16 results about "Harmonic reduction" patented technology

A packaged transistor device includes an RF signal input lead, an RF signal output lead, and a discrete transistor having a transistor structure arranged and / or formed on a substrate. The packaged transistor device also includes at least one harmonic reduction circuit arranged and / or formed on the substrate of the discrete transistor.

The present application provides a real-time optimization method, system and device for inverter output voltage harmonics, the method comprising: obtaining control parameters of an inverter; controlling the inverter to work according to the control parameters and obtaining N waveforms corresponding to N periods; decomposing the N waveforms to determine a to-be-processed waveform harmonic; when the amplitude of the to-be-processed waveform harmonic exceeds a harmonic threshold, a first optimization mode is used for optimization processing; when the amplitude of the to-be-processed waveform harmonic does not exceed the harmonic threshold, a second optimization mode is used for optimization processing. A method combining two harmonic reduction technologies is used, when the harmonic amplitude is small, the active filter function of the auxiliary inverter is used to reduce the harmonic, and the SHEPWM complex calculation is not used, when the harmonic amplitude is large, the SHEPWM technology is used to eliminate the harmonic, and the flexibility of inverter control is improved.

The present invention provides a harmonic reduce control system for controlling an inverter, including a phase-locked loop controller, a voltage sum loop controller, a repetitive controller, a current loop controller, and a harmonic obtaining module. The harmonic obtaining module detects a harmonic value of a load current. The control system generates an inverter current reference value based on a first current value output by the voltage sum loop controller and the harmonic value, calculates a real-time frequency value based on a voltage of the power grid, obtains, through calculation, a repetitive controller output value based on the inverter current reference value, the inverter output current, and the real-time frequency value, and outputs a first duty cycle based on the repetitive controller output value. The control system limits the inverter output current based on the first duty cycle.

A packaged transistor device includes an RF signal input lead, an RF signal output lead, and a discrete transistor having a transistor structure arranged and / or formed on a substrate. The packaged transistor device also includes at least one harmonic reduction circuit arranged and / or formed on the substrate of the discrete transistor.

This invention discloses a dual-motor harmonic reduction geared workbench, relating to the technical field of harmonic reduction transmission equipment. It includes a base and an outer motor housing. The top surface of the base is fixedly mounted to the outer motor housing. An upper housing is mounted on the top surface of the outer motor housing, and an output flange is rotatably mounted on the upper housing. A first driving component is installed inside the outer motor housing. A second driving component is installed inside both the outer motor housing and the upper housing. An output internal gear ring is rotatably mounted inside the upper housing, with its top surface fixedly mounted to the output flange. A flexible wheel is disposed inside both the outer motor housing and the upper housing. Through the coordinated operation of the two motors, high-speed rotation of the output flange can be achieved. Furthermore, through the independent operation of the second driving component, low-speed, high-torque output can be achieved based on the harmonic low-tooth-difference transmission principle. This allows the same equipment to be compatible with both high-speed light-load and low-speed heavy-load operating conditions, meeting the production needs of alternating complex on-site operations.

This invention discloses an intelligent force-controlled joint module, comprising: a power component; a harmonic reduction output component, the harmonic reduction output component including a harmonic reducer, the harmonic reducer being mounted on the power component and connected to the motor shaft of the power component for transmission, thereby reducing the rotational power transmitted from the power component, increasing the torque, and then outputting it to perform work; a torque sensing component, the torque sensing component including an embedded torque sensor, the embedded torque sensor being simultaneously mounted on the power component and the harmonic reduction output component, for detecting and sensing the external load connected to the output end of the harmonic reducer; and a detection control component, the detection control component including a speed detection component and a control component, the speed detection component being mounted on the power component, simultaneously detecting the high speed of the motor shaft and the low speed of the output end of the harmonic reduction output component. This invention features a reasonable structural design, high integration, compact structure, small overall size, convenient installation, and simple use.

The utility model discloses a short-tube harmonic speed reduction module for an intelligent robot with a body, which comprises a motor casing, a harmonic speed reduction module, a harmonic speed reduction module and a harmonic speed reduction module, and is characterized in that a motor component is arranged in the motor casing; a mounting groove is formed in the transverse right end surface of the motor shell; the casing end cover is fixed at the transverse left end of the motor casing, the center of the casing end cover protrudes outwards to form a section of step, and the outer edge of the step is a bearing interface which is used for being connected with external equipment; the left side of an end cover of the brake assembly is fixedly connected with the motor shell through a mounting groove; the right side of the end cover of the brake assembly extends into the cavity of the harmonic reducer flexible gear; the double encoders are arranged between the rotor part of the motor assembly and the left end face of the motor shell; wherein the motor assembly, the brake assembly and the harmonic reducer are sleeved on a shaft of the flange; the steel wheel end face of the harmonic reducer is fixedly connected with a flange plate of the flange. The motor casing extends axially to form a mounting cavity, and the driver assembly is mounted in the mounting cavity.

The utility model discloses a kind of split wave generator harmonic reducer devices, comprising: mandrel, the radial of the mandrel has protruding installation part, the first guide rail slot is on the installation part;Input shaft, the input shaft clearance sleeve is set outside mandrel, the end surface of the input shaft has second guide rail slot;Cross slider, the first slider and second slider are on the cross slider, the cross slider is sleeved on mandrel, and first slider is loaded into first guide rail slot, and second slider is loaded into second guide rail slot;The input shaft is provided with screw hole along radial, screw is screwed into the screw hole, and the end surface of screw and cross slider is contacted to fasten cross slider.Harmonic reducer device includes the split wave generator described above, the outer ring of the input shaft is connected with the bearing of harmonic reducer the utility model split wave generator and harmonic reduction device, can be separately more worn cross slider or mandrel, without overall disassembly, reduce maintenance cost, can better transmission movement and power, simultaneously can also reduce wear and tear and improve accuracy.

The utility model relates to a harmonic speed reduction joint motor module integrated with a torque sensor, comprising a motor assembly, a controller assembly and a harmonic speed reducer, the controller assembly comprises a controller buckle cover and a circuit board A, the controller buckle cover is fixed with one end of a housing, an installation cavity is formed between the controller buckle cover and the housing, the circuit board A is fixed in the installation cavity, and the circuit board A is fixed in the housing. A wiring terminal is arranged on the circuit board A, a wire passing hole is formed in the controller buckle cover, a power supply and signal wire harness is connected with the wiring terminal through the wire passing hole, and a wiring cover is further fixed on the wire passing hole; the harmonic reducer comprises a wave generator, a flexible gear, a steel wheel, a bearing inner ring and a bearing outer ring, an output disc is further fixed to the bearing outer ring, and a torque sensor is further fixed to the output disc; the high-precision robot joint meets the strict requirements of compactness, reliability and dynamic response performance of the high-precision robot joint, and meanwhile line connection operation of the high-precision robot joint is more convenient.

A packaged transistor device includes an RF signal input lead, an RF signal output lead, and a discrete transistor having a transistor structure arranged and / or formed on a substrate. The packaged transistor device also includes at least one harmonic reduction circuit arranged and / or formed on the substrate of the discrete transistor.

In an example, an amplifier is provided. The comprises a first pair of transistors comprising a first transistor and a second transistor. The amplifier also comprises a first trace connected to a drain of the first transistor, and a second trace connected to a drain of the second transistor. The amplifier also comprises a harmonic reduction first circuit comprising a harmonic reduction first subcircuit and a harmonic reduction second subcircuit. The harmonic reduction first subcircuit comprises a first inductor and a first capacitor. The first inductor and the first capacitor are connected between a first node and a first reference voltage. The harmonic reduction first subcircuit also comprises a second inductor. The second inductor and one of the first capacitor and a second capacitor are connected between a second node and the first reference voltage. The harmonic reduction second subcircuit comprises a third inductor and a third capacitor. The third inductor and the third capacitor are connected between the first node and the first reference voltage. The harmonic reduction second subcircuit also comprises a fourth inductor. The fourth inductor and one of the third capacitor and a fourth capacitor are connected between the second node and the first reference voltage. The amplifier further comprises a third trace connected to the first node. At least part of the third trace is adjacent and substantially parallel to a first at least part of the first trace. The amplifier further comprises a fourth trace connected to the second node. At least part of the fourth trace is adjacent and substantially parallel to a first at least part of the second trace.

The utility model belongs to the technical field of universal harmonic speed-reducing joint modules of robots, and particularly relates to a universal harmonic speed-reducing joint module of a robot, which comprises a harmonic speed-reducing joint module body, and the front end of the harmonic speed-reducing joint module body is connected with a connecting flange. An oil injection hole is formed in the top end of a shell of the harmonic speed reduction joint module body, an annular supporting block is mounted in the oil injection hole, a filter screen is connected to the top end of the annular supporting block, a mounting block is connected to the top end of the filter screen, and a bolt is connected to the top end of the mounting block in a penetrating and threaded mode. According to the utility model, the filter screen is assembled in the oil injection hole, so that the problem that impurities are carried when lubricating oil is directly added is effectively reduced, and the filter screen is used for filtering, so that the cleanliness and the lubricating effect of the lubricating oil are ensured, and the abrasion degree and the fault occurrence rate of parts are obviously reduced. And the service life of the harmonic speed reduction joint module body is further prolonged.

The invention discloses an encapsulation sealing harmonic gear motor, which relates to the technical field of motors and comprises a rotor shaft, a stator group, a harmonic reducer and a casing. A cavity is formed in the machine shell, one side of the cavity is provided with an end face with a through hole formed in the center, the other side of the cavity is provided with an opening, and the rotor shaft, the stator set and the harmonic reducer are coaxially arranged in the cavity of the machine shell. The stator group is embedded and fixed on one side, provided with the end face, of the casing, and the two sides of the end face of the stator group are coated with a potting layer; a penetrating through hole is formed in the center of the stator group, and the rotor shaft coaxially penetrates through the hole of the stator group and can freely rotate; one end of the rotor shaft extends and passes through the end face through hole of the casing, and the other end is in transmission connection with the input end of the harmonic reducer. The input end side of the harmonic reducer abuts against the cavity opening of the machine shell in a sealed mode, and the harmonic reducer and the machine shell jointly define a sealed cavity. According to the potting seal, the volume and the weight of the motor are reduced while the sealing effect of a traditional oil seal structure is achieved.

The application provides a harmonic reducer, a rotary motor, a harmonic joint and a robot. The harmonic reducer comprises a steel wheel, a wave generator, a flexspline and an output encoder. The steel wheel has a first accommodating space. The wave generator is arranged in the first accommodating space and connected with the rotary motor. The flexspline is arranged between the steel wheel and the wave generator, and the flexspline is engaged with the steel wheel. The wave generator is used to drive the flexspline to rotate. The output encoder comprises a code disc and a circuit board. The code disc is arranged on the flexspline, and the circuit board is arranged in a spaced manner with the code disc. In this way, the torque can be increased, the output encoder can be integrated on the flexspline of the harmonic reducer, the volume of the harmonic reducer and the output encoder can be reduced, and miniaturization can be realized.

In an example, an amplifier is provided. The amplifier comprises a first pair of transistors comprising a first transistor and a second transistor. The amplifier also comprises a first trace connected to a drain of the first transistor, and a second trace connected to a drain of the second transistor. The amplifier also comprises a harmonic reduction first circuit comprising at least one first inductor connected between a first node and a second node. The harmonic reduction first circuit further comprises a third trace connected to the first node, wherein at least part of the third trace is adjacent and substantially parallel to a first at least part of the first trace, and a fourth trace connected to the second node, wherein at least part of the fourth trace is adjacent and substantially parallel to a first at least part of the second trace.

The application discloses a kind of flat lightweight harmonic reduction joint module, comprising: power piece, including shell and frameless motor piece, frameless motor piece is arranged on shell, to provide rotary torque;Harmonic reduction output piece, including harmonic reduction piece and output piece, harmonic reduction piece is arranged in shell, and harmonic reduction piece is connected with frameless motor piece, output piece is arranged on shell, and output piece is reduced after harmonic reduction piece and outputs torque;Drive control coding integrated piece, including encoder code disc and drive control encoder integrated board, encoder code disc is arranged on frameless motor piece, drive control encoder is arranged on shell, and encoder code disc and drive control encoder integrated board cooperate to constitute encoder and driver two-in-one data acquisition and processing combination.This application has compact structure, reasonable design, small volume, small space occupation, light weight, high integration and easy installation and use.