39results about How to "Reduce sharpness" patented technology

The embodiment of the invention discloses an ultrasonic harmonic image generation method and device, electronic equipment and a medium. A specific embodiment of the method comprises the following steps: controlling an ultrasonic transmitting probe to transmit a low-frequency ultra-harmonic signal; controlling an ultrasonic receiving probe to receive the echo signal set to be detected; carrying out compressed sampling processing on the echo signal set to be detected and then carrying out signal reconstruction to obtain a reconstructed echo signal set; carrying out delay superposition processing on the reconstructed echo signal set to obtain a superposed echo signal; performing signal filtering decomposition processing on the superposed echo signals to obtain a super-harmonic signal set; performing envelope detection on the super-harmonic signal set to obtain an echo amplitude information set; and generating a target area ultrasonic harmonic image set, and sending the target area ultrasonic harmonic image set to a target terminal for display. According to the embodiment, by transmitting the low-frequency signal and receiving the ultra-harmonic signal, the attenuation of the received signal can be reduced, the signal penetration depth can be improved, the purity of the received signal can be improved, and the quality and the resolution of the generated ultrasonic harmonic image can be improved.

The invention belongs to the technical field of gear machining equipment.The multi-hole gear machining punching equipment comprises a base, a telescopic rod is installed at the upper end of one side of the base, the outer end of the telescopic rod is sleeved with a sliding sleeve, the side end of the sliding sleeve is in threaded connection with a first positioning rod, a positioning table is arranged at the front end of the sliding sleeve, and a control box is installed at the top end of the telescopic rod; the bottom end of the front side of the control box is movably connected with a movable plate, a drill bit is installed at the side end of the movable plate, a cutting fluid spraying piece is arranged at the bottom end of the movable plate, a driving piece is installed at the top of the control box, and a circulating assembly is arranged in the base. Through the arrangement of the first placing assembly and the second placing assembly, personnel can complete single-hole or multi-hole punching operation of the gear by replacing the corresponding first placing assembly or the second placing assembly, meanwhile, cutting fluid in use can be purified, the working environment of use is guaranteed, the cutting fluid is recycled, and the use cost is saved.

The invention discloses a copper pipe surface defect image detection device and method, and relates to the technical field of copper pipe surface defect detection.The copper pipe surface defect image detection device comprises a base, a supporting frame is fixedly installed at the top of the base, an electric telescopic rod is fixedly installed at the top of the supporting frame, and an image detector is fixedly installed at the free end of the electric telescopic rod; a long rod is fixedly mounted at the bottom of the electric telescopic rod; the anti-shaking device is arranged at the top of the base, the anti-shaking device comprises a rotating disc, a copper pipe body, a sliding rod, a circular plate, a trapezoidal block, an L-shaped rod, an arc-shaped plate, a fixed plate, an L-shaped plate, a supporting seat and a rotating plate, an electric telescopic rod moves downwards to drive a long rod to move downwards, and the long rod moves downwards to push the circular plate to move downwards; the inner wall of the copper pipe body is supported through the arc-shaped plates, a stable detection platform can be provided through supporting, and detection errors caused by external force or equipment vibration are reduced.

The utility model relates to the technical field of plastic uptake product edge cutting, in particular to a forming edge cutting mechanism of a plastic uptake product, which comprises an edge cutting machine, a movable frame is connected to the outer side of the edge cutting machine in a sliding mode, a telescopic air cylinder drives a cutting knife to reset through arrangement of a movable assembly, so that a connecting block pushes a trigger rod and drives a telescopic rod to contract, and the edge cutting machine is used for cutting the plastic uptake product. At the moment, a fixing strip slides in an inclined groove formed in the surface of a connecting plate so as to abut against the connecting plate to move towards the surface close to the cutting knife, when a rotating shaft rotates, a movable shaft, a threaded rod, a sliding block and a toothed plate at the bottom can be driven to move downwards through a belt, and when the toothed plate moves downwards, a gear engaged with the surface and a grinding disc can be driven to rotate; according to the edge cutting device for the plastic uptake product, the used cutting knife is polished, the situation that in the edge cutting process of the plastic uptake product, the cutting knife makes frequent contact with the plastic product and cuts the plastic product, a cutting edge is gradually abraded, and the sharpness is reduced is prevented, the edge cutting quality and precision are improved, and the edge cutting efficiency is improved.

The embodiment of the application provides an insulating film and a battery cell, and belongs to the technical field of battery manufacturing. The insulating film comprises: an insulating film body; a crease line group, the crease line group is arranged at intervals on the insulating film body and is at least two, each crease line group comprises at least two parallel and spaced crease lines; the insulating film body is configured to be bent along the crease line, so as to form a transition part corresponding to the crease line group, and the transition part is arranged between the edge of the battery cell and the fillet of the shell. After the insulating film is bent along the crease line, the sharpness of the bending part is low, the possibility of interference or sliding between the bending part of the insulating film and the fillet structure of the shell is reduced, and the insulating film is more easily loaded into the shell.

To prevent an end of a corner portion in a pattern of a photoresist layer from being blunted, in a photomask (80), a pattern including a light shielding portion (82) and a light transmitting portion (81) forming an electroforming mold having a pattern including a soluble portion (22) and an insoluble portion (21) is formed in a photoresist layer (20) stacked on a substrate (10). When a corner portion (82a) is formed in the light shielding portion (82), a light shielding portion corner correction portion (84) configured to suppress a decrease in sharpness of the corner portion (82a) of the light shielding portion (82) is formed in a region facing the corner portion (82a) of the light shielding portion (82) across a vertex (82b) of the corner portion (82a) of the light shielding portion (82).

This invention provides a building-based facial recognition monitoring device and method, belonging to the technical field of monitoring devices. It includes a mounting box; a monitoring camera rotatably connected to the inner wall of the mounting box via a hinge, with two lenses fixedly mounted on the side of the camera; a washing box fixedly connected to the side of the mounting box and communicating with it; and a washing ring fixedly connected to the side of the mounting box, corresponding to the washing box. A transmission gear, through meshing with two driven springs, drives two pins to rotate, thereby causing two brush heads to rotate. The two brush heads, through rotation, brush away water mist from the two lenses, thus wiping away the water mist. This prevents the camera lenses from being blocked by water mist condensation when the monitoring device is installed at the entrance of an underground parking lot, avoiding a decrease in camera clarity and allowing the monitoring equipment to adapt to humid weather conditions, improving camera clarity.

The invention belongs to the technical field of electric power inspection, and particularly relates to an electric power intelligent inspection large model based on extremely cold regions, which comprises an electric power intelligent inspection system and an inspection robot, and is characterized in that the electric power intelligent inspection system is arranged in the inspection robot; the electric power intelligent inspection system comprises a prediction simulation module, a large model construction module and an intelligent driving module. The prediction simulation module is electrically connected with the large model construction module, the large model construction module is electrically connected with the intelligent driving module, the intelligent driving module is electrically connected with the inspection robot, and the prediction simulation module is used for predicting the inspection speed of the inspection robot. The device solves the problems that when a current inspection robot inspects electrical equipment in an extremely cold area, the inspection speed cannot be controlled at high precision due to the fact that the current inspection robot is influenced by rain, snow and low temperature and the shooting definition is reduced, and the quality of a shot picture is influenced and the inspection quality of the electrical equipment is influenced.

The utility model relates to a wheel set structure for a luggage. The wheel set structure comprises at least one universal wheel assembly used for supporting a luggage body to move. Each universal wheel assembly comprises a rolling wheel and a universal joint with one end connected with the rolling wheel. An integrally formed bearing part is arranged at the other end of the universal joint, and the bearing part is connected with the box body; the bearing piece comprises an edge covering structure connected with the corner edges of the bottom of the box body and a step type installation piece used for being fixedly connected with the box body. By arranging the step type mounting piece, connection between the box body and the rolling wheels can be increased, connection between the box body and the rolling wheels is more stable and firmer, movement of the box body is reduced, meanwhile, the high edge design is arranged, the contact area between the box body and the high edge design can be increased, swinging of the box body is reduced, damage to the box body is reduced, and therefore deformation of the box body can be prevented; and through the design of the raised edges, the support of the bottom of the box body can be increased, so that the bearing effect of the box body can be improved.

This application provides a camera monitoring method and apparatus. The camera monitoring method includes: when a trigger condition for entering a privacy mode is triggered, adjusting the camera's hardware parameters to preset hardware parameters, wherein the image captured by the camera under the preset hardware parameters has lower clarity than the image captured by the camera in a focused state; and using the camera with adjusted hardware parameters to monitor a target scene in privacy mode. This application adjusts the camera's hardware parameters and then monitors when the trigger condition for entering a privacy mode is triggered. Monitoring in privacy mode yields a blurrier image than the image captured in a focused state. Because the adjustment is to the camera's hardware parameters, it is impossible to reconstruct the image captured by the camera in privacy mode, thereby improving the camera's ability to protect privacy.

The utility model relates to the technical field of near-to-eye display, and discloses an optical module and a head-mounted display device, the optical module is composed of a first optical element and a second optical element; the first side surface of the first optical element faces human eyes; the first side surface of the second optical element faces the second side surface of the first optical element, and the second side surface of the second optical element faces the display screen; the optical module satisfies the following conditions: 0 < = sin (theta1) / sin (theta2) < = 7; wherein theta1 is the maximum field-of-view principal ray incident angle of the first optical element, and theta2 is the maximum field-of-view principal ray emergent angle of the second optical element. According to the head-mounted display device, the refraction angle of the light between the lenses can be limited in a proper range while the size of the optical module is miniaturized, the imaging quality and the size of the optical module are well balanced, and the user experience is effectively improved while the miniaturization design requirement of the head-mounted display device is met.

The utility model discloses a base film for optical film relates to optical film technical field. Among them, the base film for optical film, include: matrix layer, a plurality of notches, array setting in two end surfaces of matrix layer, wherein, the two end surfaces of matrix layer are set into the notch of rugged uneven, prevent synovial membrane and avoid needing section passivation treatment. The utility model discloses, solve the existing coiled material existence synovial membrane phenomenon to, and, the coiled material edge after flat knife slitting is quite sharp, when staff along the coiled material edge action is extremely easy to cause cutting injury, thereby to the personnel safety cause the problem of greater hidden danger.

This application relates to the field of demulsifiers, and more specifically, to an oil sludge demulsifier, its preparation method, and its application. An oil sludge demulsifier comprises the following components in the following mass ratio: 20-35 parts of a surfactant complex, 7-12 parts of an alkyl sulfate sodium cosolvent, 0.6-1.8 parts of a stabilizer, and 48-55 parts of water; wherein the surfactant complex comprises hyperbranched polyamide amine and polyether amine modified magnetic nanoparticles. This oil sludge demulsifier improves upon the problems of existing demulsifiers, such as low dehydration capacity, slow dehydration speed, poor demulsification effect, and low oil content, thereby improving the demulsification performance and dehydration efficiency, and achieving effective separation of oil sludge.

The utility model relates to the technical field of liquid crystal displays, in particular to a display screen substrate interval control assembly which comprises a base and a hanging plate, an interval adjusting mechanism is fixedly installed on the side wall of the base and comprises a motor, and a micron-sized two-way lead screw is fixedly installed on an output shaft of the motor. The micron-sized bidirectional lead screw is located in the sliding groove and rotationally installed, the two transmission blocks and the sliding groove are slidably installed, U-shaped clamps are fixedly installed at the upper ends of the two transmission blocks, clamping plates are symmetrically arranged on the inner sides of the two U-shaped clamps, and a glass assembly is clamped between each set of clamping plates. The two transmission blocks move in the sliding groove in the direction close to each other, meanwhile, the transmission blocks move to drive the U-shaped clamps and the sliding blocks to move, then the thickness of an empty box left between the glass assemblies can be controlled, and practicability is improved.

The present invention relates to the field of concrete, and in particular to a kind of ultra-high performance concrete of machine-made sand and preparation process, mainly including the following raw materials by weight: 60-90 parts of water, 70-110 parts of cement, 30-50 parts of coarse aggregate, 25-40 parts of modified machine-made sand, 15-25 parts of fly ash, 8-12 parts of reinforcing fiber, 3-5 parts of quicklime, 1-3 parts of iron powder; the preparation method of the modified machine-made sand comprises the following steps: S11: mixing the modified liquid with the machine-made sand to prepare a mixture; the modified liquid is mixed with chitosan, gelatin and acetic acid solution; S12: heating, drying and crushing the mixture obtained in step S11. The present application has the advantage of improving the anti-permeability performance of machine-made sand concrete.

The utility model provides a constant directivity horn, relates to the technical field of horns, and aims to solve the technical problems of non-uniform sound amplification coverage, short transmission distance and poor sound definition of the horn in the prior art. A constant directivity horn comprises a horn body, the horn body is closed in the circumferential direction and comprises two opposite first side walls and two opposite second side walls, the distance between the two first side walls and the distance between the two second side walls are gradually increased from back to front, and the outer walls of the two first side walls are provided with connecting structures used for being connected with a bass unit. The two first side walls are provided with sounding structures corresponding to the positions of the connecting structures, wherein the sounding structures are used for sounding of the bass unit.

The present invention provides a smoke and fog-penetrating imaging device and method based on a near-infrared band, which relates to the technical field of imaging equipment, and includes: a light source and a camera arranged on the left and right sides of a helmet, wherein the light source and the camera are connected via a synchronization signal line; the light source is a near-infrared laser line scanning light source, and the light source includes a semiconductor infrared laser, a galvanometer, a collimating lens, and a Powell prism; the camera is a near-infrared camera with a rolling shutter exposure function, and the camera includes a near-infrared image sensor and a synchronization signal module, and the exposure mode of the near-infrared image sensor is a rolling shutter form, and the output of the synchronization signal module includes a field synchronization signal and a line synchronization scanning signal. In the present invention, the backscattered light entering the near-infrared camera is reduced by the near-infrared laser line scanning light source and the near-infrared camera rolling shutter mode, and the influence of backscattering on image contrast and clarity is reduced from an optical perspective, thereby improving the imaging quality from the source.

The present invention discloses a puncture needle, which is composed of a needle body and a needle seat. The head end of the needle body is laterally bent, the needle opening is opened on the inner side of the bend and is perpendicular to the longitudinal axis of the needle body, and the needle tip is an arc-shaped cutting surface. Based on this, the inventor has also designed a matching guide wire ejector, and the two together constitute a safe pericardial puncture device. Among them, the puncture needle with a side opening can reduce the sharpness of the tip of the puncture needle, change the direction of the outlet, and reduce the risk of the puncture needle and the guide wire piercing the heart; the guide wire ejector is used in conjunction with the puncture needle, and the guide wire can be automatically ejected from the lateral needle opening into the pericardial cavity at the moment when the needle opening completely enters the pericardium, so as to avoid inadvertent shaking of the puncture needle so that the needle tip pierces the heart and the guide wire is directly ejected toward the heart to damage the heart, thereby playing an immediate role in protecting the heart. Therefore, the present invention can be used to conveniently and quickly implement pericardial puncture, and it is safe, stable and reliable.

The utility model provides monitoring equipment, which relates to the technical field of cameras and comprises a square frame, a cleaning assembly is fixedly connected to the top end of the square frame, an installation assembly is fixedly connected to the bottom end of the square frame, the cleaning assembly comprises a square block, a square block is fixedly connected to the top of the square frame, and a motor is fixedly connected to the inner bottom end of the square block. The driving end of the motor is fixedly connected with a connecting column, the end, away from the motor, of the connecting column is fixedly connected with a clamping plate, the end, close to the motor, of the clamping plate is rotationally connected with a connecting rod, and the end, away from the motor, of the connecting rod is rotationally connected with a rotating plate. Compared with the prior art, long-time complex manual operation is not needed, the installation efficiency and convenience are improved, dust and other shelters around the camera can be cleaned, the definition and the view field range of a lens of the camera are guaranteed, and sheltering or interference of visual information is avoided.

The present disclosure relates to the technical field of solar cell, and particularly relates to a rounded reagent and a photovoltaic cell and a preparation method thereof. A textured pyramid structure is arranged on a poly removal area of the photovoltaic cell, and the top angle of the top of the pyramid and the bottom angle of the bottom of the pyramid are both rounded. The photovoltaic cell has excellent passivation performance and a double-sided rate simultaneously.

The invention relates to the technical field of coconut picking cutters, in particular to a picking cutter special for tropical high-planting coconuts and a packaging box thereof.The picking cutter comprises a blade and a cutter handle, the blade comprises a connecting end fixedly connected with the cutter handle, the end, away from the cutter handle, of the connecting end is fixedly connected with a middle blade part, and the end, away from the connecting end, of the middle blade part is fixedly connected with a cutter front part; the connecting end, the middle blade part and the knife front part are of an integrated structure, the length ratio of the knife front part to the blade is 1: 5, the maximum width of the blade is smaller than the width of the knife handle, the width of the knife front part is smaller than the width of the connecting end and the middle blade part, and the width of the knife handle is gradually increased from the middle to the two ends. The problems that due to the fact that the width of a cutting edge of an existing coconut picking cutter is large, the weight is large, using is strenuous, and due to the fact that a middle cutting edge is used for cutting a fruit stem, the pressing force on the hand back is large, hand fatigue is likely to be caused, working efficiency is low, and the accidental risk of operation in the high-temperature and high-humidity environment can be increased are solved.

The invention discloses an interaction method of an intelligent assistant, a man-machine interaction system and a related device, when the intelligent assistant is not awakened, a first function module is displayed on a man-machine interface at a first display definition, and a virtual image of the intelligent assistant is displayed on the man-machine interface at a second display definition. Therefore, the first function module is clearly displayed on the human-computer interface, and the virtual image of the intelligent assistant is fuzzily displayed. If the awakening operation for the intelligent assistant is obtained, the intelligent assistant is controlled to enter an awakening state, the virtual image of the intelligent assistant is displayed on the human-computer interface with the third display definition, and the first function module is displayed on the human-computer interface with the fourth display definition, so that the virtual image of the intelligent assistant is clearly displayed when the intelligent assistant is awakened. Therefore, when the intelligent assistant is not awakened, it is avoided as much as possible that the virtual image of the intelligent assistant distracts the attention of the user on the function module and shields the function module, and the display effect and operation convenience of the function module are improved.

The utility model discloses a cutting and chamfering machine all-in-one machine for machining an engine shell, which relates to the technical field of engine shell machining and comprises a machining table, a support is fixedly mounted at the top of the machining table, an advancing mechanism is fixedly mounted on the support, and a longitudinal rail is fixedly mounted at the right end of the advancing mechanism. The air cylinder can push the clamping plate to move up and down along the lifting track, the clamping plate is matched with the advancing mechanism to enable the machining mechanism for cutting and chamfering to have the horizontal and height adjusting function, meanwhile, the overturning disc can drive the cutter head to adjust the posture, chamfering machining and grinding can be conducted on an engine shell, the sharpness of the edge of the shell is reduced, and the machining efficiency is improved. The advancing mechanism, the machining mechanism and the longitudinal rail can move circumferentially around the fixed engine shell to machine the engine shell, the all-in-one machine can integrate the cutting function and the chamfering function, and efficient operation of an automatic production line is achieved.

The utility model relates to the technical field of ultrasonic hemostasis tool bits, and discloses an ultrasonic hemostasis tool bit structure which comprises a tool bit part used for being in butt joint with a tool bar. The tool bit part is provided with two guide surfaces and two working surfaces, the two guide surfaces are correspondingly arranged at two ends, the two working surfaces are correspondingly arranged at two ends, and the working surfaces are used for ultrasonic operation; in the direction deviating from the cutter bar, the transverse distance between the two guide faces is gradually reduced, and the transverse distance between the two working faces is gradually reduced. Under the action of the two guide surfaces, the operation space is reduced, the operation wound is reduced, meanwhile, the sharpness is reduced, human tissue is prevented from being accidentally injured, and secondary injury is also avoided, under the action of the two working surfaces, ultrasonic energy is conveniently collected, the hemostatic effect is improved, meanwhile, the working surfaces are obliquely arranged, the visual field of ultrasonic operation is clearer, and the operation efficiency is improved. The safety of the ultrasonic operation is better, the ultrasonic acting force is distributed more uniformly through the working face, and the coagulation effect and the hemostasis effect are improved.

The utility model discloses a pair of bipolar electric tweezers with tweezer tips flush with tweezer pieces, the tail ends of the two symmetrical tweezer pieces are fixed by an insulating fixed seat, the tail ends of the two tweezer pieces are insulated and separated, and the tail ends of the two tweezer pieces are connected with a conducting strip inserted into the insulating fixed seat and are electrically conducted; an insulating layer is arranged on the surface of each of the two tweezers sheets; the front ends of the two tweezers pieces are respectively provided with a tweezers tip, the surface of each tweezers tip is plated with a titanium layer so as to form a titanium layer, the top surface and two side surfaces of the tail part of each tweezers tip are flush and connected with the corresponding surfaces of the front ends of the tweezers pieces, and the bottom surface of each tweezers tip is a plane and is higher than the tweezers pieces. Compared with the existing bipolar electric tweezers, the bipolar electric tweezers have the advantages that the tweezers tips and the tweezers pieces are in uniform transition, the problem of tissue or dirt hanging caused by a step structure can be effectively prevented, the use reliability of the bipolar electric tweezers is improved, meanwhile, the tweezers tip appearance of a new structure is designed, each surface of the tweezers tip appearance is an inclined surface and is matched with cambered surface transition, the sharp degree of the top end of the tweezers tip appearance is reduced, and the service life of the tweezers is prolonged. And the use safety is better.

The invention relates to the technical field of polyester materials, particularly discloses an organic polyester opening master batch for an optical film, and also discloses a preparation method and application of the organic polyester opening master batch. According to the organic polyester opening master batch for the optical film, on the premise that the opening property is guaranteed, the haze of the optical film is reduced, the definition of the optical film is improved, the roughness of the film is reduced, the flatness of the film is improved, and the defects that scratches are likely to be generated are overcome.

This utility model discloses a leak-proof emergency linkage intelligent ventilation window for elderly care communities, belonging to the field of ventilation windows. It includes a ventilation window body, with a first spring fixedly connected to the outer wall of the ventilation window body. The other end of the first spring is fixedly connected to a first cleaning plate for cleaning the outer side of the glass of the ventilation window body. Through the arrangement of a first cam, a first cleaning plate, a first spring, and a first connecting block, when the rotating rod drives the first cam to rotate, the first cam rotates to contact and press against the first connecting block, causing the first cleaning plate to move back and forth, improving the cleaning effect on dust and impurities on the glass. This device makes cleaning dust and impurities on the outer side of the ventilation window body glass more convenient, preventing the tediousness of manual cleaning and avoiding the reduction in clarity of the ventilation window body glass due to the accumulation of dust and impurities over a long period, thus improving the elderly's ability to recognize external objects.

The invention relates to the technical field of water cup processing equipment, and discloses an inner and outer container processing device for heat preservation water cup manufacturing, which comprises a processing table as a basic component of the whole device and used for assembling and bearing all processing mechanisms and subordinate structural parts thereof; and the six processing station seats are a first processing station seat, a second processing station seat, a third processing station seat, a fourth processing station seat, a fifth processing station seat and a sixth processing station seat in sequence and are used for sequentially processing cylindrical raw materials when the inner container and the outer container of the heat preservation water cup are processed. By adding and arranging the end opening processing mechanism, the end opening processing mechanism can finely polish burrs on the end opening of the raw material cut into the barrel shape, the surface of the raw material is smoother and smoother, the mechanism can passivate the edge opening position of the end of the barrel-shaped raw material, the sharpness degree of the edge opening position can be greatly reduced through the processing mode, and the processing efficiency is improved. And the use safety of the inner container and the outer container of the vacuum cup after processing is greatly improved.

The invention provides a trimming method of a bonded wafer and a wafer, relates to the technical field of wafer preparation, and can reduce the edge and fragment risks in the wafer trimming process. The trimming method comprises the steps that the ith wafer is processed in sequence to form N wafer stacks, the ith wafer processing comprises the steps that the edge area of the front face of the ith wafer is trimmed, and the trimmed ith wafer is in a boss shape; enabling the convex part of the ith wafer to face the (i-1) th wafer for bonding; the back face of the ith wafer after bonding is thinned; trimming the edge area of the ith wafer after the back side is thinned, and trimming the edge area into the first wafer in the thickness direction; the edge region trimming comprises the following steps: thinning the first edge region of the ith wafer; carrying out oxidation treatment on the surface of the ith wafer after edge thinning; and a second edge area of the oxidized ith wafer is subjected to edge trimming, edge trimming is conducted in the thickness direction to the first wafer, and the first edge area is completely covered with the second edge area.