77results about How to "Flexible working mode" patented technology

The invention discloses a mixed power system which implements mixed connection power distribution by adopting an electric system. The invention is provided with two power systems; namely, a front cabin constitutes a parallel connection mixed power system by adopting an engine and an ISG motor; meanwhile, a rear wheel is additionally provided with an electric wheel formed by two hubs, which can carry out electric power-assistance. The power system has a plurality of operation modes and can switch among all operation modes under the control of the vehicle control unit according to different power requirements. By adopting the power system structure, the vehicle has good power performance and the reliability of the power system is greatly improved. Furthermore, the integrated vehicle generation of electricity and the hub motor driving of the invention can be carried out at the same time with more flexible working modes of the power system, and the engine can work at the optimized workingpoint for a long time.

The invention relates to a sampling clock generation circuit for a multichannel time interleaving analog-digital converter. The sampling clock generation circuit for the multichannel time interleaving analog-digital converter is composed of a multiphase clock generation module, a duty ratio recovering circuit and a channel selection module, wherein the multiphase clock generation module generates a multiphase clock signal required by the multichannel analog-digital converter and compensates for the a phase error of the multiphase clock signal at the same time, so that the accuracy of sampling clocks between channels of the analog-digital converter is guaranteed; the duty ratio recovering circuit conducts edge adjustment on a multiphase clock generated by the multiphase clock generation module, namely duty ratio recovery is conducted, and the output multiphase clock signal serves as a sampling clock signal of a sampling hold circuit; the channel selection module receives a control code written in through an external serial port, judges the number of required internal channels, controls the opening and closing of the internal channels and selects a multiphase clock inside a multiphase pulse module according to the control code, so that sampling clock generation is achieved under the condition that different channels are selected.

The invention relates to the field of hybrid energy storage photovoltaic systems, in particular to a bidirectional Buck transformer-based super capacitor and storage battery hybrid energy storage photovoltaic system, which comprises a photovoltaic array, a direct current/direct current (DC/DC) transformer, a super capacitor, a storage battery, a bidirectional Buck transformer and a load, wherein the photovoltaic array, the DC/DC transformer and the load are sequentially connected; the super capacitor and the bidirectional Buck transformer are connected between the DC/DC transformer and the load respectively; and the storage battery is connected with the bidirectional Buck transformer. According to the system, the photovoltaic array is high in utilization rate, the charging speed and the efficiency are high, the cycle life is long, the storage energy of the super capacitor can be maximally utilized, and the technical problems of short cycle life of a conventional photovoltaic energy storage system and low energy utilization rate of the super capacitor are solved.

The invention discloses two kinds of non-isolation type single-magnetic-core three-port direct current converters. Each of the two kinds of the converters comprises an input source port, a battery port, a load port, a first switching tube, a second switching tube, a third switching tube, a first diode, a second diode, a third diode, a filter capacitor and a filter inductor, and has five kinds of working patterns, wherein the four working patterns have three working modes. According to the converters provided by the invention, the converters are connected with the corresponding input voltage sources, the loads and the batteries; single-stage energy conversion is performed among the ports; the converters have multifunctional unified energy management modes and higher efficiency; the same working pattern can be carried out by different working modes, so that limitation to the port voltage is low; and in addition, the converters are wide in operating range and flexible in working modes.

The invention discloses a system and method for realizing automatic monitoring of the pH value of deep level solution based on the electrochemical ion selective electrode method. The system comprises a microprocessor unit, a pH electrode, a signal conditioning unit, a temperature acquisition unit, a CAN bus communication unit, an upper computer control management unit and a load power management unit, wherein the accurate intelligent compensation software is installed in the microprocessor; the load power management unit is used for converting battery voltage into voltage for circuit operation and controlling corresponding load switches to supply operation voltage to the signal conditioning unit, the temperature acquisition unit and the CAN bus communication unit; the signal conditioning unit outputs the input of the microprocessor unit; the output end of the temperature acquisition unit is connected with the Input/Output port of the microprocessor unit; the upper computer control management unit configures and modifies the parameter and demand of the microprocessor unit through the CAN bus communication unit. The system has the advantages that the ultra low power loss operation can be realized, the support of a power source is not required, the difficult problems that the deep level electrode is pressure resistant and manual correction cannot be performed due to long-term online operation are solved, and the pH valve of deep level root position solution can be monitored automatically.

The invention relates to a control method of the operating condition of a PFC (Power Factor Corrector) module. The control method comprises the following steps: step 1: a direct current frequency conversion compressor driving module adopts a single-resistance bus current sampling mode to detect the voltage of a direct current bus after a direct current frequency conversion compressor is started and the operating power exceeds 600W, and then the compressor driving module selects a PFC operating mode according to the direct current voltage detection value and the voltage requirement of the direct current bus; step 2: when the PFC operating mode requires to be controlled according to the detection result in step 1, the PFC can operate in a boost mode, a partial PFC mode, an operation prohibited mode and a maintaining mode; and step 3: when control and adjustment of the PFC operating condition are completed, the operating power of a direct current frequency conversion compressor and the voltage of the direct current bus are detected, and then the PFC operating condition is controlled according to the detection result.

The invention discloses a full-automatic corrugated forming press for an isolation diaphragm. The full-automatic corrugated forming press for the isolation diaphragm comprises an automatic feed mechanism, a corrugated forming press mechanism, a rotary index table mechanism, an automatic discharge mechanism, an overhead bracket and a control mechanism. According to the full-automatic corrugated forming press for the isolation diaphragm provided by the invention, a PLC (Programmable Logic Controller) is used as a control core, a touch screen is combined to control and operate the whole mechanism, so that the system is stable and simple and convenient to operate. Diaphragms are automatically fed and discharged through a two-dimensional mechanical arm combined with a vacuum chuck, synchronous coordinated operation of three steps: diaphragm feeding, corrugation and discharging is realized by the characteristic of a quarter index rotary table which is precisely positioned through a servo motor adequately, so that the production period of products is shortened, and meanwhile the yield of the products is improved. The full-automatic corrugated forming press for the isolation diaphragm is particularly suitable for automatic production in plants.

The invention discloses a true random number generator and a generation method for converting bridge voltage at random intervals by MCU, the true random number generator comprises the MCU, a bridge module and an amplifier, and the MCU comprises an application module, a random number generation module and an ADC module; wherein the power supply VCC is respectively connected with the bridge module and the amplifier through the switch SW, the output end of the bridge module is connected with the amplifier, the output end of the amplifier is connected with the ADC module, the ADC module is connected with the random number generator, and the random number generator is connected with the application module. According to the invention, the output of the electric bridge passes through the amplifier and then is converted by the ADC, the bit size of the true random number can be controlled by the application module, the working mode is very flexible, and various application scenarios of a communication system and encryption algorithms requiring various random number bit widths can be met.

The invention relates to aspeed-adjustable elevator running method. The method comprises the steps that a plurality of buttons of each elevator are divided into a high floor button group and a low floor button group; the operating state of the high floor button group and the low floor button group is set; a central controllersimultaneously detects the operating state andpassenger carrying situation, when the central controller detects that the current time is the transition time and a lift car carries at least one passenger, the central controller controls the current lift car to carry the passenger to a target flooraccording to thefloor selected by the passenger until there is no passenger in the lift car, and then switching to another runningmode is performed; when there is no passengerin the lift car, the central controller controls thelift car to run downwards, the lift cardescends at a normal speed when passengers enter the lift car, and the central controller controls thelift car to accelerate to reach the lowest floorif no passenger enters thelift car. The method can flexibly switch the operating state of the elevator according to actual conditions and adjust the running speed to improve the efficiency of carrying passengers.

The invention discloses a hybrid excitation magnetic linkage parallel double-rotor combined motor which comprises stator iron cores, permanent magnets, internal motor magnetic conductive teeth, external motor magnetic conductive teeth, internal armature windings, external armature windings, excitation windings, an internal rotor and an external rotor. 'U'-shaped structures are formed by the internal motor magnetic conductive teeth and stator yokes, and 'T'-shaped structures are formed by the external motor magnetic conductive teeth and the stator yokes; the internal armature windings are wound on internal motor magnetic poles jointly formed by the internal motor magnetic conductive teeth and the permanent magnets, and the external armature windings and the excitation windings are wound on the external motor magnetic conductive teeth. The hybrid excitation magnetic linkage parallel double-rotor combined motor has the advantages that two motor systems are integrated in motor spaces, internal and external motor magnetic circuits are parallel to one another, two power paths are formed and can be independently controlled, permanent magnetic fields can be adjusted by the aid of the excitation windings, accordingly, load requirements of the motor in different working states can be met, and the reliability and the flexibility of the systems can be improved.

The invention provides a space-time function-controlled multi-section linkage type continuous casting magnetic stirring system and a method thereof, and relates to the technical field of steel metallurgy. According to parameters such as continuous casting steel grade and cross-section size, dynamic stirring control with long interval, multi-mode and high-precision is carried out, so that the metallurgical function and effect of continuous casting magnetic stirring can be improved, and the regulation and control window of continuous casting process parameters is expanded; according to the system, a plurality of stirrer unit sets are arranged at different positions of a continuous casting machine, wherein each set of stirrer unit sets comprises a plurality of independently-controlled stirrerunits; the stirring modes of different stirrer units in the same stirrer unit set are the same or different, and the stirring mode is a function of time and space; linkage control is carried out between the stirring unit sets; and the stirring mode comprises rotary stirring, linear stirring, continuous stirring, alternating stirring and any combination of clockwise and counterclockwise stirring under a space-time function. The space-time function-controlled multi-section linkage type continuous casting magnetic stirring system is suitable for the continuous casting process of steel metallurgy.

The invention provides a control device for hybrid power. A four-shaft transmission system is composed of three input shafts and an output shaft, wherein the three input shafts include a first motor,a second motor and an engine, and a more flexible working adjustment mode is achieved, the first motor and the second motor regulate the speed of the engine, and the control device can adapt to more complicated road conditions. By adjusting the rotating speed of a first gear ring, a first planet carrier, a first sun wheel, a second gear ring, a second planet carrier and a second sun wheel, whereinthe first gear ring, the first planet carrier, the first sun wheel belong to a first planetary row, and the second gear ring, the second planet carrier and the second sun wheel belong to a second planetary row, the whole control device can work like a constantly variable transmission, without the shifting process during the entire driving process, without power loss and impact, the acceleration process and the deceleration process are smooth and comfortable, and an engine and a motor of a hybrid power bus can always work in the high efficiency zone when the hybrid power bus is in different working modes.

The invention relates to the technical field of detection of PM2.5, and discloses a multi-mode air purifier based on PM2.5 detection results. The multi-mode air purifier based on the PM2.5 detection results comprises a box, wherein a detection box is fixedly connected with the interior of the box, a laser emitter and a photoelectric detection board are arranged in the detection box, a high-voltagestatic dust collecting box and a water spray box are fixedly connected with the interior of the detection box through connection pipes, airtight valves are arranged on surfaces of the connection pipes, a purification area is arranged in the box, and an exhausting pipe is arranged on the portion, in the box, above the purification area. According to the multi-mode air purifier based on the PM2.5 detection results, through running of an air pump, air is absorbed, and enters the detection box through an air inlet pipe, through the laser emitter, laser is emitted, a concentration of PM2.5 in theair is detected and determined by the photoelectric detection board, the airtight valves are controlled by a single chip microcomputer to be opened, and thus the air enters different cleaning steps, so that the effect of flexibly selecting working modes on the basis of the concentration of the PM2.5 is achieved.

The invention provides a maintenance and regeneration device for a lithium slurry battery. The maintenance and regeneration device comprises: a gas nozzle, which can be connected or disconnected witha gas port of the lithium slurry battery; a liquid nozzle, which can be connected or disconnected with a liquid port of the lithium slurry battery; a gas recovery unit, which is connected with the gasnozzle through a first gas pipeline; a gas storage tank, which is connected with the gas nozzle through a second gas pipeline; a liquid recovery unit, which is connected with the liquid nozzle through a first liquid pipeline; a liquid storage tank, which is connected with the liquid nozzle through a second liquid pipeline; and control valves, which are arranged in the gas pipelines and the liquidpipelines. The invention also provides a maintenance and regeneration method for the lithium slurry battery. With the maintenance and regeneration device and the maintenance and regeneration method for the lithium slurry battery provided by the invention, liquid injection, liquid supplementation, liquid exchanging, gas injection and gas exhausting of the lithium slurry battery can be realized, sothe usage performance, safety and airtightness of the lithium slurry battery are improved; the service life of the lithium slurry battery is prolonged; and maintenance and regeneration of the lithiumslurry battery are realized.

The invention relates to a six-phase integrated starter and generator applied to a vehicle and having an electric power-assisting mode and a generating and charging mode. The six-phase integrated starter and generator comprises a belt pulley, a drive end cap, a stator assembly, a rotor assembly, a brush end cap, a wiring frame assembly, a carbon brush holder assembly, and a plastic rear cover. The stator assembly comprises two independent three-phase motor windings in star connection. The two three-phase motor windings constitute two independent motors capable of operating independently. The electric phases of the two three-phase motor windings have a difference of 0, 30 or 60 degrees. The vehicle belt-driven six-phase integrated starter and generator has simple structure and reliable operation, can flexibly uses the operating modes while guaranteeing smooth installation in installation spaces of respective automobile manufacturing enterprises, reduces power consumption, prolongs a service Life, achieves purpose of saving fuel and reducing emissions, and helps to solve the technical problems of single operating modes and low power-volume ratios of similar products.

The invention discloses a vehicle suspension device and an oil rig trailer. The vehicle suspension device is applied to a frame, and the suspension device includes a fixed part, an extension part anda connecting part. The fixed part is installed on the frame. The extension part is fixed to the fixed part in an extensible mode, and the extension part is provided with a driving device so as to drive the extension part to extend or retract. The connecting part is located at the end, away from the fixed part, of the extension part. The requirements of free lifting of the frame can be met, and therequirements that a walking mechanism can be controlled to be off the ground can be met. According to the oil rig trailer, the integration and overall transporting requirement of a derrick, a base and accessory equipment of a whole rig is met, and the vehicle suspension device installed on the trailer meets the working condition requirements including that during working, a rig base lands on theground and a tire is off the ground, and during transportation, the rig base keeps a high ground clearance.

Provided is an LED nixie tube display system based on an 8031 single-chip microcomputer. The system comprises an 8031 single-chip microcomputer, an MAX7219 chip, an MAX232 chip, an MAX813L chip, an LED nixie tube, and a PC. The PC is connected to the MAX232 chip. The MAX232 chip is connected to the 8031 single-chip microcomputer. The 8031 single-chip microcomputer is connected to the MAX7219 chip. The MAX7219 chip is connected to the LED nixie tube. The MAX232 chip is adopted to achieve serial port communication between the PC and the 8031 single-chip microcomputer, complicated data processing is better conducted by means of the PC, and therefore the disadvantage of the poor operation capability of the single-chip microcomputer is overcome. The MAX7219 chip serves as an interface controlling display of the LED nixie tube, so a circuit is made to be simpler, the system is easier to use, and the working modes will be more flexible and diversified. Through the anti-interference design of the MAX813L chip, the system can function steadily and reliably for a long period of time.

The invention relates to a digital weighing sensor comprising a force measuring element, a power supply excitation module, a signal detection module, a microprocessor, a communication module, a line current control module, and a configuration control module. The signal detection module can be used for signal conversion by first configuration control information by adopting a corresponding detection mode. The processor can be operated by second configuration control information by adopting one or a plurality of inner core/s or processor/s. The communication module can be used for communication by third configuration control information by adopting corresponding communication protocol, terminal matching, and impedance control. The line current control module can be used for configuration of the switching on/off, the voltage value, and the current value of the power supply excitation module, the signal detection module, the microprocessor, and the communication module according to fourth configuration control information. The configuration control module can be used to transmit the first configuration control information, the second configuration control information, the third configuration control information, and the fourth configuration control information according to the selected working mode. The invention also provides a digital weighing sensor intelligent network based on the multi-configuration technology.

The invention discloses a distributed microsatellite micro-vibration signal acquisition system and an application method thereof, and the system comprises a distributed digital micro-vibration acquisition array, a power supply control distribution single machine, a spaceborne computer, and a data transmission subsystem. The distributed digital micro-vibration acquisition array comprises a plurality of micro-vibration acquisition modules installed on different vibration transmission paths of a satellite, the power supply ends of the micro-vibration acquisition modules are connected with the output end of a power supply control distribution single machine, the output ends of the micro-vibration acquisition modules are connected with a satellite-borne computer, and the input end of the power supply control distribution single machine is connected with a satellite-borne primary power supply, and the spaceborne computer is respectively connected with the control end of the power supply control distribution single machine and the data transmission subsystem through a bus. Aiming at the problem that the existing micro-vibration signal acquisition system is difficult to meet the requirements of weight reduction, consumption reduction and acquisition precision of the microsatellite, the high-precision measurement and reliable downloading of the micro-vibration signal under the in-orbit operation of the microsatellite can be realized, and meanwhile, a temperature measurement function required by a satellite thermal control subsystem is additionally provided.