177 results about "Small range" patented technology

The invention belongs to the technical field of glue filling control, and particularly relates to a glue filling amount control method and system. According to the method, the glue filling deviation can be controlled within an extremely small range through multi-time iteration control of a stage theoretical value and real-time feedback, the filling consistency and the bonding strength are remarkably improved, initial compensation is conducted in combination with various working condition parameters such as temperature, pressure and materials, the pressure and the diffusion dynamic state are monitored in real time, and the working efficiency is improved. The system can automatically adapt to environmental fluctuation and glue performance change, accurately control the filling amount, respond to overflow and viscosity abnormity in time, reduce glue waste, avoid product reworking caused by excess or insufficient glue, combine closed-loop feedback with maintenance strategies, automatically identify and process abnormal states, improve the automation degree and operation stability of a production line, and improve the production efficiency. Manual intervention is reduced, rapid configuration and expansion can be carried out according to different workpiece shapes, materials and production working conditions, and the device is suitable for various glue filling scenes.

The invention relates to the technical field of electrical measurement, and discloses an electrical measurement instrument dynamic calibration error compensation method, which comprises the following steps: S1, multi-source data real-time acquisition: integrating a temperature sensor, a humidity sensor and an electromagnetic interference detection module in a measurement instrument, configuring voltage, current, frequency and other measurement channels, and carrying out multi-source data real-time acquisition at the frequency of not less than 100HZ; environmental parameters (temperature T, humidity H and electromagnetic interference intensity E) and measurement data (model characteristic parameters X1, X2,..., Xn such as voltage, current and frequency) are synchronously acquired. According to the electrical measuring instrument dynamic calibration error compensation method, through multi-source data real-time acquisition and composite error model construction, in combination with multiple linear regression and an improved BP neural network, environment and measurement signal changes are comprehensively captured, an error compensation value is accurately calculated, a measurement error can be effectively controlled within an extremely small range, and the error compensation accuracy is improved. Compared with a traditional method, the measurement precision is greatly improved.

The invention belongs to the technical field of environmental monitoring, and particularly relates to a range adaptive detection method and system based on light source and gain cooperative adjustment. The method comprises the following steps: setting a detection system to be in a small-range working state; signal acquisition is carried out, and a signal value after analog-to-digital conversion is obtained; judging whether the signal value reaches a saturation threshold value or not; determining a combination of new light source intensity and new sensor gain according to a pre-stored calibration parameter table; adjusting the light source intensity of the detection system to Inew, and adjusting the sensor gain to Gnew; after adjustment, new signal acquisition and conversion are carried out to obtain a new signal value, a pre-stored calibration parameter table is inquired to obtain a corresponding compensation coefficient based on the currently used combination of Inew and Gnew, and a compensated real concentration value is calculated and output. According to the invention, the core contradiction that the measurement precision and the measuring range are difficult to consider in a wide concentration range in the traditional fixed-measuring-range detection technology is fundamentally solved.

The invention discloses an electrical installation and debugging method for a 110kV booster station, and aims to solve the problems of low precision, low efficiency, large potential safety hazard and the like in the aspects of equipment installation, wiring, debugging and the like in a traditional method. A laser positioning technology, a high-precision measuring instrument, electrical wiring software, big data analysis, artificial intelligence, automatic testing equipment, a perfect quality control and safety management system and the like are used; the installation precision is greatly improved, the wiring is optimized, the debugging efficiency and accuracy are improved, the quality control is enhanced, and the safety guarantee is enhanced. According to the method, the equipment installation precision error can be controlled within an extremely small range, the bus contact resistance is reduced to below 1 / 3 of that of a traditional mode, the cable fault checking time is shortened by more than 60%, the debugging time is shortened by 30%-40%, the data accuracy is improved by more than 95%, and the comprehensive construction cost is reduced by 10%-15%. The device is suitable for electrical installation and debugging engineering of various 110kV booster stations.

The invention discloses an antenna control method, system and device and a computer readable storage medium, and relates to the technical field of communication, and the method comprises the steps: obtaining a target position of a terminal device; generating mechanical platform control information and beam forming control information according to the target position; performing angle control on the mechanical platform according to the mechanical platform control information; performing angle control on the beam forming chip according to the beam forming control information; wherein the mechanical platform is used for carrying out horizontal rotation and / or pitching rotation on the antenna array; and the beam forming chip is used for performing phase control and / or amplitude control on the antenna array. According to the invention, large-range coarse adjustment of the horizontal angle and / or the pitching angle of the antenna array can be carried out by means of the mechanical platform, and small-range fine adjustment of the antenna array can be carried out by means of the beam forming chip, so that the antenna array can flexibly send beams to the terminal equipment, the beam width limitation of a small-size array is broken through, and the antenna array can be flexibly and accurately adjusted. And the signal quality of the terminal equipment is improved.

The present application belongs to the technical field of remote sensing image intelligent processing, and particularly relates to a sample-optimized passive microwave data seamless reconstruction deep learning method. The present application acquires passive microwave data with track gap loss, fully utilizes the periodicity of the track gap and the spatial complementarity of adjacent time phases, optimizes samples through a small-range loss sample interpolation generation method and a single-cycle mask strategy, fuses U-net and Transformer to construct a multi-time phase feature connection reconstruction network model, realizes seamless reconstruction, and obtains remote sensing data with continuous distribution and seamless connection between the reconstructed area and the original area. The present application effectively solves the limitation that the existing deep learning reconstruction method has obvious "seam" marks in the reconstruction result when the sample quantity is small and the sample features are not rich enough, and is suitable for the reconstruction of all passive microwave image data or quantitative parameter data with track gaps, which will play an important role in the spatial complete monitoring of global or regional scale passive microwave data.

The invention relates to the technical field of grounding, and discloses an anti-vibration and anti-damage grounding suspension device for a transformer substation, the anti-vibration and anti-damage grounding suspension device comprises a U-shaped hook and movable openings formed in the two sides of the hook, clamping jaws are hinged in the two movable openings of the hook, and a torsion spring is mounted on a connecting shaft of the clamping jaws, so that the two clamping jaws clamp a cable towards the inner side together; and the inner side of the hook is provided with an elastic component which is in contact with the cable, so that the cable is in contact with the elastic component under the locking of the two clamping jaws, and the vibration of the cable and the damage to the cable can be avoided. The elastic component is of a composite structure, the elastic layer absorbs most vibration impact force through compression and resilience, the elastic metal assists in dispersing stress, and fatigue damage of the cable due to high-frequency vibration is avoided; the upper and lower clamping structures cooperate with the clamping force of the torsion spring, the vibration displacement amplitude of the cable is controlled within a small range, collision with peripheral equipment is prevented, and the fault risk is reduced.

The utility model discloses a tool setting gauge mounting mechanism used on an interpolation Y-axis model, which comprises a chuck side plate, a base mechanism is fixedly mounted on the right side of the chuck side plate, an adjusting mechanism is fixedly mounted on the right side of the base mechanism, and a tool setting gauge mechanism is fixedly mounted on the right side of the adjusting mechanism. According to the tool setting gauge mounting mechanism used on the interpolation Y-axis machine type, through the arrangement of the adjusting mechanism, a rotating handle can be rotated to enable a screw rod to rotate to drive a nut seat, a sliding table and a tool setting gauge mechanism to move, small-range position adjustment can be conveniently conducted on the tool setting gauge mechanism, and therefore it is conveniently guaranteed that a measuring probe of the tool setting gauge can be accurately aligned with a cutting edge of a tool; the adjusting mechanism can be conveniently and rapidly positioned and installed and fastened through a nut through cooperative use of a first guide column and a first guide hole, the tool setting gauge mechanism can be conveniently and rapidly installed on the sliding table through cooperative use of a second guide column and a second guide hole, the installation structure is simple and orderly, and machining is easy.

This application provides a crystal oscillator compensation method and apparatus for a cellular positioning and communication fusion system, relating to the fields of communication and positioning technology. After the positioning module and / or communication module are started, this application determines the validity of historical information based on current environmental parameters. If valid, the historical error data is used as the current crystal oscillator error to reduce processing overhead caused by repeated estimation and shorten the preparation time after system startup. If the historical information is invalid and the positioning module is working, the crystal oscillator error is estimated through the communication module. This avoids the high time overhead, high processing complexity, and even malfunction caused by the positioning module directly performing large-scale time and frequency offset scanning within a large error range. This application allows the crystal oscillator error to converge to a smaller range before performing positioning processing, reducing the system's dependence on high-performance crystal oscillators while ensuring positioning and communication performance, which is beneficial for reducing terminal costs and power consumption.

The utility model discloses a head-mounted game earphone, which comprises two symmetrically distributed earmuff shells, loudspeakers are arranged in the earmuff shells, a plurality of through holes for sound transmission are arranged on the earmuff shells, flexible sleeves are sleeved outside the earmuff shells, a head beam is arranged between the two earmuff shells, and connecting mechanisms are arranged at two ends of the head beam. The connecting mechanism is connected with the earmuff shell on the same side, and the earmuff shell is connected with the head beam through the connecting mechanism. The elastic sheet can be bent when being stressed and is matched with the elastic characteristic of the head beam, so that the earmuff shell can move within a certain range and keep a state of being tightly attached to the ear, and the earmuff is suitable for users with different head shapes. Meanwhile, the ball body can move in the groove body, the earmuff shell can freely move in a small range, and the earmuff has the advantage of being high in flexibility, so that after the earmuff shell is tightly attached to the ear, the position of the earmuff shell is finely adjusted, and the earmuff shell is tightly attached to the ear.

The invention relates to an ultra-large current source nonlinear fitting and multi-section temperature compensation method and device and a medium, and the method comprises the steps: dividing a total range of a current source into a large section of independent range and a small section of independent range according to a preset threshold value, configuring an independent sampling circuit with adaptive parameters, and shielding a small-range sampling circuit during wide-range work to eliminate interference; respectively executing multi-section linear calibration for the two sections of measuring ranges to generate exclusive calibration parameters; on the basis of negative correlation characteristics of temperature and current output, temperature compensation functions of all measuring ranges are fit, and targeted temperature drift compensation is achieved; finally, a final set value is calculated based on the calibrated intermediate set value and the temperature drift compensation amount, the current source is driven to output accurately, the full-scale output precision and stability of the ultra-large current source are effectively improved, and the requirements of high-precision testing and driving scenes are met.

The utility model discloses a handle matching structure which comprises a C-column decoration plate, a right rear side surrounding decoration plate and an auxiliary handle, a first groove is formed in the surface of the C-column decoration plate, a second groove is formed in the surface of the right rear side surrounding decoration plate, a first right protruding block is arranged at one end of the auxiliary handle and arranged in the first groove, and a second right protruding block is arranged at the other end of the auxiliary handle and arranged in the second groove. A second protruding block is arranged at the other end of the auxiliary handle and arranged in the second groove. According to the handle matching structure, the first groove in the C column decoration plate is precisely matched with the first protruding block at one end of the auxiliary handle, and the second groove in the right rear side surrounding decoration plate is precisely matched with the second protruding block at the other end of the auxiliary handle, so that the relative positions of all components can be effectively guided in the assembling process; the assembling tolerance between the C column decoration plate and the right rear side wall decoration plate is controlled within an extremely small range, tight attachment is achieved, the assembling accuracy and efficiency are improved, the reworking rate and the defective rate caused by the tolerance problem are reduced, and the production cost is reduced.

The utility model relates to a pair of safety scissors, which comprises a front scissor piece and a rear scissor piece hinged with the front scissor piece. A limiting device is arranged between the scissor front piece and the scissor rear piece so as to limit the opening degree of scissor blades within a specific small range, and the scissor blade overlapping area of the scissor front piece and the scissor rear piece is limited between 0 mm and 2 mm. According to the scissors, the inherent thought of original scissors all the time is broken through, the mode that the front portion of a blade overlapping area is narrow and the rear portion of the blade overlapping area is wide when common scissors are closed is changed into the mode that the front portion and the rear portion of the overlapping area are consistent and narrow, and a sheared object can be conveyed to the inner ends of the two scissor blades only through small opening degree, so that shearing operation is more labor-saving, and shearing efficiency is improved. And some objects which are high in hardness, high in toughness and easy to slide out can be more conveniently sheared. And the limiting device is matched to limit the opening degree of the scissors, so that the safety is greatly improved, the safety purpose that the hands are not easily cut and scratched is achieved, and even children can also safely and conveniently operate the scissors.

The utility model relates to the technical field of tool aprons, and discloses a stainless steel tool apron which comprises a main body, a taking mechanism is arranged in the main body, the taking mechanism comprises a connecting block, a compression spring, a telescopic rod, a rotating shaft, a steering block and a limiting clamping block, and a moving groove is formed in the main body. According to the stainless steel tool apron, the effect that a tool is placed in the main body can be achieved through the use of the placing groove, the tool can be more stably placed in the main body through the use of the moving groove, the connecting block, the compression spring and the telescopic rod, and when the tool is taken out, the tool can be popped out in a near-small range, so that the tool is more convenient to take; by using the rotating shaft, the steering block, the bearing plate, the through groove and the limiting clamping block, the effect of limiting the position of a cutter placed in the main body can be achieved, then the problem of how to take the cutter more safely is solved, and the effect of more convenience and quickness in taking can be achieved.

The utility model discloses a transmission mechanism of a detector, which comprises a frame, a lifting assembly, a support plate and a detection assembly, and is characterized in that the lifting assembly is mounted on the surface of one side of the frame; the supporting plate is fixedly connected with the output end of the lifting assembly, and the middle of the supporting plate is hollow. The bottoms of the two second mounting columns are longitudinally fixed to the upper surfaces of the two first mounting columns correspondingly, the outer wall of the fixed end of the second electric telescopic rod is connected to the middle of the fixing plate in a penetrating mode, the inductive probe is fixedly connected with the bottom of the telescopic end of the second electric telescopic rod, and the surfaces of the second mounting columns are fixedly connected with the bottom of the guide rail. The device solves the problems that when foreign matter information on different depth layers needs to be finely detected, the device can accurately position a preset optimal detection height, can control an error within an extremely small range, and can accurately capture sound wave signals reflected by underwater foreign matters.

This invention provides a shield tunnel construction anti-deviation structure, including a shield machine (TBM), with a tunnel segment connected to one axial side of the TBM. An adjustment mechanism is provided between the TBM and the tunnel segment, adapted to drive the TBM to move radially along the tunnel segment. A positioning groove is formed on the side of the TBM facing the tunnel segment, and a protective opening communicating with the positioning groove is formed on the radially outer side of the TBM. The protective opening is an openable and closable protective opening. This shield tunnel construction anti-deviation structure, through the coordinated arrangement of the sensing mechanism and the adjustment mechanism, utilizes an angle sensor and an angle sensing plate to quickly sense the angular deviation of the TBM, facilitating the adjustment mechanism to deflect the entire TBM, and enabling the TBM to adjust its attitude within a small range, reducing cutterhead wear and increasing the service life of the TBM.

The utility model discloses a seed screening system with a multi-layer screen structure, and belongs to the technical field of seed screening. Comprising a screening box; a movable frame is arranged in the screening box; the coarse screen and the fine screen are fixedly mounted between the inner walls of the moving frame; the feeding hole is formed in the top of the screening box; the discharge ports are formed in the two ends of the screening box; the shaking mechanism and the shaking mechanism are installed between the moving frame and the screening box, seeds are poured into the screening box from the feeding port and fall onto the coarse screen, the shaking mechanism drives the moving frame to move back and forth in a small range, the seeds are conveniently distributed in the width direction of the screen, gathering is avoided, and the seeds and small impurities fall onto the fine screen conveniently; then small impurities fall off from the fine screen, the seeds are screened out and flow out from the discharging port, and when the movable frame moves back and forth, the shaking mechanism synchronously enables the movable frame to shake up and down in a small range, so that the seeds falling into meshes are shaken out, the seeds slide out conveniently, and the seed screening effect is guaranteed.

The invention discloses an erase command processing method and device for storage equipment. The method comprises the following steps: determining a small-range erase block in an erase command; replacing the small-range erasure block with zero data, and setting an erasure flag bit corresponding to the small-range erasure block in the auxiliary storage area for recording address data of logic address information corresponding to the small-range erasure block; configuring an erasure table used for recording logic address information corresponding to all the small-range erasure blocks, and clearing the erasure table after the mapping relation of zero data in the small-range erasure blocks is relieved according to the erasure table under the condition that the storage equipment refreshes the mapping table; and restoring the erasure table through the erasure flag bit and the address data under the condition that the storage equipment is abnormal in storage. According to the storage device, the erasing operation of a small-range erasing block is replaced by a mode of writing 0 data, so that the operation of writing instead of erasing is realized, the purpose of reducing the loss of physical partitions is achieved, and frequent refreshing of a mapping table is avoided.

The utility model relates to the technical field related to medical equipment, in particular to a hand restraint device capable of allowing the palm of a patient to move within a small range. Comprising a mounting ring, a protective cover is mounted on one side of the mounting ring, an observation plate is mounted at the upper end of the inner side of the protective cover, a zipper is mounted on the inner side of the observation plate, a protective layer is mounted on the inner side of the protective cover, the protective cover wraps a palm, and the hand is bound under the condition that each finger is not fixed; a large space is arranged in the protective sleeve, so that the palm of the patient can be adjusted in a small range, more space is provided, the hand tightening feeling can be reduced, the discomfort of the patient is reduced, the patient feels more comfortable in a restrained state, anxiety can be relieved, the condition of the palm of the patient can be observed through the observation plate, and the patient can be protected from being damaged. The state of the palm can be directly observed through the observation plate, the state comprises skin color, swelling, wounds or other pathological changes, and medical staff can quickly make adjustment or treatment decisions according to observation results.

This invention discloses a composite control method for an LLC resonant converter to improve efficiency under light load conditions. The method includes: subtracting the output voltage of the LLC resonant converter from first and second voltage reference values, and then performing PI processing to obtain first and second judgment data; when the first judgment data is greater than a first minimum threshold value, PFM control is applied to the LLC resonant converter; when the first judgment data is less than or equal to the first minimum threshold value, PWM control is initiated, and simultaneously, the second judgment data is compared with the second minimum threshold value. When the second judgment data is greater than the second minimum threshold value, the switches in the LLC resonant converter remain on; when the second judgment data is less than or equal to the second minimum threshold value, all switches are turned off. This invention employs different control schemes in stages according to load changes, enabling soft switching across the entire operating range, narrow frequency range adjustment, and small-range duty cycle variation, thereby improving efficiency under light load conditions.

The invention provides a laser drilling method applied to a zero-taper ultramicropore and application, and relates to the technical field of optical instruments.The drilling method comprises the steps that S1, quartz glass is prepared; s2, cleaning and drying the quartz glass; and S3, clamping and fixing the quartz glass for positioning, and adjusting the focus position of the laser to ensure the perpendicularity of the hole wall. In the laser drilling process, laser with the specific wavelength of 193 nm is selected, 150 w power, 1 mJ pulse energy and 2 ns pulse width which are accurately set are matched, a nanoscale focus position adjusting system based on a piezoelectric ceramic driving technology, a spiral scanning mode and a real-time monitoring feedback correction mechanism are combined, and the laser drilling method is applied to the zero-taper ultramicropore. The problem of taper caused by uneven heating of the hole wall in traditional laser drilling is effectively solved, it is ensured that the perpendicularity error of the machined ultra-micro hole wall is controlled within the extremely small range (within + / -0.01 degrees), and the high-quality machining effect almost without taper is achieved.

The utility model belongs to the technical field of clamping parts, and discloses a clamping device which comprises a mounting base, a clamp, a first fastener, a fixing plate and a second fastener, the mounting base is provided with two symmetrical assembling areas, first assembling holes are formed in the assembling areas, the clamp is arranged on the upper surface of the mounting base, the fixing plate is arranged below the mounting base, and the second fastener is arranged on the lower surface of the fixing plate. The first fastening piece sequentially penetrates through the clamps and the first assembly hole and then is in threaded connection with the fixing plate, the number of the clamps is two, the two clamps and the two assembly areas are correspondingly assembled, and the second fastening piece is used for fixing the fixing plate and the mounting base. The first fastener and the fixing plate are used for preliminarily fixing the clamp and the mounting seat, and the second fastener is used for fixing the fixing plate, so that the first fastener and the fixing plate are connected more stably, and the risk that the clamp moves up and down after working for a long time is reduced. The first fastening piece is screwed in a small range, so that stable assembly of the clamp is guaranteed, meanwhile, the tightening force of assembly of the clamp and the mounting base can be adjusted, and the clamp is smoothly opened and closed during working.

The invention relates to an interface display method and device, electronic equipment and a storage medium, and the method comprises the steps: displaying a target interface which comprises a preset card set; when it is determined that the first trigger operation is detected on the basis of the target interface, a target display sequence is determined, and the target display sequence is used for representing the overlapping display sequence of all the preset cards in the preset card set; determining at least one first device parameter of a first device in the preset device set, wherein the first device is a preset device corresponding to a preset card located at the top layer when each preset card in the preset card set is displayed in an overlapped manner; and displaying the preset cards in the preset card set in a target interface in an overlapping manner according to the target display sequence, and displaying the first equipment parameters in the preset cards corresponding to the first equipment in a control form. According to the method and the device, the user can complete the searching of the card corresponding to the device needing to be controlled and the control of the device in a small range through a single finger, and the interaction experience of the user is improved.

A table workflow checking method, device, medium, equipment and program product, relating to the technical field of computer, can realize small range checking of the workflow in the database table, and improve the checking efficiency of the workflow. The table workflow checking method comprises: in response to a node configuration operation of the workflow, determining a configured first node, the workflow being an automated process created in the table, and the node of the workflow being used for processing data of the table; determining a second node having a dependency relationship with an output parameter of the first node according to node dependency information of the workflow, wherein the node dependency information represents the dependency relationship between the input parameters and the output parameters of different nodes in the workflow; and checking the second node according to the node dependency information to obtain a first checking result, wherein the first checking result represents whether the output parameter dependent on the input parameter of the second node is consistent with the node dependency information.

The invention relates to the technical field of part manufacturing, and provides a hemisphere part manufacturing method and a hemisphere part. According to the method, a second face of a to-be-machined hemisphere part serves as a first machining face, the second face is subjected to inverted table treatment, spherical surface edge interference limitation is effectively solved, a machining process window is widened, and a step area formed after inverted table of the second face is formed; a reference structure with high parallelism and controllable thickness difference is provided, subsequent chamfering and clamping are facilitated, a stable and repeatable reference surface is provided for subsequent optical cement or secondary assembly, after the second surface of the to-be-machined hemispherical part is machined, the to-be-machined hemispherical part is bonded to a mold, and the surface is used as a bonding reference, so that the to-be-machined hemispherical part is manufactured. By means of the technical scheme, when the first face of the to-be-machined hemispherical part is machined, accurate positioning is always kept, eccentric errors caused by repeated disc feeding are effectively reduced, the center deviation of the final part can be controlled within a small range, then the machining difficulty of the hemispherical part is reduced, and the machining yield of the hemispherical part is increased.

The application discloses a dynamic hybrid beam tracking system for satellite communication. The system divides the beam tracking into three operation modes according to the current reference antenna steering in the memory, the antenna steering updated by the mechanical three-axis transmission shaft, the satellite incoming path direction relative to the antenna main shaft direction of the user terminal, the received signal strength indicator and the predefined antenna field of view. The three operation modes include: the first mode, using coarse beams to realize large range tracking at a low sampling rate; the second mode, using fine beams to realize medium range tracking at the same low sampling rate; and the third mode, using fine beams to realize small range tracking at a high sampling rate. The system can realize accurate and adaptive beam alignment to improve the satellite communication efficiency.

The invention discloses a test head overturning accurate docking mechanism, which comprises a rack, a holding arm, a main shaft, a limiting block and a locking mechanism, the main shaft is rotatably arranged on the rack, the holding arm is connected with the main shaft, the limiting block is arranged on one side, far away from the main shaft, of the holding arm, the locking mechanism is arranged on an external test device, and the limiting block operably abuts against the locking mechanism. Through the application of the invention, the invention provides the accurate docking mechanism for the overturning of the test head, which can accurately monitor the overturning position and speed of the test head, so that the test head can accurately reach a preset position in the overturning process, the position deviation is controlled within an extremely small range, and the docking accuracy of the test head and a test device is improved; besides, the testing head and the testing device can be guaranteed not to displace due to factors such as vibration and external force interference in the testing process, the problems of unstable testing signals, testing result deviation and the like caused by looseness of the testing head can be avoided, and the stability and the reliability of the testing process are guaranteed.

The invention relates to a glass assembly and a vehicle, and can solve the problems that in the related technology, the assembly error of installation of an ornament is large, and attractiveness is affected, the glass assembly comprises a glass assembly, an edge covering structure and the ornament which are integrally formed, the edge covering structure comprises an edge covering body, and the edge covering body covers the edge of the glass assembly; the ornament is connected to the edge covering body, the edge covering body is provided with a fixing groove, the ornament is provided with a first end and a second end in the width direction, the first end is inserted into the fixing groove, and the end, away from the fixing groove, of the edge covering body is provided with a first boundary. The second end is arranged in a protruding mode relative to the first boundary, or the second end shrinks inwards by a preset width relative to the first boundary, and the preset width ranges from 0 mm to 3 mm. According to the scheme, the steps of post-assembly of the ornament are reduced, and the problem of assembly errors caused by post-assembly operation is avoided; and the first boundary of the edge covering structure can be hidden in the inner side of the ornament or the exposure width of the first boundary can be controlled within a small range, so that the attractiveness of the glass assembly is improved.

The invention provides an embedded miniature stretching platform for an atomic force microscope in-situ test, and relates to the technical field of material stretching, the embedded miniature stretching platform comprises a base, a transmission case, a transmission unit, a first displacement block, a second displacement block, a third fixed block, a fine tuning block, a fine tuning rod, a force sensor, a temperature control base, a scanning head and the like, and all the parts cooperate to support sample stretching and testing. The motor drives the lead screw to rotate in the same direction through the transmission unit, and the two displacement blocks are driven to move reversely by means of the opposite internal threads of the two lead screw nuts to achieve sample stretching; the first fine-tuning knob drives the fine-tuning rod, the fine-tuning block and the fourth fixing block to move in a small range to adjust the stretching amount, the second fine-tuning knob fixes the fine-tuning effect, and the high-precision in-situ test requirement is met in cooperation with temperature regulation and control and the scanning head.

The invention provides a joint detection area intrusion detection method, and relates to the technical field of platform safety, and the method comprises the following steps: S1, calibrating an intrusion detection area; s2, generating a radar detector detection range and a first preset distance measurement value; s3, adjusting the extension direction of the laser range finder, and generating a second preset range finding value of the laser range finder in the current extension direction; s4, judging whether the distance measurement value of the radar detector is not less than a first preset distance measurement value and the distance measurement value of the laser distance measurement device is not less than a second preset distance measurement value, and if so, not executing the operation; otherwise, the alarm gives an alarm. The small-range close-range detection of the radar detector and the large-length linear detection of the laser rangefinder are utilized to perform joint detection on the intrusion area between the shielding door and the edge of the platform, once the ranging values of the radar detector and the laser rangefinder are smaller than the preset ranging values, it is indicated that someone is in the intrusion area, personnel evacuation is performed in time, and personnel safety is ensured. The train entering and exiting safety is ensured.