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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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Применить Всего найдено 5. Отображено 5.
13-06-2019 дата публикации

MAGNETIC INDUCTION PARTICLE DETECTION DEVICE AND CONCENTRATION DETECTION METHOD

Номер: WO2019109870A1
Автор: NIE, Yongzhong, ZHANG, Zhongping
Принадлежит:

Provided in the invention are a magnetic induction particle detection device and a concentration detection method. The detection device comprises a signal detection system, a detection pipeline, an excitation coil and a positive even number of induction coils, wherein the excitation coil is connected with a signal processing system and wound on the detection pipeline; and the induction coils are connected with the signal processing system and are sequentially and reversely wound on the excitation coil. The device can facilitate preparation and installation and can improve the detection precision. The method comprises the following steps: S1: obtaining an output signal of the signal detection system to obtain a voltage amplitude change condition; S2: detecting the metal particle concentration according to the obtained voltage amplitude change condition. By means of the method, the accuracy of calculation can be improved.

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Номер записи: 1
13-06-2019 дата публикации

DETECTION METHOD FOR CONCENTRATION OF FLUID PARTICULATE MATTER

Номер: WO2019109874A1
Автор: NIE, Yongzhong, ZHANG, Zhongping
Принадлежит:

A detection method for concentration of a fluid particulate matter. The method comprises the following steps: S1: introducing a pure fluid into a detection device, and acquiring a scattering ground noise value Uground noise output by the detection device; S2: introducing a fluid to be detected into the detection device, acquiring a scattered signal output by the detection device, and acquiring a voltage signal of a standard particulate matter; S3: performing signal sampling on the fluid in a certain time period, extracting an effective signal therein, performing threshold value analysis on a signal Ux obtained by sampling, and acquiring the number of particulate matters occurred in the time period; S4: acquiring the concentration of the particulate matters in the fluid according to the number of the particulate matters in S3. According to the method, the accuracy in calculation for the concentration of particulate matters in a fluid can be effectively improved.

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Номер записи: 2
13-06-2019 дата публикации

DEVICE AND METHOD FOR DETECTING FLUID TRANSPARENCY

Номер: WO2019109871A1
Автор: NIE, Yongzhong, ZHANG, Zhongping
Принадлежит:

A device and method for detecting fluid transparency. The detection device comprises: a detection pipe (1), which allows a beam to be incident on and emergent from a fluid therein; a laser tube (4), used for outputting the incident beam; and a photoelectric detector, used for detecting the emergent beam from the fluid, wherein the photoelectric detector comprises a scattering detector (2) and a transmission detector (3); and the detection method comprises acquiring a scattering ground noise value and a transmission ground noise value of a device, acquiring the scattering light intensity Iscattering obtained by the scattering detector (2) and the transmission light intensity Itransmission obtained by the transmission detector (3), and calculating the absorption light intensity Iabsorption of a particulate matter; acquiring the total light intensity Itotal light intensity of a laser; and obtaining a fluid transparency T. With the described detection device and detection method, the accuracy ...

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Номер записи: 3
13-06-2019 дата публикации

DETECTION SYSTEM AND METHOD FOR CONCENTRATION FLUID NONMETAL PARTICLES

Номер: WO2019109872A1
Автор: NIE, Yongzhong, ZHANG, Zhongping
Принадлежит:

A detection system and a detection method for concentration of fluid nonmetal particles. The detection system comprises a particulate matter shape detection device (1), a metal particle detection device (2), and a detection pipeline (3), the particulate matter shape detection device (1) and the metal particle detection device (2) being connected to each other and wound on the detection pipeline (3). The detection method comprises: S1, detecting concentration of fluid particulate matter; S2, detecting concentration of fluid metal particulate matter; and S3, detecting concentration of fluid nonmetal particulate matter. By means of the detection system and the detection method, the concentration of nonmetal particulate matter in fluid can be more accurately detected, and the detection accuracy is improved.

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Номер записи: 4
09-04-2021 дата публикации

A tool for LoRaWAN node near field configuration is disclosed

Номер: CN212936210U
Автор: ZHU XIAOLIN, LIN JIELONG, LI TIANWEI, ZHANG ZHONGPING, XIE TEQI, LU BAOBEI, XIE HONGQUAN, WU JUNHUA, 朱小琳, 林杰龙, 李天玮, 张中萍, 谢特奇, 陆保蓓, 谢洪泉, 吴俊华
Принадлежит: REACH TECH XIAMEN CO LTD, NANNING RUIQI ELECTRONIC TECH CO LTD, REACH TECH (XIAMEN) CO., LTD., NANNING RUIQI ELECTRONIC TECHNOLOGY CO., LTD., 锐骐（厦门）电子科技有限公司, 南宁锐骐电子科技有限公司

The invention relates to a tool for LoRaWAN node near-field configuration, and the tool comprises a communication module which is used for communicating with an upper computer; the microprocessor module is connected with the communication module; the first radio frequency chip module is connected with the microprocessor module; the second radio frequency chip module is connected with the microprocessor module; an antenna; and the antenna switch is used for switching the electrical connection between the antenna and the first radio frequency chip module and the second radio frequency chip module.

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Номер записи: 5