49results about How to "Guaranteed detection stability" patented technology

The invention discloses a flexible gallium oxide-based solar-blind ultraviolet photoelectric detector and a preparation method thereof. The preparation method specifically comprises the following steps: preparing a gallium oxide micron band material by utilizing a vapor deposition method, by taking the band material as a light-sensitive material of solar-blind ultraviolet light, transferring the gallium oxide micron band material onto a flexible substrate, and preparing metal electrodes at two ends of the gallium oxide micron band by combining masking and vacuum coating methods so as to finally obtain the flexible gallium oxide-based solar-blind ultraviolet photoelectric detector. According to the preparation method disclosed by the invention, the flexible gallium oxide-based solar-blind ultraviolet photoelectric detector is prepared first by combining the flexible gallium oxide micron band material with the flexible substrate, and the device has the bending characteristic aiming at characteristic response and flexibility of the solar-blind ultraviolet light. The flexible detector has repeated bending restorability and can be applied to the fields of wearable detection equipment, curved screen interaction equipment, bionic tissues and the like. Moreover, the convenience and freedom degree of arrangement and design of the solar-blind photoelectric detection system can be greatly improved.

The invention discloses a detection kit and detection method for KRAS gene mutations, and belongs to the technical field of B2D10 currently first developed high-tech industrialization important field guide / biology / novel medical precise diagnosis and treatment equipment. The detection kit is characterized by comprising eight pairs of specifically amplified primers for KRAS gene mutation loci, two efficient blocking probes of a wild sequence and two KRAS gene specific TaqMan fluorescent probes. The kit can detects specimens of which the number of the mutant copies is as low as 5 to 10, and the mutation content is as low as 0.1%. The detection kit can detect five gene mutations of a KRAS gene simultaneously, the sensitivity is high, operation is easy, detection is low in price, the clinical application range is wide, samples can adopt fresh pathological tissue or paraffin-embedded tissue or a pleural fluid or serum or plasma, the detection speed is high, and only 90 minutes are needed for completing the detection process.

A double-tube side-by-side type quartz tuning-fork enhancing type photoacoustic spectrometry detection apparatus comprises a laser, a focusing lens, a collimating lens, a gas sample pool, a lock-in amplifier, a laser controller, a function generator, a control hose, a frequency tracking controller, and a preamplifier electrically connected with a quartz tuning fork output terminal. Two same optical paths are respectively subjected to collimation and focusing, then enter miniature tubes, are focused at the focus at the central parts of the miniature tubes, and respectively generate opto-acoustic signals. The gas sample pool is provided with a mounting base, two miniature tubes are symmetrically arranged at the sidewalls of the mounting base, the quartz tuning fork is arranged at the bottom of the mounting base, and the tuning fork arm of the quartz tuning fork is parallel to or perpendicular to the miniature tubes. The central position of each miniature tube is provided with a slit corresponding to a notch or the tuning fork arm of the quartz tuning fork, and when working, the quartz tuning fork is subjected to the sound pressure effect of the miniature tubes at two sides at the same time, and the signal intensity is enhanced. The apparatus also is provided with a constant-temperature water hole at the bottom of the mounting base for keeping quartz tuning fork properties stable.

The invention provides a detection method of an automatic scanner using laser positioning for welded seam detection. According to the technical scheme, a walking control mechanism is adopted to control a waling mechanism to move so that a scanning mechanism arranged on the walking mechanism can be driven to automatically move and scan, and meanwhile, a distance measuring device is matched with a positioning reference device to ensure that the walking mechanism walks straight. By the adoption of the detection method of the automatic scanner using laser positioning for the welded seam detection,automatic scanning operation can be reliably and stably conducted without building positioning rails, linear scanning can be automatically conducted after the scanner is started, overmuch human involvement is unnecessary, usage is easy and convenient, requirements for detection staff are reduced, bad effects caused by manual misoperation are avoided, the detection efficiency is greatly improved,the labor intensity, the labor cost and the requirements on staff's techniques are reduced, and the detection period is shortened; automatic detection replaces manual detection, so that detection stability and reliability are ensured, and the detection method of the automatic scanner using laser positioning for the welded seam detection can be applied to scanning work at great heights or in severeenvironments.

The invention discloses an internal flatness detection device suitable for hydraulic pipe fitting production. According to the device, a movable sleeve is installed at the inner end of a base body sleeve in a nested mode to form a telescopic structure, a threaded butt joint piece is installed on the inner side of the movable sleeve in a penetrating mode, and a traction rope is in butt joint with the upper end of the movable sleeve; wherein the tail end of the traction rope is in butt joint with the outer end of the base body sleeve, a guide groove is formed in the outer side of the base body sleeve, and the base body sleeve is in butt joint with a connecting piece through the guide groove. According to the internal flatness detection device suitable for hydraulic pipe fitting production, a user only needs to hold a movable sleeve to move along the interior of a self-positioning base body sleeve, and then a contact piece can be driven to synchronously move outwards along the inner wall of a pipe fitting from bottom to top in an attached mode; when a user touches an uneven position, the stressed contact piece is matched with repulsive thrust between the magnet pieces to enable the buffer piece to be in contact with the contact switch, so that the buffer piece is matched with the buzzer to carry out accurate alarm work at the corresponding position, and thereby the user can rapidly repair a mark at the corresponding position.

The invention discloses an adjustable photoelectric double-pulse laser-induced breakdown spectrometer which comprises a clamping plate, a moving platform, a moving concentric-square-shaped sliding block, a linear sliding rail, a detection cylinder, a focusing lens, a machine shell, a detection pipe, a pulse laser, an electronic computer, a monochromator, a data acquisition unit, a position-adjustable supporting frame structure, a cooling fan structure capable of dissipating heat and a sample collecting and filtering tank structure. The clamping plates are transversely connected to the upper portion and the lower portion of the left side of the movable platform through bolts. The moving platform is longitudinally connected to the inner side between the moving concentric-square-shaped sliding blocks through bolts. Through the arrangement of the movable seat, the movable shaft, the flat head lining rod, the supporting bottom frame, the connecting seat and the electric push rod, position adjustment according to detection requirements is facilitated, and the detection operation requirements are met.

The invention relates to the technical field of electronic communication, and in particular relates to an on-line monitoring system for gas in transformer oil. The on-line monitoring system comprises an input pipe connected with a transformer, wherein the input pipe is connected with a gas cylinder of a tested oil degassing unit through a valve; the gas cylinder is connected with a plurality of pipelines which are connected with a sample injector; the sample injector is connected with a gas separation unit through a connection pipe; the gas separation unit is connected with a main control unit through a communication module. The on-line monitoring system has the advantages that by adopting an oil-gas separation device, preconditions such as cyclic oil taking from a circulating loop, no oil consumption, no oil pollution and no maintenance can be met, so that a sampling mode of the system cannot affect safe operation of main equipment; if the temperature is well controlled, high degassing efficiency and high speed can be realized; by adopting a reliable single-column separation chromatographic column, the detection precision and the stability of the equipment are guaranteed, and the communication module can help a main control console technology learn about the basic condition.

The invention provides an MEMS cantilever type accelerometer and a manufacture process thereof. The MEMS cantilever type accelerometer comprises a measuring body, an upper cover plate and a lower cover plate, wherein the upper and lower cover plates are connected with the measuring body; the measuring body comprises a frame and a counterweight block placed in the frame, and the counterweight block is connected with the frame via multiple cantilevers; and buffer beams are arranged between the counterweight block and the frame, one end of each buffer beam is connected with the counterweight block, and the other end of the buffer beam is connected with the frame. The buffer beams can effectively protect the accelerometer and prevent the accelerometer from damage caused by too large external force.

The invention discloses a portable microwave detection system for pre-hospital diagnosis of a clinical stroke type, and mainly comprises an antenna array hood and a detection host. The invention proposes to establish a multi-channel microwave detection antenna array hood for clinical detection application scenarios, through the targeted design, the detection can be carried out without moving a patient under test, while the multi-channel microwave detection characteristics are retained. For the portability problem of the host, a PXI chassis, a multiplexing switch and a signal generation processing module are integrated through a PXI protocol, so that the detection system host is composed of only one independent module, and integration and portability are realized.

The invention belongs to the field of broaching tools, particularly relates to a parameter-settable spindle broaching tool loosening position state detection mechanism, and provides the following scheme aiming at the problems that in the prior art, a spindle broaching tool loosening position state detection mechanism cannot automatically control movement of induction iron, and meanwhile the stability of the induction iron is poor. The device comprises a main body and a hollow base, the top of the base is fixedly connected with the bottom of the main body, the top of the base is fixedly connected with a control box, the right side of the main body is rotationally connected with a threaded pipe, a threaded column is in threaded connection with the interior of the threaded pipe, and the left end of the threaded column extends into the main body and is fixedly connected with induction iron; a button is pressed to guide a control sleeve to be connected with a matching column, at the moment, an output shaft of a motor rotates, the induction iron is automatically controlled to conduct movement detection, meanwhile, the induction iron is fixed when the induction iron stops moving, and the detection stability is guaranteed.

The invention provides an accurate temperature measurement hot air gun. The accurate temperature measurement hot air gun comprises a shell. A circuit board and a hot air device for producing hot air are arranged in the shell. The front end of the shell is provided with a hot air pipe for discharging the hot air produced by the hot air device. The hot air gun further comprises a detection device. The detection device comprises a temperature measurement probe which is an infrared probe. The front end of the shell is sleeved with a fixing frame. The temperature measurement probe is arranged on the fixing frame. In this way, installation and fixing of the temperature measurement probe are facilitated, and the stability and reliability of the temperature measurement probe during detection are guaranteed. Accordingly, the detection accuracy of the detection probe is guaranteed so as to guarantee the good working effect of the hot air gun. The adaptability of the hot air gun is improved, andthe application range of the hot air gun is enlarged. The operation stability and reliability of the hot air gun are guaranteed.

The invention provides a detection device for coated glass, which includes a frame, support legs, baffles, stand, beams, limit switches, control box, host, alarm, detection board, power emitter probe and power receiver For the probe, the four corners of the bottom of the rack are bolted to support legs; Bolted connections have baffles. According to the setting of adjustable pull rod, fixed sleeve, square head bolt, adjustment cap, clamping seat, clamping plate, clamping bolt and anti-damage block according to the length and thickness of the coated glass, loosen the square head bolt and hold the adjustment cap Adjust the position of the adjustable pull rod inside the fixed sleeve, loosen the clamping bolts, place the coated glass between the clamping seats and between the clamping plates, drive the anti-injury block to rotate through the clamping bolts, clamp the coated glass Tighten, and finally lock the lag bolts, and the detection operation can be carried out.

The invention discloses an anti-corrosion in-place detection device, which comprises a trigger mechanism, a non-contact sensor and a closed container, wherein the trigger mechanism is mounted on detected equipment and moves along with the detected equipment; the triggering mechanism and the triggering end are mutually matched with the non-contact sensor to realize signal detection, and when the triggering end of the triggering mechanism moves to a triggering range along with the detected equipment, the non-contact sensor is triggered, namely the detected equipment is considered to move in place. The non-contact sensor is installed in the closed container, the closed container isolates the non-contact sensor from the outside, water vapor, dust and other impurities are prevented from influencing the non-contact sensor, the non-contact sensor is prevented from being corroded, and the detection stability is ensured.

The invention provides an intelligent indwelling needle based on anticoagulation and blood coagulation coatings. The intelligent indwelling needle comprises a medical indwelling steel needle, a connector, a connecting pipe, a three-way valve, a medical catheter, a positive pressure valve, a positive pressure connector, a quantity control regulating valve, a blocking plug, a needle holding handle and anti-skid holes, one end of the connector is in threaded connection with the right end of the interior of the connecting pipe, and the other end of the connector is in threaded connection with theleft end of the medical indwelling steel needle; and the left end of the connecting pipe is in threaded connection with the right end of the three-way valve. Through the arrangement of a mounting sleeve, a protective pad, anti-falling lacing main belts, fixing secondary buckles, anti-falling lacing secondary belts and fixing primary buckles, the fixing effect is achieved, falling is avoided, the indwelling stability is guaranteed, and after the medical indwelling steel needle is pricked into the vein of the human body and successfully indwelled, the anti-falling lacing main belts and the anti-falling lacing secondary belts can be connected to the wrist of a patient in a holding mode, the fixing secondary buckles and the fixing primary buckles are mutually buckled and firmly fixed, the anti-skid supporting effect can be achieved through the protective pad, the indwelling stability is guaranteed, and falling is avoided.

An energy-saving wheel dynamic balancing machine belongs to the technical field of vehicle detection and maintenance. Including drive system, support system, detection system. It is characterized in that the driving system is a hydraulic driving system, and can realize a braking energy recovery device, including: a hydraulic pump, a hydraulic pump-motor, an electromagnetic reversing valve, a one-way valve, an overflow valve, and a bladder accumulator. When braking, the rotating shaft drives the motor to rotate, and the hydraulic oil is stored in the bladder accumulator through the control of the electromagnetic reversing valve, which can be reused for the next startup to realize the recovery of braking energy. The support system uses two bearings to be supported at close distances at two points and share a bearing seat to maximize the vibration signal generated by the wheel unbalance and transmit it to the hard support to improve the accuracy of detection. In the detection system, two vibration sensors are directly connected to the hard support to realize repeated detection and signal conversion of unbalanced quantities. The phase detection adopts a mechanical dot marking mechanism to minimize the phase detection error.