CN217935456U

CN217935456U - Direct current power supply circuit based on improved chopping booster circuit

Info

Publication number: CN217935456U
Application number: CN202222154516.4U
Authority: CN
Inventors: 张涛; 程生云; 于海东; 张宝华; 朱帅; 张雷
Original assignee: Harbin Lengtao Electronic Technology Co ltd
Current assignee: Harbin Lengtao Electronic Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-29
Anticipated expiration: 2032-08-16

Abstract

Direct current power supply circuit based on improved generation chopper boost circuit relates to the power field. The direct current power supply circuit comprises a pin 3 and a pin 1 of an input end CN1, and a terminal 1 and a terminal 2 of two output ends CN 2; the circuit comprises a diode D1, a fuse F1, a voltage stabilizing diode V1, polar capacitors C1, C2, C10, C16, C18 and C20, common capacitors C3, C4, C5, C6, C7, C8, C9, C11, C12, C13, C14, C15, C17 and C19, a light emitting diode LED1, a resistor R1, chokes L1, L2 and L4, an inductor L3 and a switching power supply PWR; the circuit comprises a choke coil for improving the disturbance resistance of the power input; the polar capacitor with the positive and negative directions and the common capacitor are used for filtering and energy storage, the capacitor with the larger capacitance value is generally arranged beside a power supply, the anti-interference performance and the load capacity are improved, and the problems of weak anti-interference performance, poor filtering function and small energy storage of the current direct-current power supply are solved.

Description

Direct current power supply circuit based on improved chopping booster circuit

Technical Field

The patent of the utility model relates to a power field.

Background

The direct current power supply is widely applied to various occasions, such as application fields of household appliances, industrial control, aerospace, aviation, communication (such as notebook computers, cellular phones, pagers and the like), national defense, traffic and the like. Therefore, the research on the direct current power supply has higher theoretical significance and practical engineering application value.

However, the current direct current power supply generally has the problems of weak anti-interference performance, poor filtering function and little energy storage due to different application occasions.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the current problem that DC power supply interference immunity is weak, filtering function is poor, the energy storage is not many, provide the DC power supply circuit based on improved generation chopper boost circuit.

The utility model adopts the technical proposal that:

the direct-current power supply circuit based on the improved chopping booster circuit comprises a pin 3 and a pin 1 of an input end CN1, and

terminals

1 and 2 of two output ends CN 2; the circuit comprises a diode D1, a fuse F1, a voltage stabilizing diode V1, polar capacitors C1, C2, C10, C16, C18 and C20, common capacitors C3, C4, C5, C6, C7, C8, C9, C11, C12, C13, C14, C15, C17 and C19, a light emitting diode LED1, a resistor R1, chokes L1, L2 and L4, an inductor L3 and a switching power supply PWR;

the anode of the diode D1 is used as a pin 3 of the input end CN1, the cathode of the diode D1 is connected with one end of the fuse F1, and the other end of the fuse F1 is simultaneously connected with one end of the voltage stabilizing diode V1, the anodes of the polar capacitors C1 and C2, one ends of the common capacitors C3 and C4 and the pin 1 of the choke coil L1;

pin 1 of input terminal CN1 is connected to the other end of zener diode V1, the cathodes of polar capacitors C1 and C2, the other ends of common capacitors C3 and C4, and pin 2 of choke L1;

the pin 4 of the choke coil L1 is simultaneously connected with one end of a common capacitor C5, one end of a common capacitor C6 and the pin 1 of the choke coil L2; the pin 2 of the choke coil L2 is simultaneously connected with the other end of the common capacitor C5, the other end of the common capacitor C6 and the pin 3 of the choke coil L1;

a pin 4 of the choke coil L2 is simultaneously connected with one end of a common capacitor C7, one end of a capacitor C8 and one end of an inductor L3; a pin 3 of the choke coil L2 is simultaneously connected with the other end of the common capacitor C7, the other end of the capacitor C8, the other end of the capacitor C9, the cathode of the polar capacitor C10 and a pin 4 of the switching power supply PWR; the other end of the inductor L3 is simultaneously connected with one end of a capacitor C9, one end of a capacitor C11, a pin 1 of a switching power supply PWR and the anode of a polar capacitor C10;

the other end of the capacitor C11 is simultaneously connected with a pin 3 of a switching power supply PWR; one end of the capacitor C11 is simultaneously connected with one end of the capacitor C12 and one end of the capacitor C13; the other end of the capacitor C12 and the other end of the capacitor C13 are simultaneously connected with the anode of the polar capacitor C16, and a pin 8 and a pin 9 of the switching power supply PWR; the cathode of the polar capacitor C16 is simultaneously connected with the pin 5 and the pin 6 of the switching power supply PWR, one end of the capacitor C17 and the pin 1 of the choke coil L4;

a pin 3 of the choke coil L4 is simultaneously connected with one end of a capacitor C19, the anode of a polar capacitor C18, the anode of a polar capacitor C20 and the anode of the light-emitting diode LED 1;

the pin 2 of the choke coil L4 is simultaneously connected with the other end of the capacitor C19, the cathode of the polar capacitor C18, the cathode of the polar capacitor C20 and one end of the resistor R1; the cathode of the light emitting diode LED1 is connected with the other end of the resistor R1;

the anode of the polar capacitor C20 is the terminal 1 of the output terminal CN2, and the cathode of the polar capacitor C20 is the terminal 2 of the output terminal CN 2.

Has the beneficial effects that: the utility model discloses a choke: namely, the winding coil of 1; the capacitor with larger capacitance value is generally arranged beside a power supply, so that the anti-interference performance and the loading capacity are improved. In the capacitor and the polar capacitor, 220uf is used for energy storage, so that the anti-interference capacity can be improved, and 2.2uf is the filtering effect. The direct current power supply circuit has the characteristics of strong anti-interference performance, strong filtering function and more energy storage due to the choke coil, the voltage stabilizing diode, the polar capacitor and the common capacitor, and solves the problems of weak anti-interference performance, poor filtering function and less energy storage of the current direct current power supply.

Drawings

FIG. 1 is a schematic diagram of a DC power supply circuit based on an improved chopping booster circuit;

fig. 2 and 3 are enlarged views of fig. 1.

Detailed Description

The first embodiment,

Specifically describing the present embodiment with reference to fig. 1 to 3, the dc power supply circuit based on the improved chopper-boost circuit according to the present embodiment includes pin 3 and pin 1 of an input terminal CN1, and terminal 1 and terminal 2 of two output terminals CN 2; the circuit comprises a diode D1, a fuse F1, a voltage stabilizing diode V1, polar capacitors C1, C2, C10, C16, C18 and C20, common capacitors C3, C4, C5, C6, C7, C8, C9, C11, C12, C13, C14, C15, C17 and C19, a light emitting diode LED1, a resistor R1, chokes L1, L2 and L4, an inductor L3 and a switching power supply PWR;

pin 4 of choke coil L1 is connected with one end of common capacitor C5, one end of C6 and pin 1 of choke coil L2 at the same time; the pin 2 of the choke coil L2 is simultaneously connected with the other end of the common capacitor C5, the other end of the common capacitor C6 and the pin 3 of the choke coil L1;

the anode of the polar capacitor C20 serves as the terminal 1 of the output terminal CN2, and the cathode of the polar capacitor C20 serves as the terminal 2 of the output terminal CN 2.

The dc power supply circuit based on the improved chopper boost circuit of the embodiment includes a choke coil: namely, the winding coil of 1; the capacitor with a larger capacitance value is generally arranged beside a power supply, so that the anti-interference performance and the loading capacity are improved.

In the capacitor and the polar capacitor, 220uf is used for storing energy, so that the anti-interference capacity can be improved, and 2.2uf is the filtering effect.

The direct current power supply circuit has the characteristics of strong anti-interference performance, strong filtering function and more energy storage due to the choke coil, the voltage stabilizing diode, the polar capacitor and the common capacitor, and solves the problems of weak anti-interference performance, poor filtering function and less energy storage of the current direct current power supply.

The present invention has been described in terms of several specific embodiments, and it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, the utility model can be modified in various ways according to specific conditions or concrete conditions without departing from the scope of the utility model. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The direct-current power supply circuit based on the improved chopping booster circuit comprises a pin 3 and a pin 1 of an input end CN1, and terminals 1 and 2 of two output ends CN 2; the circuit is characterized by comprising a diode D1, a fuse F1, a voltage stabilizing diode V1, polar capacitors C1, C2, C10, C16, C18, C20, common capacitors C3, C4, C5, C6, C7, C8, C9, C11, C12, C13, C14, C15, C17 and C19, a light emitting diode LED1, a resistor R1, choking coils L1, L2 and L4, an inductor L3 and a switching power supply PWR;

pin 1 of input terminal CN1 is connected to the other end of zener diode V1, the cathodes of polar capacitors C1 and C2, the other ends of common capacitors C3 and C4, and pin 2 of choke coil L1;

a pin 4 of the choke coil L2 is simultaneously connected with one end of a common capacitor C7, one end of a capacitor C8 and one end of an inductor L3; a pin 3 of the choke coil L2 is simultaneously connected with the other end of a common capacitor C7, the other end of a capacitor C8, the other end of a capacitor C9, a cathode of a polar capacitor C10 and a pin 4 of a switching power supply PWR; the other end of the inductor L3 is simultaneously connected with one end of a capacitor C9, one end of a capacitor C11, a pin 1 of a switching power supply PWR and the anode of a polar capacitor C10;

the pin 3 of the choke coil L4 is simultaneously connected with one end of a capacitor C19, the anode of a polar capacitor C18, the anode of a polar capacitor C20 and the anode of the light-emitting diode LED 1;