52results about How to "High substitutability" patented technology

The invention discloses a three-dimensional grabbing platform based on deep learning and a grabbing method. The three-dimensional grabbing platform comprises a control system, a driving belt system, arobot system, an acquisition system and an object category and pose recognition system, wherein the acquisition system is used for acquiring and preprocessing original three-dimensional point cloud data in a visual field to obtain three-dimensional point cloud data of an object and output the three-dimensional point cloud data of the object to the object category and pose recognition system, theobject category and pose recognition system is used for recognizing the three-dimensional point cloud data of the object by using an object category and pose recognition model constructed based on a deep learning network, determining object category and pose information, and outputting the object category and pose information to the control system, the control system outputs a control instructionto the acquisition system so as to control to acquire the original three-dimensional point cloud data in the field of view, a moving path is planned according to a recognition result output by the object category and pose recognition system, and a control instruction is output to the robot system according to the moving path to control a robot to grab the object.

The invention discloses a pedal durability tester and belongs to the field of vehicle accessories. The pedal durability tester comprises a biaxial double-action type cylinder, two pedals, a rod end joint bearing, a pedal support, an experimental tool and a pneumatic system; two panels are fixed on the experimental tool via the pedal support; the biaxial double-action type cylinder is fixed on the experimental tool; two rod ends of the biaxial double-action type cylinder are connected with the rod end joint bearing; and the pneumatic system is connected to the tester via the biaxial double-action type cylinder. The pedal durability tester has the beneficial effects of capability of carrying out the durability test of the two pedals, convenience for maintenance and change and easiness for the acquisition of a gas source and low manufacturing and maintaining costs; and the reciprocating movement velocity of the cylinder can be continuously adjusted from a low speed to a high speed by adjusting the air inflow of the cylinder so as to meet the requirements on the test speed of the pedal under different conditions.

The invention discloses a universal variable-frequency electromagnetic descaler. The interior of the descaler comprises a one-chip microcomputer main control board which is respectively connected with an LED backlight control module, a lattice liquid crystal display module, a coil power amplifier trigger circuit module, a D/A converter, a coil alarm module, an activate key, a main menu button, a reset circuit module, a parameter setting module, a PC communication module, a measuring module and a key switch through leads, wherein the LED backlight control module is connected with the lattice liquid crystal display module through a lead, the coil power amplifier trigger circuit module is successively connected with a coil power amplification module and an output coil through leads, the D/A converter 7 is connected with a coil power source control module through a lead, and the parameter setting module is connected with a parameter setting button 18 through a lead. The invention further discloses the descaling process of the universal variable-frequency electromagnetic descaler. The universal variable-frequency electromagnetic descaler provided by the invention is convenient to install and use and has good descaling and antiscaling effects.

The invention discloses an adjustable-frequency electromagnetic descaling instrument, which comprises a singlechip main control board, wherein the singlechip main control board is electrically connected with a coil current and power supply voltage measuring module, an LED (Light-Emitting Diode) backlight control module, a PC (Personal Computer) communication module, an alarm module, a parameter giving unit and a current and voltage detection control unit respectively; the LED backlight control module is further connected with a lattice liquid crystal display; the singlechip main control board is connected with a coil power supply control module through a D/A (Digital to Analog) module; a coil power amplification triggering module is connected with a coil power amplifying module; and the coil power amplifying module is connected with the coil power supply control module. The descaling instrument is suitable for descaling and preventing scale under various field running environments and water quality conditions, is arranged in a field wound form, does not damage field pipelines, has the maximum output power of up to 9KW and maximum adaptation pipe diameter of 3 meters, is suitable for the maximum total water hardness of 4,000 mg/L, is suitable for being applied in medium and large-sized industrial enterprises, and is efficient and environmentally-friendly.

A novel copper and steel composite pipe, a manufacturing method, application and a welded structure body is described herein. The novel copper and steel composite pipe includes a copper pipe and a steel pipe. The steel pipe includes a first end, a second end and a middle part. The copper pipe includes a first end and a second end. The length of the copper pipe is less than that of the steel pipe. The copper pipe and the steel pipe are sleeved. The distance from an end surface of the first end of the copper pipe to an end surface of the first end of the steel pipe is less than 10 mm. The second end of the copper pipe is positioned at the middle part of the steel pipe, and the copper pipe and the steel pipe are welded and connected in a way of melting base materials.

A power storage device having both replaceability of a battery module and excellent vibration resistance/impact resistance, includes: a bottom plate having a plurality of lower guide members; a top plate provided above the bottom plate and having a plurality of upper guide members facing the lower guide members; a first side plate and a second side plate provided between the bottom plate and the top plate so as to face each other; a back surface plate provided between the first and second side plates and having a plurality of connectors; a battery module inserted between the lower and upper guide members and having connectors to be fitted to the connectors of the back surface plate; and a pressing plate provided between and fixed to the first and second side plates so as to press the battery module.

The invention relates to a system for the breeding and reproduction of microorganisms, comprising a basin system (10) and a nutrient suspension (12) disposed in the basin system (10), wherein the basin system (10) comprises a vertical meandering system formed by partition walls (14) in order to achieve a substantially vertical flow of the nutrient suspension (12) in the basin system (10). The invention further relates to a method for the breeding and reproduction of microorganisms by means of a system in which light is introduced into a basin system (10) comprising a nutrient suspension (12), wherein the introduction of the light is carried out by way of partition walls (14) projecting into the nutrient suspension (12), said walls being filled with a dispersive liquid. In this manner an improved yield of microorganisms per hectare can be obtained.

The invention discloses a multi-material 3D printing device with replaceable nozzles. A top cover is fixed on an upper port of a feeding cylinder; a heating rod is arranged at the bottom surface of the top cover; a temperature sensor is arranged on the side surface of the heating rod; a throat pipe is obliquely inserted into the outer side wall of the feeding cylinder; the fed materials are injected into a heat insulation pipe of a central through hole of the throat pipe; the lower end surface of the feeding cylinder is eccentrically and fixedly connected to the top surface of a fixed disc; through holes of the fixed disc communicate with the feeding cylinder; a rotating disc is connected below the fixed disc in a hinged mode; a plurality of communication holes are formed in the rotating disc along the circumference; the lower hole end of each communication hole is connected with a corresponding nozzle; a driving motor is arranged on the edge of the top surface of the fixed disc; the groove wall of a circular groove is provided with gear rings; a gear of the driving motor and the gear rings are engaged to form a gear rack pair; and the different communication holes of the rotatingdisc respectively communicate with the through holes of the fixed disc in a matching mode. According to multi-material 3D printing device with replaceable nozzles, the nozzles with different specifications are replaceable according to the requirements of model precision and feeding of different materials, different materials can be used, the heating rod is in contact with the materials, the heating efficiency is high, the temperature can be accurately controlled, and the printing efficiency is higher.

The invention discloses a single-point nano-welding method based on the photothermal effect. Most of existing nano-welding inventions and researches are based on large-scale nanowire networks. A continuous laser is utilized for outputting single-color laser light, the incident power of the single-color laser light is adjusted through a beam attenuator, and then a shutter is used for controlling the transit time of the single-color laser light; the single-color laser light is converted to circular polarization from linear polarization after passing a quarter-wave plate, the light is reflected by a beam splitter in an optical microscope to enter a microscope objective and then is focused at the position, to be irradiated, of a metal nano element, the metal nano element is excited to generate the photothermal effect due to the surface plasmon excimer features, and a melting or welding process occurs. By means of the single-point nano-welding method, the nano element can be rapidly assembled in a non-contact mode, the welding position can be flexibly controlled, damage to a substrate is small, and the structure expansibility in the micro-nano machining field is greatly improved.

The invention belongs to the technical field of polymer materials, particularly relates to a high-gloss polypropylene resin composition, and further discloses a preparation method of the high-gloss polypropylene resin composition, and applications in preparation of high-gloss polypropylene composite materials. According to the present invention, by using the prepared high-gloss polypropylene matrix resin as the raw material and supplementing with the selected nucleating agent and the selected brightener, the anti-impact polypropylene resin with characteristics of good gloss, good impact resistance, good rigidity, high rigidity-toughness balance and low shrinkage rate is obtained while the shrinkage rate is significantly reduced, such that the assembly of injection molding parts and the substitutability of engineering plastics are improved, and the shortcomings in the prior art are effectively overcome.

The invention relates to a control method of a centralized power supply type electric impedance imaging electrode system. The electrode system comprises a plurality of electrode units, wherein each electrode unit comprises a signal electrode, a power supply electrode, a wireless communication module, a power supply module, a signal control module, a high-pass filter, a signal excitation and measurement unit. The control method of each electrode unit comprises the following steps that the signal control module of the electrode unit controls the switching of a excitation state and a measurementstate of the signal electrode according to a received external wireless signal; a signal excitation and measurement module generates a high-frequency signal under an excited state of the electrode unit, and transmits the high-frequency signal to the signal electrode through the high-pass filter, so that the signal electrode is in an excitation state; and the signal electrode is in a measurement state under a measurement state of the electrode unit, high-frequency excitation signals of the other electrodes is transmitted to the signal electrode through an in-tube conducting medium, and is inputted to the signal excitation and measurement module though the high-pass filter to obtain a measurement result.

The invention discloses a load simulation device. The device comprises a protection circuit, a main control board card, a power conversion circuit and a load resistor; the input end of the protectioncircuit is connected with the power supply voltage output end of an electrical system; the output end of the protection circuit is connected with the electricity input end of the power conversion circuit; the input end of the main control board card is connected with the output end of an upper computer; the output end of the main control board card is connected with the command input end of the power conversion circuit; the power conversion circuit converts power supply signals into working electric signals according to a control command; and the electricity output end of the power conversioncircuit is connected with the first end of the load resistor; the second end of the load resistor is connected with the power supply voltage input end of the electrical system; and the load resistor operates under the working electrical signals; and the heating power of the load resistor is equal to power to be simulated. With the load simulation device provided by the embodiments of the inventionadopted, the substitutability of the constant power load of a more electric aircraft can be improved, and the design period of the electrical system of the more electric aircraft can be shortened.

Provided are an optical fiber grating force tactile sensor, a robot and a mechanical fingertip thereof. The optical fiber grating force tactile sensor comprises a fixed plate, a transmission rod, a transmission optical fiber, a first optical fiber grating and a second optical fiber grating, wherein the fixed plate is of a strip-shaped structure and provided with an upper surface and a lower surface; the transmission rod is provided with a deformable cross beam, the transmission rod is fixed to the fixed plate through a fastening part arranged on the deformable cross beam, and the deformable cross beam of the transmission rod penetrates through the upper surface and the lower surface of the fixed plate and is suspended relative to the fixed plate; the deformable cross beam comprises a stress end for perceiving the external force and an auxiliary end located at the end opposite to the stress end; the head end of the transmission optical fiber sequentially penetrates through the stress end of the deformable cross beam, the upper surface of the fixed plate and the auxiliary end of the deformable cross beam from the lower surface of the fixed plate in a pre-tensioned mode, and then the head end and the tail end of the transmission optical fiber are fixed to the lower surface of the fixed plate; the first optical fiber grating is arranged on the portion, close to the lower portion of the auxiliary end of the deformable transmission fiber, of the transmission optical fiber; the second optical fiber grating is arranged on the portion, close to the lower portion of the stress end of the deformable cross beam, of the transmission optical fiber. The optical fiber grating force tactile sensor is compact in structure, can achieve temperature compensation and reduces collection errors.

The invention provides a direct coupling type water-jet guided laser coupling system and method. The system comprises a light transmission cavity, a lens fixing cavity and a nozzle support body which are sequentially, coaxially and fixedly connected from top to bottom; the top end of a light path through hole of the light transmission cavity is fixedly provided with a laser alignment system through a three-axis optical moving platform; an arc-shaped lens groove in which a spherical lens or a hemispherical lens can be placed and positioned is formed in the middle butt joint surface of the lens fixing cavity and the light transmission cavity; and a nozzle is locked on a boss in the middle of the nozzle support body through a nozzle cover, and the top end of the nozzle is exposed and coated with a photochromic material capable of changing color under laser irradiation. According to the direct coupling type water-jet guided laser coupling system and method, the alignment operation of a laser beam and the center of the nozzle can be simplified, the coupling condition of the laser beam and the nozzle can be accurately judged, and the advantages that the nozzle can be assembled and disassembled, and the sealing performance is good are achieved.

The invention provides a modular high-power high-frequency switching power supply. The modular high-power high-frequency switching power supply is characterized by comprising a three-phase alternating-current EMI (Electro-Magnetic Interference) filter (1), a rectification filter circuit (2), a high-voltage direct-current bus (intermediate link) (3), a switch converter module (4), a voltage and current detection unit (5), an output direct-current bust (6), an inner-cabinet bus (7) and a main control unit (8), wherein the main control unit (8) is connected with external equipment through an outer-cabinet field bus interface (PROFIBUS) (9). The modular high-power high-frequency switching power supply has the characteristics of maintainability, replaceability and production uniformity; the device can be manufactured into a modular switching power supply device; a plurality of devices can be connected in parallel with different quantities of standard switch converter modules to meet different power demands, and different field processes.

The invention discloses a human and computer interaction control method, an intelligent television, head-mounted equipment and a system. The human and computer interaction control method of the intelligent television comprises the following steps of receiving a request signal of building a wireless communication link; according to the request signal of building the wireless communication link, sending a response signal within the set period, so as to represent that the wireless communication link has been built; obtaining a wireless human and computer interaction control signal transmitted by the wireless communication link, analyzing the wireless human and computer interaction control signal, to obtain the control action of the wireless human and computer interaction control signal for an object at the current time; controlling the object at the current time according to the analyzed control action. The replacement performance and the portability of human and computer interaction are improved.

Provided is a glass plate substitute film having superior substitutability for glass plates due to having superior impact resistance and light weight compared with glass plates, as well as sufficient scratch-preventing property, blooming resistance and yellowing resistance. The glass plate substitute film of the present invention includes: a substrate layer; and one or a plurality of surface layers overlaid on one side or both two sides of the substrate layer, wherein the substrate layer contains as a principal component a polycarbonate having a constitutional unit derived from a dihydroxy compound represented by the following formula (1), and wherein the dihydroxy compound is an extract of a plant or a derivative thereof. At least one surface layer of the one or the plurality of surface layers preferably contains an active energy ray-curable resin as a principal component. The active energy ray-curable resin is preferably an ultraviolet ray-curable epoxy resin.