467 results about "Regulated power supply" patented technology

The invention discloses a new energy medium and long term stochastic programming method and system coupled with an electro-hydrogen water regulation power supply, and the method comprises the steps: building a power supply planning model with the minimum planning operation cost as an optimization target; bringing the new energy power supply and energy storage adjusting equipment operation model and the new energy consumption rate upper and lower limit constraint expression into a power supply planning model; in consideration of the randomness of fluctuation at two sides of a source and a load in power supply planning, based on the obtained power system operation scene set S and the power supply planning model, dividing into an investment decision-making layer and an operation simulation layer according to a time period influenced by a decision, and constructing a power supply planning two-stage stochastic optimization model based on a typical scene; and solving the power supply planning two-stage stochastic optimization model under a medium and long term planning framework, and determining the investment planning installed capacity of the adjusting power supply and the new energy in the planning level year. According to the invention, economy of medium and long term planning and power supply capacity configuration of new energy can be improved, and reasonable consumption and flexible adjustment of new energy electric power are promoted.

The invention provides a surface thermometer calibration system. The surface thermometer calibration system comprises a surface heat source device, a control host, a temperature control thermometer, a reference surface thermometer and a standard thermometer, the surface heat source device comprises a glass cover, a constant-temperature disc heat source, an upper protection structure, an adjustable support and a cooling fan. The control host comprises a dual-channel high-precision thermodetector, a dual-channel program-controlled output voltage-stabilized power supply and a control module, and the control module is used for obtaining measurement results of the temperature control thermometer, the reference surface thermometer and the standard thermometer and dynamically adjusting the output voltage of the dual-channel program-controlled output voltage-stabilized power supply according to the measurement results. Temperature control of the constant-temperature disc heat source is achieved. According to the surface thermometer calibration system designed and developed by the invention, the reliability and the calibration efficiency of surface thermometer calibration can be remarkably improved, and the reliability of surface temperature value traceability is ensured.

The invention discloses a wave power generation device for an island, and relates to the technical field of power generation for the island, the wave power generation device comprises a floating body and a fixed support, the floating body floats along with sea waves, an energy generation mechanism and an energy conversion mechanism are arranged on the inner side of the fixed support, the fixed support does not float along with the sea waves, and the energy generation mechanism is arranged on the top surface of the floating body; the fixed support controls the buoyancy difference value of the floating body based on the moving state of the energy generation mechanism, the energy conversion mechanism is connected with a generator through a transmission mechanism and drives the generator through the transmission mechanism, the generator is connected with a frequency-stabilized voltage-stabilized power supply through a wire, and the frequency-stabilized voltage-stabilized power supply outputs stabilized voltage electric energy. The wave power generation device has the advantages of being high in wave energy conversion efficiency, simple and compact in structure and reliable in operation.

The invention provides a high-voltage test method and device for electrical equipment, electronic equipment and a storage medium, the method is applied to a high-voltage test device, and the high-voltage test device comprises a bearing platform, a frequency modulation and voltage regulation power supply arranged on the bearing platform, an excitation transformer, an adjustable reactor and a capacitive voltage divider. Comprising the following steps: controlling an adjustable reactor and a capacitive voltage divider to be converted from a storage state to a working state on a bearing platform; target electrical equipment is connected to the output end of the adjustable reactor to form a series resonance circuit; a target test item is determined, and the voltage output frequency and the inductance value of the adjustable reactor are adjusted according to preset target test parameters of the target test item, so that the series resonance circuit reaches a resonance state; and outputting a voltage according to the target test parameter, obtaining a test operation parameter of the target electrical equipment, and generating a target test result according to the test operation parameter. According to the invention, the testing efficiency of high-voltage testing of the ultrahigh-voltage electrical equipment can be improved.

The invention discloses a super-capacitor energy storage boost control electric energy meter high-power load switch circuit and a control method, and relates to the technical field of power systems, and the circuit comprises a charging circuit which comprises a charging branch electrically connected with a voltage-stabilized power supply and a super-capacitor electrically connected with the charging branch; the boost circuit is electrically connected with the output end of the charging circuit and comprises a power supply branch, a boost chip electrically connected with the power supply branch and a voltage division branch; and the driving circuit is electrically connected with the output end of the booster circuit and comprises a driving chip and a load switch electrically connected with the driving chip. According to the method, the occupied area of the circuit board is reduced, the space is saved, the existing super-capacitor is fully utilized, the cost is reduced, the super-capacitor discharges at a high rate, the service life is long, and the reliability is improved.

A voltage regulator includes an input power supply node, an output regulated power supply node, a flipped voltage follower circuit, and a compensation capacitor. The flipped voltage follower circuit includes an output transistor configured as a common-source amplifier circuit. A source terminal of the output transistor is coupled to the input power supply node and a drain terminal of the output transistor is coupled to the output regulated power supply node. The flipped voltage follower circuit includes a folded cascode feedback circuit. The folded cascode feedback circuit includes a folding node. The folded cascode feedback circuit is configured to receive an output regulated voltage on the output regulated power supply node and to provide a feedback signal to a gate terminal of the output transistor. The compensation capacitor is coupled to the output regulated power supply node and the folding node.

A high-speed, low-noise laser signal detection apparatus, comprising a low-noise linear regulated power supply and a laser detection processing module. The low-noise linear regulated power supply (01-03) comprises an isolation unit (01), a voltage regulation and filtering unit (02), and a reference unit (03). The laser detection processing module (04-09) comprises a laser light signal detection input unit (05), a bias unit (04), a differential amplification unit (07), an active filtering unit (08), and an output interface unit (09). An output end of the voltage regulation and filtering unit (02) is connected to the reference unit (03) and the laser detection processing module (04-09). The reference unit (03) is connected to the bias unit (04) and is configured to provide a reference voltage to the bias unit (04). The bias unit (04) is configured to provide a bias voltage to the differential amplification unit (07). The differential amplification unit (07) comprises a multi-stage in-phase proportional differential amplification circuit, and the active filtering unit (08) comprises a multi-order active low-pass filter. According to the high-speed, low-noise laser signal detection apparatus, the detection bandwidth of a laser signal can be expanded, the signal-to-noise ratio of high-frequency pulse measurement can be reduced, and the anti-interference characteristics of a power supply can be improved.

The present invention relates to the technical field of frequency converters, and in particular to a frequency converter testing device. The frequency converter testing device comprises: a testing assembly, which comprises a box body, an accommodating cavity arranged in the box body, and a back plate disposed inside the accommodating cavity; a locking assembly, which comprises a sliding block disposed on the outer wall of the back plate and a movable frame disposed inside the box body; and an adjustment assembly, which comprises fixing plates disposed inside the accommodating cavity and a plurality of engagement blocks disposed on the outer wall of each fixing plate. In the present invention, by means of the provision of the box body, a testing box, a main control board, a 24V stabilized voltage supply and an automatic take-up device are assembled within the box body to form an integrated device, thereby facilitating long-term preservation and storage and improving the stability of the device during use; a retractable seat backrest is additionally provided, when the back plate extends by means of pushing a handle, a cover plate can be locked by means of a pin shaft, and the height of the back plate can be adjusted on the basis of requirements; and when testing is required, the handle is pushed reversely, such that the back plate can retract into the accommodating cavity, and the cover plate is unlocked, thereby facilitating the opening of a toolbox for testing.

The utility model relates to the technical field of direct-current power supplies, in particular to a high-efficiency low-ripple two-cascade joint debugging direct-current voltage-stabilized power supply system, which comprises a switching power supply, a main controller circuit, a power conversion circuit, an auxiliary power supply module and a serial port communication module, and is characterized in that the main controller circuit is respectively connected with the power conversion circuit, the auxiliary power supply module and the serial port communication module; the main controller circuit is connected with the switching power supply through the gate driver and is used for adjusting the output of the switching power supply, the main controller circuit controls the conversion of the power conversion circuit through an adjusting signal to obtain an actual output voltage, carries out error comparison on the actual output voltage and a set voltage, and dynamically adjusts the output voltage through a PID algorithm; the auxiliary power supply module is used for providing stable power supply voltage for the power conversion circuit and the serial port communication module; the serial port communication module is used for monitoring output voltage and current. According to the utility model, low ripples can be maintained on the premise that high efficiency is maintained.

The utility model relates to the technical field of direct-current voltage-stabilized power supplies, and discloses a mining direct-current voltage-stabilized power supply, which comprises a shell, a slot is arranged in the shell, a bottom plate is movably inserted in the slot, a direct-current voltage-stabilized power supply body is fixedly connected onto the bottom plate, U-shaped jacks are arranged on two sides of the slot in the shell, and the U-shaped jacks are inserted into the slot. U-shaped inserting holes are formed in the bottom plate, inserting blocks are movably inserted into the U-shaped inserting holes, a connecting plate is fixedly connected between the inserting blocks on one side, a first inserting groove matched with the inserting blocks is formed in the bottom plate, a sealing cover is arranged on the shell, a sliding mechanism for driving the connecting plate to move is arranged on the sealing cover, and inserting rods arranged in an array are movably inserted into the sealing cover. Compared with the prior art, the voltage-stabilized power supply has the advantages that the voltage-stabilized power supply is convenient to disassemble and maintain, so that the voltage-stabilized power supply does not need to be disassembled by removing bolts one by one, and time and labor are saved.

The invention relates to an electroosmosis grouting structure for improving uniform distribution of enzyme-induced mineralization products in shallow sand, which comprises a first electroosmosis grouting assembly and a second electroosmosis grouting assembly which are inserted into the shallow sand to be reinforced, the second electroosmosis grouting assembly is connected to the negative electrode of the direct-current stabilized power source through a wire, the first electroosmosis grouting assembly and the second electroosmosis grouting assembly each comprise at least one electroosmosis grouting pipe, and graphite carbon rings are arranged on the peripheries of the electroosmosis grouting pipes. The electroosmosis, grouting and slurry pumping functions are integrated in the electroosmosis grouting structure, and the diffusion distance of ions in the soil body is further increased, so that mineralized products of the soil body are distributed more uniformly; the problems that in the microbial mineralization technology, the carbonate crystal yield is gradually reduced along with the seepage path, so that the reinforcing effect of the soil body away from the grouting pipe in large-area foundation treatment is poor, and the overall reinforcing effect is not uniform are solved.

The invention relates to the technical field of direct-current stabilized power supply performance testing, in particular to a direct-current stabilized power supply performance parameter testing method and system, and the method comprises the steps: collecting the output voltage data of a direct-current stabilized power supply within a preset time period under each preset target output voltage; uniformly dividing each preset time period into each sub-time period and numbering the sub-time periods according to a time sequence to obtain an amplitude distribution coefficient of each same frequency under each target output voltage; screening the characteristic frequency of each ripple; acquiring amplitude change characteristic values of the same ripple characteristic frequencies in the same sequence number sub-periods under all target output voltages; acquiring the ripple same-frequency difference degree of each same ripple characteristic frequency; screening each ripple frequency from all the same ripple characteristic frequencies, and obtaining the ripple floating ratio of each target output voltage; and evaluating the abnormal condition of the performance of the DC stabilized power supply. The invention aims to realize comprehensive and accurate evaluation of the performance of the direct-current stabilized power supply.

1. Name of the Design Product: Power Supply (Linear Regulated Power Supply). 2. Use of the Design Product: For DC regulated power supply. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1.

The application provides an AM-PM distortion calibration method applied to an UWB transmitter and belongs to the field of UWB communication. The method adds a sampling resistor between a linear voltage stabilizing power supply LDO and a digital power amplifier DPA driving stage of the UWB transmitter using a digital power amplifier, so as to simulate the instantaneous change of the power supply voltage of the DPA driving stage when the UWB pulse is transmitted; an adjustable delay unit is added between a carrier input port LO and the DPA driving stage; the continuous sine wave is transmitted, the phase information under each digital baseband amplitude control word is collected to form original data of the AM-PM distortion of the UWB transmitter, the digital baseband output AM-PM control word is used to control the adjustable delay unit to output the phase which is opposite to the original data and has the same size, so that the phase predistortion of the transmitted UWB pulse is realized, and the AM-PM distortion calibration is completed. The application has the advantages of simple implementation and strong compensation capacity.

An amplification circuit for a radio-frequency signal comprises a transistor power amplifier (100) and a fixed regulated power supply (110) for providing an output supply voltage to the transistors (100). The circuit comprises a modulator (160) regulating the output supply voltage in a continuously variable manner, said modulator being dependent on a detector (150) measuring an output radio-frequency signal of the transistor.

The utility model discloses a three-stage AC parallel voltage-stabilized power supply system, which comprises a plurality of voltage-stabilized power supply modules capable of being expanded in parallel, the input ends of the voltage-stabilized power supply modules are used for being connected with 220V AC commercial power, and the output ends of the voltage-stabilized power supply modules are used for being connected with loads; each voltage-stabilized power supply module comprises an APFC converter, a DC-DC converter and an H-bridge inverter which are sequentially connected in series. The system is simple in structure, reasonable in design and convenient to realize, can stably output alternating current 220V voltage and power of 3kW under the condition of wide-range input voltage by adopting three-stage series connection, simultaneously has the functions of multi-stage parallel connection of modules, remarkably improves the stability and anti-fluctuation capability of the power supply system, ensures stable and reliable output, is good in use effect, and is suitable for popularization and application. The popularization and use are convenient.

The invention provides a high-precision voltage-stabilizing constant-current power supply for continuous discharge of a CO2 laser, which relates to the technical field of high-voltage voltage-stabilizing constant-current power supplies and comprises a high-voltage direct-current voltage-stabilizing power supply and a high-impedance amplification loop. The high-voltage direct-current voltage-stabilized power supply is boosted by a transformer, rectified by a rectifier bridge and stabilized by a filter capacitor, and continuously adjustable high-voltage output of 0-30kV is provided; the high-impedance amplification loop is composed of an operational amplifier, a three-stage triode amplification circuit and an electronic tube, the output impedance reaches up to 650 megohms, and the high-impedance amplification loop has the excellent constant-current characteristic. The power supply can accurately adjust the output current in the range of 0-30mA, the current fluctuation is less than one thousandth, the power supply can continuously and stably operate for more than 18 hours, and the power supply is suitable for laser discharge control in a high-temperature and high-density plasma environment. According to the invention, high-precision output is realized by adopting common performance devices, the advantages of voltage resistance, overload resistance and cost are considered, and the problems of poor current stability and inconvenient adjustment of a traditional laser power supply are solved.

The invention relates to a low-power-consumption linear voltage stabilizing circuit and a voltage stabilizing power supply. The low-power-consumption linear voltage stabilizing circuit comprises a depletion type field effect transistor, a voltage stabilizing circuit, a voltage stabilizing circuit and a voltage stabilizing circuit, the feedback circuit is connected in series with the depletion mode field effect transistor to form a first current branch and is used for generating feedback voltage according to the output voltage; and the control circuit is connected in series with the depletion type field effect transistor to form a second current branch and is used for generating a starting voltage not less than a starting threshold according to the feedback voltage when the power supply voltage is reduced to the output voltage so as to adjust the output voltage to be stable according to the starting voltage. The two current branches are adopted, so that the quiescent current can be further reduced, and the extreme low-power-consumption requirement is met. Meanwhile, a depletion mode field effect transistor is used as a power tube, and the power tube can still be normally started to work when the power supply voltage is low to the output voltage, so that enough high output voltage can be provided for a post-stage circuit to use in a scene that the power supply voltage is relatively low.

The invention provides a high-voltage precise adjustable analog linear direct-current stabilized power supply, which comprises a signal processing unit, a rectifying and filtering unit, a control unit and a voltage stabilizing unit, and is characterized in that the signal processing unit is used for performing voltage amplification on received external signals and outputting the external signals to the control unit; the rectifying and filtering unit is used for rectifying and filtering input alternating current to obtain direct current and supplying power to the control unit; the control unit is used for sampling the output voltage of the power supply and adjusting the output voltage based on a sampling signal and an external signal so as to control the output value of the voltage stabilizing unit; and the voltage stabilizing unit is used for carrying out step-by-step current amplification based on the received output voltage so as to adjust the output voltage of the voltage stabilizing unit, filtering the output voltage and finally outputting the output voltage. According to the invention, the problems of high procurement and maintenance cost of the existing foreign imported linear adjustable power supply and large ripple, poor stability, obvious voltage drift and limited voltage regulation range of the common linear voltage-stabilizing direct-current power supply and the switching power supply in the market are solved.

The application discloses a high-duty-cycle control system of a step-down DC-DC switching power supply, which is additionally provided with a high-duty-cycle control system on the basis of a basic structure of the switching power supply and comprises an LDO, a diode D2 for charging a capacitor C1 by the LDO, an error amplifier, a current comparator, an OR gate, a pulse generator, an RS latch and an under-voltage lockout circuit for detecting a voltage VBS between the capacitor C1. The under-voltage lockout circuit detects the voltage VBS between the capacitor C1, when the voltage is insufficient, temporarily turns off a charging switch tube M1, charges the capacitor C1 for providing a stable voltage power supply for a driving circuit during the turn-off of the M1, restores the power supply voltage of the driving circuit, and then reopens the M1, so as to realize the high-duty-cycle conduction of the NMOS type charging switch tube.

The present invention relates to a circuitry system (1). The circuitry system (1) comprises a reservoir power rail (12), a regulated power rail (14), a logic circuitry (18) connected to the regulated power rail (14), wherein each of the reservoir power rail (12), regulated power rail (14) and logic circuitry (18) is connected to respective voltage supply source (16), characterized by a dynamic decoupling capacitor (10) connecting the reservoir power rail (12) to the regulated power rail (14), and in communication with the logic circuitry (18), wherein the dynamic decoupling capacitor (10) is configured to match a total-charge of injected-current, ldecap, from the reservoir power rail (12) with a total-charge of load-current, lload, supplying to the logic circuitry (18). A method for regulating voltage of the circuitry system (1) is also disclosed herein.

The invention provides a product vehicle simulation training control system and method, and belongs to the technical field of product vehicle simulation training control. In order to solve the technical problems that the number of training tasks of existing product vehicle simulation training equipment is small, irreversible abrasion exists on the equipment, the function is single, and the training effect is limited, the adopted product vehicle simulation training control system comprises a comprehensive control cabinet, a mobile power station, a vehicle body sensing control module, a hydraulic pump station and peripheral display control equipment. A comprehensive control box, an alternating-current distribution box, a direct-current stabilized power supply, a storage battery cabinet, an energy monitoring unit and an intelligent power distribution unit are arranged in the comprehensive control cabinet; the vehicle body sensing control module is arranged in an oil cylinder of the simulation product vehicle, in each equipment cabin and on a vehicle frame; the control end of a PLC host in the comprehensive control box is connected with a vehicle body sensing control module, a hydraulic pump station, peripheral display control equipment and a vehicle control execution mechanism through wires. The method is applied to product vehicle simulation training.

The invention discloses a wide voltage input multistage voltage-stabilized power supply system, which relates to the technical field of vehicle-mounted power supplies, and comprises an input protection unit, the input end of which is connected with a vehicle power supply and is used for preventing the positive and negative electrodes of the vehicle power supply from being reversely connected and outputting an input voltage, and the input voltage range is 8V-60V; the input end of the high-voltage stabilizing unit is connected with the output end of the input protection unit, and the high-voltage stabilizing unit is used for converting the input voltage into 12V voltage and outputting the 12V voltage; the input end of the medium-voltage stabilizing unit is connected with the output end of the high-voltage stabilizing unit, and the medium-voltage stabilizing unit is used for converting 12V voltage into 5V voltage and outputting the 5V voltage; the input end of the low-voltage stabilizing unit is connected with the output end of the medium-voltage stabilizing unit, and the low-voltage stabilizing unit is used for converting 5V voltage into 3.3 V voltage to be output, so that the problem that various standard voltages cannot be output at the same time in the prior art is solved.

The invention relates to a device and method for evaluating the influence of a power supply noise group on phase noise of a phase-locked loop, and relates to the technical field of phase-locked loops, and the device comprises a sine phase discriminator which detects the phase difference between an external reference signal and a feedback signal of a voltage-controlled oscillator; the input end of the loop filter is connected with the output end of the sine phase discriminator; the input end of the voltage-controlled oscillator is connected with the output end of the loop filter; establishing a phase-locked loop simulation model composed of a sine phase discriminator, a loop filter and a voltage-controlled oscillator; selecting a linear voltage-stabilized power supply series, and calculating a phase noise matrix with power supply noise corresponding to each model; different types of linear voltage-stabilized power supplies are respectively used for supplying power, and actually measured phase noise data corresponding to each type are tested and recorded; power supply noise group distribution is fitted by adopting a power law function, and optimal linear voltage-stabilized power supply model selection under the phase-locked loop architecture is determined. The method has the beneficial effects that the accuracy of predicting the phase noise is improved, the optimal solution is realized, and the model most suitable for the phase-locked loop architecture in the LDO series is selected.

The invention provides an emergency floating system power-on inspection device and method. Comprising a simulator, the simulator is internally provided with a plurality of power-on inspection circuits corresponding to explosion caps of the emergency floating system to be inspected in a one-to-one mode, and each power-on inspection circuit comprises a self-holding relay, a current-limiting resistor and an excitation circuit; the indicating unit comprises a plurality of indicating lamps which are in one-to-one correspondence with the power-on checking circuits; the reset switch is used for controlling on-off of a power supply of the device and state reset of the self-holding relay; the direct-current stabilized power supply is used for supplying power to the device; the acquisition and calculation board card is used for acquiring voltage signals in each power-on check circuit and calculating time difference of activation of the plurality of energy storage capacitors; the display screen is connected with the acquisition and calculation board card and is used for displaying a detection result; wherein the device is connected with a gas cylinder interface of the emergency floating system through an interconnection cable assembly, so that the simulator is connected into a system loop; the excitation circuit is used for enabling the corresponding self-holding relay to act when an inflation instruction is simulated and received; and after the self-holding relay acts, the corresponding indicating lamp is switched on to form an indicating loop.

The utility model relates to a multipath adjustable DC stabilized power supply comprising a control module and at least two DC output channels, and each DC output channel comprises a DC converter, a feedback resistor, a variable resistor and a differential analog-to-digital converter. The power input end of the direct-current converter is connected with a direct-current signal source; the power output end of the direct-current converter is connected with the input end of the load electric appliance; the feedback resistor and the variable resistor are connected in series to form an output feedback circuit, a first end of the output feedback circuit is connected with a power output end of the direct-current converter, a second end of the output feedback circuit is grounded, and one end, connected with the feedback resistor, of the variable resistor is connected with a feedback input end of the direct-current converter. The control module is connected with the control input end of the variable resistor; the input end of the differential analog-to-digital converter is connected with a load electric appliance, and the output end of the differential analog-to-digital converter is connected with the control module. The utility model can accurately obtain the voltage at the power utilization end and adjust the output voltage, thereby ensuring the voltage at the power utilization end to be stable and accurate.

The invention belongs to the technical field of coal mine safety monitoring, and relates to a coal mine working face mining-induced stress monitoring system and a construction method thereof.The coal mine working face mining-induced stress monitoring system comprises a plurality of wireless sensing nodes which are arranged in a coal body drill hole in an equal difference mode in the working face trend, and each node comprises a three-dimensional stress sensor, a data acquisition module, a wireless communication module and a power module; the drilling depth extends to a mining influence area according to an equal difference sequence, and the distance between every two adjacent nodes is smaller than or equal to 10 m; the pressure monitoring substation is connected with each wireless sensing node through a wireless network, and a modulation demodulator and a voltage-stabilized power supply are arranged in the pressure monitoring substation to realize signal conversion and power supply; and the system host communicates with the pressure monitoring substations through a wired network, configures a data processing unit, a digital twin model and a human-computer interaction interface, dynamically analyzes stress distribution and generates an early warning signal. According to the method, the full-depth coverage monitoring of the mining influence area is realized for the first time through the equal-difference drilling layout (20m, 22m, 24m... 50m) and the grading of the depth monitoring points.

The invention provides a current calibration system, method and device, electronic equipment, a medium and a vehicle, and relates to the field of current calibration. The method comprises the steps that if an upper computer determines that the energy storage value of an energy storage part is not smaller than the target energy storage value of the energy storage part and detects that the voltage working state of a controller is normal, a calibration instruction is sent to the controller; the controller responds to the calibration instruction and detects the voltage of a sampling port of the controller, so that a control circuit of the controller is switched on, and the energy storage piece releases pulse current in pulse time; and the controller compares the first peak current sent by the upper computer with the second peak current sent by the internal current sensor to obtain an error value between the first peak current and the second peak current, so that the energy storage part is used for replacing the voltage-stabilized power supply to provide pulse current for the to-be-calibrated product for current calibration. Problems of large heating amount and high equipment power requirement caused by using a voltage-stabilized power supply to supply power in a current calibration process are avoided.

1. The name of the design product: regulated power supply (D3). 2. The use of the design product: for DC regulated power supply. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the field of vehicle-mounted electronic product power supply, and particularly discloses a stabilized power supply output system and an output method thereof.The system comprises a voltage reference chip, a first triode, a second triode, a power MOS tube, a first resistor, a second resistor, a third resistor and a fourth resistor; the third resistor and the fourth resistor are connected in series between the power output end and the ground, the voltage dividing point is connected with the base electrode of the second triode, the emitter electrode is grounded through the first resistor, and the collector electrode is connected with the source electrode of the power MOS tube through the fifth resistor and used for adjusting the voltage stabilizing output voltage limit value according to the normal working voltage limit value of a back-stage load. When the voltage of the input end is smaller than the set voltage-stabilizing output voltage limit value, the output voltage is kept consistent with the input voltage, and when the voltage of the input end is larger than the set voltage-stabilizing output voltage limit value, the output voltage is kept at the set voltage-stabilizing output voltage limit value. The circuit can meet the requirement of a large-power load, and can still work normally when the power supply voltage changes.