CN218301704U - LED intelligent power supply circuit - Google Patents
LED intelligent power supply circuit Download PDFInfo
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- CN218301704U CN218301704U CN202221776784.3U CN202221776784U CN218301704U CN 218301704 U CN218301704 U CN 218301704U CN 202221776784 U CN202221776784 U CN 202221776784U CN 218301704 U CN218301704 U CN 218301704U
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Abstract
The utility model discloses a LED intelligent power supply circuit relates to the LED field, and this LED intelligent power supply circuit includes: the power supply module is used for supplying direct current and outputting the direct current to the current processing module, the safety protection module and the switch control module; the safety protection module is used for preventing a circuit from being damaged at the moment of electrifying and preventing a device from being damaged in a no-load mode; the current processing module is used for stabilizing circuit current and ensuring the working temperature of the LED working module; the LED working module is used for enabling the LED to be electrified, work and emit light; and the switch control module is used for controlling the LED working module. The utility model discloses a switch control module ground connection after the switch-on for the electric current that flows to LED work module turns to flow direction switch control module, accomplishes LED bright control of going out with this fast, and the electric current output that obtains the temperature through current processing module gives LED work module, guarantees circuit work safety through safety protection module.
Description
Technical Field
The utility model relates to a LED field specifically is a LED intelligent power supply circuit.
Background
The light emitting diode, referred to as LED for short, is a commonly used light emitting device, emits light by energy released by recombination of electrons and holes, has wide application in the field of illumination, can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices, and the like.
LED work on the existing market often can be dull gradually after the outage, can't cut off the power supply immediately during the use, needs to improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LED intelligence power supply circuit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an LED smart power circuit comprising:
the power supply module is used for supplying direct current to the current processing module, the safety protection module and the switch control module;
the safety protection module is used for preventing a circuit from being damaged at the moment of electrifying and preventing a device from being damaged in a no-load mode;
the current processing module is used for stabilizing the circuit current and ensuring the working temperature of the LED working module;
the LED working module is used for enabling the LED to be electrified, work and emit light;
the switch control module is used for controlling the LED working module to be powered on and powered off;
the power supply module is connected with the current processing module, the safety protection module and the switch control module, the current processing module is connected with the LED working module, and the switch control module is connected with the LED working module.
As a further aspect of the present invention: the safety protection module includes resistance R1, electric capacity C1, silicon controlled rectifier Z1, electric capacity C2, resistance R2, silicon controlled rectifier Z1's positive pole is connected to resistance R1's one end, electric capacity C2's one end, resistance R2's one end, power module, electric capacity C1's one end is connected to resistance R1's the other end, silicon controlled rectifier Z1's control pole, electric capacity C1's other end ground connection, silicon controlled rectifier Z1's negative pole ground connection, electric capacity C2's other end ground connection, resistance R2's other end ground connection.
As the utility model discloses further scheme again: the current processing module comprises a resistor R4, a capacitor C3, a triode V1, a resistor R3, a resistor R5, a power supply module is connected to one end of the resistor R3, a collector of the triode V1, one end of the resistor R4, a base of the triode V1 is connected to the other end of the resistor R4, one end of the capacitor C3, the other end of the emitter of the triode V1 is connected with the resistor R3, one end of the resistor R5, the other end of the capacitor C3 is connected to the other end of the resistor R5, an LED working module and a switch control module.
As the utility model discloses further scheme again: the LED working module comprises a light emitting tube LED, one end of the light emitting tube LED is connected with the current processing module, and the other end of the light emitting tube LED is grounded.
As a further aspect of the present invention: the switch control module comprises a triode V2, a triode V3, a resistor R6 and a switch S1, one end of the switch S1 is connected with the power supply module, the other end of the switch S1 is connected with one end of the resistor R6, the other end of the resistor R6 is connected with the base of the triode V3, the emitting electrode of the triode V3 is grounded, the collecting electrode of the triode V3 is connected with the base of the triode V2, the collecting electrode of the triode V2 is grounded, and the emitting electrode of the triode V2 is connected with the LED working module.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a switch control module ground connection after the switch-on for the electric current that flows to LED work module turns to flow direction switch control module, accomplishes LED bright control of going out with this fast, and the electric current output that obtains the temperature through current processing module gives LED work module, guarantees circuit work safety through safety protection module.
Drawings
Fig. 1 is a schematic diagram of an LED intelligent power circuit.
Fig. 2 is a circuit diagram of an LED intelligent power circuit.
Fig. 3 is a circuit diagram of a power supply module.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1, an LED intelligent power circuit includes:
the power supply module is used for supplying direct current and outputting the direct current to the current processing module, the safety protection module and the switch control module;
the safety protection module is used for preventing a circuit from being damaged at the moment of electrifying and preventing a device from being damaged in a no-load mode;
the current processing module is used for stabilizing circuit current and ensuring the working temperature of the LED working module;
the LED working module is used for enabling the LED to be electrified, work and emit light;
the switch control module is used for controlling the LED working module to be powered on and powered off;
the power supply module is connected with the current processing module, the safety protection module and the switch control module, the current processing module is connected with the LED working module, and the switch control module is connected with the LED working module.
In a specific embodiment: referring to fig. 3, the power supply module introduces 220V ac power, and completes voltage reduction processing through the transformer W, and completes conversion from ac to dc through the rectifier T, and outputs unstable dc.
In this embodiment: referring to fig. 2, the safety protection module includes a resistor R1, a capacitor C1, a thyristor Z1, a capacitor C2, and a resistor R2, one end of the resistor R1 is connected to the positive electrode of the thyristor Z1, one end of the capacitor C2, one end of the resistor R2, and the power supply module, one end of the resistor R1 is connected to the other end of the resistor R1, the control electrode of the thyristor Z1, the other end of the capacitor C1 is grounded, the negative electrode of the thyristor Z1 is grounded, the other end of the capacitor C2 is grounded, and the other end of the resistor R2 is grounded.
When the circuit is powered on, because the voltage is suddenly connected, instantaneous heavy current can be generated, so that the capacitor C2 is charged to prevent the heavy current from damaging the following circuit, and the capacitor C2 and the resistor R2 form a filter circuit to finish the filter processing of the circuit; when the working end is empty (namely the LED working module and the switch control module can be regarded as the follow-up circuit of the current processing module is broken), high voltage is generated at the capacitor C2, the silicon controlled rectifier Z1 is conducted through the large resistor R1, the silicon controlled rectifier Z1 is conducted and grounded, voltage is quickly discharged, and the circuit safety is ensured.
In this embodiment: referring to fig. 2, the current processing module includes a resistor R4, a capacitor C3, a transistor V1, a resistor R3, and a resistor R5, one end of the resistor R3 is connected to the power supply module, a collector of the transistor V1, and one end of the resistor R4, the other end of the resistor R4 is connected to a base of the transistor V1 and one end of the capacitor C3, an emitter of the transistor V1 is connected to the other end of the resistor R3 and one end of the resistor R5, and the other end of the resistor R5 is connected to the other end of the capacitor C3, the LED operating module, and the switch control module.
When electric capacity C3 charges fully, triode V1's base voltage is invariable for triode V1's emitter voltage is invariable, and the electric current that flows through resistance R4 (voltage VCC and electric capacity C3 go up the voltage invariable) is invariable, makes triode V1's outflow electric current invariable, and the electric current that flows in is unchangeable, and then makes the electric current of output stable.
In this embodiment: referring to fig. 2, the LED working module includes a light emitting diode LED, one end of the light emitting diode LED is connected to the current processing module, and the other end of the light emitting diode LED is grounded.
The light emitting tube LED includes a plurality of light emitting diodes, and is not limited to the number.
In this embodiment: referring to fig. 2, the switch control module includes a transistor V2, a transistor V3, a resistor R6, and a switch S1, one end of the switch S1 is connected to the power supply module, the other end of the switch S1 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to the base of the transistor V3, the emitter of the transistor V3 is grounded, the collector of the transistor V3 is connected to the base of the transistor V2, the collector of the transistor V2 is grounded, and the emitter of the transistor V2 is connected to the LED working module.
After the circuit is powered on, the LED of the light-emitting tube receives the current output by the current processing module, and the circuit works after being powered on; when power-off needs to be started, the switch S1 is pressed down, so that the base electrode of the triode V3 (NPN triode) obtains high voltage through the resistor R6, the triode V3 is conducted, the base electrode of the triode V2 (PNP triode) is changed into low level (grounded through the triode V3), the triode V2 is conducted, at the moment, the current originally flowing to the LED working module is grounded through the triodes V2 and V3, and the LED of the light-emitting tube is immediately extinguished; when the LED of the light-emitting tube needs to emit light again, the switch S1 is switched off, and at the moment, the triodes V2 and V3 are cut off, so that the output current of the current processing module flows into the LED working module again, and the light-emitting LED emits light immediately.
The utility model discloses a theory of operation is: the power supply module supplies direct current and outputs the direct current to the current processing module, the safety protection module and the switch control module, the safety protection module prevents a circuit from being damaged at the moment of power-on and a device from being damaged in no-load mode, the current processing module stabilizes circuit current and guarantees the working temperature of the LED working module, the LED working module is powered on and works to emit light, and the switch control module is used for controlling the power-on and power-off of the LED working module.
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 (5)
1. An LED intelligent power supply circuit, characterized in that:
this LED intelligent power supply circuit includes:
the power supply module is used for supplying direct current and outputting the direct current to the current processing module, the safety protection module and the switch control module;
the safety protection module is used for preventing a circuit from being damaged at the moment of electrifying and preventing a device from being damaged in a no-load mode;
the current processing module is used for stabilizing the circuit current and ensuring the working temperature of the LED working module;
the LED working module is used for enabling the LED to be electrified, work and emit light;
the switch control module is used for controlling the LED working module to be powered on and powered off;
the power supply module is connected with the current processing module, the safety protection module and the switch control module, the current processing module is connected with the LED working module, and the switch control module is connected with the LED working module.
2. The LED intelligent power circuit according to claim 1, wherein the safety protection module comprises a resistor R1, a capacitor C1, a thyristor Z1, a capacitor C2 and a resistor R2, one end of the resistor R1 is connected with the anode of the thyristor Z1, one end of the capacitor C2, one end of the resistor R2 and the power supply module, the other end of the resistor R1 is connected with one end of the capacitor C1 and the control electrode of the thyristor Z1, the other end of the capacitor C1 is grounded, the cathode of the thyristor Z1 is grounded, the other end of the capacitor C2 is grounded, and the other end of the resistor R2 is grounded.
3. The LED intelligent power supply circuit according to claim 1, wherein the current processing module comprises a resistor R4, a capacitor C3, a triode V1, a resistor R3 and a resistor R5, one end of the resistor R3 is connected with the power supply module, the collector of the triode V1 and one end of the resistor R4, the other end of the resistor R4 is connected with the base of the triode V1 and one end of the capacitor C3, the emitter of the triode V1 is connected with the other end of the resistor R3 and one end of the resistor R5, and the other end of the resistor R5 is connected with the other end of the capacitor C3, the LED working module and the switch control module.
4. The LED intelligent power supply circuit according to claim 1, wherein the LED working module comprises a light emitting tube LED, one end of the light emitting tube LED is connected with the current processing module, and the other end of the light emitting tube LED is grounded.
5. The LED intelligent power supply circuit according to claim 3, wherein the switch control module comprises a transistor V2, a transistor V3, a resistor R6 and a switch S1, one end of the switch S1 is connected with the power supply module, the other end of the switch S1 is connected with one end of the resistor R6, the other end of the resistor R6 is connected with a base of the transistor V3, an emitter of the transistor V3 is grounded, a collector of the transistor V3 is connected with a base of the transistor V2, a collector of the transistor V2 is grounded, and an emitter of the transistor V2 is connected with the LED working module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776784.3U CN218301704U (en) | 2022-07-11 | 2022-07-11 | LED intelligent power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776784.3U CN218301704U (en) | 2022-07-11 | 2022-07-11 | LED intelligent power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301704U true CN218301704U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221776784.3U Active CN218301704U (en) | 2022-07-11 | 2022-07-11 | LED intelligent power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301704U (en) |
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2022
- 2022-07-11 CN CN202221776784.3U patent/CN218301704U/en active Active
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