47results about How to "Improve running stability" patented technology

The invention relates supplies a method to realize zero leakage and non-contact for mechanism sealing. It opens microcosmic lubricating rooms and macrocosm pump feeding slots on the active circle and the static circle of the mechanism sealing. The combining of the two shapes make the liquid dynamical effect and upstream pump feeding effect more signalization. And the zero leakage and non-contact for mechanism sealing are realized. The method is suited for any liquid medium mechanism sealing, especially high parameter mechanism sealing.

The invention relates to manufacturing equipment of metal materials, in particular to a double-nozzle-scanning inclined spray type cylinder blank injection moulding device. The double-nozzle-scanning inclined spray type cylinder blank injection moulding device comprises a deposition chamber, wherein a ladle used for storing molten metal and atomizing nozzles connected to the bottom of the ladle are arranged at the top of the deposition chamber, and the deposition chamber is internally provided with a rotatable deposition substrate; the deposition substrate is arranged in the center of the deposition chamber and a rotating shaft of the deposition substrate is arranged in a vertical direction, and the atomizing nozzles are arranged above the deposition substrate; and the distances between the two atomizing nozzles and the axial lead of the deposition substrate are different. The injection moulding device provided by the invention has the advantages: the operating stability and the moulding quality of the whole system are improved, and the requirement on the bonding strength of the deposition substrate and a cylinder blank is lower, thus ingot blanks in a larger scale can be conveniently manufactured; the two atomizing nozzles are adopted, and thus a large-diameter ingot blank product can be formed; waste of material and exhaust pollution can be reduced; and optimal moulding technological conditions can be conveniently formed.

The invention discloses a low-voltage ride-through circuit of a doubly-fed wind generator set. The low-voltage ride-through circuit comprises a crowbar circuit and an absorption circuit, wherein the crowbar circuit is connected between positive and negative ends of a direct-current bus of a converter and a generator rotor through a circuit breaker. The invention further discloses a control method for the low-voltage ride-through circuit of the doubly-fed wind generator set. The crowbar circuit is selectively triggered according to the amount of the excess energy on the rotor side. By the mode of selectively cutting in and cutting off the crowbar circuit according to the amount of the excess energy on the rotor side, the operation stability of a power generation system is effectively improved; the transient process caused by investment on the crowbar circuit is reduced on the basis of stabilizing the bus voltage of the converter; the power generation system is prevented from being impacted by over-high energy; a generator side converter and a rotor winding are prevented from being damaged; and a reactive support is provided for a power network as much as possible.

The invention relates to a multi-loop direct-current emergency power modulation system and a multi-loop direct-current emergency power modulation method based on a PMU (power management unit). The modulation system comprises a sensor, a PMU device, a GPS (global positioning system), a control main station and a signal transmitter, wherein the PMU device is connected with a convertor station through the sensor, the control main station is respectively in communication connection with the PMU device and the signal transmitter, the GPS is connected with the PMU device, and the signal transmitter is connected with the convertor station. The modulation method comprises the following steps of adopting the PMU device to sample each convertor station in real time, calculating a voltage phasor value and corresponding power, outputting the phasor data, and transmitting the phasor data with a time scale to the control main station according to a clock signal of the GPS; and adopting the control main station to calculate a modulation power control signal of each loop of direct-current power transmission system, and modulating the power of each convertor station according to the modulation power control signal. Compared with the prior art, the modulation system and the modulation method have the advantages that the operation stability of a power system can be improved, and the modulation effect is good.

The invention relates to a dual computer hot-standby switcher comprising a switching signal processing module, an HV synchronous drive module, a display signal switching module and an operation unit switching module, wherein the switching signal processing module is used for realizing master control: controlling the display signal switching module to connect a display and a switched host, controlling the HV synchronous drive module to drive a switched display signal to be synchronous with the output phase of the switched host, and controlling the operating unit switching module to enable the switched host to be connected with an operating device, thereby achieving the goal of dual computer switching. The dual computer hot-standby switching method ensures that when one computer on which anSTC attendant program is running goes worng, another computer can continue to carry out seamless running in time, thereby greatly improving the running stability of the STC attendant program so as toensure the traveling safety of trains.

The invention discloses a solar type road traffic light device which comprises an upper machine body and a lower machine body. The upper machine body is composed of a lamp body assembly and an upper lifting part fixed to the bottom of the lamp body assembly, wherein a first cavity extending downwards is formed in the upper lifting part, a first sleeve extending downwards is arranged in the middle position of the top in the first cavity, and a first internal threaded cavity is formed in the first sleeve; the lower machine body is composed of a second sleeve which extends upwards and extends into the first cavity and a movable base arranged at the bottom of the second sleeve, wherein first slide grooves are symmetrically formed in the left side outer wall and the right side outer wall of the second sleeve, a second cavity which is in slide fit connection with the first sleeve is formed in the second sleeve, and guide slide blocks which extend into the first slide grooves and are in slide fit connection with the first slide grooves are symmetrically arranged at the bottoms of inner walls of two sides of the first cavity. The solar type road traffic light device disclosed by the invention has a simple structure and a qualified design, is convenient to operate, saves energy, achieves environmental friendliness, automatically controls lifting and stable supporting and is convenient to carry and transport.

The invention discloses an internal combustion locomotive main generator excitation control device comprising a power supply module, a first signal acquisition module used for acquiring voltage and current signals, a second signal acquisition module used for acquiring a frequency signal, an excitation current acquisition control module used for acquiring an excitation current signal of an internal combustion locomotive main generator and automatically adjusting the excitation current signal value of the internal combustion locomotive main generator, a switching input and output module used for detecting the current running mode of the internal combustion locomotive main generator and acquiring a corresponding switching signal, and a main control unit used for getting the current excitation control sampling data of the internal combustion locomotive main generator based on the voltage and current signals, the frequency signal and the excitation current signal and making the excitation current acquisition control module automatically adjust the excitation current signal value to achieve predetermined target excitation control data based on the current running mode and the excitation control sampling data of the internal combustion locomotive main generator. The device is of high system reliability, the signal at the output end is stable, and the fault protection function is perfect.

A research method of a plant diversity configuration scheme of a constructed wetland in Northeast wetland relates to environmental engineering constructed wetland living sewage treatment technology. The research method aims at the problems of dispersed pollution sources, unideal winter low temperature treatment effect and the like of sewage treatment in northern small towns in China, by the use of constructed wetland treatment technology, investment management fees can be effectively reduced, but application prospects of constructed wetlands in Northeast area in China are limited by single plant planting specie, poor low temperature ecological stability and the like. By survey of plant ecotype, habitat water level characteristic, community dominant position and other factors of plants in Northeast area, a combination of a natural type of domesticated natural aquatic plants is introduced, a plant configuration scheme suitable for application in north is determined, the constructed wetland in the plant configuration scheme has the advantages of good purifying effect, high ecological stability, large pollution load bearing capacity, and the like, and has some landscape effects.

The invention relates to a blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device and a recycling method. The blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device comprises a blast furnace roof charging tank, a raw coke oven gas relief valve C connected with the blast furnace roof charging tank through a raw coke oven gas output pipeline, a bag-type dust remover, a low-pressure clean coal gas pipe net connected with an exhaust port of the bag-type dust remover, an ash valve arranged at the lower portion of the bag-type dust remover, and a low-pressure clean coal gas stop valve arranged on the low-pressure clean coal gas pipe net. The blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device is characterized in that a raw coke oven gas breathing recycling device is arranged on the raw coke oven gas output pipeline of the raw coke oven gas relief valve C and the bag-type dust remover 7. By adoption of the blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device and the recycling method, the beneficial effects that total recycling, zero pollution, zero emission and zero noise are really achieved; resources are effectively recycled, the environment is improved, and good social and economic benefits are achieved are achieved.

The invention discloses a neon-light electronic transformer belonging to the technical field of electronic transformers. The neon-light electronic transformer is technologically characterized by comprising a power supply input circuit, a self-oscillation oscillation circuit and an output coil L4, wherein the self-oscillation oscillation circuit comprises current bias resistors R2 and R2', feedback coils L1 and L2, a secondary coil L3, capacitors C1 and C1' and current-limiting resistors R1 and R1', wherein the feedback coils L1 and L2, the secondary coil L3 and the output coil L4 are wound onthe same magnetic core; one end of the current bias resistor R2 and one end of the current bias resistor R2' are respectively connected with collectors of two triodes T1 and T2, and the other end of the current bias resistor R2 and the other end of the current bias resistor R2' are respectively connected in parallel with a series circuit formed by the feedback capacitor C1, the feedback coil L1, the capacitor C1' and the feedback coil L2 are connected with bases of the triodes T1 and T2; and the current-limiting resistors R1 and R1' are respectively connected in series between the feedback coil L1 and the feedback capacity C1 and between the feedback coil L2 and the capacitor C1'. The neon-light electronic transformer is characterized in that the output coil L4 has a turn number from 3200 turns to 6500 turns, the capacitors C1 and C1' have the capacity of 0.33 microfarad to 2.2 microfarad, and the current-limiting resistors R1 and R1' have the resistance values of 1 ohm to 4.7 ohms. The invention has the advantages of simple structure, safety, reliability and long service life and is used for neon-light illumination and power supply.

The invention discloses a transformer with a self-protection function. The transformer comprises a bottom plate, supporting columns, an iron core assembly and a controller, wherein the lower part of the bottom plate is provided with a fixed base, the lower part of the fixed base is provided with a buffer plate, the buffer plate is fixedly connected with the bottom plate by means of the fixed base,the supporting columns are arranged on both sides of the bottom plate, a bracket is arranged on the upper part of the supporting columns, the bracket is fixedly connected with the supporting columnsby means of bolts, a rain shelter is arranged at the upper part of the bracket, the inner sides of the supporting columns are provided with insulating plates, the insulating plates are fixedly connected with the bottom plate by means of bolts, the iron core assembly is arranged at the inner sides of the insulating plates, and a relay is arranged at the upper part of the iron core assembly. According to the transformer with the self-protection function, a temperature and humidity sensor and a vibration sensor transmit monitoring signals to the controller, the controller compares the monitoringsignals with normal values, and the controller drives the relay to operate and drives a circuit breaking protector to switch off when the monitoring signals exceeds the normal values, so that a transformer stops operating, thereby being capable of effectively protecting the transformer.

The invention discloses an automatic winding device used for producing non-woven fabrics. The automatic winding device is provided with a rack and a reel. The rack is provided with the reel. The reel is located at the middle position of the rack. A motor is arranged on the rear side of the rack. The motor drives the reel to move. The motor is provided with a conveyor belt. A synchronizing shaft is arranged beside the reel, and the synchronizing shaft and the conveyor belt are connected with each other. The rack is provided with the synchronizing shaft, so that operational stability of the winding device is improved, and the winding effect of the winding device is also improved. In addition, a cutter is arranged behind the reel, the non-woven fabrics can be cut directly, artificial cutting of the non-woven fabrics is needless, and therefore production efficiency of the non-woven fabrics is improved.

The invention belongs to the electrical field, and particularly relates to an intelligent power grid information system, which can acquire information timely. The intelligent power grid information system comprises an energy part, a transmission part, a transformation part, an intelligent scheduling part, a distribution part and a power utilization part, and is characterized in that the energy part comprises thermal power, hydropower and new energies; the energy part transmits electric energy to the transformation part via the transmission part; the transformation part regulates current and voltage, under effects of the intelligent scheduling part, and the current and the voltage are transmitted to the power utilization part via the distribution part.

The invention relates to a cutting machine stable in material conveying. The cutting machine stable in material conveying comprises a working platform, a conveying belt and a driving part, wherein the conveying belt and the driving part are fixed onto the working platform; the driving part is arranged below the conveying belt; the driving part comprises a driving motor, a first fixing frame, a driving roller and two tension rollers; the first fixing frame is fixed onto the working platform; the driving motor is fixed to one side of the first fixing frame; the driving roller is fixed to a rotating shaft of the driving motor; the two tension rollers are arranged on the two sides of the driving roller respectively; a plurality of air spraying openings are formed in the two tension rollers respectively; and through the arranged tension rollers and the multiple air spraying openings formed in the tension rollers, after the conveying belt extrudes the tension rollers, the air spraying openings can blow off chippings adhered onto the conveying belt, so that the running stability of the conveying belt is improved, and the service life of the conveying belt is prolonged.

The invention belongs to the technical field of air conditioner control, and discloses a defrosting control method, a defrosting control device, an air conditioner and computer equipment. The air conditioner heats continuously by rising the setting temperature. On the premise of maintaining the indoor temperature set by a user unchanged, the heat additionally absorbed from the outside through a refrigerant system in a heating mode is used for defrosting a frosted part of a heat exchanger in a centralized mode through a defrosting pipeline. The air flow of a defrosting pipe is subjected to closed-loop control through a valve, so that indoor temperature fluctuation is reduced to the minimum. According to the invention, the running states of an inner fan and an outer fan of the air conditioner can be maintained without switching refrigerating/heating modes, and the purpose of defrosting is achieved without shutdown. The service life of a four-way valve is prolonged, the operation stability of the air conditioner is improved, and the air conditioner comfort is not affected. The inner fan and the outer fan are defrosted without shutdown, the indoor temperature is not changed, and the comfort of the air conditioner is guaranteed to the maximum extent. Different from a traditional defrosting mode, the four-way valve does not need to the reversed frequently, so that the service life ofthe four-way valve is prolonged.

The invention disclose a mixed ventilation direct air-cooling system which is vertically arranged outside an air-cooling condenser tower and belongs to the field of power station cooling systems. The mixed ventilation direct air-cooling system comprises a hyperbolic air-cooling tower, air-cooling condenser units and axial flow fans; the air-cooling condenser units and the axial flow fans are vertically and circumferentially arranged at an air inlet of the air-cooling tower; finned tube bundle structures of the air-cooling condenser units are divided into 6-8 cooling fan sections that are vertically and circumferentially arranged on a tower bottom base station; each air-cooling condenser unit comprises two groups of radiating finned tube bundles; and louvers are arranged at air inlets of the air-cooling condenser units. The mixed ventilation direct air-cooling system is insensitive to the wind direction, so that the stability of generator operation can be improved. Air is driven by a mechanical ventilation mode, and pumping action on the air by the air-cooling tower is used fully, so that supply air rates of the air-cooling condenser units are increased to a great extent, the cooling capacity of air-cooling condensers in a summer can be improved substantially, the cooling effect is good, the economy is high, the external factor influence is little, and the environmental suitability and the operational control flexibility of the mixed ventilation direct air-cooling system are improved.

The invention relates to a reconstituted tobacco coating quantity on-line detection control system and a control method of the system. The reconstituted tobacco coating quantity on-line detection control system comprises a before-coating scanning rack (1) and an after-coating scanning rack (2) as well as a control cabinet (3) thereof, a vehicle speed signal sensor (6), a paper breaking signal sensor (7), a QCS operating station (4) and a server (5), wherein the before-coating scanning rack (1) and the after-coating scanning rack (2) as well as the control cabinet (3) thereof are arranged on a reconstituted tobacco slice base conveying paper machine; the QCS operating station (4) is in information connection with the before-coating scanning rack and the after-coating scanning rack; the server (5) performs information interaction with the control cabinet, the QCS operating station, the vehicle signal sensor and the paper breaking signal sensor; the before-coating slice base absolute dry quantity and the after-coating reconstituted tobacco absolute dry quantity are detected by the before-coating scanning rack and the after-coating scanning rack, the coating quantity is calculated and the reconstituted tobacco coating quantity is subjected to on-line detection control. According to the reconstituted tobacco coating quantity on-line detection control system and the control method, the instant change condition of the coating quantity can be reflected in real time and is automatically adjusted and controlled timely, the manual sampling frequency can be greatly reduced, the operating stability of the coating system is improved, and the detection precision is improved, so that the quality stability of the reconstituted tobacco is improved.

The invention provides a flexible gradient surface treatment method of a post insulator for an extra-high voltage direct current GIL. A PVA/CCTO material film is electrospun on the surface of an epoxyresin substrate through an electrostatic spinning method, a deposition layer with conductivity in two-dimensional gradient distribution is formed on the surface of the post insulator, and the purposes of regulating and controlling distribution of a direct-current electric field on the surface of the post insulator and improving the electrical resistance of the insulator are achieved. According tothe invention, the epoxy resin post insulator with two-dimensional conductivity gradient distribution is constructed by controlling the electrospinning position and the spinning time, so that the electric field distribution condition of the surface of the post insulator under the alternating voltage is flexibly regulated and controlled, the surface flashover voltage of the post insulator in GIL equipment is improved, and the electrical resistance of the post insulator is improved.

The invention discloses bridge hoisting equipment. The bridge hoisting equipment comprises a rope take-up base body composed of a first base body and a second base body. An inner cavity arranged in a left-and-right extending manner is formed in the first base body. A first slip groove is formed in the right side of the inner cavity. A slip block connected in a slip fit manner is arranged in the first slip groove. A pin shaft sleeve is arranged on the left side face of the slip block in the inner cavity. A pushing rod arranged in a leftward extending manner is rotationally connected in the pin shaft sleeve. A pin shaft sleeve is arranged at the tail of the left side of the pushing rod and is internally provided with a curved pin shaft. The front side of the curved pin shaft is rotationally connected with the inner wall of the front side of the inner cavity. The rear side of the curved pin shaft is connected with a rope take-up electric rotating machine in a matched manner. The rope take-up electric rotating machine is arranged in the inner wall of the rear side of the inner cavity and is fixedly connected. A second slip groove arranged in a front-and-back extending manner is formed in the left side face of the second base body. A second slip block is arranged in the second slip groove. The bridge hoisting equipment is simple in structure, fast mounting and demounting can be achieved, the replacement speed of a rope winding drum can be increased, and uniform rope take-up work can be achieved.

The invention aims to develop an efficient sewage deep treatment system according to the characteristics of secondary effluent quality of municipal wastewater to reduce pollution of sewage to the environment, increase the circulation utilization rate of water and create better environmental benefits, social benefits and economic benefits. According to an integrated ozone coupled ceramic membrane type MBR (membrane bioreactor) and treatment process, the system comprises an ozonization reaction zone (1), an anoxic reaction zone (2), an anaerobic reaction zone (3), aerobic ceramic membrane type MBRs (4), a backwashing water tank (5), a ceramic membrane assembly (6), a water inlet pump (7), an ozone generator (8), an oxygen bottle (9), a sludge reflux pump (10), an effluent pump (11), an air blower (12), gas flowmeters (13), water check valves (14), an electromagnetic valve (15), a tail gas treatment device (16), an inner reflux pump (17), a time controller (18), a sand core filter plate (19), a flowmeter (20), an electromagnetic valve (21) and a time controller (22). The reaction device and process mainly comprises an ozonization process, an anoxic-anaerobic-aerobic biological treatment process and a membrane filtration process. Ozonization is coupled with biological treatment and membrane filtration for treatment of secondary effluent of municipal wastewater, and macromolecular organic components, nitrogen, phosphorus and other pollutants which are difficult to degrade are effectively removed.

The invention discloses an automobile-mounted cigarette lighter with a protection device. When bimetallic strips of existing cigarette lighters can not be popped, motormeters are burnt out due to too high temperatures. A return spring sleeves a guide positioning pipe which sleeves a connection bar, the tail portion of the connection bar and a draw button are fixed, one end of a resistance wire is embedded into a kerf of the head portion of the connection bar, the other end of the resistance wire is fixed on the inner wall of a resistance seat, a bimetallic strip is embedded into a groove in the top of a porcelain seat, the bottom of the porcelain seat is embedded into the inner wall of the bottom of a casing, the bottom of a conductive spring is snapped into the porcelain seat, the resistance seat is arranged at the top of the bimetallic strip, a box body of a thermal insulation box is arranged at the bottom of the casing, the top of a plastic seat is embedded into a base cover of the thermal insulation box, the top of a lug plate is embedded into the top of the plastic seat, a wire holder is arranged at the bottom of the lug plate, and a clamp nut compresses the wire holder. According to the automobile-mounted cigarette lighter with the protection device, when the bimetallic strip can not pop up the resistance seat, a circuit module forcibly turns off a circuit to guarantee safety of the cigarette lighter and motormeters.

The invention provides a stator assembly, a magnetic suspension bearing and a compressor. The stator assembly comprises a stator iron core (1) and frameworks (2), the stator iron core (1) comprises stator teeth (3) and stator grooves (4), the stator frameworks (2) comprise insulation yoke parts (5) and insulation tooth parts (6), the insulation yoke parts (5) are connected with the insulation tooth parts (6), the insulation tooth parts (6) wrap the stator teeth (3), the insulation tooth parts (6) comprise tooth grooves for installing the stator teeth (3), and at least one stator framework (2) is provided with a first cooling flow channel (7). An inlet flow channel (8) is arranged at the end, far away from the first cooling flow channel (7), of each stator framework (2), wherein the inlet flow channel (8) is communicated with the first cooling flow channel (7), and the first cooling flow channel (7) is communicated to a central hole of the stator iron core (1). According to the stator assembly, a rotor of the magnetic suspension bearing can be effectively cooled, and the operation reliability of the magnetic suspension bearing is improved.

The invention discloses a cutting device and a sealing system comprising the cutting device. The cutting device comprises a rotating mechanism, a feeding mechanism and a cutting mechanism, the rotating mechanism comprises a transmission supporting assembly and a rotation driving assembly, the rotation driving assembly is arranged outside a sealing box body and used for driving the transmission supporting assembly to rotate, the transmission supporting assembly is arranged in the sealing box body and used for supporting a cut object and driving the cut object to rotate under the driving of the rotation driving assembly, the cutting mechanism is arranged in the sealing box body and used for cutting the cut object, the feeding mechanism comprises a feeding assembly and a feeding driving assembly, the feeding assembly is arranged in the sealing box body, connected with the cutting mechanism and used for driving the cutting mechanism to move towards the cut object, and the feeding driving assembly is arranged outside the sealing box body, connected with the feeding assembly and used for providing power for the feeding assembly. The cutting device does not pollute the sealing box body during cutting.

The invention discloses a novel cable network erecting device which comprises a traveling vehicle, a sliding connecting frame mounted at the top of the traveling vehicle in a sliding-connecting-fit mode, and a height adjusting machine fixed to the top of the sliding connecting frame. A first guiding connecting groove is formed in the top face of the traveling vehicle, and a first threaded rod arranged in a left-right extending mode is arranged in the first guiding connecting groove. The extending tail end of the left side of the first threaded rod is connected with a first driver in a matchedmode, and the outer surface of the first driver is arranged inside the inner wall of the left side of the first guiding connecting groove. The extending tail end of the right side of the first threaded rod is matched with the inner wall of the right side of the first guiding connecting groove in an adapted mode, and a first guiding connecting block in thread-fit connection with the first threadedrod is connected into the first guiding connecting groove in a sliding-connecting-fit mode. The tail end of the top of the first guiding connecting block is fixedly connected with the bottom face of asliding-connecting frame in a matched mode, and a first adapting shaft arranged in a left-right extending mode is arranged in the position, on the left side of the first driver, of the traveling vehicle in an adapted mode. According to the novel cable network erecting device, the structure is simple, operation is convenient, and the operating stability, the working efficiency and the tamping efficiency during tamping construction of the device are improved.

An LPP-EUV light source system based on a collosol jet target comprises a collosol generating apparatus, a collosol jetting and cycling apparatus, an LPP-EUV generating apparatus and a pump laser source. Firstly, the collosol generating apparatus generates collosol, and then, the collosol jet target is formed in the LPP-EUV generating apparatus by using the collosol cyclic jetting apparatus. The pump laser source outputs pump laser which acts on the collosol jet target after entering the LPP-EUV generating apparatus. The present invention enhances the reliability and stability of the LPP-EUV light source based on the collosol jet target and ensures the efficient and stable operation of an EUV lithography system.

The invention relates to a sliding measuring device used for an automobile front cover assembly, which includes a sliding assembly and a measuring assembly that can slide along the sliding assembly, and the measuring assembly includes a sliding bottom plate and a reference adjustment measurement module and a reference The fixed pin and the reference fixed block, when the sliding base plate slides to the set position, the reference fixed pin passes through the sliding base plate and is connected with the reference fixed block to lock the sliding base plate. Compared with the prior art, the present invention has the advantages of high stable operation, convenient maintenance, accurate measurement and the like.

The invention discloses a method for correcting zero drift of an ultrasonic transducer, which comprises the following steps of: S1, monitoring the ultrasonic transducer through a data acquisition module, and sending operation environment data generated in an operation process to a cloud processing platform in a wireless transmission mode; according to the invention, the data acquisition module and the cloud server are arranged to convert the operation detection data into the operation model of the ultrasonic transducer, and then the calculation system predicts the processed operation model of the ultrasonic transducer, so that the operation stability of the ultrasonic transducer can be improved; a scientific zero drift prediction and correction system is formed, the system is more suitable for intelligent operation and use of the ultrasonic transducer, and the problems that an existing ultrasonic transducer does not have the effect of automatically correcting the zero drift value, manual measurement and correction are needed, the operation efficiency of the ultrasonic transducer is seriously affected, and the working efficiency of the ultrasonic transducer is affected are solved. And meanwhile, accurate measurement and correction cannot be carried out.

The invention discloses a wireless charging overall performance coordination control method based on an SS topological coupling mechanism, and relates to the technical field of wireless charging. Themethod include the steps of calculating the voltage ratio range of a high-low-voltage side of a vehicle side BOOST circuit, recording worker movement parameters of a charging system, wireless transmitting real-time electricity information, sampling the current of a high-frequency inverter and the direct voltage of a PFC converter, and setting a current instruction of the high-frequency inverter and the direct voltage instruction of the PFC converter. The requirement for the wireless communication rate of a car ground side is low, no hardware module needs to be added, the method is simple and easy to implement, and the operation stability of the charging system is improved. When the voltage width range of a battery changes, the coordination control over working points in all links is realized through the ground side, and the whole charging system stably operates in the rated range.

The invention provides a power and water utilization monitoring and informatization management method for a thermal power plant. The method comprises the following steps of S1, collecting water-related data; S2, extracting pipeline water pressure data in the water-related data, and judging the stability of a corresponding pipeline according to the pipeline water pressure data; and S3, when the pipeline is in an unstable state, safety early warning information for the corresponding pipeline being sent out. According to the method, the collected water-related data is used for judging stability of the pipeline, management personnel can be informed in time when the pipeline is in an unstable state, the management personnel are helped to find fault problems in time, and meanwhile the data can serve as reference data of a fault diagnosis system to improve fault diagnosis accuracy of the fault diagnosis system.

The invention discloses a flexible road slope tamping device, which comprises a carriage body, a slidable carrier slidably fitted on the top of the carriage body, and a lifter body fixed on the top ofthe slidable carrier, a first guide way is arranged in the top surface of the carriage body, a first threaded rod which extends to the left and the right is arranged in the first guide way, the leftextended end of the first threaded rod is connected to a first motor, the outer surface of the first motor is embedded in the inner wall of the left side of the first guide way, the right extended endof the first threaded rod is rotatably connected to the inner wall of the right side of the first guide way, a first guide block which is in threaded connection with the first threaded rod is slidably connected into the first guide way, the top end of the first guide block is fixedly connected to the bottom surface of the slidable carrier, and a first rotary shaft which extends to the left and the right is rotatably connected into the carriage body on the left of the first motor. The flexible road slope tamping device has a simple structure, and is convenient to operate, the operating stability and working efficiency of the device are increased, and tamping quality is increased during damping construction.