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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.
28-01-2015 дата публикации

Lithium battery charging management device

Номер: CN104319841A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention provides a lithium battery charging management device which comprises a micro-control unit, a voltage controller, a charging current controller and a temperature detector. The voltage controller, the charging current controller and the temperature detector are connected with the micro-control unit. By means of the lithium battery charging management device, the charging current and the charging voltage can be adjusted dynamically in the charging process, safety in the whole charging process is guaranteed, the charging time is shortened as much as possible, the charging efficiency is improved, and the risks caused by insufficient response speed of an MCU or halt of the MCU can be avoided.

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Номер записи: 1
28-01-2015 дата публикации

Method and device for detecting residual capacity of mobile power supply

Номер: CN104316882A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention discloses a method and device for detecting the residual capacity of a mobile power supply. By means of the method and the device, the real-time electric quantity of the mobile power supply can be accurately measured. The method includes the steps of defining the signal sampling process of the number of target execution times as one set of circulation, and executing the current signal clamping process in one set of circulation, wherein the signal sampling process includes the steps of sampling the charging current of the power supply multiple times according to the preset sampling period to obtain a plurality of sampling values, obtaining the average value of the sampling values, conducting balanced filtering on the average value, and outputting the real-time electricity amount of the power supply once each time one set of circulation is completely executed.

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Номер записи: 2
04-02-2015 дата публикации

Terminal charging protecting method and device

Номер: CN104330740A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention discloses terminal charging protecting method and device. The method and device are characterized in that the charging current is detected to accurately determine the terminal is fully charged, a power supply can be timely cut off for discharging in case of full charging, so as to reach the purpose of protecting the terminal, according to that the charging current is reduced as the sourcing current capacity of the terminal under saturated charging weakens. The method comprises the following steps: sampling the discharging current at a plurality of times within the current cycle according to the preset sampling cycle to obtain a plurality of sampling values; averaging the plurality of sampling values; determining whether the average values meet the discharging stopping condition of the power supply, wherein the conditions include that the average values are less than the preset threshold, and the times that the accumulated average values at the current time are continuously ...

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Номер записи: 3
28-01-2015 дата публикации

Portable power source

Номер: CN104319842A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention discloses a portable power source. The portable power source comprises a charging input interface, a quick charging module, an intelligent control module, a detection module, a battery body, a discharging control module and a discharging output interface. The charging input interface is used for power input of the portable power source, the quick charging module is used for quickly charging the battery body, the intelligent control module is used for collecting information, detected by the detection module, of the battery body, controlling the quick charging module to charge the battery body and controlling the discharging control module to work, the detection module is used for detecting the input voltage, the input current and the temperature of the battery body, the battery body is used for storing and releasing electricity quantity, the discharging control module is used for achieving the boosting function, and the discharging output interface is used for discharging output ...

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Номер записи: 4
11-03-2015 дата публикации

PCB

Номер: CN104411085A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention discloses a PCB, and is applied to the field of a power bank. The PCB comprises four copper foil layers and three substrate layers. The four copper foil layers and the three substrate layers are arranged in an overlapping mode to form a lamination structure, wherein the four copper foil layers are respectively the first layer, the third layer, the fifth layer and the seventh layer of the lamination structure, the three substrate layers are respectively the second layer, the fourth layer and the sixth layer of the lamination structure, the thickness of the first layer and the thickness of the seventh layer are each between 68 [mu]m and 72 [mu]m, and the thickness of the third layer and the thickness of the fifth layer are each between 102 [mu]m and 108 [mu]m. The PCB provided by the invention can enable the heat dissipated by a chip to uniformly reach the whole PCB as much as possible and enables the heat of the PCB to be better dissipated without relying on an external radiator ...

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Номер записи: 5
25-03-2015 дата публикации

Delay-locked loop, voltage-controlled delay line and delay unit

Номер: CN104467819A
Автор: LUO QINGHUA, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA, DONG XIAOJUN
Принадлежит:

The embodiment of the invention discloses a delay unit, a voltage-controlled delay line and a delay-locked loop. The delay unit comprises multiple current hunger buffers connected in series. Load capacitors are connected between output of each current hunger buffer and a power voltage and between the output and the ground respectively in series. The voltage-controlled delay line is formed by cascading one or more delay units. The delay-locked loop comprises an offset generation circuit and the voltage-controlled delay line, the offset generation circuit outputs voltage control signals Vbp and Vbn controlling the voltage-controlled delay line, and the voltage-controlled delay line comprises an internal voltage-controlled delay line for phase locking and one or more parallel external voltage-controlled delay lines providing delay clocks, wherein the internal voltage-controlled delay line and the external voltage-controlled delay lines each comprise one or more cascaded delay units. The delay ...

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Номер записи: 6
04-02-2015 дата публикации

Power bank and discharging method thereof

Номер: CN104333063A
Автор: WEI YADONG, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA
Принадлежит:

The invention discloses a power bank and a discharging method thereof. The method comprises the following steps: receiving a user instruction; performing roll polling action to match to obtain charging current applied to a charging device according to the user instruction; discharging the charging device. The power bank comprises an instruction receiving module for receiving the user instruction, a roll polling module for performing the roll polling action, and a battery module for performing discharging. With the adoption of the power bank and the discharging method thereof, the problem that the power bank cannot be self-adaptively adapted to all terminal devices can be solved, one power bank can be self-adaptively adapted to all terminal devices, and as a result, the trouble caused by carrying a plurality of charging devices can be avoided.

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Номер записи: 7
04-02-2015 дата публикации

DDR3 PHY SSTL15 output drive circuit

Номер: CN104333369A
Автор: LI NAN, TIAN XUEHONG, LI SHISHENG, LI SHICHI, ZHANG HAIXIA, DONG XIAOJUN
Принадлежит:

The invention provides a DDR3 PHY SSTL15 output drive circuit which comprises at least one output module. The output modules are parallelly connected, each output module comprises a front drive circuit and a rear drive circuit, wherein the front drive circuit comprises six NOT gates, four NAND gates, two either-or circuits, n first output conversion circuits and n second output conversion circuits, and the rear drive circuit comprises n NMOS (N-channel metal oxide semiconductor) groups, n PMOS (P-channel metal oxide semiconductor) groups and two diodes. The DDR3 PHY SSTL15 output drive circuit can output DDR3 PHY SSTL15 data to be transmitted and can be respectively in a transmitting state and a receiving state, the front drive circuit outputs the data to be transmitted in the transmitting state, and the rear drive circuit outputs a high impedance state for impedance matching in the receiving state.

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Номер записи: 8