Device for controlling the accumulating device
FIELD: machine engineering.
SUBSTANCE: device for controlling the amount of energy stored in the storage device includes a control unit that is configured to adjust the power received through the input of the control device based on the amount of energy stored at a current time in the storage device and which is further configured with the output of the regulated power through the output of the control device to the storage device.
EFFECT: increasing the reliability of the storage device in conjunction with the load, in particular with the lighting device.
15 cl, 6 dwg
SUBSTANCE: invention is referred to radio engineering and automotive industry, in particular to stabilisers stabilising characteristics of electric circuits, and may be used in devices stabilising light intensity in electric equipment of automotive vehicles. Technical result is oriented towards improved reliability and stabilising quality of LED intensity. Technical result is attained due to the fact the stabiliser contains additional in-series resistor and light-emitting diode (LED) coupled to the stabiliser output, and a divider element connected between the base and negative pole of the source is made as a photocell and located in the pathway of LED light flux.
EFFECT: invention improves reliability and stabilising quality of LED brightness due to changes in wide range of LED glow intensity at small changes in supply voltage; it also has larger functionality.
SUBSTANCE: invention relates to an output current stage. The invention proposes output current stage (100) having input (IN), output (OUT) for connection to the input of device (200), to which current shall be fed, control stage (T1, T2, Z1) that establishes output current (Iout) and energy supply stage (Uv; Uv, -Uv) that is capable of provision of output current (Iout) energy. Output current stage (100) has the first transistor (T1) that controls output current in a closed cycle in a passive operating mode and the second transistor (T2; T2, T3) that controls output current (Iout) in a closed cycle in an active operating mode; with that, the first transistor (T1) and the second transistor (T2; T2, T3) are controlled by control stage (OP1) in an open cycle, and when in the active operating mode, the energy supply stage (Uv; Uv, -Uv) is controlled in an open cycle so that it can provide energy of output current (Iout).
EFFECT: creation of an output current stage with automatic active-passive switching.
6 cl, 5 dwg
SUBSTANCE: invention relates to the field of electrical equipment and can be used in digital control systems of DC voltage converters with the function of suppression of the hazardous oscillations of output voltage occurring at a certain set of parameters of the system. In the nonlinear dynamics control system the control system consisting of the main subsystem and the control auxiliary subsystem, approximators on the basis of neural networks is connected to the power part of the converter. The converter control signal provides the stabilization of average value of output voltage. In the system the correction of error signal is provided, thus the stabilization of the design dynamic mode (1 cycle) is provided.
EFFECT: ensuring of pre-set nonlinear dynamic properties of the system and pre-set parameters of speed and accuracy of output voltage stabilization in case of refusal from parametrical synthesis.
SUBSTANCE: device comprises auxiliary power supply source connected to automobile 12 V accumulator battery, half-bridge transistor converter, current-limiting resistor, current sensor, transformer-rectifying cascade, input filter, output filter, the first and second power amplifiers for transistor control of half-bridge transistor converter, voltage regulator, comparator, RS-trigger and toggle flip-flop, the first and second relays, voltage sensor at positive input terminal of half-bridge transistor converter, the first and second 4OR-NOT logic elements; the device also comprises square-wave generator and power supply source includes step-down PWM-regulator formed by in-series valve and field transistor, and the third power amplifier connected to gate of the field transistor, at that the second output of voltage regulator through indicator is connected to positive terminal of automobile 12 V accumulator battery.
EFFECT: improved power characteristics and expanded functionality of the device.
SUBSTANCE: electronic stabiliser comprises a ballast resistor connected in series to the load and a regulating element based on two series-connected transistors, feedback divider and voltage rectifying divider, all of them connected in parallel to the load, at that one arm of the feedback divider is made as in series stabilitrons and resistor, the centre tap of the feedback divider is connected to input of the first transistor while the centre tap of the rectifying divider is connected to input of the second transistor.
EFFECT: higher reliability of the stabiliser.
SUBSTANCE: device contains five transistors, three resistors and a current source which is coupled between the power supply bus and output terminal; the first resistor is coupled by its first output to the common bus, the second and third resistors are connected by their first outputs to the output terminal; bases of the first and the second transistors are connected to collectors of the first and fifth transistors and bases of the fourth and fifth transistors; the second output of the first resistor is coupled to emitter of the second transistor; emitters of the first and third transistors are connected to the common bus; collector of the third transistor is connected to the output terminal; the base of the third transistor is connected to collectors of the second and fourth transistor; emitter of the fourth transistor is connected to the second output of the second resistor; emitter of the fifth transistor is connected to the second output of the first resistor.
EFFECT: receipt of thermally stable output voltage, which value is close to doubled energy gap width of the used semiconductor.
SUBSTANCE: in bridge self-maintained voltage transducer the secondary winding of a transformer is used to design a transistor saturation source. The result is obtained due to the bridge self-maintained voltage transducer with transistor saturation source which comprises the first, second, third and fourth transistors and their collectors, emitters of the first and second transistors, resistors, a transformer, a filter capacitor and the power source bus.
EFFECT: reducing power loses at transistors of the bridge self-maintained voltage transducer and increasing its reliability.
SUBSTANCE: voltage stabiliser includes first and second transistors connected by emitters to a common bus, first and second resistors connected by first outputs to the common bus, third transistor connected by emitter to second output of the first resistor, third resistor connected by first output to connection point of first transistor base and third transistor collector, fourth transistor connected by collector to output terminal, fourth resistor connected by first output connection point of second output of third resistor and fourth transistor emitter, second transistor collector and base connected to second output of fourth resistor, fifth resistor connected by first output to output terminal and by second output to connection point of fourth transistor base and second output of second resistor, fifth and sixth transistors connected by emitters to power bus and by bases to sixth transistor collector, seventh transistor connected by collector to power bus, eighth transistor connected by emitter to output terminal, current source inserted between power bus and connection point of eighth transistor base and first and fifth transistor collectors, sixth resistor inserted between second and third transistor bases, eighth transistor collector connected to sixth transistor collector, seventh transistor base connected to eighth transistor base, seventh transistor emitter connected to output terminal.
EFFECT: output voltage of stable temperature, reduced minimum difference of stabiliser input/output voltage.
SUBSTANCE: device includes first and second resistors connected with their first outputs to power bus, third resistor connected with one its output to the common bus, first transistor connected with its source to second output of the first resistor, second transistor connected with its emitter to the common bus, third transistor connected with its collector to gate connection of the first transistor with second output of the second resistor, fourth and fifth resistors with their first output connected to collector of the second transistor, second output of the fifth resistor connected to bases of the first and third transistors, emitter of the third transistor connected to second output of the third resistor, second output of the fourth resistor and drain of the second transistor connected to output circuit.
EFFECT: reduced temperature coefficient of output voltage.
SUBSTANCE: invention refers to electric engineering and can be applied in spacecrafts for current limitation in electric power supply system of solar battery panel opening for a drive opened to the limits. Redundant DC stabiliser includes control element (CE) connected in series with current sensor and load and based on four n-channel MIS transistors connected in parallel and in series, negative CE output connected via current sensor to common power supply bus and positive output connected via load to positive power supply bus; four identical control circuits (CC) of CE MIS transistors are added; each CC output is connected to gate of separate MIS transistor of CE; negative power supply output of each CC is connected to common power supply bus and positive output is connected to positive power supply bus; gauge input of each CC is connected to the point of CE connection with current sensor; each CC includes input non-inverting amplifier with its input connected to CC gauge input and output connected to inverting input of output amplifier (OA), output of which is connected to CC output; reference voltage source with its output connected to non-inverting input of OA; power supply pulse generator with its output connected to inverting OA input.
EFFECT: improved reliability of DC stabiliser.
FIELD: voltage regulation circuits used in manufacture of chip-carrying card integrated circuits.
SUBSTANCE: proposed circuit has series regulator L with field-effect transistor M1. Series-connected between source lead placed at higher potential VDDext and gate lead M1 are capacitor C1 and second field-effect transistor that functions as transmitting gate TG1 controlled by power/reset signal POR. Applying external supply voltage VDDext with series-connected transmitting gate TG1 drives in conduction field-effect transistor M1 in compliance with charge of capacitor C1 that takes place in the process. As this charge takes certain time, overshoot of internal voltage VDDint can be avoided.
EFFECT: reduced degree of overshoot when driving transistor in conduction.
3 cl, 5 dwg
FIELD: electric engineering.
SUBSTANCE: support voltage source has first and second amplifiers 5, 6, two power sources 7, 8 of opposite polarity, first and second resistors 1, 2, connected serially and connected between common point 7, 8 and inverse input 5, connected to output 6, and serially connected third and fourth resistors 3, 4, which are connected to middle point of resistors 1, 2 and to output of amplifier 5, inverse amplifier input 6 is connected to middle point of resistors 3, 4, while non-inverse inputs of amplifier 5, 6 are connected by common point 7, 8. as first and fourth resistors a non-linear element is connected, having volt-ampere characteristics of voltage stabilizer. As resistor 2 or 3 non-linear element is connected, having volt-ampere characteristics of current stabilizer.
EFFECT: simplified construction.
2 cl, 4 dwg
FIELD: power units designed to ensure spark safety of loads.
SUBSTANCE: proposed device 200 designed to supply with power spark-proof load provided with feedback circuit of integrated current supply and current limiting component and also to minimize voltage that should be limited in compliance with sparking safety standards has power supply PS and output terminals T1-T2 for connecting device to spark-proof load. Voltage limiting unit Z1 inserted between power supply PS and output terminals T1-T2 is used to limit voltage across load leads. Current limiting unit 202 has barrier resistors designed for current-to-voltage conversion to provide for comparison by operational amplifier that controls variable impedance Q1 and limits current supply to load.
EFFECT: reduced manufacturing cost, improved sparking safety.
19 cl, 3 dwg
FIELD: electric engineering.
SUBSTANCE: for controlling constant voltage pulse stabilizer current value of stabilized voltage is measured, measured value is compared with constant support voltage, on basis of discordance signal by means of synchronization voltage of saw-like shape broad-pulse modulated signal is formed, used for controlling adjusting stabilizer element. Also, this signal is demodulated and received correction signal is added to discordance signal. When selecting correction signal transfer coefficient, static error value of voltage stabilization is corrected. It is possible to ensure equality of static error to zero by selecting transfer coefficient appropriately. Current control method is effective for different variants of direct voltage converters (of increasing, decreasing and inverting types) and different modes of their operation (as with continuous, as with discontinuous stabilizer throttle currents).
EFFECT: lesser static error of voltage stabilization in case of external interference (change of inlet voltage or load resistance, influence of non-ideal elements of stabilizer power circuit).
FIELD: electric engineering.
SUBSTANCE: device has compound adjusting element 1, force transistor 2, synchronization transistor 3, discordance signal amplifier 4, resistor 5, protective transistor 6. when main power fails, protective transistor opens to lift voltage from collector of transistor 3 and amplifier 4. this provides protection for transistor 3 from overload and increases reliability of stabilizer operation.
EFFECT: higher reliability, higher efficiency.
FIELD: electric engineering.
SUBSTANCE: device has adjusting element 2, input of which is connected to input 1 of voltage transformer, and output - to first output of voltage transformer, block 3 for controlling protection, output of which is connected to control input of adjusting element 2, overload detector 6, connected to common bus and input of which is connected to second output of voltage transformer. Also provided are repeated enabling delay block 4 and overload duration determining block 5.
EFFECT: higher efficiency, broader functional capabilities.
FIELD: electric engineering.
SUBSTANCE: device has broadband pulse modulator, power amplifier, field transistor, service electric power source, special pulse generator, overload protection device, voltage stabilizer, voltage check connection device, also provided is overload protection device with first optic couple and differential amplifier, check connection device is made on two differential amplifiers and second optic couple, LC-filter, four resistive dividers.
EFFECT: higher reliability, lower costs, higher quality.
FIELD: converter and pulse engineering; feeding pulse-power loads.
SUBSTANCE: proposed converter designed to convert dc to pulse energy has power buses 1 with forward diodes 2, 3, regulating transistor 4 with control unit 5 in base circuit, output transformer 6 with two sections 7, 8 of input winding, first and second capacitors 9, 10 connected to starting lead of winding section 7 and to finishing lead of section 8, second leads of capacitors 9 and 10 being connected to emitter and collector of transistor 4, respectively. Novelty is that finishing lead of first section 7 is connected to collector and starting lead of second section 8, to emitter of regulating transistor 4 through cumulative magnetically coupled windings 11, 12 of choke 13, and diodes 2, 3 of power buses are connected to common point of input winding section and choke winding 13 cumulatively with transistor 4. Power buses are shorted out by additional diode 14.
EFFECT: reduced switching losses.
2 cl, 2 dwg
FIELD: electronics and automatic control; power converter engineering.
SUBSTANCE: proposed method for stepless regulation of ac voltage and its phase variation includes conversion of sine-wave voltage by means of inverter into sequence of amplitude- and length-modulated bipolar pulses of much higher frequency followed by their rectification to produce sine-wave voltage of original frequency across output of ripple filter. Its amplitude is proportional to relative pulse length and phase reversal occurs in response to variation in operating phase of synchronous rectifier switches.
EFFECT: reduced size and ability of varying output voltage phase.
1 cl, 2 dwg
FIELD: the invention refers to the sources of electric supply of electron aids whose functioning is carried out on the principles of electronic engineering and/or radio technique.
SUBSTANCE: the aids include at least one active element with three or more electrodes particularly a transistor and using this active element(elements) carry out amplification, conversion or generation (formation) of working electric signals of alternating or direct voltage including broadband signals. The mode and the arrangement for electric supply of predominantly portable electron aids is carried out by way of using at least one a three-electrode active element, amplification, conversion or generation of an electric signal of alternating or direct voltage based on supplying voltage on the clamps of the electron aid, impulse voltage whose on-off time ratio is within the limits of 1,1-20,0 is used as supply voltage. In the second variant of the mode and of the arrangement the impulse voltage has the following parameters: the frequency of impulses is at least one level higher than the maximum frequency of the spectrum of the electric signal of alternating voltage or at least one level less than the minimal frequency of the spectrum of this electric signal, and the duration of the impulse fronts is at least one level less than the magnitude inverse to the maximum frequency of the spectrum of the electric signal of alternative voltage.
EFFECT: decreases electric consumption.
10 cl, 3 dwg