36results about How to "Avoid stalling" patented technology

This invention provides a cup assembly for a food processor, including a cup body, a cup lid, and a processing component disposed within the cup body. It also includes a gearbox, which comprises a movably disposed clutch output shaft. When the clutch output shaft moves to a first position, it drives the processing component to output a first rotational speed; when the clutch output shaft moves to a second position, it drives the processing component to output a second rotational speed. The cup lid is installed in place, maintaining the clutch output shaft in either the first or second position. Furthermore, a food processor with the aforementioned cup assembly is provided. In the first position, the clutch output shaft outputs a first rotational speed to adapt to multi-functional cooking; in the second position, it outputs a second rotational speed to adapt to another multi-functional cooking method requiring a different speed. By changing the position of the clutch output shaft, the processing component can be replaced and the rotational speed can be automatically switched. Moreover, the output speed range is wide and the torque is high, avoiding stalling caused by high processing resistance.

The invention discloses a load self-adaptive waste gas torch ignition device and a control system, relates to the technical field of torch ignition devices, and is mainly used for coping with combustible waste gas load fluctuation scenes in the industrial production process, realizing stable and efficient combustion of waste gas and avoiding resource waste and environmental pollution. Specific to a gas inlet mode in a high-pressure / low-pressure gas channel, self-adaptive actions are performed according to gas pressure fluctuation, and the actions comprise that a rotary encoder of an action fine adjustment assembly indirectly feeds back gas flow of the low-pressure / high-pressure gas channel by detecting the rotating speed of a transmission rod and combines initial gas pressure, a waste gas pressure change value and gas flow data, so that the gas flow is adjusted. The micro-drive motor is controlled to drive the transmission rod to rotate, the first transfer gas sheet drives the high-pressure gas channel forward / reverse gas sheet to rotate directionally, the overlap ratio of eccentric gas ports of the gas sheets is changed, the higher the overlap ratio is, the smaller the gas flow resistance is, the higher the gas pressure is, and otherwise, the smaller the gas pressure is, precise adjustment of the gas pressure of the high-pressure gas channel is achieved, and waste gas load changes are adapted.

The application provides a hydraulic torque converter control method and device, and belongs to the field of automobile gearbox control. When current vehicle parameters meet preset conditions, especially when the current vehicle speed is within a preset vehicle speed range, the clutch in the hydraulic torque converter is controlled to switch to a sliding friction state, that is, a semi-linked state. In this state, the engine can stop fuel injection, and the engine can also be prevented from stalling due to low wheel speed dragging the engine or the engine losing connection with the wheels. In summary, the engine can continue to be fuel cut on the basis of avoiding engine stall, the fuel cut time is prolonged, and oil consumption is further reduced.

The utility model relates to the field of aircraft technology, concretely relates to a double rotor drive arrangement and cruising helicopter, and double rotor drive arrangement includes first drive module, second drive module and rotor module, first drive module includes first main drive subassembly and first auxiliary drive subassembly, and first main drive subassembly includes first main input shaft and first output shaft of transmission connection, and first auxiliary drive subassembly includes and first auxiliary input shaft of coaxial line with first main input shaft and reverse rotation, and second drive module includes second main drive subassembly and second auxiliary drive subassembly, and second main drive subassembly includes second main input shaft and second output shaft of transmission connection, and second auxiliary drive subassembly includes and second auxiliary input shaft of coaxial line with second main input shaft and reverse rotation, and rotor module includes the first rotor and second rotor of being able to overturn. The utility model can realize reverse torque self -balancing and flight mode conversion simultaneously, thereby simplifying transmission chain and control system, break through traditional speed barrier.

This invention provides an organic substrate preparation device and method suitable for rose cultivation, relating to the field of organic substrate preparation technology. The device includes a telescopic mechanism comprising a bidirectional mechanism and a driving mechanism. The telescopic mechanism provides not only circumferential stirring torque but also vertical mixing torque, thus ensuring thorough mixing of the organic matter in multiple directions. The bidirectional mechanism generates irregular vertical movement in response to circumferential stirring, further enhancing the vertical mixing of the organic matter and achieving multi-dimensional composite stirring. This significantly improves mixing uniformity and fermentation efficiency. The invention utilizes a unique spatial linkage (side rod, inner / outer ball sleeve) and flexible transmission (unidirectional mechanism) design to intelligently decompose the unidirectional rotation of the driving shaft into a superposition of circumferential revolution and axial reciprocating motion of the stirring components (upper / lower stirring sleeves).

The invention discloses an idling start-stop control method based on navigation traffic information, which comprises the following steps: when a vehicle is in a navigation state, a start-stop forbidding judgment module acquires traffic information of an intersection in front of a planned driving path in real time, including a signal lamp state, lamp changing remaining time and a distance to a stop line; when the vehicle approaches the target intersection, combining the vehicle state and the traffic information, and generating a forbidding request signal of the idle start-stop system through judgment logic; the power control execution module executes a final control action for forbidding automatic flameout of the engine based on the forbidding request signal. According to the invention, the problems of unnecessary start and stop and influence on driving smoothness and energy consumption caused by incapability of accurately associating path-related signal lamps and passing scenes in the prior art are solved, intelligent cooperative control of the idle speed start and stop system based on navigation information is realized, and vehicle energy consumption is optimized while driving experience is improved.

The utility model discloses a kind of intelligent padlocks with anti-stalling function, relating to intelligent padlock technical field, including shell, still including separable setting in the side part of shell lock beam, for locking lock beam locking mechanism, for detecting whether the signal contact cover of lock beam is inserted shell, two signal contact covers are respectively separable with the both ends of lock beam contact, controller is arranged in shell, locking mechanism and two signal contact covers are respectively electrically connected with controller.The utility model provides a kind of intelligent padlocks with anti-stalling function, by oil injection hole is injected into lubricating oil in oil groove on linkage frame, while lubricating oil lubricates screw rod, by drain port one, drain port two and drain port three respectively on locking block, containing cover, stabilizer rod simultaneously lubricate multiple places, effectively prevent the stall of intelligent padlock, by the setting of oil storage cavity, for oil channel long-acting oil supply, further avoid the stall of intelligent padlock, the use of intelligent padlock is more stable and reliable.

The application discloses a catheter driving device in a vascular interventional operation, which comprises an execution assembly and a power assembly. The execution assembly comprises a shell with a bottom-closed accommodating cavity and a Y-shaped connecting valve arranged in the accommodating cavity. The Y-shaped connecting valve comprises a main pipe, a front interface rotatably arranged at the front end of the main pipe and a rear interface rotatably arranged at the rear end of the main pipe. A catheter is fixedly arranged on the front interface. The execution assembly further comprises a first auxiliary magnetic force wheel fixedly connected with the front interface and a second auxiliary magnetic force wheel fixedly connected with the rear interface. Both the first auxiliary magnetic force wheel and the second auxiliary magnetic force wheel are arranged in the accommodating cavity. The power assembly is arranged outside the accommodating cavity and is isolated from the accommodating cavity. The power assembly comprises a first main magnetic force wheel in spaced transmission connection with the first auxiliary magnetic force wheel, a first motor, a second main magnetic force wheel in spaced transmission connection with the second auxiliary magnetic force wheel and a second motor. The driving device can avoid leakage and pollution of the motor and locked-rotor of the motor during the operation process, and can reduce the operation risk.

The invention discloses a self-adaptive control method for a low-carbon multi-fuel internal combustion engine based on fuel activity online identification, which comprises the following steps of: acquiring a pressure signal in a cylinder and a crank angle signal, calculating an instantaneous apparent heat release rate, and extracting waveform topological characteristics of the heat release rate; inputting the extracted heat release rate waveform topological features into the trained fuel activity mapping model to obtain an equivalent reaction activity index of the current mixed fuel; based on the equivalent reaction activity index, dynamically interpolating in a map database or switching to a corresponding reference control strategy, determining a basic value of a control parameter under the current working condition, and performing closed-loop increment correction on the control parameter based on the deviation between the current combustion parameter and a target parameter to obtain a correction value, and performing one-cycle control by taking the sum of the basic value and the correction value as a final value of the control parameter. The invention further discloses a corresponding control system. The combustion stability of the internal combustion engine under the multi-fuel variable working condition can be ensured without knowing the specific fuel type.

The invention relates to an optimization method for optimizing the thermal engine speed (30) of an automatic gearbox (32) type vehicle during a transfer, for implementing an optimization device (1) in communication with an engine control module (2) and a clutch control module (5), said method comprising a step in which real-time engine speed information (RMTH) is provided by the engine control module (2) to the optimization device (1), another step in which the real-time engine speed information (RMTH) is compared by the optimization device (1) with engine speed setpoint information (CRM), and yet another step in which, in the event of a mismatch between real-time engine speed (RMTH) information and engine speed setpoint (CRM) information, the optimization device (1) transmits a fade factor (FG) to the clutch control module (5) for fading the clutch torque gradient to limit the clutch torque gradient.

The application discloses a vehicle climbing control method, system, double-clutch transmission and vehicle thereof, and comprises the following steps: determining whether the vehicle is in an uphill mode when starting on a slope; in the uphill mode, sending a request instruction for increasing an idle speed to an engine controller according to the size of a slope, an engine intake temperature and a gear position of the vehicle; when the engine speed is in an engine stall risk speed zone, activating a torque limiting function of a clutch; when the engine leaves the engine stall risk speed zone, releasing the torque limitation of the clutch. The application provides a vehicle climbing control method, system, double-clutch transmission and vehicle thereof, and the double clutch is used for climbing control of a small-torque engine or an engine with insufficient idle speed, so that the reasonable calculation of clutch required torque is ensured, the reasonable torque transmission of the clutch is ensured, and the problem of engine speed dragging or even engine stall is avoided.

This application discloses a coal gasification pulverized coal co-firing system and method, solving the technical problems of poor ignition and flame stability of pulverized coal as an inert fuel in existing technologies. The coal gasification pulverized coal co-firing system includes a coal gasification pulverized coal bin, a boiler flue gas assembly, and one or more pulverized coal feeding assemblies. The boiler flue gas assembly includes a boiler, a hot primary air branch, and a hot secondary air branch. The boiler has a furnace, a hot primary air inlet, and a hot secondary air inlet. The hot secondary air branch has a first branch and a second branch. The hot primary air inlet is located below the hot secondary air inlet. The pulverized coal feeding assembly includes a pulverized coal feeding pipe, a pulverizer, an air-coal mixer, and a spray gun. The first inlet of the air-coal mixer is connected to the pulverizer, the second inlet of the air-coal mixer is connected to the first branch, and the mixing outlet of the air-coal mixer is connected to the inlet of the spray gun. The outlet end of the spray gun extends into the hot secondary air inlet and is connected to the furnace. This achieves efficient and stable co-firing of coal gasification pulverized coal in a pulverized coal boiler.

The application belongs to the technical field of gas turbine engines, and provides a combustion chamber with intelligent point flameout and an ignition method, which comprises: a diffuser connected with a machine case; a flame tube is installed in the machine case, the flame tube has a backflow area in the inside, and the backflow area is surrounded by a high-speed shear layer; an ignition system comprises an ignition electrode; when the flame tube is ignited, or when the pressure in the flame tube is lower than a preset value, or when the pressure change rate in the flame tube exceeds a preset range, the ignition electrode moves to the backflow area through the high-speed shear layer. The combustion chamber has an electromagnetic / pneumatic force coupled ignition system, the ignition position is moved from the high-speed shear layer to the backflow area, thereby being beneficial to flame stabilization, the generation probability of an initial flame core can be greatly improved, and due to the fact that the initial flame core is located in the backflow area, the propagation distance of the initial flame core can be significantly shortened or even eliminated, and the engine ignition envelope range can be greatly widened.

The utility model relates to a transmission structure of a wet-type rod mill. The transmission structure comprises an output motor, a coupler, a pinion device, a bull gear and a barrel body, flanges are arranged at the two axial ends of the barrel, and the large gear is installed at the axial inner end of the flange on one side. The output motor is a permanent magnet motor and is installed on a motor base on the side of the barrel, the coupler is an elastic pin coupler, an output shaft of the permanent magnet motor is connected with the small gear device through the elastic pin coupler, the small gear device at least comprises a small gear meshed with the large gear, and the small gear is meshed with the large gear. The permanent magnet motor can drive the small gear to rotate to drive the large gear and the barrel to rotate. The permanent magnet motor and the elastic pin coupling are adopted to provide torque to drive the rod mill barrel to rotate, power consumption is remarkably reduced, high-inertia load generated when the rod mill is started is easily overcome, impact load and instantaneous vibration of the rod mill barrel are absorbed through the elastic pin coupling, a motor shaft and a transmission system are protected, and the service life of the rod mill is prolonged. The motor bearing life is prolonged.

This invention discloses a tilt-lift short takeoff and landing (STOVL) aircraft and its control method, comprising a fuselage, wing assembly, multi-layered distributed propulsion system, tilt drive assembly, and control unit. The wing is hinged to the fuselage via a pivot in the mid-rear section of the chord, and the tilt drive assembly drives the wing to rotate and adjust the angle of attack. The multi-layered distributed propulsion system includes a first rotor assembly located in the mid-rear section to the wingtip region of the wing and a second rotor assembly located on the lower surface of the wing near the fuselage. During cruise, the first rotor assembly is stopped and feathered, and the propulsion system tilts synchronously with the wing. This invention, through a layered distributed propulsion layout and synchronous wing tilting for synergistic lift enhancement, solves the problems of insufficient control torque at low speeds and high cruise energy consumption, achieving a balance between STOVL performance and cruise economy.

This application provides a vehicle heat exchange module, a vehicle temperature control system, and a vehicle, including at least one of a gas-cooled radiator, a first water pump, a valve, a gas cooling device, an exhaust gas recirculation system, and a cooling medium; the gas-cooled radiator is connected to the first water pump; the first water pump is connected to the valve; the first outlet of the valve is connected to the gas cooling device; the gas cooling device is connected to the exhaust gas recirculation system; the second outlet of the valve is connected to the exhaust gas recirculation system; the exhaust gas recirculation system is connected to the gas-cooled radiator; the gas cooling device is disposed around the vehicle engine; when the valve is in the state of first outlet closed and second outlet open, the cooling medium flows from the first water pump to the valve, from the valve to the exhaust gas recirculation system, from the exhaust gas recirculation system to the gas-cooled radiator, and from the gas-cooled radiator to the first water pump, thereby preventing the surrounding air from condensing into condensate and entering the engine due to excessively low temperature of the gas cooling device.

The utility model relates to the technical field of box locks, and discloses a box lock and equipment with the box lock. The box lock comprises a lock body, a lock catch, a spring bolt, a locking driving assembly, a micro-motion piece and a pop-up piece, the spring bolt is arranged on the lock body, and the spring bolt is provided with a locking position locked with the lock catch and an unlocking position unlocked from the lock catch; the locking driving assembly is arranged on the lock body and drives the spring bolt to be converted from the locking position to the unlocking position. The micro-motion piece is arranged on the lock body, the spring bolt can trigger the micro-motion piece when being arranged at the unlocking position, and the micro-motion piece is in communication connection with the locking driving assembly; the pop-up piece is fixedly arranged relative to the lock body or fixedly arranged relative to the lock catch and used for enabling the lock catch and the spring bolt to be away from each other by a preset distance when the spring bolt is arranged at the unlocking position. According to the box lock, locking and unlocking can be achieved between the lock catch and the lock tongue, power consumption is small, the service life is long, meanwhile, the situation of mistaken locking is effectively avoided, operation is more convenient and faster, and the humanization degree is higher.

The utility model relates to a bridge crane steel wire rope replacing device and belongs to the technical field of bridge cranes. The bridge crane steel wire rope replacing device comprises a supporting base and a rotating mechanism arranged on the supporting base. The rotating mechanism comprises a rotating disc rotationally installed on the top of the supporting base, a thrust bearing arranged at the bottom of the rotating disc and a brake assembly used for limiting rotation of the rotating disc. The device has the effect of reducing potential safety hazards caused by stall of the winding drum when the steel wire rope is replaced.

The utility model discloses a vacuum switching device and table board adsorption detection equipment. The air valve comprises a barrel assembly, a piston disc and a driving part, the barrel assembly is provided with a vacuum cavity, a vacuum opening and a pressure relief opening, the vacuum opening and the pressure relief opening are communicated with the vacuum cavity, the driving part is installed at a first port of the barrel assembly, and a driving shaft of the driving part is connected with the piston disc; the adsorption mechanism is mounted at a second port of the barrel assembly; in the adsorption state, the piston disc cuts off communication between the pressure relief opening and the vacuum opening, and the piston disc keeps dynamic balance at the stop position; and in the release state, the piston disc cuts off communication between the vacuum cavity and the adsorption mechanism. By means of the mode, the vacuum switching device can switch the adsorption state and the release state of the vacuum generator in real time under the condition that the vacuum generator does not stop, frequent starting and stopping of the vacuum generator are avoided, long-term stalling of the vacuum generator in the adsorption state can be prevented, and the service life of the vacuum generator is prolonged. And the service life of the vacuum generator connected to the vacuum port is effectively prevented from being shortened.

The utility model relates to a kind of rolling cage planer shovel type pavement deicing machine, belong to deicing equipment technical field.The utility model solves the problem that the existing deicing mode exists pollution soil, corrosion steel bar, or damage pavement and cause damage to equipment itself.The first rolling cage icebreaking wheel is connected with vehicle by connecting arm, the first rolling cage icebreaking wheel includes spacer, first planer blade and second planer blade, multiple spacers are transversely arrayed and are connected by spline shaft, both ends of spline shaft are rotatably connected with connecting arm, there is gap between adjacent spacers, first planer blade and second planer blade are alternately arranged in gap, first planer blade and second planer blade are respectively installed on both sides of spacer, the end of blade of first planer blade and second planer blade is all machined with chamfer, the angle range of chamfer is 35~40°.The utility model relates to a kind of rolling cage planer shovel type pavement deicing machine can avoid to cause hidden mark to asphalt pavement, and deicing effect is strong.

This utility model relates to the field of bird deterrence equipment technology, specifically a rotatable bird deterrence device, including a support component and a bird deterrence component. The bird deterrence component includes a mounting plate, a fixing frame on the upper side of the mounting plate, a glass block on the outer side of the fixing frame, and barbs on the outer side of the glass block. A light bulb is mounted on the upper side of the mounting plate. The support component includes a support plate, a rotating rod on the upper side of the support plate, a gear at the lower outer end of the rotating rod, and a toothed plate on the rear side of the gear. This utility model uses the refraction of light from the light bulb by the glass block to disrupt the vision of flying birds. The reciprocating rotation of the barbs prevents birds from landing, increasing the bird deterrence method and improving the bird deterrence range. The gear and toothed plate drive the bird deterrence component to rotate reciprocally, preventing the barbs from getting caught in foreign objects and stopping rotation. The support plate is assembled using a clamping plate and a clamping groove, improving the stability of the bird deterrence device after fixing.

This utility model relates to a faucet lock, including a lock shell, a latch assembly, a lock cylinder, and a rotating shaft. The latch assembly includes a slider and a latch, with the latch connected to the slider. The slider is slidably disposed within the lock shell, and its sliding movement enables the extension and retraction of the latch. The rotating shaft is rotatably disposed on the lock shell, and is circumferentially linked and axially sliding with the lock cylinder. The rotating shaft can drive the slider to slide. A reset element is provided between the rotating shaft and the lock cylinder to drive the lock cylinder to return to its original position outside the lock shell. The key feature is that the lock shell contains a driving mechanism that drives the slider to slide in the unlocking or locking direction. The driving mechanism includes a motor, a driving gear, and a driving block. The driving block has a rack that meshes with the driving gear. The driving block is connected to the slider via a spring, so that the slider slides when the driving block slides. Using the above technical solution, this utility model provides a faucet lock that can be unlocked manually or electrically, offering multiple unlocking methods.

The application discloses a control method, device and system for preventing speed drop and flameout of a working machine, and belongs to the technical field of working machine control. The method obtains a whole vehicle gear, a whole vehicle gear rotating speed and an actual rotating speed, determines a gear interval to which the whole vehicle belongs, calculates a rotating speed difference value of the whole vehicle gear rotating speed and the actual rotating speed, judges whether the current working machine is in a speed drop state according to the rotating speed difference value, determines a fuzzy PID output value according to the current whole vehicle gear and the actual rotating speed when the current working machine is in the speed drop state, determines a control current change range of a flow control hydraulic valve of the current working machine according to the rotating speed difference value and the gear interval, determines a control current value of the flow control hydraulic valve according to the fuzzy PID output value and the control current change range, and controls opening and closing of the flow control hydraulic valve according to the control current. The flow output is adjusted by controlling the flow control hydraulic valve, and the executing element still receives a certain torque when the speed drops.

The application discloses a commercial vehicle AMT brake skip shift and downshift control method, device, equipment and medium, and belongs to the technical field of AMT control. The method comprises the following steps: determining a shift parameter and an engine optimal economic speed interval according to an engine universal characteristic curve in advance; when the vehicle needs to brake during driving and the engine speed is lower than an idle speed value, determining a target gear position according to the shift parameter and the engine optimal economic speed interval, and performing a shift operation according to the target gear position. According to the brake signal, the transmitter speed, the speed ratio of each gear position of the gearbox and the idle speed, and in combination with the engine universal characteristic curve, the automatic gearbox brake skip shift and downshift control is realized, the defect that a long time is consumed for step-by-step downshift is overcome, the driving safety is ensured, the problem of engine stall caused by the idle speed is avoided, and the stable operation of the vehicle is ensured.

The application discloses a magnetic suspension micro gas turbine power station and a control method thereof, and belongs to the technical field of micro gas turbine power generation. The magnetic suspension micro gas turbine power station comprises a micro gas turbine, a magnetic suspension motor and an electronic control system. The micro gas turbine is one of a type without a regenerator, a type with a built-in regenerator or a type with an external regenerator. The air inlet of the centrifugal compressor of the micro gas turbine is arranged in the magnetic suspension motor, and the motor stator is fixed in the air inlet. The centrifugal compressor and the radial turbine are back-to-back arranged on the rotating shaft, the radial turbine is fixed on the cantilever end of the rotating shaft and located outside the two radial magnetic bearings to form cantilever support, and the centrifugal compressor, the radial turbine, the motor rotor and the magnetic bearing rotor adopt a coaxial mounting structure. The application also adopts a double cooling gas path and a three-ring nested control strategy, and realizes high integration, oil-free, efficient cooling and precise dynamic control of the power station.

This invention belongs to the field of waste gas treatment technology, specifically disclosing a flare gas incineration treatment system for EVA production. The system includes a daily gas buffer tank and an emergency gas buffer tank, each connected in series with a liquid separator, a water seal tank, and a cooler. The gas outlets of the two coolers are connected to an incinerator, and the flue gas outlet of the incinerator is connected in series with an induced draft fan and a chimney. Addressing the safety risks, such as explosions, posed by direct combustion of flare gas generated during EVA production, this invention achieves safe, efficient, and compliant emissions of flare gas by classifying and collecting the flare gas, separating it into liquids, applying a water seal, pre-treating it with cooling, and precisely monitoring key parameters, combined with efficient incineration in an incinerator. This solves the problem that direct combustion of flare gas containing hydrocarbons such as ethylene, vinyl acetate, and organic solvents generated during EVA production can easily lead to explosions or flameout accidents due to gas composition imbalance.

The invention discloses a pull type vehicle body stability control vehicle-mounted control system based on a mechanical pull rope brake. The pull type vehicle body stability control vehicle-mounted control system comprises a controller box, a fixing device, a transmission mechanism, a sound-light alarm unit and a power supply. Lateral acceleration data of a vehicle body are collected through an LSM6DSOWTR three-axis acceleration sensor in a high frequency mode, a five-level graded braking rule and precise PWM control are combined, precise matching of the swing degree and the braking force of the pull type motor home is achieved, vehicle body swing is effectively restrained, the risk of dead swing is avoided, and the driving safety is remarkably improved; meanwhile, voltage and current dual detection protection and sound-light alarm functions are integrated, the abnormal operation risk of the system can be avoided in time, and the mechanical pull rope transmission mechanism which is simple in structure and small in force transmission loss and the power supply circuit matched with the vehicle-mounted environment are matched, so that installation and maintenance are convenient, adaptability is high, and cost is low. And the driving stability can be guaranteed by dynamically adjusting the braking power, and the service life of core components is prolonged.

The utility model discloses a ship fuel oil tank with an automatic drainage function, which relates to the technical field of ship fuel oil devices and comprises a supporting leg, an automatic drainage mechanism is arranged at the top of the supporting leg, and a waste liquid collecting mechanism is arranged on the outer wall of the supporting leg. And the automatic drainage mechanism comprises a closed bottom plate, the closed bottom plate is fixedly installed at the tops of the supporting legs, and an oil storage bin is fixedly installed at the top of the closed bottom plate. Through the overall design of the automatic drainage mechanism, the water content of fuel oil in the monitoring box can be monitored by means of the water content sensor, and when the water content exceeds a threshold value, the controller can automatically control the residue discharging valve to be opened, so that the automatic drainage function is achieved, and the problem that the efficiency of manual regular residue discharging inspection and manual drainage is low is solved; the water content of fuel in a ship fuel system is ensured to be within a safe range, equipment flameout caused by too high water content is prevented, and safe and stable operation of a ship is guaranteed.

The utility model relates to the technical field of electric welding machines, and discloses an automatic idling structure of a hair welding machine, which comprises a speed regulating support, a speed regulating handle, a throttle valve and an idling actuating mechanism, the speed regulating support is connected with the throttle valve and the speed regulating handle, and the automatic idling structure is characterized in that a connecting support arm is abutted against the idling actuating mechanism, and the idling actuating mechanism is connected with the connecting support arm. And the idle speed executing mechanism drives the connecting support arm to do reciprocating motion. The problems of flameout of the engine and substandard weld penetration are avoided, and the reliability of speed regulation and idling of the hair welding machine in a high-frequency welding scene is improved.

The application discloses a torque limiting control method and system for a range extender, and the method comprises the following steps: determining a first load threshold, a second load threshold and a third load threshold of an engine according to an altitude and an engine coolant temperature; acquiring an engine load rate of the range extender in real time at a set sampling interval, comparing the engine load rate with the first load threshold, the second load threshold and the third load threshold, and obtaining a comparison result; and limiting a target torque according to the comparison result. According to the application, the generator torque is dynamically limited according to the engine load rate, so that the range extender system can be smoothly transited in the process of torque limiting, sudden changes in power output can be avoided, the load rate can be prevented from fluctuating sharply, the system stability can be maintained, the system failure of the range extender can be reduced, and the reliability can be improved.