114results about How to "Guaranteed power output" patented technology

The invention discloses an automatic dust removing device for a solar cell assembly. The dust removing device comprises a direct-current motor power supply switch, a direct-current motor, a ball screw, a linear guide rail and an electrostatic brush, wherein the electrostatic brush comprises an electrostatic generator and fan power supply switch, an electrostatic brush cover, a vent, an electrostatic generator, a fan, an electrostatic net, a dust absorption brush and a dust storage chamber; and the electrostatic brush moves up and down on the surface of the assembly during working and absorbs dust by using electrostatic effect, so that the purpose of removing the dust is fulfilled. The device has high automation degree and high work efficiency, saves a large amount of manpower and material resources, and can effectively remove the dust on the surface of the assembly so that the solar radiation intensity on the surface of the assembly is maximum and normal power output of the assembly is ensured; and through the device, hot spot effect in the assembly can be avoided, the assembly is protected, and the service life of the assembly is prolonged.

The invention provides a tacked traveling device and an obstacle-surmounting robot and relates to the technical field of tracked obstacle-surmounting robots. The tracked traveling device comprises a body, track mechanisms and at least one pair of rocker mechanisms; the track mechanisms are arranged on the two sides of the body respectively; the rocker mechanisms are arranged on at least one end ofthe body; each rocker mechanism includes a rocker body; the rocker bodies of the pairs of rocker mechanisms are connected through transmission shafts; the transmission shafts are in transmission connection with a cycloidal pin gear speed reducer; the cycloidal pin gear speed reducer is in transmission connection with a first driving mechanism; the first driving mechanism can drive the transmission shafts to rotate through the cycloidal pin gear speed reducer; the transmission shafts drive the rocker bodies in the pairs of rocker mechanisms to rock so that the rocking angles of the rocker mechanisms are adjusted. The obstacle-surmounting robot comprises the tracked traveling device. The problems are alleviated that, for instance, the obstacle-surmounting robot of the prior art has poor obstacle-surmounting capacity.

The invention discloses an external control variable displacement compressor torque compensating method and system. The method includes enabling an electronic injection EMS to collect an engine revolution signal to determine the current engine revolution value, connecting an air conditioner electronic control unit (ECU) through controller area network (CAN) communication to determine current control current of an external control variable displacement compressor and refrigerant pressure value, utilizing an internal MAP to obtain current torque value through a table look up method, and achieving real-time compensation of the whole automobile torque by adjusting parameters like oil injection quantity according to torque value required to be compensated. By means of a whole automobile and bench test method, the refrigerant pressure, control current of the external control variable displacement compressor, the engine revolution and the compressor torque are correlated, real-time compensation is conducted on the external control variable displacement compressor torque of a whole automobile, the external control variable displacement compressor torque compensation accuracy can be improved, and power output of the whole automobile and driving and taking comfort can be ensured.

The invention relates to a single-phase double-boosting bridgeless five-level rectifier based on a bidirectional tube plug-in type structure. The single-phase double-boosting bridgeless five-level rectifier based on the bidirectional tube plug-in type structure comprises an alternating current power supply Ug, a double-coupling magnetic winding N1, a double-coupling magnetic winding N2, a capacitor C1, a capacitor C2, switching tubes Q1, Q2, Q3 and Q4, diodes D1, D2, D3 and D8 and a load R. According to the circuit of the single-phase double-boosting bridgeless five-level rectifier based on the bidirectional tube plug-in type structure of the invention, a bridgeless design idea is expanded to the five-level Boost type rectifier, and five levels are realized by adopting different combination modes of the switching tubes; and when a bidirectional tube is in a fault state, the circuit can still realize the power output of a direct current side. The circuit of the rectifier has the advantages of small harmonic content and high anti-electromagnetic interference performance. The voltage stress of the switching tubes is greatly reduced, so that the working reliability of the circuit is improved; power factor correction can be achieved, and reliable load power supply can be guaranteed.

The invention discloses high-power LED (Light Emitting Diode) light source assembled street lamp and tunnel lamp, comprising a framework, lighting modules, a control box, a support and a controller, wherein the controller is arranged in the control box; the framework is formed by assembling an upper beam, a lower beam and left and right fixing frames, a plurality of lighting modules are arranged side by side in the framework and each lighting module can rotate from side to side along respective axis; the control box is fixed with the framework; and the support is fixed with the framework through the control box and also can be directly fixed with the framework. By means of the special lamp of the high-power LED light source assembled street lamp and tunnel lamp which is provided by the invention, the problems of general street lamps and tunnel lamps cannot be assembled on site according to practical situations and the light distribution curve, the power, the overall dimensions of the lamps cannot be regulated at will and the like can be solved; the design structure is reasonable; the light distribution curve of the lamps is adjustable, the power and the size can be easily changed; various road conditions can be adapted; and the best road surface lighting effect can be acheived.

The invention discloses a steering mechanism of a four-wheel-drive electric baby carriage for children. The steering mechanism of the four-wheel-drive electric baby carriage for the children comprisesa connecting rod, a left front wheel bracket and a right front wheel bracket, wherein the left front wheel bracket and the right front wheel bracket are movably riveted with the left and right ends of the connecting rod; the left front wheel bracket and the right front wheel bracket are correspondingly mounted on the left and right sides of the bottom of the front end of the frame through bearings; wheel assemblies are mounted on both the left front wheel bracket and the right front wheel bracket; a sliding sheet is arranged on the front side of the middle part of the connecting rod; and a slide groove for a shifting rod connected to the bottom of a steering disc to slide is formed in the sliding sheet in a front-and-back direction. According to the steering mechanism of the four-wheel-drive electric baby carriage for the children, the structure is reasonable; by improving the steering mechanism, the steering demands of the four-wheel-drive electric baby carriage for the children aremet; the power output of a front wheel of the electric baby carriage for the children is guaranteed; a traction force can also be provided during going uphill and turning; and situations such as slipping and rollover are prevented.

The invention provides an impedance matching circuit and an impedance matching method of a power amplifier based on power line carrier communication. The power line carrier communication comprises a signal modulator, a transmission end filter, the power amplifier and a first coupling transformer which are positioned at a transmission end and comprises a second coupling transformer, a receiving end filter, a signal modulator and a signal processor which are positioned at a receiving end. The impedance matching circuit of the power amplifier comprises a change-over switch, an impedance detecting unit and a switch control unit, wherein the impedance detecting unit is used for detecting load impedance of power lines, and the switch control unit is used for controlling changing-over of the change-over switch to adjust coil turn ratio of the first coupling transformer according to detecting results of the detecting unit so as to achieve mutual match of the load impedance of the power lines and impedance of the power amplifier. Compared with the prior art, the impedance matching circuit has the advantages of simple structure, convenience to control and the like.

The invention discloses a control method of an automobile variable-displacement compressor. Before an air conditioner is started, conformance judgment of request torque, outdoor temperature, evaporator temperature and system pressure is conducted first, and when all the data meets requirements, the air conditioner is started by increasing the idle speed and auxiliary torque. The method effectivelysolves the problems that an existing compressor is large in work torque fluctuation, an engine is impacted at the moment of start, and the dynamic property of the engine is influenced.

The invention provides a solar cell module. The solar cell module comprises a backboard layer (10), a first packaging material layer (20), a cell sheet layer (30), a second packaging material layer (40) and a glass layer (50) which are successively superposed. The second packaging material layer (40) comprises an upper packaging material layer (41), a lower packaging material layer (43) and a barrier layer (42) used for preventing metal cations of the glass layer (50) from entering into the cell sheet layer (30). The barrier layer (42) is arranged between the upper packaging material layer (41) and the lower packaging material layer (43). By using the technical scheme of the invention, a problem of a PID phenomenon existing in the solar cell module in the prior art is effectively solved.

The invention discloses a power amplifier control system and a method based on automatic level control. The device mainly comprises a controllable attenuation circuit and the like. A first input end of the controllable attenuation circuit is connected with signal input, a second input end of the controllable attenuation circuit is connected with an output control signal Vp of a differential integrating circuit, an output end of the controllable attenuation circuit is connected with an input end of a signal transmission circuit, an output end of the signal transmission circuit is connected withan input end of the final-stage power amplifier tube, and an output end of the final-stage power amplifier tube is signal output; a temperature detection circuit is used for detecting the temperatureof the power amplifier. A voltage control circuit can be added to reduce the static power consumption of the power amplifier tube. The power amplifier has the beneficial effects that the power consumption is reduced by adopting a method of reducing the static power consumption of the power amplifier tube besides a method of reducing the power, and finally, the minimum output power and the power amplifier power consumption under the minimum static state are very small, so that the power amplifier can keep certain power output under an extreme high-temperature condition, and the system keeps apart of communication functions.

The invention discloses an optical fiber F-P filter and a preparation method thereof, and solves the problems that translational dislocation and even inclined angle are liable to occur in the end surface processing course of the present optical fiber F-P cavity so that cascade spacing of the optical fiber F-P cavity can be reduced and miniaturization of the cascade filter can be realized. The adopted technical scheme is that two or more than two micron-scale holes are continuously carved on one optical fiber core in one step by using the excimer laser to manufacture a single optical fiber F-P filter or a cascade optical fiber F-P filter, the optical fiber end surface is replaced by the micron holes and the air medium is replaced by the optical fiber core so that transmission light is enabled to be reflected for multiple times between the micron holes to form interference, a pair of micron holes form the single optical fiber F-P filter, and multiple micron holes form the cascade optical fiber F-P filter.

The invention discloses a suspension type water chestnut digging machine which comprises a machine frame, two sets of depth limiting wheels, a lifting chain component, a rubber tooth roller, a positive and negative spiral spring shaft and two sets of land wheels. The digging shovel is driven to advance, the digging shovel is driven by the eccentric wheel to vibrate to shovel upturned soil, the upturned soil is subsequently shaken by the lifting chain component to be split into soil blocks, and then the soil blocks fall onto a spring screen surface formed by alternately arranging positive and negative spiral spring shafts after being hit and extruded by the rubber tooth roller to be crushed; large soil blocks fall on the surface of the spring screen and then are beaten and extruded by the two rubber tooth rollers to be further crushed, meanwhile, the positive and negative spiral spring shafts synchronously rotate backwards to rub a mixture of the soil blocks and the water chestnuts and drive the mixture of the water chestnuts and the soil to rotate, and the soil adhering to the water chestnuts is further removed; soil blocks fall on the ground through gaps between the positive and negative spiral spring shafts and gaps of the springs, and large soil blocks and water chestnuts are conveyed to the rear end of the machine through a rolling screen face composed of the positive and negative spiral spring shafts and laid on the ground.

The invention provides a numerical control four-wheel-drive electric controlling system comprising a steering angle coder, a speed given coder, five servo drivers, five alternating current servo motors and an industrial personal computer. The steering angle coder is used for collecting the steering angle and the steering speed of a vehicle; the speed given coder is used for collecting the target driving speed of the vehicle; the industrial personal computer determines to output five-path pulse signals to be sent to the five corresponding servo drivers according to the received steering angle, steering speed signals and target driving speed signals; the five servo drivers control operation of the five alternating current servo motors correspondingly; four of the five alternating current servo motors provide power for four hubs of the vehicle, and one of the five alternating current servo motors provide power for steering assist; and during vehicle driving, the four hubs has power output all the time, the four hubs operate synchronously at the time of straight driving, and the four hubs conduct speed interpolation according to the steering track at the time of steering driving. Smooth driving of the vehicle is guaranteed, and the safety of vehicle driving is improved.

The invention discloses a tail gas-driven turbine generating set for an internal combustion engine, which relates to the technical field of internal combustion engines. The tail gas-driven turbine generating set comprises a turbine (5), an air channel part (2), a turbine speed regulating mechanism part (6) and an engine part (3). The tail gas-driven turbine generating set can be used for supplying power to equipment such as automobiles, and can be used for driving an air conditioner of a vehicle body with electricity or supplying power to power storage equipment, so that the engine is not required to be used for driving an air conditioner compressor or driving a generator for charging a battery, power of an automobile is not consumed, the power output of the engine is ensured, tail gas is used for generating and supplying power, and the aims of saving energy, reducing emission and increasing the thermal efficiency of the internal combustion engine are fulfilled finally.

The invention discloses an outer pipeline detection robot and a walking method, the outer pipeline detection robot comprises an outer wall assembly and an inner wall assembly, the outer wall assembly and the inner wall assembly each comprise a plurality of electric control adsorption devices, and the electric control adsorption devices can be adsorbed on the outer wall of a detected pipeline; the outer pipeline detection robot further comprises a main shaft and a transmission assembly connected with the main shaft. When the main shaft rotates forwards, the transmission assembly drives the outer wall assembly to advance and drives the electric control adsorption devices on the outer wall assembly to alternately move close to and away from the detected pipeline; when the main shaft rotates reversely, the transmission assembly drives the inner wall assembly to advance. According to the outer pipeline detection robot and the walking method, the problem that in the prior art, a crawling robot is not suitable for long-distance oil and gas conveying pipeline outer wall detection is solved, and the purpose that the characteristics that the long-distance oil and gas conveying pipeline is gently arranged, long-distance operation is needed and the like can be achieved.

The invention discloses a unit type photoelectric-thermoelectric-hot water integrated integration system by use of a solar energy full spectrum in a middle-low temperature area. The composite system comprises a Fresnel lens light condensing module, a solar ray double-shaft automatic tracking module, a light splitting-reflecting module, an energy storing module, a photoelectric-thermoelectric composite power generating sub-system and a hot water sub-system. The system specifically comprises a Fresnel lens light condensing assembly, an stepping motors driven in an elevating-angle and an azimuth angle in a two dimensional manner, a turbine speed reducer, a double-shaft linked support moving component, a PLC light following control module, a light splitting-reflecting module, a photovoltaic power generating module, a semiconductor thermoelectric power generation module, a vanadium-titanium black ceramic composite ceramic plate energy storing module, a compulsory counter-flow type air cooling heat radiation assembly, a water storing water tank, a plate type heat exchanger, and circulation connection pipes of working medium on an oil side and a water side. The system is compact in structure and flexible to assemble, composite energy units can be easily integrated and used according to power requirements, and self-sufficient electric power and hot water of one family can be achieved.

The invention discloses a processing device of a paper tube anti-deformation structure with a support cylinder. The device comprises a working table, cross rods and a rolling shaft; a rotating machineoutdoor shell is installed on the upper portion of the left side of the working table, a first motor is installed on the inner side of the rotating machine outdoor shell, a chain is installed on theright side of the first motor, a rotating shaft is installed on the right side above chain, a fixed box is installed on the outer side of the rotating machine outer shell, a fixing base is installed on the inner side of the fixed box, a vertical shaft is installed below the cross rods, the cross rod is located on the inner side of the fixing base. According to the processing device of the paper tube anti-deformation structure with the support cylinder, by means of the first motor, the chain and the rotating shaft, the first motor provides power for the chain, the chain drives the rotating shaft to rotate to provide the power condition for paper tube processing, a user can be helped to make a paper tube formed, manpower waste is reduced, the paper tube production efficiency is improved, inspection and maintenance are facilitated, and power output is guaranteed.

The invention discloses a multi-rope traction warehouse cleaning machine. A plurality of traction machines simultaneously control respective corresponding traction ropes to adjust the circumferentialposition of a cantilever beam in a warehouse so as to adjust the circumferential position of a sweeping head in the warehouse; meanwhile, according to the warehouse cleaning machine, winding and unwinding of a sweeping head hanging rope are controlled through a winch so as to adjust the height of the sweeping head in the warehouse, and due to the fact that the tail end of the cantilever beam is supported through multiple traction ropes, the weight of the cantilever beam and the weight of the sweeping head are borne through the multiple traction ropes; and according to the lever principle, it can be known that the cantilever beam does not need to bear the weight of the sweeping head or bears little weight of the sweeping head, it can be guaranteed that the cantilever beam can conduct sweeping operation for a long time without breaking or other risks due to overlarge bearing, importantly, the cantilever beam can be greatly lengthened on the premise that normal use is guaranteed, the outer diameter and the wall thickness of the cantilever beam are greatly reduced, accordingly, a sweeper can adapt to sweeping of the cement warehouse with a larger radius range, and meanwhile the weightof the warehouse cleaning machine can be greatly reduced.