SU1206756A1 - Stabilized source of pulsed electric power supply to n loads - Google Patents

Description

2. The stabilized source according to claim 1, characterized in that the controlled load current limiter is made in the form of a current stabilizer consisting of an adjustable transistor, the emitter of which is connected to the output of a constant voltage regulator through the first resistor, with the control input of the controlled load current limiter, the collector with the input of the multichannel circuit breaker and the base through the third resistor with the output of the stabilizer and through the control key with the source output voltage and control transistor, the emitter of which through the fourth resistor is connected to the output of a constant voltage regulator. The invention relates to the field of electrical engineering, namely to stabilized power sources designed to power loads, such as integrated memory chips in digital computers, pulsed stable voltage.

The purpose of the invention is to enhance the functionality by providing adjustment of the output voltages during operation and improving the stability of the output voltages.

FIG. 1 shows a diagram of the device; in fig. 2 - basic electrical diagram of the main components, disclosed to the standard elements.

The stabilized source of switching power supply .M loads contains a constant voltage regulator 1, input 2 of which is connected to the primary network, a controlled load current limiter 3 connected by an input to output 4 of a constant voltage stabilizer, a multichannel electrical circuit breaker 5 connected by an input 6 to the output of the limiter 3 load current, control inputs 7 multichannel 206756

the collector — with the control input of the controllable key, and the base — with the emitter of the control transistor; in addition, the multichannel electrical circuit breaker is made of transistors, the collectors of which are connected to the input of the multichannel interrupter and with its control output, the emitters — with the outputs of the multichannel breaker, and the bases with its control inputs.

3. The stabilized source according to claim 1, characterized in that. that the amplifiers of the pulse voltage are made on diodes connected between the outputs of the multichannel circuit breaker and the control inputs of the amplifiers of the pulse voltage.

an electrical circuit breaker is connected to external control signal sources, and the control output 8 is connected to the control circuit.

5 input 9 of a controlled limiter 3 load current, limiters 10 pulse voltage amplitudes, inputs 11 of which are connected to outputs 12 of a multichannel breaker 5 of the electric circuit, control inputs 13 of which are connected to a source of voltage levels of limiter 14, loads 15 connected to output of limiters tO of the pulse voltage amplitude.

The controlled cutter 3 of the load current can be made in the form of a current stabilizer containing a control transistor 16, the emitter of which is through a resistor 17, and the base is connected via a resistor 18 to the output 4 of a stabilizer 1 constant voltage -. , the control transistor 19, the emitter of which through the resistor 20

25 is connected to the output 4 of the voltage regulator, the base is connected to the emitter of the control transistor 16, and the collector is connected to the control input 21 of the control key 22 connected between

30 base control transistor 16

and a voltage source 23, the control input 9 of the load current limiter is connected via a resistor 24 to the emitter of the control transistor 16, a multichannel circuit breaker is provided on transistors 25, the collectors of which are connected to the input 6 of the multichannel circuit breaker and control output 8, emitters with outputs 12 of a multichannel circuit breaker, and bases with its control inputs 7.

Limiters 10 pulse voltage amplitudes can be made on diodes 26 connected between input 12 and control input 13 of limiters 10 pulse voltage amplitudes.

The DC Voltage Stabilizer and Controlled Key are standard functional units.

The stabilized source of pulsed power supplies operates as follows.

When connecting the primary network to the input 2 of the constant voltage regulator 1 at the output k of the constant voltage regulator 1, a voltage of a given value appears.

If there are no control signals at the control inputs 7 of the multichannel circuit breaker 5 at the control output 8 of the multichannel circuit breaker 5 and at the control input 9 of the control limiter 3 of the load current, there is no control signal and the current limiter is off.

If there is a control signal on any of the control inputs 7 of the multichannel circuit breaker 5 and when the loads 15 are turned on, the control output 8 of the multichannel circuit breaker 5 and the control current input 9 of the control limiter 3 of the load current appear the current is switched on, the voltage of a predetermined level is fed to the input 6 of the multichannel circuit breaker 5 and to the corresponding output 12 of the multichannel electrical circuit breaker turned on by the control of the input 7. chesky chain. The current increase during this action of the load current limiter occurs with some delay.

0

A voltage is formed at the corresponding output 12 of the multichannel electrical circuit switch, the value of which is determined by the voltage drop across the multichannel electrical circuit breaker 5. With the help of the limiter 10 of the amplitude of the pulse voltage, the pulse voltage is normalized to the required level set by the source of the voltage levels of the limit 14.

A controlled limiter 3 of the load current, made in the form of a current stabilizer, ensures the operation of the device in accordance with the description and works as follows.

In the absence of a control signal on any of the control

0 inputs 7 of the multichannel circuit breaker 5 through the resistor 24, the resistor 17 does not flow, the control transistor 19 acts on the control input 21

5 of the control key 22 in such a manner that the source 23 of the reference voltage is disconnected from the base of the control transistor 16 and the control transistor 16 is closed.

If there is a control signal at any of the control inputs 7 of the multichannel circuit breaker 3 and when the loads are turned on, the transistors 25 of the multichannel circuit breaker 5 of the circuit 5 begin to leak through the resistors 24 and 17, and the control transistor 19 opens and acts on the input 21 of the pack. -; key 22 in such a way that the source 23 of the reference voltage is connected to the base of the control transistor 16, which is opened. The regulating transistor 16, the resistor 17, the source 22 of the reference voltage form a known circuit of a compensating current regulator that maintains the current in the load with a given accuracy.

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The execution of the amplitude limiter on the pulsed diodes 26 allows to provide a predetermined speed, the voltage level is limited, and, as is known, is determined by the source of the bias on the control input 13.

Thus, the introduction of a feedback controlled circuit (8-9)

The load current limiter 3 eliminates the voltage surges on the loads that occur at the moments of connecting the loads using a multichannel circuit breaker to the load current limiter (current stabilizer) operating before this in idle mode. Such surges in high-speed devices cannot be tested by the limiter 10 of the amplitude of the pulse voltage due to its ultimate inertia.

Thus, the possibility of joint operation of the nodes and the purpose of the invention is to increase the stability of the pulse voltage to the load.

The application of the invention allows to reduce the voltage stability requirements at the output of the voltage regulator. The introduction of a feedback-controlled multi-channel electrical circuit switch, a load current limiter, reduces the voltage drop in the loads at the moment of switching on and ensures joint operation of the nodes.

Changing the voltage levels of the limitation expands the functionality of the device, as it allows you to adjust the level of stabilized impulse voltages.

Thus, the possibility of obtaining a specified magnitude in the pulsed voltages of the load, which do not contain parasitic oscillations, the possibility of varying the magnitude of the pulsed voltages in the loads according to a given law determined by the voltage levels

external sources of control of the levels of the limiter is an achievable technical effect of the invention.

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Editor L. Zaitseva

Compiled by S. Sitko

Tehred A. Babinets Proofreader S. Shekmar

Order 8711/49

Circulation 837

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab, 4/5

Branch ShSh Patent, Uzhgorod, st. Project, 4

Subscription

Claims (3)

1. STABILIZED PULSE POWER SUPPLY SOURCE N LOADS, containing a DC voltage stabilizer, the output of which is connected to the input of a multi-channel circuit breaker, N outputs of which are connected to the terminals for connecting loads, and N control inputs are connected to terminals for connecting N external sources of control signals , t is lled by the fact that, in order to expand functionality by providing adjustment of the output voltage during operation and increase the stability of the output voltages, it includes a controlled load current limiter and N surge voltage limiters connected between the outputs of a multi-channel circuit breaker and terminals for connecting N loads, and the control inputs of the pulse voltage limiters are connected to the outputs of the input voltage source of the restriction levels, the input of the controlled current limiter load connected to the output of the DC voltage stabilizer, the output to the input of a multi-channel chopper electric oh circuit, and the control input - with the control output of a multi-channel circuit breaker. 2. The stabilized source for p. 1, characterized in that the controlled load current limiter is made in the form of a current stabilizer, consisting of a control transistor, the emitter of which is connected through the first resistor to the output of the DC voltage stabilizer, through the second resistor with the control input of the controlled load current limiter, the collector with the input multichannel circuit breaker, and the base through the third resistor with the output of the stabilizer and through a controlled key with the output of the reference voltage source and the control transistor a, the emitter of which is connected through the fourth resistor to the output of the constant voltage stabilizer, the collector to the control input of the controlled key, and the base to the emitter of the control transistor, in addition, the multi-channel circuit breaker is made of transistors, the collectors of which are connected to the input of a multi- channel breaker and with its control output, emitters with the outputs of a multi-channel chopper, and the base with its control inputs. 3. The stabilized source of pop. 1, wherein the _h. that the pulse voltage amplitude limiters are made on diodes connected between the outputs of the multi-channel circuit breaker and the control inputs of the pulse voltage amplitude limiters.