30results about How to "Health impact" patented technology

The invention discloses a distributed monitoring system based on a Hadoop cluster and a distributed monitoring method thereof. The system comprises a client, a master computer and a slave computer. The system is characterized in that: the master computer and the slave computer in the system are constructed based on a MapReduce framework of the Hadoop cluster; the client is used for submitting a monitoring work request to the master computer; after responding to the monitoring work request, the master computer divides monitoring work and distributes the divided monitoring work to the salve computer for independent completion; and the slave computer is used for completing an independent monitoring work task, integrating a result through the master computer and returning data to the client. By the invention, data such as the task schedule and the like of a distributed computing network MapReduce can be effectively monitored, the monitoring result can be precisely obtained in real time, and independent dynamic switching is realized under the condition of not influencing work execution.

The invention discloses an oral hygiene cleanser which comprises a sealed liquid storage container, a liquid extraction mechanism and an oral cleaning mechanism, wherein the liquid extraction mechanism comprises a liquid communicating pipe; the liquid communicating pipe is matched with a pressure device; the oral cleaning mechanism comprises a cylindrical handle which is hollow inside; one end of the handle is connected with an oral cleaning piece communicated with the interior of the handle; the other end of the handle is communicated with the liquid communicating pipe via a soft guide tube; the oral hygiene cleanser further comprises an oral cleaning piece protection barrel; the upper end of the oral cleaning piece protection barrel is sealed, and the lower end of the oral cleaning piece protection barrel is opened; a fixture is hinged at the lower end of the oral cleaning piece protection barrel and positioned in the oral cleaning piece protection barrel. Compared with the prior art, the oral hygiene cleanser disclosed by the invention has the advantages that the oral interior cleaning intensity can be enhanced by virtue of a cleaning solution with a certain pressure, the oral interior is completely cleaned, and hygiene inside the oral cavity is ensured. Moreover, the oral interior can be cleaned by pumping the cleaning solution in the liquid storage container by the pressure device only, the oral hygiene cleanser is convenient to use, and bacteria can be prevented from breeding.

The invention relates to an individualised cake customizing device. The individualised cake customizing device comprises a working machine frame, wherein a semi-finished cake storing base is arrangedon the working machine frame; a processing region is arranged on the working machine frame; a robot system is arranged on the working machine frame, and is used for moving a semi-finished cake on thesemi-finished cake storing base to the processing region, performing decorative pattern making on the surface of the semi-finished cake by processing tools, and transporting the made cake to a material taking platform; a processing tool frame is arranged on the working machine frame, and is used for allowing the processing tools to be stored; the material taking platform is arranged on the periphery of the working machine frame; and the robot system is in network connection with a control integrated machine. Through the adoption of the individualised cake customizing device disclosed by the invention, individualised customizing of a cake can be realized, a guest can select a preferred cake surface pattern or DIY design an own required cake surface pattern on the control integrated machineaccording to own requirement, the individualised customizing of the cake is realized according to the selection or the design of the customer, and the interaction of cake making and the guest is improved.

The invention discloses a dual power source battery auxiliary system for an electric vehicle. The dual power source battery auxiliary system comprises an electric drive unit for driving rotation of vehicle wheels, the electric drive unit includes two mutually independent power battery power supply circuits, and power batteries and super capacitor groups are disposed in parallel in the power battery power supply circuits; the dual power source battery auxiliary system further includes a vehicle controller, and the vehicle controller is separately electrically connected with the two power battery power supply circuits; and when one of the power battery power supply circuits fails, the power batteries and the super capacitor groups of the other one of the power battery power supply circuits is controlled by the vehicle controller to increase power output to maintain a current running state of the vehicle.

The invention belongs to the technical field of micro-nano patching, and provides an automatic hydrogel slide feeding and patching device. The automatic hydrogel slide feeding and patching device comprises a machine frame, wherein a slide placing frame driven by an electric cylinder is arranged on a workbench of the machine frame, a slide positioning mechanism is arranged on the slide placing frame, and a slide bin and a film tearing mechanism are sequentially arranged on a workbench in the sliding direction of the slide placing frame; a slide feeding mechanism is correspondingly arranged below the slide bin; and a patching mechanical arm and a material sheet placing table are further arranged on the workbench, the material sheet placing table is located on one side of the patching end ofthe electric cylinder, the patching mechanical arm is located between the electric cylinder and the material sheet placing table, and a material taking and placing mechanism used for taking and placing material sheets is arranged at the end of a working shaft of the patching mechanical arm. According to the invention, automatic processing of hydrogel slide feeding, release film tearing and lamination of the material sheets on the hydrogel slide can be realized, so that the patching efficiency and the patching quality are greatly improved, the sanitation of the material sheets is not influencedin the processing course, and the produced patching product is ensured to meet the production requirement of sanitation standard.

The invention discloses a magnetic field control system for an AC synchronous motor and a control method thereof, relates to the technical field of motor magnetic field control, solves the technical problem that motor parameters cannot be accurately analyzed before the motor magnetic field is controlled in the prior art, analyzes the magnetic field of the surrounding environment of the motor, improves the accuracy of magnetic field detection in the motor, and improves the reliability of the motor. Meanwhile, the running state of the motor can be accurately analyzed, the situation that the control of the motor is reduced due to the fact that the peripheral magnetic field influences the magnetic field of the motor is prevented, the running cost of the motor is indirectly improved, and the running efficiency of the motor is reduced; by analyzing the state of the magnet in the motor, whether the magnetism of the magnet is saturated is judged, whether the specification of the motor is suitable for the current scene is detected, the working efficiency of the motor is improved, and the problems that the service life of the motor is shortened and the working efficiency of the motor is reduced due to unreasonable matching of the motor are prevented; the magnetic field is controlled according to the operation requirement of the motor, and the high efficiency of motor operation is improved.

The invention relates to a combined electric appliance partial discharge vibration detection method. The technical characteristic is that the method comprises: selecting detection positions on a tested pipe section and a reference pipe section; detecting a vibration signal by using an acceleration sensor; performing fast Fourier transform on the detected vibration signal and calculating the maximum amplitude of the frequency spectrum of the vibration signal; and comparing the maximum amplitude of the frequency spectrum of the vibration signal of the tested pipe section with the maximum amplitude of the frequency spectrum of the vibration signal of the reference pipe section, and judging whether the tested pipe section has a partial discharge fault or not, so that the effect of accurately detecting the partial discharge fault of the gas insulated switchgear is achieved. Equipment used in the method is small, use and moving are convenient, and accuracy is. The equipment is free of electrical connection with a tested pipe section and free of any influence on the running state of equipment, and by adding the vibration test technology into the electrical equipment fault diagnosis method, fault hidden dangers can be found earlier compared with an electrical detection electrical equipment fault diagnosis method.

The invention discloses a diseased livestock observation system used by an animal husbandry and veterinary surgeon. The diseased livestock observation system comprises an observation box body, an excrement cleaning device, a feeding trough and a control mechanism, the observation box body comprises a shell, an opening is formed in the upper end of the shell, a vertical partition plate is arrangedin the shell, so that the shell is divided into a first cavity and a second cavity, a first door is arranged on the partition plate, the excrement cleaning device comprises a collection tank, a firstpushing plate and a cleaning brush, the feeding trough comprises a pushing device, a supporting plate, a drinking trough, a feed trough, a water storage cavity and a material storage cavity, the control mechanism comprises a driving device power system and a controller, the driving device power system drives a first driving device, a second driving device and the pushing device to run, and the controller controls the first door, a second door, a first solenoid valve, a second solenoid valve and a third solenoid valve to be turned on and turned off. According to the diseased livestock observation system used by the animal husbandry and veterinary surgeon, excrement of a diseased livestock can be automatically cleaned and disinfected, and the diseased livestock is automatically fed.

The invention provides a control method of a multi-terminal offshore wind power flexible direct current sending-out system. The power exchange on the connecting lines among the multi-terminal systems can be effectively controlled through a control mode of superposing the compensation amount of the active power on the direct current voltage loop through a shore station control strategy, meanwhile, the two point-to-point systems can adopt the same control strategy, selection and switching between the control strategies are not needed, and smooth transition of the systems under various working conditions is guaranteed. The power flow among the multi-end systems is better controlled on the premise of solving the coordination control problem of the multi-end systems. Through an energy consumption device DBS control strategy, the energy consumption device can play a better role in the fault period, the system is helped to smoothly pass through the fault, when an alternating current system of a shore station at one end of the multi-end offshore wind power direct current sending-out system has a low-voltage fault, the DBS system needs to be used for absorbing surplus energy according to the fault condition, and meanwhile, the influence on other double-end systems can be ensured to be as small as possible.

The invention belongs to the technical field of micro-nano chip mounting, and provides a micro-nano automatic chip mounter. The micro-nano automatic chip mounter comprises a rack, wherein a raw chip feeding mechanism, a raw chip taking mechanism, a raw chip cutting mechanism, a material chip taking and torque converting mechanism and a material chip torque converting placement table are arranged on a workbench of the rack; a chip carrying placement rack driven by an electric cylinder is further arranged on the workbench; a chip carrying positioning mechanism is arranged on the chip carrying placement rack; a chip carrying bin and a film tearing mechanism are sequentially arranged on the workbench in the sliding direction of the chip carrying placement rack; the chip carrying feeding mechanism is correspondingly arranged below the chip carrying bin; a chip mounting mechanical arm and a conveying belt are arranged between the material chip torque converting placement table and the electric cylinder; and a material chip taking and placing mechanism is arranged at the end part of a working shaft of the chip mounting mechanical arm. According to the micro-nano automatic chip mounter, integrated automatic processing of soluble microneedle raw chip cutting, material chip torque converting feeding, hydrogel chip carrying feeding, release film tearing and material chip mounting can be realized, the processing efficiency and the chip mounting quality are greatly improved, and the produced chip mounting product is ensured to meet the production requirement of sanitation standard.

The invention relates to a basin-type insulator loosening vibration detection method for a combined electric appliance. The method is technically characterized by comprising the steps of calculating the vibration signal frequency spectrum of an acceleration vibration sensor and the vibration signal frequency spectrum of a force hammer; dividing the vibration signal frequency spectrum of the acceleration vibration sensor by the vibration signal frequency spectrum of the force hammer to obtain a frequency response curve of the basin-type insulator; and comparing the frequency response curve of the tested basin-type insulator with the frequency response curve of a reference basin-type insulator to accurately judge whether the tested basin-type insulator has a loosening fault or not. The equipment used in the invention is small, is convenient to carry and detect, is not electrically connected with the tested equipment, and has no influence on the running state of the equipment. According to the method, the vibration test technology is added into the electrical equipment fault diagnosis method, and compared with an electrical detection electrical equipment fault diagnosis method, faulthidden dangers can be found earlier.

The invention provides an air conditioner self-cleaning method and device, electronic equipment and a readable storage medium. The air conditioner self-cleaning method comprises the steps that an evaporator is sterilized through a photocatalyst; and after sterilization is completed, the sterilized evaporator is cleaned. Therefore, according to the air conditioner self-cleaning method, the evaporator is sterilized through the photocatalyst, compared with a traditional sterilization method, the heat-resistant bacteria are well killed, the sterilization effect is better, the photocatalyst sterilization mode mainly depends on the reaction between the photocatalyst and the bacteria, the operation state of the air conditioner cannot be affected, and the service life of the air conditioner is prolonged. Therefore, compared with a traditional sterilization method, the air conditioner self-cleaning method provided by the invention has the advantages that the room temperature does not fluctuate greatly during sterilization, and the comfort of a user can be improved.

The invention discloses an image processing method in a fish detection visual system, and the method comprises the steps: shooting an image of fish entering a detection region through a camera, and processing the image through an image processor; establishing a background estimation data set by shooting an image of the detection area when the fish does not enter the detection area, and determining a background; after the fish enters, background estimation and foreground acquisition are performed on the image with the fish, miscellaneous points are filtered out, the fish is screened out, and then the moving target fish is tracked; the invention also discloses a fish detection vision system. By means of the technical scheme, the number and quality of the marine fishes captured in the farm can be detected in real time, detection data are displayed on the system display interface, and a user can track and inquire the number and quality of the marine fishes.

The invention discloses a flexible DC current control method and device which is applicable to a flexible DC power transmission system. The method comprises the steps of acquiring a DC current of theflexible DC power transmission system when a DC grounding fault occurs in an overhead line in the flexible DC power transmission system; inputting the DC current and a preset target value to a PI controller, and generating a target voltage; adding the target voltage to a bridge arm modulation wave reference voltage of the modular multilevel converter; and generating a trigger signal of each powermodule in the modular multilevel converter according to the bridge arm modulation wave reference voltage so as to control a DC voltage output of the modular multilevel converter. The invention also discloses a flexible DC current control device. With the adoption of the method disclosed by the embodiment of the invention, the DC system can be effectively prevented from shunting and stopping afterthe DC fault occurs in the overhead line in the flexible DC power transmission system, and the power sending capability can be rapidly recovered.

The invention discloses an ultra-precise static-pressure main shaft dynamic characteristic online testing method capable of eliminating a measuring basis installation error and relates to the field of static-pressure main shaft dynamic characteristic testing. The method solves the problems that an existing method cannot achieve ultra-precise static-pressure main shaft dynamic characteristic online testing or a measurement result can be seriously influenced by the installation precision of a measuring reference plane according to the existing method. According to the ultra-precise static-pressure main shaft dynamic characteristic online testing method capable of eliminating the measuring basis installation error, a cone-shaped installation reference plane is machined at the rear end of a direct-driven ultra-precise static-pressure main shaft rotator, a standard ball is directly installed on the cone-shaped reference plane to serve as a measuring basis, two high-precision displacement sensors are adopted to measure the displacement change between the standard ball and the two high-precision displacement sensors when the main shaft rotates, the measured displacement change values are converted into a digital signal through a sensor signal amplification and data collection system and the digital signal is sent to a computer for data analysis and data processing, and then the ultra-precise direct-driven static-pressure main shaft dynamic characteristic online testing is achieved. Due to the fact that two channels are adopted to carry out measurement at the same time, detection of the axial deviation of the main shaft and detection of the radial deflection of the main shaft are achieved at the same time.

The invention belongs to the technical field of sanitation, and particularly relates to a garbage can preventing being accidentally opened by a child. The garbage can comprises an accommodating barrel, a concentric-square-shaped groove and a barrel cover mechanism, wherein the concentric-square-shaped groove is formed in the upper end of the accommodating barrel along the periphery of a barrel opening; the barrel cover mechanism is installed at the upper end of the accommodating barrel, and the lower end of the barrel cover mechanism is embedded in the concentric-square-shaped groove; second swing cover plates in a first transmission mechanism and a second transmission mechanism of the garbage can realizes pre-compacting for garbage before the garbage falls into the garbage can; after thecompaction of the garbage in the garbage can finishes, first swing cover plate are continuously pressed, the second swing cover plate swings upwards around corresponding second pendulum shafts, and the garbage falls into the garbage can without hindrance; and when the garbage falls into the garbage can, the first swing cover plate and the second swing cover plate in the first transmission mechanism and the second transmission mechanism automatically swing back to the initial position, thus an inlet of the garbage can is automatically closed, the situation that the garbage cannot spill out to stain the child after the garbage can is knocked down by the child is prevented, and it is ensured that the health of the child and hygiene at home are not affected.

The application discloses a power supply device of a shared pole-tower communication base station, and relates to the technical field of the high-voltage power transmission line. The power supply device is invented for solving the problem of designing the power supply device under the conditions of not influencing the running of the power transmission line and no needing for independently arranging the power supply. The device mainly is as follows: a first DC series line is connected with a lightning conductor of a first electric pole and tower; a second DC series line is connected with the lightning conductor of the second electric pole and tower; a third DC series line and a fourth DC series line are connected with the lighting conductor of a third power pole and tower; the first rectifier module is connected with the third DC series line in parallel; a current integration module is connected with the output end of the first rectifier module; the second rectifier module end is connected with the fourth DC series line in parallel; the input end of the current integration module is respectively connected with the output end of the first rectifier module and the output end of the second rectifier module; a charging end of an accumulator is connected with the output end of the current integration module; and an inverter is connected with a discharging end of the accumulator. Thepower supply device disclosed by the invention is mainly applied to the installation process of the shared pole and tower communication base station.

The invention provides a biomass fertilizer for mee tea planting and relates to the technical field of tea planting. The biomass fertilizer for mee tea planting is prepared by the raw materials of 60-80 parts of plant ash, 30-40 parts of saw dust, 10-20 parts of tea leaf residue, 10-20 parts of vinasse, 5-7 parts of a medical stone powder, 8-10 parts of sodium alginate, 6-8 parts of natural mineral powder and 15-25 parts of a soybean liquid fertilizer. The biomass fertilizer for mee tea planting, provided by the invention, has the advantages that the need of trace elements beneficial for mee tea growth is determined; by using pure natural raw materials to prepare the fertilizer, the fertilizer need can be provided for the mee tea growth and the fertilizer is nonhazardous, contains no chemical substance, is clean and healthy and cannot have an influence on the hygiene of the mee tea; the biomass fertilizer for mee tea planting is convenient for promotion and application.

Provided is a washing cup for travelling. The washing cup for travelling comprises a cup body and a cup cover, wherein the cup body is provided with a toothbrush groove in an integrated mode, and the toothbrush groove is communicated with the outer part of the cup body; the cup cover is composed of an annular cover body and an air tube, the inner ring of the annular cover body and the tube wall of the air tube are connected into a whole, and tube air holes are distributed in the air tube; the cover body is provided with a toothpaste groove and a groove cover, and cover air holes are distributed in the cover body. According to the washing cup for travelling, integrated carrying of various kinds of travel accessories of a towel, a tooth cup, the toothbrush, the toothpaste, a comb and the like can be achieved; meanwhile, through a scientific design, various kinds of space of the tooth cup is reasonably utilized so that the towel can be stored in the tooth cup more easily, the ventilating environment of the inner part of the tooth cup is guaranteed, and the situation that the rapid generation of anaerobic bacteria affects the sanitation of a utensil is avoided.

The invention provides a bearing pedestal transformation structure and method for rolling bearing operation state in-situ monitoring. The structure is characterized in that an annular through groove is machined on the inner surface, used for cooperating with a test bearing, of a bearing pedestal in the circumferential direction, and the annular through groove can be connected with an outer ring ofthe test bearing to form an arrangement space; and a wiring hole is further machined on the bearing pedestal, and the annular through groove is communicated with the outer surface of the bearing pedestal through the wiring hole. The annular through groove ensures that the introduction of a groove does not change the original running state in a bearing, and the arc shape of the annular through groove avoids the occurrence of stress concentration in the transformation process of the bearing pedestal, thereby ensuring that the introduction of the groove does not cause the reduction of the structural strength. The frequency of a strain signal obtained in the test can be used for obtaining the rolling and sliding state in the bearing, and the amplitude and mean value of the strain signal can be used for obtaining the load and distribution condition of the bearing.

The invention discloses a fuel cell current density distribution nondestructive testing device and method, the fuel cell current density distribution nondestructive testing device comprises three magnetic field acquisition units, the output ends of the three magnetic field acquisition units are connected with one end of a data transmission module, and the other end of the data transmission module is connected with a computer; the three magnetic field acquisition units and the MEA of the fuel cell are arranged on the same plane, and two of the three magnetic field acquisition units are respectively arranged on two sides of the fuel cell; the rest magnetic field acquisition unit is arranged at the end part of the fuel cell and is far away from the gas inlet end of the fuel cell; according to the invention, the magnetic field acquisition units are arranged on the two sides and the end portion of the fuel cell respectively, the magnetic field intensity of the position where the magnetic field acquisition units are located is obtained through the magnetic field acquisition units, and then the current density distribution result of the fuel cell is calculated through the computer according to the obtained magnetic field intensity; the detection device is simple in structure, does not need an external power supply, and does not need to modify a fuel cell; and a current density distribution result calculated by using an electromagnetic inversion algorithm is high in precision.

The invention belongs to the technical field of organic chemical raw material preparation, and relates to a method for continuously and stably recovering aniline in aniline wastewater. The method is characterized in that an aniline wastewater flow automatic control device is arranged on an aniline wastewater recovery pipeline to control the water content of aniline in an aniline crude product entering an aniline refining system; the aniline crude product enters an aniline refining system to prepare an aniline pure product; and the aniline wastewater flow control device comprises a conductivity meter. The aniline in the aniline wastewater is accurately recycled through the conductivity meter, the water content of the aniline in the recycling process is reduced, and the influence on the operation condition of the aniline primary distillation tower due to mixing of the wastewater is completely eradicated; and the recovered aniline and the separated crude aniline enter an aniline primary distillation tower together for refining, so that the water content of the aniline entering the primary distillation tower is less than 2.0%, and the stable operation of an aniline refining system is ensured.

The invention discloses a battery cooling system for an automobile, a control method and device of the battery cooling system, a storage medium and a terminal, the battery cooling system comprises a battery module, a three-in-one module and a cooling module, and the method comprises the steps that the working state of the three-in-one module is detected; when it is detected that the three-in-one module is started, the cooling module is controlled to operate in a corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module; wherein different system temperatures correspond to different operation modes, and the refrigeration intensities of the cooling module under different operation modules are different. According to the scheme, cooling control over the three-in-one module can be achieved on the premise that the structure of an existing cooling system of an automobile is not changed, implementation is easy, additional power consumption is not increased, and energy saving is facilitated by adjusting the operation mode of the cooling module.