289results about How to "Outstanding substantive features and notable progress" patented technology

The invention discloses conductive ink based on a graphene composite material and a preparation method thereof. The conductive ink is prepared from the following components in parts by mass: 1-30 parts of a functional graphene composite material, 1-70 parts of a resin coupling agent, 5-60 parts of a solvent and 1-40 parts of an auxiliary. According to the method, graphene is modified into a functional graphene composite material, low density and high conductivity of graphene can be maintained, the situation that graphene is easily agglomerated and difficult to disperse can be improved, and then affinity between conductive filler and a resin connecting material is improved, so that the high-conductivity conductive ink under a low-content conductive agent can be successfully prepared. The conductive ink is simple in preparation method, stable in system, good in conductivity and easy to print, has a flexible and abrasion-resistance membrane layer, can be widely applied to radio frequency tags, intelligent package, film switches, conductive circuits, sensors and other light flexible electronic products, and has a huge market prospect.

The invention provides a share express delivery box, which comprises a box body; the top part of the box body is provided with a box cover which can upwards overturn and open, and an intelligent box is arranged between the box body and the box cover; a share express delivery box identifying two-dimensional code is arranged on the box body and/or the box cover, and comprises a sole logo informationof the share expression delivery box; the intelligent lock comprises a lock shell, a wireless signal receiving module, a control module, a power module and a lock tongue driving mechanism are arranged in the lock shell. The invention aims to provide the share express delivery box which can be recycled for many times and can save resource and reduce environmental pollution for not being sealed bya rubber belt; the invention further provides an express delivery method applying the share express delivery box, which can effectively improve the working efficiency and protect personal privacy.

The invention relates to the field of airbrushing equipment used for airbrushing the surface of a stereoscopic object and provides an airbrushing method and an airbrushing head which are used for airbrushing the surface of a special-shaped stereoscopic object and are high in airbrushing efficiency in order to overcome the defects in the prior art. The airbrushing head structurally comprises at least two sets of airbrushing head modules, airbrushing holes are distributed in each set of airbrushing head module in a matrix mode, and a certain angle exists between the airbrushing head modules. According to the method, the angle between the airbrushing modules is controlled to change so that the distance between any working airbrushing hole in the airbrushing head modules and airbrushing points on a printing medium is 1-15mm. The distance between the airbrushing holes and the concave-convex surface of the printing medium is kept in a reasonable range, and it is ensured that an airbrushed picture is not deformed.

The invention provides a stereo matching optimization method of a binocular visual system. The method comprises a step of using the binocular visual system to gain a binocular image; a step of correcting a distortion and polar line of the binocular visual system; a step of transferring the binocular image from a colorful image into a grayscale image; a step of regarding one of the grayscale images as a basic standard and matching with another image according to pixel masterplate; a step of optimizing ZNCC factor; a step of regarding the optimized ZNCC as a similarity measure to calculate in a matched mode so as to ensure matching parallax of each pixel point; a step of producing a dense disparity map according to the matching parallax of each pixel point. The method has the advantages of reducing times of calculation greatly and reducing calculating load of computer chip greatly by optimizing a computational formula of the ZNCC factors and calculating method. The method can improve real-time performance of the stereo matching as well as reducing cost of day-to-day and military high-precision image identification.

The invention belongs to the coal gasification field, which particularly relates to a coal gasification cooling technique method and a device. The technical proposal comprises a two-segment gas producer, a cyclone dust extractor, an electro tar precipitator, an electro tar light oil device, an ail cooling device, an indirect gas cooler and a waste heat exchanger, which can improve gas quality, water content of coal gas can be lowered to 40g/Nm3, and the sum of the contents of dust and coke tar in coal gas (anthracite coal/coke to be raw material) is no more than 50mg/Nm3. The coal gasification cooling technique method and the device save energy resource, lower consumption, and reduce the pollution of dust and phenol water to environment.

The invention provides an electroplating device for a printed circuit board. The electroplating device comprises a plating tank the middle part of which is used for passing through of the printed circuit board, one or more anode plates arranged at any one side or two sides of the printed circuit board, and nozzles which are arranged in the planting tank and are opened towards the printed circuit board, wherein through holes penetrating through along the thickness direction thereof are formed in the anode plate; the nozzles are fixedly arranged on the anode plate; and the openings of the nozzles are matched with the through holes. Compared with the prior art, on the premise of not changing the distance between the nozzles and the printed circuit board, the distance between the printed circuit board serving as a cathode and the anode plate is greatly shortened to 2-3cm, on the one hand, the thickness uniformity of a surface electroplated coating of the printed circuit board is effectively improved, and on the other hand, the electroplating efficiency is greatly enhanced, and the energy consumption is lowered.

The invention relates to the technical field of artificial intelligence. The invention discloses an intelligent recovery system for electronic products. The system comprises: a database module, a calculation module, a system operation module and a terminal equipment module, the database module comprises an external resource module, a system operation module, a recovery standard module, a data acquisition module, a metadata module and a data processing module; the calculation module comprises a recovery level module, a system quotation module and a deep learning module; the system operation module comprises a system operation module body, an application operation module and a system security module; and the terminal equipment module comprises a man-machine interaction module, an identification acquisition module and an article circulation storage module. Accurate identification, self-service recovery and reasonable pricing of the electronic product are realized, the recovery work of the electronic product is completed through intelligent whole-process self-management and control, and the recovery service quality and the operation efficiency are improved.

The invention belongs to the field of general building construction, in particular to a combination-typed off-loading component cast-in-situ hollow floor and a construction method. The invention adopts a technical proposal that the invention comprises off-loading components which are fixed between an upper layer reinforcement and a lower layer reinforcement by a fixed connecting part; the concrete is filled in the gaps between the off-loading component and the reinforcement in the whole floor and between the off-loading components; the off-loading component comprises at least two cylindrical or box-shaped or spherical off-loading cells; the off-loading components are intermittently or compactly arranged; the off-loading components with different shapes are combined and applied; the type and form of the off-loading components are smartly arranged according to the requirement, thus having the advantages of good porosity, good quality, light self-weight and optimum section.

A commutator with cold-pressed end face is made up of circular copper wire through cutting, cold pressing, cleaning, shaping, turning, milling slot and bending. Its advantages are simple technology, no spark and noise generation, and long service life.

The invention relates to a dye composition, in particular to a high washing fastness dispersed dark blue dye composition. The high washing fastness dispersed dark blue dye composition is composed of 35 % to 50 % of dispersed red, 20 % to 40 % of dispersed golden yellow, 10 % to 30 % of dispersed purple and 10 % to 30 % of dispersed yellow in a mixing mode, and the balance auxiliaries. The dispersed red is the combination of one or more kinds of compounds shown in a formula (1); the dispersed golden yellow is the combination of one or more kinds of compounds shown in a formula (2); the dispersed purple is the combination of one or more kinds of compounds shown in a formula (3), and the dispersed yellow is the combination of one or more kinds of compounds shown in a formula (4); when the high washing fastness dispersed dark blue dye composition is used for dyeing of spandex fabrics, the dyeing effect is good, the color fastness is good, and the quality of the spandex fabrics can be greatly improved.

The invention relates to the technical field of data security, and discloses a data encryption security storage method and system based on a cloud platform and a storage medium. The method comprises the following steps: segmenting original data; establishing a key distribution system and a server storage group; calculating the weight of the storage node, and storing the original data file and theunit file; carrying out data reconstruction when the main storage node or the copy storage node is abnormal; and arranging a storage system in a matching manner. According to the method, excessive supply of resources is reduced, rapid and parallel recovery from storage faults can be achieved, effective balance of storage and loads can be achieved, unpredictable security threats caused by secret key leakage are reduced, good security and privacy protection characteristics are achieved, and the security and risk resistance of data storage are guaranteed.

The invention provides a culture method for a tricholoma matsutake liquid strain. The culture method includes the steps that a culture medium for the tricholoma matsutake liquid strain is prepared, the culture medium for the tricholoma matsutake liquid strain is inoculated with a tricholoma matsutake stock seed for sealing culture, and after hyphae of the tricholoma matsutake stock seed germinate, the culture medium for the tricholoma matsutake liquid strain is shaken once every day until the tricholoma matsutake liquid strain is obtained. The culture method for the tricholoma matsutake liquid strain is easy to operate, cultured richoloma matsutake liquid strain hyphae grow fast and are contaminated by other strains little, the hypha output rate is high, and cost is low.

The invention provides a vehicle keyless entry and starting system and method based on Internet of vehicles. The system comprises a cloud end, at least one vehicle end and at least one intelligent terminal. The cloud end comprises a trusted cloud server, a certificate server and a third safty module; the vehicle end comprises a vehicle entering and starting control module, a vehicle end short-range communication module and a second safety module; and the intelligent terminal comprises an intelligent terminal control module, a terminal short-range communication module and a first safety module.When the cloud end, the vehicle end and the intelligent terminal carry out identity authentication, the cloud end carries out identity authentication on the vehicle end and the intelligent terminal respectively, and then the vehicle end and the intelligent terminal carry out identity authentication on the cloud end respectively. Direct mutual authentication between the intelligent terminal and the vehicle end is avoided, consumption of storage and computing resources of the intelligent terminal is reduced, and a problem that a vehicle key is not universal among vehicles of different brands issolved.

The invention discloses an electric type joint rehabilitation training system based on remote control and an implementing method of the electric type joint rehabilitation training system. The electric type joint rehabilitation training system based on the remote control and the implementing method of the electric type joint rehabilitation training system mainly solve the problems that an existing rehabilitation training device is poor in precision of regulation of a training angle and large in error between the training angle and planned training angle. The electric type joint rehabilitation training system comprises a training protective equipment body, a telemedicine terminal, a control terminal which is connected with the telemedicine terminal, a transmission mechanism which is arranged on the training protective equipment body and an angle measuring device used for measuring the training angle of the training protective equipment body, wherein the transmission mechanism and the angle measuring device are both connected with the control terminal. The electric type joint rehabilitation training system based on the remote control is reasonable in design, high in precision of regulation of the training angle, convenient to use, good in training effect and suitable for popularization and application.

The invention provides a permanent magnet synchronous motor rotor location full-order sliding mode observation device and method. The device comprises a full-order sliding mode observer, a saturationfunction processing module and a phase-locked loop module; in the method provided by the invention, an observation value as shown in description of the stator current can be output after the stator voltage us of the permanent magnet synchronous motor processed through a full-order sliding mode observer; the current error as shown in description is obtained after making the difference processing onthe value as shown in description and the stator current value is; a sliding mode function control vector F(S) is output after the value as shown in description processed through the saturation function processing module; the sliding mode function control vector F(S) in the saturation function processing module adopts a hyperbolic tangent function with adjustable boundary layer thickness, the adjusting of the boundary layer thickness is performed according to the rotating speed self-adaptive law of the switch gain gr, the counter electromotive force observation error as shown in description is obtained after the FS processed through a sliding mode gain matrix G1, the back counter observation value as shown in description is output after the value as shown in description processed througha full-order sliding mode observer; the value as shown in description is served as a state variable to be fed back to the full-order sliding mode observer to participate the update computation; a permanent magnet synchronous motor rotor location observation value as shown in description and the rotating speed observation value as shown in description are output after the value as shown in description is processed through the phase-locked loop module.

The invention relates to a runoff type electrostatic water collection device which comprises a front discharge net (1), wherein a water collecting electrode (8) for condensation and electrostatic adsorption of water mist is arranged behind the front discharge net (1), the water collecting electrode (8) is formed by porous foam metal or a plurality of corrugated plates, cellular boards or silk screens which are arranged in parallel, the front surface of the water collecting electrode (8) is parallel to the front discharge net (1), and through electric connection with a high-voltage direct-current power supply (3), potential difference is generated between the front discharge net (1) and the water collecting electrode (8). A cooling tower with the runoff type electrostatic water collection device comprises a tower body (10) arranged along the vertical direction, wherein the tower body (10) is internally provided with at least one runoff type electrostatic water collection device. The invention aims at providing the runoff type electrostatic water collection device which has good water mist removal effect, high water recycling efficiency, stable work performance, low running cost, energy conservation and environmental protection properties, and long service life and the cooling tower with the runoff type electrostatic water collection device.

The invention provides a double-surrounding rotating structure. The double-surrounding rotating structure comprises a primary rotating portion and a secondary rotating portion, wherein the primary rotating portion comprises a circular projection portion, an inner-surrounding annular groove and an outer-surrounding annular projection portion; the secondary rotating portion comprises an inner-surrounding annular projection portion and an outer-surrounding annular groove; the inner-surrounding annular projection portion is arranged in the inner-surrounding annular groove; the outer-surrounding annular projection portion is arranged in the outer-surrounding annular groove, so that the primary rotating portion and the secondary rotating portion can rotate relatively; and the surrounding rotating structure cannot be separated due to multiple limiting structures. According to a double-surrounding tube rotating structure based on this, a rotating travel crack is formed in a relative rotating side, and thus, tubes rotate relatively and are not separated in the axial direction. Furthermore, an integrated tube rotating structure based on the structure is designed, rotating contact surfaces ofthe primary and secondary rotating portions are or comprise radial limiting oblique surfaces, and thus, the two tubes cannot be separated from each other in the radial direction. Finally, a snake bone for a medical endoscope and an endoscope are further provided on the basis of the design, and have the advantages of high stability and low cost.

The invention relates to the technical field of sandstone detection, and discloses a machine-made sand vibration measurement system, which comprises a vibration screening module, an image acquisitionmodule, a data preprocessing module and a particle size data detection module; the vibration screening module is used for performing demand screening on the machine-made sand; wherein the image acquisition module is used for acquiring video images of the particles in different angle states, the data processing module is used for extracting the video images frame by frame and converting the video images into binary image data, and the particle size data detection module is used for drawing contour curves of the particles and acquiring the surface thickness and the particle size of the particles. According to the invention, gravel can be effectively screened and detected, the screening and detecting quality is improved, the detecting error is effectively reduced, and the detecting timelinessand accuracy are improved.

The invention discloses a mask structure with a sound amplifying function. The mask structure comprises a mask main body and elastic ear bands connected to two ends of the mask main body. The mask structure is characterized in that the mask main body is formed by punching a filter material into an arch matched with the mouth and nose part of a person through a die; a stepped connected groove is formed at the position, corresponding to the mouth and nose of the person, of the inner side of the mask main body; a silica gel clamping groove is attached to the connected groove; an air grate box with a built-in sound amplifying circuit is clamped in the silica gel clamping groove. The mask structure is skillful in design and reasonable in structure; the mask has a high protective effect and language communicating convenience, is a technical innovation in the field of masks and has important technical research significance and wide development space.

The invention relates to the field of neural network algorithm hardware implementation, and discloses a quantitative calculation method and system for a convolutional neural network. The quantitativecalculation method comprises the steps of: allowing all calculation layers of a convolutional neural network to be respectively matched and quantized in a multi-valued quantification mode and a multi-bit quantification mode according to the calculation precision and calculation capability requirements, allowing the calculation layers after multi-bit quantification to be mapped to a high-precisionarray, and carrying out high-precision calculation; and mapping the calculation layers after multi-bit quantification to a high-calculation-power array, performing high-calculation-power calculation,and completing calculation of the convolutional neural network according to a high-precision calculation result and a high-calculation-power calculation result in combination with non-calculation layers. According to the invention, the reasoning speed of the convolutional neural network is increased; the accuracy is ensured; meanwhile, the network power consumption is reduced as much as possible;and high practical value and wide application prospect are achieved.

The invention relates to the technical field of geological equipment, and discloses a geological disaster station based on Beidou satellite high-precision monitoring and a control system. The stationcomprises a monitoring body and a buried box that are matched, wherein the system comprises a control center and a plurality of geological disaster stations. The geological disaster station can warn dangers in advance, can get displacement information of sliding mass in real time so as to predict and prevent sliding disaster, and achieves effects of early warning and self-control, thereby having high practical value and bright application prospect.

The invention provides a diagnosis and treatment device for joint soft tissue pain. The diagnosis and treatment device comprises a non-polar adjustable pulse gun and a data processing module. A forcesensor is installed on a hitting head of the non-polar adjustable pulse gun. The data processing module comprises a CPU, a voltage stabilizing circuit and a driving circuit. The voltage stabilizing circuit is externally connected with a power supply and the CPU and supplies power to the CPU. The input end of the driving circuit is connected with the CPU. The output end of the driving circuit is connected with a coil of the non-polar adjustable pulse gun. Hitting power data sent out by the CPU is converted into current control signals of the coil, and the hitting actions of the hitting head aredriven after the coil is powered. The force sensor is connected with the CPU, the feedback force data obtained by the force sensor is sent to the CPU, and the CPU judges the muscle stiffness degree according to the difference value of the output hitting force data and the feedback force data. The diagnosis and treatment device has the advantages of being scientific in design, simple in detection,ingenious in concept and high in precision.

The invention discloses a fruit freshness identification method, device and system based on smell information BP neural fuzzy identification. The method comprises the steps of: collecting smell information emitted by a fruit to be tested, preprocessing the collected smell information, and extracting smell characteristic parameters; respectively inputting the extracted smell characteristic parameters into each trained BP neural network model for calculation to obtain a calculation result of each characteristic index for measuring the freshness of the fruit by a single factor; calculating a comprehensive score of the freshness of the fruit to be tested by using a fuzzy comprehensive evaluation method according to the calculation result of each characteristic index, and finally obtaining an identification result of the freshness of the fruit to be tested. According to the fruit freshness identification method, device and system disclosed by the invention, the BP neural network is combinedwith an ordinary matrix multiplication to perform smell identification, the freshness of the fruit is evaluated in combination with a fuzzy sensory identification algorithm, the freshness of the fruit can be accurately identified, and the fruit freshness identification method, device and system are suitable for the technical field of quality detection using wireless sensors.