32results about How to "Does not affect the output" patented technology

The invention discloses a grinding head capable of controlling pressure distribution and belongs to the technical field of optics cold processing, and a technical problem of pressure distribution of a grinding head in the prior art is solved. The grinding head capable of controlling the pressure distribution comprises a sliding table air cylinder, a rack, a motor, air cylinders, a bearing, an upper cover plate of a bearing inner ring, an upper cover plate of a bearing outer ring, and a grinding head body, wherein the sliding table air cylinder is in threaded connection with the rack; the multiple air cylinders are uniformly distributed on the rack along the periphery of the rack, and the air cylinders are hinged to the rack; the air cylinders are connected with the upper cover plate of the bearing outer ring through spherical hinges; the motor is connected with a motor seat through a thread, and the motor seat is connected with the rack through a thread; the upper cover plate of the bearing inner ring is connected with the grinding head body through screws and tightly presses the bearing inner ring; an output shaft of the motor is fixedly connected with a ball head, the upper half portion of the upper cover plate of the bearing inner ring is a cylinder with a hole in the center, vertical through grooves are symmetrically formed in the side surfaces of the cylinder, and cylindrical pins on the two sides of the ball head are clamped into the through grooves.

The invention discloses a molten salt heat storage solar thermal power generation system. The system comprises a heat collecting subsystem, a heat storage subsystem, a steam generation subsystem and a power generation subsystem connected in sequence; the heat collecting subsystem is connected with the heat storage subsystem; the heat storage subsystem is connected with the steam generation subsystem; and the steam generation subsystem is connected with the power generation subsystem. As the connecting relation of the steam generation subsystem to the heat collecting subsystem and the heat storage subsystem is improved, the power load output stability of the power generation subsystem is improved; and the power load output by the system is not changed along with the change of solar radiation, so that the load fluctuation is largely reduced, and the whole control operability of a power station is promoted.

The invention discloses a phonetic translation method and device. The method comprises the following steps that: establishing connection with a first Bluetooth earphone; receiving phonetic informationsent from the first Bluetooth earphone, and carrying out translation processing on the phonetic information; cutting off connection with the first Bluetooth earphone, and establishing connection witha second Bluetooth earphone; and sending the phonetic information subjected to the translation processing to the second Bluetooth earphone. Therefore, by use of the characteristic of the semiduplex interaction of a translator, through time sharing switching connection between two Bluetooth earphones by the translator, time sharing communication between the translator and the two Bluetooth earphones is realized, and a purpose of the phonetic translation of different languages is achieved. By use of the embodiment of the invention, only two common Bluetooth earphones need to be cooperated withthe translator to realize the phonetic translation, a common Bluetooth earphone does not need to be changed into a special Bluetooth translation earphone, implementation cost is lowered, an application range is expanded, the use cost of a user is lowered, and user experience is improved.

The invention relates to a positioning force compensating type linear permanent magnet synchronous motor which belongs to the technical field of motors and solves the problems that the existing method for reducing the fluctuation of the push force of the linear motor only can restrain the fluctuation of the motor to a certain extent and simultaneously reduces the effective push force of the motor. An air gap is arranged between a primary and a secondary of the motor, the primary comprises an armature iron core and an armature winding and is in a structure of surface mounted armature winding or a cogging structure, the positioning force generated by the interaction of compensating parts and a secondary permanent magnet and the positioning force generated by interaction of the primary iron core and the secondary permanent magnet can be mutually counteracted through the addition of the compensating parts at the yoke parts of two ends of the armature iron core of the primary and using permanent magnets to perform magnetism isolation, so that the acting forces at the front end part and the rear end part of the motor are mutually counteracted. The detent force compensating type linear permanent magnet synchronous motor is suitable for linear permanent magnet synchronous motors.

The invention relates to a gyro signal acquisition circuit and a signal filtering system for a three-axis inertially-stabilized platform, which are used for realizing the high-precision acquisition of angular rate information of the three-axis inertially-stabilized platform and providing feedback reference for the high-precision control of the platform. The gyro signal acquisition circuit comprises a signal amplification circuit, a signal transmission circuit, a voltage amplitude limit circuit and an analog-to-digital (A / D) conversion circuit of a DSP (Digital Signal Processor); and a signal filtering module comprises a static factor calibration part and an online sliding average filter part. According to the gyro signal acquisition circuit and the signal filtering system for the three-axis inertially-stabilized platform, weak gyro voltage signals are appropriately amplified, filtered and converted into current signals, the current signals are subjected to voltage amplitude limit and then enter an AD channel of the DSP, the original analog signal acquisition is carried out, useful information is extracted by the signal filtering module, and thus, the gyro voltage signals are converted into the true value of the angular rate of a framework of the platform.

The invention discloses an energy superposition wave power generation device with the single degree of freedom and multiple floaters combined. The energy superposition wave power generation device comprises a supporting mechanism, a wave energy collecting assembly, a multi-floater hydraulic energy storage system and a power generation system. The supporting mechanism is provided with a plurality of guide bars arranged in parallel. The wave energy collecting assembly comprises the multiple floaters arranged in parallel. The floaters are installed on the guide bars in a penetrating mode. At least one end of each floater is provided with a vertically sliding mechanism. The vertically sliding mechanisms are connected with the input end of the hydraulic energy storage system through pinion and rack transmission mechanisms. The output end of the hydraulic energy storage system is connected with a power generator of the power generation system. The energy superposition wave power generation device can collect energy generated in the ascending motion stroke and the descending motion stroke of the floaters at the same time; the superposed output of the energy of the multiple floaters is achieved through the hydraulic energy storage system, and the efficiency of the power generator is improved; and besides, the height of the whole device can be adjusted according to different sea areas and the sea conditions of different seasons, the motion strokes of the floaters are made to be optimal, the adaptability is high, and the stability is good.

The invention discloses a digital-to-analog converter, which comprises a reference voltage giving device, a bit weight network, N analog switching tubes and an operational amplifier, wherein the reference voltage giving device is used for providing a reference voltage to the bit weight network; the bit weight network is used for respectively generating weight currents on N branch circuits of the bit weight network according to the reference voltage; the N analog switching tubes are used for respectively controlling the switching on or off between the N branch circuits and the operational amplifier according to N paths of digital signals, and each analog switching tube comprises a charge absorbing module which is used for absorbing spurious charges released by the analog switching tube during switching transition; and the operational amplifier is used for summing and amplifying the weight currents of branch circuits in the N branch circuits which are accessed to the operational amplifier, and then converting the weight currents into analog currents or analog voltages. According to the digital-to-analog converter, the charge absorbing modules absorb the charges generated by the analog switching tubes, and a discharge channel is provided for the spurious charges, thereby the output of the digital-to-analog converter is not affected, the burr phenomenon at an output end of the digital-to-analog converter is effectively reduced, and the output characteristics of the digital-to-analog converter are improved.

The embodiment of the invention provides a data processing method and a data processing device based on a redundant equipment system. The method is characterized in that when data stored in redundant equipment is replaced by updating data, data stored in all redundant equipment is replaced in sequence according to determined updating orders; when one piece of redundant equipment is in the data replacing process, data stored in other redundant equipment is not replaced, so that when data stored in one piece of redundant equipment is updated, data stored in other redundant equipment is enabled to be determined and stable; therefore even if the updating is abnormal, the output of all redundant equipment is not influenced; and due to the fact that the output of the system is determined by the output tables of all redundant equipment which is free of data replacing faults, the output of the whole system is not influenced when the updating is abnormal.

The invention discloses a clock recovery circuit for non-contact type IC card and radio frequency identified tag chip, wherein one ends of two transfer gates are connected to the terminal end of the chip, the other ends of which are connected to the two input ends of a comparator, the signal outputted from the comparator is reshaped by a phase inverter and outputted from the output end as a clock signal. The invention has a stable duty ratio and can be adaptable to the field density with wider range.

The invention relates to a received signal strength indicator circuit and a method for correcting deviation thereof. The method includes a step for enabling input ends to be in short circuit: enabling the two input ends of a first-stage amplifier which is far away from a comparator to be in short circuit; a step for detecting output of the comparator: detecting whether the output of the comparator is a high level or a low level; a step for correcting the deviation: starting to correct amplifiers from the first-stage amplifier which is far away from the comparator to a last-stage amplifier which is connected with the comparator one by one. When each amplifier is corrected, the currently adjusted amplifier provides a correction voltage which is opposite to the output of the comparator, then current output of the comparator is detected, the voltage provided by the currently adjusted amplifier is blocked when the current output of the comparator is opposite to the output detected in the step for detecting the output of the comparator, and the voltage provided by the currently adjusted amplifier is maintained when the current output of the comparator is identical to the output detected in the step for detecting the output of the comparator.

The invention discloses a point cloud object identification method with scale invariance. The method comprises the following steps: step 1, extracting convolution center points of a multilayer convolutional neural network layer by layer according to first point cloud data in a model sample, calculating scale invariant features of a last convolution layer in the multilayer convolutional neural network according to features of the convolution center points, and generating a point cloud recognition neural network; step 2, training a point cloud recognition neural network by utilizing a classification loss function according to second point cloud data in the training sample; and step 3, identifying a to-be-identified three-dimensional point cloud object of any scale by using the trained pointcloud identification neural network, and outputting an identification classification result. Through the technical scheme in the invention, the influence of point cloud data scaling on the output of the point cloud object recognition network is reduced, and the learning efficiency of the point cloud object recognition network on the three-dimensional object is improved.

The invention discloses a multi-system audio resource management method. The method is realized through the following steps: A, initializing a system; b, designing any system as a first system, wherein the first system carries out initialization operation on the hardware; c, outputting the hardware by the first system, and outputting the hardware by other systems through the first system; d, if the system for outputting the hardware is abnormal, assigning any other normal system to output the hardware according to a certain sequence rule; and E, if the system for outputting the hardware is abnormal, restarting the system, and outputting the hardware through the newly specified system in the step D after restarting. Compared with the prior art, the method has the advantages that multiple systems do not need to be limited to be a unified kernel, a certain system does not need to be limited to be a main system, any system is abnormal, audio management and output cannot be affected, software is used for dynamically conducting audio management switching, seamless switching can be achieved, the user experience is better, hardware switching is not used, and the hardware cost is reduced.

The invention relates to an intelligent solar photovoltaic module circuit and a control / protection method thereof. The circuit comprises multiple groups of photovoltaic strings in series connection, wherein each photovoltaic string comprises an intelligent photovoltaic assembly unit, an MPPT (maximum power point tracking) function module, a switch tube, a CPU (central processing unit) internal storage module and a control module, wherein the switch tube enables the photovoltaic assembly unit to be short-circuited or enables the photovoltaic assembly string to be disconnected with other photovoltaic assembly stings, and the switch tube is controlled by the control module. The intelligent solar photovoltaic module circuit and the control / protection method thereof have the advantages as follows: 1, the MPPT structure can be simplified, electric and electronic elements are reduced, the efficiency is improved, and the cost is reduced; 2, even if a single solar photovoltaic assembly is disconnected as a result of a fault, the output of the whole string cannot be influenced, and the photoelectricity utilization rate is substantially improved.

The invention discloses a clock recovery circuit for non-contact type IC card and radio frequency identified tag chip, wherein one ends of two transfer gates are connected to the terminal end of the chip, the other ends of which are connected to the two input ends of a comparator, the signal outputted from the comparator is reshaped by a phase inverter and outputted from the output end as a clocksignal. The invention has a stable duty ratio and can be adaptable to the field density with wider range.

The invention is suitable for the technical field of electrical control, and discloses a pre-synchronization method and system, and terminal equipment, and the method comprises the steps: obtaining the real-time angular frequency of a power grid based on an ECAP capturing unit; obtaining an angular frequency self-constructed by the inverter system; and based on a linear approximation method, gradually approximating the angular frequency self-constructed by the inverter system to the real-time angular frequency of the power grid. According to the method, when the phase angle and the frequency of the power grid are suddenly changed or the harmonic content of the power grid is relatively high, the output of the inverter system is not influenced, and the inverter system can stably operate andhas relatively high robustness.

The embodiment of the invention discloses a voltage-enhanced readout amplification circuit, and the circuit comprises: a storage and reading circuit which is suitable for outputting a data voltage anda reference voltage, wherein the data voltage and the reference voltage are generated based on the reading of data stored in the storage and reading circuit; a voltage division amplifying circuit, wherein the input end of the voltage division amplifying circuit is coupled with the storage and reading circuit, and the voltage division amplifying circuit is suitable for amplifying the data voltageand the reference voltage respectively so as to output a data amplifying voltage corresponding to the data voltage and a reference amplifying voltage corresponding to the reference voltage; and a comparison amplification circuit which is coupled with the voltage division amplifying circuit, wherein the comparison amplification circuit is suitable for comparing the data amplification voltage with the reference amplification voltage and outputting a comparison signal. According to the technical scheme in the embodiment of the invention, the judgment allowance of the readout amplifying circuit can be improved.

The invention provides light-emitting equipment. The light-emitting equipment comprises a first light source, a second light source, a dichroscope, a wavelength conversion device, a first light path adjusting device or a second light path adjusting device and a first scattering optical system. According to the light-emitting equipment, the light mixing effect of the emergent light can be improved by the aid of the first scattering optical system. The color temperature of the emergent light of the light-emitting equipment can be freely adjusted by independently adjusting the power of the first light source and the second light source. A laser capable of emitting light of different dominant wavelengths can be used in the first light source to improve the color rendering index of emergent light of the light-emitting equipment. The light emitted by the second light source is completely used for exciting the wavelength conversion device, compared with the prior art, the light-emitting equipment can achieve output with higher luminous flux under the condition that the optical expansion amount is not increased, and if a polarization selection element is used in the second light source in a matched mode, the output luminous flux of the light-emitting equipment can be further improved.

The invention discloses a latch register. An input end of a first inverter is connected with a clock signal; the input end of a second inverter is connected with the output end of the first inverter;the input ends of the first and second clock control inverters are connected with a latch input signal D and the output ends of the first and second inverters; the input end of the fourth inverter isconnected with the output ends of the second clock control inverter and the fourth clock control inverter, the output end of the fourth inverter serves as the output end of the latch, the input end ofthe fifth inverter is connected with the output ends of the first clock control inverter, the second clock control inverter and the third clock control inverter, and the input end of the third inverter is connected with the output end of the fifth inverter; the input end of the sixth inverter is connected with the output ends of the second clock control inverter and the third inverter; the inputend of the third clock control inverter is connected with the output ends of the first, second and sixth inverters; and the input end of the fourth clock control inverter is connected with the outputends of the first, second, fifth and sixth inverters. Compared with the prior art, the latch register has better signal interference resistance and higher reliability.

The invention relates to a received signal strength indicator circuit and a method for correcting deviation thereof. The method includes a step for enabling input ends to be in short circuit: enabling the two input ends of a first-stage amplifier which is far away from a comparator to be in short circuit; a step for detecting output of the comparator: detecting whether the output of the comparator is a high level or a low level; a step for correcting the deviation: starting to correct amplifiers from the first-stage amplifier which is far away from the comparator to a last-stage amplifier which is connected with the comparator one by one. When each amplifier is corrected, the currently adjusted amplifier provides a correction voltage which is opposite to the output of the comparator, then current output of the comparator is detected, the voltage provided by the currently adjusted amplifier is blocked when the current output of the comparator is opposite to the output detected in the step for detecting the output of the comparator, and the voltage provided by the currently adjusted amplifier is maintained when the current output of the comparator is identical to the output detected in the step for detecting the output of the comparator.

The invention discloses a digital circuit energy consumption optimization method, which combines the characteristics that the energy consumption in a digital circuit mainly comes from dynamic energy consumption and the dynamic energy consumption is dominated by the flipping rate of the digital circuit, and considers that the flipping rate of the digital circuit is closely related to an actual input data sequence. And estimating the flipping rate of the digital circuit according to the probability distribution of the input data sequence, and taking the flipping rate as a basis for judging the energy consumption of the digital circuit. By analyzing the probability distribution of the data sequence, the energy consumption of the digital circuit can be accurately estimated, a data basis is provided for optimizing the operation sequence of the data sequence, and the operation sequence of the data sequence is dynamically optimized by estimating the flipping rate when the digital circuit inputs different operation sequences of the data sequence in real time. Therefore, the energy consumption of the digital circuit is reduced.

The invention relates to a positioning force compensating type linear permanent magnet synchronous motor which belongs to the technical field of motors and solves the problems that the existing method for reducing the fluctuation of the push force of the linear motor only can restrain the fluctuation of the motor to a certain extent and simultaneously reduces the effective push force of the motor. An air gap is arranged between a primary and a secondary of the motor, the primary comprises an armature iron core and an armature winding and is in a structure of surface mounted armature winding or a cogging structure, the positioning force generated by the interaction of compensating parts and a secondary permanent magnet and the positioning force generated by interaction of the primary iron core and the secondary permanent magnet can be mutually counteracted through the addition of the compensating parts at the yoke parts of two ends of the armature iron core of the primary and using permanent magnets to perform magnetism isolation, so that the acting forces at the front end part and the rear end part of the motor are mutually counteracted. The detent force compensating type linear permanent magnet synchronous motor is suitable for linear permanent magnet synchronous motors.

The present invention is applicable to the technical field of electrical control, and discloses a pre-synchronization method, system and terminal equipment. The method includes: obtaining the real-time angular frequency of the power grid based on the ECAP capture unit; obtaining the angular frequency constructed by the inverter system itself; The linear approximation method gradually approximates the angular frequency constructed by the inverter system to the real-time angular frequency of the power grid. The present invention does not affect the output of the inverter system when the phase angle and frequency of the grid change suddenly, or when the harmonic content of the grid is large, and the inverter system can run stably and has high robustness.

The invention discloses a servo motor, and particularly relates to the field of motors. The servo motor comprises a motor shell, a main shaft is rotatably connected in the motor shell, the main shaft extends leftwards to the outside of the left side of the motor shell, a support ring is fixedly connected outside the main shaft, a heat dissipation frame is rotatably connected in the motor shell, a plurality of reinforcing ribs are fixedly connected to the interior of the heat dissipation frame, a plurality of blades are fixedly connected to the interior of the heat dissipation frame, a clamping ring is rotatably connected to the surface of the supporting ring, and a plurality of L-shaped stabilizing rods are fixedly connected to the left side of the motor shell. The heat dissipation frame is arranged, heat dissipation is conducted through rotation energy of the heat dissipation frame when a device operates, the heat dissipation frame and the device operate synchronously, the heat dissipation effect is stable, an external power supply is not needed, the device is very easy to use, a stabilizing effect is provided by arranging a plurality of structures, the operation stability of the device is ensured, and adverse effects caused by shaking and vibration during operation of the device are avoided.

The invention relates to a gyro signal acquisition circuit and a signal filtering system for a three-axis inertially-stabilized platform, which are used for realizing the high-precision acquisition of angular rate information of the three-axis inertially-stabilized platform and providing feedback reference for the high-precision control of the platform. The gyro signal acquisition circuit comprises a signal amplification circuit, a signal transmission circuit, a voltage amplitude limit circuit and an analog-to-digital (A / D) conversion circuit of a DSP (Digital Signal Processor); and a signal filtering module comprises a static factor calibration part and an online sliding average filter part. According to the gyro signal acquisition circuit and the signal filtering system for the three-axis inertially-stabilized platform, weak gyro voltage signals are appropriately amplified, filtered and converted into current signals, the current signals are subjected to voltage amplitude limit and then enter an AD channel of the DSP, the original analog signal acquisition is carried out, useful information is extracted by the signal filtering module, and thus, the gyro voltage signals are converted into the true value of the angular rate of a framework of the platform.

The invention provides a luggage case. The luggage case comprises a case body, a draw bar and a path-finding device, wherein the path-finding device comprises a position sensor for acquiring positioninformation of the luggage case, a central processing unit and an indication lamp located on the surface of the case body; the position information comprises positioning and movement directions of theluggage case; the position sensor and the indication lamp are electrically connected with the central processing unit respectively; the central processing unit comprises a storage module for storingan airport map and a data processing module; the central processing unit is used for acquiring an on-duty counter from a mobile terminal through a wireless communication manner; the data processing module is used for planning a target path according to the position information acquired by the position sensor and the airport map in the storage module; when the movement direction of the luggage caseis the same as the target path, the indication lamp is turned on; when the movement direction of the luggage case is deviated from the target path, the indication lamp flickers; a user can know whether the movement direction is accurate or not through observing the state of the indication lamp and can rapidly find out the correct on-duty counter, without the need of taking out a mobile phone mapto search.