125results about How to "Positive technical effect" patented technology

The invention relates to an incremental magnetic induction bus type encoder for a high-speed high-precision machine tool main shaft and electric main shaft. The incremental magnetic induction bus type encoder comprises a measurement gear and a magnetic induction read head; a magnetic induction component, a signal conditioning circuit, a reference zero point comparator circuit and a FPGA (Field Programmable Gate Array) interpolation sub-division circuit are arranged in the magnetic induction read head; the magnetic induction component is installed to be tangent to the circumference of the measurement gear; the magnetic induction component performs non-contact scanning on the measurement gear to produce a sine and cosine orthogonal differential signal and a reference zero-point differential signal, after the sine and cosine orthogonal differential signal and the reference zero-point differential signal are conditioned through the signal conditioning circuit, the DC biased error, the amplitude error and the orthogonal-phase error of the sine and cosine orthogonal differential signal and the reference zero-point differential signal are corrected and compensated in real time by the FPGA interpolation subdivision circuit, thereby respectively generating a relative position value of a rotating angle of a rotating shaft with respect to the power-on moment and an absolute position value of the rotating angle of the rotating shaft with respect to the reference zero-point signal in combination with the reference zero-point comparator circuit; the mechanical transmission structure is simple, the machine tool main shaft positioning and the repeated positioning precision are improved, and the overall measurement precision and processing efficiency of a numerically-controlled machine tool are improved.

The invention discloses a full automatic heat pipe degassing and sealing device. The full automatic heat pipe degassing and sealing device comprises a feeding mechanism, a conveying mechanism and a mould pressing mechanism which are connected with a control system; the feeding mechanism comprises an aggregate bin and a feeding arm correspondingly arranged at the lower end of the aggregate bin; the conveying mechanism comprise a rotary arm, a rotary air cylinder and an air paw with a heating bar, wherein the rotary air cylinder is arranged at the lower end of the rotary arm, the lower end of the rotary arm is arranged on one side of the feeding arm, and the air paw with the heating bar is arranged in the middle of the rotary arm; the mould pressing mechanism comprises a clamping air paw, a thermoelectric couple, a shearing knife, a shearing air cylinder, a flattening air cylinder and a flattening die, wherein the clamping air paw is arranged at the upper end of the rotary arm, the thermoelectric couple, the shearing air cylinder and the flattening air cylinder are arranged above the clamping air paw in sequence, and the shearing knife is arranged at the end of the piston rod of the shearing air cylinder. The full automatic heat pipe degassing and sealing device has a simple structure and high degree of automation, improves the degree of automation of the heat pipe production process, ensures the heat transfer property of a heat pipe, and greatly improves the conventional production efficiency of the heat pipe.

The invention discloses a reaction gas humidifier for a proton exchange membrane fuel cell, comprising a humidification tank, a heating jacket, a thermocouple, a porous metal material, an inlet air pipe, an outlet air pipe, purified water, a temperature controller, a gas flow controller and the like. The humidifier can control the reaction gas humidification of the fuel cell accurately, has the advantages of adjustable humidification amount, ideal humidification effect, no liquid water drops, high humidification speed, simple and practicable device, lower cost and the like, and can be suitable for a test experiment system of the proton exchange membrane fuel cell.

The invention discloses a router and a router Network access control method. The method includes the steps that computing devices of an access network are recognized; an appointed device to be managed and controlled is acquired in the one or more recognized computing devices; a control strategy is set for the device to be managed and controlled; Network access control is performed on the device to be managed and controlled on the basis of the control strategy. According to the router and the router Network access control method, the Network access management and control strategy is set on the router for the appointed managed and controlled device, the Network access behavior of the managed and controlled device can be managed and controlled fundamentally, the managed and controlled device can be managed and controlled while no software and hardware compatibility configuration needs to be performed on the managed and controlled device, and management and control efficiency is greatly improved.

The invention discloses a flexible electromagnetic pole compounding tool which comprises a base body of the tool and an abrasive particle layer, wherein the abrasive particle layer comprises abrasive particles and an abrasive material binding agent layer; the abrasive particles are combined with the end part of the base body through the abrasive material binding agent layer; and magnetic powder particles (protection layer) induced to discharge are also attached to the surface of the abrasive material binding agent layer. The abrasive particle layer is of a multi-layer structure; if the abrasive particles are naturally worn, the protection layer can be temporarily weakened or eliminated by controlling the magnetic field or by other ways; and the abrasive material binding agent of the worn layer is removed by use of an electric arc effect and the new sharp abrasive particles on the lower layer are exposed so as to keep the tool in a sharp state. The technical means of the patent is simple, convenient and practicable, and has a positive technical effect.

The invention discloses an ultralow-speed flow box device comprising a pulp inlet main pipe, a pulp distributing element, a flow box bottom plate, an upper lip plate, a lower lip plate and a rectifier roll. In the flowing direction of pulp, the interior bottom surface of the flow box bottom plate is inclined upwards to the lower lip plate and is in arc transition connection with the lower lip plate, and the rectifier roll is mounted in the arc transition position. Therefore, the height of the rectifier roll can be reduced, and the process requirement on submersion of the rectifier roll is met when the speed of a paper machine is very low and the liquid level above the lower lip plate in the flow box is lower. Through the adoption of the structure, the flow box can meet the requirement on ultralow-speed papermaking of the paper machine under an open condition, and is not needed to be equipped with a vacuum system and a control system so as to reduce equipment cost. The invention has the advantages that the technical measure is simple, convenient and feasible, and positive technical effects and popularization and application values are achieved.

The invention discloses a multifunctional sugarcane ploughing and sowing all-in-one machinecomprising a machine frame and a driving device; the whole machine structurally comprises a rotary blade shaft assembly, a furrow opener, a water and pesticide spraying device, a fertilizer applying assembly, a seed cutting and arranging assembly, a film spreading device, a soil covering device and a seat bracket in sequence from the first row to the eighth row along the running direction, wherein the film spreading device is attached on the middle lower part of the inner side of a soil dividing and guiding plate of the furrow opener; the water and pesticide spraying device, the fertilizer applying assembly and the seed cutting and arranging assembly are respectively arranged on a platform arranged above the furrow opener; and the soil covering device is attached on the middle upper part of the outer side of the soil dividing and guiding plate at both sides of the furrow opener. The technical problems including incomplete function, complex structure, high cost and poor landform adaptability existing in the traditional similar machine are solved by the technical improvement; the machine has the functions of rotary tilling, furrow opening, water and pesticide spraying, fertilizer applying, seed cutting, film spreading and soil covering, the structure is simplified, the manufacturing cost is reduced, and meanwhile, the production efficiency is increased.

The invention discloses a method and a system for expressing a knowledge graph and text information based on a reference sentence, and relates to the technical field of machine learning. The method comprises the following steps: modeling the knowledge graph to obtain an entity vector and a relation vector; obtaining deep semantic information related to the relationship and contained in the plain text, and performing knowledge modeling to obtain a textualized relationship vector; obtaining deep semantic information related to an entity and contained in the plain text, and performing knowledge modeling to obtain a textualized entity vector; and based on the entity vector, the relation vector, the textualization relation vector, the textualization entity vector and the word vector, constructing an optimization parameter, and realizing joint representation of the knowledge graph and the text information. According to the method, textual modeling is carried out on the entities in the knowledge graph by utilizing the reference sentences, and noise reduction is carried out on joint representation of the knowledge graph and the text information, so that the knowledge representation and deduction quality is improved.

The invention discloses a network searching method, a mobile terminal and a network searching device. The method comprises the following steps: obtaining the quality of an access signal; when the quality of the access signal is less than a first threshold value, searching for an accessible signal; when the quality of the access signal is less than a first threshold value, searching for an accessible signal; when the quality of the access signal is less than a first threshold value, searching for an accessible signal. When the searching times are larger than the searching threshold, the searching is stopped and the position change information is obtained; judging whether to continue searching for the accessible signal according to the bit change information. The invention avoids meaninglessnetwork searching of the mobile terminal when the position of the mobile terminal changes little and the mobile terminal is still in the weak or no signal area of the mobile network signal, solves the problem that the mobile terminal frequently searches the mobile network when the mobile network signal is weak or no signal, and leads to fast power consumption of the mobile terminal.

The invention discloses a compressor variable capacity regulated instant heat pump water heater, comprising a refrigerant circulating system, a water supply system and a control system, wherein the water supply system comprises two cold water pipes, a flow regulating valve, a water mixing valve, an auxiliary water storage tank, a hot water pump and a solenoid valve. One of the two cold water pipes is connected with an inlet water pipe of a condenser through an outlet of the flow regulating valve, is communicated with the auxiliary water storage tank by an outlet water pipe of the condenser and is connected with the water mixing valve by the auxiliary water storage tank; and the other one of the two cold water pipes is directly connected with the water mixing valve. The auxiliary water storage tank is also provided with an interface which is connected with the hot water pump, and the hot water pump is connected with an outlet pipeline of the flow regulating valve through the solenoid valve. The auxiliary water storage tank solves heating problems in a start-up procedure or a midway stop procedure in the prior art. The compressor variable capacity regulated instant heat pump water heater is high in energy efficiency ratio and good in energy saving effect, reduces the starting current through low-load start-up, and does not influence the use of other household appliances.

The invention discloses a method and a device for ageing wine by micro-aerobic synergism of electromagnetic field. The method comprises the following steps of: switching on a micro-aerobic control system, so that oxygen in an oxygen tank enters into a treatment chamber through an oxygen distributor, and a micro-aerobic condition is formed in the treatment chamber; switching on a high-voltage magnetic field conditioning system; setting a voltage and a field intensity between two polar plates through a voltage adjusting amplifier, and setting a frequency between the two polar plates through a frequency adjustor, so that a high-voltage electromagnet field environment is formed in the treatment chamber; after filling the wine in a wire temperature control system for cooling, injecting the wine into the treatment chamber to be treated, so as to obtain rapid aged wine. According to the invention, the quality of the aged wine prepared by using the method and the device is obviously improved; and the method and the device are simple and convenient to operate and short in treatment time, and the treated wine has no retro-gradation.

The invention discloses a household variable-capacitance stepless regulation instant heat-pump water heater which comprises a refrigerant circulating system, a water supply system, a control system and the like. The control system comprises a defrosting detection sensor, a water flow detection sensor, a water temperature sensor, a compressor variable-capacitance stepless regulation controller and the like, a digital scroll compressor and a fuzzy controller are used, and a balancing short pipe provided with a two-way electromagnetic valve is connected between a condenser and an evaporator, so that the compressor can be immediately started after stopping. The fuzzy controller is used for accurately controlling water temperature by combining compressor variable-capacitance stepless regulation and water flow regulation. The household variable-capacitance stepless regulation instant heat-pump water heater is high in energy efficiency ratio and fine in energy-saving effect, starting current is reduced by means of low-load starting, other household electric appliances cannot be affected in use, high-voltage alarm is avoided and normal operation of the water heater is ensured by combining variable-capacitance stepless regulation and water flow regulation, a water tank is omitted, space is saved, and the water heater is instant available so that a user does not need to wait for water using time.

The invention relates to a connecting technology for metals without solid solubility. The technology includes the steps that the first metal and the second metal to be connected are pretreated; powder of the second metal is pressed into a blank with the thickness of 2-5 mm; the first metal, the blank and the second metal are sequentially stacked; the first metal, the blank and the second metal which are sequentially stacked are fixed and pressed so that the first metal and the second metal can be tightly attached to the blank; and the first metal, the blank and the second metal which are fixed and pressed are subjected to annealing treatment, wherein the first metal is molybdenum or tungsten, the second metal is copper or silver, and the annealing temperature of the annealing treatment is 10-50 DEG C lower than the melting point of the second metal. According to the technical scheme, the technology is simple, and a uniform and continuous bonding interface and high bonding strength between the metals without solid solubility can be achieved.

The invention discloses a data desensitization method and device and a readable storage medium, and the method comprises the steps: marking sensitive data in a data file through a pre-trained marking model according to the obtained data file submitted by a user, so as to obtain a marking file; evaluating a desensitization algorithm matched with the file type of the annotation file by utilizing a preset evaluation rule; and completing desensitization of the annotation file according to a desensitization algorithm selected by the user from the evaluation result. According to the method, the desensitization algorithm matched with the file type of the annotation file is evaluated by utilizing the preset evaluation rule; according to the desensitization algorithm selected by the user from the evaluation result, desensitization of the annotation file is completed, so the corresponding desensitization algorithm can be determined through rule evaluation and user selection, and the method has wide applicability.

The invention discloses a medium-wave double-color infrared detector. The medium-wave double-color infrared detector comprises a substrate, a first PIN type structure and a second PIN type structure,wherein the first PIN type structure grows on the substrate, and the second PIN type structure and the first PIN type structure are arranged in a back-to-back stacking mode. According to the invention, the second PIN type structure and the first PIN type structure are stacked on the substrate in a back-to-back manner, thereby forming the double-color infrared detector, achieving the medium-wave double-color detection, and reducing the power consumption, size, weight and cost of a detector refrigerating machine.

The invention discloses an RRU and an on-line ACLR self-diagnosis method thereof. The method comprises the steps that a frequency spectrum in the sampling frequency coverage is generated through calculation by means of transmission data, acquired by a feedback channel in the sampling frequency coverage, of an RRU transmission port; a calibration file which is generated in advance and stores power compensation values of the feedback channel at different frequencies is read to conduct calibration compensation on power values of frequencies in the frequency spectrum obtained through calculation; and ACLRs of all carriers are calculated on the basis of the frequency spectrum obtained after calibration compensation. According to the on-line diagnosis scheme, the FFT calculation result is compensated through pre-stored feedback calibration data to obtain a more precise ACLR index, the diagnosis process does not need the help of external equipment, is not limited by time and place and is low in cost and convenient to operate, and therefore the problem that in the prior art, ACLR testing cannot be achieved in the on-line state of the RRU is solved.

The invention discloses a handheld flag and a manufacturing method of the handheld flag, belongs to the technical field of national flags, party flags, army flags, team flags and colored flags in the decorative art, and aims to overcome the defects that in the prior art, a flag has to depend on natural wind and is accompanied by a band. According to the method, the technical scheme of the method is represented through the form of the operating mode and the technological process, and the new technical effect is made to generate through a certain action. The handheld flag is characterized in that an air outlet (5) is formed in the side section, directly facing a flag surface (2), of a flag post (6); the air outlet (5) is communicated with a fan (17); a battery (13) supplies power to the fan (17); special music which adapts to the flag surface (2) is recorded on a music chip (8) of a loudspeaker (9) which is arranged on the flag post (6). According to the outstanding substantive characteristics and the remarkably advanced method of the handheld flag, the situation that the handheld flag does not depend on the natural wind and the band any longer is guaranteed, the handheld flag can flutter in the wind on owned music at any time and any place under the windless condition, and the handheld flag has the advantages of showing the value and effects of the flag.

The invention discloses a reading circuit and a reading device of an infrared detector. The infrared detector comprises multiple pixel columns, wherein each pixel column comprises multiple pixel unitsand corresponds to one column ADC (analog-digital converter); the reading circuit comprises multiple column driving circuits and parallel-serial conversion circuits; any one column driving circuit isarranged between one pixel column and the column ADC corresponding to the pixel column, and the column driving circuits are used for realizing input driving of pixel unit signals of the pixel columnsand driving the column ADCs; and the parallel-serial conversion circuits are arranged behind the multiple column ADCs and used for converting parallel output of the multiple column ADCs into serial output. A brand-new realization way is provided for minimization and intelligence of the infrared detector, and positive technical effects are obtained.

A method for coating an article, wherein a surface of the article is at least partially coated with a coating that has a multiplicity of layers, wherein at least one layer of the coating is made of a nickel phosphorus alloy and wherein a mass fraction of the phosphorus in the nickel phosphorus alloy is at least 8%.

The invention discloses a device for conducting electrical discharge machining on the outer surface with complex shape. The device comprises a machining power supply and a workpiece clamp used for clamping workpieces and further comprises an outer edge electrode, a feeding system, an annular magnetic pole group and a control system. The outer edge electrode is fixed on the periphery of the outer surface of a workpiece to be machined, and a certain gap is reserved between the inner wall of the outer edge electrode and the outer edge of the workpiece. A motor is arranged at one end of the feeding system, and a magnetic pole clamp capable of reciprocating linearly in the preset journey range under driving of the motor is arranged on the lateral wall of the feeding system. The annular magnetic pole group is fixedly arranged on the magnetic pole clamp and encloses the outer wall of the outer edge electrode with a certain gap reserved in between. The control system is connected with the motor and the machining power supply through a circuit, two electrodes of the machining power supply are connected with the workpiece and the outer edge electrode, and conductive magnetic powder is arranged between the outer edge electrode and the outer surface of the workpiece to be machined. The device can be used for conducting coarsening, modification, strengthening and the like on the outer surface with the complex shape, can also be used for coating the outer surface with the complex shape, and is high in efficiency and low in cost.

The invention discloses a nanoscale component laser sintering molding method and device. The nanoscale component laser sintering molding device comprises a mixed sample feeding system, an aerodynamic lens, a confocal laser group and a worktable; the mixed sample feeding system is provided with a buffer cavity. The nanoscale component laser sintering molding method comprises the steps of placing nanoparticle powder into a powder storage cavity, carrying the powder into a mixing cavity through air, adequately mixing the powder and another branch circuit of air, facilitating the obtained aerosol flow to enter the buffer cavity, further mixing the gas and nanoparticle powder, and lowering the pressure and flow rate to obtain a fluid with a Reynolds number of 200 to 700; facilitating the fluid to enter a cylindrical cavity in a laminar flow form, and spraying out the fluid in a single-particle flow form after the fluid passes through gathering holes in each lens and is focused; receiving the particles by a sintering substrate which is coated with vacuum grease on the worktable, and melting the particles by the confocal laser group; acquiring a two-dimensional pattern with nanoscale molding precision by virtue of the movement of the worktable in an X direction and a Y direction; gradually laminating the particles to obtain a component with the nanoscale molding precision by virtue of the movement of the worktable in a Z-axis direction.

The invention provides an electromagnetic instant heat drinking water machine which supplies required hot water for drinking instantly by utilizing electromagnetic induction. The drinking water machine comprises a shell, a bottle holder, a bucket and a heating body; the heating body comprises a high-frequency induction coil panel as well as an upper metal coil pipe and a lower metal coil pipe which are arranged at the upper side and the lower side of the coil panel, the metal panel is flat, the length of the short side of the section of the inner cavity of the metal panel is 3.0-4.0 mm, and the length of the long side of the section of the inner cavity of the metal panel is 15-30mm; the water feeding end of the lower metal coil pipe is connected with the bucket at the bottom of the bottleholder through a passage water pipe, the water discharging end of the lower metal coil pipe is connected with the water feeding end of the upper metal coil pipe, and the water discharging end of the upper metal coil pipe is connected with a water outlet arranged outside the shell through an electromagnetic valve; the surface of the shell is provided with an electrified switch of the heating body,and the electrified switch is connected with the electromagnetic valve. The drinking water machine provided by the invention has the advantages of rapid rise of temperature, reasonable structure, simple manufacture process and particularly high thermal efficiency, can obtain hot water according with the drinking requirement in short time, and is a novel drinking water machine which can be completely implemented and popularized and accord with the development tread of endowment protection and energy saving.

The invention relates to a new purpose of produced coke oven product gas in the iron works, especially the application of coke oven product gas in the preheating coke art. The application includes: communicating the coke oven chimney bottom and coke barn bottom by feeding pipe, installing induced draft fan on the feeding pipe, feeding the coke oven product gas in the coke oven chimney to coke barn by feeding pipe to preheat. The invention not only makes the coke oven product gas preheat the coke for increasing the heat energy utilization factor of the coke oven product gas, but also not raise the coke moisture so as to effectively reduce the cost.

The invention discloses a semiconductor laser packaging structure, which comprises a laser chip (1) and a cooler (2), and is characterized in that the laser chip (1) is packaged on the first outer surface of the cooler (2); and a phase-change material (6) is packaged in the cooler (2), and when the semiconductor laser is in an abnormal working state, the phase-change material (6) is used for cooling the temperature of the laser chip (1) to be lower than a preset safety temperature. According to the invention, the phase-change material is packaged in the cooler, and the latent heat of phase change of the phase-change material is utilized to absorb a large amount of heat generated when an additional system fails, thereby achieving the purpose of protecting the semiconductor laser chip.

The invention discloses an infrared plane reflection carbon fiber cable heating module and a manufacturing method thereof. The infrared plane reflection carbon fiber cable heating module comprises an infrared plane reflection layer, an infrared carbon fiber heating cable and an infrared plane emission layer. The infrared carbon fiber heating cable is located in a fixed groove between the infrared plane reflection layer and the infrared plane emission layer. In the invention, a carbon fiber heating cable is changed into surface shape heating from linear heating, the carbon fiber heating cable can maintain good infrared performance when being used in a concrete environment and electric-thermal radiation conversion efficiency of the carbon fiber heating cable in the concrete environment can reach more than 60%.

The invention relates to a zero band beam layer cutting device which comprises a stand, a driving mechanism and a cutter component, wherein the driving mechanism is arranged on the stand; the slide of the cutter component is controlled by the driving mechanism; the cutter component is provided with at least two disk hobs. The zero band beam layer cutting device has the beneficial effects that the at least two disk hobs are adopted for cutting at the same time, so that the working efficiency and the product quality are improved, and the device is simple to operate, small in occupied land and easy to maintain; a sliding block is driven to slide by a conveyor belt, so that the movement of the disk hobs can be realized; the zero band beam layer cutting device is easier to control and convenient to maintain.