60results about How to "No distortion" patented technology

The utility model discloses an out-of-focus protection desktop far-vision read-write device which comprises a plane spectroscope, a first concave reflector and a second concave reflector. Wherein the light reflected by the table top and an object placed on the table top is emitted to the plane spectroscope from the lower part and then is split; a first light ray formed by reflection of the plane spectroscope is reflected by the first concave reflector, then penetrates through the plane spectroscope and is emitted to an exit pupil position; a second light ray formed after penetrating through the plane spectroscope is reflected by the second concave reflector, is reflected by the plane spectroscope again and then is emitted to an exit pupil position; one of the first light and the second light emitted to the exit pupil position is imaged at a virtual image position not less than 3 meters in front of the exit pupil position, and the other one is imaged at a real image behind the exit pupil position to form positive defocus. According to the out-of-focus protection desktop far-vision read-write device, the coaxial optical system is used, an object placed on a desktop is amplified, projected and imaged, positive out-of-focus stimulation is provided, and myopia prevention and control are achieved.

The invention relates to the related technical field of high-voltage wires, in particular to a high-voltage connecting wire with a fixed shape and a shielding function, which comprises a metal conductor, and a supporting mechanism is arranged on the outer side surface of a sheath. According to the high-voltage connecting wire with the fixed shape and the shielding function, through the arrangement of the supporting mechanism, during installation, the first supporting block and the second supporting block are close to each other from the two sides of the sheath, the clamping blocks are pushed into the clamping grooves, the fixing blocks are extruded to push the limiting plates to compress the telescopic springs, and after the clamping blocks enter completely, the fixing blocks pop out under the action of the springs and are inserted into the fixing holes; the supporting blocks surround the sheath to provide stable support for the wire, and when the wire is subjected to external force, the supporting mechanism protects the internal wire structure, prevents deformation and damage, improves the use flexibility and tightly cooperates with the supporting blocks to provide rigid support and ensure that the shape of the wire is fixed by means of structural strength and elastic buffering. And the installation and use reliability is improved.

The utility model discloses a bearing seat convenient to install, which relates to the technical field of bearings, and comprises a lower bearing seat, an upper bearing seat and a bearing body, one side of the lower bearing seat and one side of the upper bearing seat are provided with fastening parts for fixing the lower bearing seat and the upper bearing seat, and the fastening parts are connected with the lower bearing seat and the upper bearing seat. Hinges are arranged on the sides, away from the fastening component, of the lower bearing seat and the upper bearing seat, an elastic assembly enabling the upper bearing seat to bounce is arranged in the first groove, and through the arrangement of the elastic assembly, during disassembly, a fastening screw in the fastening component is loosened, and at the moment, under the elastic force of the elastic assembly, the upper bearing seat can be disassembled. During installation, the upper bearing seat is pressed, the elastic assembly is compressed into the first groove, the fastening screw rod is screwed, the bearing body is fixed, compared with traditional disassembly and installation, the upper bearing seat does not need to be completely taken down, time is saved, and the installation efficiency is improved. Disassembly and assembly are convenient and fast.

The utility model discloses a double-air-door air outlet structure with a single shifting wheel structure, which belongs to the technical field of double-air-door air outlet structures, a gear 5A and a gear 4B are meshed in a staggered manner and are rotatably connected, the output torque of a motor is amplified through gear transmission speed reduction, and the gear 5A and the gear 5B are driven to rotate at intervals through the gear 4A and the gear 4B, so that the double-air-door air outlet structure is formed. When the door plate and the second door plate are completely closed, the locking arc of the gear 4A and the gear 5A are in incomplete tooth meshing to enter a locking state, and at the moment, the sealing block at the position in contact with the door frame air opening is compressed so as to ensure that the door plate is closed and sealed and prevent cold leakage, and the opening and closing time of the door plate and the second door plate is controlled by adjusting the tooth directions of the gear 5A and the gear 5B. The door plate and the second door plate are opened and closed at the same time during alignment, one of the door plate and the second door plate is opened and the other one is closed during transverse alignment, the gear continuously rotates to be meshed with the gear of one of the door plate and the second door plate, and the other one of the door plate and the second door plate is slowly closed and unfolded, so that the function of adjustable opening and closing is achieved.

One aspect of the invention discloses an electrostatic discharge generator for integrated circuit testing. On the other hand, the invention discloses a control method of the electrostatic discharge generator for the integrated circuit test. According to the electrostatic discharge generator for the integrated circuit test, the replaceable resistance-capacitance module, the gun body, the bevel gun head adapter and the micro-size gun head form a low-parasitic-effect transmission channel of electrostatic discharge pulses, and it is ensured that the electrostatic discharge pulses do not distort; the gun body is supported by the gun body adapter plate and the gun body bracket at a certain inclination angle, so that the micro-size gun head is ensured to be accurately and stably positioned on the pin of the tested integrated circuit, the precise identification of the fine pin of the integrated circuit is realized, and the tested integrated circuit is prevented from being damaged by mechanical stress; the electrostatic discharge generator host and the control computer can control the output of high-grade and multi-electrostatic discharge pulses and other integrated circuit electrostatic discharge immunity tests meeting the requirements of the current integrated circuit industry.

This invention discloses a full-body live-streaming call imaging system and method for smart glasses based on real-time correction using multiple sensors, belonging to the field of smart wearable devices and real-time audio and video communication technology. This invention integrates multiple types of sensing sensors distributed across smart glasses to collect real-time data on user facial details, clothing features, limb posture, gait, and surrounding environmental space. It then constructs a complete 3D human body model from head to toe using lightweight AI algorithms. Simultaneously, a real-time human body data correction mechanism is added, dynamically calibrating human body recognition data at the millisecond level through frame comparison, iterative compensation, and anomaly filtering, solving industry challenges of model distortion and contour offset in dynamic scenes. Combined with SLAM 3D environment reconstruction technology and an adaptive lens distance adjustment algorithm, this invention can intelligently switch between facial close-ups and full-body dual imaging modes, with no limb cropping, no image distortion, and no image jitter throughout the process, realistically reproducing the user's full-body movements and surrounding environment. This invention effectively solves the technical pain points of traditional smart glasses, such as limited imaging in video calls and live streaming, poor dynamic adaptability, and low recognition accuracy. It significantly improves imaging stability, integrity, and intelligence, and is suitable for various scenarios such as remote physical education, immersive live streaming, and virtual meetings. It has extremely high practical value and promising prospects for promotion.

The utility model relates to gem processing detection technical field more specifically, relate to a gem cutting and grinding process three -dimensional dynamic optical detection module, including mounting bracket, the mounting bracket includes upper roof, left side board, lower bottom plate and right side board, the upper roof, left side board, lower bottom plate and right side board combine and form the rectangular structure, wherein the middle part of upper roof is provided with fixed hole, the middle part of lower bottom plate is open, the right side and left side of lower bottom plate are provided with first off -axis parabolic mirror and second off -axis parabolic mirror respectively, the upside of first off -axis parabolic mirror and second off -axis parabolic mirror is provided with semiconductor laser and acquisition camera respectively. First off -axis parabolic mirror focuses laser to gem surface, second off -axis parabolic mirror captures the laser signal of gem surface reflection, and reflects it to acquisition camera, realizes the dynamic focusing of curved surface gem detection without aberration, and this detection mode adopts non -contact detection, avoids the damage of gem surface.

The invention discloses a chip filter circuit, an integrated chip and electronic equipment, and belongs to the technical field of electronic equipment. The chip filter circuit comprises a signal source, a blocking capacitor, a filter circuit and a power amplifier, the blocking capacitor is arranged between the signal source and the filter circuit; the filter circuit is arranged between the blocking capacitor and the signal input end of the power amplifier; the filter circuit comprises at least one filter unit; the filter circuit supports filtering of at least one frequency point.

The invention provides a cross-layer annotation correction and real-time rendering method and application thereof, and belongs to the technical field of digital pathological image processing. According to the method, the problems of labeling dislocation, editing distortion and large-point-set rendering lagging during switching of the multi-focal-plane slices are solved. The method is characterized by comprising the following steps: determining interlayer offset parameters of each focal plane, and carrying out associative storage with focal plane identifiers; anchoring an original focal plane and storing original geometric data when the label is created; when the target focal plane is switched, cross-layer mapping is carried out according to the relative offset parameters, and geometric semantic stability is kept for different labeling types; a rendering complexity index is calculated, hierarchical simplified rendering is executed in a continuous interaction stage, and high-precision display is recovered after interaction is stable; and after editing, reversely writing the target geometric data back to the original focal plane coordinate system. According to the method, cross-layer accurate correction and real-time smooth interaction of the labels are realized, and pathological diagnosis is effectively assisted.

The present application relates to a kind of well seismic signal-noise superposition wave field high-dimensional multi-component feature intelligent separation method, belong to geophysical oil and gas resource exploration field.Establish time-domain multi-component decomposition result serves different dimension differentiation characteristic property expression;Six-dimensional characteristic attribute space based on multi-component signal-noise component is established, and the mathematical characteristics of complex signal wave and multiple types of noise in DAS record, such as direct wave and reflected wave, are revealed;Dual-stage highly integrated framework with tree model as base learner is set up to complete the feature point category determination separation task in high-dimensional attribute space, so as to accurately and efficiently realize low-damage preservation of signal wave field and maximum suppression of noise wave field.The method is flexible, accurately preserves the amplitude characteristics and frequency energy components of DAS two-dimensional exploration record signal field in well, the mathematical basis is reliable and reliable, and the feature is strongly interpretable, which provides an important basis for thin and fine layer detection, oil and gas reservoir exploitation and other practical applications.

The invention discloses a multi-terminal fidelity display adaptation method for remote ultrasonic images, which relates to the technical field of image processing, and comprises the following steps of: firstly, acquiring heterogeneous original video streams of ultrasonic instruments of different brands / models at a clinical end, and performing standardized analysis to generate basic video streams in a unified format; then obtaining characteristic parameters such as screen resolution, proportion and decoding capability of the target terminal, and calculating a non-stretching target rendering size according to the characteristic parameters; then different areas in the video are identified through ultrasonic image feature optimization, and differential zooming processing is carried out by adopting a corresponding interpolation algorithm; and finally, calculating a structural similarity index of the core diagnosis area, if the structural similarity index is lower than a threshold value, performing feedback adjustment, and transmitting a video stream with the fidelity reaching the standard to a terminal for display. According to the method, the heterogeneous video source is standardized, and regional differentiation zooming and fidelity feedback adjustment are carried out according to the terminal features, so that compatible adaptation between various types of ultrasonic instruments and various types of display terminals is realized.

The present application relates to the technical field of simulation sandbox, and particularly relates to a simulation sandbox data base construction method and device, wherein the method constructs compatible domain object models in the localization BIM forward design stage; according to unstructured drawings, localization BIM models and other data types, SHP data, geometric feature data and structured topology data are extracted or generated; simulation element data is obtained through field-level direct mapping, SHP data is converted twice and coordinates are unified, and then geometric feature completion, line segment merging and topology reconstruction are performed, object construction and labeling are completed based on the simulation element data, and simulation sandbox data base is obtained. The present application solves the problems of low construction efficiency, poor compatibility and insufficient geometric accuracy, realizes standardized data processing and efficient construction, can be directly loaded into a simulation sandbox, is suitable for airport and other scenes, and improves simulation accuracy and reliability.

The present application provides a method, device, and electronic device for determining the remaining charge and discharge time of a battery, and relates to the field of battery technology. The method for determining the remaining charge and discharge time of a battery determines the current difference between the first current of the battery to be detected collected at the Nth sampling moment and the second current of the battery to be detected collected at the N-1st sampling moment; when the current difference is greater than the set current difference threshold, it means that the first current of the battery to be detected collected at the Nth sampling moment has a jump, and the reliability is poor. Therefore, the second current of the battery to be detected collected at the N-1st sampling moment is still used as the working current of the battery to be detected, and the accuracy is high. Furthermore, according to the working current of the battery to be detected and the working mode of the working current of the battery to be detected, the reliability of the remaining charge and discharge time of the battery to be detected at the Nth sampling moment is also high, and there will be no distortion.

The invention provides a crucible for growing indium phosphide crystals, which comprises a carrier crucible and a diamond coating layer / coating body, the diamond coating layer / coating body is arranged on the inner surface of the carrier crucible, the material of the carrier crucible is any one of graphite, quartz, silicon carbide or boron nitride, and the diamond coating layer / coating body is arranged on the inner surface of the carrier crucible. The thickness d of the diamond coating layer or the diamond coating layer arranged on the surface of the diamond coating body is not less than 0.5 [mu] m and not more than 100 [mu] m, placing an indium phosphide polycrystal material in the crucible, then placing the crucible in a high-pressure reaction kettle, setting process parameters, and carrying out single crystal growth, the problems that in the prior art, indium phosphide crystals obtained through growth are large in internal stress and many in dislocation, and crystal lattices are prone to distortion are solved.

The invention belongs to the technical field of gas detection, and particularly relates to a gas concentration measurement method and system based on adaptive wavelength. The measurement method comprises the following steps: obtaining a waveform curve of a to-be-measured gas absorption signal; if the current waveform curve is distorted, the to-be-detected gas is scanned again after the current scanning interval is widened until the newest waveform curve is not distorted, and the newest waveform curve is subjected to convolution processing to obtain a second reasonable curve; and if K3 continuous sampling points greater than a third set threshold exist in the absorption interval of the second reasonable curve, recording the current second reasonable curve as a third reasonable curve, and calculating the current concentration of the gas to be detected according to the third reasonable curve, on the contrary, the scanning interval corresponding to the current second reasonable curve is narrowed, and then the to-be-detected gas is scanned again. According to the invention, high-efficiency and accurate concentration measurement can be carried out on to-be-measured gases with different concentrations.

The application discloses a kind of based on TS5 Internet of Things man-machine interface rock climbing wall electric push rod synchronous angle adjustment control system, including TS5 Internet of Things man-machine interface assembly, Modbus-RTU bus communication link, multiple groups servo electric push rod assembly, rock climbing wall steel frame rock wall main part and cloud remote management and control platform.TS5 Internet of Things man-machine interface as Modbus host, through RS485 bus one master-slave control multiple rock climbing drive push rod synchronous extension, drive rock wall overturn angle adjustment;Rely on TS5 original plug-in 4G / WiFi module to realize local touch screen angle adjustment and remote cloud management and control double mode;Push rod built-in travel sensor and load acquisition module, data bus returns real-time conversion and shows inclination value;Utilize TS5 audio output interface with bus real-time monitoring, realize push rod overload, synchronous deviation overrun acoustic and light alarm and cloud push.The application solves the defect that traditional rock climbing wall multiple push rod is synchronous, wiring is complicated, cannot be remotely operated and maintained, has no overload early warning, control precision is high, operation is convenient, safety protection is perfect.

The present invention provides a detection system and method for multivalent plutonium in nuclear fuel reprocessing. The detection system for multivalent plutonium in nuclear fuel reprocessing includes a conveying device, which is used to convey a solution containing multivalent plutonium; the wavelength of the measuring light output by the light source covers the absorption spectrum of the multivalent plutonium, the measuring light is split by a beam splitting unit, and each beam of the output light is incident on a detection cell respectively; the multiple detection cells include a first detection cell, a second detection cell and a third detection cell, and the ratio of the measuring optical path of the measuring light in the second detection cell and the third detection cell to the optical path in the first detection cell is not less than 8 and 40 respectively; the switching unit is used to make the light splitting unit receive the measuring light emitted from each detection cell in time; the electrical signal output by the light splitting unit is sent to the analysis unit; the analysis unit processes the electrical signal according to the absorption spectrum technology to obtain the content of each valence plutonium element in the solution. The present invention has the advantages of accurate detection results and the like.

The utility model discloses an optical fiber tripping-in device in oil and gas well casing deformation monitoring, which comprises a plurality of connecting casings, a tail end casing, a traction cable winch and an optical cable winch, the outer wall of each connecting casing and the outer wall of each tail end casing are respectively provided with a tunnel structure, and each tunnel structure comprises a going tunnel and a returning tunnel; the going tunnel and the returning tunnel are arranged side by side, a pulley is arranged at the end of the tunnel structure of the tail end sleeve, and the pulley is arranged in the center of the tunnel structure. The two adjacent connecting sleeves or the tail end sleeve and the adjacent connecting sleeve are detachably connected; the going tunnel is used for putting down an optical cable and a traction cable, and the returning tunnel is used for providing a returning channel for the traction cable when the optical cable is put down. The tunnel structure is adopted to fix the optical fibers, permanent deployment of the distributed optical fibers on the outer surface of the oil and gas well casing is achieved, and a foundation is laid for optical fiber monitoring in the production operation process.

The application discloses a kind of visual detection device and detection method of TR fabric high color fastness padding product, it is related to visual detection technical field, including visual detection device, and visual detection device includes unwinding unit, dark box and winding unit, the inside of the dark box is provided with positioning mechanism for the fabric of detection position is positioned, positioning mechanism includes: negative pressure unit, is set to the inside of dark box, by setting positioning mechanism, effectively solve the soft TR fabric in open detection area due to tension fluctuation and residual deformation and lead to the problem of bulging, warping.Negative pressure unit in the suction pump operation, negative pressure is generated in the inside of negative pressure box, and uniform adsorption force is generated to the air-permeable fabric body through the round hole on its top.Meanwhile, negative pressure box is equipped with several partition plates and is divided into multiple independent negative pressure chambers, and the size of negative pressure is adjusted by the electromagnetic valve installed on branch pipe, so that fine control of fabric tension is realized.

An electric sound stethoscope with double-channel compatible and collection switch relates to the field of medical auscultation, which is configured with double-channel compatible and convenient collection switch, analyzes and compares sound and sound wave pattern functions, and outputs two high-definition loudspeaker work of audio amplifier modules in two ways to connect two audio boxes, which is a new innovation for diagnosing heart and lung diseases. The excellent electric sound quality presents the extremely distinctive creative color of the system. The system includes electronic or traditional auscultation head to collect sound signals, and the sound signals are converted into electric sound signals by a microphone. The auscultation includes collecting heart and lung sound, and independently setting a microphone channel or a microphone wired socket interface with a convenient switch, forming the electric sound signal of the heart and lung auscultation collected by the convenient switch and the auscultation method to suppress howling. The electric sound signal enters the functional module circuit for processing through the appropriate transmission mode, amplifies the electric sound signal to drive the loudspeaker to broadcast and listen to the auscultation.

The present invention relates to a measuring device for detecting residual stress of transparent polymer materials and a method for measuring residual stress. The measuring device is composed of a measuring platform, a light source, a first polarizer, a first quarter wave plate, a ball screw device, a laser, a reflector device, a second quarter wave plate, a second polarizer, a CCD camera and a transparent polymer material model. The measuring device of the present invention is provided with a plurality of slideways on the measuring platform, and a plurality of optical components involved in the photoelastic method and the astigmatism method are assembled with the slideways in sequence by installing a magnetic base. During the measurement process, the corresponding optical components can be removed or the corresponding positions of the optical components in the slideways can be adjusted according to different measuring methods, thereby meeting the requirements of different measuring methods.

A curved holographic waveguide display device and method with a large pupil box are disclosed. The device includes a microdisplay, a first relay optical element group, a planar waveguide module, and a curved holographic waveguide module. This invention utilizes the planar waveguide module to transform a small exit pupil projection module composed of a microdisplay and the first relay optical element group into a large exit pupil projection module without sacrificing the field of view. This provides a wide beam covering the entire field of view image information for the curved holographic waveguide module, thereby achieving a virtual-real fusion effect between the optical image and the real world environment within the wide pupil box. This invention also proposes adding a second relay optical element group or relay optical element to the curved holographic waveguide display device to better achieve the conjugate matching between the planar waveguide module and the curved holographic waveguide module. This invention simplifies the structure of the large exit pupil projection module, reduces the module volume, and provides a key design scheme and implementation method for the lightweight miniaturization of curved waveguide head-mounted displays.

The application discloses a kind of conductivity measurement anti-interference method and system.The method comprises: judging whether the original voltage signal collected can ignore interference, and the original voltage signal is formed by the superposition of target voltage signal and interference signal;If it can be ignored, the original voltage effective value is calculated according to the original voltage signal, and the conductivity is calculated using the original voltage effective value;Otherwise, the target voltage signal is selected from the original voltage signal, the target voltage effective value is calculated according to the target voltage signal, and the conductivity is calculated using the target voltage effective value.The application processes voltage signal through software algorithm throughout, without additional hardware, and only relies on the voltage data collected by sensor to realize interference suppression.

The invention discloses a device for preventing cable trench from settling, comprising anti-settling units arranged at intervals along the length direction of a prefabricated cable trench, wherein a single anti-settling unit comprises: a shell slidably arranged on the outer periphery of the prefabricated cable trench; a telescopic drive mechanism arranged in the shell, one end of which is used to be connected to the bottom of the prefabricated cable trench, and the other end of the telescopic drive mechanism is against the bottom plate of the shell; a first balance sensor for detecting whether the bottom plate is tilted; a second balance sensor for detecting whether the prefabricated cable trench is tilted; and a controller connected to the telescopic drive mechanism, the first balance sensor and the second balance sensor, wherein when the first balance sensor detects that the bottom plate is tilted, the controller controls the telescopic drive mechanism to extend so as to make the bottom plate sink downward and lift the prefabricated cable trench upward; when the second balance sensor detects that the prefabricated cable trench returns to the horizontal level, the controller controls the telescopic drive mechanism to stop moving, thereby preventing the cable trench from settling.

This invention discloses an X-ray-based system for detecting spherical shell-shaped objects. The system includes a main frame housing a C-arm, a flat panel detector, a flat panel detector position adjustment mechanism, an arc-shaped detector, an X-ray source, a X-ray source position adjustment mechanism, and a sample stage. The C-arm is fixed to the top of the main frame. The spherical shell-shaped object to be detected is placed on the sample stage, with its center located at the center O of the circle corresponding to the C-arm. The flat panel detector position adjustment mechanism adjusts the position of the flat panel detector on the C-arm, ensuring that the vertical line from the center of the flat panel detector always intersects the center O. The center of the arc-shaped detector coincides with the center O. The X-ray source scans the region of interest of the spherical shell-shaped object. The X-ray source position adjustment mechanism adjusts the position of the X-ray source. This invention is suitable for detecting spherical shell-shaped objects, and the DR imaging is distortion-free.

The utility model relates to the technical field of pipeline assembly, in particular to a quick assembly hoop which comprises an upper hoop and a lower hoop, supporting rings are respectively arranged at symmetrical joint positions on two sides of the upper hoop and the lower hoop, rubber rings are arranged on the inner sides of the upper hoop and the lower hoop, and clamping heads on one sides of the upper hoop and the lower hoop are connected in a hook hinge mode. According to the utility model, the supporting ring on the same circumference with the hoop is used for assisting in positioning the pipeline groove and preventing the rubber ring from being pressed and deformed, so that the working efficiency is improved and the working quality is ensured on the premise of ensuring the accurate installation of the hoop.

The utility model discloses drying equipment for textile thread dyeing, which relates to the field of textile drying and comprises a shell, a controller is arranged on the front side of the shell, a conveying device is arranged on the lower side of the shell, an air pump is arranged on the rear side of the shell, and a transmission device is fixedly connected to the rear end of the shell. The transmission device is fixedly connected with the first driving wheel, and the bottom of the transmission device is fixedly connected with the bottom of the inner wall of the shell. The electric heating drying lamp is arranged to control the temperature in the shell, the conveying device can intermittently convey spinning threads, the ironing device is arranged, the spinning threads are ironed in the drying process, the spinning threads fed into the shell can be pre-dried at high temperature and then conveyed to the position below the ironing device to be ironed, and therefore the spinning threads can be dried at high temperature. And then the textile threads are conveyed to the position below the electric heating drying lamp for final drying, so that each section of the textile threads can be uniformly ironed and dried, and it is guaranteed that the textile threads cannot be heated unevenly or distorted and deformed.

The invention provides a commodity shadow removal model training method and device, equipment and a medium, and the method comprises the steps: obtaining a real light and shadow picture, obtaining a picture set, recording the real light and shadow picture as Ioriginal, and carrying out the noise filtering of the Ioriginal; a final shadowless sub-picture I < noshadow > is generated; acquiring a data pair; obtaining a set of data pairs; training the model, stopping training when the SSIM reaches a set threshold value to obtain the training model, and solving the defects of poor shadow generation, low main body consistency and data scarcity in the prior art.

The utility model discloses a kind of not easy to leak liquid's critical medical department with drainage device, including placing frame, the inside of placing frame is placed with collector, the middle position of collector top is fixedly installed with connector, and the left and right ends of connector are fixedly installed with lug, the outside of connector is connected with fixed sleeve head and is equipped with fixed assembly, the rear end of placing frame is provided with mounting assembly, and the rear end side wall of placing frame is provided with guide assembly.The critical medical department with drainage device not easy to leak liquid, the precision of connection can be kept by the fixation of pipeline, and then also prevent loosening or falling caused by the movement of pipeline in patient's body, also avoid liquid leakage, to ensure continuous and effective drainage, then through guide groove can make the reasonable bending angle of pipeline at connection, avoid the blockage or fracture caused by bending, to keep pipeline smooth, without distortion.