1874 results about "Starter" patented technology

The invention discloses a starter over-rotation protection control method and system, electronic equipment and a storage medium, and the method comprises the steps: firstly collecting a power turbine transmission chain tail end rotation speed signal and a gas generator rotation speed signal, and then judging whether the gas generator rotation speed reaches a first preset rotation speed or not; and if the rotating speed of the gas generator reaches a first preset rotating speed, the decreasing rate of the rotating speed at the tail end of the power turbine transmission chain is larger than a rotating speed decreasing rate threshold value, and the duration time exceeds preset time, or if the decreasing amplitude of the rotating speed at the tail end of the power turbine transmission chain exceeds a preset value, parking protection is started. If the rotating speed of the gas generator does not reach the first preset rotating speed all the time, it can be judged that the starter is not really ignited, the starter is in the test run test process of starting (oil) sealing, false starting, cold running and the like, at the moment, the power turbine does not have the over-rotating problem, and even if the decreasing rate or the decreasing amplitude of the rotating speed of the tail end of a power turbine transmission chain meets the preset conditions, the engine cannot be ignited. And the parking protection is not started, so that the normal test run test is not influenced.

The present disclosure relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. A trip device for a manual motor starter according to an embodiment of the present disclosure comprises: a trip unit body forming the base of a trip unit; a fixed contact coupled to the lower portion of the trip unit body; a heater assembly inserted and coupled to the trip unit body and detecting the heat variation; a coil coupled to the upper portion of the trip unit body; a core unit inserted into the coil; a terminal rod coupled to the core unit and the trip unit body, and having one end portion forming a terminal unit; and an instant trip lever which is rotatably coupled to the trip unit body and is operated by the core unit, wherein a coil attachment portion in which the coil is inserted and installed protrudes from the trip unit body.

A fault detection system of a motor belongs to the technical field of motor fault detection, and aims to solve the problems that the existing motor fault detection device is high in detection difficulty and inaccurate in fault reason judgment. The fault detection system comprises the steps that a frequency converter is adopted as a motor starter, and the input voltage of the motor is gradually increased; a harmonic detection module is adopted to detect the harmonic component of a current signal output by the motor, and the harmonic detection module outputs a harmonic waveform; detecting whether the motor is in a normal operation state, a winding short-circuit fault state, a winding open-circuit fault state or a bearing fault state according to the harmonic waveform; a built-in insulation monitoring module of the frequency converter is adopted to detect the insulation resistance value of the motor; judging a motor leakage state according to the insulation resistance value; a torque measuring module arranged in the frequency converter is used for detecting the torque of the motor; judging a motor torque fault state according to the torque; a temperature sensor arranged in the frequency converter is used for detecting the temperature of the motor; and judging a motor fault state according to the temperature. The method is used for motor fault detection.

The invention provides a quick connector for an automobile starting motor, and relates to the technical field of starting motor connectors, the quick connector comprises a butt joint A and a butt joint B. A metal plug is installed in the butt joint A, and the metal plug is connected with a wire; the butt joint B is in contact with the butt joint A, a metal insertion cylinder is installed in the butt joint B, the metal insertion cylinder is connected with a wire, and a metal plug is connected with the metal insertion cylinder; and the outer part of the butt joint A is connected with a rotary connecting sleeve. After the metal plug is inserted into the metal insertion cylinder, the end part of the movable head is in close contact with the innermost end of the connecting seat under the thrust influence of the small spring, so that the conductive connection effect between the metal plug and the metal insertion cylinder is ensured, and the occurrence of poor contact is effectively avoided. The invention relates to a connector for an automobile starting motor, which solves the problem that the plug-pull connecting part of the connector is easy to loosen due to vibration when the existing connector for the automobile starting motor is generally fixed by adopting a plug-in matched threaded connection mode and is in a high-strength vibration working condition in an automobile for a long time.

The utility model relates to a high-voltage soft start cabinet. The technical problem to be solved by the utility model is to provide a high-voltage soft start cabinet. The technical solution adopted by the utility model: including a start cabinet bottom plate, a start cabinet side plate, a wiring cover plate and a start cabinet door, the start cabinet bottom plate includes a bottom plate body and a bottom plate main docking part, the ends of the bottom plate main docking part extend vertically downward to form a bottom plate front part and a bottom plate side part respectively, the bottom plate front part is vertically bent inward to form a bottom plate reinforcement part, the bottom plate front part and the bottom plate reinforcement part are provided with a bottom plate docking interface, and the bottom plate main docking part is provided with a bottom plate first fixing hole at the bottom plate docking interface. The advantages of the utility model are: the bottom of the side plate, the raised plate inside the side plate and the wiring cover plate form a hidden wiring channel, which can bring together the circuits of the components in the soft start cabinet and lead them out through the main inlet and outlet holes, making the wiring more reasonable and concealed, and the internal layout more beautiful; the wiring channel is formed by integral bending, with fewer parts and easy processing.

A method and system used to control a rotational speed or a torque of an output drive shaft. The output drive shaft being coupled to a turbine engine. The turbine engine including an engine core and an engine starter assembly. The engine starter assembly including an air turbine starter, an output drive shaft and an electric motor.

The invention provides a storage battery starting capability prediction method and device, electronic equipment and a medium, and the method comprises the steps: obtaining the change data of the current and voltage of a storage battery when an engine is started this time; determining the moment corresponding to the maximum discharge current, the internal resistance of the starter at the moment and the internal resistance of the storage battery at the current increasing stage in the starting process of the engine based on the change data of the current and the voltage of the storage battery; and inputting the internal resistance of the storage battery and the internal resistance of the starter into a pre-constructed starting capability model to predict the starting voltage which can be provided by the storage battery when the engine is started next time. According to the invention, the prediction accuracy of the starting capability of the storage battery is improved.

An engine system includes: a combustor including an ignition unit configured to ignite the fuel gas and configured to generate combustion gas that heats a catalyst; an outside air temperature detection unit configured to detect an outside air temperature; a catalyst temperature detection unit configured to detect a temperature of the catalyst; an operating environment detection unit configured to detect an operating environment of the combustor; a combustion time determination unit configured to determine combustion time of the combustor; and a start control unit configured to, at a time of starting the engine, perform ON control on a starter and the ignition unit and control a third fuel supply valve, a first flow rate control valve, and a second flow rate control valve to open, and thereafter when the combustion time elapses, perform OFF control on the ignition unit and control the third fuel supply valve to close.

The invention discloses a cargo-parachute separation mechanism after airdrop equipment enters water, which solves the problems of slow cargo-parachute separation speed and low cargo-parachute separation success rate existing in the existing separation mechanism. A spring (1) is arranged between the piston (13) and the cylinder cover (11), a thermal battery starting pin sleeve (16) is arranged in the piston cylinder (10) below the piston (13), a compressed compression spring (18) is arranged on the thermal battery starting pin (6), a safety pin (2) is fixedly arranged on the bottom end surface of the piston (13), a thermal battery (3) is arranged in the piston cylinder (10) below the thermal battery starting pin sleeve, an explosive bolt control circuit board (7) is connected to the insulation pad (4), an explosive bolt (9) is fixedly arranged on the bottom end plate of the piston cylinder (10), the explosive bolt is electrically connected to the explosive bolt control circuit board, and an airdrop equipment connection seat (5) is fixedly connected to the lower end of the explosive bolt. The equipment can be quickly deployed in place after entering the water, and the cargo-parachute separation is fast.

The invention discloses a gas generator frequent starting system without a starting motor and an implementation method, and belongs to the technical field of generator control. The gas generator frequent starting system comprises a charging and discharging circuit, a charging control circuit and a discharging control circuit; the storage battery is connected with an inverter and a plurality of super capacitors through a normally open contact of the relay, each super capacitor is connected with a coil of a solid-state relay, the storage battery is further connected with a rectification voltage stabilizer, the inverter and the rectification voltage stabilizer are connected with a coil of a gas generator, the coil of the gas generator is further connected with a coil KMC-0 of an 8 # relay, and the coil KMC-0 of the 8 # relay is connected with the storage battery. A starting mode of directly driving a generator coil is adopted, an external starting motor is not needed, and therefore the problems that a conventional starter slips, cannot be separated and is abraded are solved.

The invention relates to the field of extended-range hybrid electric vehicle control, and particularly discloses a multi-mode self-adaptive amphibious vehicle extended-range system start-stop control method, which comprises the following steps of: switching to a corresponding working mode according to a driving environment of a vehicle, the range extending system is adaptively adjusted to a power generation working condition or a stop working condition according to different working modes; the range extending system start-stop control module comprises a range extender starting module and a range extender stopping module, and the engine starting module is divided into a starter emergency starting mode and an ISG reverse dragging engine starting mode; task requirements of a driver can be met, operation states of all parts can be coordinated more sufficiently, energy output efficiency is improved, the range extending system is higher in starting and response speed and lower in oil consumption and emission in the starting process, meanwhile, the mode that an engine is started by a starter is reserved to cope with emergency situations, and the range extending system is suitable for popularization and application. And the stability and the reliability of the whole system are improved.

The invention provides a starter test run control method for an aero-engine, and relates to the technical field of engine test run control, in a test run starting time period, an output shaft of a starter is kept at a low rotating speed, a power turbine rotor is prevented from rotating over, and after the test run starting time period is over, the output shaft of the starter is kept at a low rotating speed. Taking a standard target value of the rotating speed of the output shaft of the starter as a set value, entering a rotating speed control mode, increasing the rotating speed of the output shaft of the starter, and triggering the starter to stop at a stop triggering moment; increasing the set value by considering that the rotational inertia of the output shaft of the starter is greater than the rotational inertia of a rotor of the starter and the output shaft of the starter is in an inertia uprush state; the rotating speed of the output shaft of the starter is continuously increased, the load on the output shaft of the starter is reduced, and if the rotating speed of the output shaft of the starter in an inertia uprush state cannot reach a set value, the load applied to the output shaft of the starter is continuously reduced on the basis of reducing the load applied to the output shaft of the starter; the overrun clutch inner sleeve and the overrun clutch outer sleeve cannot be meshed under the condition of high rotating speed until the rotating speed reduction rate of the starter output shaft is smaller than the rotating speed reduction rate of the starter rotor, vibration impact is avoided, and damage to the overrun clutch is reduced.

The invention relates to the technical field of internet of things data processing, in particular to internet of things data processing equipment convenient to disassemble and assemble, which comprises a case, a data equipment power supply box is arranged in the case, a starting assembly for fixing the data equipment power supply box is arranged in the case, and positioning assemblies are arranged on two moving shells. A matching assembly is arranged in the machine case, two triggering assemblies are arranged at the bottom end in the machine case, a taking-out assembly is arranged on the top of each sliding shell, and a pushing assembly is arranged in the machine case. According to the invention, the device can complete one-key automatic mounting and dismounting, the protection of the device is improved, and the maintenance of the device is more convenient, so that the problem that the damage risk is increased due to the fact that connection lines in the power supply device box are damaged and the dismounting process is tedious is solved.

The utility model belongs to the technical field of automobile manufacturing, and particularly relates to an assembling machine for a permanent magnet type stator of an automobile starter. An assembling tool on the base is provided with an abutting-pushing assembly, the abutting-pushing assembly comprises abutting-pushing pieces, and the multiple abutting-pushing pieces are close to each other or away from each other at the same time through a second driving mechanism; the lower assembling tool is provided with a supporting and clamping assembly arranged opposite to the abutting and pushing assembly, the supporting and clamping assembly comprises a supporting and clamping piece, and a supporting and clamping part of the supporting and clamping piece extends upwards from the assembling operation window; an abutting and pushing channel is formed between the supporting and clamping parts of every two adjacent supporting and clamping pieces, the abutting and pushing parts of the abutting and pushing pieces vertically stretch in or out through the abutting and pushing channels, and the abutting and pushing channels do linear reciprocating motion in the direction from the position close to the machining and positioning center L to the position away from the machining and positioning center L; the multiple supporting and clamping pieces get close to each other or get away from each other at the same time through the third driving mechanism. The device is high in reliability, saves manpower, and enables the assembly efficiency of the permanent magnet type stator of the automobile starter to be higher.

The utility model discloses an electromagnetic switch with a shockproof function for an automobile starter, and relates to the technical field of electromagnetic switches. The electromagnetic switch with the shockproof function for the automobile starter comprises a mounting table arranged on a starting motor and an electromagnetic switch main body movably clamped on the mounting table, a loading seat is arranged at the bottom of the electromagnetic switch main body, the loading seat is clamped with the mounting table, and a shockproof reinforcing mechanism is arranged between the mounting table and the electromagnetic switch main body. According to the electromagnetic switch with the shockproof function for the automobile starter, the electromagnetic switch main body is primarily fixed by bolts of the mounting table and the loading seat and is secondarily shockproof and reinforced by the shockproof reinforcing mechanism, so that when the position of the electromagnetic switch main body is fixed, the whole electromagnetic switch main body and the starting motor are stably fixed; and through the dual-fixation effect, it is ensured that the anti-vibration effect is good and the stability is high after the electromagnetic switch body is installed.

A method and system used to control a rotational speed or a torque of an output drive shaft. The output drive shaft being coupled to a turbine engine. The turbine engine including an engine core and an engine starter assembly. The engine starter assembly including an air turbine starter, an output drive shaft and an electric motor.

A method for controlling gear shifting of a hybrid electric vehicle is applied to a transmission control unit, and includes: transmitting, at an interval of a preset time period and via a vehicle control unit (VCU), a first torque control instruction to a first microcontroller unit (MCU) and a second torque control instruction to a second MCU; transmitting, in response to a difference between a rotational speed of an integrated starter and a rotational speed of the clutch being within a preset speed difference range and via the VCU, a rotational speed control instruction to the first MCU and a gear shift instruction to the second MCU; and transmitting, in response to receiving a TM gear-shifting completion instruction, at an interval of a preset time period and via the VCU, a third torque control instruction to the first MCU and a fourth torque control instruction to the second MCU.

The invention belongs to the technical field of soft starter control, and particularly provides a soft starter control method and system based on dynamic threshold correction and current change prediction, and the method comprises the steps: data collection: collecting the collected data, including the environment temperature, the input current collection and the operation duration of a soft starter; data cleaning and preprocessing; establishing a temperature-time-current threshold correction relation; a soft starter state classification model is constructed based on the long-short-term memory network and used for perfecting the temperature-time-current threshold correction relation constructed in the third step and outputting the soft starter state; soft starter state classification model training optimization and evaluation; and using the trained soft starter state classification model to carry out soft starter operation state discrimination. The method and the system are combined with multi-dimensional data such as temperature and time, a current protection threshold is dynamically adjusted, and the problem that a traditional static constant value is poor in adaptability is solved.

A variable frequency starter generator (VFSG) system includes a VFSG having a start mode and a generate mode, a permanent magnet generator (PMG) and a main generator section and an exciter section. The system also includes a controller electrically connected to the VFSG. The controller flow start mode three phase electrical power from aircraft power to the exciter of the VFSG in the start mode and flows single phase electrical power to the exciter of the VFSG in the generate mode. The controller includes: an input active rectifier that receives input AC power and converts it to DC power and provides it to across a positive rail and negative rail; an output inverter coupled to an output of the input active rectifier; and one or more line inductors connected along one or both of the positive rail and negative rail between the input active rectifier and the output inverter.

A system includes a gas turbine engine configured to provide propulsion to an aircraft and a starter system configured to start the gas turbine engine. The starter system comprises a motor controller and a closed-loop cooling system configured to cool the motor controller during an emergency in-flight restart operation of the gas turbine engine. The closed-loop cooling system includes a cooling fluid reservoir containing cooling fluid. The cooling fluid is configured to receive thermal energy from the motor controller during the emergency in-flight restart operation of the gas turbine engine.

An example system includes a first gas-turbine engine configured to propel an aircraft, the first gas-turbine engine comprising: a first air-turbine starter, the first air-turbine starter configured to rotate a spool of the first gas-turbine engine; and a first electric starter, the first electric starter configured to rotate the spool of the first gas-turbine engine; and one or more controllers collectively configured to: cause, during a time period, the first-air turbine starter and the first electric starter to start the first gas-turbine engine while the aircraft is on the ground; measure, during the time period, values of one or more parameters of the first gas-turbine engine; and determine, based on the values of the one or more parameters, whether the first electric starter is available for use in performing mid-air restart of the first gas-turbine engine.

The utility model discloses a sealing structure side-mounted starter giving consideration to idling start-stop, and belongs to the technical field of starters. The starter body is installed on the air inlet side of an engine and an engine cylinder flange, the starter body is installed laterally, a front end cover of the starter body is of a stepped structure, and a sealing strip is pasted to the front end cover to seal a flywheel shell. According to the utility model, the front end sealing cover of the starter is laterally mounted and lifted, and the rear end space of the starter required for disassembling the starter is reduced, so that the flywheel casing can be sealed under the conditions that the front casing flange of the transmission is enlarged and is close to a cylinder body, and the dustproof and waterproof requirements of a vehicle factory are met; the functions of idling start-stop and high power are achieved by only changing components in the starter or increasing the lengths of the stator and the rotor of the starter, more vehicle engine project requirements are met, installation interfaces are unified, and the states of related parts of the starter are reduced.

The invention discloses a compressor assembly, a heat pump system and a clothes dryer. The compressor assembly comprises a reciprocating compressor, a heat pump assembly and a heat pump assembly, the protection shell is arranged on the side, in the first direction, of the reciprocating compressor, the protection shell limits or participates in limiting of a containing cavity, the protection shell is provided with a metal layer and a heat insulation layer, the metal layer is arranged on the outer side of the heat insulation layer, and a wire outlet is formed in the side, in the second direction, of the protection shell. The second direction is perpendicular to the first direction; and the starter is arranged in the accommodating cavity, and a lead wire of the starter is arranged in the wire outlet in a penetrating manner. According to the compressor assembly, the protective shell is provided with the metal layer, so that the risks of melting and overfire are avoided, the structural strength of the protective shell is improved, and the service life of the protective shell is prolonged; in addition, the compressor assembly is small in occupied space, the installation space of other assemblies is not prone to being occupied, and the arrangement difficulty is low.

The utility model relates to the technical field of engine starting, in particular to a starting structure of an in-line piston engine, an engine and an aircraft thereof, which comprises a starting motor, the starting motor is installed on the upper portion of an engine crankshaft box body, and the output end of the starting motor penetrates through the box body and drives a reduction gear assembly through gear meshing. The reduction gear assembly comprises a reduction gear and a driving gear, the reduction gear is formed by laminating a plurality of large gears, the driving gear is meshed with the reduction gear, the large gears are laminated through friction plates and belleville springs, a starting gear is arranged at the front end of the engine crankshaft, and a one-way overrunning clutch assembly is integrally arranged on the starting gear. According to the utility model, the installation position of the starting motor is moved from the end part of the crankcase body to the upper part of the crankcase body, and meanwhile, the number of gears is reduced, so that the miniaturization design of the crankcase body is realized.

The disclosure is directed to a system including a single source of electric power for work site operations. In regard to hydraulic fracturing stimulation of a wellbore, the system includes a single source of electric power for starting one or more frac pumps comprising engines with electric starters.

The invention belongs to the technical field of new energy vehicles, and particularly relates to an all-in-one power domain control system and method for a new energy vehicle. A thermal management module and / or a refueling door module and / or a traction motor control module and / or an integrated starter configured to control the temperature of an engine management module and / or an automatic transmission electronic control module and / or a shift control module and / or a hybrid vehicle control module and / or an air conditioning module and / or a battery and an electric motor the power generator control module and / or the DC-to-DC converter module and / or the slow charging module and / or the quick charging module execute corresponding functions, so that each functional module in the new energy automobile is directly and electrically connected with the main control module, and each functional module can directly send detected parameter data to the main control module; the delay caused by step-by-step data transmission is avoided, and the main control module can immediately feed back a corresponding control signal according to the obtained parameter data.

1. The name of this design product: Inflatable and starting all-in-one machine. 2. Purpose of the product with this design: It is used for emergency starting of automobiles, can also be used to inflate automobile tires and charge USB-powered devices, and is also a device with emergency lighting function. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A round baler includes a forming belt defining a baling chamber having an inlet through which crop material enters. A belt tensioning system includes a tension arm and a plurality of moveable rollers that move for maintaining tension in a forming belt while allowing a diametric size of the bale to increase during formation. A starter roll is positioned immediately upstream of the inlet relative to a rotational direction of the bale within the baling chamber during formation. The starter roll is moveable during bale formation in a direction at least partially directed toward a central transverse axis of the baling chamber to maintain a constant inward deformation distance into an exterior circumferential surface of the bale as the diametric size of the bale increases during formation.

The invention relates to a low-concentration gas intrinsically safe combustion device, which relates to the technical field of coal resource utilization and comprises a safe ignition unit, a multi-stage backfire prevention unit, a multi-blow-off prevention unit, a combustion chamber, a control unit and an explosion venting unit. The safety ignition unit adopts a staged ignition mode, and the 100% ignition success rate is achieved through a high-energy igniter and a combustion starter; the anti-backfire unit forms three-stage protection through a micro-channel, a quick shut-off valve and an anti-detonation flame arrester, and flame returning is blocked; the anti-blow-off unit is combined with a high-heat-insulation labyrinth type combustion chamber by means of the entrainment effect of a swirler and a flame retention module, so that flame is stable and does not break away; the control unit achieves automatic interlocking control through various sensors, and the explosion venting unit conducts directional explosion venting during overpressure. According to the device, the low-concentration gas with the concentration lower than 30% is subjected to intrinsic safety combustion, and the risks of backfire, blow-off and explosion can be avoided.

The invention provides a starting control method of an aircraft auxiliary power device. The aircraft auxiliary power device comprises an APU working state electronic regulator, an APU automatic starter, an APU starting box and an engine starting accessory. The APU starting box is connected with the starting generator; the method comprises the steps that when an APU automatic starter receives an aircraft APU starting instruction, the working time sequence of an engine starting accessory is controlled according to a set program, the APU automatic starter is matched with an APU starting box, and the output power of a starting generator is controlled in a grading mode through armature series resistor voltage reduction starting, full-voltage starting and weak magnetic speed regulation, so that the requirement for starting the engine is met, and the starting efficiency is improved. The purpose of smoothly starting the engine is achieved in a low-power-consumption and quick-starting mode.