CN218352402U - Voltage regulating circuit of intelligent chip - Google Patents
Voltage regulating circuit of intelligent chip Download PDFInfo
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- CN218352402U CN218352402U CN202222871767.4U CN202222871767U CN218352402U CN 218352402 U CN218352402 U CN 218352402U CN 202222871767 U CN202222871767 U CN 202222871767U CN 218352402 U CN218352402 U CN 218352402U
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Abstract
The utility model discloses a voltage regulating circuit of an intelligent chip, which relates to the technical field of power supply, and comprises a voltage regulating module, a voltage regulating module and a voltage regulating module, wherein the voltage regulating module is used for carrying out voltage stabilizing regulation through a DC-DC regulating circuit and outputting the regulated voltage by an output module; the intelligent control module is used for outputting a control signal and receiving a feedback signal; the output sampling adjusting module is used for sampling voltage and changing the voltage value of a sampling signal; the output sampling module is used for outputting samples; and the switch control module is used for judging whether the output electric energy is in a safety range and controlling the voltage regulation module to work. The utility model discloses the voltage regulating circuit of intelligent chip realizes adjusting the steady voltage of input electric energy through the signal of DC-DC regulating circuit cooperation output sampling regulating module feedback, and accessible intelligent control module output control signal adjusts the voltage value of the signal that output sampling regulating module adopted, changes input voltage regulating module's feedback signal, and intelligent regulation output voltage carries out the circuit protection by on-off control module simultaneously.
Description
Technical Field
The utility model relates to a power technology field specifically is an intelligent chip's regulator circuit.
Background
Along with the development of modernization, people's life and development all can not leave electric power, high-quality voltage regulating circuit can provide high-quality electric power for the consumer, can avoid the damage of consumer, prolong the life of consumer, and provide the work efficiency of consumer, current voltage regulating circuit adopts special voltage regulating circuit to realize the regulation to output voltage through fixed output feedback signal mostly, it needs comparatively complicated feedback regulating circuit to want further carry out output voltage regulation, and the electric energy error after the regulation is great, cause the damage of excessive pressure or undervoltage and lead to the circuit easily, there is certain potential safety hazard, consequently, await improvement.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an intelligent chip's voltage regulator circuit to solve the problem that proposes among the above-mentioned background art.
The basis the embodiment of the utility model provides an in, provide an intelligent chip's regulating circuit, this intelligent chip's regulating circuit includes: the intelligent control system comprises a power supply module, a switch control module, a voltage regulation module, an output module, an intelligent control module, an output sampling regulation module and an output sampling module;
the power module is used for carrying out voltage reduction, rectification and filtering processing on input alternating current and outputting direct current electric energy;
the voltage regulating module is connected with the power supply module and the output sampling regulating module and is used for receiving a signal fed back by the output sampling regulating module through a DC-DC regulating circuit and carrying out voltage stabilization regulation on the direct current electric energy output by the power supply module through the DC-DC regulating circuit;
the output module is connected with the voltage regulating module and used for receiving and outputting the electric energy output by the voltage regulating module;
the intelligent control module is connected with the output sampling module, is used for outputting a control signal and is used for receiving a signal fed back by the output sampling module;
the output sampling adjusting module is connected with the intelligent control module and the output module, is used for performing voltage sampling on the electric energy output by the voltage adjusting module through the first sampling circuit and outputting a first sampling signal, is used for receiving the control signal, controlling the resistance circuit to be merged into the first sampling resistor and changing the voltage value of the first sampling signal, and is used for feeding back the first sampling signal and the changed first sampling signal to the voltage adjusting module;
the output sampling module is connected with the output module and used for sampling the electric energy output by the voltage regulating module and outputting a second sampling signal;
the switch control module is connected with the power supply module, the output sampling module and the voltage regulating module, and is used for judging whether the second sampling signal is in a safety range or not and controlling the work of the power switch circuit through the output comparison circuit, and controlling the work of the voltage regulating module through the power switch circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the regulator circuit of intelligent chip provides required electric energy by power module, and the signal that passes through DC-DC regulating circuit cooperation output sampling regulating module feedback by voltage regulation module realizes the DC-DC steady voltage regulation to the input electric energy, still can adjust the voltage value of the signal that output sampling regulating module adopted through intelligent control module output control signal, change input voltage regulating module's feedback signal, so that further carry out intelligent voltage regulation control, improve regulator circuit's voltage regulation ability, reduce electric energy regulating error, carry out circuit protection by on-off control module simultaneously, the security that improves the circuit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of a voltage regulating circuit of an intelligent chip according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a voltage regulating circuit of an intelligent chip according to an embodiment of the present invention.
Fig. 3 is a connection circuit diagram of a switch control module provided by an example of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In embodiment 1, referring to fig. 1, a voltage regulating circuit of an intelligent chip includes: the intelligent control system comprises a power supply module 1, a switch control module 2, a voltage regulation module 3, an output module 4, an intelligent control module 5, an output sampling regulation module 6 and an output sampling module 7;
specifically, the power module 1 is configured to perform voltage reduction, rectification and filtering processing on input alternating current and output direct current electric energy;
the voltage regulating module 3 is connected with the power module 1 and the output sampling regulating module 6, and is used for receiving a signal fed back by the output sampling regulating module 6 through a DC-DC regulating circuit and performing voltage stabilization regulation on the direct-current electric energy output by the power module 1 through the DC-DC regulating circuit;
the output module 4 is connected with the voltage regulating module 3 and used for receiving and outputting the electric energy output by the voltage regulating module 3;
the intelligent control module 5 is connected with the output sampling module 7, and is used for outputting a control signal and receiving a signal fed back by the output sampling module 7;
the output sampling adjusting module 6 is connected with the intelligent control module 5 and the output module 4, is used for performing voltage sampling on the electric energy output by the voltage adjusting module 3 through a first sampling circuit and outputting a first sampling signal, is used for receiving the control signal, controlling a resistance circuit to be merged into a first sampling resistor and changing the voltage value of the first sampling signal, and is used for feeding back the first sampling signal and the changed first sampling signal to the voltage adjusting module 3;
the output sampling module 7 is connected with the output module 4 and is used for sampling the electric energy output by the voltage regulating module 3 and outputting a second sampling signal;
and the switch control module 2 is connected with the power module 1, the output sampling module 7 and the voltage regulating module 3, and is used for judging whether the second sampling signal is in a safety range or not and controlling the work of the power switch circuit through the output comparison circuit and controlling the work of the voltage regulating module 3 through the power switch circuit.
In a specific embodiment, the power module 1 may use an ac source to provide ac power, and the transformer W1, the rectifier T1 and the first capacitor C1 perform voltage reduction, rectification and filtering respectively; the switch control module 2 can adopt an output comparison circuit and a power switch circuit, and the output comparison circuit judges the output state and controls the power switch circuit to be closed or closed so as to realize the control of the voltage regulating module 3; the voltage regulating module 3 can adopt a DC-DC regulating circuit, and realize the voltage-stabilizing regulation of multi-input electric energy through a specific voltage regulating chip; the output module 4 is an output port, which is not described herein again; the intelligent control module 5 can adopt, but is not limited to a microcontroller such as a single chip microcomputer and a DSP to realize output of a control signal so as to control the output voltage of the output sampling adjustment module 6; the output sampling adjusting module 6 can adopt a resistance sampling circuit, a triode switch circuit and a resistance circuit, samples the output electric energy through the resistance sampling circuit, and controls the access of the resistance circuit through the triode switch circuit to change the voltage value of the voltage signal sampled by the resistance sampling circuit; the output sampling module 7 may adopt a resistance voltage-dividing circuit to sample the output voltage.
specifically, one end of the first resistor R1 is connected to the eighth end of the voltage regulator U1 and the power module 1, the other end of the first resistor R1 is connected to the collector of the first switching tube VT1, the base of the first switching tube VT1 is connected to the first end of the voltage regulator U1, the emitter of the first switching tube VT1 is connected to the second end of the voltage regulator U1 and is connected to the third end of the voltage regulator U1, one end of the fourth capacitor C4 and the output port through the second resistor R2, the sixth end of the voltage regulator U1 is connected to the seventh end of the voltage regulator U1, the other end of the fourth capacitor C4 and the ground through the second capacitor C2, and the fourth end of the voltage regulator U1 is connected to the fifth end of the voltage regulator U1 and the output sampling adjustment module 6 through the third capacitor C3.
In an embodiment, the first switch transistor VT1 may be an NPN transistor; the voltage regulator U1 may adjust the output regulated voltage value by sampling the feedback voltage signal, and the voltage regulator U1 may be, but is not limited to, a SG14 or the like.
Further, the output sampling adjusting module 6 includes a first potentiometer RP1, a third resistor R3, a second switching tube VT2, a third switching tube VT3, and a fourth resistor R4;
specifically, one end of the first potentiometer RP1 is connected to the third end of the voltage regulator U1, a sliding vane end of the first potentiometer RP1 is connected to the fifth end of the voltage regulator U1, the other end of the first potentiometer RP1 and the first end of the third resistor R3, the second end of the third resistor R3 is connected to the emitter of the second switching tube VT2 and the collector of the third switching tube VT3, the collector of the second switching tube VT2 is connected to the ground, the emitter of the third switching tube VT3 is connected to the ground through the fourth resistor R4, and the base of the second switching tube VT2 and the base of the third switching tube VT3 are connected to the intelligent control module 5.
In a specific embodiment, the first resistor R1 and the third resistor R3 form a resistor divider circuit, perform output sampling, and provide a sampling signal for the voltage regulator U1, and at this time, when the intelligent control module 5 does not output a control signal, the intelligent control module can adjust the output power of the voltage regulator U1 by adjusting the resistance of the first potentiometer RP 1; the third switching tube VT3 may be an NPN-type triode, and is configured to control the connection of the fourth resistor R4, so as to perform output sampling by the first potentiometer RP1, the third resistor R3, and the fourth resistor R4 again; the second switching tube VT2 may be a PNP type triode for controlling the first resistor R1 and the third resistor R3 to sample the output voltage.
Further, the intelligent control module 5 includes a first controller U2, a fifth resistor R5, and a sixth resistor R6;
specifically, the first IO end of the first controller U2 is connected to the base of the third switching tube VT3, the base of the second switching tube VT2, and one end of a sixth resistor R6 through a fifth resistor R5, and the other end of the sixth resistor R6 is connected to the ground.
In a specific embodiment, the first controller U2 may use an STC89C52 single chip microcomputer, and is configured to output a control signal to control the working states of the third switching transistor VT3 and the second switching transistor VT2, and change the voltage output by the voltage regulator U1, where the control signal is a pulse signal and is determined by a software system inside the first controller U2, which is not described herein again.
Further, the output sampling module 7 includes a seventh resistor R7 and an eighth resistor R8;
specifically, a first end of the seventh resistor R7 is connected to the output port, and a second end of the seventh resistor R7 is connected to the second IO end of the first controller U2 and is connected to the ground end through an eighth resistor R8.
In a specific embodiment, the seventh resistor R7 and the eighth resistor R8 form a resistor divider circuit, and are used for sampling a voltage of the final input/output port.
Further, the switch control module 2 includes a first comparator A1, an output threshold, a ninth resistor R9, a tenth resistor R10, a fourth switching tube VT4, and a first power tube Q1;
specifically, the in-phase end of the first comparator A1 is connected to the second end of the seventh resistor R7, the inverting end of the first comparator A1 is connected to the output threshold, the output end of the first comparator A1 is connected to the base of the fourth switching tube VT4 through the ninth resistor R9, the collector of the fourth switching tube VT4 is connected to the eighth ends of the power module 1 and the voltage regulator U1, the emitter of the fourth switching tube VT4 is connected to the gate of the first power tube Q1 and is connected to the source of the first power tube Q1 and the power module 1 through the tenth resistor R10, and the drain of the first power tube Q1 is connected to the seventh end of the voltage regulator.
In a specific embodiment, the first comparator A1 may be an LM393 comparator, and the output threshold may be an output overvoltage threshold, and is matched with the first comparator A1 to perform overvoltage detection; the first power tube Q1 can be a P-channel enhancement type MOS tube, the fourth switching tube VT4 can be an NPN type triode, and the fourth switching tube VT4 is used for controlling the on-off of the first power tube Q1 and controlling the electric energy transmission of the power module 1.
The utility model relates to a voltage regulating circuit of intelligence chip, provide the alternating current by the alternating current source, and by transformer W1, rectifier T1 and first electric capacity C1 step down, rectification and filtering process, for voltage regulator U1 provides working power, when first IO end of first controller U2 does not output control signal, second switch tube VT2 switches on, make voltage regulator U1 cooperation first potentiometre RP1 and the sampling signal of third resistance R3 feedback, adjust the electric energy of output and export by output port, further carry out the output sampling by seventh resistance R7 and eighth resistance R8, and receive by first controller U2, when the electric energy of needs further change output, the first IO end output control signal control third switch tube VT3 of accessible first controller U2 switches on, second switch tube VT2 stops this moment, make first potentiometre U1, third resistance R3 and fourth resistance R4 constitute resistance bleeder circuit and provide sampling signal for voltage regulator U1, the accessible first IO end output control signal control VT3 switches on, the electric energy of accessible first switch tube VT3 output control signal control module switches on the electric energy output control signal, make the electric energy of VT3 switch tube VT3 switch module switch tube VT1 and switch off, make the electric energy output control module switch tube output control signal output, the electric energy control module switch tube VT1 and switch off, make the electric energy control module to switch the electric energy of first output control, if the electric energy control module change simultaneously, the switch tube output control module, the electric energy control module, the switch tube VT1 and the switch tube output control module, make the electric energy control module to switch tube output.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a voltage regulating circuit of intelligent chip which characterized in that, this voltage regulating circuit of intelligent chip includes: the intelligent control system comprises a power supply module, a switch control module, a voltage regulation module, an output module, an intelligent control module, an output sampling regulation module and an output sampling module;
the power module is used for carrying out voltage reduction, rectification and filtering processing on input alternating current and outputting direct current electric energy;
the voltage regulating module is connected with the power supply module and the output sampling regulating module and is used for receiving a signal fed back by the output sampling regulating module through a DC-DC regulating circuit and carrying out voltage stabilization regulation on the direct current electric energy output by the power supply module through the DC-DC regulating circuit;
the output module is connected with the voltage regulating module and used for receiving and outputting the electric energy output by the voltage regulating module;
the intelligent control module is connected with the output sampling module, is used for outputting a control signal and is used for receiving a signal fed back by the output sampling module;
the output sampling adjusting module is connected with the intelligent control module and the output module, is used for performing voltage sampling on the electric energy output by the voltage adjusting module through the first sampling circuit and outputting a first sampling signal, is used for receiving the control signal, controlling the resistance circuit to be merged into the first sampling resistor and changing the voltage value of the first sampling signal, and is used for feeding back the first sampling signal and the changed first sampling signal to the voltage adjusting module;
the output sampling module is connected with the output module and used for sampling the electric energy output by the voltage regulating module and outputting a second sampling signal;
the switch control module is connected with the power supply module, the output sampling module and the voltage regulating module, and is used for judging whether the second sampling signal is in a safety range or not and controlling the work of the power switch circuit through the output comparison circuit, and controlling the work of the voltage regulating module through the power switch circuit.
2. The voltage regulating circuit of an intelligent chip according to claim 1, wherein the voltage regulating module comprises a first resistor, a first switching tube, a second capacitor, a second resistor, a voltage regulator, a third capacitor and a fourth capacitor; the output module comprises an output port;
one end of the first resistor is connected with the eighth end of the voltage regulator and the power supply module, the other end of the first resistor is connected with the collector of the first switching tube, the base of the first switching tube is connected with the first end of the voltage regulator, the emitter of the first switching tube is connected with the second end of the voltage regulator and is connected with the third end of the voltage regulator, one end of the fourth capacitor and the output port through the second resistor, the sixth end of the voltage regulator is connected with the seventh end of the voltage regulator, the other end of the fourth capacitor and the ground end through the second capacitor, and the fourth end of the voltage regulator is connected with the fifth end of the voltage regulator and the output sampling regulation module through the third capacitor.
3. The voltage regulating circuit of an intelligent chip according to claim 2, wherein the output sampling regulating module comprises a first potentiometer, a third resistor, a second switching tube, a third switching tube and a fourth resistor;
one end of the first potentiometer is connected with the third end of the voltage regulator, the sliding blade end of the first potentiometer is connected with the fifth end of the voltage regulator, the other end of the first potentiometer and the first end of the third resistor, the second end of the third resistor is connected with the emitting electrode of the second switch tube and the collecting electrode of the third switch tube, the collecting electrode of the second switch tube is connected with the ground end, the emitting electrode of the third switch tube is connected with the ground end through the fourth resistor, and the base electrode of the second switch tube and the base electrode of the third switch tube are connected with the intelligent control module.
4. The voltage regulating circuit of the intelligent chip according to claim 3, wherein the intelligent control module comprises a first controller, a fifth resistor and a sixth resistor;
the first IO end of the first controller is connected with the base of the third switching tube, the base of the second switching tube and one end of the sixth resistor through the fifth resistor, and the other end of the sixth resistor is connected with the ground end.
5. The voltage regulating circuit of the intelligent chip according to claim 4, wherein the output sampling module comprises a seventh resistor and an eighth resistor;
and a first end of the seventh resistor is connected with the output port, and a second end of the seventh resistor is connected with a second IO end of the first controller and is connected with a ground end through an eighth resistor.
6. The voltage regulating circuit of the intelligent chip according to claim 5, wherein the switch control module comprises a first comparator, an output threshold, a ninth resistor, a tenth resistor, a fourth switching tube, and a first power tube;
the in-phase end of the first comparator is connected with the second end of the seventh resistor, the inverting end of the first comparator is connected with the output threshold value, the output end of the first comparator is connected with the base of the fourth switching tube through the ninth resistor, the collector of the fourth switching tube is connected with the eighth ends of the power module and the voltage regulator, the emitter of the fourth switching tube is connected with the grid of the first power tube and is connected with the source of the first power tube and the power module through the tenth resistor, and the drain of the first power tube is connected with the seventh end of the voltage regulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222871767.4U CN218352402U (en) | 2022-10-28 | 2022-10-28 | Voltage regulating circuit of intelligent chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222871767.4U CN218352402U (en) | 2022-10-28 | 2022-10-28 | Voltage regulating circuit of intelligent chip |
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| CN218352402U true CN218352402U (en) | 2023-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155114A (en) * | 2023-04-19 | 2023-05-23 | 深圳市安和威电力科技股份有限公司 | Insulated DC-DC (direct current-direct current) regulating power supply control device based on IGBT (insulated Gate Bipolar transistor) |
-
2022
- 2022-10-28 CN CN202222871767.4U patent/CN218352402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155114A (en) * | 2023-04-19 | 2023-05-23 | 深圳市安和威电力科技股份有限公司 | Insulated DC-DC (direct current-direct current) regulating power supply control device based on IGBT (insulated Gate Bipolar transistor) |
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