89results about How to "Reduce one-time input costs" patented technology

The invention discloses a system for monitoring atmospheric particulates by utilizing social vehicles, and belongs to the technical field of environment monitoring. The system comprises vehicle-mounted monitoring equipment and a monitoring center, wherein the vehicle-mounted monitoring equipment is mounted on the social vehicle and is connected with the monitoring center through wireless transmission; the vehicle-mounted monitoring equipment comprises particulate monitoring equipment, a particulate monitoring sensor, a positioning module and a communication module; the particulate monitoring sensor is mounted on the particulate monitoring equipment; the particulate monitoring equipment is mounted on an outer part of the vehicle-mounted monitoring equipment; the positioning module is used for positioning vehicles; the communication module is used for connecting the vehicle-mounted monitoring equipment and the monitoring center. According to the device, real-time measurement is carried out by utilizing social vehicles, such as metro buses, long-distance cars, taxis and muck trucks, carrying the particulate sensor, so that the costs for measurement, including measurement cost, and energy consumption cost, road occupation cost and labor cost caused by special vehicles, are greatly reduced.

The invention discloses a parking space detection method for an autonomous vehicle, which comprises the steps of firstly establishing a parking scene local point cloud map, then screening a parking available area, extracting ground point cloud in the parking available area, converting the ground point cloud into an intensity picture, then operating a parking space mark line detection algorithm inthe intensity picture, and finally calculating and outputting relative coordinates of a parking space relative to a vehicle body. The parking space detection method of the invention has the beneficialeffects that: the parking space detection method is not influenced by the change of illumination conditions, and can still work normally under the condition of weak light; the whole algorithm has small computation amount, can run on an ARM processor with low power consumption and low cost in real time, and the whole system has low cost; meanwhile, reflection intensity information in laser radar data is adopted to detect a parking space mark line, and the output parking space coordinates are based on the parking space mark line in a three-dimensional point cloud space, accuracy and stability are achieved.

The invention discloses an accurate butt-joint device for automatic clamping of a pipeline and a movable butt-joint device. The accurate butt-joint device comprises a rack, a clamping mechanism, a pipeline joint moving mechanism and a pipeline joint head, wherein the clamping mechanism and the pipeline joint moving mechanism are arranged on the rack; the clamping mechanism is positioned and a moving pipeline butt-joint at the moving end is clamped; the pipeline joint moving mechanism drives the pipeline butt-joint head to horizontally move relative to the pipeline. The movable butt-joint device comprises a movable pipeline butt-joint, a positioning spring, a movable plate, a universal ball, an elastic component and a base, wherein the clamping mechanism is positioned and clamped after the movable pipeline butt-joint is in position, a pipeline butt-joint is pushed by a pushing mechanism and is connected with the movable pipeline butt-joint; and the movable pipeline butt-joint is driven by a movable plate to move to a correct position under the common function of the clamping mechanism and an elastic component when the movable pipeline butt-joint is positioned. The accurate butt-joint device has the advantages of high positioning accuracy and reliability, simple structure, low cost and easiness for maintenance.

The invention discloses a method for removing organic pollutants in water by utilizing iron ions to catalyze hydroxylamine and hydrogen peroxide to react. The method is characterized by comprising the following steps: (1) adjusting the pH (Potential of Hydrogen) of a water body to be treated to be 2 to 6 through utilizing a pH regulator; (2) adding the hydroxylamine, the hydrogen peroxide and ferrous ions and / or the iron ions into the water body treated by the step (1); stirring and reacting at water temperature of 0 to 35 DEG C for 10min to 60min. According to the method disclosed by the invention, extra aeration, heating, ultraviolet radiation, microwave radiation, ultrasonic cavitation and an additional electromagnetic field do not need to be carried out; only less ferrous and / or iron ions are added so that a hydroxylamine / hydrogen peroxide system is extremely promoted to generate free radicals for degrading the organic pollutants in the water.

The invention relates to a low-rise super-long stroke intelligent control winding type pulling oil production system. The low-rise super-long stroke intelligent control winding type pulling oil production system comprises a power drive assembly, a control assembly, a derrick assembly, a well mouth device, an underground tubular column and an underground multi-stage plunger super-long stroke oil well pump. A flexible oil pumping rope driven by the power drive assembly sequentially passes through a blowout prevention box of the well mouth device, an eccentric well mouth and the underground tubular column and is then connected with a steel wire rope in the tubular column or an oil pumping rod through a hoop, and therefore a full-well oil pumping rope is formed. The steel wire rope or the oil pumping rod is connected with the multi-stage plunger of the oil well pump. A fixed pulley assembly and a sliding and swinging device are arranged on the derrick assembly. The well mouth device is connected with the tubular column. The tubular column is connected with a super-long pump cylinder of the underground multi-stage plunger super-long stroke oil well pump. The low-rise super-long stroke intelligent control winding type pulling oil production system can overcome the defects that the stroke of a beam-pumping unit is limited, the beam-pumping unit is not suitable for low-yield oil wells, deep wells and gas-contained large wells, and can solve the problems that according to an existing winding type pulling oil production device, due to the full-well running mode, the size and the weight of the complete machine are large, material consumption is high, and transportation is not convenient.

The invention discloses a marine exhaust gas after-treatment method. Exhaust gas generated by ships is introduced into a desulfurization and denitrification unified tower, absorbing desulfurization is conducted on the lower portion of the tower by means of sodium hydroxide solution, complexing denitrification can be achieved with complexing liquid on the upper portion of the tower, and exhaust gas up to standard after desulfurization and denitrification treatment is heated and then discharged out of a chimney; the complexing liquid after NO complexing is heated so that NO can be extracted; No extracted through heating is oxidized to be NO2 through catalytic oxidation or plasma oxidization, and then absorbed by sodium hydroxide solution or sodium sulfite solution. When ship usage meets the requirement for low-sulfur oil according to IMO convention, desulfurization is not needed, sodium alkali desulfurization section spraying liquid is changed to be seawater, and exhaust gas is cooled to prevent the temperature of a tower body from becoming too high. When ships sail in an area which does not need denitrification, a denitrification section complexing liquid sprinkling system is closed, and exhaust gas is heated and then directly discharged out of the chimney. In this way, separation and enrichment of NOX from exhaust gas is achieved, the concentration of NOx is improved, and the conversion rate of catalytic oxidation and plasma oxidization is increased.

The invention discloses a method for preparing a substitute natural gas from synthesis gas or coke oven gas by methanation reaction. In the method, the substitute natural gas in which the molar percentage of methane is more than 93% is obtained by the methanation reaction in a fixed bed reactor containing a methanation catalyst on the conditions that the reaction temperature is 250-750 DEG C, the reaction pressure is 0.1-6.0 Mpa and the total airspeed of feed gas is 500-50000h<-1>, wherein the feed gas can be synthesis gas or coke oven gas. Compared with the existing process, the method disclosed by the invention can be carried out at a higher airspeed, thus a higher methane space-time yield can be obtained.

The invention provides a food waste and kitchen garbage pretreatment method. The method includes the steps that food waste and kitchen garbage are collected; and an extruding and bag breaking device is used to perform extruding and bag breaking, flattening, mashing and pounding, metal is separated out, and plastics, food boxes and wooden chopsticks of oversize products after bag breaking enter a harmless disposal system. Sieve residues after being extruded fall into a hot water rotational flow separation system, and are separated in high temperature water with the temperature being 60 DEG C orabove, and after being completely washed by rotational flow waste water, heavy substances are squeezed and subjected to water draining to be discharged; and oil residue water in hot water rotationalflow separation is brought into a squeezing and filtering separation system by circulating hot water, and is further subjected to squeezing separation to form solid residues and oil water; and filtered waste water cyclically flows back to the hot water rotational flow separation system. The food waste and the kitchen garbage can be treated at the same time, so that the equipment one-time input cost can be saved, and flexible material bodies such as plastic bags and plastic food boxes are not damaged. Three-phase separation of light and heavy substances and oil water is performed in a hot waterrotational flow manner, so that perishable organic matter and grease can be sufficiently recycled.

The invention discloses a network control system of a large road maintenance machine. The system comprises 1-n bottom modules, 1-t network modules and 1-m display modules, wherein the modules are interconnected through a field bus network; each bottom module comprises a power module, a pulse recognition module, a main digital input module, a gateway module, a main analog input module and a main digital output module which form a communication backbone network as well as a digital input extension module, an analog input extension module and a digital output extension module which form a communication I / O subnetwork. The communication I / O subnetwork is extended by any one or more of the main digital input module, the gateway module, the main analog input module and the main digital output module. The technical problems that the cost of extended input and output points of existing systems is higher, secondary construction of the system network structure is complicated and the cost performance of hardware is low can be solved.

A process for increasing the stirring strengthen of quenching medium belongs to the metal material heat treatment field. The invention stirs the quenching medium through the combination method of the mechanical stirring and compressed air jet, and the mechanical stirring and compressed air jet are conducted simultaneously, or be conducted in the order of the mechanical stirring and compressed air jet, wherein the mechanical stirring realizes the motion of quenching medium under the set speed, forces medium to flow along the fixed route, and provides new medium for the quenching region, and the compressed air jet accelerates the flowing medium and increases the vibration speed thereof, thereby realizing the purpose of eliminating in advance or thinning steam blanket which is formed on the surface of metal. The process solves the problems of weak flow speed and impact through stirring medium merely by the mechanical stirring, simultaneously weakens the problem of uneven heat conductivity existing in the mere compressed air stirring.

The invention discloses an external scaffold wall connecting structure and a construction method. A cantilever steel beam is fixed through bolts pre-buried in a concrete outer wall, and additionally,a basket pull rod is additionally arranged to provide lifting pull force for the cantilever steel beam. According to the external scaffold wall connecting structure, the cantilever beam does not needto stretch into a building to be fixed and is directly fixed to the outer side of the building outer wall, and the interior of the building is not affected; and after construction is completed and thecantilever beam needs to be dismounted, fire cutting is not needed, building and brushing are not needed, and the hidden danger of water seepage and leakage of a floor or a wall face is avoided.

This invention relates to a solar energy water heater, especially to an anti-freezing device of a solar energy water heater used in icing regions in winter and cold regions including a central control circuit, a temperature sensor, a water level sensor, a photosensitive sensor, a switch, a water pump, an electric controlled valve and a display circuit, in which, the temperature sensor, the water level sensor, the photosensitive sensor and the switch are connected to the central control circuit via cables, the central control circuit is connected to the water pump, the electric controlled valve and the control panel.

The invention discloses an intelligent heart rate locating and monitoring wristwatch with an external power supply, which is composed of a face cover with a conductive wristband and a clamping lock, an external battery and a sealed waterproof electronic monitoring terminal. The electronic monitoring terminal has the external battery and an internal maintenance battery. Each monitored object is only equipped with an electronic monitoring terminal, and, when the external battery is replaced, the electronic monitoring terminal keeps continuous running by the internal maintenance battery; more importantly, electrodes of the battery are totally hidden by the face cover, and the monitored object cannot see and touch the battery electrodes, so that invisible damage of a conductive material used by the monitored object on short circuit discharging of the battery can be avoided; therefore, the intelligent heart rate locating and monitoring wristwatch is particularly suitable for monitoring in forced continuous wearing.

A portable all-dimensional monitoring device for an examination room comprises an all-dimensional visual sensor used for obtaining overall video information in the examination room, a microphone used for obtaining audio information in the examination room, a digital wired or wireless transmission module used for transmitting a video signal and an audio signal in the examination room, a memory card used for saving video data and audio data in the examination room, as well as a microprocessor. The all-dimensional visual sensor is mounted above the middle of the examination room; a camera is connected with the microprocessor through an A / D interface; the microphone is connected with a voice-controlling chip; the microprocessor is connected with the digital wired or wireless transmission module, which is connected with an antenna; the memory interface for the memory card is arranged on the microprocessor; the memory card is inserted in the memory interface for the memory card. The invention can improve usage rate, be applied conveniently and has lower cost.

The invention provides a desorption treatment method and device adopting flue gas for indirect heating, and relates to the technical field of oily pollutant treatment. The method comprises five steps:crushing, thermal washing, thermal desorption, oil-gas treatment and ash slag treatment. A material is crushed firstly, oily pollutants are subjected to anaerobic heating by a thermal desorption device, and the pollutants can be volatilized or separated from a polluted medium; waste oil and waste residue of the device can be used as raw materials by a heating furnace for heat exchange, and the treated oil gas enters a subsequent gas treatment system, and is condensed, filtered and separated; treated ash slag is atomized, condensed and crystallized; a medium circulation pipeline of a condensing separator is provided with a power generator group; the power generator group adopts a high temperature medium for generating electricity, and can provides power to other devices while cooling the medium.

The invention relates to a short intelligent-control hoist type lifting oil extraction system with an ultra long stroke and a working method. The oil extraction system comprises a motor, a winding drum, a fixed pulley, a derrick, a slide and swing device, a control assembly, an oil extraction rope and a down-hole multi-stage plunger ultra long stroke oil well pump; the control assembly controls the motor to start, rotate forwards and backwards and halt for waiting according to set parameters such as the stroke, down-hole liquid pressure, halt waiting time and the like; the winding drum is driven to rotate forwards and backwards and halt, the oil extraction rope on the winding drum drives multi-stage plungers of the down-hole multi-stage plunger ultra long stroke oil well pump to reciprocate at the set stroke in an ultra long pump cylinder, a whole well operation mode that a plunger of a conventional hoist type bailing oil extraction device lifts a well liquid from the well bottom to the well mouth is changed, a non whole well operation mode is realized, the whole unit structure is compact, the size is small, material consumption is reduced, energy is saved, the cost is reduced remarkably, and one-time investment of an oil well can be reduced by almost 40%. The short intelligent-control hoist type lifting oil extraction system with the ultra long stroke is applicable to a deep well, a stripper well and a heavy oil well, and the oil well yield-increasing effect is improved remarkably.

The invention discloses a method for removing refractory (biodegradable) organic matters in industrial wastewater, which comprises the following steps: adding a composite oxidant, a composite solublemetal salt and modified activated carbon with developed mesopores into wastewater, and regulating the pH value of the wastewater to be greater than or equal to 4; and synchronously carrying out in-situ oxidation adsorption treatment and activated carbon adsorption treatment on refractory organic matters in the industrial wastewater. According to the method, the removal efficiency of refractory organic matters in the wastewater is high; and the problem that the activated carbon is blocked by macromolecular organic matters is remarkably reduced, and the adsorption removal of the activated carbonon refractory organic matters is promoted; in-situ oxidation adsorption and activated carbon adsorption are mutually assisted; and the method has the advantages of mild process conditions, easy reaction control, low consumption of the oxidant and the active carbon, short reaction time, and saving of the occupied area of equipment.

The invention relates to the technical field of artificial lift oil recovery methods of oil fields, in particular to a wheel-shaft type energy saving beam-pumping unit. The wheel-shaft type energy saving beam-pumping unit includes a base, a bracket, a horsehead, a walking beam and a driving device, the walking beam includes two straight sections at obtuse angles, the driving device includes a roller, a motor, a frequency conversion control cabinet and an installation seat, the motor directly drives the roller to rotate, one end of a long section walking beam is connected with a wire rope, theother end of the wire rope is wound around the roller, the base is embedded with a cylindrical double guide rail, the lower part of the installation seat is a double sliding sleeve, and the double sliding sleeve sleeves the cylindrical double guide rail and can slide axially relative to the cylindrical double guide rail. Compared with the prior art, the wheel-shaft type energy saving beam-pumpingunit omits a reduction gearbox, a belt, a crank connecting rod mechanism and other parts prone to mechanical failure, the pumping unit sequential input cost, the management cost and the operating costare lowered, and the good energy saving effect is achieved.

The invention discloses a method for removing organic pollutants in water by virtue of a ferrous and ferric ion enhanced hydroxylamine / peroxydisulfate system, and relates to a method for removing the organic pollutants in the water by virtue of an advanced oxidation technology. The method comprises the following steps: regulating the pH value of a water body to be treated to 2 to 6 by virtue of perchloric acid, sodium hydroxide and the like, then adding hydroxylamine, peroxydisulfate and ferrous ions and / or ferric ions into the water body, and performing stirring reaction for 10 to 60 minutes at the water temperature of 0 to 35 DEG C to implement the method for removing the organic pollutants in the water by virtue of the ferrous and ferric ion enhanced hydroxylamine / peroxydisulfate system. Compared with a hydroxylamine / peroxydisulfate system into which no ferrous or ferric ions are added, the method has the advantages that the active free radical generation rate and the organic pollutant removal rate are higher, and the removal rate of the pollutants in the water can be correspondingly increased by 5 to 40 times. The method is applied to the fields of industrial organic wastewater treatment and groundwater and soil organic pollution remediation.

The invention provides a collection and transportation system and a pig house, and relates to the technical field of breeding environments. The collection and transportation system is used for collection and transportation of dung water in the pig house, and comprises a pollutant collecting trough, a pollutant collecting pool, a conveying trough and a driving device, wherein the conveying trough is arranged inside the pollutant collecting trough, penetrates through the pollutant collecting trough in the extending direction of the pollutant collecting trough, is used for collecting dung water inside the pollutant collecting trough, and is connected with the driving device; the driving device is used for driving the conveying trough to move in the extending direction of the pollutant collecting trough, so that the collected dung water is conveyed to the pollutant collecting pool. By means of the collection and transportation system and the pig house, the dung water in the pollutant collecting trough can be more conveniently cleared out of the house in time, it is prevented that pollutants are mixed for a long time and exposed in air, volatilization of ammonia is reduced, the air quality can be improved, and healthy growth of pigs is guaranteed; meanwhile, the arrangement quantity of a ventilation and air changing device is reduced, and the one-time input and operating cost is reduced.

The present invention is applicable to the technical field of power battery casing welding, and provides a laser welding method for a power battery casing, which uses a semiconductor laser for welding. Step 1, determines the size of the focused spot at the weld according to the weld width requirements of the power battery casing. Select the parameters of the fiber core diameter of the semiconductor laser, the focal length of the focusing mirror, and the focal length of the collimating mirror according to the size of the focusing spot; step 2, tilt the laser welding head to keep a certain angle between the laser beam and the surface plane of the power battery casing; step 3, determine the welding The focus position of the focusing mirror and the distance between the focusing mirror and the power battery casing during the process; step 4, determine the laser power and welding speed of the semiconductor laser to weld the power battery casing. By using the semiconductor laser to weld the power battery shell, the weld seam is smooth and uniform, the energy utilization rate of the laser is high, and the welding speed is faster under the same power; it can well reduce the one-time input cost of the production enterprise.

The invention belongs to the field of water treatment, and particularly discloses a method for synchronously removing pollutants in water and controlling the generation of bromine-containing byproducts. The method comprises the following steps: (1) regulating the pH value of to-be-treated water to 2-6, wherein the to-be-treated water contains organic pollutants and bromine; (2) adding an agent A and an agent B into the to-be-treated water obtained in step (1), and then carrying out an aeration stirring reaction at a water temperature of 0-40 DEG C for 10-60 min so as to synchronously remove the organic pollutants in the water and control the generation of bromine-containing byproducts in order to obtain purified water, wherein a molar ratio of the organic matter to the agent A to the agentB is 1:(2.5-50):(5-100). Improvement of the types and proportions of the reagents added into the water effectively solves the technical problem that bromate and brominated byproducts are generated byan advanced oxidation technology.

The invention discloses a preparation method for a crystallizer copper plate coated with a nickel-cobalt-iron alloy layer. The crystallizer copper plate is composed of, by mass, 1%-2% of Ni, 0.05%-0.2% of Be, 0.5%-0.7% of Al, 3.0%-5.0% of Zr, 1.2%-1.4% of Mn, 1%-3% of Mg, 0.8%-1.2% of Cr, 14.0%-16.0% of Zn and the balance Cu. The preparation method comprises the steps that a crystallizer is prepared from copper alloy comprising the components, and a coated layer is electroplated on the surface of the crystallizer. A plating solution adopted by electroplating is composed of 220-240 g / l of nickel sulfate, 17-19 g / l of nickel chloride, 4.5-5.5 g / l of cobalt sulfate, 7.5-8.5 g / l of ferric sulfate, 23-27 g / l of boric acid, 5-7 g / l of potassium sulfate, 30-40 g / l of sodium chloride, 0.2-0.4 g / l of lauryl sodium sulfate and 20-22 ml / L of an additive, and the additive is a solution prepared by adding 10-12 g of sodium gluconate, 33-37 g of ascorbic acid and 22-26 g of dextrin into one liter of water. The conditions for an electroplating process are as follows, the PH value is 2.3-3.5, the electric current density is 3.8-4.2 A / dm<2>, the temperature is 44 DEG C-46 DEG C, and electroplating is conducted till the plating layer thickness reaches 1.3-1.5 mm.

The invention discloses a BOG condensation recycling system for an LNG station. A liquid inlet pipe of an immersed pump (3) is connected with a liquid drain pipe of an LNG storage tank (1) through a pipeline. A liquid drain pipe of the immersed pump (3) is connected with a gas filling machine through a pipeline and further connected with a heat source channel inlet of a BOG condensation recoverer (2) through a pipeline. A heat source channel outlet of the BOG condensation recoverer (2) is connected with a liquid drain pipe of a liquid nitrogen storage device (4) through a pipeline. A cold source channel outlet of the BOG condensation recoverer (2) is connected with a nitrogen blow-down pipe. The invention further discloses a method for recycling BOG. The BOG condensation recycling system and method have the beneficial effects that cost is reduced, zero discharge of BOG in the storage tank is achieved, energy is saved, and pollution to environment is avoided.

The invention relates to a high-efficiency energy-saving and emission-reduction dust remover which is characterized by comprising three structural forms: reinforced concrete structure, steel structure or reinforced concrete structure at the lower part and the steel structure at the upper part; a fog generating bin, dust falling bins and a decontamination pool are arranged in a shell of the dust remover, wherein, the bottoms of the fog generating bin and the dust falling bins form a slope shape and are connected with the decontamination pool; an inlet end of the shell of the dust remover is provided with a flue gas inlet, and an outlet end thereof is provided with a purified gas outlet and a purified gas discharge device; a draught fan is connected with the fog generating bin by the flue gas inlet through a flue gas pipeline, and is provided with 2-8 dust falling bins to form multilevel dust falling. The invention can be applied for dust removal and desulfurization of a heating boiler, a steam boiler and a coal-fired power plant, and is also widely applicable to industrial dust removal in the fields such as chemical engineering, steel, building materials, ceramics, metallurgical mine, etc. The invention has the characteristics of high dust removing efficiency, low energy consumption, maintenance cost and one-time investment, needing no associated facility and a high chimney, etc.

The invention discloses a preparation method for a crystallizer copper plate coated with a nickel-cobalt alloy layer. The crystallizer copper plate is composed of, by mass, 1%-2% of Ni, 0.05%-0.2% of Be, 0.5%-0.7% of Al, 3.0%-5.0% of Zr, 1.2%-1.4% of Mn, 1%-3% of Mg, 0.8%-1.2% of Cr, 14.0%-16.0% of Zn and the balance Cu. The preparation method comprises the steps that a crystallizer is prepared from copper alloy comprising the components, and a coated layer is electroplated on the surface of the crystallizer. A plating solution adopted by electroplating is composed of 220-240 g / l of nickel sulfate, 17-19 g / l of nickel chloride, 5.5-6.5 g / l of cobalt sulfate, 23-27 g / l of boric acid, 5-7 g / l of potassium sulfate, 30-40 g / l of sodium chloride, 0.2-0.4 g / l of lauryl sodium sulfate and 20-22 ml / L of an additive, and the additive is a solution prepared by adding 10-12 g of sodium gluconate, 33-37 g of ascorbic acid and 22-26 g of dextrin into one liter of water. The conditions for an electroplating process are as follows, the PH value is 2.3-3.5, the electric current density is 4-5 A / dm<2>, the temperature is 44 DEG C-46 DEG C, and electroplating is conducted till the plating layer thickness reaches 1.3-1.5 mm.

The invention is applicable to the technical field of engine manufacturing and provides an automatic CNC loading and unloading device. The device comprises a base, an X-axis moving system, a Y-axis moving system, a Z-axis moving system and a driving system; the X-axis moving system is arranged on the base; the Y-axis moving system is arranged on the X-axis moving system; the Z-axis moving system is arranged on the Y-axis moving system; output ends of the driving system are connected with an input end of the X-axis moving system, an input end of the Y-axis moving system and an input end of the Z-axis moving system respectively. With the device, manual operation is effectively replaced, the safety risks in manual push and pull processes are avoided to the maximum extent, the production efficiency is improved, the structure is simple, the equipment manufacturing period is short, and the input cost is reduced.

The invention relates to a power supply driver module for a one-driven-two low-frequency electrodeless lamp, and belongs to the field of the application of lighting products. The power supply driver module consists of a sliding-frequency hopping control circuit, a half-bridge driver circuit, resonant circuits and a protective circuit, wherein the sliding-frequency hopping control circuit outputs two paths of pulse square waves with variable frequency to drive an upper arm and a lower arm of the half-bridge driver circuit; energy outputted by the half-bridge driver circuit is transferred to the two resonant circuits respectively to drive two mutually-independent electrodeless lamp tubes; and the protective circuit transfers error messages of the light tubes to the sliding-frequency hopping control circuit to control the energy output of the half-bridge driver circuit. In the power supply driver module, the two high-power and mutually-independent electrodeless lamp tubes are driven by an electronic ballast, so the illumination of light sources is improved, and the one-time input cost is reduced greatly under the condition of adopting the lamps with the same volume. By adopting the sliding-frequency hopping technology, the lower-temperature starting characteristic of the lamp tubes is improved, and the dependence on the consistency of the electrodeless lamp tubes is reduced.

The invention discloses a large-scale road maintenance machine network control system design method. The method comprises the steps of: enumerating types and numbers of input / output signals of a system according to an applied vehicle model control function; configuring the number of each module in the system according to the types and the numbers of the signals and application of the signals; configuring the number of a power module; configuring the number of a gateway module; distributing a digital input signal, a digital output signal and an analog input signal in the system to the corresponding modules; distributing a meter display signal and an alarming display signal in the system to a display module; writing application programs of the corresponding modules to realize logical relationships of various input / output; writing a top application program of the display module to display a meter signal and an alarming display; and writing a bottom application program of the display module to realize control and diagnosis operations of the corresponding modules. Through adoption of the method provided by the invention, technical problems in an existing method that the input and output point extending cost is higher, secondary construction of a system network architecture is complicated, and the cost performance of hardware is not high, are solved.

The invention provides a gluing device for a lithium battery winding machine. The gluing device for the lithium battery winding machine comprises a gluing device body, a rotating shaft, a bracket anda driving mechanism; the gluing device body comprises a fixing piece, a suction mechanism and at least one suction nozzle; the suction nozzle is arranged on the fixing piece; a suction port is formedat one end, far away from the fixing piece, of the suction nozzle; the suction nozzle is connected and communicated with a gas outlet of the suction mechanism through a hose; the other end of the fixing piece is connected with the middle part of the rotating shaft; the rotating shaft is transversely rotatably arranged on the bracket and is in transmission connection with the driving mechanism; andthe driving mechanism drives the rotating shaft and drives the gluing device body to rotate. The gluing device for the lithium battery winding machine, which is provided by the invention, solves theproblems that winding gluing is uneven and adhesive tape debugging consumes long time, reduces rejection rate and increases battery manufacturing qualification rate.