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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 27. Отображено 27.
11-07-2012 дата публикации

Phase discriminator

Номер: CN0102130682B
Автор: YE SHULIANG, HOU DEXIN, WANG XIAONA, CHEN CAI, YAN JUNFANG, SHULIANG YE, DEXIN HOU, XIAONA WANG, CAI CHEN, JUNFANG YAN
Принадлежит:

The invention discloses a phase discriminator. A traditional phase discriminator is lack of effective wave shaping and has intensified measurement errors due to edge jitter. The phase discriminator provided by the invention comprises a comparator, a digital phase discriminator, a filter and a differential amplifier, wherein the comparator converts two paths of sinusoidal signals into two paths ofsquare waves corresponding to the two paths of sinusoidal signals; the digital phase discriminator converts phase difference of the two paths of square waves into pulse width difference between two paths of pulses with different pulse widths; the filter respectively converts the two paths of pulses into direct current level signals corresponding to the two paths of pulses, and voltage signals obtained after the two paths of level signals are processed by the differential amplifier are in a linear relation with the phase difference; and the voltage output by the differential amplifier is measured ...

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Номер записи: 1
26-08-2009 дата публикации

Inner defect detector for annular workpiece

Номер: CN0101514976A
Автор: YE SHULIANG, YANG SUIJUN, HOU DEXIN, SHULIANG YE, SUIJUN YANG, DEXIN HOU
Принадлежит:

The invention discloses an inner defect detector for the annular workpieces, comprising a feeding unit, a host unit, a detecting unit, a discharging unit, a collecting unit and a processing circuit, wherein the feeding unit is fixed on a first door-shaped frame of the host unit, the detecting unit is mounted under the panel of the host unit, the discharging unit and the collecting unit are fixed a second door-shaped frame of the host unit, the processing circuit is mounted on the base. The detector has high automation degree of detection, namely, the detector can automatically discharge, detect, classify and collect the annular workpieces, therefore improving the detecting efficiency and the safety; the detector has wide application scope, namely the detector can detect the inner secret defects for most of complex annular workpieces; the automation streamline detector is adopted, the detecting speed is rapid and the continuous operation is performed; the detecting accuracy is high, the ...

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Номер записи: 2
11-07-2012 дата публикации

Nano static locking positioning method based on heterodyne laser interferometer

Номер: CN0101968658B
Автор: YE SHULIANG, HOU DEXIN, LI DONGSHENG, YANG SUIJUN, QIU JIAN, YAN JUNFANG, CHEN CAI, SHULIANG YE, DEXIN HOU, DONGSHENG LI, SUIJUN YANG, JIAN QIU, JUNFANG YAN, CAI CHEN
Принадлежит:

The invention relates to a nano static locking positioning method based on a heterodyne laser interferometer. The traditional positioning method has low accuracy. In the invention, a double-frequency laser outputs orthogonal line polarized light with the double-frequency difference of 10-30 MHZ and sends to an optical lens group to form a heterodyne double-frequency laser interferometer; the heterodyne double-frequency laser interferometer as a micrometric displacement monitoring unit monitors the displacement of the deviation locking position of a micro displacement worktable in real time and also outputs measurement light, the double-frequency laser outputs reference light, the measurement light and the reference light are subjected to photoelectric conversion and then enter a phase discrimination circuit, and the phase discrimination circuit discriminates phrases and then outputs an analog voltage as a control voltage driving the micro displacement worktable to move, wherein the analog ...

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Номер записи: 3
22-09-2010 дата публикации

Unloading device of ring-shaped workpiece

Номер: CN0101837891A
Автор: DEXIN HOU, SUIJUN YANG, SHULIANG YE, HOU DEXIN, YANG SUIJUN, YE SHULIANG
Принадлежит:

The invention discloses an unloading device of a ring-shaped workpiece, which is characterized in that a feeding frame is horizontally arranged on the top surface of the long edge of an L-shaped base; the front part of the feeding frame is provided with two equant grooves; the top surface of the short edge of the L-shaped base is provided with a groove; an unloading collecting frame is installed on the side surface of the short edge of the L-shaped base; a guide groove above the unloading collecting frame is higher than the upper side surface of the short edge of the L-shaped base; a motor mounting plate is vertically arranged on the top surface of the short edge of the L-shaped base; the side surface of the motor mounting plate is horizontally provided with a motor; a transmission shaft of the motor is provided with toothed poking wheels every two pieces of which form one group; poking teeth of the toothed poking wheels are respectively positioned in the two equant grooves at the front ...

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Номер записи: 4
09-02-2011 дата публикации

Nano static locking positioning method based on heterodyne laser interferometer

Номер: CN0101968658A
Автор: SHULIANG YE, DEXIN HOU, DONGSHENG LI, SUIJUN YANG, JIAN QIU, JUNFANG YAN, CAI CHEN, YE SHULIANG, HOU DEXIN, LI DONGSHENG, YANG SUIJUN, QIU JIAN, YAN JUNFANG, CHEN CAI
Принадлежит:

The invention relates to a nano static locking positioning method based on a heterodyne laser interferometer. The traditional positioning method has low accuracy. In the invention, a double-frequency laser outputs orthogonal line polarized light with the double-frequency difference of 10-30 MHZ and sends to an optical lens group to form a heterodyne double-frequency laser interferometer; the heterodyne double-frequency laser interferometer as a micrometric displacement monitoring unit monitors the displacement of the deviation locking position of a micro displacement worktable in real time and also outputs measurement light, the double-frequency laser outputs reference light, the measurement light and the reference light are subjected to photoelectric conversion and then enter a phase discrimination circuit, and the phase discrimination circuit discriminates phrases and then outputs an analog voltage as a control voltage driving the micro displacement worktable to move, wherein the analog ...

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Номер записи: 5
08-09-2010 дата публикации

Leakage detector of lighter

Номер: CN0101539471B
Автор: HOU DEXIN, YE SHULIANG, YANG SUIJUN, DEXIN HOU, SHULIANG YE, SUIJUN YANG
Принадлежит:

The invention discloses a leakage detector of a lighter, comprising feeding units, a negative pressure generating unit, an automatic detecting unit, an automatic identifying unit and a processing circuit; the two sides of a rotating disc are respectively provided with the feeding unit; one side of the upper part of the rotating disc, close to a first upright column, is provided with the negative pressure generating unit; the automatic detecting unit is arranged at the left side of a second cross beam above the negative pressure generating unit; the right side of the second cross beam is provided with the automatic identifying unit; and the processing circuit is arranged below the rotating disc. The leakage detector of the lighter has high automation degree of detection, realizes automaticdetection and automatic identification to the leakage of the lighter, improves the efficiency and safety of detection, has high detection precision and wide application range, realizes detection to lighters ...

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Номер записи: 6
08-12-2010 дата публикации

Test instrument for ignition distance of atomizing aerosol

Номер: CN0101464449B
Автор: LIN ZHENXING, YE SHULIANG, MA MING, YANG WENCHAO, YANG SUIJUN, HOU DEXIN, CHEN DANCHAO, ZHENXING LIN, SHULIANG YE, MING MA, WENCHAO YANG, SUIJUN YANG, DEXIN HOU, DANCHAO CHEN
Принадлежит:

The invention discloses an ignition distance tester of a spraying aerosol, which comprises an automatic gas tank dumping gear, an automatic aerosol spraying mechanism, a gas tank locating clamping mechanism, a gas tank height adjustment mechanism, a straight-line lead rail motion mechanism, an ignition source mechanism, a flaming detecting element and a treatment circuit. A portal frame is installed on one side of a platform; the automatic gas tank dumping gear is arranged on the portal frame; a gas tank fixing saddle piece is connected with the automatic gas tank dumping gear; one side of the gas tank fixing saddle piece is fixed on the automatic gas tank dumping gear, and the automatic aerosol spraying mechanism, the gas tank locating clamping mechanism and the gas tank height adjustment mechanism are installed on the other side thereof from top to bottom; the straight-line lead rail motion mechanism is arranged on the other side of the platform; the ignition source mechanism is installed ...

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Номер записи: 7
04-07-2012 дата публикации

Test instrument for gas emission upon water contact

Номер: CN0102141496B
Автор: CHEN DANCHAO, YE SHULIANG, CAO GUOZHOU, YANG SUIJUN, MA MING, HOU DEXIN, YANG WENCHAO, XU HAIFENG, DANCHAO CHEN, SHULIANG YE, GUOZHOU CAO, SUIJUN YANG, MING MA, DEXIN HOU, WENCHAO YANG, HAIFENG XU
Принадлежит:

The invention discloses a test instrument for gas emission upon water contact. The test instrument in the prior art has low degree of automation and inferior safety. The test instrument of the invention comprises a hazardous characteristic type determination device, a gas generation module, an automatic water injection module, an automatic gas collection module, a human-computer interaction module, a system control module, an automatic nitrogen filling and pressure relief module and a cabinet. An electric control box is arranged at one side of the cabinet, the human-computer interaction module is installed on the surface of the electric control box, and the electric control box is internally equipped with a system control module. A detection room is arranged at the upper part of the otherside of the cabinet and is internally equipped with the gas generation module, the automatic water injection module, the automatic gas collection module and the automatic nitrogen filling and pressure relief ...

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Номер записи: 8
05-05-2010 дата публикации

Audio detection method of defect type of workpiece adopting vibrating-mode frequency combination

Номер: CN0101701938A
Автор: FU LIN, HOU DEXIN, YANG SUIJUN, YE SHULIANG, LIN FU, DEXIN HOU, SUIJUN YANG, SHULIANG YE
Принадлежит:

The invention relates to an audio detection method of the defect type of a workpiece adopting vibrating-mode frequency combination. The existing audio detecting technique has low efficiency and low accuracy on detecting the defects of complex workpieces. The method of the invention has the following steps: firstly, carrying out audio detection on the workpiece to obtain the optimal sound clip; secondly, extracting characteristic parameters from the optimal sound clip; thirdly, establishing the corresponding relationship between a vibrating-mode frequency combined matrix and the defect type by applying mode identification; and finally, utilizing the completed corresponding relationship between the vibrating-mode frequency combined matrix and the defect type to detect the defect of the workpiece. The method adopts a vibrating-mode frequency combinational vector formed by the difference between a first-order or multi-order vibrating-mode frequency and the vibrating-mode frequency in the frequency ...

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Номер записи: 9
12-08-2009 дата публикации

Atomizing aerosol closed spacing igniting tester

Номер: CN0101504401A
Автор: CHEN DANCHAO, LIN ZHENXING, YE SHULIANG, YANG SUIJUN, HOU DEXIN, MA MING, YANG WENCHAO, WANG JINGJING, DANCHAO CHEN, ZHENXING LIN, SHULIANG YE, SUIJUN YANG, DEXIN HOU, MING MA, WENCHAO YANG, JINGJING WANG
Принадлежит:

The invention discloses a spray aerosol enclosed space ignition tester, which comprises a gas tank automatic turning mechanism, an aerosol automatic spraying mechanism, a gas tank positioning clipping mechanism, a gas tank height adjusting mechanism, an enclosed structure, an ignition source mechanism, a combustion detecting unit and a processing circuit; one side of a platform is provided with a door-shaped frame, of which the upper part is provided with the gas tank automatic turning mechanism; one side of a gas tank fixing platform is fixed with the gas tank automatic turning mechanism, while the other side is provided with the aerosol automatic spraying mechanism, the gas tank positioning clipping mechanism and the gas tank height adjusting mechanism from top to bottom in sequence; the other side of the platform is provided with a cylindrical experiment container, in which the top part is provided with the combustion detecting unit and the bottom part is provided with the ignition source ...

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Номер записи: 10
20-07-2011 дата публикации

Phase discriminator

Номер: CN0102130682A
Автор: SHULIANG YE, DEXIN HOU, XIAONA WANG, CAI CHEN, JUNFANG YAN, YE SHULIANG, HOU DEXIN, WANG XIAONA, CHEN CAI, YAN JUNFANG
Принадлежит:

The invention discloses a phase discriminator. A traditional phase discriminator is lack of effective wave shaping and has intensified measurement errors due to edge jitter. The phase discriminator provided by the invention comprises a comparator, a digital phase discriminator, a filter and a differential amplifier, wherein the comparator converts two paths of sinusoidal signals into two paths of square waves corresponding to the two paths of sinusoidal signals; the digital phase discriminator converts phase difference of the two paths of square waves into pulse width difference between two paths of pulses with different pulse widths; the filter respectively converts the two paths of pulses into direct current level signals corresponding to the two paths of pulses, and voltage signals obtained after the two paths of level signals are processed by the differential amplifier are in a linear relation with the phase difference; and the voltage output by the differential amplifier is measured ...

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Номер записи: 11
11-08-2010 дата публикации

Pneumatic holding device of lighter

Номер: CN0101799173A
Автор: DEXIN HOU, SUIJUN YANG, SHULIANG YE, HOU DEXIN, YANG SUIJUN, YE SHULIANG
Принадлежит:

The invention discloses a pneumatic holding device of a lighter, comprising a door-shaped frame, a pneumatic mechanism, a positioning clamping plate mechanism and a holding clamping plate mechanism, wherein the positioning clamping plate mechanism and the holding clamping plate mechanism are respectively arranged at the left side and the right side of a substrate at the upper end of the door-shaped frame; a lighter material box is arranged on the substrate at the upper end of the door-shaped frame between the positioning clamping plate mechanism and the holding plate clamping mechanism; and the pneumatic mechanism is arranged below the substrate of the door-shaped frame. In the invention, the pneumatic mechanism is adopted and has simple structure and convenient use, and a working medium is inexhaustible air having no pollution, low cost and simple exhaust-gas disposal. Compared with a hydraulic mode, the pneumatic mode can be used at high-temperature occasions. In the positioning clamping ...

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Номер записи: 12
03-08-2011 дата публикации

Method for rapidly detecting concentration of microorganism particles in biological safety cabinet

Номер: CN0102140492A
Автор: LIANGYONG HU, SHULIANG YE, LUNBIN ZHOU, SUIJUN YANG, XIANLI WEI, DEXIN HOU, HU LIANGYONG, YE SHULIANG, ZHOU LUNBIN, YANG SUIJUN, WEI XIANLI, HOU DEXIN
Принадлежит:

The invention discloses a method for rapidly detecting the concentration of microorganism particles in a biological safety cabinet. The traditional detection method has inconvenient operation and longer detection time. The method in the invention comprises the following steps of: firstly, fixing one end of an interference drum on the back wall of the biological safety cabinet, and extending the other end out of a front operating window port; secondly, placing a sprayer containing a bacillus suspension outside the biological safety cabinet; then placing an air microorganism detector in the biological safety cabinet and starting the sprayer; and finally turning on the air microorganism detector and reading the numerical value displayed on the detector to obtain the concentration of the microorganism particles in the biological safety cabinet. The method is rapid, simple and convenient and improves detection efficiency.

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Номер записи: 13
15-12-2010 дата публикации

Indoor environment monitoring system

Номер: CN0101915597A
Автор: AIMING FENG, DEXIN HOU, SHULIANG YE, JUAN KANG, SHENG ZHANG, JIAYING SONG, ZEQUN QIAN, FENG AIMING, HOU DEXIN, YE SHULIANG, KANG JUAN, ZHANG SHENG, SONG JIAYING, QIAN ZEQUN
Принадлежит:

The invention discloses an indoor environment monitoring system. In the system, the outputs of a CO sensor circuit, a SO2 sensor circuit, a CH2O sensor circuit, a CO2 sensor circuit, a noise sensor circuit and an electromagnetic radiation sensor circuit are connected with the input of a sensor multipath gating circuit, the output of the sensor multipath gating circuit is connected with the input of an analog-to-digital conversion circuit, the outputs of the analog-to-digital conversion circuit, a temperature-humidity sensor circuit, an inhalable particulate sensor circuit, a reserved interface circuit and a key circuit are respectively connected with the input of a singlechip, the output of the singlechip is respectively connected with an acousto-optic alarm circuit, a liquid crystal display circuit and a reserved expansion I/O port circuit, and a power supply circuit supplies power for the whole system. The system can monitor eight environment pollution-related parameters, intelligently ...

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Номер записи: 14
31-08-2011 дата публикации

Gas tank heat preservation holding device

Номер: CN0102169116A
Автор: WEIRONG GUO, HU WANG, YING CHEN, MINJIE XUE, RENJIE XUE, LIMIN ZHU, YUHONG HAO, DEXIN HOU, XIAONA WANG, GUO WEIRONG, WANG HU, CHEN YING, XUE MINJIE, XUE RENJIE, ZHU LIMIN, HAO YUHONG, HOU DEXIN, WANG XIAONA
Принадлежит:

The utility model relates to a gas tank heat preservation holding device which comprises a substrate, a holding device, a locating device and a temperature controller. The middle upper part of the substrate is provided with the holding device; the middle bottom part of the substrate is provided with a guide slot; the locating device is movably connected with the substrate through the guide slot; the temperature controller is arranged below the locating device; the holding device comprises a right sliding block, a left sliding block, an upper right holding block, a lower right holding block, a screw and a hand wheel; the locating device comprises a base, a pull rod, a front pinch-off blade, a back pinch-off blade, a cam pinch roller, a hinge axis and a hand shank; and the temperature controller comprises a semiconductor chilling plate, a radiating fin, and a control circuit module. The gas tank heat preservation holding device can implement heat preservation holding on air pipes of various ...

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Номер записи: 15
16-02-2011 дата публикации

Atomizing aerosol closed spacing igniting tester

Номер: CN0101504401B
Автор: YANG WENCHAO, YANG SUIJUN, HOU DEXIN, YE SHULIANG, CHEN DANCHAO, LIN ZHENXING, WANG JINGJING, MA MING, WENCHAO YANG, SUIJUN YANG, DEXIN HOU, SHULIANG YE, DANCHAO CHEN, ZHENXING LIN, JINGJING WANG, MING MA
Принадлежит:

The invention discloses a spray aerosol enclosed space ignition tester, which comprises a gas tank automatic turning mechanism, an aerosol automatic spraying mechanism, a gas tank positioning clipping mechanism, a gas tank height adjusting mechanism, an enclosed structure, an ignition source mechanism, a combustion detecting unit and a processing circuit; one side of a platform is provided with adoor-shaped frame, of which the upper part is provided with the gas tank automatic turning mechanism; one side of a gas tank fixing platform is fixed with the gas tank automatic turning mechanism, while the other side is provided with the aerosol automatic spraying mechanism, the gas tank positioning clipping mechanism and the gas tank height adjusting mechanism from top to bottom in sequence; the other side of the platform is provided with a cylindrical experiment container, in which the top part is provided with the combustion detecting unit and the bottom part is provided with the ignitionsource ...

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Номер записи: 16
21-09-2011 дата публикации

Inner defect detector for annular workpiece

Номер: CN0101514976B
Автор: YE SHULIANG, HOU DEXIN, YANG SUIJUN, SHULIANG YE, DEXIN HOU, SUIJUN YANG
Принадлежит:

The invention discloses an inner defect detector for the annular workpieces, comprising a feeding unit, a host unit, a detecting unit, a discharging unit, a collecting unit and a processing circuit, wherein the feeding unit is fixed on a first door-shaped frame of the host unit, the detecting unit is mounted under the panel of the host unit, the discharging unit and the collecting unit are fixed a second door-shaped frame of the host unit, the processing circuit is mounted on the base. The detector has high automation degree of detection, namely, the detector can automatically discharge, detect, classify and collect the annular workpieces, therefore improving the detecting efficiency and the safety; the detector has wide application scope, namely the detector can detect the inner secret defects for most of complex annular workpieces; the automation streamline detector is adopted, the detecting speed is rapid and the continuous operation is performed; the detecting accuracy is high, the ...

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Номер записи: 17
23-09-2009 дата публикации

Self-screened exciting pick-up integrated device used for audio detection

Номер: CN0101540940A
Автор: YE SHULIANG, HOU DEXIN, YANG SUIJUN, LI XIA, SHULIANG YE, DEXIN HOU, SUIJUN YANG, XIA LI
Принадлежит:

The invention discloses a self-screened exciting pick-up integrated device used for audio detection. The left upper part of an exciting plate is provided with a plurality of pick-up holes; the right upper part is embedded into a flat plate; the exciting plate and a pressing plate are connected by two pull rods and internally provided with a sound-proof cover; a sound-proof layer is mounted between the sound-proof cover and the exciting plate and respectively provided with small holes which have same diameter and number with the pick-up holes at the position corresponding to the exciting plate; a microphone is arranged on a mounting frame of the microphone by a fixing plate of the microphone; the bottom part of the mounting frame of the microphone is provided with an adjusting pad; the periphery of one end of the sound-proof cover, close to the exciting plate, is fixed with a clamping block with a rubber pad; the clamping block is fixed on a panel by the mounting frame; and a pressure-reducing ...

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Номер записи: 18
08-06-2011 дата публикации

Tester of inflammability of foamed aerosol

Номер: CN0101710109B
Автор: CHEN DANCHAO, HOU DEXIN, MA MING, XU HAIFENG, YANG WENCHAO, YE SHULIANG, DANCHAO CHEN, DEXIN HOU, MING MA, HAIFENG XU, WENCHAO YANG, SHULIANG YE
Принадлежит:

The invention discloses a tester of inflammability of foamed aerosol, comprising an ignition source applying mechanism, a flame detecting mechanism and a platform. An electric cabinet is installed at one end of the platform and the flame detecting mechanism is fixed at the other end of the platform. The ignition source applying mechanism is installed between the electric cabinet and the flame detecting mechanism. The tester has high degree of detection automation, realizes automatic ignition and detection of the samples, can detect the flame intensity and the duration and fill up the blank inthe domestic technology of detecting the foamed aerosol; the tester has wide applicable range and realizes detecting various foamed aerosol, such as the foamed aerosol, pasty aerosol, powdered aerosol, liquid aerosol and the like; the tester adopts the automatic detection device, is fast in detection, can continuously work and is strong in safety in the detection process; and the tester has high detection ...

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Номер записи: 19
03-08-2011 дата публикации

Method for quickly detecting cross contamination of biosafety cabinet

Номер: CN0102140493A
Автор: HU LIANGYONG, YE SHULIANG, ZHOU LUNBIN, YANG SUIJUN, WEI XIANLI, HOU DEXIN, LIANGYONG HU, SHULIANG YE, LUNBIN ZHOU, SUIJUN YANG, XIANLI WEI, DEXIN HOU
Принадлежит:

The invention discloses a method for quickly detecting cross contamination of a biosafety cabinet. The conventional detection method is inconvenient to operate and long in detection time. The method comprises the following steps of: starting the biosafety cabinet to make the biosafety cabinet work for set time; putting a sprayer containing bacillus suspension into the biosafety cabinet, and putting 5 millipore air testers into the biosafety cabinet; and starting the sprayer, respectively confirming detection values of the millipore air testers, and judging whether the biosafety cabinet reaches the standard or not according to a detection standard. The method is quick, simple and convenient; and the detection efficiency is improved.

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Номер записи: 20
19-05-2010 дата публикации

Tester of inflammability of foamed aerosol

Номер: CN0101710109A
Автор: Chen Danchao, Hou Dexin, Ma Ming, Xu Haifeng, Yang Wenchao, Ye Shuliang
Принадлежит:

The invention discloses a tester of inflammability of foamed aerosol, comprising an ignition source applying mechanism, a flame detecting mechanism and a platform. An electric cabinet is installed at one end of the platform and the flame detecting mechanism is fixed at the other end of the platform. The ignition source applying mechanism is installed between the electric cabinet and the flame detecting mechanism. The tester has high degree of detection automation, realizes automatic ignition and detection of the samples, can detect the flame intensity and the duration and fill up the blank in the domestic technology of detecting the foamed aerosol; the tester has wide applicable range and realizes detecting various foamed aerosol, such as the foamed aerosol, pasty aerosol, powdered aerosol, liquid aerosol and the like; the tester adopts the automatic detection device, is fast in detection, can continuously work and is strong in safety in the detection process; and the tester has high detection ...

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Номер записи: 21
12-01-2011 дата публикации

Audio detection method of defect type of workpiece adopting vibrating-mode frequency combination

Номер: CN0101701938B
Автор: FU LIN, HOU DEXIN, YANG SUIJUN, YE SHULIANG, LIN FU, DEXIN HOU, SUIJUN YANG, SHULIANG YE
Принадлежит:

The invention relates to an audio detection method of the defect type of a workpiece adopting vibrating-mode frequency combination. The existing audio detecting technique has low efficiency and low accuracy on detecting the defects of complex workpieces. The method of the invention has the following steps: firstly, carrying out audio detection on the workpiece to obtain the optimal sound clip; secondly, extracting characteristic parameters from the optimal sound clip; thirdly, establishing the corresponding relationship between a vibrating-mode frequency combined matrix and the defect type byapplying mode identification; and finally, utilizing the completed corresponding relationship between the vibrating-mode frequency combined matrix and the defect type to detect the defect of the workpiece. The method adopts a vibrating-mode frequency combinational vector formed by the difference between a first-order or multi-order vibrating-mode frequency and the vibrating-mode frequency in the frequency ...

Подробнее
Номер записи: 22
23-09-2009 дата публикации

Leakage detector of lighter

Номер: CN0101539471A
Автор: YE SHULIANG, YANG SUIJUN, HOU DEXIN, SHULIANG YE, SUIJUN YANG, DEXIN HOU
Принадлежит:

The invention discloses a leakage detector of a lighter, comprising feeding units, a negative pressure generating unit, an automatic detecting unit, an automatic identifying unit and a processing circuit; the two sides of a rotating disc are respectively provided with the feeding unit; one side of the upper part of the rotating disc, close to a first upright column, is provided with the negative pressure generating unit; the automatic detecting unit is arranged at the left side of a second cross beam above the negative pressure generating unit; the right side of the second cross beam is provided with the automatic identifying unit; and the processing circuit is arranged below the rotating disc. The leakage detector of the lighter has high automation degree of detection, realizes automatic detection and automatic identification to the leakage of the lighter, improves the efficiency and safety of detection, has high detection precision and wide application range, realizes detection to lighters ...

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Номер записи: 23
07-09-2011 дата публикации

Pneumatic holding device of lighter

Номер: CN0101799173B
Автор: HOU DEXIN, YANG SUIJUN, YE SHULIANG, DEXIN HOU, SUIJUN YANG, SHULIANG YE
Принадлежит:

The present invention discloses a pneumatic holding device of a lighter, comprising a door-shaped frame, a pneumatic mechanism, a positioning clamping plate mechanism and a holding clamping plate mechanism, wherein the positioning clamping plate mechanism and the holding clamping plate mechanism are respectively arranged at the left side and the right side of a substrate at the upper end of the door-shaped frame; a lighter material box is arranged on the substrate at the upper end of the door-shaped frame between the positioning clamping plate mechanism and the holding plate clamping mechanism; and the pneumatic mechanism is arranged below the substrate of the door-shaped frame. In the invention, the pneumatic mechanism is adopted and has simple structure and convenient use, and a working medium is inexhaustible air having no pollution, low cost and simple exhaust-gas disposal. Compared with a hydraulic mode, the pneumatic mode can be used at high-temperature occasions. In the positioning ...

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Номер записи: 24
24-06-2009 дата публикации

Test instrument for ignition distance of atomizing aerosol

Номер: CN0101464449A
Автор: LIN ZHENXING, CHEN DANCHAO, YE SHULIANG, YANG WENCHAO, YANG SUIJUN, HOU DEXIN, MA MING, ZHENXING LIN, DANCHAO CHEN, SHULIANG YE, WENCHAO YANG, SUIJUN YANG, DEXIN HOU, MING MA
Принадлежит:

The invention discloses an ignition distance tester of a spraying aerosol, which comprises an automatic gas tank dumping gear, an automatic aerosol spraying mechanism, a gas tank locating clamping mechanism, a gas tank height adjustment mechanism, a straight-line lead rail motion mechanism, an ignition source mechanism, a flaming detecting element and a treatment circuit. A portal frame is installed on one side of a platform; the automatic gas tank dumping gear is arranged on the portal frame; a gas tank fixing saddle piece is connected with the automatic gas tank dumping gear; one side of the gas tank fixing saddle piece is fixed on the automatic gas tank dumping gear, and the automatic aerosol spraying mechanism, the gas tank locating clamping mechanism and the gas tank height adjustment mechanism are installed on the other side thereof from top to bottom; the straight-line lead rail motion mechanism is arranged on the other side of the platform; the ignition source mechanism is installed ...

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Номер записи: 25
03-08-2011 дата публикации

Test instrument for gas emission upon water contact

Номер: CN0102141496A
Автор: DANCHAO CHEN, SHULIANG YE, GUOZHOU CAO, SUIJUN YANG, MING MA, DEXIN HOU, WENCHAO YANG, HAIFENG XU, CHEN DANCHAO, YE SHULIANG, CAO GUOZHOU, YANG SUIJUN, MA MING, HOU DEXIN, YANG WENCHAO, XU HAIFENG
Принадлежит:

The invention discloses a test instrument for gas emission upon water contact. The test instrument in the prior art has low degree of automation and inferior safety. The test instrument of the invention comprises a hazardous characteristic type determination device, a gas generation module, an automatic water injection module, an automatic gas collection module, a human-computer interaction module, a system control module, an automatic nitrogen filling and pressure relief module and a cabinet. An electric control box is arranged at one side of the cabinet, the human-computer interaction module is installed on the surface of the electric control box, and the electric control box is internally equipped with a system control module. A detection room is arranged at the upper part of the other side of the cabinet and is internally equipped with the gas generation module, the automatic water injection module, the automatic gas collection module and the automatic nitrogen filling and pressure ...

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Номер записи: 26
20-07-2011 дата публикации

Liquid sustained combustion tester

Номер: CN0102128857A
Автор: DANCHAO CHEN, SHULIANG YE, SUIJUN YANG, MING MA, DEXIN HOU, WENCHAO YANG, HAIFENG XU, CHEN DANCHAO, YE SHULIANG, YANG SUIJUN, MA MING, HOU DEXIN, YANG WENCHAO, XU HAIFENG
Принадлежит:

The invention discloses a liquid sustained combustion tester. The conventional tester has low automation degree and poor safety. The tester consists of a display and control box, a combustion test space and a fuel gas storage area, wherein the display and control box is arranged beside the combustion test space; and the fuel gas storage area is positioned below the combustion test space. A sample introduction mechanism and a temperature control sample groove mechanism are arranged in the combustion test space; the sample introduction mechanism comprises a liquid taking container, a waste liquid storage container, a sample introducer, a sample introduction swing rod, a first photoelectric pair tube, a second photoelectric pair tube, a first micro travel switch, a second micro travel switch and a first speed reducing motor. The temperature control sample groove mechanism comprises a heating table, a second speed reducing motor, a sample groove, a leveling device, an ignition needle, a gas ...

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Номер записи: 27