78results about How to "Quick start and stop" patented technology

Apparatus for vaporizing a particulate material, comprising a metering apparatus including: a reservoir; a housing having an internal volume and first and second openings for respectively receiving and discharging the particulate material; a rotatable shaft disposed in the internal volume, the shaft having a smooth surface and a circumferential groove for receiving particulate material from the reservoir and for discharging the particulate material; the rotatable shaft and the internal volume cooperating such that the particulate material is transported by the circumferential groove and not along the remainder of the rotatable shaft; a scraper disposed in relation to the second opening, having at its end substantially the same cross section as the groove in the rotating shaft, the scraper cooperating with the groove to dislodge particulate material retained therein, and in response to the shaft rotating, delivers metered amounts of particulate material through the second opening; to the flash evaporator.

The invention relates to a system for quickly starting and stopping an engine of a hybrid vehicle and a control method for the system. The system comprises a whole vehicle controller, and the engine and an engine controller, a generator and a generator controller, an energy storage device and an energy storage device controller, and a driving motor and a motor controller which are respectively connected with the whole vehicle controller in a control manner, wherein the engine controller comprises an engine stopping judgment logic module, an engine stopping logic module, an engine starting judgment logic module and an engine starting logic module. By adoption of the system, the engine can work efficiently; the fuel oil consumption of the engine is reduced; and the atmosphere pollution is reduced.

The invention discloses a method for inhibiting peak starting current of a start-stop motor. The method includes that firstly a relay with a current limiting resistor is added to a main start-stop motor loop comprising a storage battery, an ignition switch, a contact of an electromagnetic switch and the start-stop motor, and two binding posts of the current limiting resistor and the relay are parallelly connected and then connected between the ignition switch and the contact of the electromagnetic switch; and secondly, a power supply of the storage battery supplies power for coils of the relay and the electromagnetic switch respectively. The invention further discloses a relay for achieving the method for inhibiting peak starting current of the start-stop motor and a start-stop motor for implementing the method for inhibiting peak starting current of the start-stop motor. According to the method, the relay and the start-stop motor, the current limiting resistor is cut in or cut out when ignition is performed in the start-stop motor loop, so that overlarge starting current can be inhibited at the moment of starting of the start-stop motor so as to achieve the purpose of prolonging the service life of the start-stop motor.

The invention belongs to the technical field of transferring machines and discloses a rising and falling horizontal transferring machine which comprises a transferring machine support, a rising and falling moving assembly and a horizontal moving and plate conveying assembly. A layer limit switch is arranged on the transferring machine support. The rising and falling moving assembly drives a risingand falling moving framework through a three-phase asynchronous band-type brake motor. The rising and falling moving framework is dragged through a chain. The horizontal moving and plate conveying assembly comprises a horizontal moving device and a plate conveying device. The horizontal moving device is provided with a horizontal limit switch, and a horizontal moving direct-current speed reducingmotor drives a horizontal moving bottom plate. The plate conveying device is provided with a plate in-place switch, and a plate conveying direct-current speed reducing motor drives a pattern conveying belt to drive a tool plate. The rising and falling horizontal transferring machine is simple in structure and reliable in performance, and the problem of connection between single triple speed chains of an inlet and an outlet of an aging house and multi-layer triple speed chain in the aging house can be solved.

The invention belongs to the technical field of steel bar hoop bending equipment, and particularly relates to a hoop bending machine. The hoop bending machine comprises a machine frame. The machine frame is provided with a drawing mechanism, two straightening mechanisms, a bending mechanism and a shearing mechanism. The straightening mechanisms comprise the front-back straightening mechanism and the top-bottom straightening mechanism, the front-back straightening mechanism and the top-bottom straightening mechanism are arranged on the two sides of the drawing mechanism respectively, and a pay-off rack is arranged in front of the front-back straightening mechanism. The drawing mechanism comprises a pressing wheel set, a drawing wheel set and supports, wherein the pressing wheel set and the drawing wheel set are arranged in parallel in the vertical direction in a matched mode, the end, where a driving drawing wheel of the drawing wheel set is located, of a drawing input shaft is connected with a synchronous belt drive mechanism, and a pressing mechanism is arranged corresponding to each pressing wheel. The bending mechanism comprises a case, a main shaft and a bending shaft, the main shaft is arranged in the case and connected to the synchronous belt drive mechanism, a central shaft is installed at one end of the main shaft, a bending sleeve is arranged between the main shaft and the case in a sleeving mode, and the bending shaft is arranged on the side, close to the central shaft, of the bending sleeve. The hoop bending machine is high in automation degree, high in response speed of high speed start and stop and forward and reverse rotation, short in machining cycle and low in cost.

The invention discloses a hybrid power assembly having four-wheel drive characteristics and a vehicle assembled with the same. The power assembly comprises a first power driven system, a second power driven system and a vehicle integrated control unit, wherein the first power driven system comprises an engine, an engine electric control unit and a first gear shifting mechanism; the input end of the first gear shifting mechanism is connected with the engine through a clutch and the output end of the first gear shifting mechanism is connected with a vehicle front wheel; the second power driven system comprises a power battery stack, a management system of the power battery stack, a main motor system, and a second gear shifting mechanism; the input end and the output end of the main motor system are connected with the power battery stack and the second gear shifting mechanism respectively; the second gear shifting mechanism is connected with a vehicle back wheel; and the electric control unit of each component is connected with the vehicle integrated control unit through a bus. In the hybrid power assembly and the vehicle assembled with the hybrid power assembly, the vehicle integrated control unit is used for distributing vehicle power, which realizes not only the drive between a front axle and a back axle, but also the biaxial four-wheel drive; besides, the power assembly has the advantages of no direct mechanical coupling at the front and the back drive parts, high reliability, and easy implementation.

The invention discloses an ultralow NOx pulverized coal burner. The ultralow NOx pulverized coal burner comprises a secondary air box, an electric gate damper, a primary air pipe, a secondary inner air pipe and a secondary outer air pipe, wherein the primary air pipe, the secondary inner air pipe and the secondary outer air pipe are arranged coaxially; an inner secondary air chamber and an outer secondary air chamber are arranged in a secondary air box; one end of the inner secondary air chamber is communicated with an inner secondary air flue between the primary air pipe and the secondary inner air pipe, and the other end of the inner secondary air chamber is provided with a first return flow air opening and an inner secondary air opening; one end of the outer secondary air chamber is communicated with an outer secondary air flue between the secondary inner air pipe and the secondary outer air pipe, and the other end of the outer secondary air chamber is provided with a second return flow air opening and an outer secondary air opening. Low-oxygen air with different concentrations is conveyed in a classified mode through the two air flues, the oxygen concentration of a combustion area and the peak value temperature of flame are lowered as much as possible, pulverized coal is combusted in an oxygen debt mode, and the environment of the combustion area is in reduction atmosphere. An oxygen-lack rich-fuel area is formed at the root of the flame, generation of NOx is effectively reduced, low NOx emission is achieved, and the environment protection requirement is met.

The invention discloses an electrode type molten salt heater. The electrode type molten salt heater is characterized by comprising an electrode bracket, control shields, three-phase electrodes, neutral electrodes, a power interface, a screw, a movable type connector and a supporting plate which is positioned in an opening of a lower semi-elliptical end socket, wherein the three-phase electrodes are arranged on the inner part of a barrel body; the three-phase electrodes are distributed in the form of a regular triangle inside the barrel body and are supported by the electrode bracket; the upper parts of the three-phase electrodes are connected to the power interface; the circular-ring-shaped neutral electrodes cover the three-phase electrodes; the control shields are arranged between the three-phase electrodes and the neutral electrodes; and a motor drives the screw, the movable type connector and the control shields to rotate or lift, so that an opposite area between the three-phase electrodes and the neutral electrodes is changed. The electrode type molten salt heater has the advantages of being high in heating efficiency, compact in structure, small in floor space, excellent in safety performance and the like.

The invention relates to a multifunctional numerical control fine sawing machine, and belongs to the technical field of material cutting. The multifunctional numerical control fine sawing machine comprises a supporting device, a control system, a conveying device and a cutting device, wherein the conveying device is arranged on the supporting device, and the cutting device is arranged on the supporting device and matched with the conveying device. The conveying device comprises a pushing structure and a clamping structure which are arranged at the two ends of the conveying device respectively. The clamping structure comprises an opening part which is arranged on the pushing structure and used for controlling the clamping structure to be opened, a closing handle which is arranged on the supporting device and matched with the opening part, and a clamping device which is connected with the closing handle. According to the technical scheme, the multifunctional numerical control fine sawing machine is fully automatic, capable of well fixing materials at the cut position and capable of automatically packaging and arranging the fixed materials.

The invention discloses a lifting device controlled by screw rod step motors. The lifting device is characterized in that the bottom of a first vertical rod is connected with a first roller through a first pin shaft; the bottom of a second vertical rod is connected with a second roller through a second pin shaft; a sliding groove and a straight groove are formed in each of the first vertical rod and the second vertical rod; a heavy rod is put in the sliding grooves in the vertical rods on two sides; a first threaded rod is arranged on a first screw rod step motor; a first spiral block is arranged on the first threaded rod; a first iron block is welded at the top end of the first threaded rod; a second threaded rod is arranged on a second screw rod step motor, a second spiral block is arranged on the second threaded rod; a second iron block is welded at the top end of the second threaded rod; one end of a supporting frame is connected with the spiral blocks through the straight grooves, and the other end of the supporting frame is connected with the heavy rod. The lifting device is novel in structure and reasonable in design, an elevator can be quickly started and stopped and can perform a quick lifting function through the screw rod step motors; with the arrangement of the rollers, people can move the lifting device conveniently.

The invention discloses a smart home control system, and relates to the technical field of information identification and control. The system comprises an information processing module and an acquisition control module, the information processing module comprises a face recognition module and a voice recognition module; the acquisition control module comprises an image acquisition module and an audio acquisition module; according to the invention, intelligent household control is carried out by using the above modules based on face recognition and voice recognition technologies; the control flow of the smart home system is effectively simplified, quick start and stop and personalized configuration of the smart home appliances can be realized according to identity information and voice instructions of a user, meanwhile, the system can also realize independent configuration of each room, diversified control requirements are met, and the system has higher practicability.

The invention relates to the technical field of mechanical parts machining, in particular to a belt pulley and a manufacturing method thereof. At present, the belt pulley is mainly made by adopting acasting method, the cost is high, the production efficiency is low, pollution to the environment is serious in the casting process, the product weight is high, fast starting and stopping are difficultto realize, and heat generated during working is not easy to dissipate. According to the technical scheme, the pressing and welding processes are adopted to make the belt pulley, a metal sheet is made into a belt groove ring body with grooves, a wheel rim ring body and a wheel spoke plate body, then the belt groove ring body, the wheel rim ring body, the wheel spoke plate body and a shaft sleeveare welded to form a wheel body, and in the process of machining of the wheel rim ring body, a plurality of through holes are punched in a rim surface for heat dissipation of the bottom of a belt groove. According to the belt pulley and the manufacturing method thereof, various metal materials can be selected for making the belt pulley, the machining difficulty and the cost are reduced, the production efficiency is greatly improved, environmental pollution is reduced, the weight of a wheel body is reduced, the heat dissipation ability is enhanced, and the situation that the equipment is drivento start and stop quickly is realized.

A screen lifting and folding device comprises a main bracket; the left side and the right side of the main bracket are provided with guide rails correspondingly, and the two guide rails are both provided with guide rail slide blocks; the guide rail slide blocks are connected with the front side surface of a screen; the front side surface of the screen is fixedly provided with a connection piece, and the connection piece is connected with a lifting mechanism; a rotary shaft is installed at the lower end of the screen, and the screen is hinged to a screen driving plate bracket through the rotaryshaft; the screen driving plate bracket is provided with a screen displaying driving circuit board and hinged to one end of a swing rod; the other end of the swing rod is hinged to a supporting seatthrough a pin shaft; and the supporting seat is fixedly connected with the main bracket. According to the screen lifting and folding device, two motions are achieved through one set of drive, the space of a motion mechanism is effectively decreased, the device installation space is saved, and the structure is simple; a stepping motor is high in control precision, and starting, stopping and reverserotation response are quick; and a stroke protection device is arranged, and the safety of the screen lifting process is ensured.

The invention relates to a steel-plate electric flat carriage control device which comprises an electric flat carriage, a track and a cable. The electric flat carriage is assembled on the track through wheels, a cable duct mutually parallel to the track is arranged beside the track, a cable bridge is put in the cable duct, a steel structure support is arranged at one end of the electric flat carriage, a spring-type cable drum is arranged on the steel structure support, one end of the cable is electrically connected with three-phase current of a power distribution cabinet, the free end of the cable is wound in the cable drum, and a rotary sliding ring of the cable drum is exposed and then is electrically connected with a three-phase alternating-current asynchronous motor. The cable of the device can move together with the electric flat carriage, the cable outside the cable drum rightly falls into the cable duct, the alternating-current asynchronous motor of the electric flat carriage is connected with the power distribution cabinet through the cable, and rapid start and stop of the three-phase alternating-current asynchronous motor are achieved. The steel-plate electric flat carriage control device is simple, controllable and convenient to operate. Due to the fact that a power supply is low-voltage 380 V, voltage drop is small, and the shortcomings of an original electric flat carriage can be overcome.

The invention provides an automatic control circuit for welding with trailing peening. According to the circuit, an AT89C52 single-chip microcomputer acts as the core, a self-designed electromagnetic hammer acts as equipment for welding with trailing peening, temperature acquisition is performed on a welding bead in a tracking way by using a noncontact online infrared thermodetector, and a stepping motor acts as a driving device. The peening parameters can be accurately controlled by the circuit, the welding pores and fractures and other defects of a test piece can be obviously improved, the system is easy to control and can perform quick startup and shutdown and accurate positioning, the circuit is compact in structure, high in control accuracy, high in efficiency and great in adaptability, and the cost is reduced so that the objective of automatic welding with trailing peening can be realized.

The invention discloses an open type robot training platform based on sectional material setting up and belongs to the technical field of education robots. The training platform comprises a machine frame, a driving device mounting base, an upper rotating table, a lower rotating table, a first driving device, a second driving device, a first branch chain, a second branch chain, a tail end executing mechanism and a working platform. The machine frame is formed by straight line aluminum profile rod pieces in a setting-up mode. The first branch chain comprises the upper rotating table, a first driving arm and a first driven arm. The second branch chain comprises a lower rotating table, a second driving arm and a second driven arm. The tail end executing mechanism comprises an executing support rod and an executing tail end mounting plate. The training platform is a typical mechatronics system, advanced technologies such as machinery, electronics, computer software and hardware, control, artificial intelligence and modeling are integrated, the platform meets the related requirements for teaching using, autonomous functions such as track planning, writing and grabbing can be completed, good cost performance, openness and expandability are achieved, and meanwhile function modules can be increased and decreased according to needs conveniently for innovation.