287results about How to "Stable and reliable output" patented technology

The invention discloses an automatic teller machine (ATM) video surveillance method. The method comprises the steps of acquiring multi-channel video image data from a plurality of video acquisition unit; and conducting analysis of surveillance objects in internal regions of one or more ATM protective cabins and / or preset regions surrounding the one or more ATM protective cabin according to the acquired multi-channel video image data, and triggering alarm information at different levels. The surveillance objects include at least one of the following: the number of persons, actions of a person and the height of a person. The technical scheme provided by the invention can be used for improving the accuracy of the video analysis, reducing false positives and false negatives and outputting reliable alarm information.

The present disclosure relates to a large area organic light emitting diode display and a method for manufacturing the same. A photoresist is deposited across first and second pixel areas of the display. The photoresist is patterned to generate a patterned photoresist by stripping away first portions of the photoresist in the first pixel areas while keeping second portions of the photoresist in the second pixel areas. An organic emission layer is deposited across the first and second pixel areas over the patterned photoresist. An electron transport layer is deposited across the first pixel areas and the second pixel areas over the organic emission layer. Portions of the organic emission layer and the electron transport layer in the second pixel areas are removed by stripping away the second portions of the photoresist while keeping portions of the organic emission layer and the electron transport layer in the first pixel areas.

The invention discloses a power supply device of a current transformer (CT). The power supply device comprises the CT, a first bridge type rectifier circuit, a surplus current relief switch, a diode, an LC (inductor-capacitor) filter circuit, an input voltage sampling circuit, a reference voltage forming circuit, a return difference comparing circuit, a drive circuit and an isolation high-frequency switch pulse width modulation DC / DC conversion multi-output voltage-stabilized power circuit. According to the power supply device, surplus current output by the CT is relieved by adopting an electronic switch, required energy is extracted from the CT intermittently, so that output overvoltage of the CT is limited, and the CT is prevented from saturating. Electricity taking voltage is increased by adopting a high-voltage input high-frequency switch power supply technology, thus the output current of the CT is reduced, heating of the CT and the rectifier circuit and the relief switch behind the CT is decreased, and the electricity taking efficiency is increased.

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably. The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

A composite cylinder jacket is featured as using alloy cast ¿C iron layer as internal layer of cylinder jacket and using cast ¿C steel layer as external layer, setting pure copper combination layer between alloy cast ¿C iron layer and cast ¿C steel layer for connecting these two layers. Its preparing method is the same to cold processing technology, heating and chemical treatment technique and outline size in method for preparing universal cylinder jacket in addition to casting technique.

The invention discloses a super-fast operating mechanism for a high-voltage switch, which comprises a permanent magnetic position-keeping auxiliary drive device (3) and a buffer and energy storage device (4), wherein, one end of a movable core push rod (36) of the permanent magnetic position-keeping auxiliary drive device (3) is connected with a tube-type push rod of the buffer and energy storage device (4); the super-fast operating mechanism is characterized in that the other end of the movable core push rod (36) of the permanent magnetic position-keeping auxiliary drive device (3) is connected with an electromagnetic eddy current repulsion main drive device (2) which is used for providing initial operating force for operating the switch; the permanent magnetic position-keeping auxiliary drive device is used for providing stable and reliable power when a switch contact moves to the position of 5mm and keeping the switch contact in position when the movement of the switch is over; the buffer and energy storage device is used for reducing the impact of the operating mechanism to the shell of the mechanism and the switch contact during the operating process and storing the energy in the form of spring energy for next switching operation .

The invention relates to a high voltage power supply for a direct current characteristics test of a zinc oxide arrester, comprising a control circuit module, a PWM generator, an MOSFET driver and a power tube, a high frequency transformer, a protective circuit and a voltage doubling rectifying circuit, wherein the low voltage output end of high frequency transformer is connected with a sampling resister, a current measurement terminal and a current feedback circuit; the output end of the voltage doubling rectifying circuit is connected with a voltage divider, the voltage measurement terminal and the voltage feedback circuit; the control circuit module is provided with a constant voltage control circuit, a constant current control circuit and a cascaded constant voltage / constant current change-over switch; the signal of the feedback circuit is compared with a set signal value, is input in an error amplifier in the constant current control module and enters into a closed loop control system to ensure stable output signals. The invention has stable performance, reliably operates among two modes of constant voltage and constant current, has a built-in protective circuit and can ensure power supply safe operation.

The invention provides an artificial pancreas closed-loop control algorithm and artificial pancreas using the method. The method mainly comprises the following steps: constructing an autoregressive model that an insulin absorption delay factor is actively introduced; calculating required insulin infusion amounts respectively via the autoregressive model and a PID algorithm; and implementing loop optimization of parameters of the two insulin infusion amounts via an average value of calculation results of the two insulin infusion amounts, so as to offer more accurate blood glucose trend prediction and a more appropriate insulin infusion amount.

The invention relates to a control method for an intelligent valve positioner, which has simple and rapid debugging. The technical scheme is that a singlechip receives a set signal sent by a controller and a feedback signal transmitted by a valve position sensor; the set signal is compared with the feedback signal; a bias is subjected to adaptive PID control; a corresponding PWM signal is output to drive an I / P converting unit; and an executing mechanism is driven by a pneumatic power amplifier.

The purpose of this invention is to provide a scanning signal line driving circuit with increased reliability of switching elements while reducing power consumption. In the vertical blanking interval, an end signal (ED) changes from the low level to the high level. The potential of the 1st through (m-1)st stage first nodes (N1) of cascade-connected m-stage bistable circuits contained in a shift register of the scanning signal line driving circuit is reliably maintained at the low level, and the potential of 1st through (m-1)st stage second nodes (N2) changes from the high level to the low level. In the mth stage bistable circuit, the potential of the mth stage first node (N1) changes from the high level to the low level, and the potential of the mth stage second node (N2) is maintained at the low level. Further, supply of the clock signal (CKA, CKB) to the bistable circuit is stopped. Until the write period in the subsequent vertical scanning period, the potential of the first nodes (N1) and the potential of the second nodes (N2) in each stage is maintained at the low level.

The invention discloses a multi-power cell and time distribution electrifying system of an FPGA configuration memory array. A memory cell of the FPGA configuration memory array is divided into a plurality of regions, the regions are sequentially electrified one by one, and therefore the electrifying surge current problem of a large-scale single-particle reinforcing SRAM type FPGA is effectively solved. When the FPGA is electrified, the regions are sequentially electrified through an electrifying control circuit, and therefore an electrifying peak current is decreased. The voltages outputted by all electrifying sub-circuits to the memory cell regions are simultaneously connected to an overall network in parallel, therefore, the voltages of all the memory cell regions of a whole FPGA chip are same, and the consistency is guaranteed. According to the multi-power cell and time distribution electrifying system of the FPGA configuration memory array, the electrifying surge current can be effectively eliminated, and meanwhile scale independence between the electrifying current and the FPGA is achieved by dividing the FPGA into multiple regions.

The invention provides a DVD player (100) as a signal source device generating video signal and an audio signal and outputs them to a plasma display device (200) as a signal synchronization device. After equipment authentication between the DVD player (100) and the plasma display device (200) has been completed, the DVD player outputs video signal and an audio signal through transmission lines conforming to HDMI standards to the plasma display device (200) after a predetermined waiting time has elapsed, the waiting time being set to be longer than the time required for an initial startup setting process in the plasma display device (200).

The invention discloses a wide-range voltage regulation circuit and a method for realizing wide-range voltage regulation. The circuit comprises a control circuit, a voltage reduction conversion unit and a voltage boost conversion unit, wherein the control circuit respectively outputs control signals and is connected with the voltage reduction conversion unit and the voltage boost conversion unit which share the busbar voltage; and the output end of the voltage reduction conversion unit is connected with the output end of the voltage boost conversion unit. The wide-range voltage regulation circuit and the method for realizing wide-range voltage regulation adopt the voltage reduction conversion unit to realize low-voltage section and the voltage boost conversion unit to realize high-voltage section, synthesize low-voltage output and high-voltage output into a path which is then outputted to a transmitting circuit for power supply, further realize flexible switching between a low-voltage circuit and a high-voltage circuit through boosting charge for the voltage boost conversion unit in advance, so as to avoid large impact current when the low-voltage circuit is switched to the high-voltage circuit, and avoid damage to devices or voltage sag of the busbar.

The invention relates to a blind multipath identification method for an MIMO system based on a weighted integrated clustering algorithm. The method comprises: multiple user sides sending communicationrequest signals to a base station; the user side adjusting the transmitting power of the user side based on the response signal fed back by the base station, so that the base station allows the communication request of the user side; the user side sending an information signal to the base station; the base station generating an input signal of a basic clustering algorithm based on the separated information signal, based on the output result of each basic clustering algorithm, the base station adaptively adjusting the weight of the output result of each basic clustering algorithm through the weighted integrated clustering algorithm, and identifying the path of the information signal of the user side according to the output of the weighted integrated clustering algorithm; and the base station combining the maximum ratio of each user side and decoding the information signal of each user side. According to the method, multipath identification can be stably and effectively carried out based on a weighted integrated clustering algorithm.

The invention discloses a quick charging system and method for power batteries of electric cars. The system comprises a fault protection module, the input end of the fault protection module is connected with the output ends of a power-frequency alternating-current input grid and a digital signal processor, the output end of the fault protection module is connected with an input rectifying and filtering module, a direct-current signal then passes through a half-bridge inverter circuit to transmit stored energy to a high-frequency transformer via opening of switch tubes, a full-wave rectifying circuit converts pulsed voltage outputted by the high-frequency transformer into direct-current voltage which is transmitted to an output direct-current filter circuit, the output direct-current filter circuit filters out smooth direct current flowing into an electric car battery load, and the electric car battery load is connected with the output end of the fault protection module through a depolarization module. By the system and method, quick charging to the power batteries is realized, battery polarization can be removed effectively, efficiency of a charger is improved by an energy recovery circuit, and service lives of the batteries are prolonged.

The invention relates to an optimizing time synchronizing device for multi-channel clock sources. The optimizing time synchronizing device comprises at least two units identical in structure. In every unit, a global positioning system ground receiver (8) is connected with a counter (7), the counter (7) is further connected with a comparator (6) in the unit, a high-stability crystal oscillator (1) is directly connected with the counter (7) in every unit or connected with the counter (7) in every unit through a phase-locking frequency multiplier (2), and the comparator (6) in every unit is respectively connected with one input end of a multiplexer (4). The counter (7), the comparator (6) and a register (5) in every unit are respectively connected with a single chip microcomputer (3), and the output end of the single chip microcomputer (3) is further connected with the multiplexer (4). The optimizing time synchronizing device has the advantages that the comprehensive cost is low, algorithm adaptability is high, optimization of the multi-channel clock sources is supported, various time difference compensation strategies are supported, high-precision punctuality can be achieved, and time signal output is stable and reliable, and the like.

The invention discloses an ignition control circuit of a downhole electric detonator for perforation. The ignition control circuit comprises a wide-input-range power supply voltage stabilizing circuit, a signal detection and processing circuit and an ignition selecting switch circuit, wherein the wide-input-range power supply voltage stabilizing circuit is used for stabilizing voltage and then outputting direct current of 10V and direct current of 5V when direct current of 20-40V is input to a downhole ignition control circuit by a ground system through a single-core cable, so as to supply power to the signal detection and processing circuit and an ignition switch circuit; the signal detection and processing circuit is used for receiving ignition control commands from the ground system, controlling the connection / disconnection of the ignition selecting switch circuit according to the commands and controlling the detonation of the electric detonator; the ignition selecting switch circuit is used for being connected with the electric detonator. The ignition control circuit has the advantages that the circuit access of the downhole electric detonator during detonation can be realized safely and reliably, meanwhile, the detonation circuit access of the electric detonator resulting from accidental circuit conduction can be prevented, and the effect of protecting and igniting a detonation circuit can also be exerted under the extreme cases that the detonation circuit is short-circuited.

The invention discloses a pulse power source based on an LTD (Laser Target Designator) self-synchronizing switch. The pulse power source comprises an epibolic conductor which comprises a conductor box and a conductor rod; wherein the conductor box is provided with a plurality of magnetic rings; the conductor rod is vertically placed at the bottom of the conductor box and penetrates through all the magnetic rings and then extends out of the conductor box; a plurality of discharge branches are wound on the magnetic ring and are serially connected to form a discharge link circuit; a plurality of discharge link circuits are connected in series and then are connected end to end to form a closed ring discharge loop; the discharge branch is formed by connecting an energy storage apparatus and a switch connected in series. The pulse power source is based on the traditional LTD basic structure, so that a plurality of discharge branches are serially connected, one switch is conducted to automatically trigger the other switches to synchronously overvoltage conduct, the complex external trigger devices are not needed, so that the synchronous process is simple and reliable; the reliable high voltage pulse output can be obtained through the multi-switch cooperative work, and the energy consumption is low.

The invention relates to a differential pressure sensor for a switching value. The differential pressure sensor comprises a shell body and a signal control unit, wherein an inner cavity of the shell body is provided with a high-pressure chamber and a low-pressure chamber, a first pressure sensing film is arranged in the high-pressure chamber, a second pressure sensing film is arranged in the low-pressure chamber, a connecting rod is arranged between the first pressure sensing film and the second pressure sensing film, two ends of the connecting rod are adhered on the first pressure sensing film and the second pressure sensing film, a pressure value adjusting knob is arranged at one end of the connecting rod, the signal control unit is arranged in an electrical chamber of the shell body, and comprises a sensing microswitch which is connected with a circuit function module, and the circuit function module is connected with a central processor (ECU) through a trigger circuit. The differential pressure sensor can be used for accurately acquiring a pressure drop of a fluid passageway component, outputting a reliable, simple and manageable signal, and driving an indicator lamp or transferring a signal to the central process (ECU) by only outputting an indication signal at a certain point, so that the signal is stable and simple, and cannot be affected by a severe environment.

The invention discloses a continuously adjustable drive source device of a small-power semiconductor laser. A power source has the function of current slow-change protection, and an output current slowly rises to a working current of a laser diode when the power source is opened, thereby avoiding the condition that the power source is suddenly opened to generate an overlarge positive current gradient so as to break a semiconductor laser. When the power source is closed or the outside suddenly has power failure, the power source can still continuously supply the power to the laser diode, and then the current is slowly reduced to zero, thereby avoiding the condition that the power source suddenly has failure to generate an overlarge negative current gradient so as to break the laser diode. In addition, the power source further has the functions of reverse protection and maximum and minimum working current limitation. In the invention, the device can provide continuously adjustable, stable, reliable and constant drive current with strong resistance to interference for the small-power semiconductor laser; and the device can continuously adjust the output current within 10-100mA as required, and the current ripple peak value is not larger than 0.5% within 10-100mA output range.

The invention relates to an automatic pipe bender for stainless steel pipes and a bending method thereof. The automatic pipe bender comprises a base, a bending frame, a bending head assembly, a bending seat and a bending driving device, wherein the bending frame is installed on the base, the bending head assembly is fixed to the upper end of the bending frame, the bending seat can vertically slide on the bending frame, the bending driving device is used for driving the bending seat, the bending head assembly comprises a bending head fixed seat which is fixed to the upper end of the bending frame and a bending head which is fixed to the lower part of the bending head fixed seat, and a steel pipe bending groove is formed in the lower end of the bending head; the bending seat comprises a V-shaped bending fixed seat which is installed on the bending frame in a sliding mode through vertical guide wheels on both sides, and a plurality of bending abutting rods are arranged on the V-shaped bending fixed seat; and a steel pipe feeding device, an elbow taking device and an elbow output device are further installed on the base. The automatic pipe bender has the advantages of high bending accuracy, high bending stability, high bending efficiency and low labor intensity.

The invention relates to a voltage surge detection circuit, which comprises a rectification circuit, a surge detection circuit and a zero-cross detection circuit, wherein an input end of the surge detection circuit and an input end of the zero-cross detection circuit are respectively connected with the rectification circuit, an output end of the surge detection circuit is connected with an output end of the zero-cross detection circuit, and alternating current mains supply is converted into direct current mains supply by the rectification circuit. A mains supply alternating current voltage signal is detected by the surge detection circuit disclosed by the invention, and if the mains supply alternating current voltage signal has the surge phenomenon, the circuit takes effect, and the output surge signal is a high-level signal. The signal triggers subsequent surge protection circuits to work, and related power components are protected against damage. If the mains supply alternating current signal does not have the surge phenomenon, the output surge signal is a low-level signal. The surge phenomenon in a circuit can be accurately detected by the voltage surge detection circuit, so that a semiconductor power component in a circuit system can be effectively protected.

The invention discloses a real-time correction system for serial image data training of a CMOS image sensor, and relates to a real-time correction system for serial image data training of a CMOS imagesensor, which can solve the problems that in the prior art, due to changes of the external environment temperature or the working voltage, serial data jump changes along the relative position, and then data sampling errors exist. A time sequence control module in a single-chip controller outputs a driving time sequence signal and a control time sequence signal which are used for charge transfer,and the signals are sent to a CMOS image sensor after passing through a driver and a level converter respectively; and the output serial image data is converted into stable parallel data with a determined output effective data position through the iodelay and the iserdes controlled by the training module and the shift register with a controllable output position, and an image data format meeting application requirements is output after the stable parallel data passes through the data conditioning module. According to the real-time correction system, monitoring adjustment is carried out in theline blanking period, it can be guaranteed that stable and reliable images are output, and normal camera shooting tasks cannot be interrupted.

The invention belongs to the technical field of emergency information management and discloses a multi-disaster-point emergency rescue command and control organization resource scheduling method and amulti-disaster-point emergency rescue command and control organization resource scheduling system. The method comprises steps that a mission needing to be handled is organized according to emergencyrescue command control; an evaluation measure of resource scheduling is established; a resource scheduling model of a single rescue task is constructed by utilizing evaluation measure, a solving method capable of solving a resource scheduling problem of multiple serial rescue tasks is designed, an emergency rescue command and control organization centralized task planning technology is provided, and a problem of how to plan and use an available rescue platform of an emergency rescue decision entity is solved. The method is advantaged in that objects processed by the emergency rescue command and control organization are all subtasks of a rescue area, the core of the invention is to realize reasonable matching between the rescue platform and the rescue task, achieve the purpose of meeting the task demand to the maximum extent, and ensure the completion of the rescue task; a stable and reliable resource scheduling scheme is outputted through a heuristic optimization method.

A semiconductor laser device which has a diffraction grating partially provided in the vicinity of an active layer formed between a radiation-side reflection film provided on a radiation-side end surface of a laser beam and a reflection film provided on a reflection-side end surface of the laser beam, and which outputs a laser beam having a desired oscillation longitudinal mode based on a wavelength selection characteristic of at least the diffraction grating. The diffraction grating is formed in isolation with an isolation distance of Ls=15 μm from the radiation-side reflection film.

The invention discloses a control circuit system of an electronic bird dispeller. The control circuit system comprises a multi-resonant oscillating circuit, a boosting circuit, a voltage stabilizing circuit, a low-frequency oscillating circuit, an electromagnet control circuit and a power supply GB, wherein the multi-resonant oscillating circuit comprises a NOT gate circuit D1, a NOT gate circuit D2, a capacitor C1 and a resistor R1; the boosting circuit comprises a transistor V1, a boosting transformer T, a rectifier diode VD1, a resistor R3, a polar capacitor C2 and a capacitor C3; the low-frequency oscillating circuit comprises a NOT gate circuit D3, a NOT gate circuit D4, a NOT gate circuit D5, a NOT gate circuit D6, a resistor R7, a capacitor C4 and a diode VD2; the electromagnet control circuit comprises a transistor V2, a relay K and an electromagnet YV. With use of such a structure mentioned above, the control circuit system of the electronic bird dispeller disclosed by the invention can effectively reduce energy consumption of the bird dispeller, especially a sound bird dispeller, prolong a service life of the bird dispeller, and simultaneously enable a working status of the bird dispeller to be steadier.

The invention discloses a device and a method for obtaining energy from a high voltage transmission line, and belongs to the technical field of high voltage technologies and power source technologies.The device comprises a high-voltage capacitor, a first-stage step-down transformer, a bidirectional thyristor module, a rectifier module, a filter capacitor, a voltage monitoring module, a thyristordrive module, a DC / DC voltage regulator module, an overvoltage suppression module and a shielding box. The principle of capacitance voltage division is employed, the high-voltage capacitor set is connected in series with the primary side of the transformer to effectively improve the output power of the device for obtaining energy, two-stage voltage reduction is employed to reduce the insulation design requirement of the transformer and reduce the size of the transformer. The wiring mode is flexibly configured between the high-voltage capacitor and the first-stage step-down transformer to achieve energy obtaining at a high level end between a phase and a ground and a low level end between the phase and the ground and between phase and phase, and the device and the method for obtaining energy from the high voltage transmission line can supply power for various electric devices.

The invention discloses a three-dimensional ultrasonic vibration cutting working head. The three-dimensional ultrasonic vibration cutting working head comprises an X ultrasonic vibrating arm, a Y ultrasonic vibrating arm and tool bits, wherein the front tool bit of the X ultrasonic vibrating arm is connected with the front tool bit of the Y ultrasonic vibrating arm. The frequency, vibration amplitude and phase of three energy converters of the power type three-dimensional ultrasonic vibration cutting working head can be separately controlled and also can be controlled in a linkage manner, so that the working head realizes control over the vibration shift of the tool in X, Y and Z directions.

The invention relates to an electronic speed regulator and actuator drive circuit for diesel engine duplicated hot-redundancy. The electronic speed regulator and actuator drive circuit for the diesel engine duplicated hot-redundancy is composed of a controller end drive circuit part and a drive adapter plate. The controller end drive circuit comprises a first optical coupler, a first MOS tube, a first voltage stabilizing diode, a second freewheel diode, a first divider resistor, a fourth divider resistor, a second current-limiting resistor and a third current-limiting resistor. The drive adapter plate comprises a drive circuit part and a logic control circuit part. The drive adapter plate end drive circuit comprises a second MOS tube, a third MOS tube and a fifth coil drive selective chip. The core of achieving the fault loop passive cutting-out function is edge D triggers and eight-to-one data selectors, and reliable output of a control loop can be guaranteed through the latch function of the edge D trigger. A control circuit of a control adapter part is achieved through a simulator, and reliability is high.