322results about How to "Input stable" patented technology

An LED light bar with a replaceable power source. A base is inserted with an LED lamp. A lampshade covers the lamp. Both ends of the base have a connector. One connector is connected with a power supply. A connecting base is provided between the power supply and the end portion of the base. This forms the disclosed LED light bar with a replaceable power supply.

A biometrical feature inputting apparatus includes a 1-dimensional or quasi 1-dimensional image sensor. When a finger and the image sensor are relatively slid, a finger sliding guide keeps a finger and an effective pixel unit of the image sensor to a constant distance without any contact between them. An image processing section sequentially generates partial images by imaging emission light that is scattered inside the finger and then emitted from a skin surface of the finger by the image sensor during the relative motion of the finger and the image sensor and link the partial images to an image.

The invention provides a variable torque wave energy hydraulic power generation device, which consists of a plurality of pieces of equipment such as a pile body, a wave energy power generator room, a plurality of groups of crank rocker devices, a plurality of groups of floater moment arms, a plurality of groups of oscillating floaters, a generator room pushrod, a wireless communication device and a wave instrument. The wave instrument can be used for measuring the real-time wave height and tide level data of waves, and driving the floater moment arms and the generator room pushrod to be elongated or shortened according to preset rules, thereby changing the lengths of the floater moment arms and the floating position of the wave energy power generator room and actively adjusting the magnitude of wave energy input torque. The device can be used for obtaining more stable wave energy, and a wave energy collection device and an offshore wind energy collection device are fused into a whole to collect both the wave energy of the oscillating floaters and offshore wind energy for power generation, so that the utilization efficiency of energy resources is favorably improved, and the power generation cost is lowered.

The invention discloses a shifting register and a driving method thereof as well as a grid electrode driving circuit and a display device, relating to the field of display. A needed electrical level can be stably output and bad phenomena caused by the fact that the output is not stable when a clock signal is converted and an output signal is interfered are eliminated, so that the display quality is guaranteed. According to the shifting register, an input module is used for sending an input signal to an output module, a resetting module and a maintaining module according to an input signal and a first clock signal; the resetting module is connected with the input module and a signal output end and is used for resetting a signal output end according to the first clock signal, first and second electrical level signals and the input signal; the maintaining module is connected with the input module and the output module and is used for sending a maintaining signal to the output module according to the input signal, the second clock signal and the second electrical level signal; and the output module is connected with the input module, the maintaining module and the signal output end and is used for sending the output signal to the signal output end according to the input signal, the maintaining signal and the second clock signal.

The invention discloses a shifting register and a driving method thereof, a grid integrated driving circuit and a display device. The shifting register comprises an input control module, a first output control module, a pull-up control module, a first pull-down control module and a second output control module. Therefore, by means of the arrangement of the first output control module and the second output control module, high level signals and low level signals can be provided, the first output control module and the second output control module intermittently work, and the service life of the shifting register is prolonged. In addition, through cooperating use of the pull-up control module and the second output control module, resetting of a signal output end can be achieved, and the arrangement of a reset module is omitted. In the grid integrated driving circuit formed by multiple cascaded shifting registers, the wire number of the grid integrated driving circuit can be reduced, the circuit structure is greatly simplified, and the design of a narrow frame of the display device is promoted.

The invention provides a battery management method, a battery management device and equipment powered by a battery, and relates to the technical field of communication. Harmful effects caused by bias current and ring current can be controlled effectively, and the bias current and the ring current are generated when batteries or battery packs of different capacities and materials are directly utilized in parallel. The method is capable of managing two or more than two parallel batteries or battery packs in a circuit, and a parallel branch is formed by the branch where each parallel battery or battery pack is located. The method comprises: whether a current value of a target parallel branch is larger than a preset current value or not is detected; when the detected current value of the target parallel branch is larger than the preset current value, the current value of the target parallel branch is adjusted to be smaller than or equal to the preset current value. The battery management method is used for management of parallel batteries.

The invention relates to a video monitoring technology based on an IP network and discloses a video monitoring method based on a P2P technology. The P2P technology is integrated into platform forwarding and under a condition that stable input of excellent audio and video streams is ensured, a platform forwarding pressure is reduced. In the video monitoring method based on the P2P technology, a camera accesses through a terminal access layer and registers to a platform and a client accesses the platform through a client access layer so as to obtain and select the information of a registered camera; after receiving a related notification signaling, the camera transmits video data to the terminal access layer and transmits the video data to a platform scheduling layer; the platform scheduling layer carries out corresponding scheduling and selects a media distribution and video recording layer to receive the video data and distribute the video data to a corresponding client; and a node tracking module records and tracks an online state of the client and the use condition of the camera. The video monitoring method based on the P2P technology is suitable for remote video monitoring.

The present invention discloses a shifting registration unit and a driving method thereof, and a display panel. The unit comprises an input module, a first control module, a second control module, a feedback regulation module, an output module, a first coupling module and a second coupling module. The feedback regulation module is configured to feed back signals of an output signal end to a first node under the control of a second clock signal end, the second control module allows the first node to conduct with a third node under the control of first signals to reduce the suspension time of the third node; the first control module provides signals of the first clock signal end or a first signal end to a second node under the control of the first clock signal end to reduce the suspension time of the second node; and because the suspension time of the second node and the third node are short, a circuit does not has the node potential competition problem, and therefore the anti-interference performance of the shifting registration unit is high, and the output is stable.

The embodiment of the invention provides a shift register and a driving method thereof, a grid driving circuit and a display device, and relates to the technical field of display. The problem of output abnormity caused by insufficient potential of a control node in the shift register can be prevented. The shift register comprises an input circuit connected with a signal input end; an input circuitcomprising a first input control sub-circuit and a boost sub-circuit. The voltage of the first node is controlled through the voltage of the signal input end. The first input control sub-circuit is configured to output the voltage of a first clock signal end to a pull-up node through a second node under the control of the voltage of a first node, and the voltage of the first node is in negative correlation with the voltage loss of the voltage of the first clock signal end in the process of outputting the voltage to the pull-up node. The boost sub-circuit is connected between the first node and the second node. The boost sub-circuit is configured to boost the voltage of the first node when the voltage of the second node is increased.

The invention discloses a design method of an auto disturbance rejection controller with an anti-integral compensation function. The method includes the following steps that: a nonlinear system modelis established; a linear auto disturbance rejection controller with an anti-integral compensation function is designed for the nonlinear system model, wherein the linear auto disturbance rejection controller is composed of an extended state observer and linear feedback; and the parameters of the anti-integral compensation auto disturbance rejection controller are determined by solving a linear matrix inequality. According to the design method of the invention, the anti-integral compensation function is applied to the design of the auto disturbance rejection controller, and therefore, the performance degradation of the control system caused by actuator saturation can be offset, and the stability of a closed loop system using auto disturbance rejection control can be ensured.

The invention provides a piston temperature field simulation test device. The device comprises cooling equipment, a thermocouple temperature acquiring machine, a piston, an induction heater and high-frequency induction heating equipment; the induction heater can heat the head part of the piston, meanwhile, the piston is fixed into the cooling equipment, the cooling equipment is provided with a plurality of air cavities which are used for cooling the areas with the piston feature points, the cooling capability of the cooling equipment can be controlled by adjusting an electric air volume adjusting valve, and accordingly a needed piston temperature field module is obtained. The top face of the piston and the induction heater are maintained at the optimal induction heating distance through transverse and longitudinal movement of the cooling equipment, and maximum heat current input is ensured. Corresponding temperature measuring points are arranged in the piston feature areas, and temperature acquiring information is monitored by the thermocouple temperature acquiring machine. The test method adopts a thermocouple method to test the temperature field of the piston. The piston temperature field simulation test device and the test method have the advantages that the heat current is input stably, the position of the piston is adjusted, the heat current distribution module of the piston can be precisely simulated, and multi-point measuring can be achieved.

The invention is directed to an apparatus and a method for generating a fault detection signal when a differential signal is in a fault condition. The fault condition arises when the data transmission path in a differential signaling device is either open, shorted, or terminated by an abnormal means, and is such that the inputs are within the valid common-mode range and a valid differential signal cannot be obtained. The invention is buffered from the differential signal source, and an intermediate signal is produced in response to the differential signal. Portions of the intermediate signal are compared to a reference signal, and based on the comparisons, fault condition control signals are produced. A fault detection signal is produced when two fault condition control signals indicate the presence of a fault. The fault detection signal is made available for invocation of a failsafe state.

The invention provides a method for screening and optimizing an audio-frequency keyword template. The method comprises the steps of step1, extracting features of each audio-frequency keyword template sample, making extracted features through a deep neural network and calculating posterior probabilities of all phonemes on a given phoneme set; step2, calculating posterior probability stability scores, pronunciation reliability scores and neighborhood similarity scores of the template; step3, calculating a weighted average of the above three scores of each audio-frequency keyword template and denoting the weighted average as an average score; step4, sequencing according to the order of average scores from large to small and selecting the first L audio-frequency keyword templates as representative pronunciation templates; step5, processing each representative pronunciation template, adjusting the posterior probability of each pronunciation unit on each frame of the pronunciation sequence and minimizing the neighborhood similarity scores of the template; generating optimized L audio-frequency retrieval word templates.

The invention discloses a tinnitus diagnostic test device. The tinnitus diagnostic test device is characterized by comprising an all-digital audio tone signal synthetic generator and an operating module. The all-digital audio tone signal synthetic generator generates various audio tone signals of tone, melody, rhythm and volume. The operating module operates the all-digital audio tone signal synthetic generator to comprehensively evaluate tinnitus and output tinnitus diagnosis audio tone signals. The all-digital audio tone signal synthetic generator comprises a composite acoustic signal generation module, a tonal signal generation module, a noise signal generation module and a recording signal generation module, wherein the modules generate specific audio tone signals respectively. The tinnitus diagnostic test device is capable of precisely restoring or simulating audio tone information of various types of tinnitus, differed due to personal difference, left and right ear difference and time and environmental factors and observed clinically, so that fine basis for providing patients with personalized therapies is provided and tinnitus treatment is more effective.

A glass heating kettle with a far infrared heating film comprises a glass kettle body and a control base, a heating layer is arranged on the bottom of the glass kettle body, and a control circuit board is arranged in the control base. The glass kettle body is formed and is made of high borosilicate glass, a resistor heating layer is arranged on the bottom of the glass kettle body through the silk-screen technology that electrothermal film pulp is printed on the bottom of the glass kettle body, and two electrode layers are coated on the surface of the heating layer and are used as conductors. The control circuit board comprises a circuit control module, a PWM direct-current output module and a detection control module. According to the glass heating kettle with the far infrared heating film, a PWM direct-current control circuit is adopted, and the power input of a glass heating part is guaranteed to be stable in heating operation. The output power of the circuit control part is output in a slowly rising and stepped manner within a certain time at the beginning, a relay is used as a switching element, and an electric supply is rectified, and then a direct-current power supply isseparated from a load interface completely. The glass heating kettle with the far infrared heating film solves the problem that electricity is leaked caused by the fact that heated liquid is leaked from partial breaks of the glass kettle heating body when the glass kettle is powered directly. The glass heating kettle with the far infrared heating film solves the problem of the potential safety hazards when the existing glass kettles are used.

The invention relates to a charging and discharging control device for an energy storage super-capacitor of an electric workover rig. A bidirectional DC / DC converter of the device is a non-isolation type DC / DC converter; a bidirectional DC / DC converter main circuit control device is arranged on a main circuit of the bidirectional DC / DC converter, and is connected with the main circuit of the bidirectional DC / DC converter; by control over on and off of the bidirectional DC / DC converter main circuit control device, out-of-control overcurrent of the main circuit of the bidirectional DC / DC converter is avoided. In actual application, the main circuit of the bidirectional DC / DC converter and the main circuit control device can meet the power requirement of the electric workover rig in a way of parallel connection of n circuits; according to the charging and discharging control device for the energy storage super-capacitor of the electric workover rig and the control method, uncontrollable factors and risk of damage of charging current of the super-capacitor to the bus side can be avoided, and safe and reliable operation of an electric control system of the electric workover rig can be guaranteed.

The invention discloses a built-in-external antenna signal input automatic-switching global position system (GPS) / personal digital assistant (PDA) dual-frequency handset, which comprises a handset body, a GPS processing chip module and a GPS receiving module, wherein the GPS receiving module comprises a GPS receiving antenna and a GPS receiver; the GPS receiving antenna comprises a built-in antenna and an external antenna; the GPS receiver comprises a built-in-external antenna signal switching module; the built-in antenna and the external antenna receive GPS radio frequency signals at a target measuring point respectively, and transmit the received GPS radio frequency signals to the built-in-external antenna signal switching module respectively; and the built-in-external antenna signal switching module automatically selects input signals input into a GPS processing chip (a processing chip on GPS-original electrical manufacture (OEM) board) module according to the signal intensity of the GPS radio frequency signals fed back by the built-in antenna and the external antenna. Therefore, the handset solves the problem of switching between the built-in antenna and the external antenna, and also can be used to work when the signals are relatively weaker or the requirement on measurement accuracy is relatively higher.

The invention relates to a linear alternating current-direct current (AC-DC) converter for an alternating chopped wave, a high-frequency conversion circuit and an impedance conversion circuit in the technical field of electrical and electronic engineering. An output end of the high-frequency conversion circuit is connected with an input end of the impedance conversion circuit. The high-frequency conversion circuit comprises a first filter circuit, an alternating chopping circuit, a high-frequency transformer and a second filter circuit, which are in cascade connection sequentially. The impedance conversion circuit comprises a rectifying bridge and a boosting circuit which is in cascade connection with the rectifying bridge; the midpoints of two bridge arms of the rectifying bridge are respectively connected with two alternating current output ends of the high-frequency conversion circuit; and an output end of the boosting circuit outputs a direct-current voltage. The linear alternating current-direct current (AC-DC) converter outputs a stable direct-current voltage and generates a unit input power factor at the same time, achieves a flexible voltage-regulating capability, obtains a linear input impedance, overcomes the defect that a power supply fluctuation and a load fluctuation interfere with each other, has the characteristics of novel design, strong generality and the like and has the advantages of simple structure and low cost.

The invention discloses a rolling wheel extruder for preparing cylindrical particle fuels, which comprises a receiving barrel. A first transmission shaft is perpendicularly mounted in the receiving barrel and connected with a transmission part in a power transmission box, a first group of rolling wheels is mounted on the first transmission shaft and includes at least two rolling wheels which are respectively mounted on two sides of the first transmission shaft, a first circular steel disc is mounted in the receiving barrel and located below the first group of rolling wheels, a plurality of first cylindrical through holes are arranged on the first circular steel disc, a raw material inlet is arranged at the upper end of the receiving barrel, and a fuel outlet is arranged at the lower end of the receiving barrel. The rolling wheel extruder is specially used for providing the fuels for a gas producer, the fuels are high in hardness and low in cost and can replace natural gas, fuel oil, lump coal and coke, and accordingly production cost of gas is lowered.

A voltage conversion circuit and a switching power supply device achieving both a good response and a low loss of a power supply voltage, wherein a main voltage conversion portion (circuit block) for conversion an AC voltage to a DC voltage, an auxiliary voltage conversion portion for the same conversion but in transit period up to shifting to a stationary state, a voltage limiting portion (Zener diode) for limiting the DC voltage output from the auxiliary voltage conversion portion to a constant limit-voltage, and an output control switch (transistor) connected in the output pass and for switching the pass to conductive or nonconductive possible to apply a higher voltage in between a voltage at the output node and the limit-voltage based on their magnitude relation.

A clutch controlling device is provided with: a motor (42); a cam (44), which is actuated by the motor (42), changes a clutch from a connected state to a disconnected state when moved forward from an initial position to a disconnection position, and changes the clutch to the connected state when moved backward from the disconnection position to the initial position; a roller (56), which transmits displacement of the cam (44) to a release fork (36); and an ECU (60), which moves the cam (44) forward after moved backward to a save position, sets a position at which load to a clutch release mechanism via the roller (56) is started as the initial position of the cam (44), and appropriately controls disconnection / connection and transmitted torque of the clutch (10) based on the set initial position.

The embodiment of the invention provides an image data processing method and device, and a mobile terminal. The method comprises the steps of obtaining original image data collected by a camera; identifying skin color image data in the original image data; and normalizing the skin color image data according to a preset target skin color value, thereby obtaining target image data. According to the embodiment of the method, the device and the mobile terminal, an input skin color is enabled to trend to or even reach the target skin color; the problem that the skin color is expressed differently in various environments due to the fact that the integrated stability of the skin color is low under the control of image processing is solved; the stable and consistent skin color is output; and moreover, the image processing debugging period is shortened.

This invention relates to a low voltage differential signal transfer device including a signal device circuit for generating and outputting an analog image signal to a low voltage differential signal receiving device and a signal compensation circuit connecting to the said signal drive circuit and generate a feed back compensation signal to the said signal driving circuit with the said analog image signal and a primary standard signal to provide a stabilized said analog image signal to the said low voltage differential signal receiving device, reducing negative influence in signal variation of drive circuit.

The invention provides an air acupuncture instrument. The air acupuncture instrument comprises a framework, a hot air soldering station, an outer shell, an inner shell, a cover and an air outlet box, wherein the hot air soldering station is arranged on the framework and provided with an air transmission pipe; the outer shell is arranged above the framework and provided with an air inlet pipeline; the air inlet pipeline is communicated with the air transmission pipe; a ceramic heating unit is arranged at the periphery of the air inlet pipeline; the inner shell is arranged in the outer shell and provided with a plurality of through holes; the cover is buckled with one end of the outer shell and wraps the inner shell; a ventilation pipe is arranged between the air outlet box and the inner shell. The ceramic heating unit heats air fed in by the air transmission pipe, then moxa is heated and burns, the hot air soldering station provides air continuously and stably, then it is ensured that the air outlet box can input heat and treatment air continuously and stably, and the heat is sufficient and lasts long.

The invention provides an interleaving fly-back photovoltaic inverter, which comprises a photovoltaic inverter. A DC / DC switch circuit comprises two single-end fly-back circuits of which the input and output are connected in parallel; a DC / AC inversion circuit is a DC / AC full-bridge inversion circuit consisting of four switch tubes; the DC / DC switch circuit is simultaneously connected in parallel with a filtration capacitor and a DC / AC inversion circuit; and the DC / AC inversion circuit is connected with an LC filtration circuit. The interleaving fly-back photovoltaic inverter further comprises a controller and a driving module, wherein the controller comprises a DC input signal feedback end, an output voltage signal feedback end and a control signal end; the control signal end is connected with the driving module; and the driving module is connected with the photovoltaic inverter. The interleaving fly-back photovoltaic inverter has the advantages of outstanding voltage adaptability, good stability and high solar utilization rate.

A kind of disinfection installment used in centre air conditioning which belongs to air disinfection technology area and it is used to resolve the defection of the present installment of isolating drastically. In the installment there is setting the chlorite and activator delivery material pipes, a metering pump, a reacting pot and a gasify installment matching with the metering pump. After improved it increases a blowing off equipment which is consisted of a blowing off tank and a gas pump and the blowing tank is above of the inlet duct of gas equipment and in the tank there is a blowing off plate and on the plate surface layout the blowing holes densely also has the baffle boards distributing in dislocation and the reverse sump runner. The fluid inlet and the air outlet of the plate's up-down section are connected to the reacting tower and the gas pump individually. After extension the equipment it can make the activity chlorine dioxide liquor formed a thinner reverse fluidized led above the blowing off plate and it can make the chlorine dioxide divorced all from the liquor by undergoing the air blowing off from the blowing off hole on the surface of plate so it cancels the defection of the present installment of isolating drastically and the high density residual liquid chlorine dioxide.

The invention discloses a calibration method for a terahertz laser power meter. The method comprises the following steps: 1, replacing a thermopile detector for an adjustable direct-current stabilized voltage supply to provide stable tunable input voltage signals for the terahertz laser power meter, and recording the input voltage of the terahertz laser power meter and the corresponding indication voltage; 2, calculating a linear relation between the input voltage of the terahertz laser power meter and the indication voltage; 3, testing the absolute spectral response of the thermopile detector at a terahertz band; and 4, calculating the power value measured by the terahertz laser power meter according to the linear relation between the input voltage of the terahertz laser power meter and the indication voltage in step 2 and the absolute spectral response of the thermopile detector at the terahertz band in step 3. The calibration method improves the calibration efficiency and reduces the calibration inaccuracy.