217results about How to "Optimize volume" patented technology

The invention provides a structure surface multi-disease three-dimensional measurement method and device, equipment and a medium. The method comprises the steps that an image sequence carrying GPS coordinate information is collected; performing depth calculation on the image sequence by using a three-dimensional reconstruction technology, and performing three-dimensional reconstruction on a scene to generate an initial three-dimensional model; carrying out disease determination and point cloud processing to obtain a three-dimensional point cloud model of a specified color and each disease point cloud instance; using a skeleton extraction method and a boundary point extraction algorithm to extract a boundary point set and a skeleton point set of the skeleton point set corresponding to the crack point cloud, and according to each obtained skeleton point set and the corresponding boundary point set, performing quantitative calculation on the length and the width of each crack; generating a spalling surface grid model by using a Poisson surface reconstruction algorithm and a hole filling algorithm, and calculating and determining the volume of the three-dimensional spalling instance according to the spalling surface grid model; and determining the normal direction of each point of the corrosion cloud instance, generating a grid model by using a Poisson surface reconstruction algorithm, and calculating the corrosion area.

The invention relates to the technical field of foaming agents, and discloses a foaming agent and a preparation method and application thereof.The preparation method comprises the steps that polyethylene glycol and 4, 4 '-N-benzylaniline dicarboxylic acid are subjected to a reaction, then the reaction product and 2-bromoethyl sodium sulfonate are subjected to a reaction, and the foaming agent is obtained. According to the foaming agent, a polyether chain segment of polyethylene glycol serves as a main chain, a large number of sulfonate groups are introduced into a side chain, and the foaming agent shows very high surface activity performance, has very high foam volume and half-life period at different mass concentrations and is very good in foaming performance. And in oil field well water with different mineralization degrees, the foam volume and the half-life period are very high, the salt resistance is excellent, and the high temperature resistance is good.

The present invention relates to a cross-linking agent composition for an olefin copolymer, a sealing agent composition for an optical device, a sealing agent film for an optical device, and an optoelectronic device, in which a compound of formula 1 is applied as an assistant cross-linking agent to a cross-linking agent composition for an olefin copolymer containing an olefin copolymer or to a sealing agent composition for an optical device, thus, an encapsulant composition for optical devices and an encapsulant film for optical devices are formed, which exhibit excellent productivity, high volume resistance and high light transmittance.

The utility model provides an optical system and a car lamp, and relates to the technical field of car lamps, the optical system comprises a circuit board and a plurality of light-emitting units, each light-emitting unit comprises at least one light source and an optical element arranged on the light-emitting side of the light source, and light emitted by the light source is emitted after being transmitted by the optical element; light sources of the plurality of light emitting units are arranged on the circuit board, and the plurality of light emitting units at least comprise an automatic driving identification lamp unit so as to meet the requirement that an identification lamp needs to be turned on during automatic driving of a vehicle; different lighting requirements are achieved through different light-emitting units, light sources of the different light-emitting units are arranged on the same circuit board, compared with a traditional scheme that one lighting function module corresponds to one circuit board, multiple lighting functions are achieved through a single circuit board, the size and the function of an optical system are optimized, and the light-emitting efficiency is improved. The automobile lamp structure using the optical system is suitable for popularization and application of an automatic driving automobile due to the fact that the optical system comprises an automatic driving indication lamp (ADS).

The invention discloses a silencing structure, a compressor applying the silencing structure and an air conditioner. The silencing structure is fixed to a flange of the compressor. The silencing structure comprises an outer cover and a partition plate, the partition plate is located in the outer cover, and a silencing cavity is formed among the lower end face of the partition plate, the flange and the side face of the outer cover; the side face of the outer cover is provided with a first outlet, the end face of the partition plate is provided with a second outlet, and the first outlet and the second outlet are matched to form an exhaust port. The silencing structure further comprises an adjusting assembly, the adjusting assembly acts on the outer cover and the partition plate at the same time, and the partition plate can move up and down in the outer cover so that the volume of the silencing cavity and the area of the exhaust port can be adjusted. The silencing structure provided by the invention replaces a traditional expansion chamber type silencer and has self-adaptive capacity, the volume of the silencing cavity and the area of the exhaust port can be automatically adjusted when the compressor runs, the volume of the silencing cavity is increased and the area of the exhaust port is reduced along with the increase of frequency, and the silencing effect of the compressor is improved. And the high-frequency aerodynamic noise of the compressor is greatly improved under the condition that the low-frequency performance is not influenced.

The invention discloses a room-temperature-cured high-strength high-thermal-conductivity and high-electric-conductivity silver adhesive which is characterized by comprising the following components in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane, 2-6 parts of carbon nanotubes, 200-450 parts of conductive particles, 1-5 parts of a silane coupling agent, 5-12 parts of a cross-linking agent and 0.5-5 parts of a catalyst. The invention further discloses a preparation method of the room-temperature-curing high-strength high-thermal-conductivity and high-electric-conductivity silver adhesive. The room-temperature-cured high-strength high-thermal-conductivity and high-electrical-conductivity silver adhesive has the advantages of short curing time, low volume resistivity, high bonding strength and good electrical conductivity. The product is tested after being placed in an outdoor environment for 12 months for a long time, the volume resistivity and the bonding strength of the conductive silver adhesive disclosed by the invention are hardly influenced, and the conductive silver adhesive shows excellent weather resistance; the product has high stability and can be used for a long time.

The invention discloses tensile strength testing equipment for textile fabric and a method thereof, and relates to the technical field of strength testing. The device specifically comprises a base and side frames fixed to the two sides of the top of the base through bolts, the side wall of each side frame is provided with a clamping testing part, and the clamping testing parts are arranged on the side walls of the side frames. Cloth clamping pieces are arranged to be the oppositely-arranged clamping plates, the clamping plates are connected through inclined movable connection of the lever arms, in addition, the inclined angles of the lever arms are designed in a targeted mode, and therefore when the clamping pieces are subjected to pulling force, the lever arms can conduct negative feedback to adjust the clamping force of the clamping plates, and the larger the pulling force is, the larger the clamping force is, the larger the clamping force is, the larger the clamping force is. The clamping force is increased along with the pulling force, and the clamping force is reduced along with the pulling force, so that the clamping force is self-adaptively and autonomously adjusted without power according to the pulling force, and the service life can be prolonged while the fixing reliability is ensured.

The invention discloses a miniature high-voltage module for a nuclear radiation detector. The miniature high-voltage module comprises a Boost chip circuit, a driving circuit and a voltage doubling rectifying circuit, the input end of the Boost chip circuit is connected with a power supply, the output end of the Boost chip circuit is connected with the driving circuit, and the Boost chip circuit is used for boosting the voltage input into the input end of the Boost chip circuit and outputting the boosted voltage to the driving circuit; the driving circuit is used for providing bidirectional current for the voltage doubling rectifying circuit based on the voltage output by the output end of the Boost chip circuit; and the voltage doubling rectifying circuit is used for amplifying the voltage output by the driving circuit and outputting a target voltage meeting the detection condition of the nuclear radiation detector. According to the module, the Boost chip circuit is adopted, the size of the miniature high-voltage module can be optimized, meanwhile, the miniature high-voltage module is additionally provided with the driving circuit, the requirement of some special detectors for large current is met, and the adaptation degree between the miniature high-voltage module and the nuclear radiation detector can be improved.

The invention provides a modularized rapid detection device of a box-type substation, and belongs to the technical field of operation and maintenance of box-type substations. Comprising a movable vehicle body and a detection system arranged on the vehicle body, and the detection system comprises a control unit, a transformation ratio direct current resistance test module, a high-low voltage switching device and an automatic short circuit device; the transformation ratio direct current resistance test module comprises a variable frequency power supply, a voltage regulator, an intermediate transformer, a compensation capacitor bank, a direct current resistance unit, a transformation ratio unit, a direct current resistance transformation ratio commutation switching module and a measurement module; the direct current resistance unit, the transformation ratio unit, the measurement module, the high and low voltage switching device and the automatic short circuit device are all in communication connection with the interior of the control unit. Through the modular structure and the automatic switching wiring function, the detection process is simplified, the detection of the box-type substation can be rapidly and accurately completed, the detection efficiency is improved, the labor cost is reduced, and meanwhile, the detection reliability and safety are also ensured.

The invention discloses a lightweight underwater target detection method, and relates to the technical field of underwater target detection, and the method comprises the steps: taking YOLOv8 as a reference model, carrying out the feature multiplexing of a network backbone of the YOLOv8 through employing a lightweight RepGhost heavy parameter module, and replacing a convolution layer of the network backbone through employing an SPD convolution module; replacing the network neck of the YOLOv8 with a global feature pyramid GFPN, and carrying out feature fusion; a CLLA detection head is adopted to replace a network head of the YOLOv8, target identification and positioning are improved, and a lightweight underwater target detection model is obtained; and performing performance evaluation on the lightweight underwater target detection model, and applying the lightweight underwater target detection model to an actual scene to realize underwater target detection. According to the method, the problems that accurate detection is difficult to carry out in a complex underwater environment and limited computing resources and light weight of the model is not considered in a traditional method are solved.

The invention belongs to the technical field of electronic reconnaissance, and discloses an ultra-wideband radio frequency receiving front-end SIP module system based on HTCC, which comprises a three-dimensional package for signal transmission, and the three-dimensional package comprises a BGA layer, a package internal signal transmission layer, a top microstrip wiring and a device placement layer; the miniaturization advantage is obvious: the packaging substrate is formed by sintering aluminum oxide ceramic at high temperature, and the packaging substrate has 12 layers and is small in size. And the system integration degree is high: a single SIP module can be integrated with radio frequency front-end systems such as an amplitude limiter, a radio frequency switch, a filter, a low noise amplifier, a digital control attenuator and the like, so that related function indexes are realized. According to the radio frequency transmission line and power supply structure design, the structure comprises a radio frequency signal transmission line and a power supply distribution line. Wherein the routing of the radio frequency layer adopts a quasi-coaxial-strip line-quasi-coaxial structure, and good signal transmission can be realized in a frequency band of 2-10GHz.

The utility model relates to the technical field of solar power generation, in particular to an extensible solar power generation device. An extensible solar power generation device comprises a basic power generation assembly for independently charging an electronic product; and the at least one expansion power generation unit is detachably connected to the basic power generation assembly. The beneficial effects of the utility model are that at least one expansion power generation unit is detachably connected to the basic power generation assembly through the connecting member, the number of the expansion power generation units can be increased or decreased on one side of the control unit, the generation power of the power generation device can be expanded or decreased, and energy distribution and optimal scheduling can be carried out according to self demands; the power generation efficiency is improved, the operation flexibility and stability of the power generation system are improved, the size and the mass of the power generation device can be accurately optimized, and therefore the power generation device is convenient to carry and transport.

On one hand, the utility model discloses a box dam used for reflecting light rays, the surface of the box dam used for receiving the light rays emitted by a light-emitting part and forming reflection is a first surface, the section line of the first surface in the thickness direction of the box dam is in a parabola shape, and the light-emitting part is arranged at the vertex position far away from a parabola opening. A step is further formed on the side, away from the light-emitting part, of the box dam, and a light-transmitting covering part is installed on the step. On the other hand, the utility model further discloses a packaging structure comprising the box dam, millimeter-level LED light source reflection is achieved through the compact box dam structure, near-field dodging within the range of about 1 mm-40 mm away from the LED packaging structure is achieved on the premise that the size and the thickness of the light source are small, and the size and the thickness of the dodging LED packaging structure are optimized.

The invention discloses a phased array high-intensity radiation field system architecture and an optimization test method thereof. The phased array high-intensity radiation field system architecture comprises an excitation source and a preceding-stage power division excitation architecture connected with the excitation source. The preceding-stage power division excitation framework comprises preceding-stage excitation channels and an amplitude-stabilized and phase-stabilized power division network, the preceding-stage excitation channels are connected with the amplitude-stabilized and phase-stabilized power division network, the amplitude-stabilized and phase-stabilized power division network comprises a plurality of power dividers and amplitude-stabilized and phase-stabilized cables, and each preceding-stage excitation channel is connected with one power divider; each power divider is connected with a plurality of final-stage power modules through amplitude-stable and phase-stable cables, and each final-stage power module is connected with a corresponding antenna array element; according to the invention, through a strategy of effectively avoiding a shaped recessed area, the demand of the system for the total output power is reduced; through symmetric design of a forming algorithm, symmetric simplified design is performed on a preceding-stage channel of the system, and the volume of a preceding-stage excitation channel is reduced, so that the purpose of greatly reducing the cost of the system is achieved.

The invention discloses an electric shaver which comprises a first main body and a second main body, the first main body is configured to be grabbed by a hand, the second main body comprises a tool bit and a motor which are connected together, a cutting assembly is arranged on the tool bit, the motor is used for driving the cutting assembly to work, and the second main body is connected to the first main body in a floating mode. And the second main body and the first main body are arranged at an angle a. The floating tool bit has the characteristics of simple structure, good floating effect and good veneering effect of the working surface of the tool bit during operation, and the size is reduced and the space layout is optimized.

The utility model discloses a car roof water tank which comprises a tank body, a water baffle is arranged in the tank body, a buffering opening is formed in the water baffle, and a water inlet and a water outlet are formed in the tank body. And the fixing frame is fixedly connected with the box body and is used for fixing the box body on a car roof. According to the roof water tank disclosed by the utility model, the flowing distance of water is reduced, the buffering opening in the water baffle is used for guiding the water to flow, the impact of the water is reduced, and the vibration effect of the stored water in the driving process of a vehicle is reduced.

The invention provides a mold-testing-free shoulder joint prosthesis with a micropore tantalum coating and an installation method of the mold-testing-free shoulder joint prosthesis, and belongs to the technical field of medical instruments. Comprising a limiting type humerus prosthesis mechanism and a shoulder glenoid spherical prosthesis, the limiting type humerus prosthesis mechanism comprises a humerus handle body, a reference table is arranged at the top of the humerus handle body, a humerus adaptive disc is connected to the top of the reference table, a position correcting assembly is installed in the humerus adaptive disc, a sealing cover is connected to the top of the position correcting assembly, and the limiting type humerus prosthesis mechanism is connected with the shoulder glenoid spherical prosthesis. And a matching assembly is mounted on the top surface of the sealing cover. According to the humerus handle prosthesis, the humerus handle body, the inner handle body and the supporting handle are arranged to replace existing specification type humerus handle prostheses of multiple types, meanwhile, the orientation of a ball socket on the inner buckling disc is changed through the position correcting assembly so that the humerus handle prosthesis can adapt to shoulder glenoid spherical prostheses of different angles, and the problems that an existing humerus handle prosthesis is poor in universality, and the humerus burden of a patient is increased are solved.

The damping mechanism comprises a front fork support, the front fork support comprises two stand columns, a rotating frame, a damping piece and a rotating rod, a front wheel is arranged on the lower portions of the two stand columns through a rotating shaft, one end of the rotating frame is rotatably arranged on the upper portions of the two stand columns, and the other end of the rotating frame is arranged on the damping piece. The other end of the rotating frame is rotatably arranged at the rotating rod, the lower portion of the damping part is rotatably arranged on the rotating frame, the upper portion of the damping part is rotatably arranged on the rotating rod, the damping part, the rotating rod and the rotating frame form a triangular structure, and the shape of a triangle is changed when the length is changed through stress and release of the damping part. Through the triangular structure formed by the damping piece, the rotating rod and the rotating frame, the rotating rod is rotatably connected to the bicycle body support of the electric power-assisted bicycle, and the stable damping function of the front wheel is achieved; meanwhile, the stand column is independently arranged, other expansion structures can be arranged on the stand column, and then the function and the overall size of the electric power-assisted bicycle are optimized.

The utility model relates to the technical field of semiconductor luminescence, and discloses a sensor device, which comprises a substrate and at least two optical chips arranged on the substrate. And at least two light-transmitting glue layers are tightly bonded on the optical chip. The light-transmitting glue layer sequentially comprises a first light-transmitting glue layer and a second light-transmitting glue layer in the direction away from the optical chip. Fence parts are arranged between the light-transmitting glue layers covering the adjacent optical chips and around the light-transmitting glue layers. The bottom of the fence part is connected with the base plate. The sensor device provided by the utility model is high in light energy utilization rate and high in brightness; the precision is high, and the response speed is high.

The invention provides an amorphous alloy material, an elastomer structure and a six-dimensional force sensor. Specifically, the amorphous alloy material comprises Zr, Ta, V, Nb and M, and M is Cr, Al, Ti or Hf. The invention further provides application of the amorphous alloy material in a six-dimensional force sensor. The amorphous alloy material has high yield strength, low Young modulus and high elastic limit. When the amorphous alloy material is used for preparing the six-dimensional force sensor, the six-dimensional force sensor has the advantages of high sensitivity, high precision, wide range, low crosstalk and the like.

The utility model discloses a frequency converter. The frequency converter comprises a housing, a mounting rack, a heat radiation assembly and a frequency conversion main body. The mounting frame is arranged in the shell, an air duct is formed in the mounting frame, and the mounting frame is provided with a plurality of adjacent mounting positions in the air duct in the circumferential direction of the shell; the heat dissipation assembly is arranged in the air duct; the frequency conversion main body is arranged in the air duct and located on one side, in the height direction of the shell, of the heat dissipation assembly, the frequency conversion main body comprises a rectification assembly, an inversion assembly and a control assembly, and the rectification assembly, the inversion assembly and the control assembly are arranged in the installation positions respectively. When the frequency converter provided by the utility model is installed, the heat dissipation assembly with a large volume is arranged in the air channel, and then the rectification assembly, the inversion assembly and the control assembly are respectively arranged in one installation position, so that the structure of the frequency conversion main body is more compact, and the volume of the frequency converter is effectively reduced; and the rectification assembly, the inversion assembly and the control assembly are in modular design, so that the device is convenient to install and disassemble during maintenance, and the maintenance time is reduced.

The invention provides a locking control method for a telescopic camera module of shooting equipment, and the method comprises the steps: detecting the state of the shooting equipment and transmitting a corresponding control signal when the telescopic camera module is in a locking state; if yes, the reverse current of the electromagnetic driving structure is started or increased according to the first control signal, and electromagnetic force facing the locking initial position is generated or increased, so that the moving unit is maintained at the locking initial position or the influence of impact force is reduced. According to the locking control method for the telescopic camera module of the shooting equipment, the camera module can be powerfully protected, the camera module can be quickly responded to stretch out and draw back, the problem that the locking force and the push-out force of an existing locking scheme are contradictory is solved, and the safety of the shooting equipment is improved. According to the camera module, the electromagnetic driving structure can be used as an additional locking structure to be combined with an existing static locking structure for use, and even the existing static locking force can be properly reduced, so that the structure of the camera module is effectively simplified, and the size of the camera module is optimized.

The utility model relates to the technical field of electrostatic spinning, in particular to an environment temperature control device for electrostatic spinning. Comprising a temperature controller and an auxiliary assembly, the auxiliary assembly comprises a nozzle, a spray pipe, an electric valve seat, a display screen, a temperature probe, a pressing plate and a feeding component, and when the nozzle and the spray pipe spray a melt spinning material, the temperature controller controls the environment temperature in a closed area of the nozzle so as to reduce the influence of the environment temperature on the melt spinning material; as the temperature controller is integrated on the outer side of the nozzle, compared with the mode that the whole electrostatic spinning device is placed in a closed space for temperature control, the electrostatic spinning device is smaller in size and lower in energy consumption, the equipment size occupied when the environment temperature around a spinning material is controlled can be optimized in the using process, and the cost is reduced. And the energy consumption for controlling the ambient temperature around the spinning material is effectively reduced.

The present application relates to the fields of gene therapy and molecular biology. More specifically, the present invention relates to a method for producing a modified adeno-associated virus (AAV) capsid and to a modified AAV capsid produced by said method, as well as to an isolated nucleic acid encoding said modified capsid and a vector based on recombinant adeno-associated virus for delivering a heterologous nucleic acid sequence to a subject, which includes said modified capsid.

The invention provides a power-down data storage method and system for an embroidery industrial personal computer in the technical field of embroidery machines, and the method comprises the steps: S1, calculating the unit energy consumption, and setting a storage priority; s2, when the core A of the controller monitors that the power signal is disconnected, a data storage instruction is sent to the core B based on the emergency power supply; s3, the core B closes the peripheral function power supply, and reads the operation data from the cache; s4, calculating the estimated power consumption based on the total data volume and the unit energy consumption of each operation data, and monitoring the residual electric quantity of the emergency power supply; s5, cleaning and compressing the running data to obtain a plurality of compressed data; and S6, based on the estimated power consumption and the residual electric quantity, storing the compressed data according to the priority, and indicating the working state through an indicating lamp. The method has the advantages that the power failure data storage efficiency and reliability of the embroidery industrial personal computer are greatly improved, the battery capacity of the emergency power supply can be properly reduced, the size is optimized, and the cost is reduced.

This application discloses a mechanical massage assembly with off-axis operation and an automobile seat. The mechanical massage assembly includes a first base, a second base, a first drive mechanism, a second drive mechanism, a rocker arm, and a connecting rod. The first base is movable relative to the second base. The first drive mechanism includes a first drive member fixedly mounted on the first base and a rocker arm mounting shaft. The first drive member has a first power output shaft, and the rocker arm mounting shaft is located at the end of the first power output shaft. The central axis of the first power output shaft and the central axis of the rocker arm mounting shaft are arranged at an angle. The second drive mechanism includes a second drive member fixedly mounted on the second base and an eccentric shaft. The second drive member has a second power output shaft, and the eccentric shaft is located at the end of the second power output shaft. The central axis of the second power output shaft and the central axis of the eccentric shaft are parallel to each other but not coaxial. One end of the rocker arm is sleeved on the rocker arm mounting shaft. One end of the connecting rod is hinged to the rocker arm, and the other end of the connecting rod is hinged to the eccentric shaft.

The invention relates to the technical field of remote monitoring systems, in particular to a remote safety monitoring system for intracardiac disease patients, which comprises a monitoring terminal, a handheld terminal and a remote terminal, and further comprises a remote monitoring unit for position data; the danger early warning unit is used for calculating early warning parameters; the heart disease recognition unit is used for generating a heart disease generation signal and sending the signal to a remote terminal; the bidirectional reaction unit is used for acquiring the heart disease occurrence signal, acquiring user position data, screening AED equipment in a range threshold value as target equipment, acquiring a route distance between the target equipment and the user, analyzing and calculating acquisition time between the target equipment and the user by combining a floor where the target equipment is located and a floor where the user is located, and outputting the acquired time; and selecting the target equipment with the shortest acquisition time as recommendation equipment, selecting an optimal center based on the route time consumption between the emergency center position and the user position, and establishing communication connection with the handheld terminal.