80 results about "Radiation survey meter" patented technology

The invention relates to an omnibearing measurement device and method for a tunnel TSP (Total Suspended Particulate) geometric parameter. The device comprises a depth measuring scale, wherein the depth measuring scale and a pitch measuring scale are vertically arranged and can be connected in a sliding mode by virtue of an annular fixer; the end part of the depth measuring scale is provided with a water level base; the water level base is spirally connected with and mediates a circular water level by virtue of a plurality of pins; the circular water level is vertically connected with a heightmeasuring scale by virtue of a vertical fixer; the water level base is connected with an extending plate; the water level base and the extending plate are parallel to the depth measuring scale; and the circular water level is provided with a dip angle survey meter. According to the omnibearing measurement device, the TSP shotpoint geometric parameter can be simultaneously measured. The omnibearing measurement device adapts to the complex measurement environment of the tunnel, the measurement method is simple and accurate, and the measurement time is saved.

The invention relates to medical examination equipment, and provides a waistline and hipline measuring device and a human body basic parameter automatic survey meter. The waistline and hipline measuring device comprises a box body as well as a tape measure, a drive motor, a photoelectric counter, a tape measure motion guiding device, a trigger switch and a drive main board which are arranged inside the box body, wherein fine holes are formed on the tape measure at a certain interval; and the photoelectric counter is in communicating connection with the drive main board. Compared with the existing human body basic parameter automatic survey meter, the human body basic parameter automatic survey meter provided by the invention has the advantage that the waistline and hipline measuring device is additionally arranged, thus the function of measuring the value of waistline/hipline is added. When the device is adopted in medical examination measurement, the device is non-toxic and harmless, easy and quick, civilized and open, and polite and appropriate, thus achieving a measurement mode which is not tabooed in common situations; and particularly the basically automatic measuring function, under cooperation of prompt of Chinese characters and patterns, the device is also suitable for self-measurement modes of 'health cabin', 'community medication' and the like.

The invention provides a containment filtering and discharging system capable of carrying out a passive operation for a long term. The outlet pipeline of a prefilter in the containment is connected with one end of a containment isolating valve; the other end of the containment isolating valve is simultaneously connected with an active path and a passive path; the active path and the passive path are simultaneously connected with the inlet of a washing filter; the outlet of the washing filter is connected with the tube pass inlet of a steam condenser; the tube pass outlet of the steam condenser is connected with a steam-water separator; the shell side of the steam condenser is provided with a cooling air flue along a vertical direction; the top outlet of the steam-water separator is communicated with atmosphere after being connected with a discharge isolation valve, a restriction orifice and a radiation survey meter in sequence; the bottom outlet of the steam condenser and the condensate reflux inlet of the steam-water separator are connected with a main return tube after being connected with a drain valve and a No.1 check valve in sequence; the end part of the main return tube is connected with the washing filter after being connected with a No.2 check valve and a No.2 isolation valve in sequence. Under serious accidents, the long-term filtering and discharging of the containment can be met.

The invention relates to a converter body survey meter in the converter body maintaining area and its measure method, the converter body survey meter includes measuring fulcrum bar, two fulcrum bar, wheel measuring fulcrum bar, two can change measuring fulcrum bar, which feature is that the measuring fulcrum bar activity connects with the wheel measuring fulcrum bar, the two fulcrum bar separately fixed on the two ends of the wheel measuring fulcrum bar. The measure method is that after the converter body survey meter enter the furnace, pull the fulcrum bar on the specify position to keep the wheel measuring fulcrum bar vertical with the measuring fulcrum bar, using the fixed pin fix the wheel measuring fulcrum bar in the wheel measuring fulcrum bar pipe position after the wheel measuring fulcrum bar completely contact with the furnace lining, measuring the vertical length from the wheel measuring fulcrum bar center to the top of the change measuring bar. The benefit of the invention lies in: the simple making, agility operating, can save the cost of purchase the special purposes measuring instrument, can efficiently reflect the furnace lining erosion condition.

The invention relates to a method for detecting hydrophobic nature of a composite insulator based on dynamic contact angles. The method is characterized by comprising steps of photographing a contact angle meter at the position perpendicular to a plane where an umbrella skirt or a protecting bush is located through a digital camera or a camera lens, an industrial camera and an image acquisition card to obtain a water drop image, continuously shooting through injection of deionized water to obtain a series of water drop images, calculating out an advance angle theta A through a survey meter, then continuously shooting through extraction of water drops to obtain a series of water drop images, and calculating out an advance angle theta R through the survey meter. The method for detecting the hydrophobic nature of the composite insulator based on the dynamic contact angles has the advantages of (1) high calculating accuracy which represents that influences of roughness of the surface of a material and solute settling on the surface can be restrained to some extent, and an receding angle can better reflect the hydrophobic nature of the surface of the material particularly; and (2) high calculating stability which represents that fluctuations among a plurality of measurement results are small, and calculating stability is high due to the fact that the influence of hysteresis phenomena on measurement of the contact angles are restrained.

The measurement equipment of fluorescence afterglow includes excitation light source, exposure control device for controlling sample exposure, dark box for exposure and measurement, sample seat mounted on the dark box, afterglow detector mounted in the dark box for receiving sample afterglow signal and measuring meter connected with outupt end of afterglow detector. When it is worked, under the control of the exposure control device, said sample can be irradiated by excitation light source and exposed, after the exposure is completed, said sample can continuously release fluorescence afterglow, said afterglow can be received by afterglow detector, the afterglow light signal can be converted into electric signal, and inputted into the measuring meter, the afterglow luminance and afterglow duration parameter values can be displayed on the meter.

The invention discloses a strong electric field survey meter, which is capable of surveying strength and direction of an electric field, and belongs to the field of electric field survey. The device comprises a direction surveying part, a strength surveying part and a rotary ring rotating speed surveying part, wherein the direction surveying part consists of metal electrodes, a strong magnet, a small iron ball communicated with an external power supply, a double-sided reflector and a metal rod; when in the electric field, the electrified metal electrodes at two ends freely rotate, and the direction surveying part indicates the direction of the electric field; the strength surveying part comprises a fixed ring and a rotary ring which are made of an insulating material, a rotary metal electrode and a fixed metal electrode which are made of a conductive material and two reflectors; and the rotating speed of the rotary ring is surveyed by a counter after an extraction electrode extracts current. The electric field surveying device is not affected by external conditions, can survey both a uniform electric field and a non-uniform electric field, has wider range of electric field strength surveying, and in particular has higher surveying accuracy when the strength of the electric field is higher. The materials are common, have low cost, and are easy for batch production.

The invention relates to a conductance survey meter, which belongs to the technical field of measurement and identification facilities for coin and articles to the coin. A reference signal is led out between a signal source and an AC constant current source, and is input into the input terminal for reference signal of a phase sensitive circuit through a phase shift circuit; a detection signal is extracted from the detection circuit and is input to an input terminal for detection signal of the phase sensitive circuit through an amplifying circuit; an output terminal of the phase sensitive circuit is connected with the signal input terminal of a CPU chip; an output terminal for detection result of the CPU chip is connected with a display circuit for outputting and displaying the detected conductivity obtained through operation. Compared with the prior art, the conductance survey meter has the advantages that no additional magnetic material is needed in and around the detecting coil; furthermore, as a comparison method is adopted for a shadow coin discriminator, and an absolute measuring method is adopted in the conductance survey meter, effects from external factors can be reduced to the lowest level.

The invention discloses a portable large-sized flange plane survey meter, which comprises a base, wherein a basal plane adjustment platform is arranged above the base; a supporting leg for support and fixation are horizontally arranged on the side face of the base; a connecting post vertical to the upper surface of the basal plane adjustment platform is arranged on the basal plane adjustment platform; the lower end of the connecting post is connected to the basal plane adjustment platform in a rotatable way; a rocker is horizontally arranged at the upper end of the connecting post; one end of the rocker is connected with a connecting rod; and a centimeter is arranged below the connecting rod. The portable large-sized flange plane survey meter is used for detecting and measuring a large-sized flange plane on site, greatly reduces labor time and labor intensity of workers, has accurate measurement data, is easy and convenient to disassemble and assemble and provides an extremely simple, convenient and accurate measurement method for certain shipyards without on-site processing equipment.

The invention provides a gravel material moisture content on-line automatic detection instrument. The automatic detection instrument comprises a granule feed hopper, a survey meter; an installation opening is arranged on the bulkhead of the granule feed hopper, a casing pipe passing the installation opening is welded and fixed on the internal sidewall of the casing pipe and the internal periphery wall of the installation opening; a mounting pipe is arranged in a through mode inside the casing pipe, and is connected in an abutting mode with the external wall of the mounting pipe by the three tightening screws arranged in the circumference of the lateral wall of the casing pipe; resigning bores are arranged in the corresponding location of the casing pipe and the mounting pipe, a bolt passing the resigning bores is connected with screw nuts and the casing pipe and the mounting pipe are fixed by the bolt; a sensor is arranged inside the casing pipe, the front end passing the casing pipe and situated in the granule feed hopper is exposed in the granule feed hopper; a ceramic panel is arranged on the front end of the sensor; the sensor by a RS-485 interface is connected to a display recording instrument; the capacitance of the ceramic panel is caused of change by the moisture content of the gravel, and microwave power attenuation signals are generated by the sensor.

The invention discloses an automatic control device of electrode deep insertion of a submerged electric furnace, comprising an electrode lifting mechanism for lifting the submerged electric furnace, a resistance survey meter for measuring the electrode deep insertion resistance of the submerged electric furnace and a controller, wherein the controller is respectively connected with the electrode lifting mechanism and the resistance survey meter to compare the resistance obtained by measurement of the resistance survey meter with a preset resistance so as to obtain a resistance difference, and the electrode lifting mechanism is controlled to lift the electrode according to the resistance difference only when the resistance difference exceeds to a preset resistance difference threshold valve and the duration time thereof exceeds preset duration time. The automatic control device of electrode deep insertion of the submerged electric furnace in the invention can effectively improve production stability of the submerged electric furnace, lower impact to grid, reduce electrode consumption, lessen electric consumption, improve production environment and lighten environment pollution.

The invention discloses a card feeding mechanism for multi-project survey meter and card feeding method thereof. The card feeding mechanism includes a turntable; along the radial direction of the turntable are equipped with a number of card loading tongues that hold reagent, at one end of the card loading tongue is a socket that extends to the edge of the turntable; a turntable-driving device that connects with the turntable and drives the turntable to rotate around an axis; at least two deposit boxes, each deposit box is placed at the periphery of the turntable along the peripheral direction; the outlet of each deposit box can align with the socket of a card loading tongue; a card feeding device, is located at the periphery of the turntable, the feeding device includes a card-dialing part that can approach the socket along the radial direction of the turntable or moving away from the socket; a swinging device, that connects with aforementioned feeding device and drives the card feeding device to rotate around the axis to arrive at different deposit locations; the rotating axes of the turntable and the card feeding device coincide. The present invention can reduce large amount of redundant structures and designs, thereby saving the costs and enabling the overall structure of the multi-project survey meter to be more compact. The present invention can be applied to fluorescence detection.

The invention belongs to the radiation monitoring technology field and discloses a dose rate survey meter based on dual hemisphere tellurium zinc cadmium detector and dual preamplifier. The dose rate survey meter includes a detector system, a signal processing system and a control circuit system. The detector system comprises two hemispherical CZT crystals, a preamplifier and a circuit board. The control circuit system comprises a high voltage power supply module, a low voltage power supply module, a portable module power supply and a battery management chip. The signal processing system comprises a plurality of digital channels with two channels, a signal processing software, a liquid crystal touch screen and a computer. The dose rate survey meter can achieve high resolution and high detection efficiency.

The invention discloses a ship posture warning device and a ship posture warning method. The ship posture warning device comprises water level survey meters, a comparator, a monitoring display device and a warning device, wherein the water level survey meters are symmetrically mounted at the two sides of the ship body, and the output ends of the water level survey meters are connected with the comparator, the monitoring display device and the warning device which are arranged in a control chamber. The ship posture warning method comprises the following steps of 1) setting prewarning values, respectively, 2a) comparing the difference value of immersed depth data at the two sides of the ship body with the prewarning value of a heeling angle by the comparator, and warning by the warning device when the difference value reaches or exceeds the prewarning value of the heeling angle, and 2b) displaying a real-time monitoring state and giving an audible and visual alarm by the monitoring display device. The ship posture warning device and the ship posture warning method are capable of prewarning the heeling angle of the ship and protecting the ship from the danger of overturning due to overranging heeling.

The invention relates to a thermostatic control device used in a distributed optical fiber temperature sensor system and a thermostatic control method thereof, characterized by comprising a temperature control apparatus; a heat insulation thermotank; a first temperature survey meter, arranged on the inner wall of the heat insulation thermotank and connected with the temperature control apparatus; a heat exchange bottom plate, arranged on the inner wall of a first side plate of the heat insulation thermotank; at least one refrigerator, which is arranged on the first side plate of the heat insulation thermotank, and is provided with a signal input end being connected to the temperature control apparatus as well as a cold end being connected to the heat exchange bottom plate.; at least one heater, the signal input end of which is connected with the temperature control apparatus, arranged on the first side plate of the heat insulation thermotank and connected with the heat exchange bottom plate. Compared with the prior art, the invention has the advantages of high control precision and strong adaptability.

The present invention provides a multiband reconfigurable underground radar profile survey meter system for the ground and underground monitoring. The system comprises a base band synthetic aperture radar (SAR) subsystem, a RF transceiver subsystem for emitting and receiving multiple waves, a scanning subsystem for ground and underground monitoring and a power supply including an electric management mode for providing electric power.

An ultra-short pulse width self-correlation survey meter based on an optical fibre device comprises a fibre optic coupler of 1:1, a first fibre collimator, a first high reflection mirror, a first optical fibre polarization controller, a second fibre collimator, a second high reflection mirror, a micro platform, a second optical fibre polarization controller, a third fibre collimator, a KTP frequency doubling crystal, a large core fibre, a spectrometer and a computer. The invention has the advantages of compact structure, simple adjustment and convenient use.

A kind of third-order correlation survey meter used for measuring third harmonic of strong laser burst , which includes: on instrument's soleplate, along incident beam G heading direction, in turns fix first pinhole diaphragm, second pinhole diaphragm, octonal crystal and beam splitting piece. Incident beam G divide into two bundle ray after passing this beam splitting piece: transmitted light bundle G [ T] and reflected beam G [ F]; transmitted light bundle G [ T] pass by time tardy first rectangular reflect mirror, second reflector, half-wave plate, third reflector, then arrive short coke lens; reflected beam G [ F] passing by fourth reflector, second corner rectangular reflect mirror, then arrive the short coke lens, and with transmitted light bundle G [ T] at the same time met on harmonic crystal; along progressive direction of third harmonics beam G [ S] generated by this overtone crystal, at soleplate in turns fix filter plate, scaling attenuation piece and detector.

The invention relates to a tool for checking tire molds, in particular to a workbench measuring circular degree and curvature of tire molds. The invention provides a device with simple structure and convenient use, which can completely cover the components needing check so as to obtain equipments with data being absolute values. The tool comprises a stand (13) that is provide with a rotary table (31) at one side and a stand widening angle iron (1) at the other side; the stand widening angle iron (1) is provided with a support pillar that is provided with an infrared circularity survey meter (32); the rotary table (31) is provided with a circularity correcting mechanism and a plane correcting mechanism; the rotary table (31) is further provided with a main shaft (27); and the rotary table (31) is movably connected with the stand (13) via the main shaft (27). After the structure is used, tire molds can be rotated to proper positions, and plane correction and circularity correction are carried out according to the shape of tire molds and the requirements of detection. The up-and-down movement of the circularity survey meter can be used for full correction.

The invention relates to a tourniquet with good usage effect, wherein, the invention comprises an aerated zone with a gas bag, a gas filled tube is connected to the aerated zone and communicated with the aerated zone, a Doppler blood vessel survey meter is connected to the gas filled tube and communicated with the gas filled tube, a Doppler probe is arranged on the Doppler blood vessel survey meter, a pressure meter is arranged on the Doppler blood vessel survey meter, the gas filled tube is communicated with the pressure meter, a charging device is arranged on the Doppler blood vessel survey meter, and the gas filled tube is communicated with the charging device.

This invention discloses a area distributed drain building cavity erosion detecting system. The system is made up by sensor, transmission cable, analysis system, early warning and alarm system. One fiber optic sensor is reticular laid on two cross section of building surface, two fiber optic sensors are connected to fiber vibration survey meter through optical cable, the meter transfers the vibration signal to signal processing and analysis module, and the module decomposes the signal into high frequency component and low frequency component, and output corresponding self power spectrum and cross correlation spectrum, the high frequency signal is sent to cavitation early warning system, the low frequency signal is sent to cavity erosion grade alarm system. The detecting range is wide, diagnose accuracy rate is high, durability is good, regional synchronous cavitation cavity erosion detecting can be realized. The forward end of fiber optic network is passive, all supplying equipments and detecting equipments are in control room in distant, execution and running is convenient.

The invention discloses a portable alpha and beta surface contamination survey meter which comprises an alpha and beta probe and a control system. A plastic scintillator coated with ZnS(Ag) is adopted as a detection element of the alpha and beta probe, a two-sided aluminized polyester film is adopted as a light shielding layer, and air is adopted as light guide. The portable alpha and beta surface contamination survey meter adopts integrated design, and is large in measurement area, high in sensitivity, compact in structure, light and convenient to carry.

The invention discloses a survey meter for measuring the symmetry degree of the two sides of a guide post key groove relative to the axis of the valve guide hole of a cylinder cover. A dial indicator is inserted into a hole with an open cover on a gauging plate and is tightly fixed with a fastening screw; the dial indicator reserves a 0.5 mm compression allowance; a T-shaped dial indicator measuring head is tightly screwed in the screw hole of the measuring bar of the dial indicator; cylindrical pins are seamlessly inserted into the valve guide hole; the excircles of the cylindrical pins simulate the axis of the valve guide hole as a reference; one side of the T-shaped dial indicator measuring head extends into the guide post key groove and leans on the right side of the guide post key groove; the longitudinal surface of the gauging plate leans against the excircles of the two cylindrical pins, which are used as a reference; data is displayed as a after the dial indicator is compressed; the survey meter rotates for 180 degrees, and then the left side of the guide post key groove is measured with the same method; the data is displayed as b after the dial indicator is compressed; and the error data of the symmetry degree of the two sides of the guide post key groove relative to the axis of the valve guide hole of the cylinder cover is the difference of |a-b|. The survey meter has the advantages of convenient and quick measurement and accurate measured data.

The invention relates to an intelligent type survey meter for the sun angle including azimuth and elevation angle, which comprises three groups of photocell detectors; the photocell detectors are respectively connected to the corresponding voltage amplifiers through current voltage converting circuits; the three groups of voltage amplifiers are connected with data signal processors respectively; the data signal processors are connected with three groups of motor drivers through the three I/O ports which output high and low levels; the motor drivers are connected to the corresponding X, Y and Z direction step motor; the step motors are respectively connected with drivers through stroke switches; the output end of each group of driver is connected to a data signal processor; and the three groups of photocell detectors are respectively fixed on the output shaft of the X, Y and Z direction step motor. The invention achieves the advantages of high precision, high anti-interference capability, ultralow power consumption, stable working and high cost performance.