38results about How to "Normal measurement" patented technology

The invention provides a reference signal transmitting method, a receiving method and a device within a non-authorized frequency band. According to the invention, through increasing the transmitting chance of a DRS signal within the transmitting period of each reference signal, the phenomenon that reference signals cannot be continuously transmitted by an LTE system within the non-authorized frequency band is reduced or avoided. In this way, the transmitting / receiving of reference signals is ensured. Meanwhile, the normal RRM measurement of a terminal is ensured.

The invention provides a system and method for preventing terminal measuring and scheduling conflict. The method comprises the following step: when a terminal in the cell dedicated channel state uses the high speed downlink packet access service and a base station needs to use the high speed shared control channel on the time slot 0 to schedule the terminal, the terminal and the base station determine the system frames to be measured according to the same conditions, wherein the terminal carries out neighbor cell measuring only on the system frames to be measured, and the base station schedules the terminal only on other system frames except the system frames to be measured. The invention ensures that the terminal not only can complete normal measurement but also does not affect reception of the high speed downlink packet access data, namely avoiding conflict between terminal measuring and monitoring of the high speed shared control channel on the time slot 0, and the method has little effect on the whole measuring process and is easy to implement.

The invention discloses a zero line falling electricity larceny prevention metering device based on a reset prevention device. The metering device comprises a voltage sampling circuit, a current sampling circuit, a voltage channel ADC sampling pin, a current channel ADC sampling pin, a power failure detection pin, an analog comparator pin, an analog comparator circuit, a power failure detection circuit, an AC-DC circuit, a DC-DC circuit, a voltage transformer circuit and a metering microcontroller. An analog comparator function is added in the circuit, when the system operates, an output stateswitch of an analog comparator is turned on, the output state of comparison between the positive input end signal of the comparator and the REF end signal of a chip is read in an analog circuit stateregister, and whether the system carries out electricity stealing metering or dormancy metering is distinguished. The problem that the system is continuously reset and restarted due to insufficient power consumption of the whole system when the voltage coupled by the PT is in a critical point state is solved, and the normal metering of the system in each state is ensured.

The invention relates to a device for sampling parameters of an environment outside an underground shelter in a coal mine and a non-coal mine, which is used for sampling parameters of the environment outside an underground mobile lifesaving cabin or a fixed refuge cave in the coal mine and the non-coal mine. The device comprises an air circulation pipe, a gas sampling structure, a multi-parametersensor structure and a sampled signal outputting device; the air circulation pipe is arranged outside the movable lifesaving cabin or the fixed refuge cave; and a sensor used for sampling is arrangedin the mobile lifesaving cabin or the fixed refuge cave and used for sampling air convected through the air circulation pipe in the mine. The sampling device disclosed by the invention solves the problem that the multi-parameter sensor for measuring the parameters of the environment outside the mobile lifesaving cabin or the fixed refuge cave cannot be used normally because the sensor is easy to be damaged by the impact force and the explosion force from the underground explosion and other disasters in the coal mine and the non-coal mine and can guarantee that the sensor is not destroyed in underground explosion and other disasters, but can still normally measure the environmental parameters.

The invention, which belongs to the technical field of well logging in petroleum exploration, relates to a hydraulic driving device for driving an electrode telescoping ram. The hydraulic driving device comprises a drive assembly and a pressure transmission assembly; the drive assembly comprises a motor, a coupling and a ballscrew; the coupling connects the output end of the motor with the input end of the ballscrew; the pressure transmission assembly comprises a nut, a connecting barrel, a piston, a check valve and a pump barrel; the nut is mounted on the ballscrew, one end of the connecting barrel fixedly sleeves the nut, and the other end of the connecting barrel is fixedly connected with the piston; the piston is mounted in the pump barrel and divides the pump barrel into a front chamber and a rear chamber; the check valve is mounted in the piston; the rear chamber of the pump barrel communicates with an electrode telescoping ram through a tubing. The hydraulic driving device has a simple structure and high reliability, and moreover, the working efficiency of the hydraulic driving device is greatly increased in comparison with the working efficiency of the prior art.

The invention discloses a garden environment design telemetering system and method, and particularly relates to the technical field of garden environment design telemetering. The garden environment design telemetering system comprises a central processing module, a communication module is arranged at the connecting end of the central processing module, and a distance measuring module is arranged at the connecting end of the communication module; a hovering module, a camera module and an insect expelling module are arranged at the input end of the distance measuring module, a signal filtering module and a displacement deviation compensation module are arranged at the input end of the central processing module, and a storage module is arranged at the output end of the central processing module. According to the invention, a first unmanned aerial vehicle and a second unmanned aerial vehicle are utilized to complete signal transmission and reception so as to avoid manual installation of atarget, and the hovering module is utilized to stop the target at a proper position in the air, so that plants can be prevented from shielding signals, and smooth measurement can be guaranteed.

The invention relates to the field of medical devices, in particular to an anti-leakage mercurial sphygmomanometer. The anti-leakage mercurial sphygmomanometer comprises a storage box and an installation plate, a glass tube, a connecting block and a mercury pot are fixed to the installation plate, an air discharging outlet is formed in the upper portion of the glass tube, a connecting channel is formed in the connecting block, a first electric brush and a second electric brush are fixed into the connecting channel, a first electromagnet and a second electromagnet are fixed into the connectingblock, and a switch is arranged on the lateral wall of the storage box. A sealed groove is formed in the side wall of the connecting channel, a restricted spring and a sealing block are arranged in the sealed groove, an air cylinder is fixed to the side wall of the storage box, and a reset spring is arranged in the air cylinder. A pressure cylinder is fixed to one side of the storage box, a supporting spring and a pressure block are arranged in the pressure cylinder, and a pressure channel is formed in the pressure block. According to the anti-leakage mercurial sphygmomanometer, leakage of mercurial can be prevented.

The invention belongs to the field of soil layer measurement, and discloses an expansibility parameter in-situ testing device for expansive soil. The device comprises an upper top tray, a plurality ofwater injection pipes, a counter-force tray and a plurality of displacement meters. A plurality of water injection pipe mounting holes are formed in the upper top tray; one end of each water injection pipe is connected with the corresponding water injection pipe mounting hole, and a plurality of water injection holes are formed in the side wall of the other end; one end, connected with the corresponding water injection pipe mounting hole, of each water injection pipe is open; one ends of the displacement meters are connected with the counter-force disc, and the other ends are connected with the upper top tray. The upper top tray and the plurality of water injection pipes are arranged, the testing device is fixed in an in-situ expansive soil layer through the plurality of water injection pipes, during water injection, due to soil layer expansion, the water injection pipes play a good anchoring role, meanwhile, the counter-force tray is attached to the surface of the expansive soil layer, the expansion amount of the expansive soil layer is represented by measuring the displacement amount of the counter-force tray, in-situ measurement of expansibility parameters of the expansive soillayer is achieved, and the measured value is close to the actual situation as much as possible.

The invention relates to a distributed bridge wireless communication and measurement system, which comprises a data collection device, a data transmission device, a data transmitting and receiving device and a wireless communication method. The system data collection device is arranged at the bottom of a bridge or at the measuring point opposite to the wireless closed region, and can digitize the signals of a measurement object. And the data transmitting device can be used for transmitting the collected measuring data to the data transmitting and receiving device by the digital wireless communications. The distributed bridge wireless communication and measurement system realizes the wireless communications by the wireless transmitter. Since the invention adopts a distributed system, and the data collection device is arranged at the measuring point for the digitized conversion in site, the interference caused by cables arranged in the prior art can be reduced, thereby greatly saving time and cost during the measurement and improving the working efficiency, the measuring data of the measuring point can be converted in the digitized way, thereby guaranteeing the accuracy, reliability and stability of the measurement.

The invention relates to an optical current transformer anti-interference method and an optical current transformer system, wherein a current detection module is arranged; the optical current transformer and the current detection module detect current signals of the same line; when the optical current transformer vibrates, and the current signal detected by the optical current transformer replacedwith the current signal detected by the current detection module to output the current signal detected by the current detection module. The system ensures that the system works normally when the optical current transformer vibrates, eliminates the influence caused by vibration interference, avoids the misoperation of a relay protection device, and is very suitable for a power system, particularlya high-voltage grade system. According to the scheme, the structure of the optical current transformer is not modified, so that the detection precision of the optical current transformer is not influenced; and the modification is made from the source, no matter what vibration the optical current transformer is subjected to, the current detection module can output normal current signals in a modeof replacing the optical current transformer, so that the detection precision is improved.

The invention discloses a garden environment design telemetry system and method, specifically relates to the field of garden environment design telemetry technology, including a central processing module, the connection end of the central processing module is provided with a communication module, and the connection end of the communication module is provided with a distance measuring module, the input end of the ranging module is provided with a hovering module, a camera module and an insect repelling module, the input end of the central processing module is provided with a signal filtering module and a displacement deviation compensation module, and the output end of the central processing module is provided with a storage module. The present invention uses the first UAV and the second UAV to complete the signal transmission and reception to avoid manual installation of the target, and uses the hovering module to stop it at a suitable position in the air, thereby preventing plants from blocking the signal, and then To ensure smooth measurement.

The invention discloses a novel automatic water pipe type settlement meter measuring device which comprises an observation screen. Multiple observation pipes are arranged in the observation screen, and a temporary water tank is arranged behind the observation screen and communicated with the observation pipes; pressure sensors are installed under the observation pipes; the observation screen is connected with a water storage barrel assembly, and the water storage barrel assembly comprises a water storage barrel, a liquid level switch, a connecting pipe, a booster pump and a four-way valve, wherein the inner wall of the water storage barrel is provided with the liquid level switch, the bottom of the water storage barrel is provided with the booster pump, one side of the booster pump is connected with water storage barrel, and the other side of the booster pump is connected with the observation screen and an artificial water tank through the four-way valve. According to the novel automatic water pipe type settlement meter measuring device, a novel automatic water pipe type settlement meter is high in precision, accuracy and long-term stability, automatic monitoring on vertical displacement of an earth and rockfill dam is completely achieved, the measuring time and the measuring frequency can be separately set, manpower and material resources are saved, the measuring cost is lowered, the measuring precision is improved, and the device can be widely applied to internal vertical displacement monitoring of the earth and rockfill dam and other similar projects.

The invention relates to a combined linear flow velocity and temperature field measurement gun for flue gas in a flue. The measurement gun is mainly used for synchronously measuring the flow velocity and the temperature of the flue gas at each point in the flue according to different flue sectional areas, and belongs to an environment monitor. The measurement gun is formed by combining more than four pairs of S-shaped pitot tubes and temperature sensors, wherein a distance between measurement holes of measurement heads of every two adjacent S-shaped pitot tubes is 200mm; the part, which is 100mm away from the corresponding measurement head, of each S-shaped pitot tube is bent by a bending angle of 5 to 10 degrees; after the pitot tubes are bent, the centerlines of the measurement heads are parallel to the centerlines of tube bodies of the pitot tubes, and are at perpendicular distances of more than 15mm away from the centerlines of the tube bodies of the pitot tubes; the temperature sensors of which the lengths are the same as those of the S-shaped pitot tubes are arranged on the S-shaped pitot tubes. The measurement gun is simple in structure and convenient to operate; the problems, which cannot be solved by a conventional measurement gun, of synchronous measurement of linear flow velocity and temperature of the flue gas in the flue are solved, and the flow velocity and the temperature of the flue gas at multiple points in a pollution source-fixed flue are simultaneously and synchronously measured at an equal interval on the same section.

The invention relates to a device for sampling parameters of an environment outside an underground shelter in a coal mine and a non-coal mine, which is used for sampling parameters of the environment outside an underground mobile lifesaving cabin or a fixed refuge cave in the coal mine and the non-coal mine. The device comprises an air circulation pipe, a gas sampling structure, a multi-parametersensor structure and a sampled signal outputting device; the air circulation pipe is arranged outside the movable lifesaving cabin or the fixed refuge cave; and a sensor used for sampling is arrangedin the mobile lifesaving cabin or the fixed refuge cave and used for sampling air convected through the air circulation pipe in the mine. The sampling device disclosed by the invention solves the problem that the multi-parameter sensor for measuring the parameters of the environment outside the mobile lifesaving cabin or the fixed refuge cave cannot be used normally because the sensor is easy to be damaged by the impact force and the explosion force from the underground explosion and other disasters in the coal mine and the non-coal mine and can guarantee that the sensor is not destroyed in underground explosion and other disasters, but can still normally measure the environmental parameters.

A gap (39) is so formed that, even if dew condensation occurs therein, the water content is released therethrough by the weight of the dew condensation and by a negative pressure applied thereto from a fluid to be measured which flows through a measurement pipe. The gap (39) communicates with a transmitting / receiving space (41) for transmitting / receiving an ultrasonic. A plurality of projections are disposed on the outer surface of the other end part (45) at equal pitches to keep the state of the gap (39). A plurality of housing through-holes (42) are so formed inside a housing (35) as to extend through the inner surface and the outer surface thereof.

The automatic tantalum capacitor detection device comprises a manipulator, a lifting mechanism is arranged at the end of the manipulator, the bottom end of the lifting mechanism is connected with a suction nozzle, the suction nozzle is located below the manipulator and connected with a negative pressure source through a pipeline, an industrial camera is further arranged on the outer side of the end of the manipulator, and a light source is arranged below the industrial camera; a test board is arranged on one side of the manipulator, a to-be-tested station is arranged above the test board, a socket is arranged on the side face of the test board, and the socket is connected with a plug of a detection instrument in a pluggable mode; a feeding disc is arranged on one side of the test board, a discharging disc is arranged on one side of the feeding disc, and the mechanical arm, the lifting mechanism, the negative pressure source, the industrial camera, the light source, the detection instrument and the feeding disc are electrically connected with a controller. The device realizes the automatic detection of the tantalum capacitor performance, improves the detection efficiency, reduces the burden of workers, and prevents the tantalum capacitor from being damaged in the detection process.

The invention relates to a foot tester with a comprehensive shooting function and belongs to the technical field of foot measurement. The technical scheme is characterized in that the foot tester comprises a transparent carrying plate, multiple first shooting devices, an imaging part and a second shooting device, wherein the carrying plate is mounted on a carrying surface of a base and used for carrying a human body; the multiple first shooting devices are mounted on the circumferential side of the base, connected with terminal equipment and used for shooting feet of the human body on the carrying plate; the imaging part is mounted on one side of the interior of the base, forms a preset inclination angle with the bottom wall of the base and is used for reflection imaging of the bottom of an object placed on the carrying plate; and the second shooting device is installed on the side, away from a reflection part, of the interior of the base, connected with the terminal equipment and usedfor shooting an image at the imaging part. The foot tester can comprehensively shoot the feet of the human body during use, so that the accuracy of foot measurement data can be improved and the userexperience can be enhanced.

The invention provides a fault-tolerant measurement estimation method of cabin pollutant concentration. The fault-tolerant measurement estimation method of the cabin pollutant concentration comprisesthe steps of: setting sensors used for measuring the pollutant concentration at the pre-set positions of a cabin, and forming a wireless sensor network by the sensors, wherein the sensors include primary sensors and secondary sensors forming measurement nodes; the pre-set positions of the cabin include one or more positions selected from a group consisting of a window, the top of the cabin, the bottom of the cabin and a seat; and the measurement nodes formed by the primary sensors and the secondary sensors are used for performing estimation processing on measurement information; obtaining measurement results of the sensors in the wireless sensor network, including: obtaining a measurement result of the primary sensors and obtaining a measurement result of the secondary sensors; and obtaining optimal estimation of the actual pollutant concentration by using the fault-tolerant measurement estimation method. The fault-tolerant measurement estimation method of the cabin pollutant concentration provided in the invention has better fault-tolerant estimation capability in interference and path loss conditions.

The invention provides a semiconductor structure and the preparation method thereof. The semiconductor structure comprises a substrate, a first well region having a first doping type formed in the substrate, a second well region having a second doping type and a third well region having a first doping type, wherein the second well region is disposed between the first well region and the third well region; a source lead-out region formed in the first well region, a drain lead-out region formed in the third well region; and a field oxide region and a gate oxide region covering the surface of the substrate and disposed adjacent to each other; wherein the field oxide region is located above the substrate between the source lead-out region and the drain lead-out region, and the thickness of the field oxide region is greater than that of the gate oxide region. The semiconductor structure further comprises a gate region formed on the field oxide region, wherein the gate region completely covers the second well region, and covers only part or all of the field oxide region without covering the gate oxide region. The semiconductor structure provided by the present invention can satisfy the normal measurement of the threshold voltage of the semiconductor structure.

The invention provides a system and method for preventing terminal measuring and scheduling conflict. The method comprises the following step: when a terminal in the cell dedicated channel state uses the high speed downlink packet access service and a base station needs to use the high speed shared control channel on the time slot 0 to schedule the terminal, the terminal and the base station determine the system frames to be measured according to the same conditions, wherein the terminal carries out neighbor cell measuring only on the system frames to be measured, and the base station schedules the terminal only on other system frames except the system frames to be measured. The invention ensures that the terminal not only can complete normal measurement but also does not affect reception of the high speed downlink packet access data, namely avoiding conflict between terminal measuring and monitoring of the high speed shared control channel on the time slot 0, and the method has little effect on the whole measuring process and is easy to implement.

The invention is suitable for the technical field of water temperature monitoring, and provides a running water body temperature monitoring device, comprising: an anchoring module for fixedly connecting the bottom of a water body; a measuring module which is used for measuring the temperature of the water body and is mounted on the anchoring module; and a power supply module which is used for supplying power to the measuring module and installed on the measuring module. The anchoring module comprises a base, a supporting anchoring rod and an upper cover and further comprises a middle cover plate, a connecting rod and an inclined anchoring rod, the measuring module comprises a shell, a temperature sensor, a controller, a water level sensor and a balancing weight, and the power supply module comprises a power source, a generator, fan blades and a tail wing; the equipment can be stably fixed at the bottom of a flowing water body through the arrangement of the anchoring module; the measuring module is arranged, the water level is monitored through a water level sensor, and when the water level is low, data entry is actively stopped, entry is recovered when the water level is normal, and interference to a result is prevented; the power supply module is arranged, water flow can be used for generating power, long-time operation of the equipment is guaranteed, and the water temperature is continuously recorded.

The invention belongs to the technical field of land surveying and mapping, and particularly relates to a river depth measuring device for land surveying and mapping. The winding drum is rotationally mounted at the top of the fixed seat; a pair of cotton ropes are arranged, the cotton ropes are wound on the winding drum, and one end of each cotton rope is fixedly connected with the winding drum; the plumb bob is fixedly connected with the other end of the rope; in order to solve the problems that a measuring tool is difficult to keep in a vertical state during measurement in a deep river with urgent water flow, the depth of the river is calculated according to the length read on the measuring tool and the included angle between the measuring tool and the vertical direction when the measuring tool is in an inclined state, but the bottom of the river mostly has a certain gradient, and the measuring tool is inconvenient to measure. And the calculated depth of the river ditch is not accurate. According to the invention, through the arrangement of the pair of ropes, the depth of two points in the river can be measured at the same time, the terrain of the river can be judged, multi-point measurement can be carried out according to the terrain at the bottom of the river, and the depth of the river can be accurately measured.

The invention relates to an optical current transformer anti-interference method and an optical current transformer system, wherein a current detection module is arranged; the optical current transformer and the current detection module detect current signals of the same line; when the optical current transformer vibrates, and the current signal detected by the optical current transformer replacedwith the current signal detected by the current detection module to output the current signal detected by the current detection module. The system ensures that the system works normally when the optical current transformer vibrates, eliminates the influence caused by vibration interference, avoids the misoperation of a relay protection device, and is very suitable for a power system, particularlya high-voltage grade system. According to the scheme, the structure of the optical current transformer is not modified, so that the detection precision of the optical current transformer is not influenced; and the modification is made from the source, no matter what vibration the optical current transformer is subjected to, the current detection module can output normal current signals in a modeof replacing the optical current transformer, so that the detection precision is improved.

The invention provides a reference signal transmitting method, a receiving method and a device within a non-authorized frequency band. According to the invention, through increasing the transmitting chance of a DRS signal within the transmitting period of each reference signal, the phenomenon that reference signals cannot be continuously transmitted by an LTE system within the non-authorized frequency band is reduced or avoided. In this way, the transmitting / receiving of reference signals is ensured. Meanwhile, the normal RRM measurement of a terminal is ensured.

The invention finds that the light leakage of a light-sensitive element causes a significant change in amplitude of noise of a output signal and frequency of the noise of a light-sensitive element. The noise and change information is extracted by waveform sampling and analysis of the limited sampling rate, thereby guessing whether the light-sensitive detector leaks light. The invention provides alight-proof detection device and a detection method for a light-sensitive detector based on such a detection method, the device comprises a light-proof box for placing a detector, a light strip for generating brightness light arranged in the box, a shaping amplification trigger circuit located outside the box and connected to a output end of the detector, and a signal acquisition circuit connectedto the shaping amplification trigger circuit; the light strip is controlled by a light strip controller outside the box. The above-mentioned light-proof detection device can detect the light-proof degree of light-sensitive detector and can detect the light leakage position of the light-sensitive detector.

The invention provides a battery monitoring terminal for monitoring the state of a battery. The battery monitoring terminal comprises a measurement module provided with an acid-proof structure and used for measuring the state information of the battery; an information processing module used for processing the state information of the battery; and a wire main body, wherein one end of which is connected to the measurement module, and the other end of which is connected to the information processing module for transmitting the state information output by the measurement module to the informationprocessing module. The battery monitoring terminal provided by the invention has good acid resistance and water resistance, and can normally monitor the state of the battery in a harsh working environment.

This invention provides one ion test device humidity remove method and its test device, wherein, the method comprises the following steps: a, processing anti-humidity and remove on polarization insulation socket; b, processing air isolation on charge amplifier or anti-humidity; c, processing the end anti-humidity, insulation and remove connected to the shield signal wire and ion collection board. This invention processes anti-humidity and remove and insulation through ion polarization board, ion collection board, charge amplifier and shield signal wire end.