CN218162218U - Multi-channel output control power supply circuit - Google Patents
Multi-channel output control power supply circuit Download PDFInfo
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- CN218162218U CN218162218U CN202221532139.7U CN202221532139U CN218162218U CN 218162218 U CN218162218 U CN 218162218U CN 202221532139 U CN202221532139 U CN 202221532139U CN 218162218 U CN218162218 U CN 218162218U
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Abstract
The utility model discloses a multi-channel output control power supply circuit, which comprises a power supply circuit, a first output controlled circuit and a second output controlled circuit; the power supply circuit comprises an SCT2452 buck converter U1, an inductor L1 is electrically connected to an eighth pin of the SCT2452 buck converter U1, and the other side of the inductor L1 is electrically connected with an output end through a fuse F1; the first output controlled circuit comprises an SCT2452 buck converter U2, an inductor L2 is electrically connected to an eighth pin of the SCT2452 buck converter U2, and an output end is electrically connected to the other side of the inductor L2; the second output controlled circuit comprises an SCT2452 buck converter U3, an inductor L3 is electrically connected to an eighth pin of the SCT2452 buck converter U3, and an output end is electrically connected to the other side of the inductor L3. The utility model has the advantages of stabilize voltage output, realize multiplexed output, improve the protection to load electrical apparatus, energy-conserving use.
Description
Technical Field
The utility model relates to an output power supply circuit technical field specifically is a multichannel output control power supply circuit.
Background
The output power supply circuit is used for controlling and adjusting the power supply of the circuit board and other electronic equipment and keeping the circuit board and other electronic equipment stably running.
However, when the existing output power circuit is used, the output voltage needs to be kept stable, so that the circuit board and other electronic devices can operate stably, and when the existing output power circuit is used, shunt control cannot be realized, protection of load electrical appliances is improved, energy-saving use cannot be achieved, and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multichannel output control power supply circuit has the output of stabilizing voltage, realizes the multiplexed output, improves the protection to load electrical apparatus, and energy-conserving advantages such as use to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a multi-channel output control power supply circuit comprises a power supply circuit, a first output controlled circuit and a second output controlled circuit;
the power supply circuit comprises an SCT2452 buck converter U1, an inductor L1 is electrically connected to an eighth pin of the SCT2452 buck converter U1, and the other side of the inductor L1 is electrically connected with an output end through a fuse F1;
the first output controlled circuit comprises an SCT2452 buck converter U2, an inductor L2 is electrically connected to an eighth pin of the SCT2452 buck converter U2, and an output end is electrically connected to the other side of the inductor L2;
the second output controlled circuit comprises an SCT2452 buck converter U3, an inductor L3 is electrically connected to an eighth pin of the SCT2452 buck converter U3, and an output end is electrically connected to the other side of the inductor L3.
Preferably, a capacitor C1 is electrically connected between the first pin and the eighth pin of the SCT2452 buck converter U1, the second pin of the SCT2452 buck converter U1 is electrically connected to an input terminal, and the seventh pin and the ninth pin of the SCT2452 buck converter U1 are electrically connected to a ground terminal.
Preferably, a capacitor C4 and a capacitor C5 which are electrically connected and connected with a resistor R3 and a resistor R7 which are connected in series are electrically connected between the second pin of the SCT2452 buck converter U1 and the ground terminal of the SCT2452 buck converter U1, a third pin of the SCT2452 buck converter U1 is electrically connected with the resistor R3 and the resistor R7 which are connected in series, a fourth pin of the SCT2452 buck converter U1 is electrically connected with a resistor R5, and the other end of the resistor R5 is electrically grounded.
Preferably, a resistor R2, a capacitor C3, a capacitor C2, and a resistor R1 and a resistor R6 connected in series are electrically connected between the eighth pin of the SCT2452 buck converter U1 and the ground terminal of the SCT2452 buck converter U1, the resistor R1 and the resistor R6 connected in series are electrically connected to the fifth pin of the SCT2452 buck converter U1, the sixth pin of the SCT2452 buck converter U1 is electrically grounded through the capacitor C6, the other end of the resistor R2 is electrically connected to the lamp bead LED1, and the other end of the lamp bead LED1 is electrically grounded.
Preferably, a capacitor C7 is electrically connected between a first pin and an eighth pin of the SCT2452 buck converter U2, an input end is electrically connected to a second pin and a third pin of the SCT2452 buck converter U2, a seventh pin and a ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, a capacitor C11 and a capacitor C10 connected in parallel are electrically connected between the input end of the SCT2452 buck converter U2 and the ground terminal of the SCT2452 buck converter U2, a fourth pin of the SCT2452 buck converter U2 is electrically connected to the ground terminal through a resistor R11, a resistor R9, a capacitor C8, and a resistor R8 and a resistor R10 connected in parallel are electrically connected between the output end of the SCT2452 buck converter U2 and the ground terminal of the SCT2452 buck converter U2, the resistor R8 and the resistor R10 connected in series are electrically connected to a fifth pin of the SCT2452 buck converter U2, the lamp bead of the SCT2452 buck converter U2 is electrically connected to a sixth pin and the lamp bead of the SCT2452 buck converter U2, and the other end of the SCT2452 buck converter U2 is electrically connected to the lamp bead through the capacitor C3, and the lamp bead is electrically connected to the LED 2453.
Preferably, a capacitor C13 is electrically connected between a first pin and an eighth pin of the SCT2452 buck converter U3, an input end is electrically connected to a second pin and a third pin of the SCT2452 buck converter U3, a seventh pin and a ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, a fourth pin of the SCT2452 buck converter U3 is electrically connected to the ground terminal through a resistor R15, a resistor R12, a capacitor C15, a capacitor C14, a resistor R13 and a resistor R14 which are connected in parallel and are electrically connected between an output end of the SCT2452 buck converter U3 and the ground terminal of the SCT2452 buck converter U3, a resistor R13 and a resistor R14 which are connected in series and are electrically connected between the resistor R13 and the resistor R14 which are connected in series and the fifth pin of the SCT2452 buck converter U3, a sixth pin of the SCT2452 buck converter U3 is electrically connected to the ground terminal through a capacitor C18, the other end of the resistor R9 is electrically connected to the LED4, and the other end of the lamp bead is electrically connected to the ground terminal.
Preferably, still including USB socket circuit, switch indicator circuit and PC grafting circuit and electric quantity grafting circuit, electric connection has the input on the first pin of bayonet joint of USB socket circuit, and electric connection has resistance R4 on the input, electric connection has lamp pearl LED2 on the resistance R4, lamp pearl LED 2's other end electric ground connection, electric connection has diode D1 between two bayonet joints of switch indicator circuit, and electric connection has fuse F2 on one of them bayonet joint, electric connection has the input on fuse F2, electric connection has lamp pearl LED5 on fuse F2, the other end electric connection of lamp pearl LED5 has resistance R16, resistance R16's other end electric ground connection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a supply circuit makes the lithium cell can stabilize output 12V voltage at normal voltage within range (29.4V-20.4V), supply with the operation and use, and through the controlled circuit protection load safety of first output controlled circuit and second output, multichannel output channel has designed the on-off control function, during the lithium cell normal power supply, only first output controlled circuit carries out mode immediately, all the other needs just can get into mode through detection control, the energy-conserving high efficiency of battery and the requirement that is fit for the practical situation have been realized, and the circuit is simple, the application is less components and parts to realize, to receiving the great components and parts of voltage fluctuation influence, effectual guard action has been opened, supporting application selectivity is wide.
Drawings
Fig. 1 is a schematic diagram of a power supply circuit of the present invention;
fig. 2 is a schematic diagram of a first output controlled circuit according to the present invention;
FIG. 3 is a schematic diagram of a second output controlled circuit according to the present invention;
fig. 4 is a schematic diagram of an auxiliary circuit 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.
Referring to fig. 1-4, the present invention provides a technical solution:
a multi-channel output control power supply circuit comprises a power supply circuit, a first output controlled circuit and a second output controlled circuit;
the power supply circuit comprises an SCT2452 buck converter U1, an inductor L1 is electrically connected to an eighth pin of the SCT2452 buck converter U1, and the other side of the inductor L1 is electrically connected with an output end through a fuse F1;
the first output controlled circuit comprises an SCT2452 buck converter U2, an inductor L2 is electrically connected to an eighth pin of the SCT2452 buck converter U2, and an output end is electrically connected to the other side of the inductor L2;
the second output controlled circuit comprises an SCT2452 buck converter U3, an inductor L3 is electrically connected to an eighth pin of the SCT2452 buck converter U3, and an output terminal is electrically connected to the other side of the inductor L3.
In this embodiment, preferably, a capacitor C1 is electrically connected between the first pin and the eighth pin of the SCT2452 buck converter U1, an input end is electrically connected to the second pin of the SCT2452 buck converter U1, and grounding ends are electrically connected to the seventh pin and the ninth pin of the SCT2452 buck converter U1, where the input end is used to input electric quantity, and the grounding end is used to implement a loop to protect the safety of the circuit.
In this embodiment, preferably, a capacitor C4, a capacitor C5, a resistor R3 and a resistor R7 connected in series are electrically connected between the second pin of the SCT2452 buck converter U1 and the ground terminal of the SCT2452 buck converter U1, a third pin of the SCT2452 buck converter U1 is electrically connected to the resistor R3 and the resistor R7 connected in series, a fourth pin of the SCT2452 buck converter U1 is electrically connected to the resistor R5, the other end of the resistor R5 is electrically grounded, voltage output can be stabilized by setting the capacitor C4, the capacitor C5, the resistor R3 and the resistor R7 connected in series, and voltage reduction processing can be performed on the voltage.
In this embodiment, preferably, a resistor R2, a capacitor C3, a capacitor C2, and a resistor R1 and a resistor R6 connected in series are electrically connected between the eighth pin of the SCT2452 buck converter U1 and the ground terminal of the SCT2452 buck converter U1, the resistor R1 and the resistor R6 connected in series are electrically connected with the fifth pin of the SCT2452 buck converter U1, the sixth pin of the SCT2452 buck converter U1 is electrically grounded through the capacitor C6, the other end of the resistor R2 is electrically connected with a lamp bead LED1, the other end of the lamp bead LED1 is electrically grounded, and the voltage is kept stable through setting of the resistor R2, the capacitor C3, the capacitor C2, and the resistor R1 and the resistor R6 connected in series, so that the voltage fluctuation is prevented from being large and subsequent equipment damage is caused.
In this embodiment, preferably, a capacitor C7 is electrically connected between the first pin and the eighth pin of the SCT2452 buck converter U2, an input end is electrically connected to the second pin and the third pin of the SCT2452 buck converter U2, the seventh pin and the ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, a capacitor C11 and a capacitor C10 which are connected in parallel are electrically connected between the input end of the SCT2452 buck converter U2 and the ground terminal of the SCT2452 buck converter U2, the fourth pin of the SCT2452 buck converter U2 is electrically connected to the ground terminal through a resistor R11, the output end of the SCT2452 buck converter U2 and the grounding end of the SCT2452 buck converter U2 are electrically connected with a resistor R9, a capacitor C8, a resistor R8 and a resistor R10 which are connected in series, the resistor R8 and the resistor R10 which are connected in series are electrically connected with a fifth pin of the SCT2452 buck converter U2, a sixth pin of the SCT2452 buck converter U2 is electrically connected with the grounding end through a capacitor C12, the other end of the resistor R9 is electrically connected with a lamp bead LED3, the other end of the lamp bead LED3 is electrically connected with the grounding end, the circuit can be controlled and adjusted in a shunting way through setting of a first output controlled circuit, the output of voltage is kept stable, and the voltage reduction and the voltage stabilization can be realized.
In this embodiment, preferably, a capacitor C13 is electrically connected between the first pin and the eighth pin of the SCT2452 buck converter U3, the second pin and the third pin of the SCT2452 buck converter U3 are electrically connected to input terminals, the seventh pin and the ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, the fourth pin of the SCT2452 buck converter U3 is electrically connected to the ground terminal through a resistor R15, the output terminal of the SCT2452 buck converter U3 is electrically connected to the ground terminal of the SCT2452 buck converter U3 through a resistor R12, a capacitor C15, a capacitor C14, and a resistor R13 and a resistor R14 connected in parallel, the fifth pin of the SCT2452 buck converter U3 is electrically connected between the resistor R13 and the resistor R14 connected in series, the sixth pin of the SCT2452 is electrically connected to the capacitor C18, the other end of the LED R9 is electrically connected to the resistor R4, the other end of the SCT2452 buck converter U3 is electrically connected to the lamp bead, and a shunt circuit capable of stably outputting a regulated voltage and outputting a stable voltage.
In this embodiment, it is preferable that the electronic device further includes a USB socket circuit, a switch indicator circuit, a PC plug circuit, and an electric quantity plug circuit, an input end is electrically connected to a first pin of a plug of the USB socket circuit, and a resistor R4 is electrically connected to the input end, a lamp bead LED2 is electrically connected to the resistor R4, the other end of the lamp bead LED2 is electrically grounded, a diode D1 is electrically connected between two plugs of the switch indicator circuit, a fuse F2 is electrically connected to one of the plugs, an input end is electrically connected to the fuse F2, a lamp bead LED5 is electrically connected to the fuse F2, a resistor R16 is electrically connected to the other end of the lamp bead LED5, the other end of the resistor R16 is electrically grounded, and different other electronic circuits can be connected through setting of the USB socket circuit, the switch indicator circuit, the PC plug circuit, and the electric quantity plug circuit, so as to improve the auxiliary operability of the circuit.
The working principle is as follows: when the lithium battery is used, the system is powered through the power supply circuit, 12V voltage can be stably output in a normal voltage range (29.4V-20.4V) through the power supply circuit, the lithium battery is supplied for operation and use, the situation that subsequent electronic equipment is damaged due to overlarge or fluctuation of the voltage is prevented, a fuse F1 is arranged, the power can be cut off when the voltage is lower than 20.4V, the system is safely protected, the load safety is protected through the first output controlled circuit and the second output controlled circuit, a switch control function is designed for a multi-path output channel, when the lithium battery is normally powered, only the first output controlled circuit is in an immediate working mode, and the rest of the lithium battery can enter the working mode through detection control, so that the requirements of energy conservation, high efficiency and practicability of the battery are met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A multi-channel output control power supply circuit is characterized by comprising a power supply circuit, a first output controlled circuit and a second output controlled circuit;
the power supply circuit comprises an SCT2452 buck converter U1, an inductor L1 is electrically connected to an eighth pin of the SCT2452 buck converter U1, and the other side of the inductor L1 is electrically connected with an output end through a fuse F1;
the first output controlled circuit comprises an SCT2452 buck converter U2, an inductor L2 is electrically connected to an eighth pin of the SCT2452 buck converter U2, and an output end is electrically connected to the other side of the inductor L2;
the second output controlled circuit comprises an SCT2452 buck converter U3, an inductor L3 is electrically connected to an eighth pin of the SCT2452 buck converter U3, and an output terminal is electrically connected to the other side of the inductor L3.
2. A multi-channel output control power supply circuit as claimed in claim 1, wherein: a capacitor C1 is electrically connected between the first pin and the eighth pin of the SCT2452 buck converter U1, an input terminal is electrically connected to the second pin of the SCT2452 buck converter U1, and a ground terminal is electrically connected to the seventh pin and the ninth pin of the SCT2452 buck converter U1.
3. A multi-channel output control power supply circuit as claimed in claim 2, wherein: a capacitor C4 and a capacitor C5 which are electrically connected with each other, and a resistor R3 and a resistor R7 which are connected in series are electrically connected between a second pin of the SCT2452 buck converter U1 and a ground terminal of the SCT2452 buck converter U1, a third pin of the SCT2452 buck converter U1 is electrically connected with the resistor R3 and the resistor R7 which are connected in series, a fourth pin of the SCT2452 buck converter U1 is electrically connected with the resistor R5, and the other end of the resistor R5 is electrically grounded.
4. A multi-channel output control power supply circuit according to claim 3, wherein: a resistor R2, a capacitor C3, a capacitor C2, a resistor R1 and a resistor R6 which are connected in series are electrically connected between an eighth pin of the SCT2452 buck converter U1 and a grounding end of the SCT2452 buck converter U1, the resistor R1 and the resistor R6 which are connected in series are electrically connected with a fifth pin of the SCT2452 buck converter U1, a sixth pin of the SCT2452 buck converter U1 is electrically grounded through the capacitor C6, the other end of the resistor R2 is electrically connected with a lamp bead LED1, and the other end of the lamp bead LED1 is electrically grounded.
5. A multi-channel output control power supply circuit as claimed in claim 1, wherein: a capacitor C7 is electrically connected between a first pin and an eighth pin of the SCT2452 buck converter U2, an input end is electrically connected to a second pin and a third pin of the SCT2452 buck converter U2, a seventh pin and a ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, a capacitor C11 and a capacitor C10 connected in parallel are electrically connected between the input end of the SCT2452 buck converter U2 and the ground terminal of the SCT2452 buck converter U2, a fourth pin of the SCT2452 buck converter U2 is electrically connected to the ground terminal through a resistor R11, a resistor R9, a capacitor C8, a resistor R8 and a resistor R10 connected in parallel are electrically connected between the output end of the SCT2452 buck converter U2 and the ground terminal of the SCT2452 buck converter U2, a resistor R8 and a resistor R10 connected in series are electrically connected to a fifth pin of the SCT2452 buck converter U2, a sixth pin of the SCT2452 buck converter U2 is electrically connected to a capacitor C12, and the other end of the SCT2452 buck converter U2 is electrically connected to the LED, and the other end of the lamp bulb is electrically connected to the LED 2453.
6. The multi-channel output control power supply circuit according to claim 5, wherein: a capacitor C13 is electrically connected between a first pin and an eighth pin of the SCT2452 buck converter U3, a second pin and a third pin of the SCT2452 buck converter U3 are electrically connected to an input terminal, a seventh pin and a ninth pin of the SCT2452 buck converter U2 are electrically connected to a ground terminal, a fourth pin of the SCT2452 buck converter U3 is electrically connected to the ground terminal through a resistor R15, a resistor R12, a capacitor C15, a capacitor C14, and a resistor R13 and a resistor R14 connected in series are electrically connected between an output terminal of the SCT2452 buck converter U3 and the ground terminal of the SCT2452 buck converter U3, the resistor R13 and the resistor R14 connected in series are electrically connected to a fifth pin of the SCT2452 buck converter U3, a sixth pin of the SCT2452 buck converter U3 is electrically connected to the ground terminal through a capacitor C18, the other end of the resistor R9 is electrically connected to the LED4, and the other end of the LED4 is electrically connected to the ground terminal of the lamp bead.
7. A multi-channel output control power supply circuit as claimed in claim 1, wherein: the LED lamp is characterized by further comprising a USB socket circuit, a switch indicating lamp circuit, a PC plug-in circuit and an electric quantity plug-in circuit, wherein an input end is electrically connected to a first pin of a plug-in connector of the USB socket circuit, a resistor R4 is electrically connected to the input end, a lamp bead LED2 is electrically connected to the resistor R4, the other end of the lamp bead LED2 is electrically grounded, a diode D1 is electrically connected between two plug-in connectors of the switch indicating lamp circuit, a fuse F2 is electrically connected to one of the plug-in connectors, the input end is electrically connected to the fuse F2, a lamp bead LED5 is electrically connected to the fuse F2, a resistor R16 is electrically connected to the other end of the lamp bead LED5, and the other end of the resistor R16 is electrically grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532139.7U CN218162218U (en) | 2022-06-20 | 2022-06-20 | Multi-channel output control power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532139.7U CN218162218U (en) | 2022-06-20 | 2022-06-20 | Multi-channel output control power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218162218U true CN218162218U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221532139.7U Active CN218162218U (en) | 2022-06-20 | 2022-06-20 | Multi-channel output control power supply circuit |
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| CN (1) | CN218162218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814275A (en) * | 2022-12-29 | 2023-03-21 | 常州汇海医疗科技有限公司 | Tissue regeneration guiding device adopting noninvasive pulse cell stimulation technology |
-
2022
- 2022-06-20 CN CN202221532139.7U patent/CN218162218U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814275A (en) * | 2022-12-29 | 2023-03-21 | 常州汇海医疗科技有限公司 | Tissue regeneration guiding device adopting noninvasive pulse cell stimulation technology |
| CN115814275B (en) * | 2022-12-29 | 2023-11-17 | 常州汇海医疗科技有限公司 | Non-invasive pulse cell stimulation technology guided tissue regeneration device |
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