32results about How to "Easy to achieve modularity" patented technology

The invention belongs to the technical field of balance cars and particularly relates to a connection structure of a balance car frame. The connection structure includes a car frame body and two wheels which are arranged on both sides of a car body respectively; a controller capable of controlling the car body to stay in balance automatically is arranged in the car frame body, a hub motor is arranged in each wheel, a rotating shaft is arranged in each hub motor, and the car frame body comprises a left pedal and a right pedal; a connecting rod is arranged in the car frame body, the left side ofthe connecting rod is fixed to the right side of the left pedal, the right pedal is rotatably connected with the connecting rod, a rotating shaft of the left wheel is fixedly arranged on the left pedal, and the right wheel is fixedly arranged on the right side of the connecting rod. The connection structure of the balance car frame aims at achieving the effects that installation is convenient andsteering is flexible.

The invention relates to the technical field of three-dimensional integrated circuit application, and provides a system-in-package unit structure of a triaxial MEMS (micro-electromechanical system) inertial sensor. The system-in-package unit structure comprises a cuboid substrate and a metallized pattern which is plated on the surface of the substrate and used for electrical connection of the MEMS inertial sensor; orthogonal encapsulation of the triaxial MEMS inertial sensor is unitized, polished ALN is taken as a base material, and requirements for low stress, flatness and orthogonality of assembly of the MEMS inertial sensor are met; the metallized pattern has very good adaptability and can meet the assembly requirement of multiple types of MEMS inertial sensors; with the adoption of the unitized encapsulation structure form, modularization and standardization of the triaxial inertial sensor unit are conveniently realized, triaxial orthogonal assembly of the sensor can be realized without installation of any bracket, the size and the weight are reduced, the efficiency is improved, errors are reduced, the cost is low, the applicable range is wide, and the practicability is high.

A novel modular multilevel converter sub-module topology circuit and its control method. The invention relates to the field of DC transmission and distribution protection and control of power systems, in particular to an MMC sub-module topology circuit with DC side fault ride-through capability and a control method thereof. Provided are a new modular multilevel converter sub-module topology circuit and a control method thereof with high modularization degree, higher reliability, stronger forward and reverse fault suppression current capability, and more balanced. Including an incoming line port X and an outgoing line port Y, at least two half-bridge sub-modules are connected in series between the incoming line port X and the outgoing line port Y, the half-bridge sub-module has an input port, an output port 1 and an output port 2, The power switch device can be IGBT or MOSFET. The invention has strong fault current suppression ability.

The invention discloses a combined type straightening machine. The combined type straightening machine comprises at least three detachable straightening roll devices. Each straightening roll device is connected with a drive device. Every two adjacent straightening roll devices are movably connected and arranged in an up-down staggered mode. Plates or profiles are straightened by the straightening roll devices by penetrating through the straightening roll devices which are arranged in the up-down staggered mode. According to the combined type straightening machine, the straightening roll devices are movably connected and arranged in the up-down staggered mode, and compared with an existing straightening machine of a fixed structure, the roll number and the roll distance of the straightening machine can be changed by increasing or decreasing the number of the straightening roll devices according to needs without replacing the whole straightening machine. The weight of a machine frame of the straightening machine can be lowered, the size can be decreased, the rigidity can be improved, and the straightening technological requirement of the plates or profiles of different thicknesses can be met. Moreover, each straightening roll device is connected with the corresponding drive device, and the roll speed of each straightening roll device can be automatically adjusted, so that the plates or the profiles are better straightened.

The invention discloses a drive axle for an electric vehicle or a hybrid electric vehicle. The drive axle comprises a motor stator, a differential, a driving conical gear, a damping steering shaft, a damping spring and a steering input conical gear, wherein the motor stator is fixed on a vehicle body; the differential is fixedly connected with a motor rotor; the driving conical gear is arranged at the output end of an axle shaft; the middle of the damping steering shaft is provided with a steering output conical gear; the lower part of the damping steering shaft passes through a shaft barrel;the shaft barrel is provided with a first conical gear and a second conical gear; the steering input conical gear is engaged with the steering output conical gear; a driving input conical gear is engaged with a first spline conical gear and a driving output conical gear at one end of a wheel driving shaft; and the other end of the wheel driving shaft is connected with wheels in a matching way. The drive axle has the advantages of compact structure, vehicle space saving, gear transmission among functional parts, high efficiency, long service life and convenient disassembly and maintenance.

The invention discloses a jet electroplating device applicable to a terminal electrode. The jet electroplating device comprises a plating solution storage box used for storing a plating solution, a jet assembly, an electroplating power source and a controller, wherein the jet assembly is connected with the plating solution storage box and is opposite to a plating piece; the jet assembly, the plating piece and the electroplating power source are connected to form a closed electroplating loop; and the controller is connected with the electroplating power source and the jet assembly, and is used for controlling currents and / or voltage externally added on the closed electroplating loop. According to the jet electroplating device, the automation is achieved under the control of the controller; and besides, the device is water-saving and electricity-saving, and is small is floor space, so that the modularization of the electroplating procedure is achieved, and the automation upgrading of the production line is accelerated.

The invention discloses a beam shaping illumination system of a semiconductor laser array, which comprises the semiconductor laser array, an optical system for transforming beam divergence angles of a fast axis, a device for deflecting angles of beams in the fast axis direction, and an optical system for transforming divergence angles of a slow axis and deflecting the beams in the slow axis direction. The system has a key point that the superposition effect of Gaussian beam parts of a plurality of laser units is formed in a distant field by controlling the deflection degree of beam transmission axes of each laser unit in the fast axis and slow axis directions respectively so as to construct illumination beams according with field coverage requirements. The system has the characteristics of high efficiency, simple structure, low cost, integration and practicability, and is particularly applicable as an illumination light source of area array imaging laser radar and active laser illumination detecting systems.

The invention relates to a flowing phase change and energy storage falling film evaporative heat exchange device. An inlet of a water pipe is connected with a pressing-out end of a water pump, an outlet of a water pipe is connected with an inlet of a solar heat collector through a first pipeline, an outlet of the solar heat collector is connected with a sucking-in opening of the water pump through a second pipeline, a first electromagnetic valve is arranged at the inlet end part of the solar heat collector, a second electromagnetic valve is arranged at the outer end part of the solar heat collector, a third electromagnetic valve is arranged on a third pipeline, a fourth electromagnetic valve is arranged on a fourth pipeline, the outlet end of a phase change microemulsion discharging pipe is connected with the sucking-in end of a stainless steel magnetic pump, an inlet of each of a plurality of groups of phase change microemulsion outer surface reinforcing pipe beams is communicated with one end of a fifth pipeline, the other end of the fifth pipeline is connected with the pressing-out end of the stainless steel magnetic pump, an outlet of each of the plurality of groups of phase change microemulsion outer surface reinforcing pipe beams is communicated with one end of a sixth pipeline, and the other end of the sixth pipeline is connected with a phase change microemulsion feeding pipe of an energy storage tank. The flowing phase change and energy storage falling film evaporative heat exchange device can be used in a solar-air energy coupling heat pump system.

In order to realize the resource utilization of sludge, the present invention describes a sludge automatic fuelization device based on a solar greenhouse, including a pretreatment device, a drying device and a control device, and the pretreatment device is arranged on the upper part of the drying device , the pretreatment device and the drying device are respectively connected with the control device; the present invention also records a method for automatic fuelization of sludge based on solar greenhouses, adding sludge powder, desiccant and combustion accelerant in a certain proportion to the pretreatment After the treatment device, after stirring evenly, the stirred mixture is automatically discharged to the drying device through the control device, and the sludge drying process is realized by using the greenhouse effect of solar energy and the suction effect of the chimney. The invention belongs to the technical field of sludge treatment, realizes fuel utilization and resource treatment of sludge, replaces a part of fossil energy, and has huge economic benefits.

The invention discloses a magnetic suspension cylindrical linear movement guide rail pair. The magnetic suspension cylindrical linear movement guide rail pair comprises supporting racks which are installed at the two ends of a pedestal, cylindrical supporting guide rails which are installed on the supporting racks, and magnetic suspension movable guide rails and magnetism isolating plates which are sleeved on the cylindrical supporting guide rails, and an organ-type shield, wherein the magnetism isolating plates are installed on the two sides of the magnetic suspension movable guide rails; displacement sensors are installed in the circumferential directions of the magnetism isolating plates; and a counter bore is formed on the pedestal and is used for installing the guide rail pair on a lathe body. The magnetic suspension cylindrical linear movement guide rail pair is reasonable in structure, integrates the advantages that the cylindrical guide rails are easy to process and magnetic suspension supports are free of contact and abrasion, high in speed, high in precision and are not required to be lubricated and sealed, can structurally decouple magnetic fields between a power source and the magnetic suspension guide rail pair and each magnetic support in the magnetic suspension guide rails easily, can serialize and modularize functional components of a lathe easily, and can meet a requirement for the performance of a linear feeding system of a high-speed and high-precision numerically-controlled lathe.

The invention provides a system and a method for actively correcting an offset drift and a wire bonder. Collimating mirrors, a spectroscope, a coaxial-light emitter and a back reflector are arranged reasonably; a difference value of different positions, on a target surface of an imaging system detector, of a metal ball formed by a capillary tip at different time points during work is determined as offset drift amount of the distance between the capillary and the imaging system; and a parameter about the distance between the capillary and the imaging system is corrected according to the offset drift amount. The offset drift amount of the distance between the capillary and the imaging system can be accurately measured and corrected in real time, so that welding accuracy of the wire bonder is guaranteed, and rate of finished chip is increased. Besides, the system for actively correcting the offset drift and the wire bonder are simple in structures, low in cost and convenient to modularize.