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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 52. Отображено 52.
11-05-2011 дата публикации

Wireless internet-based multi-node environmental parameter integrated monitoring system

Номер: CN0102053587A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses a wireless internet-based multi-node environmental parameter integrated monitoring system, which comprises one or more wireless sensor networks consisting of a plurality of sensor nodes laid in a monitored area, a wireless signal transceiver module for transmitting guide information and early warning information to handheld communication equipment used by a farmer, an on-line monitoring module for controlling and adjusting controlled equipment-related working parameters in real time, a main control machine which accesses an agricultural expert system through the wireless internet and controls the wireless signal transceiver module and the on-line monitoring module according to the detection result of the wireless sensor network, and a gateway node which packages and uploads the data detected by various sensor nodes in the wireless sensor networks to the main control machine. The system has reasonable design, high intelligent degree, good using effect and high practical ...

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Номер записи: 1
07-07-2023 дата публикации

Construction method of explant skeleton curved glass curtain wall

Номер: CN116397896A
Автор: LU SHIWEI, MENG HAIJUN, XU LIN, YAO WENXIANG, PAN ZHIHAO, FANG CHEN
Принадлежит:

The invention discloses a construction method of an explant framework curved glass curtain wall. The construction method comprises the following steps of (1) framework machining, (2) glass mounting strip machining, (3) curved glass mounting, (4) supporting mechanism mounting and (5) glass curtain wall hoisting and welding. The installation stability and reliability of the explant skeleton curved glass curtain wall are improved, the construction difficulty of the curved glass curtain wall is greatly reduced, and operation is flexible and convenient.

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Номер записи: 2
10-06-2015 дата публикации

Tool table

Номер: CN104690698A
Автор: CHEN LIANGBING, GOU SANLIN, MENG HAIJUN, XIE YI, CHEN MINGGUANG
Принадлежит:

The invention relates to a tool table which comprises a second tool table, wherein a first tool table and a third tool table are clung to two sides of the second tool table respectively; the first tool table is a square table; a tool plate is fixed on the second tool table; the plane of the tool plate and the plane of the second tool table form an inclined angle of 30 degrees; welding guns are fixed in insertion holes in two side edges of the tool plate; a flow panel is fixed on a middle section of a bracket behind the tool plate; a shelf table is mounted on a lower edge of the flow panel; a first upper fixing frame horizontally extends out of the bracket above the flow panel and is fixed with a first illumination lamp; a second upper fixing frame horizontally extends out of one side of the bracket at an upper part of the first upper fixing frame and is equipped with a multi-direction steering fan; a material frame is mounted on the third tool table through material supporting rods. The ...

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Номер записи: 3
17-02-2016 дата публикации

A quick milling unit for nuclear power station pressure vessel kills kingbolt

Номер: CN0205032780U
Автор: YUE YONGSHENG, CHENG PENG, MENG HAIJUN, HOU SHUO, LIU QINGSONG, YU BING
Принадлежит:

The utility model relates to a quick milling unit for nuclear power station pressure vessel kills kingbolt, including fixing device, set up plane positioning adjustment mechanism on fixing device, install lifting adjusting mechanism on the positioning adjustment mechanism of plane, set up main shaft mechanism on lifting adjusting mechanism, install positioning mechanism in main shaft mechanism, cutter and controlling means on installing main shaft mechanism. Fixing device and pressure vessel's flange joint, plane positioning adjustment mechanism adjust the plan position of the relative flange of lifting adjusting mechanism, and main shaft mechanism can cooperate with lifting adjusting mechanism with reciprocating, and positioning mechanism treats the center location of milling the bolt. Controlling means adjusts the lifting adjusting mechanism's on the positioning adjustment mechanism of plane plan position, and it is just right to make the cutter and wait to mill the bolt to descend to ...

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Номер записи: 4
30-09-2015 дата публикации

Mounting structure of transformer among box -type substation

Номер: CN0204680972U
Автор: ZHENG JIANJIANG, MENG HAIJUN, FU AI
Принадлежит:

The utility model discloses a mounting structure of transformer among box -type substation, it includes the casing, the back of casing is provided with the transformer, is provided with the oil tank on the transformer, the oil tank inlay and establish the back of installing in the casing, it is fixed that the lateral wall of oil tank and the lateral wall of casing pass through the fastener, along the parallel and level behind the lateral wall of the oil tank and surface that the transformer is connected and casing. The utility model discloses make box -type substation's side level.

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Номер записи: 5
23-09-2015 дата публикации

Gasbag apron transfer work or material rest

Номер: CN0204659782U
Автор: CHEN LIANGBING, MENG HAIJUN, XIE YI
Принадлежит:

The utility model relates to a gasbag apron transfer work or material rest, including the horizontal frame pole, four the first connections of horizontal frame pole form one deck rectangle horizontal frame, horizontal frame pole both sides upper end is fixed with vertical frame pole and the vertical frame of the first form a rectangle of connection, the first -class height of the vertical frame of rectangle is fixed with a plurality of layers of rectangle horizontal frame, the position that the interior both sides of rectangle horizontal frame are close to the frame respectively is fixed with an enhancement dead lever, the both sides that are close to the interior intermediate position of rectangle horizontal frame respectively are fixed with a line stick dead lever, the equidistance is fixed with first parallax stick on one of them line stick dead lever, the equidistance is fixed with second parallax stick on another line stick dead lever, the orientation of second parallax stick and first ...

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Номер записи: 6
15-06-2011 дата публикации

System for remotely monitoring moisture content and temperature of soil in sun room

Номер: CN0102096428A
Автор: HAIJUN MENG, SHINING LI, ZHIGANG LI, MENG HAIJUN, LI SHINING, LI ZHIGANG
Принадлежит:

The invention discloses a system for remotely monitoring the moisture content and temperature of soil in a sun room. The system comprises a soil moisture sensor for detecting the moisture content of the soil in the sun room in real time, a control module which is connected with the soil moisture sensor and controls drip irrigation equipment arranged in the sun room, and a wireless communication module, a storage module, an on-site alarm unit and a power supply unit which are connected with the control module respectively, wherein the on-site alarm unit is arranged in the sun room; a solenoid valve is arranged on a water supply pipeline of the drip irrigation equipment; and a switching state and opening of the solenoid valve are controlled by the control module and the solenoid valve is connected with the control module. The system is low in cost, low in power consumption, has high robustness and intelligent degree, and can be used while being plugged; wiring is not needed, and monitoring ...

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Номер записи: 7
18-04-2023 дата публикации

Ventilation and heat dissipation system for transformer room of transformer substation

Номер: CN115985631A
Автор: MENG HAIJUN, FU AI, YU QIFENG, SHI XIAOJIAN, XIE YANCUI, LI LINLIN, CHEN XINGLI, YU YONGCHANG, LI PANLONG, BAO YUTAO, RUI SHAOWEI, WANG YUKAI, HUYAN HAIPING, CHOI HO-YONG, BAO LU, HU JINGBAO
Принадлежит:

The embodiment of the invention provides a ventilation and heat dissipation system for a transformer room of a transformer substation, and relates to the technical field of heat dissipation of transformer substations. The ventilation and heat dissipation system for the transformer room of the transformer substation comprises a heat dissipation box body, a heat extraction device, a ventilation piece and a wind shielding piece. A transformer is installed in the heat dissipation box body, and ventilation holes are formed in the bottom of the heat dissipation box body. And the heat removal device is arranged in the heat dissipation box body and is used for removing hot air in the heat dissipation box body. The ventilation piece is arranged on the side wall of the heat dissipation box body and communicated with the interior of the heat dissipation box body, and the ventilation piece is located between the ventilation hole and the heat removal device in the height direction of the heat dissipation ...

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Номер записи: 8
28-05-2014 дата публикации

Numerical control system for numerical-control tap grinding machine

Номер: CN103817564A
Автор: MENG HAIJUN, QIN GANG
Принадлежит:

The invention discloses a numerical control system for a numerical-control tap grinding machine. The numerical control system comprises a multi-axis motion controller and a man-machine reaction touch screen connected with the same. An input I/O interface of the multi-axis motion controller is connected with an operation button switch group, a clear switch group and a limiting switch group of the tap grinding machine. An encoder input interface of the multi-axis motion controller is connected with a workpiece rotation station detection encoder and a manual pulse generator. A pulse output interface of the multi-axis motion controller is connected with a workpiece rotation servo driver, a worktable longitudinal-movement servo driver, a grinding wheel carrier transverse-feeding servo driver and a dresser feeding servo motor driver. An output I/O interface of the multi-axis motion controller is connected with an emery pen moving relay and a cooling pump relay. The numerical control system is ...

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Номер записи: 9
15-12-2010 дата публикации

Device and system for vacuum-pumping loop of pressurized water reactor of nuclear power station

Номер: CN0101916596A
Автор: TIANHUA WU, QINGSONG LIU, LEI ZHU, SHUZHOU LI, YACHAO DONG, JIE YUAN, HAILONG GONG, LIUPING LU, HAIFENG YU, YIQUN HONG, DONG WANG, HAIJUN MENG, PENG CHENG, YINGJIE SHI, WENYOU HUANG, WENYUAN XIANG, YUEYANG ZHAO, BING YU, WU TIANHUA, LIU QINGSONG, ZHU LEI, LI SHUZHOU, DONG YACHAO, YUAN JIE, GONG HAILONG, LU LIUPING, YU HAIFENG, HONG YIQUN, WANG DONG, MENG HAIJUN, CHENG PENG, SHI YINGJIE, HUANG WENYOU, XIANG WENYUAN, ZHAO YUEYANG, YU BING
Принадлежит:

The invention discloses a device for vacuum-pumping a loop of a pressurized water reactor of a nuclear power station, for vacuum-pumping the loop comprising a reactor pressure container, a pressure stabilizer and a steam generator. The vacuum-pumping device is respectively communicated with the reactor pressure container and the pressure stabilizer so as to form a sealed pumping loop. The vacuum-pumping device comprises a vacuum-pumping frame which is accessed into the sealed pumping loop so as to separate water from steam in the sealed pumping loop. The invention also discloses a system for vacuum-pumping a loop of a pressurized water reactor of a nuclear power station. The device and the system of the invention can be connected to a loop so as to form the sealed pumping loop and separate water from steam in the sealed pumping loop, therefore promoting the running economical efficiency of the nuclear power station and decreasing the abrasion ratio of the device in the loop.

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Номер записи: 10
04-07-2023 дата публикации

Construction method of pipeline support

Номер: CN116378319A
Автор: MENG HAIJUN, HE JINCHENG, XU LIN, ZHANG BO, PAN ZHIHAO, JIN HUAIYU
Принадлежит:

The invention discloses a construction method of a pipeline support. The construction method comprises the following steps that (a) a pipeline is in place; (b) arranging a main bracket; (c) arranging a pressing plate; and (d) arranging the auxiliary bracket. The pipeline support is simple in process, easy to operate, convenient to rapidly arrange on site, low in operation strength, small in difficulty, high in efficiency, capable of greatly reducing the use number of bolts, labor-saving, convenient and fast, capable of being suitable for pipelines with different pipe diameters and different heights, high in applicability, high in structural stability, good in supporting effect, easy to disassemble and capable of being reused.

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Номер записи: 11
11-05-2011 дата публикации

Wireless sensor network node module based on Bluetooth

Номер: CN0102055499A
Автор: HAIJUN MENG, XIAOHUA WU, TAO GAO, MENG HAIJUN, WU XIAOHUA, GAO TAO
Принадлежит:

The invention discloses a wireless sensor network node module based on Bluetooth, which comprises a power supply module for supplying power to all electric modules, a main control module, a sensor module, a data storage module and a Bluetooth wireless communication module, wherein the sensor module, the data storage module and the Bluetooth wireless communication module are respectively connected with main control module, the main control module, the sensor module, the data storage module and the Bluetooth wireless communication module are all connected with the power supply module, and the sensor module comprises an expandable sensor interface module connected with the main control module and one or more than one sensor connected with the expandable sensor interface module. The invention combines the wireless sensor communication technology with the Bluetooth communication technology, realizes a new information acquisition and transmission platform and has the advantages of low power consumption ...

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Номер записи: 12
09-02-2011 дата публикации

Wireless sensor network-based greenhouse group control system and control method thereof

Номер: CN0101969613A
Автор: SHINING LI, ZHIGANG LI, JUNYAN MA, HAIJUN MENG, LI SHINING, LI ZHIGANG, MA JUNYAN, MENG HAIJUN
Принадлежит:

The invention discloses a wireless sensor network-based greenhouse group control system and a control method thereof. Each greenhouse is provided with a plurality of wireless sensor nodes and a cluster head node for acquiring environmental factors of the greenhouses according to needs, wherein the wireless sensor nodes and the cluster head nodes autonomously form wireless sensor networks by wireless communication; the wireless sensor nodes transmit monitoring data to the corresponding cluster head nodes in a multi-hop way; the cluster head nodes transmit the data to a gateway node which uploads the data to a communication server; the communication server performs two-way communication with a control computer; and the control computer makes corresponding guidance schemes according to the data monitored by the wireless sensor networks in real time, and synchronously transmits control instructions to the wireless sensor networks according to the guidance schemes. In the system and the method ...

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Номер записи: 13
07-04-2023 дата публикации

Test method and device, electronic equipment and storage medium

Номер: CN115934550A
Автор: MENG HAIJUN
Принадлежит:

The embodiment of the invention discloses a test method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining at least one business flow chart; for each business flow chart, determining at least one test execution path according to the business flow chart; and for each test execution path, generating a corresponding test case based on the test execution path and the set test template, the test case being used for testing the business demand associated with the business flow chart. According to the method, the corresponding test case is determined according to the test execution path corresponding to each business flow chart so as to be used for testing the business requirements associated with the business flow charts, and the problems that in the prior art, due to project modularization, the corresponding test cost is increased, and the test efficiency is low are solved; and the test efficiency is improved.

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Номер записи: 14
17-02-2016 дата публикации

Instrument is restoreed with screw thread local defect in nuclear power station pressure vessel kingbolt hole

Номер: CN0205032819U
Автор: MENG HAIJUN, ZHANG ZECHAO, DENG ZHIYAN, CHENG PENG, YUE YONGSHENG, LIU QINGSONG, YU BING
Принадлежит:

The utility model relates to an instrument is restoreed with screw thread local defect in nuclear power station pressure vessel kingbolt hole, include: positioner for install on waiting to restore the flange at bolt hole place, positioner includes and waits to restore the centering ring that the bolt hole corresponds, the centering subassembly for install and look for the center of waiting to restore the bolt hole of getting on the centering ring, to the position correction of centering ring, let the centering ring the center with wait the center of restoreing the bolt hole and adjust well, measurement element for the installation is arrived school on the centering ring of normal position postpone, measures the circumference position and the depth position that wait to restore the thread that wait to restore in the bolt hole, and, the toolbox for on installing the centering ring of the normal position postpone of arriving school, treat the restoration thread and process. The utility model ...

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Номер записи: 15
18-11-2015 дата публикации

Air intake duct

Номер: CN0204783363U
Автор: MENG HAIJUN, LUO XIONGBIN, YANG ERCHEZHASHI, REN HONG
Принадлежит:

The utility model discloses an air intake duct, including the air intake duct body, air intake duct body one end can be dismantled and connect air cleaner, and the other end can be dismantled to connect and strain the cap, can come clean air intake duct way through dismantling air intake duct, strains cap and air cleaner, and the while can be realized changing the position of straining the inlet port on the cap through the length of changing air intake duct, selects clear air admission, also can select to admit air the orientation through rotatory worry cap to prevent air cleaner's jam.

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Номер записи: 16
30-07-2014 дата публикации

Automatic polishing machine for flange surface of rotary body

Номер: CN103949943A
Автор: LIU QINGSONG, CHEN JIAJIE, YU BING, ZHU LEI, ZHANG TAO, MENG HAIJUN, LI XIAO, CHENG PENG, DONG YACHAO, GE YUESHENG, ZHAN YUHUA, LI ZHI
Принадлежит:

The invention discloses an automatic polishing machine for a flange surface of a rotary body, and is suitable for carrying out grinding and polishing treatment on the flange surface of the large rotary body. The large rotary body is provided with a guide rail which is arranged around the rotary center line of the large rotary body. The automatic polishing machine for the flange surface of the large rotary body comprises a machine frame, a grinding assembly, a polishing assembly, a grinding and polishing driving assembly, a travel driving assembly and a travel driven assembly, wherein the grinding assembly and the polishing assembly are respectively arranged on the machine frame and are respectively opposite to the flange surface, the grinding and polishing driving assembly is arranged on the machine frame and is used for providing the driving power for the grinding assembly and the polishing assembly, the travel driving assembly and the travel driven assembly are sequentially arranged on ...

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Номер записи: 17
11-05-2011 дата публикации

Wireless sensor network-based lawn environment monitoring system and monitoring method

Номер: CN0102054344A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses a wireless sensor network-based lawn environment monitoring system and a wireless sensor network-based lawn environment monitoring method. The system comprises a plurality of wireless sensor networks consisting of a plurality of wireless sensor nodes, a gateway node, a communication server connected with the gateway node, and an upper monitor connected with the communication server. The method comprises the following steps that: 1, the upper monitor transmits a data acquisition command to the gateway node; 2, the gateway node synchronously transmits the data acquisition command to the plurality of wireless sensor nodes; 3, the plurality of wireless sensor nodes synchronously and uninterruptedly acquire and upload data according to the set sampling period and retransmit the data if the data is lost; and 4, the upper monitor analyzes and processes the received monitoring data. The invention has the advantages of reasonable design, low cost, easiness and convenience ...

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Номер записи: 18
04-08-2023 дата публикации

Control method, system and equipment of air compressor unit and storage medium

Номер: CN116538063A
Автор: MENG HAIJUN, WU YAO, WANG RUN, WANG TIANYA
Принадлежит:

The invention discloses a control method and device for an air compressor set and a computer readable storage medium, and the method comprises the steps that when it is detected that at least one of a first gas parameter and a second gas parameter of an acting environment of the air compressor set exceeds a preset range, the second gas parameter of the acting environment at the next moment is utilized; the state control information is used for controlling the use state of each air compressor in the target air compressor sub-set, so that the gas flow of the target air compressor sub-set at the next moment reaches the target gas flow, and the air compressor set is controlled through the second gas parameter obtained through prediction in the mode, so that the target air compressor sub-set is controlled. Compared with control by using the gas parameters at the current moment, control is carried out in advance, the situation that the gas parameters are still increased according to the original ...

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Номер записи: 19
16-09-2015 дата публикации

Deburring assembly integration workstation

Номер: CN0204640175U
Автор: CHEN MINGGUANG, XIE YI, CHEN LIANGBING, MENG HAIJUN
Принадлежит:

The utility model relates to a deburring assembly integration workstation, including the platen, the mesa of platen is the rectangle, and the platen is fixed in subaerially through six roots of sensation table leg, the platen above one side open and to have two blanking mouth side by side, have one side of a fixed slide below the blanking mouth, the opposite side of slide is fixed at subaerial blanking box side, has a backup pad directly over the blanking box, the backup pad is fixed below the platen, platen above the backup pad is opened has one big two little three location altogether mouthful, is equipped with component case respectively in the location mouthful, there is a conveyer belt platen outside that is close to two blanking mouth one side, the adjacent both sides of conveyer belt are fixed with one side slip table and forward slip table respectively. The utility model is suitable for a deburring and the assembly of smallclothes, the twice process is carry out simultaneously, ...

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Номер записи: 20
26-03-2014 дата публикации

Ultrasonic welding structure of thin-wall plastic shell

Номер: CN103660285A
Автор: XU MIN, MENG HAIJUN
Принадлежит:

The invention discloses an ultrasonic welding structure of a thin-wall plastic shell. The ultrasonic welding structure comprises an upper shell and a lower shell, wherein guide columns and welding lines are distributed on the side wall of the upper shell at intervals; welding surfaces, positioning bosses and anti-flash bosses are arranged on the side wall of the lower shell, the welding surfaces correspond to the welding lines of the upper shell in position, the positioning bosses correspond to the guide columns of the upper shell in position, and the anti-flash bosses are distributed at the periphery of the whole side wall of the lower shell; spark lines are arranged on the welding surfaces of the lower shell; gaps are formed between the welding lines of the upper shell and the anti-flash bosses of the lower shell; gaps are formed between the anti-flash bosses of the lower shell and the guide columns of the upper shell. According to the ultrasonic welding structure, the structure is simple ...

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Номер записи: 21
09-09-2015 дата публикации

Defeated work or material rest workstation

Номер: CN0204624467U
Автор: XIE YI, MENG HAIJUN, CHEN LIANGBING, GOU SANLIN
Принадлежит:

The utility model relates to a defeated work or material rest workstation, including the fixed station, the fixed station is fixed in subaerially, has the carousel through the axle fixing between two shaft supports in above -mentioned the dead ahead of fixed station, and shaft support rear is fixed with back frame, and back frame upper portion is stretched out forward and is formed a rack, installs fixed canopy on the back frame of rack top, and back frame back subaerial is fixed with back slide rail branch, respectively installs one row of back slide rail on the two back slide rail branches, and back slide rail branch left end is connected with left side slide rail branch and is fixed, and left side slide rail branch is two piece left parallel branches of fixed station, slide rail on the left of a row is respectively installed to two left side slide rail branches the utility model discloses workstation reasonable in design, upset work piece that can be convenient, through -put slide rail ...

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Номер записи: 22
04-06-2008 дата публикации

Drill pump hydraulic end

Номер: CN0101191481A
Автор: MENG HAIJUN, SU CHENGLIN, ZHENG AIJUN, TIAN YUEHUI, JI WUYU, YU JIUYUAN, JIA ZHONG, HAIJUN MENG, CHENGLIN SU, AIJUN ZHENG, YUEHUI TIAN, WUYU JI, JIUYUAN YU, ZHONG JIA
Принадлежит:

The invention provides a fluid-end of a drilling pump, which belongs to the petroleum drilling machinery equipment field and comprises a drilling liquid cavity, a diaphragm device and a lubricating liquid cavity. The diaphragm device is arranged between the drilling liquid cavity and the lubricating liquid cavity, and a diaphragm divides the fluid-end of the drilling pump into two separate parts which are the drilling liquid cavity and the lubricating liquid cavity, the drilling liquid has no direct contact with a cylinder sleeve and a piston of the lubricating liquid cavity. The curve length of the outer diaphragm surface of the diaphragm device is equal to the curve length of the inner surface in the shell. The shape of the diaphragm is spherical or ellipsoid after full expansion. The advantages of the invention are that the working environment of the piston and the cylinder are improved, the abrasion between the piston and the cylinder sleeve are remarkably reduced and thus the service ...

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Номер записи: 23
03-03-2010 дата публикации

Orchard planting monitoring system based on wireless sensor networks and monitoring method thereof

Номер: CN0101661664A
Автор: MENG HAIJUN, LI SHINING, LI ZHIGANG, HAIJUN MENG, SHINING LI, ZHIGANG LI
Принадлежит:

The invention discloses an orchard planting monitoring system based on wireless sensor networks and a monitoring method thereof. The system comprises a plurality of wireless sensor networks comprisinga plurality of wireless sensor nodes, gateway nodes, a communication server connected with the gateway nodes and a host monitoring machine connected with the communication server. The method comprises the following steps: 1. self-organizing the plurality of wireless sensor networks by the plurality of wireless sensor nodes and transmitting monitoring data to the gateway nodes after collection atregular time, and then packing and transmitting the monitoring data to the communication server by the gateway nodes; 2. transmitting the monitoring data to the host monitoring machine by the communication server; and 3. pretreating the monitoring data and removing pseudo data by the host monitoring machine, and transferring an expert system for analyzing and processing the monitoring data and making ...

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Номер записи: 24
11-05-2011 дата публикации

Gateway node for agricultural environment wireless monitoring system

Номер: CN0102056337A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses a gateway node for an agricultural environment wireless monitoring system, which comprises a processor module, a short-distance wireless communication module used for two-way communication with a lower sensor node, a far-distance wireless communication module connected with an upper communication server, and a power supply module respectively connected with the processor module, the short-distance wireless communication module and the far-distance wireless communication module, wherein the far-distance wireless communication module is a GPRS (General Packet Radio Service) wireless communication module; and the short-distance wireless communication module and the GPRS wireless communication module are both connected with the processor module. The gateway node disclosed by the invention has the advantages of reasonable circuit design, convenient arrangement, low manufacture cost and quick data transmission speed and can directly access to a network through the GPRS ...

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Номер записи: 25
11-05-2011 дата публикации

Sensor network-based historic site protecting and monitoring system

Номер: CN0102053285A
Автор: HAIJUN MENG, XIAOHUA WU, TAO GAO, MENG HAIJUN, WU XIAOHUA, GAO TAO
Принадлежит:

The invention discloses a sensor network-based historic site protecting and monitoring system. The system comprises a wireless sensor network, a data acquisition instrument, a communication server and a monitoring machine, wherein the wireless sensor network consists of a plurality of sensor nodes which are distributed in a monitored historic site in a self networking way; the data acquisition instrument acquires monitoring data from all the sensor nodes in the wireless sensor network and synchronously uploads all the monitoring data; the communication server is connected with the data acquisition instrument; the monitoring machine is connected with the communication server in a wireless communication way; and the data acquisition instrument is in two-way communication with the communication server in a wireless communication way. The system can conveniently distribute networks, has high monitoring precision, high data acquisition and transmission speed and less impact on the environment ...

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Номер записи: 26
24-02-2010 дата публикации

Wireless sensor network node on-site wireless program updating device and updating method thereof

Номер: CN0101656975A
Автор: MENG HAIJUN, LI SHINING, LI ZHIGANG, HAIJUN MENG, SHINING LI, ZHIGANG LI
Принадлежит:

The invention discloses a wireless sensor network node on-site wireless program updating device and an updating method thereof. The used device comprises a PC and a data processor, wherein the PC is used for compiling programs, the data processor is provided with a wireless communication module and can access the wireless sensor network from networking, and the data processor is connected with thePC; the program updating method comprises the steps of: compiling a program to be updated into an executable file via the PC and sending into the data processor, selecting program updating mode by the data processor; the data processor accessing into the wireless sensor network from networking carrying out program updating on the whole wireless sensor network or specific wireless sensor nodes correspondingly via the wireless communication module carried by the data processor. The used device in the invention is small in volume, light in weight, convenient to carry and operate, the adopted updating ...

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Номер записи: 27
30-09-2015 дата публикации

Box -style substation

Номер: CN0204680971U
Автор: ZHENG JIANJIANG, MENG HAIJUN, FU AI
Принадлежит:

The utility model discloses a box -style substation, it includes casing, transformer, high -tension apparatus, low -voltage equipment, energy metering equipment and capacitance compensation equipment, and the transformer setting is at the back of casing, and high -tension apparatus, low -voltage equipment, energy metering equipment and capacitance compensation equipment set up in the casing, the casing constitute by first rectangle part and the perpendicular second rectangle part that sets up at the back of first rectangle part, high -tension apparatus, low -voltage equipment and energy metering equipment set up in first rectangle part, capacitance compensation equipment sets up in the second rectangle part. The utility model discloses it is less to take up an area of the space.

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Номер записи: 28
15-04-2015 дата публикации

Three-phase permanent magnetic generator winding shifting device used to operate in wide rotating speed range

Номер: CN104518719A
Автор: ZHANG WENCHANG, LIU HAIPENG, ZHANG JUNGANG, MENG HAIJUN, YU GONGSHAN, WANG HUAIJIE
Принадлежит:

The invention relates to a three-phase permanent magnetic generator winding shifting device used to operate in a wide rotating speed range. The winding shifting device (3) is provided with a three-phase diode bridge DB1 and a three-phase diode bridge DB2. The DC output sides of the three-phase diode bridge DB1 and the three-phase diode bridge DB2 are respectively connected with diodes D7 and D8, and diodes D9 and D10. The diodes D7 and D8 and the diodes D9 and D10 are diodes used to prevent backflow. The anode end of the diode D7 is connected with the DC output end of the three-phase diode bridge DB1 and the collector electrode of a bipolar transistor SW1. The cathode end of the diode D8 is connected with the negative end of the DC output of the three-phase diode bridge DB1 and the emitter electrode of the bipolar transistor SW1. The anode end of the diode D9 is connected with the DC output end of the three-phase diode bridge DB2 and the collector electrode of the bipolar transistor SW2 ...

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Номер записи: 29
13-01-2016 дата публикации

High prototype generating set bypass turbocharging system that admits air

Номер: CN0204961069U
Автор: GUO ZHEN, MENG HAIJUN, ZHANG JUNGANG
Принадлежит:

The utility model discloses a high prototype generating set bypass turbocharging system that admits air generating set's the side of admitting air is provided with inlet wind cover, empty filter and fan, the fan is installed in inlet wind cover's inboard, and empty filter is located inlet wind cover directly over the position department that inlet wind cover is close to empty filter sets up the bypass wind channel, in empty filter is introduced the inspiratory partly wind of fan in the bypass wind channel, with the inspiratory air mixing of empty filter self, after filtering, the filter core of the empty filter of rethread sends into generating set's combustion chamber. Simple structure, design benefit, low in manufacturing cost are applicable to the altitude environment and use, have wide market prospect.

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Номер записи: 30
30-09-2015 дата публикации

Box -type substation's lead sealing structure

Номер: CN0204680970U
Автор: ZHENG JIANJIANG, MENG HAIJUN, FU AI
Принадлежит:

The utility model discloses a box -type substation's lead sealing structure, it includes casing, low -voltage equipment and energy metering equipment, low -voltage equipment and energy metering equipment set up in the casing, the casing in be provided with one and be used for the lead sealing case with the energy metering equipment lead sealing, lead sealing case integrated into one piece. The utility model discloses the lead sealing operation is comparatively simple and convenient.

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Номер записи: 31
29-10-2008 дата публикации

Distant range active remote radio frequency label card

Номер: CN0101295367A
Автор: TAO HUIBIN, MENG HAIJUN, HUIBIN TAO, HAIJUN MENG
Принадлежит:

The invention provides a far-distance active remote radio frequency tag card which consists essentially of a controller, a timer, a RAM/ROM, a UHF transceiver, a LF field intensity detection circuit, an antenna and a power supply. The invention further introduces a set of perfect activation dormant conversion mechanism to effectively solve the problem of the working time of a battery, the radio frequency tag reports the current information to a reader and writer and then enters the dormant state, if the radio frequency tag is triggered by an external trigger or the timer, the radio frequency tag immediately enters the working state to communicate with the reader and writer by a UHF wireless interface, thus greatly improving the power saving application. As the radio frequency tag card does not have the bottleneck on the power supply power and can be made into the cards with different shapes according to the needs of the practical application, the radio frequency tag card has the advantages ...

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Номер записи: 32
04-07-2023 дата публикации

Repair method and repair device for nuclear power thermocouple column flange sealing surface

Номер: CN116372795A
Автор: ZHU JIANLIN, LI HUAIWEI, LIU ZHI, CHEN JIAJIE, WU MENGYING, ZHANG MEILING, MENG HAIJUN, TAN YI
Принадлежит:

The invention relates to a repairing method and a repairing device for a nuclear power thermocouple column flange sealing surface. The repairing method for the nuclear power thermocouple column flange sealing face comprises the steps that a grinding piece is obtained, the grinding piece is provided with a grinding face, the grinding face is a conical face, and the taper of the grinding face is equal to that of the sealing face; the grinding piece rotates along the axis of the sealing face so as to grind the sealing face, the sealing face can support the grinding piece and limit the grinding piece in the circumferential direction, shaking of the grinding piece is reduced, the grinding stability can be improved, and the overlap ratio between the rotating axis of the grinding piece and the axis of the sealing face can be increased; the self-alignment concentricity of the grinding piece and the sealing face is improved, the grinding piece can automatically find the axis of the sealing face ...

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Номер записи: 33
18-11-2015 дата публикации

Plough quick -witted power device a little

Номер: CN0204783355U
Автор: MENG HAIJUN, LUO XIONGBIN, YANG ERCHEZHASHI, REN HONG
Принадлежит:

The utility model discloses a plough quick -witted power device a little relates to the engine power device, including the engine, engine one side is equipped with the base, on the engine with one side that the base is relative is equipped with the oil tank support, the oil tank, the oil tank is to fixing through the oil tank support on the engine, still be equipped with the cylinder end on the engine, the muffler, the muffler fixed connection be in on the cylinder end, draw a set starter, draw a set starter fixed connection to be in the relative one side of engine output axle draw a set starter side to be equipped with the seat that admits air, air cleaner, air cleaner passes through flange joint and arrives admit air on the seat, air cleaner includes filter body, intake pipe, strains the cap, the intake pipe can dismantle the connection with the air cleaner body with strain cap intercommunication, can realize changing the position of straining the inlet port on the cap through the length ...

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Номер записи: 34
11-05-2011 дата публикации

Lawn environment parameter data acquisition system based on lawn lamps

Номер: CN0102054343A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses a lawn environment parameter data acquisition system based on lawn lamps. The system comprises a plurality of wireless sensor networks comprising a plurality of wireless sensor nodes arranged in a monitored lawn, gateway nodes, a communication server connected with the gateway nodes and an upper monitor device connected with the communication server, wherein, the plurality of wireless sensor networks are divided into different areas which are respectively arranged in a plurality of power supply areas in the monitored lawn, a lawn lamp is correspondingly arranged in each power supply area, the wires sensor nodes comprise a plurality of air humiture sensor nodes and a plurality of soil moisture sensor nodes, and a plurality of wireless sensor nodes in the wireless sensor network in each power supply area are powered by the power supply circuit of the lawn lamp in the power supply area. The lawn environment parameter data acquisition system has the advantages of reasonable ...

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Номер записи: 35
30-05-2012 дата публикации

Wireless sensor network node on-site wireless program updating device and updating method thereof

Номер: CN0101656975B
Автор: HAIJUN MENG, SHINING LI, ZHIGANG LI, MENG HAIJUN, LI SHINING, LI ZHIGANG
Принадлежит:

The invention discloses a wireless sensor network node on-site wireless program updating device and an updating method thereof. The used device comprises a PC and a data processor, wherein the PC is used for compiling programs, the data processor is provided with a wireless communication module and can access the wireless sensor network from networking, and the data processor is connected with the PC; the program updating method comprises the steps of: compiling a program to be updated into an executable file via the PC and sending into the data processor, selecting program updating mode by the data processor; the data processor accessing into the wireless sensor network from networking carrying out program updating on the whole wireless sensor network or specific wireless sensor nodes correspondingly via the wireless communication module carried by the data processor. The used device in the invention is small in volume, light in weight, convenient to carry and operate, the adopted updating ...

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Номер записи: 36
16-09-2015 дата публикации

Frock platform

Номер: CN0204640174U
Автор: CHEN LIANGBING, GOU SANLIN, MENG HAIJUN, XIE YI, CHEN MINGGUANG
Принадлежит:

The utility model relates to a frock platform, including the 2nd frock platform, a frock platform and the 3rd frock platform are being hugged closely respectively to the 2nd frock platform both sides, a frock platform be a four directions table, is fixed with the frock board above the 2nd frock platform, frock plate face and the 2nd frock platform plane are 30 degrees inclination, are fixed with welder on the socket on the both sides limit of frock board, the rigidity of the support bracket interlude at frock board rear has a flow panel, the edge is installed one and is put the thing platform below the flow panel, has the first upper portion mount that a level projectes on the support bracket of flow panel top and is fixed with the first light, one side has a level to project on the support bracket on the first upper portion mount upper portion second upper portion mount and ann have the diversified fan that turns to, the 3rd frock platform upward installs the material frame by material ...

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Номер записи: 37
17-02-2016 дата публикации

Reactor pressure vessel kingbolt hole chaser

Номер: CN0205032818U
Автор: ZHANG ZECHAO, YUE YONGSHENG, SHEN LI, CHENG PENG, LIU QINGSONG, YU BING, MENG HAIJUN
Принадлежит:

The utility model discloses a reactor pressure vessel kingbolt hole chaser, it is including setting up the support on waiting to comb two screws that the screw faces mutually to and the chaser of movable mounting on the support. The chaser blade with wait to comb screw intermeshing. Chaser tool bit maneuverability with to wait to comb the screw just right from top to bottom, and the pitch diameter maneuverability of chaser tool bit keep unanimous with waiting the pitch diameter of combing the screw. Implement the technical scheme of the utility model, this reactor pressure vessel kingbolt hole chaser business turn over is waited to comb the screw and is all adopted screw in or the mode of screwing out, has effectively avoided the knife tip and the risk that the screw cusp bumped of chaser tool bit, has improved the security of using to make nuclear power station site operations personnel work efficiency improve, operating time shortens, thus reduced the operation personnel receive shine ...

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Номер записи: 38
11-05-2011 дата публикации

Power supply for solar power supply wireless sensor network node and power supply method

Номер: CN0102055212A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses a power supply for a solar power supply wireless sensor network node and a power supply method. The power supply battery comprises a control module, a rechargeable battery controlled by the control module, a solar battery panel, an illumination sensor and a wireless communication module connected with the control module, a voltage/current detection circuit, and a terminal computer in bidirectional communication with the control module. The power supply method comprises the following steps of: inputting a preset value by the terminal computer, storing the preset value in an electrically erasable programmable read-only memory (EEPROM), reading Vflag in the EEPROM, and judging whether the Vflag is equal to 1; when the Vflag is equal to 1, entering a charging mode; and when the Vflag is equal to 0, correspondingly adjusting the sampling period according to the output voltage value of the rechargeable battery periodically detected by the voltage/current detection circuit ...

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Номер записи: 39
15-12-2010 дата публикации

Intelligent greenhouse equipment control method based on short messages of mobile phone and device thereof

Номер: CN0101916104A
Автор: ZHIGANG LI, SHINING LI, JUNYAN MA, HAIJUN MENG, LI ZHIGANG, LI SHINING, MA JUNYAN, MENG HAIJUN
Принадлежит:

The invention discloses an intelligent greenhouse equipment control method based on short messages of a mobile phone and a device thereof. After regularly acquiring environmental factor data in a greenhouse, a wireless sensor network transfers the data to a monitoring center through gateway nodes and stores the data in an environmental factor database of the monitoring center; the monitoring center is connected with a GSM (Global System for Mobile Communications) network communication module; a cell phone sends a query command and a management command to the GSM network communication module through a GSM network of an operator; and the monitoring center performs query and management according to the query command or the management command and sends environmental factor database or early warning information to the cell phone. The invention has the advantages of reasonable design, simple and convenient operation, strong practicality, wide applicability, reliable performance, reasonable control ...

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Номер записи: 40
19-08-2015 дата публикации

Box-type transformer substation

Номер: CN104852305A
Автор: ZHENG JIANJIANG, MENG HAIJUN, FU AI
Принадлежит:

The invention discloses a box-type transformer substation, comprising a housing, a transformer, a high-voltage device, a low-voltage device, an electric energy metering device, and a capacitance compensation device. The transformer is arranged on the back surface of the housing. The high-voltage device, the low-voltage device, the electric energy metering device, and the capacitance compensation device are arranged in the housing. The housing is formed by a first rectangular part and a second rectangular part which is vertically arranged on the back surface of the first rectangular part. The high-voltage device, the low-voltage device, and the electric energy metering device are arranged in the first rectangular part. The capacitance compensation device is arranged in the second rectangular part. The box-type transformer substation occupies relatively small land.

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Номер записи: 41
04-01-2012 дата публикации

System and method for comprehensively examining wireless sensor network node

Номер: CN0101673420B
Автор: MENG HAIJUN, LI SHINING, LI ZHIGANG, HAIJUN MENG, SHINING LI, ZHIGANG LI
Принадлежит:

The invention discloses a system and a method for comprehensively examining a wireless sensor network node. The system comprises a wireless sensor network, a gateway node, a terminal computer, a base station and a handheld communication device, wherein the wireless sensor network comprises a plurality of wireless sensor nodes; the base station uploads data transmitted by the gateway node to the terminal computer; and the handheld communication device is operated by an examining technician. The method comprises the following steps: 1. a network is self-organized by the plurality of wireless sensor nodes and transmits monitoring data to the base station by the gateway node; 2. the base station judges whether the handheld communication device exists in a nearby region or not; 3. when the handheld communication device exists, the base station transmits the data to the handheld communication device to carry out abnormal judgment and common abnormal automatic recovery; and otherwise, the base ...

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Номер записи: 42
30-07-2014 дата публикации

Automatic polishing machine for sealing groove of rotary body

Номер: CN103949962A
Автор: CHEN JIAJIE, LIU QINGSONG, YU BING, MENG HAIJUN, ZHANG TAO, ZHU LEI, LI XIAO, DONG YACHAO, CHENG PENG, GE YUESHENG, ZHAN YUHUA
Принадлежит:

The invention discloses an automatic polishing machine for a sealing groove of a rotary body. The automatic polishing machine comprises a grinding and polishing device and a movable trolley, wherein the grinding and polishing device comprises a dust suction cavity, a dust suction device, a pair of operation arms and a pressure device, the two sides of the dust suction cavity are respectively provided with a support arm, each operation arm comprises a wheel brush, a swing arm, a driving wheel, a driven wheel, a transmission belt and a motor, one end of each swing arm is pivoted on each support arm, each wheel brush is pivoted on each swing arm through each rotary arm, each driving wheel is pivoted on each support arm and is coaxial with the pivoting center shaft of the swing arm which is pivoted with the support arm, each motor is used for driving each driving wheel, the pressure device is fixedly connected with the support arms, the output end of the pressure device is fixedly connected ...

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Номер записи: 43
13-01-2016 дата публикации

Admit air and preheat type cylinder end suitable for plateau diesel generating set

Номер: CN0204961097U
Автор: ZHANG JUNGANG, MENG HAIJUN, GUO ZHEN
Принадлежит:

The utility model discloses an admit air and preheat type cylinder end suitable for plateau diesel generating set for the cast member, is provided with the combustion chamber in the cylinder end, with communicating inlet channel in combustion chamber and exhaust passage, fixed mounting has a heater plug on the cylinder end, stretches into in the inlet channel after the cylinder end body passes in the portion of generating heat of heater plug. Add heating device - heater plug in advance in the cylinder end, when ambient temperature is lower, can start heating device earlier, to the heating of cylinder end inner chamber, make the air temperature that gets into in the cylinder end rise, when piston compressor combustible gas mixture, just can make diesel combustion very easily, satisfy the altitude environment operation requirement.

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Номер записи: 44
30-09-2015 дата публикации

Connection structure of box -type substation median septum

Номер: CN0204680934U
Автор: ZHENG JIANJIANG, MENG HAIJUN, FU AI
Принадлежит:

The utility model discloses a connection structure of box -type substation median septum, it includes the casing, is provided with the baffle that is used for the inside space separation of casing in the casing, has set firmly stand and brow on the inside wall of casing, baffle, stand and brow fixed mutually through a fastener. The utility model discloses make baffle, stand and brow fixed each other, increase the intensity of this box -type substation's frame.

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Номер записи: 45
23-06-2010 дата публикации

Pumping unit convenient for adjusting balance

Номер: CN0101748993A
Автор: CHEN HEBIN, MENG HAIJUN, ZHAO TONGJUN, HEBIN CHEN, HAIJUN MENG, TONGJUN ZHAO
Принадлежит:

The invention relates to a pumping unit convenient for adjusting balance, which belongs to the field of petroleum extraction machines. The pumping unit comprises a main motor, a speed changing box, a crank, a connecting rod, a stand, a walking beam, a fixed balance block and an adjusting mechanism, wherein the rear part of the walking beam is provided with the adjusting mechanism, and the adjusting mechanism comprises a movable balance block, a lead screw, an adjusting motor, a speed reducer and a control box. The movable balance block is connected with the lead screw and straightly reciprocates following the rotation of the lead screw. The lead screw is connected with the adjusting motor through the speed reducer, and an adjusting motor power line is led into the control box along the walking beam and the stand. The invention realizes that the movable balance block moves back and forth on the walking beam through controlling the positive rotation and the inverse rotation of the adjusting ...

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Номер записи: 46
25-06-2014 дата публикации

Shielding top cover

Номер: CN103886924A
Автор: LIU QINGSONG, YUAN JIE, YU BING, MA QINGJUN, MENG HAIJUN, CHENG PENG, SHI YINGJIE, LI LI, ZHAO BIN
Принадлежит:

The invention discloses a shielding top cover which covers an opening of a reactor pressure vessel to reduce nuclear radiation doses. The shielding top cover comprises an upper cover body and a lower cover body. The upper cover body comprises an upper-cover-body side wall and a cover plate arranged at the upper end of the upper-cover-body side wall, so that a cylinder with an open bottom is formed by the upper cover body. The lower cover body is a vertically communicated cylinder. The lower end of the upper cover body is hermetically and fixedly connected with the periphery of the upper end of the lower cover body. A lower flange corresponding to the reactor pressure vessel is arranged at the lower end of the lower cover body. During refueling and overhauling of the reactor pressure vessel, the shielding top cover covers the top of the reactor pressure vessel, so that shielding is enhanced, the radiation doses are reduced, radioactive substances inhaled by operators are reduced, the situation ...

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Номер записи: 47
15-12-2010 дата публикации

Sensing node circuit adapting to various sensors

Номер: CN0101917207A
Автор: SHINING LI, ZHIGANG LI, JUNYAN MA, HAIJUN MENG, LI SHINING, LI ZHIGANG, MA JUNYAN, MENG HAIJUN
Принадлежит:

The invention discloses a sensing node circuit adapting to various sensors. An environment parameter detection unit comprises various sensors and detects an environmental parameter in real time; a detected signal is acquired and processed through a central processor and stored in a data storage connected with the central processor; processed data is transmitted through a wireless radio frequency transceiving unit, a sub-miniature-A (SMA) antenna used together with the radio frequency transceiving unit and an impedance matching circuit connected between the radio frequency transceiving unit and the SMA antenna; and a power module supplies power to each power utilization unit. The circuit has the advantages of reasonable design, simple wiring, convenient installation, small size, light weight, good use effect, high practical value of a circuit board and capability of reducing the total number of node equipment needed in a network, and the used power module has reasonable design and reliable ...

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Номер записи: 48
30-12-2015 дата публикации

A there is not cold cutting device for nuclear power station pressure vessel kills bolt

Номер: CN0204912948U
Автор: CHENG PENG, YUE YONGSHENG, MENG HAIJUN, YU BING, HOU SHUO, LIU QINGSONG
Принадлежит:

The utility model relates to a there is not cold cutting device for nuclear power station pressure vessel kills bolt, include: fixing device for install on pressure vessel's the flange, the walking track is installed on fixing device, rotate drive arrangement, but round trip movement ground is installed on the track of walking, travel driving unit installs on the walking track to drive arrangement is connected with the rotation, rotates drive arrangement along walking track round trip movement in order to drive, controlling means is respectively with rotation drive arrangement, walking drive arrangement electric connection to the output shaft that drive arrangement was rotated in drive travel driving unit round trip movement of control travel driving unit and control rotates, cutter head assembly is with the output shaft who rotates drive arrangement to treat cutting bolt cutting. On cutting device installed the flange, occupation space was little, and the bolt that will kill on the flange ...

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Номер записи: 49
17-03-2010 дата публикации

System and method for comprehensively examining wireless sensor network node

Номер: CN0101673420A
Автор: MENG HAIJUN, LI SHINING, LI ZHIGANG, HAIJUN MENG, SHINING LI, ZHIGANG LI
Принадлежит:

The invention discloses a system and a method for comprehensively examining a wireless sensor network node. The system comprises a wireless sensor network, a gateway node, a terminal computer, a basestation and a handheld communication device, wherein the wireless sensor network comprises a plurality of wireless sensor nodes; the base station uploads data transmitted by the gateway node to the terminal computer; and the handheld communication device is operated by an examining technician. The method comprises the following steps: 1. a network is self-organized by the plurality of wireless sensor nodes and transmits monitoring data to the base station by the gateway node; 2. the base station judges whether the handheld communication device exists in a nearby region or not; 3. when the handheld communication device exists, the base station transmits the data to the handheld communication device to carry out abnormal judgment and common abnormal automatic recovery; and otherwise, the base ...

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Номер записи: 50
23-06-2010 дата публикации

Pipe trip safety monitor

Номер: CN0101748976A
Автор: MENG HAIJUN, WANG BAOFENG, HAIJUN MENG, BAOFENG WANG
Принадлежит:

A pipe trip safety monitor belongs to the field of petroleum mining equipment. The safety monitor consists of a circuit for detecting the spring stroke of a travelling block hook, a pin position detecting circuit, a circuit for detecting the tilt angle of the travelling block hook, a signal logic control circuit, a radio receiving and transmitting circuit, an instruction actuating mechanism and a power supply system. The circuit for detecting the spring stroke of the travelling block hook is provided with a Hall switch, and the detecting distance of the Hall switch is 5cm. A cylindrical permanent magnet of 2cm radius and 2cm thickness is arranged on the lower end surface of the travelling block hook. The circuit for detecting the tilt angle of the travelling block hook is provided with a dual-axis tilt switch, and the output switch of the dual-axis tilt switch is in an angle from 3 degrees to 5 degrees. The Hall switch is arranged in the pin, and a permanent magnet which is 2cm in length ...

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Номер записи: 51
11-05-2011 дата публикации

Underwater environmental monitoring wireless data acquisition and transmission device

Номер: CN0102052917A
Автор: Meng Haijun, Wu Xiaohua, Gao Tao
Принадлежит:

The invention discloses an underwater environmental monitoring wireless data acquisition and transmission device, which comprises an outer casing, a hydrologic information detection unit arranged on the outer casing and a circuit board installed inside the outer casing. A control unit connected with the hydrologic information detection unit, as well as a power supply unit and a radio frequency unit connected with the control unit, is arranged on the circuit board; the control unit is connected with the radio frequency unit through a data exchange and storage unit; and the radio frequency unit is in two-way communication with a ground base station. The hydrologic information detection unit comprises a plurality of sensors which are all connected with the control unit. The device has the advantages of low cost, timely and accurate data detection, safe use, reliable working performance, long service life and high intelligence level, is convenient for laying and maintenance, and can effectively ...

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Номер записи: 52