19results about How to "Simplified volume" patented technology

This application discloses an acetone sensor based on an ion-conducting copper ion-organic framework and its preparation method, belonging to the field of gas sensor technology. The sensor uses a glass substrate with indium tin oxide (ITO) interdigitated electrodes. The sensitive layer is an ion-conducting copper-based MOF thin film formed by the in-situ coordination reaction of tetrakis(4-aminophenyl)porphyrin and copper ions at the liquid-phase interface, constituting a capacitive gas sensor. In the preparation process, a ligand methanol solution and a copper nitrate solution are first prepared. After plasma cleaning of the substrate, the ligand solution is sprayed onto the copper salt solution interface to form an in-situ film, which is then vacuum dried to obtain the acetone sensor. This application has advantages such as simple process, low cost, high sensitivity, fast response, and good stability, making it suitable for large-scale production. It can be used for non-invasive detection of acetone in diabetic respiration, environmental monitoring, and industrial VOCs detection, showing promising application prospects.

The utility model discloses a telescopic rotary hydraulic cylinder which comprises a first cylinder body, a linear driving mechanism used for linear motion is arranged in the first cylinder body, the linear driving mechanism comprises a first piston and a first movable rod, and the first piston is arranged in the first cylinder body. A first movable rod is fixedly arranged on the surface of the first piston, the first movable rod penetrates through the first cylinder body and extends to the outer side of the first cylinder body, and a rotation driving mechanism used for rotating motion is arranged at one end of the first movable rod; and the rotation driving mechanism comprises a second cylinder body, a second piston, a second movable rod, a connecting sleeve, a driving column, a spiral driving groove, a clamping groove, a ball, a rotating shaft, a transmission column and a transmission sleeve. The hydraulic cylinder is good in using effect, the telescopic function and the rotating function of a traditional hydraulic cylinder are combined, the two functions can be operated independently, and therefore the application range of the hydraulic cylinder can be widened while the overall size of the hydraulic cylinder is reduced.

The invention relates to the technical field of intelligent fastener nondestructive testing, in particular to a high-temperature-resistant intelligent bolt and a stress detection method thereof. The bolt measuring end face is fixedly connected with an integrated chip through a couplant-free high-temperature welding process. The integrated chip is based on a piezoelectric material of a specific cutting type, the surface of the integrated chip is divided into an inner side ultrasonic electrode and an outer side resistance electrode through graphical etching, and dual-mode excitation and in-situ real-time temperature measurement of quasi-shear transverse waves and quasi-telescopic longitudinal waves are synchronously achieved on a single chip. By combining a matched initial wave multiple cross-correlation alignment algorithm, a frequency domain mapping acceleration algorithm and a dynamic temperature compensation algorithm, the problems of coupling medium failure, large temperature measurement error, hardware time drift and the like of a traditional ultrasonic bolt at high temperature are thoroughly solved, and high-precision and long-period dynamic monitoring of the bolt pre-tightening force under the extreme variable-temperature working condition of 280 DEG C is realized.

The utility model relates to the technical field of hydraulic transmission, specifically relates to a horizontal and vertical dual-purpose formula ultrathin hollow rotary oil cylinder, including cylinder body, casing, the casing outside is equipped with the push -in mouth, pull -out mouth, oil return, the casing upper surface outside is provided with the fastening mouth, the casing upper surface is equipped with the installation mouth, the casing middle part is provided with the hollow main shaft, hollow main shaft one end outer wall is equipped with the outer thread, hollow main shaft one end inner wall is equipped with the internal thread, the cylinder body outside is fixedly connected with valve shaft through the fixed peg, the cylinder body upside is equipped with the front lock mouth, rear lock mouth, the cylinder body upside is fixedly provided with the stop mouth, the hollow main shaft sets up in the cylinder body middle part, is connected through the bearing cooperation between the hollow main shaft and cylinder body. The utility model, adapts two kinds of installation postures, satisfies different equipment layout demand, the direction of oil return is not restricted, and the oil return distance is also longer than traditional device, and the overall length is also more short.

The application discloses a kind of high vacuum electric four-knife slit devices, including being arranged in the inside of high vacuum cavity two first blades and two second blades, first slit is formed between two first blades, second slit perpendicular to first slit is formed between two second blades, synchrotron radiation beam enters cavity from one through hole on cavity, respectively pass through first slit and second slit, thereby by four blades around the size of synchrotron radiation beam that slit is restricted, finally from another through hole on cavity, four blades are independently linear one-dimensional motion in its restriction direction, realize the opening and closing adjustment of first slit and second slit, can be adjusted from up and down, left and right, beam line size is adjusted, adjustment is convenient, and adjustment precision is high, assembly precision is high, stability is good, meet the use requirement of beam line.

The application discloses a tunable optoelectronic oscillator based on a DML-SOA laser chip and belongs to the technical field of semiconductor processes. The tunable optoelectronic oscillator comprises a self-feedback laser, the self-feedback laser encapsulates a DML-SOA laser and an optical isolator in a butterfly tube shell, and is sequentially connected with an optical time delay line and an optoelectronic detector through an optical path, the optoelectronic detector is connected with an electrical amplifier through an electric circuit, the electrical amplifier is connected with an electrical coupler through an electric circuit, one of the electrical coupler is connected with a Bias-T through an electric circuit, the other of the electrical coupler is used as a microwave signal output, and a direct-current power supply is connected with the Bias-T and the self-feedback laser simultaneously. The tunable optoelectronic oscillator has the characteristics of compact structure, high signal-to-noise ratio and low phase noise, can realize a P-1 oscillation phenomenon with adjustable frequency interval through simple electrical injection tuning, and has a wide application prospect in the field of optoelectronic integration and microwave signal generation.

This invention discloses a stripe projection 3D imaging system based on a Micro-LED array. Its 3D information acquisition module consists of an integrated packaged Micro-LED driver board, a Micro-LED array, a micro-projection module, and a CCD camera. The 3D reconstruction module utilizes a computer. The micro-projection module is equipped with a plano-convex lens and a mechanical focusing damping structure, and is separately arranged in the front and rear optical paths of the Micro-LED array. The system's workflow is as follows: the driver board reads pre-stored stripe pattern data and timing-controls the Micro-LED array to output coded structured light stripes; the focusing structure adjusts the object distance in the optical path, focusing and scaling the stripes before projecting them onto the surface of the object being measured; the CCD camera simultaneously acquires a sequence of deformed images modulated by the object's shape and transmits it to the computer; the computer combines a multi-step phase-shifting algorithm and Gray code rules to complete phase calculation and unfolding, and, combined with a preset phase-height mapping relationship, reconstructs the 3D shape and point cloud data of the object being measured. This invention enables low-cost, miniaturized, and high-performance 3D shape measurement.

This invention relates to a material conveying device for ramie textile processing, belonging to the field of textile machinery technology. It includes a machine body, a connecting frame mounted on one side of the machine body, a support plate mounted on the connecting frame near the machine body, multiple sets of guide holes at the top of the support plate, and a guide frame mounted on the side of the support plate away from the connecting frame. The guide frame is installed at an angle, and multiple sets of guide tubes are mounted on the top of the guide frame. A de-hairing component is mounted on the machine body near the guide frame. This invention, through the inclusion of a cleaning component, allows the collection mechanism, once full of impurities, to automatically flip into a washing tank for rinsing and cleaning. The filter plate achieves solid-liquid separation, facilitating centralized treatment of burrs. By setting up an integrated de-hairing and collection structure, and utilizing a fan and air holes to create a negative pressure airflow, it can efficiently adsorb free burrs, short fibers, and impurities on the surface of ramie fibers.

The utility model discloses a portable large-size battery module and a pressurizing device thereof, the battery module comprises a positive pole shell, a sealing ring, a positive pole piece, an electrolyte membrane, a negative pole piece and a negative pole shell which are sequentially distributed from bottom to top, the positive plate, the electrolyte membrane and the negative plate are sequentially and tightly stacked in a containing groove defined by the positive shell, the negative shell and the sealing ring, the battery module adopts a stacked electrode design and a full-circumferential sealing structure, and a battery structure formed by connecting a plurality of small batteries in series can be directly replaced; and the volume and the counterweight of the battery module of high-energy-consumption equipment such as an industrial sensor and a micro unmanned aerial vehicle are obviously simplified. The pressurizing device comprises an upper cover and a lower cover or comprises a positioning seat and a pressing block, the upper cover can be pressed downwards relative to the lower cover, and the pressing block can be pressed downwards towards the positioning seat so as to pressurize the battery module. According to the utility model, the brand-new battery module and the pressurizing device are adopted, and the blank of the demand of the market on a large-capacity, high-reliability and integrated miniature power supply is filled.

The utility model relates to the technical field of electrical equipment, and concretely relates to a small -size patch mutual inductor, and the mutual inductor includes support base, fixed ring, magnetic core block, movable copper bar and spin winding coil, and the operator first flows into fixed slot through movable slot with movable copper bar, continues to utilize spin winding coil to spin the through -going pipe in the middle part of support base, and utilizes the magnetic core column in the middle part of magnetic core block to pass through -going pipe and the middle part fixed support base of movable copper bar and spin winding coil, and then utilizes lead pin foot to connect spin winding coil end and can complete structure installation, and the equipment simple structure effectively utilizes through -going pipe to position installation to magnetic core column, and the structure cooperation of movable copper bar and movable slot can simplify installation process, has good practicality and economy, is beneficial to the popularization and use of equipment.

The invention relates to a microfluidic device for analyzing dissolved gas in insulating oil and a control method. The micro-fluidic device comprises a micro-fluidic chip and a heating device, the micro-fluidic chip is provided with an oil sample inlet, a micro-channel area and a gas-liquid separation area, the oil sample inlet is communicated with the micro-channel area, the micro-channel area is communicated with the gas-liquid separation area, a pump cavity used for containing fluid is formed in the micro-channel area, and the heating device is arranged in the pump cavity. The pump cavity is respectively communicated with the oil sample inlet and the gas-liquid separation area, a piezoelectric brake is arranged in the pump cavity, the piezoelectric brake is connected with an elastic pump membrane of the pump cavity, and the heating device is used for heating the micro-channel area; the piezoelectric brake and the heating device are integrated on the micro-fluidic chip, and the micro-fluidic chip is small in size and high in extraction efficiency.

The application provides a rope-driven manipulator and robot, wherein the rope-driven manipulator comprises a first arm and a second arm, and a mounting cavity is arranged in a second connecting joint. A first driving member is arranged in the mounting cavity, so that the mounting cavity is used as a shell of the first driving member, the structure is simplified, and the weight is reduced. The first driving member and the mounting cavity are designed as a whole, and the size of the whole machine is reduced. The first connecting joint is pivotally connected to the second connecting joint, and two ends of a first driving rope are respectively connected to a transmission member and the first connecting joint. Thus, the connecting position of the first connecting joint and the second connecting joint is used as one of rope wheels of the first driving rope, and the volume of the whole structure is further simplified. Moreover, the first driving member drives the transmission member to rotate through a second driving rope, and drives the first connecting joint to rotate around the second connecting joint through the first driving rope, so that the volume of the whole structure is simplified, the precision is improved, and the cost is reduced under the condition of maintaining the double rope driving structure.

This invention provides an adjustable pitch structure for an injection molding machine and an injection molding machine in the field of injection molding equipment technology. The adjustable pitch structure is installed in the injection molding machine, comprising a first drive component and a second drive component. The first drive component includes a fixed base and a movable base, with the movable base housed within the fixed base and its axis coinciding with the axis of the fixed base. The second drive component is housed within the movable base, and its output end is fixedly connected to the moving mold of the injection molding machine. It also includes a first drive system for driving the movable base to move along its own axis. This adjustable pitch structure eliminates the additional connecting parts and space occupied by traditional injection molding machines, resulting in a compact structure, significantly improved space utilization, and enhanced positioning accuracy and mold closing stability for pitch adjustment in the injection molding machine.

This invention discloses a lockable roll-up and retraction device, mainly addressing the problems of existing flexible screen retraction devices being too large, lacking adaptability, and posing a risk of damage during the retraction process. The device includes a housing (1), a scroll (2), a flexible screen (3), a support structure (4), a drive mechanism (5), and a guide locking structure (6). The support structure consists of multiple longitudinally arranged magnetic strips fixed to the back of the flexible screen and magnetic blocks attracted to its sides, forming a unified support for the flexible screen. This support is integrated with the scroll. The guide locking structure employs a parallelogram hinge linkage mechanism. During the retraction process, the drive structure rotates the scroll, causing the support structure and the flexible screen to retract simultaneously. The guide locking structure, under the influence of the support structure's movement, drives a floating locking linkage to move up and down. Upon completion of the retraction, the relative linkages mutually restrict displacement to achieve locking. This invention is small in size, easy to install, and portable, and can be used for the roll-up and retraction of flexible screens.

The present application provides a display device, comprising a driving substrate and an electronic ink layer. The electronic ink layer is disposed on the driving substrate and comprises an encapsulation structure, an electronic ink material, a light source structure and a plurality of light-shielding patterns. The encapsulation structure comprises a partition member and a first encapsulation layer covering the partition member. The partition member encloses a plurality of encapsulation spaces. The electronic ink material is filled in the plurality of encapsulation spaces to form a plurality of display units. The light source structure is disposed on the first encapsulation layer and comprises a first electrode structure, a second electrode structure and a light-emitting unit. The light-emitting unit is disposed between the first electrode structure and the second electrode structure and between the first encapsulation layer and the plurality of light-shielding patterns.

The utility model discloses embodiment relates to the technical field of backlight module, especially disclose a kind of backlight module, display device and vehicle, including light source, total internal reflection lens and light adjusting assembly, light source is used to provide illumination light, total internal reflection lens is set to the light emitting side of light source to make the light spot formed by the illumination light provided by light source present oval, light adjusting assembly is set to the light emitting end of total internal reflection lens, light adjusting assembly is used to adjust at least one attribute in the space intensity uniformity, angle distribution or propagation direction of beam passing.Through the above-mentioned mode, the lens commonly used in prior art can be replaced by using total internal reflection lens, so that the light spot displayed by backlight module presents oval, more adaptation actual image display, only single-row backlight module can realize the display effect of double-layer structure used in prior art, simplify the volume of display device of backlight module with the application, reduce production cost.

The invention discloses a VR right and interest unified updating system based on multiple payment channels. According to the invention, through AES-256 symmetric encryption adopted by the end-to-end encryption component, full-process encryption processing is carried out on right and interest data, each step from data generation to equipment receiving follows a strict encryption rule, illegal interception and tampering are effectively prevented, and a safety barrier of right and interest information is built; the right and interest data compression unit combines LZ77 compression with sliding window Hash matching, so that the data volume is greatly reduced while the right and interest structural features are reserved, the VR equipment can quickly complete right and interest synchronization even in a low-bandwidth environment, and the network transmission delay and resource consumption are reduced; the equipment side right cache and verification unit utilizes SHA-256 hash verification, regularly compares the right data hash value of the local cache and the right data hash value of the server side, and only synchronizes the difference part, so that the data consistency is ensured, the redundancy of full-amount synchronization is avoided, the risk of local malicious tampering is prevented from the source, and the system reliability and the continuity of user experience are comprehensively improved.

This invention discloses a method and system for optimizing immersive, lightweight, and intelligent embedding of short video feed ads, belonging to the field of advertising technology. First, it collects short video data and extracts features, while simultaneously capturing user status and outputting real-time user profile data. Then, it filters ads, performs compliance screening and weight matching, generates embedding plans, calibrates time slots, and outputs precise embedding plans. Next, it performs lightweight processing, noise reduction and purification, point-to-point embedding, image blending, and interactive adaptation on the ad materials, outputting the final optimized immersive short video ad product. Finally, it collects and scores the ad delivery results, and iteratively optimizes parameters based on the scores. Based on this, the invention significantly reduces the size of ad materials, substantially lowers device computing power and bandwidth resource consumption, and fundamentally improves the problems of loading delays, frame drops, and stuttering in short video ads.

The utility model discloses a perforating machine base provided with a novel ruler. The perforating machine base comprises a base body, a slot piece detachably connected with the base body and a ruler body connected with the slot piece in an inserted mode. A first through groove is formed in the slot piece; the scale body penetrates through the first groove and can slide in the length direction of the first groove. The distance between the inner walls of the first grooves is equal to the width of the scale body. According to the utility model, the technical problem that the ruler and the slot cannot be independently replaced after being worn is solved, and the technical effect of independently replacing the slot piece and the ruler body is achieved.