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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 15. Отображено 15.
02-05-2023 дата публикации

Method for installing thermocouple for measuring temperature of end face of bearing in aero-engine

Номер: CN116046194A
Автор: XIE FENGKUN, ZHAO YINGSONG, ZHANG YUPENG, ZHAO BIN, SONG ZHENYU, ZHAO HAI, PAN XINZHENG, ZHANG YUXIN, ZHANG ZEPENG, GAO JIAQI, ZHAO FUJUN, ZUO XIANGXIN
Принадлежит:

The invention belongs to the technical field of aero-engine inner bearing end face temperature measurement, and particularly relates to an aero-engine inner bearing end face temperature measurement thermocouple installation method. A test hole is machined in a bearing end face, and a temperature sensing head is manufactured on the periphery of a hot junction of a T-type fluorine-coated thermocouple through high-temperature soldering tin by means of a mold; and a processed hollow pipe is designed to install the temperature sensing head in the test hole, so that a lead of the T-shaped fluorine-coated thermocouple is fixed in a wall-attached manner by a spot welding process, installation is completed, and the temperature of the end surface of the bearing in the aero-engine is measured.

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Номер записи: 1
23-06-2023 дата публикации

Cavity pressure test structure for air system of aero-engine

Номер: CN116296404A
Автор: ZHANG ZHIXUE, PAN XINZHENG, GAO JIAQI, XIE FENGKUN, ZHAO BIN, ZHANG YUXIN, YE GUIMING, ZHANG YU, ZHANG ZEPENG
Принадлежит:

The invention belongs to the technical field of aero-engine air system cavity pressure test design, and particularly relates to an aero-engine air system cavity pressure test structure comprising an air system side wall provided with a cavity pressure measuring hole; the air inlet end of the air pipe is located on the inner side of the side wall of the air system and attached to the inner side of the side wall of the air system, the air pipe is partially semicircular and bent, and the end is tilted. The air outlet end of the air pipe extends out of the cavity pressure measuring hole; the pressing pieces are arranged on the inner side of the side wall of the air system in a spot welding mode, the air inlet end of the air pipe is tightly pressed on the inner side of the side wall of the air system, and one pressing piece is pressed on the top of the semicircular bent portion of the air inlet end of the air pipe.

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Номер записи: 2
30-05-2023 дата публикации

Temperature data analysis method for micro temperature measurement crystal

Номер: CN116183053A
Автор: ZHANG ZHIXUE, WANG WEI, ZHANG YUXIN, PAN XINZHENG, SONG ZHENYU, XUE XIUSHENG, MA NING, ZHAO BIN, GAO JIAQI, ZHANG ZEPENG, ZUO XIANGXIN
Принадлежит:

The invention belongs to the technical field of temperature measurement crystal temperature data measurement, and particularly relates to a micro temperature measurement crystal temperature data analysis method, which designs a measurement tool and a temperature measurement crystal clamp, performs height measurement positioning and diffraction plane adjustment in the analysis process, and further performs diffraction peak measurement and temperature analysis. And the temperature of the temperature measuring crystal can be efficiently and accurately obtained.

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Номер записи: 3
04-04-2023 дата публикации

Spraying method of temperature indicating paint on surface of double-wall turbine blade of aero-engine

Номер: CN115889125A
Автор: XIE FENGKUN, YE GUIMING, ZHANG YUPENG, ZHAO BIN, ZHANG YUXIN, SONG ZHENYU, ZHANG ZHIXUE, ZHANG LEI, PAN XINZHENG, GAO JIAQI, LI MAOYUAN, ZHANG YU
Принадлежит:

The invention belongs to the technical field of aero-engine double-wall turbine blade surface temperature indicating coating spraying design, and particularly relates to an aero-engine double-wall turbine blade surface temperature indicating coating spraying method. The temperature indicating coating is introduced into the turbine blade through the upper edge air inlet pipe and the lower edge air inlet pipe and is sprayed out through the air film holes in the surface of the turbine blade, the flowing condition of cooling air on the turbine blade is simulated, the air flow sprayed out of the air film holes in the temperature indicating coating spraying process can effectively prevent the temperature indicating coating from blocking the air film holes, it is guaranteed that the temperature indicating coating is evenly sprayed on the surface of the turbine blade, and the spraying efficiency is improved. And the temperature distribution of the surface of the turbine blade is measured and obtained ...

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Номер записи: 4
21-07-2023 дата публикации

Real-time acquisition device, design method and cable online monitoring method

Номер: CN116466199A
Автор: LIU LELE, JI BIN, ZHU XIUSHAN, WANG PENG, PAN XINZHENG, WANG HE, CHEN HONGDA, LI HUI, ZHU LEI, XIANG XIAOQIANG, SHI JINXIN, QI MENGYU, LIU FENGYI, WANG YUNPENG
Принадлежит:

The invention belongs to the technical field of distribution cable state detection, and particularly discloses a real-time acquisition device, a design method and a cable online monitoring method. A real-time acquisition device is designed, an architecture of a 24-bit analog-to-digital conversion module + an FPGA + a DSP is selected, a method of replacing time continuity by sacrifice space is used on software, and the functions of continuous data acquisition and reading are realized by combining the two points; an insulation resistance value is measured in a micro-injection voltage mode to monitor the insulation resistance, the resistance can directly reflect the aging degree of an insulation layer of the cable, the precision, the sampling rate, the stability and the cost are greatly improved, and measurement errors caused by a distribution cable monitoring body and the environment are reduced.

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Номер записи: 5
23-06-2023 дата публикации

Engine accessory casing transmission shaft end bearing outer ring temperature measurement method

Номер: CN116291864A
Автор: ZHAO YINGSONG, WANG WEI, ZHAO BIN, DU SHAOHUI, XIE FENGKUN, ZHANG ZEPENG, ZHANG LEI, PAN XINZHENG, GAO JIAQI, ZHANG YU, ZUO XIANGXIN, ZHANG YAN, ZHAO FUJUN, LIU JIAN
Принадлежит:

The invention belongs to the technical field of engine accessory casing transmission shaft end bearing outer ring temperature measurement, and particularly relates to an engine accessory casing transmission shaft end bearing outer ring temperature measurement method, which is characterized in that a temperature test hole is formed in the outer side of a bearing outer ring, a threaded hole is formed in an accessory casing, and a stainless steel pipe and a stud are designed; the sheathed thermocouple is reliably fixed on the outer side of the bearing outer ring for temperature measurement, and reliable sealing can be carried out.

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Номер записи: 6
21-04-2023 дата публикации

Engine turbine rear thrust increasing component

Номер: CN115992776A
Автор: CHENG RONGHUI, LIU BAO, SUN XIAOFENG, CAO MAOGUO, XU XINGPING, YOU QINGJIANG, MA HONGYU, ZHU JIAN, LIU WEICHEN, JIANG YU, BAO ZHANYANG, CHEN DI, ZHANG ZHIXUE, LI JIANGNING, ZHOU CHUNYANG, GUO HONGTAO, ZHANG XIAOYU, MA YU, PAN XINZHENG, YAN JINSHENG
Принадлежит:

The invention belongs to the technical field of design of non-variable-capacity engine components, and particularly relates to an engine turbine rear thrust increasing component which comprises an annular outer wall, an inner wall and an outer wall. The confluence ring is arranged in the annular outer wall, and an outer culvert is formed between the confluence ring and the annular outer wall; the inner cone is arranged in the confluence ring, and an inner connotation is formed between the inner cone and the confluence ring; the annular heat insulation screen is arranged in the annular outer wall, is located at the outlet part of the annular outer wall and is corrugated, and a plurality of rows of air film holes are formed in each windward side of the corrugation; the outer side air entraining cylinders are arranged between the annular outer wall and the annular heat insulation screen, and the rear ends of the outer side air entraining cylinders are connected to crest positions of the corrugations ...

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Номер записи: 7
25-07-2023 дата публикации

Distribution cable aging positioning method, device, equipment and medium

Номер: CN116482484A
Автор: LIU LELE, JI BIN, ZHU XIUSHAN, PAN XINZHENG, WANG HE, CHEN HONGDA, LI HUI, ZHU LEI, SHI JINXIN, QI MENGYU, XIANG XIAOQIANG, WANG WEINAN, LIU FENGYI, WANG YUNPENG
Принадлежит:

The invention belongs to the technical field of cable operation and maintenance, and particularly discloses a distribution cable aging positioning method, device and equipment and a medium, and the method comprises the steps: dividing a to-be-detected cable, and building a local aging position set; establishing a local aging positioning model according to the local aging position set; calculating an estimation error of each local aging position combination according to a local aging positioning model; outputting a local aging degree estimation value, a local aging position starting interval and a local aging position ending interval according to the estimation error; and performing error analysis to output a final local aging degree estimation value, a final local aging position starting interval and a final local aging position ending interval. According to the method, the to-be-detected cable is divided into a plurality of sections, then the set and aging positioning model is established ...

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Номер записи: 8
30-06-2023 дата публикации

Adaptive weight two-stage near-electricity alarm system and method considering communication delay

Номер: CN116363813A
Автор: XIANG XIAOQIANG, JI BIN, ZHU XIUSHAN, WANG PENG, PAN XINZHENG, WANG HE, CHEN HONGDA, LI HUI, ZHU LEI, WANG WEINAN, LIANG JICHAO, YANG ZE, MA JUN, WU ZHIXUE, DENG YASHEN
Принадлежит:

The invention discloses an adaptive weight two-stage electricity approaching alarm method considering communication delay. The method comprises the following steps: acquiring in-situ electricity approaching data, remote electricity approaching data and a communication delay coefficient; calculating to obtain an in-situ action threshold according to the in-situ near electricity data; calibrating remote near electricity data through the communication delay coefficient to obtain the remote near electricity data after time calibration and a time calibration result; calculating a remote action threshold according to the remote near electricity data after time correction; according to the local action threshold value, the remote action threshold value and the timing result, a weighted threshold value is obtained through calculation by introducing an entropy method of a variable weight theory; and judging whether the weighted threshold value is out of limit, and if the weighted threshold value ...

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Номер записи: 9
09-06-2023 дата публикации

Method for measuring wall temperature of thin-walled part at nozzle of aero-engine

Номер: CN116242500A
Автор: YE GUIMING, XIE FENGKUN, ZHAO BIN, GAO JIAQI, ZHAO HAI, ZHANG ZEPENG, PAN XINZHENG, LI JI
Принадлежит:

The invention belongs to the technical field of aero-engine nozzle thin-wall part wall temperature measurement, and particularly relates to an aero-engine nozzle thin-wall part wall temperature measurement method comprising the steps that a temperature measurement backing ring is machined, and the diameter of a center hole in the temperature measurement backing ring is slightly larger than the outer diameter of a thermocouple; a temperature measuring hole is machined in the thin-wall part, and the diameter of the temperature measuring hole is equal to that of the center hole; the temperature measuring backing ring is welded to the outer side of the thin-wall part, and the center hole is aligned with the temperature measuring hole; the head of the thermocouple penetrates through the central hole from the outer side and extends into the temperature measuring hole; the head of the thermocouple is welded in the temperature measuring hole from the inner side of the thin-wall part, welding flux ...

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Номер записи: 10
06-01-2016 дата публикации

Stable state tube manufacture equipment

Номер: CN0204936120U
Автор: PAN XINZHENG, YU LIANG
Принадлежит:

The utility model provides a stable state tube manufacture equipment has such characteristic, include: the inner tube extruder has: the mouth is extruded to charge door and inner tube, vacuum forming machine, one end are extruded the mouth with the inner tube and are connected, a cooling unit, one end is connected with the other end of vacuum forming machine, the sandwich layer tractor, one end is connected with a cooling unit's the other end, the aluminium suitcase covers the machine, and one end is connected with the other end of sandwich layer tractor, the outer extruder of gluing has: the mouth is extruded to outer gluey feed inlet and outer glue, and the outer gluey mouth of extruding is connected with the other end that the aluminium suitcase covers the machine, outer extruder has: the mouth is extruded to outer feed inlet and skin, the 2nd cooling unit, one end is extruded the mouth with the skin and is connected, and stable state pipe tractor, one end is connected with the 2nd cooling ...

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Номер записи: 11
28-04-2023 дата публикации

Afterburner of aero-engine

Номер: CN116025926A
Автор: CHENG RONGHUI, LIU BAO, LIU SHENG, SUN XIAOFENG, XU XINGPING, CAO MAOGUO, LI LEI, MA HONGYU, CONG PEIHONG, ZHANG ZHIXUE, YOU QINGJIANG, BAO ZHANYANG, CHEN DI, JIANG YU, LIU WEICHEN, ZHOU CHUNYANG, GUO HONGTAO, ZHANG XIAOYU, PAN XINZHENG, YAN JINSHENG
Принадлежит:

The invention belongs to the technical field of general combustion engines and aero-engines, and particularly relates to an afterburner of an aero-engine. The confluence ring is arranged in the outer casing, an outer culvert is formed between the confluence ring and the outer casing, and a plurality of cooling air inlets distributed in the circumferential direction are formed in the side wall of the tail edge of the confluence ring; the inner cone is arranged in the confluence ring, and an inner connotation is formed between the inner cone and the confluence ring; the radial stabilizer outer walls are connected into the confluence ring and point to the inner cone, the cross sections of the radial stabilizer outer walls are V-shaped, openings of the radial stabilizer outer walls face backwards, and tooth grooves distributed in a staggered mode are formed in the tail edges of the two side walls; the radial stabilizer inner walls are connected into the confluence ring and correspondingly connected ...

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Номер записи: 12
02-05-2023 дата публикации

Temperature measuring method for bearing outer ring at end part of transmission shaft of engine accessory casing

Номер: CN116046189A
Автор: ZHAO YINGSONG, ZHANG ZHIXUE, ZHAO BIN, ZHAO HAI, XIE FENGKUN, ZHANG ZEPENG, ZHANG LEI, PAN XINZHENG, GAO JIAQI, ZHANG YU, ZUO XIANGXIN, ZHANG YAN, ZHAO FUJUN, LIU JIAN
Принадлежит:

The invention belongs to the technical field of engine accessory casing transmission shaft end bearing outer ring temperature measurement, and particularly relates to a temperature measurement method for an engine accessory casing transmission shaft end bearing outer ring. The temperature of the outer side of the bearing outer ring is measured, reliable sealing can be carried out, and defects in the prior art are overcome.

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Номер записи: 13
02-06-2023 дата публикации

Method for measuring temperature of outer ring of bearing at end part of transmission shaft of accessory casing of aero-engine

Номер: CN116202637A
Автор: ZHAO YINGSONG, YE GUIMING, ZHAO BIN, ZHAO HAI, XIE FENGKUN, ZHANG ZEPENG, ZHANG LEI, PAN XINZHENG, GAO JIAQI, ZHANG YU, ZUO XIANGXIN, ZHANG YAN, ZHAO FUJUN, LIU JIAN
Принадлежит:

The invention belongs to the technical field of aero-engine accessory casing transmission shaft end bearing outer ring temperature measurement, and particularly relates to an aero-engine accessory casing transmission shaft end bearing outer ring temperature measurement method. And the stud, the first stainless steel pipe and the second stainless steel pipe are designed, the armored hot couple is reliably fixed on the outer side of the bearing outer ring for temperature measurement, reliable sealing can be carried out, and the defects of an existing wall surface temperature installation method are overcome.

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Номер записи: 14
25-04-2023 дата публикации

Aero-engine afterburner heat shield wall surface temperature measuring method

Номер: CN116007769A
Автор: ZHAO BIN, PAN XINZHENG, ZHAO YINGSONG, YE GUIMING, XIE FENGKUN, ZHANG ZHIXUE, ZHANG YUPENG, GAO JIAQI, ZHANG YU, ZUO XIANGXIN, ZHANG ZEPENG, ZHANG YUXIN, ZHANG LEI
Принадлежит:

The invention belongs to the technical field of aero-engine afterburner heat shield wall surface temperature measurement, and particularly relates to an aero-engine afterburner heat shield wall surface temperature measurement method, which comprises the steps of removing dirt on a heat shield wall surface; placing a thermocouple in a to-be-measured temperature area on the wall surface of the heat shield; high-temperature glue is coated on the portion, needing to be fixed, of the thermocouple on the heat screen, the thickness of the high-temperature glue is 1/2 of the diameter of the thermocouple, and normal-temperature curing is carried out; the high-temperature glue cured at normal temperature is covered with silicon fiber cloth, and the silicon fiber cloth covers the part, needing to be fixed, of the thermocouple; coating high-temperature glue on the silicon fiber cloth, covering the silicon fiber cloth and the part, needing to be fixed, of the thermocouple, and carrying out high-temperature ...

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Номер записи: 15