126results about How to "Adjust working status" patented technology

The invention relates to an energy balancing wireless sensor network clustering method, which comprises the following three steps of: selecting cluster heads, building a cluster and transmitting data, wherein in the process of selecting the cluster heads, the priorities of nodes to be selected as the cluster heads are set by parameters such as the energy of the nodes, the number of neighboring nodes and the like, so that the cluster heads are more uniformly distributed; in the process of building the cluster, an energy threshold is set as the rebuilding condition of the cluster, so that the aim of reducing the rebuilding frequency of the cluster is fulfilled; meanwhile, a single-hop and multi-hop combined data transmission model is adopted, so that hot problems in a network are solved. Bythe method, the energy can be effectively utilized, the stability of the network is improved, the energy consumption of the network can be balanced, the service life of the network is effectively prolonged, and the network has higher extensibility and safety.

The invention discloses a pressure control pot lid and an electric pressure cooker. The pressure control pot lid comprises a lid body (1). An exhaust port (2) is arranged on the cover body (1). A float valve (3) is arranged at the exhaust port (2). A float control mechanism is further arranged on the cover body (1). The float valve (3) is sleeved with the float control mechanism. The float control mechanism has a first working position blocking the floating path of the float valve (3) and a second working position avoiding the floating path of the float valve (3). According to the pressure control pot lid, non-pressure cooking and high-pressure cooking of the pressure cooker can be achieved separately, the cooking modes are more diversified, and functions are more complete.

The invention discloses a pressure control pot lid and an electric pressure cooker. The pressure control pot lid comprises a lid body (1). An exhaust port (2) is arranged on the cover body (1). A float valve (3) is arranged at the exhaust port (2). A float control mechanism is further arranged on the cover body (1). The float valve (3) is sleeved with the float control mechanism. The float control mechanism has a first working position blocking the floating path of the float valve (3) and a second working position avoiding the floating path of the float valve (3). According to the pressure control pot lid, non-pressure cooking and high-pressure cooking of the pressure cooker can be achieved separately, the cooking modes are more diversified, and functions are more complete.

The invention provides a low-power-consumption realization method for an early warning device for fall prevention. On the basis of motion interruption information provided by a motion sensor and a low-power-consumption characteristic of a shutdown mode of a single-chip microcomputer, the single-chip microcomputer detects a motion interruption signal provided by the motion sensor and then the working states of the single-chip microcomputer and the motion sensor can be adjusted flexibly, thereby achieving an objective of overall power consumption reduction. Meanwhile, the motion sensor carries out accelerated speed acquisition only at a low sampling rate in a low-power-consumption mode; and once the accelerated speed is detected to exceed a set threshold value, a motion interruption signal is generated immediately and the single-chip microcomputer is informed of state changing of a monitored object from a static stat to a moving state; and the single-chip microcomputer updates configuration of the motion sensor, so that the motion sensor works in a high-speed sampling state.

The invention provides an air exhausting control method and device and a down-down exhausting cabinet, and relates to the technical field of air conditioners. The air exhausting control method is applicable to the up-down air exhausting cabinet. The up-down air exhausting cabinet comprises a housing, and a functional device which is arranged in the housing, wherein an upper air outlet is formed in the upper part of the housing, and a lower air outlet is formed in the lower part of the housing. The air outlet control method comprises the following steps: receiving a shielding signal which is used for reflecting whether a barrier is within the preset distance from the lower air outlet; controlling the lower air outlet to open or close based on the shielding signal; and controlling the functional device to start or stop. The air exhausting control method meets the target demand and ensures the comfort.

The invention discloses a totally-changeable intake and exhaust mechanism of a compressed air engine and a method of the mechanism. A cylinder cover is arranged on a cylinder wall. An intake valve and an exhaust valve are arranged inside the cylinder cover. The intake valve and the exhaust valve are connected with an air storage tank through an intake and exhaust channel. Throttling valves are arranged on the inner layers of the intake valve and the exhaust valve in a sleeving manner. The throttling valves are driven by a throttling valve driving mechanism. The intake valve and the exhaust valve are driven by an intake and exhaust power transmission mechanism. A piston is arranged inside the cylinder wall. A compressed air one-way valve, an air cylinder intake one-way valve and a combustion chamber of the compressed air engine are connected. Totally-changeable intake and exhaust of the pneumatic engine can be achieved, and the intake and exhaust duration time and the maximum valve opening can be adjusted by adjusting the throttling valves, so that the working state of the engine is adjusted according to the requirement of working conditions. Meanwhile, the engine can be switched between the braking energy recovery working manner and the pneumatic driving manner by adjusting the positions of the throttling valves and controlling the one-way valves.

The invention proposes a thermal processing method and device of a power battery and an electric vehicle. The method comprises the steps of acquiring current working condition information of the power battery; determining heat generation quantity of the power battery within a future preset time slot by a preset rule according to the current working condition information; and adjusting a working condition of temperature control equipment according to the heat generation quantity of the power battery within the future preset time slot. By the method, the current working condition of the power battery is achieved, the temperature of the power battery is controlled in advance, the situation that the performance of the power battery is reduced due to excessive high or excessive low temperature is prevented, the reliability and the safety of the power battery are improved, and an application experience of a user is enhanced.

The invention relates to the technical field of illumination, and discloses an intelligent street lamp monitoring system. The intelligent street lamp monitoring system includes: an environment monitoring unit which is arranged on a street lamp or a road where the street lamp is located, is used for monitoring the time, and the environment brightness, a weather condition, and a traffic condition ofthe road; a control unit which is connected to the environment monitoring unit, and is used for sending a control signal according to the time, the environment brightness, the weather condition, andthe traffic condition which are monitored by the environment monitoring unit; and an adjustment unit which is connected to the control unit and the street lamp, and is used for adjusting the brightness and the working state of the street lamp according to the control signal. The intelligent street lamp monitoring system can adjust the brightness of the street lamp according to the environment brightness, the weather condition, the traffic condition of the road wherein the street lamp is located, and the time period, can enhance the ability to monitor and manage the street lamp, can effectivelyreduce huge loss of electricity due to the fact that the brightness of the street lamp cannot be adjusted, and can prolong the service life of the street lamp.

A true random number generator is composed of a 8-stage circuit ring to generate the random number "0" or "1" from each stage, a register for receiving said 8-bit random number from said 8-stage circuit ring, and a data channel for receiving the random number from the register and outputting it to peripheral circuit. KIt has high generation rate up to 160 Mbps.

The invention discloses an integrated intelligent electricity usage system for a building and an electricity usage method thereof. The system is characterized in that a measurement control collection device is used for detecting environment parameter information inside a room and control information of associated equipment and transmits the collected information to each room controller; the room controller receives data uploaded by a front-end measurement and control collection device, uploads the data to a monitoring center, and receives a command from the monitoring center to change a working state of the front-end measurement and control collection device; the room controller is provided with a built-in control strategy for the room environment parameter to adjust an environment parameter inside the room intelligently and display the parameter in the room in real time. According to the invention, because one room controller is arranged in each room, environment parameters and electricity consumption in the room can be displayed in real time; and on the basis of the internally-integrated control strategy, the working states of electric appliances in the room can be adjusted autonomously, thereby guaranteeing comfort of the environment and energy conservation.

The invention discloses a kind of high speed true random number generator; The including imitates the telephone and digital circuits, the simulation telephone is from the operation telephone, sample the hold circuit and defend the saturated telephone constitutive enzyme; The digit anti is separately the reversible shuffle telephone of right and wrong. Should be top speed and really take place the machine and can generate the speed as true random numbers of the high mass of the 20 Mbpses random.The random numbers availability generate in the cipher key of the born cipher code, cipher algorithm, the aetio of the customer of bank starts the cipher code, cipher, the cipher code, cipher of the automatic consign machine etc, but its true random is important scure of the information safety.

The invention provides a lithium ion battery thermal runaway early warning method. The lithium ion battery thermal runaway early warning method comprises the following steps of: the step 1: performinganalog simulation on a lithium ion battery, obtaining shell surface temperature data and deformation data of the lithium ion battery at the normal charging and discharging moment and the overchargingthermal runaway moment of the lithium ion battery, and establishing a battery temperature distribution model; the step 2, in the battery temperature distribution model, determining the positions of asurface temperature highest point P1 and a surface temperature lowest point P2 when the lithium ion battery is normally used; the step 3, monitoring the temperature difference [delta]T and the deformation difference [delta]d between P1 and P2 of the lithium ion battery in the use process in real time by a monitoring device; and the step 4, determining the running state of the lithium ion batteryaccording to a preset condition. Through the combined use of the maximum temperature difference of the battery body and the shell deformation, the early monitoring of the battery thermal runaway can be effectively performed. Through condition logic determination, the possibility of thermal runaway of the battery is determined, and the accuracy is high.

The present invention discloses a multi-platform production line mechanical device control system and method. The method comprises the steps of: collecting actual working state data of a mechanical device, and comparing the actual working state data of the mechanical device with a normal operation working state data of the mechanical device; if the actual working state data is not in the range ofthe normal operation working state data, regulating the working state of the mechanical device; if the regulated working state data of the mechanical device is still not in the range of the normal operation working state data of the mechanical device, performing fault matching by employing a fault model according to the regulated working state data of the mechanical device, and obtaining a fault type of the mechanical device; and performing maintenance recommendation matching according to the fault type. The multi-platform production line mechanical device control system and method can monitorthe operation state of a mechanical system, can intelligently give fault reasons and maintenance recommendations of the mechanical system, can restore faults of the mechanical system, is high in automation degree and can reduce investment of manpower resources and time cost.

The invention relates to a method and a system for measuring sensor nodes and a sensor network. The measuring system comprises measuring devices and an upper management device, wherein the measuring devices are combined with the sensor nodes, and the upper management device is used for receiving data transmitted by the measuring devices and controlling the measuring devices; and each measuring device comprises a processing unit, a data storage unit, a specific detection module, a network communication unit and a power supply unit. In the invention, the measuring devices can be formed into a self-organized network to carry out multi-hop data communication and transmit measurement data and control information. The measuring devices uses a network different from the network of the measured sensor nodes to carry out measurement data communication, consequently, the interference of measurement data streams on the sensor network of the measured sensor network nodes is prevented, and the accuracy of the data of the measured sensor network is increased.

The invention relates to the technical field of transport lifting slings, and particularly provides a lifting and transporting tool for a crucible. The lifting and transporting tool for the crucible comprises a suspender which is vertically arranged. The suspender is sleeved with a connecting sleeve capable of moving up and down, and the connecting sleeve is hinged to external support rods for supporting the inner wall of the crucible. The external support rods are provided with supporting members for supporting the inner wall of the crucible, and the three or more external support rods are arranged. A hinge seat is fixedly arranged at the bottom of the suspender, and inner support rods which are hinged to the external support rods and are used for supporting the external support rods arearranged between the hinge seat and the external support rods. In the process of the movement of the external support rods and the inner support rods, the lifting and transporting tool for the crucible has the movement state of the external support rods facing down and the inner support rods facing up. Technicians can only move the connecting sleeve on the suspender to drive the movement of the external support rods and the inner support rods, and the extension or contraction of the external support rods are achieved, and the operation is simple.

The invention discloses custard cream and production method thereof and relates to cream and production methods thereof. The custard cream comprises, by mass percentage, 4-8% of palm oil, 1-6% of anhydrous butter, 2-10% of non-hydrogenated vegetable oil, 5-20% of syrup, 5-20% of single cream, 0.1-1% of yolk powder, 0.5-5% of whole milk powder, 0.5-5% of sweet whey powder, 1-5% of white granulated sugar, 2-8% of glucose, 0.2-2% of hydroxypropyl distarch phosphate, 0.1-1% of hydroxypropyl methyl cellulose, 0.01-0.1% of carrageenan, 0.01-0.1% of locust bean gum, 0.2-2% of xanthan gum, 0.05-0.5% of microcrystalline cellulose, 0.02-0.2% of sorbitan monostearate and the like.

The invention discloses a riverway sludge cleaning and collecting device. The riverway sludge cleaning and collecting device comprises a ship body, a rack is installed at the front end of the ship body, and a dewatering cabin and a material collecting cabin are arranged in the ship body; a dewatering barrel is installed in the dewatering cabin, a conveying rotation shaft is transversely installedin the dewatering barrel, a conveying roll is installed on the conveying rotation shaft, and a spiral auger is installed on the conveying roll; a driving motor is installed on a top plate of the dewatering cabin, a driving gear is installed on the driving motor through a rotation shaft, the dewatering barrel is provided with transmission gear stripes, and the driving gear meshes with the transmission gear stripes; and the material collecting cabin is located behind the dewatering cabin and communicates with the dewatering barrel. According to the riverway sludge cleaning and collecting device,the angle of a sludge sucking pipeline can be adjusted, therefore, the riverway sludge cleaning and collecting device can conveniently adapt to water area sludge under different conditions when sludge sucking operation is conducted, sludge can be effectively dewatered and hoarded, and the sludge can be conveniently recycled.

The invention particularly relates to communication manhole covers and provides a composite manhole cover for a communication base station. The composite manhole cover comprises a cover which is prepared from the following ingredients in parts by weight: 40-95 parts of cyanate resin, 5-60 parts of low-dielectric-constant fibers, 1-15 parts of toughening modifier, 1-20 parts of curing agent, 1-20 parts of reinforcing filler, 0.5-10 parts of low-shrink additives, 0.01-2 parts of catalyst, 0.1-1 part of lubricant, 0.01-1 part of UV absorbent, 0.1-0.6 part of antioxidant and 0.1-0.5 part of pigments. According to the composite manhole cover for the communication base station, the manhole cover is prepared by adopting the cyanate resin, signals in a communication pipeline below an inspection shaft can be led out, and thus, the manhole cover can become an aerial transmitting base station; the cyanate resin has high mechanical properties, good heat resistance and low water absorption rate, meanwhile, the cyanate resin has most outstanding dielectric properties among unsaturated resins and has low dielectric constant and dielectric loss.

The invention relates to a detection system and method for the human-body lower limb hip and knee joint angle. The detection system comprises four miniature navigation attitude module units, four wireless units, one controller unit and a PC. The miniature navigation attitude module units are used for detecting attitude information of the right thigh, the right shank, the left thigh and the left shank of the human body and transmitting the information to a wireless unit main module; a wireless unit slave module receives data of the wireless unit main module in a zigbee communication mode and transmits the data to the controller unit; the controller unit conducts transmission control over the attitude information of the thighs and the shanks and transmits the attitude information to the PC through a USB cable; the PC calculates the human-body lower limb hip and knee joint angle through an algorithm, and displays the angle information on a software interface of the detection system in real time. The detection system has the advantages that the system is convenient to wear on the lower limbs, the detection data is accurate, and the angle change is displayed in real time; the detectionsystem is applicable to human-body lower limb exoskeleton power-assisted mechanisms, rehabilitation mechanisms and biomedical engineering.

The invention provides a mill work state adjusting method and device. The method comprises the steps of collecting sound signals of work of a mill, and extracting impact data frames of a grinding medium impact lining plate from the sound signals; according to the impact data frames, positioning the impact position of the grinding medium impact lining plate; according to the impact position, determining the toe position of the mill; judging whether the impact frequency when the impact position is located above the toe conforms to the preset frequency or not, if not, adjusting the work state of the mill; according to the scheme, in-time adjusting the work state of the mill can be achieved, the lining plate above the toe is directly impacted by the grinding medium as little as possible, the mill can be kept in the optimal work state to the greatest extent, and the whole work efficiency of the mill is improved.

The invention discloses a Kafka-based consumer side load balancing method, and belongs to the technical field of message processing. In order to solve the problem that consumers are isolated from one another in an existing consumer-side load balancing method, and the problem that the consumer message processing capacity is reduced due to consumer downtime cannot be efficiently solved, the invention provides an improved consumer-side load balancing method. In the whole process from producer cluster producing messages to broker storing messages to consumer cluster receiving messages in a Kafka message transmission system, coordinators selected at the beginning of load balancing are used for uniformly managing and distributing corresponding conditions of consumers and partitions, and different distribution schemes are formulated according to load conditions of the partitions, so that the problem that consumers are isolated from one another in an existing load balancing strategy is well solved, the Kafka system can be helped to efficiently and quickly process sudden load balancing events, and the applicability of the Kafka in a production environment is improved.

The invention provides a metal powder fuel air-water cross-medium engine and a control method thereof. The engine has the capabilities of jumping water and air at multiple frequencies, flying at the speed of Ma0-4.0 and working at a high speed underwater. According to the metal powder fuel air-water cross-medium engine, an air turbine rocket engine mode, a subsonic combustion ramjet engine mode and a water ramjet engine mode are organically combined, the engine can work in water and air media through engine flow channel adjustment, the working modes can be automatically switched according to the external environment, and the engine has the wide speed range and high-performance working capacity.

The invention provides an intelligent wireless control electric health-care negative pressure jar which is formed by connecting an upper jar body and a lower jar body through a turnbuckle. The intelligent wireless control electric health-care negative pressure jar is further provided with a wireless controller. A miniature vacuum pump, a pressure sensor, a CPU chip, a control circuit board, a lithium ion battery, an indicator light and a wireless transceiver are arranged in the upper jar body. The control circuit board is provided with the CPU chip, a vacuum pump driving control circuit, a charging management circuit, a sensor control circuit, a startup and shutdown logic control circuit and a USB communication interface circuit. The CPU chip is provided with external crystal oscillators. The intelligent wireless control electric health-care negative pressure jar has the advantages that the cupping negative pressure standard of a cupping therapist can be digitized, the intelligent wireless control electric health-care negative pressure jar has an automatic pressure supplementing function, and a user can start up and shut down the electric negative pressure jar or regulate the value of pressure in the negative pressure jar automatically in a remote control mode.

The invention discloses an air-cooling dust removal system and a particle production device group. The air-cooling dust removal system comprises a suction device, a horizontal pipeline, an air cooling device, a cyclone material lowering device and an air closing device, wherein the upper end of the suction device is connected with the air cooling device, and the lower end of the suction device is connected with the horizontal pipeline; the horizontal pipeline is used for buffering the upward suction speed of the formed particles; the air cooling device is arranged at the inlet end of the cyclone lowering device, and the air closing device is arranged at the outlet end of the cyclone material lowering device. By adopting the air-cooling dust removal system and the particle production device group, the production procedure can be simplified, the production energy consumption can be saved, and the particle breaking phenomenon caused by the collision of the formed particles and the device can be reduced.

The invention relates to an air inlet auxiliary device of a purifier, in particular to a novel wind device which connects the purifier and coordinately controls fresh air supply with the purifier. The novel wind device is connected to an air inlet of the purifier, and the air inlet comprises an air inlet volute and an air outlet volute which is communicated to the air inlet volute. The air inlet volute is provided with a PM2.5 sensor and a temperature and humidity sensor, while the second air outlet of the air outlet volute is provided with a new air door, and the new air door is connected to a stepping motor which can control the opening and closing of the new air door corresponding to the second air outlet. The PM2.5 sensor, temperature and humidity sensor, an axial motor, and the stepping motor are all connected with the control circuit of the purifier. The novel wind device avoids the problem that the introduction of outdoor air may contaminate the clean air in the room after the door and the window are opened. Through the controlling over the purifier, the novel wind device can realize control over the new wind, and can simplify control operation. Besides, through the novel wind device, the purifier is capable of acquiring status statistics of the outdoor control.

An 86-type intelligent speech recognition switch has an outline meeting an international standard of an 86-type switch. The 86-type intelligent speech recognition switch comprises a power source module, a microphone, a speech processing chip, a main control chip, an SPI Flash memory, a relay response module, a manual control module and a Wi-Fi module. A speech command with high sensitivity and simple operation is employed to control the starting and the opening of the switch, and the switch state is manually switched, a mobile electronic device is employed to control on-off of electrical appliances or change other working states, a circuit is not required being rectified at installation through the 86-type appearance design, and therefore the 86-type intelligent speech recognition switch is flexible and practical, simple and rapid and simple to operate.

The invention discloses a work control method of a refrigerator. The work control method of the refrigerator includes the steps that the refrigerator is in communication with a handheld device; the refrigerator obtains preset condition parameters in the working process and sends the obtained preset condition parameters to the handheld device; the handheld device receives the preset condition parameters and displays the received preset condition parameters; the handheld device receives an adjusting instruction which is input according to the preset condition parameters by a user and sends the adjusting instruction to the refrigerator; the refrigerator adjusts the corresponding working state according to the adjusting instruction. According to the work control method of the refrigerator, closed-loop control is formed by the refrigerator and the handheld device, the refrigerator adjusts the corresponding working state under the control of the handheld device, and therefore the refrigerator works at the optimal state and the purposes of high efficiency and energy conservation of the refrigerator are achieved. The invention further discloses a work control system of the refrigerator.

The invention discloses a CMOS down-conversion mixer. The CMOS down-conversion mixer comprises a radio frequency differential input circuit and a switching circuit. Load circuits formed by connecting resistors and PMOS transistors in parallel are connected between the normal phase output end of the switching circuit and a supply voltage and between the reversal phase output end of the switching circuit and the supply voltage; grid electrodes of the PMOS transistors of the load circuits are connected with a first control voltage, and therefore load impedance of the load circuits can be adjusted. Drain electrodes of two NMOS transconductance tubes of the radio frequency differential input circuit are respectively connected with a constant current source, and source electrodes of the NMOS transconductance tubes of the radio frequency differential input circuit are jointly connected with an LC parallel circuit. According to the CMOS down-conversion mixer, gains can be improved and are adjustable, the linearity and the noise performance can be improved, and the working voltage can be reduced.

The invention relates to a human-body-temperature adjusting device. The human-body-temperature adjusting device comprises a surface myoelectricity collecting module, a temperature connecting module, awater circulation system, a temperature control module, a lower computer, an upper computer, a warning device, a touch display screen and a temperature control garment, wherein the surface myoelectricity collecting module, the temperature connecting module, the water circulation system, the temperature control module, the warning device and the upper computer are connected with the lower computerthrough a circuit; the touch display screen is connected with the upper computer through a circuit; the water circulation system is connected with the temperature control garment through a connectingwater pipe; the surface myoelectricity collecting module and the temperature connecting module are used for collecting body surface myoelectricity signals and body temperature signals of a patient and water temperature signals of the water circulation system, and the signals are integrated through the lower computer to be sent to the upper computer; the upper computer is used for data processingand sending control instructions to the lower computer; the lower computer controls the water circulation system, the temperature control module and the warning device according to the control instructions; the touch display screen is used for human-computer interaction. According to the human-body-temperature adjusting device, the rationality and the safety in the clinical treatment process are guaranteed.

The invention discloses an automatically escaping turner track cleaner, which comprises a machine body, wherein the a tray is mounted on the machine body; the machine body is provided with a support telescopic shaft; the other end of the support telescopic shaft is hinged to a cleaner body; the track cleaner is characterized in that the bottom of the cleaner body is rotatingly connected to a hydraulic telescopic shaft; the other end of the hydraulic telescopic shaft is connected to the tray; an elastic recovery component sleeves the hydraulic telescopic shaft; and one end of the elastic recovery component is connected to the cleaner body and the other end of the elastic recovery component is fixed on the tray. With the technical solution of the invention, the cleaner body can escape an obstacle by rotating when the cleaner encounters the obstacle and can't remove the obstacle, thus the turner can move forward normally.