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36results about How to "Avoid stalled situations" patented technology
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Equipment for low-nitrogen combustion and method for low-nitrogen combustion
ActiveCN106287696ASimple structureCompact and reasonable structureGaseous fuel burnerCombustion apparatusLow nitrogenFlue gas
The invention relates to equipment for low-nitrogen combustion and a method for low-nitrogen combustion. The equipment for low-nitrogen combustion comprises a device for ignition, a device for flame detection, a natural gas pipeline, a flue gas pipe, a dilution pipe for natural gas, a combustion air room, and a guiding pipe for combustion air which is inserted into and connected with the combustion air room and a fire spraying pipe. The exit end of the natural gas pipeline is inserted inside the dilution pipe for natural gas from the entry end of the dilution pipe for natural gas. The flue gas pipe connects with the dilution pipe for natural gas through inner walls of the dilution pipe for natural gas, and the exit end of the dilution pipe for natural gas is inserted into the combustion air room and further inserted inside the guiding pipe for combustion air from the entry end of the guiding pipe for combustion air inside the combustion air room. The equipment for low-nitrogen combustion adopts a way of mixing natural gas with flue gas and blending the two gases inside the dilution pipe for natural gas in order to dilute the natural gas, thereby lowering calorific value of the natural gas, reducing the flame temperature, lowering the synthesis of nitric oxide fundamentally and realizing the effect of low-nitrogen combustion.
Owner:王研
Vehicle-based control system and vehicle
ActiveCN111005812AIncrease air intakeImprove performanceEngine controllersMachines/enginesControl systemTurbine
The invention provides a vehicle-based control system and a vehicle, which relate to the field of traffic. The system comprises a controller, a supercharger, an air inlet heating grid and a cavity structure, wherein the air inlet heating grid is arranged in the cavity structure, one end of the cavity structure is connected with the first end of the supercharger turbine rear exhaust pipeline through a cavity air inlet pipeline, a first valve is arranged on the cavity air inlet pipeline, the second end of the supercharger turbine rear exhaust pipeline is connected with the supercharger, and theother end of the cavity structure is connected with the cavity exhaust pipeline; the supercharger is used for discharging the waste gas after the turbine is pushed to do work into the supercharger turbine rear exhaust pipeline; and the controller is used for obtaining an external environment temperature value and controlling the first valve to be opened when the environment temperature value is determined to be smaller than the environment temperature critical threshold value, so that waste gas in the supercharger turbine rear exhaust pipeline enters the cavity structure. The problems that theair inflow of the engine is affected and the power of the engine is insufficient due to the fact that the air inlet heating grid is frozen can be solved.
Owner:WEICHAI POWER CO LTD
Water quantity control method, device and readable storage medium for drawer type dish-washing machine
InactiveCN108618721AAvoid stalled situationsTableware washing/rinsing machine detailsHome appliance efficiency improvementEngineeringWater intake
The invention discloses a water quantity control method, a device and a computer-readable storage medium for a drawer type dish-washing machine. The water quantity control method for the drawer type dish-washing machine comprises the following steps of: opening the water inlet valve of the target drawer; acquiring a current water quantity of the target drawer through the water level sensor, and judging whether the current water quantity is lower than a first threshold value or higher than a second threshold value; if the current water amount is lower than the first threshold value, keeping theopening state of the water inlet valve of the target drawer; if the current amount of water is higher than the second threshold, opening the drain valve of the target drawer to control the amount ofwater of the target drawer between the first threshold and the second threshold. The method can accurately detect the water level of the dish-washing machine in real time by the water level sensor, not only avoids the excessive water intake due to the failure of the flow meter, but also avoids the condition that the motor is stopped when the amount of water in the dishwasher is too small.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG +1
Control method, device and equipment of fan head
ActiveCN107269565AExtended service lifeReduce noisePump controlPump installationsLaser sensorControl theory
The invention relates to a control method, a control device and control equipment of a fan head. The method comprises the steps of controlling the fan head to swing towards a first side; receiving position information, which is obtained by a laser sensor through a signal slot formed in a swing gear of a fan, of the fan head in the process that the fan head swings; and controlling the fan head to swing by using a corresponding swing strategy according to the position information of the fan head. According to the embodiment, even if the center position of the fan head is changed when the fan head is pushed by external force in the process that the fan head swings, the position information of the fan head can be obtained in time by the control equipment, and therefore, the corresponding swing strategy of the fan head can be adjusted in time according to the position information, so that the fan head is controlled to symmetrically swing according to the swing strategy, the condition that the fan head and a head structure are stuck is avoided, the service life of the fan is prolonged, noise of the fan due to a locked rotor of a motor is reduced, and the user experience is increased.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD +1
Reduced speed method of motorcycle injection type engines
InactiveCN101275493AReduce fuel wasteReduce exhaust pollutionElectrical controlMachines/enginesElectronic control unitFuel oil
The invention relates to a speed reduction method for a jet engine of a motorcycle, comprising the steps of speed reducing, high rotating speed detecting, first controlling, low rotating speed detecting, second controlling and idle speed controlling. The reduction amplitude of the rotating speed of the engine is judged in the first controlling step, and then the fuel oil injection strategy for an electronic control unit is determined, so that when the motorcycle slows down, no excessive fuel oil is injected into the engine, the fuel oil waste is effectively reduced, the exhaust pollution is lowered, and the oil sediment on an exhaust pipe is avoided; in addition, in the second controlling step and the idle speed controlling step, the amount of fuel oil injected to the engine is controlled, the case that engine flameout caused by lack of fuel oil in the process of speed reducing and speed idling is prevented, thus to effectively improve the ride marketability of the motorcycle.
Owner:KYMCO
Engine stall preventive method
An engine stall preventive method is applicable to a vehicle comprising a belt motor generator and an engine; the belt motor generator is in dynamic connection with the engine; the belt motor generator has a power generating mode where the generator is driven by power of the engine to generate electricity and a motor mode where the generator drives the engine to run. The method includes: during running of the engine, determining that the engine is in a non-idle stall mode; if the speed of the engine is less than a low threshold, allowing the engine to enter in a staff preventive mode including switching the belt motor generator to the motor mode; increasing a torque output value of the belt motor generator till the speed of the engine being greater than a high threshold.
Owner:HUA CHUANG AUTOMOBILE INFORMATION TECHN CENT
Cold start control method and device and electronic control unit
ActiveCN110821689AAvoid stalled situationsCold start normalElectrical controlMachines/enginesElectronic control unitProcess engineering
The invention provides a cold start control method and device and an electronic control unit. The method comprises the following steps that when the cold start of an engine is detected, an engine parameter and an air inlet heating relay parameter are acquired; whether the engine parameter meets a first preset overheating protection condition or not is judged, and whether the air inlet heating relay parameter meets a second preset overheating protection condition or not is judged; if the engine parameter meets the first preset overheating protection condition and the air inlet heating relay parameter meets the second preset overheating protection condition, a preset overheating protection coefficient is set to be a preset protection value, so that an overheating protection device stops performing overheating protection operation according to the preset overheating protection coefficient set to be the preset protection value. According to the method and device and the unit, the situationthat the intake air temperature is too high due to heating of an air inlet heating grid, so that the overheating protection operation is performed, and then the engine flameout is generated is effectively avoided.
Owner:WEICHAI POWER CO LTD
Self-adjusting loosening device
ActiveCN107090615AAutomatically adjust the degree of openingAvoid stalled situationsFibre cleaning/opening by toothed membersFibre cleaning/opening machinesFiberEngineering
The invention relates to a mechanical loosening device, in particular to a self-adjusting loosening device which comprises a loosening cabin, a loosening drum, an air inlet pipe, and a rotating power element which drives the loosening drum to rotate, wherein the loosening cabin of a truncated cone shape, includes a feed hopper arranged at the top end of the loosening cabin and a discharge port installed on the right wall of the loosening cabin; the air inlet pipe is communicated with the left wall of the loosening cabin, and the loosening drum is rotatably connected in the loosening cabin; the loosening drum includes a fast cutting mechanism, a loosening mechanism, a rotating shaft and an inner blocking cylinder which is arranged in the loosening drum; a drum wall of the loosening drum and the inner blocking cylinder are both fixed on the rotating shaft which is rotatably connected on the loosening cabin and connected with the rotating power element, and the drum wall is divided into a feed part of a coniform shape and a discharge part of a truncated cone shape. In order to solve the problem of winding fibers on the loosening drum, the self-adjusting loosening device aims to provide the self-adjusting loosening device capable of avoiding fiber winding.
Owner:CHONGQING TIANYUN AUTO PARTS
Maintenance method of elevator traction component and maintenance device of elevator traction component
ActiveCN113086792AProtection lifeImprove operational efficiencyElevatorsManagement efficiencyTime of use
The invention discloses a maintenance method of an elevator traction component and a maintenance device of the elevator traction component. The maintenance method comprises the steps that maintenance period determination information of the traction component is obtained, wherein the maintenance period determination information comprises nonlinear statistical information of the use time and the deformation degree of the traction component; the actual use time of the elevator traction component is obtained; and corresponding maintenance time is generated based on the actual use time and the maintenance period determination information. In the use process of the elevator, the accurate maintenance time of the traction component is determined according to the time-deformation degree statistical information of the elevator traction component and the actual use time of the traction component, so that the service life of the traction component can be effectively protected on the basis of reasonably arranging the maintenance frequency, the management efficiency of enterprises is improved, meanwhile, the elevator stopping situation caused by the fault of the traction component is effectively avoided, and therefore the user experience is improved.
Owner:GUANGZHOU GUANGRI ELEVATOR IND
Reduced speed method of motorcycle injection type engines
InactiveCN101275493BReduce wasteAvoid stalled situationsElectrical controlMachines/enginesIdle speed controlJet engine
Owner:KYMCO
Dynamic adjusting method and device for controlling torque output threshold of full electric vehicle
ActiveCN104417391AAvoid stalled situationsSmoothly overcome resistance and climb hillsSpeed controllerElectric energy managementVehicle dynamicsMaximum torque
The invention discloses a dynamic adjusting method and device for controlling torque output threshold of full electric vehicle. The method comprises the following steps: obtaining a slope angle of the road on which the full electric vehicle is running; determining a vehicle dynamic adjusting level based on the slope angle, wherein the vehicle dynamic adjusting level is positively correlated with the slope angle; determining a first torque output threshold based on the vehicle dynamic adjusting level and the current rotating speed, wherein the first torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current rotating speed; determining a second torque output threshold based on the vehicle dynamic adjusting level and the current large torque duration, wherein the second torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current large torque duration; obtaining the current output threshold based on the first torque output threshold and the second output threshold, under the constraint conditions of the maximum torque output threshold and the minimum torque output threshold of the full electric vehicle. The dynamic adjusting method and device for controlling torque output threshold of full electric vehicle have the advantages of strong applicability, good safety, and the like.
Owner:BYD CO LTD
Hill starting control method for pure electric commercial vehicle based on real-time mass identification
InactiveCN110626348ASmooth startAvoid stalled situationsSpeed controllerElectric machinesBrake torqueMotor drive
The invention belongs to the field of control of commercial vehicles, and particularly relates to a hill starting control method for a pure electric commercial vehicle based on real-time mass identification. The hill starting control method comprises the following steps: judging whether the vehicle enters a hill starting mode or not; calculating hill gradient and vehicle mass after the vehicle enters the hill starting mode; and before an accelerator pedal is stepped on, keeping the vehicle static under the action of hydraulic braking force. After the accelerator pedal is stepped on, the sum ofdriving torque and braking torque is equal to hill equivalent torque; when motor torque is greater than motor stalling torque, the vehicle does not start, a motor controller controls the motor torquenot to increase along with the increase of the opening degree of the accelerator pedal until the opening degree of the accelerator pedal is increased to the state that the torque is greater than thehill equivalent torque, and braking torque is quickly removed. According to the method disclosed by the invention, after the accelerator pedal is stepped on, the motor driving torque, the braking torque and the hill equivalent torque are balanced, and thus, the circumstances that the motor is blocked and the vehicle moves suddenly and slips during starting are avoided.
Owner:NANJING UNIV OF SCI & TECH
Dynamic adjustment method and device for controlling torque output threshold of pure electric vehicle
ActiveCN104417391BAvoid stalled situationsSmoothly overcome resistance and climb hillsSpeed controllerElectric energy managementVehicle dynamicsMaximum torque
The invention discloses a dynamic adjusting method and device for controlling torque output threshold of full electric vehicle. The method comprises the following steps: obtaining a slope angle of the road on which the full electric vehicle is running; determining a vehicle dynamic adjusting level based on the slope angle, wherein the vehicle dynamic adjusting level is positively correlated with the slope angle; determining a first torque output threshold based on the vehicle dynamic adjusting level and the current rotating speed, wherein the first torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current rotating speed; determining a second torque output threshold based on the vehicle dynamic adjusting level and the current large torque duration, wherein the second torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current large torque duration; obtaining the current output threshold based on the first torque output threshold and the second output threshold, under the constraint conditions of the maximum torque output threshold and the minimum torque output threshold of the full electric vehicle. The dynamic adjusting method and device for controlling torque output threshold of full electric vehicle have the advantages of strong applicability, good safety, and the like.
Owner:BYD CO LTD
Maintenance method for elevator traction components and maintenance device for elevator traction components
ActiveCN113086792BProtection lifeImprove operational efficiencyElevatorsTime of useMechanical engineering
The invention discloses a maintenance method for elevator traction components and a maintenance device for elevator traction components. The maintenance method includes: acquiring maintenance cycle determination information of the traction components, and the maintenance cycle determination information includes the traction components The non-linear statistical information of the use time and deformation degree of the elevator; obtain the actual use time of the elevator traction components; generate the corresponding maintenance time based on the actual use time and the maintenance cycle determination information. During the use of the elevator, the precise maintenance time for the traction components can be determined according to the time-deformation statistical information of the traction components of the elevator and the actual use time of the traction components, so that the maintenance frequency can be reasonably arranged to achieve The effective protection of the service life of the traction components improves the operating efficiency of the enterprise, and at the same time effectively avoids the occurrence of elevator downtime caused by the failure of the traction components, thus improving the user experience.
Owner:GUANGZHOU GUANGRI ELEVATOR IND
Low nitrogen combustion device and low nitrogen combustion method
ActiveCN106287696BSimple structureCompact and reasonable structureGaseous fuel burnerCombustion apparatusFlue gasLow nitrogen
The invention relates to equipment for low-nitrogen combustion and a method for low-nitrogen combustion. The equipment for low-nitrogen combustion comprises a device for ignition, a device for flame detection, a natural gas pipeline, a flue gas pipe, a dilution pipe for natural gas, a combustion air room, and a guiding pipe for combustion air which is inserted into and connected with the combustion air room and a fire spraying pipe. The exit end of the natural gas pipeline is inserted inside the dilution pipe for natural gas from the entry end of the dilution pipe for natural gas. The flue gas pipe connects with the dilution pipe for natural gas through inner walls of the dilution pipe for natural gas, and the exit end of the dilution pipe for natural gas is inserted into the combustion air room and further inserted inside the guiding pipe for combustion air from the entry end of the guiding pipe for combustion air inside the combustion air room. The equipment for low-nitrogen combustion adopts a way of mixing natural gas with flue gas and blending the two gases inside the dilution pipe for natural gas in order to dilute the natural gas, thereby lowering calorific value of the natural gas, reducing the flame temperature, lowering the synthesis of nitric oxide fundamentally and realizing the effect of low-nitrogen combustion.
Owner:王研
A power distribution control method and device for a mobile work vehicle
ActiveCN106740855BAvoid stalled situationsLow power requirementEndless track vehiclesDistribution controlEngineering
Owner:WEICHAI POWER CO LTD
Full-automatic double-motor intelligent lock
ActiveCN111502424AReduce speedIncrease output torqueNon-mechanical controlsAlarm locksElectrical and Electronics engineeringMechanical engineering
Owner:佛山市耐得安智能科技有限公司
Self-adjusting opening device
ActiveCN107090615BAutomatically adjust the degree of openingAvoid stalled situationsFibre cleaning/opening by toothed membersFibre cleaning/opening machinesFiberEngineering
Owner:CHONGQING TIANYUN AUTO PARTS
Cold start control method, device and electronic control unit
ActiveCN110821689BAvoid stalled situationsCold start normalElectrical controlMachines/enginesProcess engineeringAir temperature
The invention provides a cold start control method, device and electronic control unit. The method includes: when it is detected that the engine performs a cold start, acquiring engine parameters and intake air heating relay parameters; Setting overheat protection conditions and judging whether the parameters of the intake air heating relay meet the second preset overheating protection conditions; if the engine parameters meet the first preset overheating protection conditions and the parameters of the intake air heating relay meet the second preset overheating protection conditions protection conditions, set the preset overheat protection coefficient as the preset protection value, so that the overheat protection device stops the overheat protection operation according to the preset overheat protection coefficient set as the preset protection value, effectively avoiding the heating of the intake air heating grid. As a result, the intake air temperature is too high, so that the overheat protection operation is performed and the engine is shut down.
Owner:WEICHAI POWER CO LTD
Clutch mechanism of electric pipette
The invention discloses a clutch mechanism of an electric pipette. The clutch mechanism comprises a screw rod nut, a screw rod and a piston rod, the piston rod is arranged in a piston cylinder, the screw rod nut is driven by a driving motor to rotate in a forward and reverse direction, the upper end of the screw rod is connected with an inner thread of the screw rod nut, the lower end of the screwrod is connected with the upper end of the piston rod, a limiting groove is formed in the end part of the lower end of the screw rod nut, the limiting groove is coaxial with the inner thread of the screw rod nut, and the axial length of the screw rod connected with the piston rod is less than or equal to the distance between the bottom of the limiting groove and the bottom of the piston cylinder.According to the clutch mechanism of the electric pipette, when a motor is out of control or a piston is continuously driven to move downward, the situation that the piston rod abuts against the bottom of the piston cylinder and cause the motor stalling can be effectively avoided, and thus the safe and stable operation of the pipette is ensured.
Owner:SUZHOU SCHNITGERLAB ELECTRIC CO LTD
Fully automatic dual motor smart lock
ActiveCN111502424BReduce speedIncrease output torqueNon-mechanical controlsAlarm locksElectric machineControl engineering
Owner:佛山市耐得安智能科技有限公司
Electromagnetic exhaust braking device for automobile
ActiveCN111559365AAvoid safety accidentsMake up for the errorFluid braking transmissionPiping arrangementsAutomotive engineeringMagnet coil
The invention discloses an electromagnetic exhaust braking device for an automobile, which comprises an exhaust valve, wherein the exhaust valve comprises an exhaust pipe body with an exhaust port, arotating shaft coaxially arranged in the exhaust pipe body and a disc which is fixed to the rotating shaft and can block the exhaust port of the exhaust pipe body, the exhaust valve is connected withan electromagnetic driving mechanism capable of driving the rotating shaft to rotate to open or close the exhaust port, the electromagnetic driving mechanism comprises an electromagnetic mechanism shell, an electromagnetic coil arranged in the electromagnetic mechanism shell and an iron core which is arranged in the electromagnetic coil and can move forwards and backwards under electromagnetic force, and a push rod mechanism capable of enabling the rotating shaft to rotate is connected between the iron core and the rotating shaft. In the electromagnetic driving device, an auxiliary push rod and a main push rod are flexibly connected, a compensation spring is arranged between the auxiliary push rod and the main push rod, and if there is an error in the attraction position of the iron core,the compensation spring can be compressed by electromagnetic force to compensate the error when the movement stroke of components of the disc is small, and the iron core and a base cannot be completely attracted or the disc cannot be completely closed.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD
Electromagnetic exhaust brake device for automobile
ActiveCN111559365BAvoid stalled situationsExhaust brake implementationFluid braking transmissionPiping arrangementsExhaust valveExhaust brake
The invention discloses an electromagnetic exhaust brake device for automobiles, which comprises an exhaust valve, the exhaust valve comprises an exhaust pipe body with an exhaust port, a rotating shaft coaxially arranged in the exhaust pipe body, and fixed to the rotating shaft, The disc that can block the exhaust port of the exhaust pipe body. The exhaust valve is connected with an electromagnetic drive mechanism that can drive the rotating shaft to open or close the exhaust port. The electromagnetic coil in the casing and the iron core arranged in the electromagnetic coil and capable of moving back and forth by the electromagnetic force are connected between the iron core and the rotating shaft with a push rod mechanism capable of rotating the rotating shaft. In the electromagnetic drive device, the auxiliary push rod and the main push rod are connected flexibly, and there is a compensation spring in the middle. If there is an error in the suction position of the iron core, the movement stroke of the disc is too small, and the iron core and the base cannot be completely attracted or the disc When the sheet cannot be completely closed, the electromagnetic force will compress the compensation spring to make up for the error.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD
Gas equipment, control method and device of gas equipment and cooking equipment
InactiveCN111059580APrecise fire controlAvoid stalled situationsDomestic stoves or rangesOperating means/releasing devices for valvesProcess engineeringFuel gas
The invention discloses gas equipment, a control method and device of the gas equipment and cooking equipment. The gas equipment comprises a valve body, an ignition device, a flow adjusting unit and aflameout device, and the valve body comprises a gas inlet and a gas outlet communicating with a valve cavity; the ignition device comprises an ignition unit, a first electrode terminal and a first driving unit connected with the valve body; the first electrode terminal is electrically connected with a power supply loop of the ignition unit; when the first driving unit moves to be in contact withthe first electrode terminal, the ignition unit is powered on, and the air outlet is converted into a ventilation state from a closed state; the flow adjusting unit is connected with the valve cavityand used for adjusting the flow of fuel gas flowing through the gas outlet; and the flameout device is connected with the first driving unit and used for controlling the first driving unit to move sothat the air outlet can be converted into the closed state from the ventilation state. According to the gas equipment, the control method and device of the gas equipment and the cooking equipment, theignition device, the flow adjusting unit and the flameout device are separately arranged, so that the problems of flameout and inaccurate firepower adjustment of existing gas equipment are avoided.
Owner:珠海优特智厨科技有限公司
Single-ring fire burner
PendingCN108180508ASave spaceBig sizeDomestic stoves or rangesGaseous fuel burnerEngineeringCombustor
The invention relates to a single-ring fire burner and belongs to the technical field of kitchen ranges. The single-ring fire burner comprises a furnace end and a fire cover arranged on the furnace end; the furnace end is provided with a thick injecting pipe and a thin injecting pipe; the thick injecting pipe is communicated to an annular gas channel which is internally and independently providedwith an auxiliary cavity communicated with the thin injecting pipe; and a gas supplying port of the auxiliary cavity is arranged corresponding to an ignition assembly. According to the single-ring fire burner, due to the fact that the two injecting pipes are used for controlling firepower, the burner can accurately adjust a large fire and a small fire; and a same fire ring is used for supplying gas for the large fire and the small fire of the burner, and by expanding the diameter of the fire ring, the pan bottom can also be heated uniformly during a small fire. Besides, according to the single-ring fire burner, by arranging the auxiliary cavity communicated to the thin injecting pipe, gas is continuously supplied for the ignition assembly at constant amount, and it is avoided that the flameout condition happens to the burner in the small fire adjusting process.
Owner:QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD
Vehicle acceleration control method, control system and vehicle
PendingCN112208537AImprove efficiencyImprove acceleration efficiencyElectric/fluid circuitAcceleration controlEngine control unit
The embodiment of the invention discloses a vehicle acceleration control method, a control system and a vehicle. The vehicle acceleration control method is applied to the vehicle acceleration controlsystem, the acceleration control system comprises a vehicle control unit and an engine controller connected with the vehicle control unit, and the method comprises the steps that when a vehicle is inan idling state, the vehicle control unit detects whether a load adjusting signal of the preset type is received; if the vehicle control unit receives the load adjusting signal of the preset type, thevehicle control unit outputs a rotating speed presetting signal to an engine controller; and the engine controller responds to the rotating speed presetting signal to increase the rotating speed of the vehicle to a preset rotating speed. According to the acceleration control method, the vehicle control unit outputs the rotating speed presetting signal after receiving the load adjusting signal ofthe preset type, and controls the engine controller to pre-increase the rotating speed of the engine, so that the engine is controlled to act within the time of waiting for load adjustment, and the rotating speed adjusting time of the engine is shortened; and the acceleration efficiency of the engine is improved.
Owner:GUANGXI LIUGONG MASCH CO LTD
Gas hot water equipment
The invention provides a gas hot water device, which includes a burner, a heat exchanger, a gas valve, a fan, and a controller. The controller is electrically connected to the burner to control the ignition and combustion of the burner, is electrically connected to the gas valve to control the opening of the gas valve by adjusting the working current of the gas valve, and is electrically connected to the fan to adjust the fan speed. The controller is configured to re-ignite after the burner fails to ignite within the limited range of the number of ignition times, and determine and adjust the speed of the fan according to the current number of ignition times. By igniting multiple times and adjusting the fan speed according to the current number of igniting times, it can resist the interference of headwind on combustion, so as to ensure that the equipment can work normally and ensure that users have a good experience.
Owner:VAILLANT WUXI HEATING EQUIP
a burner
ActiveCN110375299BAvoid easy cloggingWell mixedDomestic stoves or rangesCooking fumes removalCombustorFuel gas
The invention relates to a burner. The burner comprises an ejector tube, wherein the ejector tube is provided with an ejection port, and further comprises a butt joint tube connected with a gas tube,wherein a nozzle is arranged on the butt joint tube, and the nozzle faces the ejection port and is arranged above the ejection port. According to the burner, the nozzle is arranged above the ejectionport, so that the nozzle is in an inverted state, an ejection path is formed into a bent circuit segment, the ejection path is lengthened, the ejection capability is improved, gas and primary air canbe fully mixed, and the burning efficiency is improved. In addition, due to the fact that the nozzle is in an inverted state, the nozzle is not easy to block even when spilled liquid flows to the nozzle.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
Vehicle-based control system and vehicle
ActiveCN111005812BIncrease air intakeImprove performanceEngine controllersMachines/enginesControl systemExhaust fumes
The application provides a vehicle-based control system and a vehicle, which relate to the field of transportation. The system includes: a controller, a supercharger, an air intake heating grid and a cavity structure. One end of the cavity structure is connected to the first end of the turbocharger exhaust pipeline through the cavity intake pipeline. The cavity intake pipeline is provided with a first valve, and the second end of the turbocharger exhaust pipeline is One end is connected to the supercharger, and the other end of the cavity structure is connected to the cavity exhaust pipeline; the supercharger is used to discharge the exhaust gas after the turbine has done work into the exhaust pipeline behind the supercharger vortex; The controller is used to obtain the external ambient temperature value, and when it is determined that the ambient temperature value is lower than the critical threshold value of the ambient temperature, control the opening of the first valve so that the exhaust gas in the exhaust pipeline behind the turbocharger enters the cavity structure . It can solve the problem that the intake air volume of the engine is affected by the ice formation at the intake heating grill, resulting in insufficient engine power.
Owner:WEICHAI POWER CO LTD
Method of preventing engine stall for non-idle stall mode
An engine stall preventive method is applicable to a vehicle comprising a belt motor generator and an engine; the belt motor generator is in dynamic connection with the engine; the belt motor generator has a power generating mode where the generator is driven by power of the engine to generate electricity and a motor mode where the generator drives the engine to run. The method includes: during running of the engine, determining that the engine is in a non-idle stall mode; if the speed of the engine is less than a low threshold, allowing the engine to enter in a staff preventive mode including switching the belt motor generator to the motor mode; increasing a torque output value of the belt motor generator till the speed of the engine being greater than a high threshold.
Owner:HUA CHUANG AUTOMOBILE INFORMATION TECHN CENT
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