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 discloses a detection kit and detection method for BRAF 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 two pairs of specifically amplified primers for BRAF gene mutation loci, an efficient blocking probe of a wild sequence and a BRAF gene specific TaqMan fluorescent probe. The kit can detect 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 BRAF 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.

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 a double-chamber high-voltage soft bag detector. A detection channel device is arranged on a frame; a feeding mesh belt is arranged at the feeding end of the detection channeldevice, and an output mesh belt is arranged at the discharge end; a waste removing device is arranged above the output mesh belt; the detection channel device comprises a wavy soft bag conveying beltformed by connecting a plurality of power rollers side by side through a connecting belt; a bag head detection device and a bag body detection device are arranged on a detection station of the soft bag conveying belt; the bag body detection device comprises a bag body front side detection device and a bag body back side detection device; the bag body detection device is arranged at the inclined plane position of the soft bag conveying belt, and the inclined plane is formed by connecting at least two power rollers through the connecting belt. and a bag tail clamping device is arranged above thesoft bag conveying belt. The detection stability can be improved, ridge type conveying is adopted, and the detection sensitivity is improved; detection electrodes are arranged in a crossed covering manner to reduce false detection; and the detection electrodes can be automatically adjusted according to the bag body contour, and the leakage point capture sensitivity is improved.

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 adjustable detection device for ambient air detection, which comprises a detection case, a mounting base I, an alarm, a mounting base II, an air quality detection sensor, a case cover, a mounting plate, a storage battery, an air quality detection host and a wireless communication module, wherein the left end of the detection case is in screw connection with the mounting base I; and an alarm is connected to the left side of the mounting base I through screws. Through arrangement of a connecting pipe, a supporting column, a dismounting bolt, a height moving base, a movable pipe, a vertical rod and a movable bolt, height adjustment according to detection requirements is facilitated, the air detection effect is guaranteed, the movable bolt is loosened, the supportingcolumn is held by hand to move the height moving base, and after the height position is determined according to the position of the movable pipe on the outer wall of the vertical rod, the movable boltis fastened, the height adjustment detection requirement is met, the connecting pipe and the supporting column can be separated by loosening the dismounting bolt, components in the case can be maintained and detected conveniently, and operation convenience is guaranteed.

The invention provides an image compensation method applied to a thin-layer chromatogram scanner. The method comprises the following steps that: a monitoring photomultiplier tube on a scanner is used for recording a light intensity data matrix when a light source on the scanner is used for scanning a target object, light intensity mean intensity is calculated according to the light intensity data matrix, and the light intensity distribution matrix is calculated by utilizing the light intensity data matrix and the light intensity mean intensity; a determination photomultiplier tube on the scanner is used for recording a reflection light data matrix when the light scans the target object, the reflection light data matrix is corrected by utilizing the light intensity distribution matrix so as to counteract the influence of the light intensity variation on the detection data of the photomultiplier tube; and finally analysis is conducted according to reflection tube data correction matrix and the light intensity mean intensity to obtain the scanning data. The invention also provides a data collection and control system based on the image compensation method. The method and the system have the following advantages that (1) the scanning speed is fast; (2) stability in detection is realized; and (3) the processing method is simple and convenient, and image denoising is easy to realize.

The invention discloses an automatic scanner for welding seam detection for laser positioning. The automatic scanner comprises a walking mechanism and a positioning reference device, wherein the positioning reference device is detachably arranged on a to-be-tested workpiece and used for assisting positioning guiding; the walking mechanism comprises a walking frame and a walking part, and the walking part is used for supporting the walking frame to move on the to-be-tested workpiece; a walking control mechanism, a distance measuring device and a scanning mechanism are arranged on the walking frame, the walking control mechanism is used for controlling the walking part to walk, and the distance measuring device is used for measuring the distance between the walking mechanism and the positioning reference device so as to ensure the movement direction of the walking mechanism; the scanning mechanism is moved along with the walking mechanism to scan. The automatic scanner has the advantagesthat the intelligent effect is realized, the operation is convenient and rapid, and the like; the problems of technology distortion and scanning missing due to low manual scanning accuracy are solved; the labor intensity of a detection worker can be decreased, the detection efficiency is improved, and the like.

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 an atmosphere infrared detection base device, and belongs to the technical field of atmosphere infrared detection. The atmosphere infrared detection base device comprises a base. A storage battery is arranged inside the base, an infrared transmitting equipment support device and an infrared receiving equipment support device are arranged on the front side and the rear side of the top of the base, a three-hole socket is arranged in a groove, the infrared transmitting equipment support device comprises a first ratchet wheel, a second ratchet wheel is arranged on the top of the first ratchet wheel, a third ratchet wheel is fixedly arranged on the right side of the end, which is far away from the second ratchet wheel, of a support column, a fourth ratchet wheel is arranged on the side, which is far away from the support column, of the third ratchet wheel, a telescopic rod device is arranged on the top of a fixing column, and a storage plate is arranged on the top of an inner telescopic rod. The atmosphere infrared detection base device has the advantages that the ratchet wheels are combined with one another, and accordingly multiple angles and comprehensive angles of infrared detection equipment can be adjusted; the atmosphere infrared detection base device can be stabile and diversified in adjustment, and accordingly the detection accuracy and stability of the infrared detection equipment can be guaranteed.

The invention provides an intelligent electrical automation equipment detection device, which comprises a detection rod, a detection box, a temperature sensor, a telescopic moving rod, a mounting frame, a support rod, a rack and a support column, and the longitudinal upper end of the detection rod is in threaded connection with the interior of the detection box; temperature sensors are connected to the left wall and the right wall of the inner side of the detection box through screws, and the temperature sensors make contact with the detection rod. Through arrangement of cleaning bristles, a dust collection nozzle, a dust guide metal hose, a dust collector, a concentric-square-shaped movable sliding block and a linear sliding rail, cleaning of dust on the surface of the electrical equipment is facilitated, the detection effect is guaranteed, the electrical equipment is placed in an impurity collection box, the dust on the surface of the electrical equipment is cleaned through the cleaning bristles by holding the dust collection nozzle with hands, and through action of the dust collector, dust cleaning operation can be carried out by continuously stretching and adjusting the dust guide metal hose, and cleaning convenience can be guaranteed through moving and sliding operation of the concentric-square-shaped moving sliding block on the outer wall of the linear sliding rail.

The invention provides convenient-to-maintain rail transit mobile intelligent operation and maintenance detection equipment. The equipment comprises a rail body, a self-moving operation and maintenance detection wheel structure, a movable rail cleaning wheel structure, a multi-angle rotary rail damage detector structure, an operation and maintenance detection warning protection plate structure, an adjustable rod, a protection plate, a photoelectric conversion plate, a control cabinet, a host, a wireless control module, a power distribution cabinet, a charger, a storage battery, a supporting column and a rail flatness vibration detection wheel structure; the upper portion of the rail body is provided with the self-moving operation and maintenance detection wheel structure. According to the convenient-to-maintain rail transit mobile intelligent operation and maintenance detection equipment, an operation and maintenance detection frame, a main wheel seat, a driving motor, a driving wheel, a driven wheel seat and a moving wheel are adopted, mobile detection and operation are facilitated, mobile operation and maintenance can be carried out, operation is convenient; the driving motor drives the driving wheel to rotate, the moving wheel can move on the upper portion of the rail body in a matched manner, and drives the operation and maintenance detection frame to move, so that operation and maintenance detection operation can be carried out.

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 provides a trace element measuring device and a trace element measuring method. The trace element measuring device comprises: an analysis instrument; a switching module which is used for enabling the port of the first multi-way valve to be selectively communicated with a to-be-detected solution, a standard solution and a cleaning solution, wherein the two ends of the first liquid storage component communicate with a port of the first multi-way valve, the two ends of the second liquid storage part are communicated with a port of the second multi-way valve, the two ends of the third liquid storage component communicate with a port of the third multi-way valve, and through the switching of the second multi-way valve, the second pump is communicated with the analytical instrument through and not through the third liquid storage component; and pumps, wherein the first pump is communicated with a port of the first multi-way valve, the second pump is communicated with a port of the third multi-way valve, the third pump is communicated with the second multi-way valve, and the fourth pump and the fifth pump are used for providing liquid and are communicated with the port of the second multi-way valve. The device has the advantages of accurate detection and the like.

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 technical scheme of the invention discloses a device for a laser positioning method for realizing storage tank bottom plate detection. The device comprises a telescopic rod formed by connecting multiple supporting rods in a sleeving manner, wherein a laser emission device is arranged on each supporting rod; a power supply is arranged at one end of the telescopic rod; and the laser emission devices are all connected with the power supply. According to the device, laser beams emitted by the laser emission devices replace artificially drawn auxiliary straight lines, and the distance between the laser beams is controlled by utilizing retraction of the telescopic rod; and the device can shrink to a smaller length, is convenient to be carried by detection personnel and is easy to operate anduse, the emitted laser beams can be clearly seen in a dark environment, and the missing inspection probability can be effectively decreased by an auxiliary detecting instrument.

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 relates to a direct-current charging pile full-process detection operation and maintenance method which comprises the following steps: a charging pile initial state evaluation stage: acquiring original information of a charging pile to evaluate the quality of the charging pile; in the grading operation and maintenance detection stage, dynamic data of the charging piles are collected, and corresponding operation and maintenance detection is carried out on the charging piles based on a grading operation and maintenance strategy; and a working stability determination stage: collecting working data of the charging pile in real time, determining the working stability of the charging pile, and outputting corresponding protection measures based on a stability determination result. Compared with the prior art, the method has the advantages of ensuring safe operation of the charging pile and the like.

The invention relates to a license plate automatic detection algorithm comprising the following steps: collecting a color image of a license plate, and extracting the outer boundary of the license plate to obtain a license plate image; performing channel separation on the license plate image to respectively obtain R, G and B three-channel images; selecting suitable channel images according to the license plates with different colors, and respectively carrying out frame detection, character recognition and character defect detection, bottom film detection and / or two-dimensional code detection; and marking a good license plate or a bad license plate according to a detection result. License plate defects are automatically extracted through a machine vision algorithm; character matching is carried out by training a character hot stamping range threshold value, matching is carried out without using standard characters, and meanwhile, edge completion is carried out on an image needing to be detected to detect large-area character over-stamping / missing stamping; through multi-scale comprehensive detection, the detection stability is ensured, so that the defect judgment accuracy is improved, and the small defect detection capability is enhanced; the license plate detection efficiency and accuracy are improved, and manpower is saved.

The invention belongs to the technical field of CT devices, and particularly relates to a movable CT device for radiotherapy. The movable CT device comprises a scanning ring and a fixing frame; the scanning ring is connected to the fixing frame; universal wheels are fixedly connected to the four corners of the fixing frame; a cavity is formed in the bottom end of the fixing frame; a fixing box is fixedly connected to the side wall of the bottom end of the fixing frame; a motor is arranged in the fixing box; the output end of the motor is fixedly connected with a first rotating shaft; the first rotating shaft extends into the cavity, and the end part of the first rotating shaft is fixedly connected with a first bevel gear; a second rotating shaft is rotationally connected to the side walls of the two sides of the cavity; and the second rotating shaft is perpendicular to the first rotating shaft. The invention provides the movable CT device for radiotherapy, and aims to solve the problems that in the prior art, rollers are used for moving in the whole moving process of the CT device, then the whole CT device is fixed by fixing the rollers, but the rollers are in rolling friction on the ground after being fixed, so that the rollers are easy to shake, and the detection of the CT device is influenced.

The invention provides a steel structure process equipment damage ultrasonic guided wave detection device which comprises a detection cover, a main board, a storage battery, an ultrasonic generator, a vibration frequency receiver, a steel structure body, an adjustable steel structure surface moving frame structure and a steel structure surface dust cleaning wheel structure. The upper surface of the detection cover is in screw connection with the main board; the upper surface of the detection cover is in screw connection with the auxiliary searchlighting dustproof protection plate structure; the middle part of the top of the inner side of the detection cover is in screw connection with a storage battery. Through the arrangement of the detection cover, the mainboard, the storage battery, the ultrasonic generator and the vibration frequency receiver, the detection stability can be ensured; through the arrangement of the side protection frame, the movable shaft, the movable wheel, the selection through hole, the movable bracket, the driven roller, the movable motor and the driving roller, the detection movement stability can be ensured, and multi-position detection operation can be carried out, so that the accuracy of a detection result is ensured.

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 relates to the technical field of infusion bottle detection, and discloses an infusion bottle opening breakage detection device, which comprises a detection frame, the supporting legs are fixed on the outer surface of the detection frame and are used for limiting the detection frame; the conveying part is arranged on the outer side of the detection frame and is used for conveying the infusion bottles; the detection part is arranged on the inner side of the detection frame and is used for detecting the bottle opening; the detection device comprises a detection frame and an auxiliary part arranged on the outer side of the detection frame, the bottle opening of the infusion bottle can be conveniently detected, and compared with a common detection device, the detection device provided by the invention has the advantages that the bottle opening detection stability can be ensured, the detection accuracy is improved, and the detection efficiency is improved. The glass bottle has the advantages of being simple in structure, capable of detecting the fluctuation degree of the bottle opening and the like and is used for solving the problems that in the prior art, the transparency of a glass bottle is high, the shape of the bottle opening is difficult to obtain during detection, and the fluctuation degree of the bottle opening cannot be visually observed.

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.