35results about How to "High cost of improvement" patented technology

The invention provides a load reducing and efficiency improving method for a rod pumping well. The load reducing and efficiency improving method for the rod pumping well comprises the steps that multiple component elements influencing a polished rod load of the rod pumping well are analyzed, so that the degree of influence of the component elements on the polished rod load is determined; and the corresponding component elements are optimized according to the degree of influence of the component elements on the polished rod load, so that the polished rod load is reduced. By the adoption of the technical scheme, the multiple component elements influencing the polished rod load of the rod pumping well are analyzed to determine the degree of influence of the component elements on the polished rod load, and the corresponding component elements are optimized according to the degree of influence of the component elements on the polished rod load to reduce the polished rod load, so that the polished rod load is effectively reduced, and the problem that the cost is high when a low-permeability reservoir is exploited is solved easily.

A capacitance estimation method is applied to a three-phase converter. The three-phase converter comprises a three-phase converter and a processor. The processer is employed to execute the following steps of: (a) outputting non-fundamental signals to a three-phase converter to allow a bus voltage of the three-phase converter to generate non-fundamental fluctuation; (b) obtaining the bus voltage ofthe three-phase converter; (c) according to the bus voltage, a bus capacitance estimation value, an input power and an output power of the three-phase converter, obtaining a bus voltage estimation value; (d) allowing the bus voltage and the bus voltage estimation value to be subjected to a filtering link to output a first alternating current component and a second alternating current component corresponding to the non-fundamental fluctuation; and (e) according to the first alternating current component, the second alternating current component and a bus capacitance initial value, estimating abus capacitance value.

A compound veterinary medicine in the form of powder for replenishing qi, consolidating superficies, expelling wind and relieving stuffy nose is prepared from 10 Chinese-medicinal materials including asarum herb, scutellaria root, astragalus root, cinnamon twig, etc. Its preparing process is also disclosed.

The invention relates to a tree-shaped rubrene crystal thin film preparation method adopting a high boiling point solvent to carry out regulation and control. Namely, growth of rubrene tree-shaped crystals is regulated and controlled by a DMF (Dimethyl Formamide) solvent, the DMF solvent with a volume ratio of 30 percent to 50 percent is added on the basis of an original chloroform solvent, a volatile speed is retarded by utilizing a solution dispensing method, the DMF solvent has a high boiling point, and the characteristic of further retarding the volatile speed enables rubrene molecules to have a sufficient driving force to sequentially complete the crystal growth process from a granular shape to a ribbon shape to a tree shape, thereby fulfilling the aim of regulating and controlling preparation of the tree-shaped rubrene crystals by the high boiling point solvent.

The invention provides a printing method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of printing. The method comprises the steps of obtaining to-be-printed data, and converting the to-be-printed data into a universal printing file; converting the general printing file into a picture file to be stored in a storage module; and searchingthe target picture file from the storage module and printing the target picture file. In the implementation process, the universal printing file has universality, so that the applicability of the printing method can be improved by converting the to-be-printed data into the universal printing file after the to-be-printed data is obtained, then the universal printing file is converted into the picture file capable of containing different data contents to be stored, and the integrity of the to-be-printed data is guaranteed; and finally, the target picture file needing to be printed by the user can be searched from the storage module for printing.

The invention provides a fire extinguishing device and a power supply device and relates to the technical field of automatic fire extinguishing. The fire extinguishing device comprises a shell structure, a fire extinguishing assembly, a closed structure and a triggering assembly. The shell structure is provided with a containing space and an opening communicating with the containing space. The fire extinguishing assembly is arranged in the containing space. The closed structure is matched with the opening to be arranged, and used for obstructing that the fire extinguishing assembly moves to the external space of the shell structure through the opening. The triggering assembly is connected with the closed structure, and used for being fused under an environment temperature larger than a preset value, so that the closed structure is driven to move relative to the opening, and at least part of the structure of the fire extinguishing assembly moves to the external space through the opening, and therefore combustion of the external space is obstructed. Due to the above arrangement, the problem that an existing fire extinguishing device is high in cost can be solved.

The invention relates to the related technical field of environmental protection. The invention discloses a rotary expressway advertising board utilizing wind energy based on chute movement. The advertising board comprises a wind wheel; one end of the wind wheel is movably connected with a fixed frame; a rotating disc is movably connected to the outer side of the first rotating shaft, a first sliding groove is formed in the front surface of the rotating disc, a rotating sliding column is movably connected to the bottom of the rotating disc, a moving strip is movably connected to the bottom ofthe rotating disc, a sliding block is movably connected into the first sliding groove, and a display board is movably connected to the top end of the output shaft. According to the invention, the windwheel is connected with the stop block; the problem of high energy consumption is solved, the problem of high cost of a power supply system is improved, energy consumption is reduced, resources are saved, the cost is saved through connection of the first rotating shaft and the display board, the problem that the advertising board is not easy to turn over through power supply is solved, the defects of high power consumption, high use cost and the like are greatly overcome, and the cost and the resources are saved.

The invention discloses an image recognition method. The image recognition method comprises the following step that multiple images are acquired; all the images are analyzed, so that a target object is obtained; the target object is analyzed, so that color information and characteristic information are obtained; statistics is conducted on the current image according to the color information and the characteristic information, so that a probability distribution diagram is obtained; the difference between the current image and the prior image is obtained by comparing the current image with the prior image, so that dynamic information is obtained; intersection is conducted between the probability distribution diagram and the dynamic information, so that the target object is recognized. In addition, the invention discloses an image recognition system.

The invention relates to a construction composite wall building block which comprises a composite layer and a core layer arranged in the composite layer, wherein a protective layer and a solar slab are orderly arranged on outer side of the composite layer, a cellular hollow cavity is arranged in the core layer, the left side end surface and the upper side end surface of the wall building block are provided with building block bulges, and the right side end surface and the lower side end surface are provided with building block grooves matched with the building block bulges; the construction composite wall building block has the advantages of being light in weight, high in utilization rate, good in sound insulation, water resistance and thermal insulation and heat preservation performances, high in construction efficiency, good in decorative finishing performance, low in cost, good in environment protection performance and energy conservation, good in fire resistance and good in bearing capacity, and capable of satisfying the demands of actual construction technology efficiency and high comprehensive performance of building.

The invention discloses a filter containing a filling medium. According to a technical scheme of the invention, the filter containing the filling medium comprises a cavity and a cover plate, wherein an input joint and an output joint are arranged outside the cavity; an input copper sheet and an output copper sheet are arranged in the cavity, a tuning screw is further arranged in the cavity, a filling medium is further arranged in the cavity, the filling medium is an insulator with the dielectric constant larger than that of air, the space between the cavity and the cover plate is filled with the filling medium, and the filling medium is plastic or ceramic or glass. According to the filter disclosed in the scheme provided by the invention, the problem that the frequency reaches the requiredfrequency band range under the conditions of small boundary dimension and height in the design of a filter, a duplexer and a combiner is solved. The problems that the insertion loss index does not meet the requirements and the cost of the flange plate type resonance column is relatively high due to the use of the flange plate type resonance column are prevented.

The invention provides a pollution detection method and system, and relates to the technical field of pollution detection. According to the method, multiple frames of pollution detection images obtained by carrying out image acquisition on a target monitoring area by pollution detection equipment are obtained, and the pollution detection equipment is arranged in the target monitoring area; the multiple frames of pollution detection images are screened based on a preset image screening rule to obtain at least one frame of target pollution detection image corresponding to the multiple frames of pollution detection images; the at least one frame of target pollution detection image is recognized based on a pollution detection model obtained through pre-training, a pollution detection result that whether air pollution exists in the target monitoring area or not is obtained, and the pollution detection model is a neural network model. Based on the method, the problem of high cost of pollution detection in the prior art can be improved.

The invention relates to a map data updating method, device and system based on mass production vehicles. The map data updating method comprises the following steps of: acquiring collected data of a mass production vehicle; identifying a to-be-updated object based on the collected data; supplementing and correcting a driving track of the mass production vehicle based on the collected data, and determining the geographic position of the to-be-updated object; and updating a map database based on the to-be-updated object, a geographic position of the to-be-updated object and a corresponding object in the map database. According to the map data updating method, the device and the system, the mass production vehicle is used for collecting data instead of a professional collecting vehicle, and the problem that in the prior art, the map database updating cost is high can be solved; meanwhile, manual participation is not needed in the updating operation process, and the problems that in the prior art, map database updating is low in automation degree and poor in accuracy can be solved.

Embodiments of the invention provide a thermal management system and an electric hydraulic excavator, belonging to the field of thermal management systems. The invention aims to solve the problem thatcost is high in the prior art since an existing power battery is heated by an electric heater. The thermal management system comprises: a hydraulic cylinder heat dissipation system, which comprises afirst loop and a hydraulic cylinder arranged on the first loop; a battery heating system, which comprises a second loop and a battery pack arranged on the second loop; and a first heat exchanger, which is arranged on the first loop and the second loop at the same time. Through the first heat exchanger, working heat of hydraulic oil is used for heating the battery pack, and heat energy generated by a hydraulic system in the working process is fully utilized.

The invention provides an electronic device. The electronic device comprises a shell body and a fan unit assembly. The shell is provided with a front panel and a base plate, wherein the front panel and the base plate are perpendicular to each other. The fan unit assembly comprises a plurality of fan units and a plate body. Each fan unit is provided with a first end face. The first end face of each fan unit is fixed on the plate body through a fastener. The plate body is arranged at the inner side of the front panel in parallel, wherein the plate body is arranged between the fan units and the front panel and gaps exist between the bottom surfaces of the fan units and the base plate. The electronic device can solve the problems that space arrangement of a system is hard due to a complex structure of two metal plate walls, disassembly and assembly are different because of complicated structures of the two metal plate walls, and cost is high caused by assembly of the two metal plates and more buckle rings.

The invention provides an electronic device. The electronic device comprises a shell body and a fan unit assembly. The shell is provided with a front panel and a base plate, wherein the front panel and the base plate are perpendicular to each other. The fan unit assembly comprises a plurality of fan units and a plate body. Each fan unit is provided with a first end face. The first end face of each fan unit is fixed on the plate body through a fastener. The plate body is arranged at the inner side of the front panel in parallel, wherein the plate body is arranged between the fan units and the front panel and gaps exist between the bottom surfaces of the fan units and the base plate. The electronic device can solve the problems that space arrangement of a system is hard due to a complex structure of two metal plate walls, disassembly and assembly are different because of complicated structures of the two metal plate walls, and cost is high caused by assembly of the two metal plates and more buckle rings.

The invention provides a bottom-up clock synchronization device and system, and relates to the technical field of communication. The bottom-to-top clock synchronization device includes a baseband processing circuit, a clock circuit, a logic circuit, and a processing circuit. The baseband processing circuit can receive an air interface synchronization signal sent by a base station and can process the air interface synchronization signal to obtain a middle period pulse and a starting point of a wireless frame period. The clock circuit carries out closed-loop negative feedback control processing on the processed signal of the middle-period pulse to obtain a short-period pulse. The logic circuit performs timing output according to the end periodic pulse, and meanwhile, the processing circuit sends a time information request to a server according to a starting point of a wireless frame period obtained by processing of the baseband processing circuit, and then calculates the time from the next pulse per second to a rising edge after a result returned by the server is obtained; and therefore, the logic circuit can finally determine accurate clock information.

The invention relates to a multi-wave hydraulic automatic molding method for a metal corrugated pipe with diameter smaller than or equal to 10 mm. The multi-wave hydraulic automatic molding method includes the following steps that (1) the mold cavity gap is determined to be 0.2 mm to 0.25 mm; (2) the drift diameter of a hydraulic inlet clamp is determined to be 3 mm to 4 mm; (3) bench worker assembling is carried out to enable mold plates of molds to be in the horizontal state; (4) No.68 wear-resistant hydraulic oil is selected and matched; and (5) a tube blank is inserted into the inlet clamp to enable the mold to achieve mold assembly, the tube blank is inflated with pressure, the bottom of the tube blank is pushed to move to the inlet clamp, the mold plates between the molds are in contact, then pressure releasing is carried out, the molds are pulled to be open, and the molded corrugated pipe is taken out. According to the multi-wave hydraulic automatic molding method, the problem that multi-wave hydraulic automatic molding of the metal corrugated pipe with diameter smaller than or equal to 10 mm cannot be achieved through the existing method is solved, and the problems in production and manufacturing are solved.

The invention discloses a base plate processing method. The base plate processing method comprises the following steps of: (1) punching to form a substrate; (2) punching the substrate to form a structural hole; (3) manufacturing a screen printing halftone according to a to-be-blanked position of the substrate; (4) performing screen printing on the substrate in which the structural hole is formed in a punching manner by using paint; and (5) bending the screen-printed substrate to form a connecting structure so as to form the base plate. The base plate processing method disclosed by the invention has the advantages of improving the work efficiency, lowering the cost and preventing dust particles from polluting functional elements.

The invention discloses a two-way transmission device. The bidirectional transmission device includes a first computing unit and a second computing unit. The first arithmetic unit has a first input terminal and a first output terminal. The second arithmetic unit has a third input terminal, a fourth input terminal and a second output terminal. The third input terminal of the second computing unit is coupled to the first input terminal of the first computing unit. The fourth input terminal of the second computing unit is coupled to the first output terminal of the first computing unit. The fourth input terminal of the second arithmetic unit receives the first input signal, and outputs the first output signal through its second output terminal.

The invention relates to a building material railway transportation device adaptive to a rock heap side slope and a use method. The building material railway transportation device consists of three parts, i.e., a winch operation device, a feeding rail device and a feeding trolley; a controller in the winch operation device enables a motor and a gearbox to drive a winch roller to rotate at a certain speed, a traction rope is driven to move, and the traction rope drives the feeding trolley to move on the feeding rail device; the feeding rail device mainly comprises five parts, i.e., a rail, a sleeper, a sleeve, a supporting rod piece and a fixed pulley; hydraulic type telescopic legs are adopted as legs of the feeding trolley, and a reverse-preventing straight-moving wheel is adopted for each front leg. The building material railway transportation device can be used to overcome the defects of an existing rail device that the construction cost is high, the flatness requirement is high, building materials in a transporting trolley easily spill out, a traction rope is suddenly broken to make the trolley slip downwards, and the like, has the characteristics that detachment and operation are convenient, the construction cost is low, the practicability is high, the traction rope is prevented from being suddenly broken to make the trolley slip downwards, and the like, and is applicable to building material railway transportation on the rock heap side slope.

A dynamic data mining method and system based on risk control technology provided by the present invention involves the field of data mining technology.In the present invention, the collection of risk control data sets are collected, and the risk control data set includes multiple risk control sample data.According to the risk control sample data included in each risk control sample data, multiple risk control sample data included in the risk control data sets included to form a multi -risk control data set of risk control data sets.Risk control data sets include multiple risk control sample data.For each risk control data set in multiple risk control data sets, according to the risk control label information corresponding to each risk control sample data included in the collection data of the risk control data,Determine the processing to output the risk coefficient of the setting of the risk control data.Based on the above methods, the problem of higher cost management in existing technology can be improved.

The invention relates to an all-dielectric metasurface integrated Raman spectrum detection system. The system includes a laser, an optical fiber, a waveguide, a nanostructure array, a filter and a metasurface spectrometer. The waveguide excites and transmits Raman signals. The nanostructure array is set on the upper surface of the waveguide. The nanostructure array provides a strong electromagnetic field to suspend the probe molecules. Around the nanostructure array, the probe molecules emit Raman signals under the action of a strong electromagnetic field. The filter is plated at the output end of the waveguide, and the filter filters out the pump light output by the waveguide. The metasurface chip spectrometer is set on the surface of the filter. The metasurface chip spectrometer analyzes the Raman signal after the filter filters out the incident light band, and obtains various spectral information of the detected molecule. The invention can realize the excitation, enhancement and acquisition of Raman signals synchronously on the same structure, and complete the goal of a highly integrated chip-based Raman sensing system.

The invention provides a visual interactive interface control method, system and device and a storage medium, and particularly relates to the field of interactive control. A control method of a visual interactive interface comprises the following steps: training a neural network according to hand information and a user sample image marked by a gesture type to obtain a gesture recognition model; acquiring a user image; inputting the user image into a gesture recognition model to recognize whether the user image comprises hand information; if yes, recognizing a gesture type according to the hand information, and generating a control instruction according to the gesture type; and controlling the interactive interface according to the control instruction. The problem that in the prior art, the use cost of control action recognition is high is solved.

The invention relates to a method for measuring and calculating the influence of angle change of a variable stator blade of a gas compressor on the flow. The method comprises the step A: measuring andcalculating the change of the air flow in the gas compressor according to the change of the projected area on the cross section of the gas compressor before and after the adjustment angle change of asingle-stage variable stator blade. The problems of high cost, long cycle, high risk, and limited test data that exist in the related technology by testing the flow of the gas compressor under different stator vane angles are improved.

A compound veterinary medicine in the form of powder for treating cold, clearing heat and removing toxin is prepared from isatis leaf, isatis root, forsythia fruit and bistort rhizome. Its preparing process is also disclosed.

The invention provides a chassis and an AGV trolley, and relates to the field of mobile machinery. The chassis comprises a chassis body, a first supporting leg and a first driving mechanism. The first supporting leg comprises a front arm and a rear arm, the front arm is connected to the chassis body, and the rear arm is connected to the front arm. The first driving mechanism is used for driving the first supporting leg to be unfolded or folded. The first driving mechanism can drive the rear arm to move relative to the front arm while driving the front arm to move relative to the chassis body. The AGV trolley comprises the chassis. The chassis comprises the first supporting leg, the first driving mechanism acts to achieve unfolding or folding of the front arm and the rear arm, the first supporting leg is only controlled by the first driving mechanism, and cost is low. According to the AGV trolley, the chassis is adopted, the supporting legs are convenient to unfold and fold, and the cost is low.

The invention discloses a multifunctional surface treatment pool and a blackening liquid used in the multifunctional surface treatment pool. The multifunctional surface treatment pool comprises a treatment tank, a four-way valve and a controller. A first end opening of the four-way valve is connected to a first check valve by a pipe. The first check valve is connected respectively to a first high-pressure water pump, a water storage tank, a mixing tank and a sedimentation tank by pipes. A second end opening of the four-way valve is connected to a vacuum-pressure pump by a pipe. A third end opening of the four-way valve is orderly connected to a second check valve, a second high-pressure water pump and a mixed liquid storage tank by pipes. A forth end opening of the four-way valve is connected to a water inlet pipe. The water inlet pipe is connected to a water distribution pipe. The multifunctional surface treatment pool has the characteristics of simple processes, reasonable design, low cost and small land occupation area. Through reasonable opening and closing of the four-way valve, the different material tanks and treatment tanks are communicated so that switching is very convenient. The multifunctional surface treatment pool realizes combination of functions of the mixing tank, a water washing tank and an air drying chamber and has multiple purposes and high production efficiency. The multifunctional surface treatment pool greatly reduces blackening liquid spraying treatment time to 3-5min so that the blackening liquid spraying treatment time is greatly shorter than the existing blackening liquid spraying treatment time of 40-80min.

The invention relates to the field of hard coatings, and particularly discloses a methanol decomposition heating catalyst and a preparation method thereof. The methanol decomposition heating catalystcomprises a support carrier and an outer coating, the support carrier is a cordierite honeycomb ceramic carrier, and noble metal particles are uniformly dispersed on the outer coating. Cordierite honeycomb ceramic is selected as a basic supporting carrier, the adsorption performance of a cordierite ceramic material is remarkably improved, then the surface of the carrier is coated with an outer coating, the structural strength of the material is improved, finally, methanol can be effectively catalyzed and decomposed into carbon dioxide and water through the loaded noble metal particles. Throughthe porous structure, decomposed carbon dioxide and water can be effectively desorbed, the service life of the noble metal catalyst for methanol decomposition is prolonged, and the durability of thecatalyst material is improved.