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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 10. Отображено 10.
16-09-2015 дата публикации

Self-powered CMOS piezoelectric vibration energy harvester

Номер: CN104917421A
Автор: SHI GE, XIA YINSHUI, YE YIDIE, QIAN LIBO, YANG YUAN, QU FENGXIA
Принадлежит:

The invention discloses a self-powered CMOS piezoelectric vibration energy harvester. The self-powered CMOS piezoelectric vibration energy harvester is characterized in that the self-powered CMOS piezoelectric vibration energy harvester includes a CMOS piezoelectric synchronous charge extraction and collection interface circuit and a follow current energy storage circuit; the CMOS piezoelectric synchronous charge extraction and collection interface circuit is encapsulated in the form of an integrated circuit form; the CMOS piezoelectric synchronous charge extraction and collection interface circuit is provided with a first detection circuit output control interface, a second detection circuit output control interface, a first piezoelectric element connection interface, a second piezoelectric element connection interface, a first capacitance detection interface, a second capacitance detection interface, an external-connection inductance interface and a grounding port; the CMOS piezoelectric ...

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Номер записи: 1
30-06-2023 дата публикации

Linear voltage regulator for enhancing power supply noise suppression

Номер: CN116360539A
Автор: QIAN LIBO, WANG LONGHAN, LI YANI, LI YONGYUAN, ZHU ZHANGMING
Принадлежит:

The invention relates to a linear voltage regulator for enhancing power supply noise suppression. The linear voltage regulator comprises a transconductance ratio tracking module, a power supply ripple amplification module and a ripple feedforward summation module which are connected in sequence, the transconductance ratio tracking module is used for tracking the transconductance ratio change of the power tube PM and dynamically adjusting and determining the feedforward ripple gain; the power supply ripple amplification module is used for amplifying the power supply ripple according to the feed-forward ripple gain and outputting a feed-forward ripple signal; and the ripple feedforward summing module is used for summing the feedforward ripple signal and the feedback loop signal by using a ripple feedforward summing device RFSM, driving a power tube PM and reducing the noise at the output end of the linear voltage regulator. According to the low-dropout linear regulator, the feedforward ripple ...

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Номер записи: 2
05-05-2023 дата публикации

Multi-loop control power supply

Номер: CN116073473A
Автор: LI YONGYUAN, ZHANG BENQUAN, GUO WEI, YUAN DONGJIE, ZHU GUANGQIAN, QIAN LIBO, ZHU ZHANGMING
Принадлежит:

The invention discloses a multi-loop control power supply. The multi-loop control power supply comprises a band-gap reference module used for providing a reference voltage and a positive temperature coefficient voltage; the LDO is used for providing a reference voltage and a reference voltage for the NTC adaptive control loop, the temperature adaptive control loop, the constant current output control loop, the fast charge protocol control loop and the constant voltage output control loop; the temperature adaptive control loop is used for generating a first difference current based on the positive temperature coefficient voltage and a second reference voltage; the NTC adaptive control loop is used for generating a second difference current based on a second reference voltage and a negative temperature coefficient voltage; the constant current output control loop is used for generating a third difference current based on the first reference voltage and the power supply output current; and ...

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Номер записи: 3
18-11-2015 дата публикации

Self -power CMOS piezoelectricity vibration energy collector

Номер: CN0204794761U
Автор: SHI GE, XIA YINSHUI, YE YIDIE, QIAN LIBO, YANG YUAN, QU FENGXIA
Принадлежит:

The utility model discloses a self -power CMOS piezoelectricity vibration energy collector, characteristics are drawed including the synchronous electric charge of CMOS piezoelectricity to gather interface circuit and afterflow tank, the synchronous electric charge of CMOS piezoelectricity draws the interface circuit adoption integrated circuit form of gathering encapsulation, the synchronous electric charge of CMOS piezoelectricity extracts to gather and is provided with detection circuitry output control interface on the interface circuit, the 2nd detection circuitry exports control interface, a piezoelectric element connects the interface, the 2nd piezoelectric element connects the interface, first electric capacity detection interface, second electric capacity detects the interface, external inductance interface and ground connection port, the synchronous electric charge of CMOS piezoelectricity draws collection interface circuit and includes forward extreme value detection module, ...

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Номер записи: 4
21-10-2009 дата публикации

Analog sampling switch and analog-to-digital converter

Номер: CN0101562453A
Автор: ZHU ZHANGMING, QIAN LIBO, YANG YINTANG, LI YANI, ZHANGMING ZHU, LIBO QIAN, YINTANG YANG, YANI LI
Принадлежит:

The invention discloses an analog sampling switch and an analog-to-digital converter using the same. The analog sampling switch comprises a sampling switch circuit which comprises a sampling switch tube, and is used for controlling conduction state of the sampling switch tube; and a comparator circuit for comparing input signal level and output signal level of the sampling switch tube, and taking a higher level terminal as a source electrode of the sampling switch tube. The analog sampling switch and the analog-to-digital converter can track the source electrode of the switch tube, eliminate nonlinear relation between the switch conduction resistance and input signals, enhance linearity of the whole sampling switch, and meet high-speed and high-precision requirements of a sampling holding circuit.

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Номер записи: 5
11-07-2023 дата публикации

Nuclear power plant safety system configuration system

Номер: CN116417170A
Автор: CUI HUAIMING, LU YILI, HUANG DAISHUN, ZHANG YU, MA HAIFU, CHEN WEI, QIAN LIBO, DING SHUHUA, SHIN A-OU, LI ZHONGCHUN, DANG GAOJIAN, HUANG TAO, WU ZENGHUI, DU PENG
Принадлежит:

The invention belongs to the technical field of nuclear power plant safety design, and particularly relates to a nuclear power plant safety system configuration system. The system comprises a passive emergency reactor core cooling system for coping with design basis accidents, a secondary side passive residual heat removal system and a passive containment cooling system. A large number of passive systems are configured, passive characteristics such as natural circulation and gravity are fully utilized, the safety and reliability of the nuclear power plant are greatly improved, and measures such as active equipment, an external power source, a safety support system and a safety-level emergency diesel generator set are canceled through a passive safety system configuration scheme. The design, construction, operation and maintenance of the system are simplified, and the economical efficiency of the unit is further improved while the safety is ensured.

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Номер записи: 6
12-08-2015 дата публикации

AND/XOR gate circuit based on transistor level

Номер: CN104836570A
Автор: XIA YINSHUI, YANG YUAN, LIANG HAO, QIAN LIBO, LI DAOTONG
Принадлежит:

The invention discloses an AND/XOR gate circuit based on a transistor level. The AND/XOR gate circuit is characterized by comprising a first transmission gate logical module, a second transmission gate logical module and a complementary CMOS (Complementary Metal-Oxide-Semiconductor Transistor) logical module. The AND/XOR gate circuit has the advantages that in the complementary CMOS logical module, a first PMOS (P-channel Metal Oxide Semiconductor) transistor and a first NMOS (N-channel Metal Oxide Semiconductor) transistor construct a first phase inverter; a second PMOS transistor and a second NMOS transistor construct a second phase inverter; a third PMOS transistor and a third NMOS transistor construct a third phase inverter; an eighth PMOS transistor and an eighth NMOS transistor construct a fourth phase inverter. Through the first transmission gate logical module and the second transmission gate logical module, short-circuit power consumption is lowered and the sub-threshold power ...

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Номер записи: 7
18-05-2011 дата публикации

Analog sampling switch and analog-to-digital converter

Номер: CN0101562453B
Автор: ZHU ZHANGMING, QIAN LIBO, YANG YINTANG, LI YANI, ZHANGMING ZHU, LIBO QIAN, YINTANG YANG, YANI LI
Принадлежит:

The invention discloses an analog sampling switch and an analog-to-digital converter using the same. The analog sampling switch comprises a sampling switch circuit which comprises a sampling switch tube, and is used for controlling conduction state of the sampling switch tube; and a comparator circuit for comparing input signal level and output signal level of the sampling switch tube, and takinga higher level terminal as a source electrode of the sampling switch tube. The analog sampling switch and the analog-to-digital converter can track the source electrode of the switch tube, eliminate nonlinear relation between the switch conduction resistance and input signals, enhance linearity of the whole sampling switch, and meet high-speed and high-precision requirements of a sampling holdingcircuit.

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Номер записи: 8
22-04-2015 дата публикации

Method for preventing steam generator from spilling over under heat-transfer tube rupture accident condition

Номер: CN104538068A
Автор: DING SHUHUA, GAO YINGXIAN, DANG GAOJIAN, QIAN LIBO, WU DAN, LI ZHONGCHUN, ZHANG XIAOHUA, WU QING, HUANG DAISHUN, ZHANG YU, LENG GUIJUN, LIU CHANGWEN
Принадлежит:

The invention relates to a method for preventing a steam generator from spilling over under a heat-transfer tube rupture accident condition, which comprises the following steps: step one, triggering emergency shut-down after a steam generator heat-transfer tube rupture accident in a nuclear power station; step two, determining whether a heat-transfer tube rupture accident occurs, determining the damaged steam generator, and isolating steam pipelines of a loop where the damaged steam generator is located; step three, manually adjusting the water level of the damaged steam generator to a high water level of the steam generator by using a discharging system on a sewage discharging pipeline of the steam generator by an operator, and controlling an atmosphere discharging system of a loop without any heat-transfer tube rupture accident to perform temperature reduction and pressure reduction of a loop, so as to balance the pressure at a primary side and a secondary side of the damaged steam generator ...

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Номер записи: 9
05-05-2023 дата публикации

Temperature sensor circuit with over-temperature protection function and driving method thereof

Номер: CN116073327A
Автор: LI YONGYUAN, CHEN JUNYING, GUO WEI, ZHU GUANGQIAN, QIAN LIBO, ZHU ZHANGMING
Принадлежит:

The invention discloses a temperature sensor circuit with an over-temperature protection function and a driving method thereof, and relates to the technical field of microelectronics. A threshold temperature selection logic module; the threshold temperature selection module is electrically connected with the reference level generation module and the threshold temperature selection logic module, and the threshold temperature selection module responds to different control logic signals to transmit different reference voltages; the PTAT voltage reference source module is used for outputting reference voltage; the over-temperature alarm output module comprises a comparator, the in-phase end of the comparator is electrically connected with the PTAT voltage reference source module, and the comparator is used for comparing the reference voltage with the reference voltage and outputting an over-temperature alarm signal to an over-temperature alarm end according to a comparison result; and the real-time ...

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Номер записи: 10