CN219304705U - Voltage-stabilizing output power supply circuit - Google Patents
Voltage-stabilizing output power supply circuit Download PDFInfo
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- CN219304705U CN219304705U CN202223346509.0U CN202223346509U CN219304705U CN 219304705 U CN219304705 U CN 219304705U CN 202223346509 U CN202223346509 U CN 202223346509U CN 219304705 U CN219304705 U CN 219304705U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model relates to a regulated output power supply circuit, which comprises a regulated power supply Vcc, a regulated load circuit and a rectifier bridge circuit; the voltage stabilizing load circuit comprises a voltage stabilizing resistor R1, a voltage stabilizing resistor R2, a voltage stabilizing resistor R3, a voltage stabilizing resistor R4, a voltage stabilizing resistor R5, a voltage stabilizing resistor R6, a voltage stabilizing resistor R7, a voltage stabilizing triode Q1, a capacitor C2, a capacitor C3 and a triode Q; the rectifier bridge circuit comprises a zener diode D1, a zener diode D2, a zener diode D3, a zener diode D4 and a filter A. The utility model is provided with the stabilized power supply Vcc, the stabilized load circuit and the rectifier bridge circuit, ensures stable electric signals in the rectifying, stabilizing and outputting processes, and has the advantages of simple circuit structure, low power consumption, low cost and high efficiency.
Description
Technical Field
The utility model belongs to the technical field of circuits, and particularly relates to a voltage-stabilizing output power supply circuit.
Background
The power supply is an indispensable component of various electronic equipment, in a circuit, the power supply is one of the most important parts for ensuring the stable operation of the circuit, the performance quality is directly related to the technical index of the electronic equipment and whether the electronic equipment can work safely and reliably, and the problems of poor safety performance, complex structure and higher power consumption of the conventional voltage-stabilizing output power supply are solved.
Disclosure of Invention
The utility model aims to solve the problems of poor safety performance, complex structure and higher power consumption of the conventional voltage-stabilized output power supply.
The utility model provides a regulated output power supply circuit, which mainly comprises: a regulated power supply Vcc, a regulated load circuit and a rectifier bridge circuit; the voltage stabilizing load circuit comprises a voltage stabilizing resistor R1, a voltage stabilizing resistor R2, a voltage stabilizing resistor R3, a voltage stabilizing resistor R4, a voltage stabilizing resistor R5, a voltage stabilizing resistor R6, a voltage stabilizing resistor R7, a voltage stabilizing triode Q1, a capacitor C2, a capacitor C3 and a triode Q; the rectifier bridge circuit comprises a zener diode D1, a zener diode D2, a zener diode D3, a zener diode D4 and a filter A.
Preferably, the positive electrode of the regulated power supply Vcc is connected to one end of the capacitor C3 and one end of the regulated resistor R7, and the other end of the regulated resistor R7 is connected to the positive electrode of the filter a; the other end of the capacitor C3 is connected to the positive electrode of the filter A through the voltage stabilizing resistor R6 and the capacitor C4, and the negative electrode of the filter A is grounded.
Preferably, the zener diode D1, the zener diode D2, the zener diode D3, and the zener diode D4 are connected end to form a rectifier bridge circuit, one end of the rectifier bridge circuit is connected to the output end of the filter a, and the other end of the rectifier bridge circuit is connected to the base of the triode Q.
Preferably, the other end of the capacitor C3 is connected to one end of the voltage stabilizing resistor R5, one end of the capacitor C2, one end of the voltage stabilizing resistor R1 and the base of the triode Q, respectively; the other end of the voltage stabilizing resistor R5 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a voltage stabilizing resistor R4 and is grounded at the same time; the other end of the capacitor C2 is connected with the negative electrode of the regulated power supply Vcc through a regulated resistor R3; the emitter of the triode Q is connected with the negative electrode of the regulated power supply Vcc through a voltage stabilizing resistor R2 and is grounded at the same time, and the collector of the triode Q is connected with one end of a voltage stabilizing resistor R3; the other end of the voltage stabilizing resistor R1 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a capacitor C1.
Preferably, the capacitor C1, the capacitor C2 and the capacitor C3 are filter capacitors, and the capacitance value of the capacitor is 22uF.
Preferably, filter a is an SRB250VAC model filter.
The utility model arranges the voltage-stabilized power supply Vcc, the voltage-stabilized load circuit and the rectifier bridge circuit in the circuit, ensures stable electric signals in the rectifying, voltage-stabilizing and outputting processes, has the advantages of simple circuit structure, low power consumption, low cost and high efficiency, and solves the problems of poor safety performance, complex structure and higher power consumption of the voltage-stabilized output of the existing voltage-stabilized output power supply.
Drawings
Fig. 1 is a circuit diagram of the present utility model.
Detailed Description
The present embodiment will be described specifically with reference to the accompanying drawings, as shown in fig. 1, a regulated output power supply circuit according to the present embodiment, the circuit mainly includes: a regulated power supply Vcc, a regulated load circuit and a rectifier bridge circuit; the voltage stabilizing load circuit comprises a voltage stabilizing resistor R1, a voltage stabilizing resistor R2, a voltage stabilizing resistor R3, a voltage stabilizing resistor R4, a voltage stabilizing resistor R5, a voltage stabilizing resistor R6, a voltage stabilizing resistor R7, a voltage stabilizing triode Q1, a capacitor C2, a capacitor C3 and a triode Q; the rectifier bridge circuit comprises a zener diode D1, a zener diode D2, a zener diode D3, a zener diode D4 and a filter A. The positive electrode of the regulated power supply Vcc is respectively connected with one end of a capacitor C3 and one end of a regulated resistor R7, and the other end of the regulated resistor R7 is connected with the positive electrode of a filter A; the other end of the capacitor C3 is connected to the positive electrode of the filter A through the voltage stabilizing resistor R6 and the capacitor C4, and the negative electrode of the filter A is grounded. The voltage stabilizing diode D1, the voltage stabilizing diode D2, the voltage stabilizing diode D3 and the voltage stabilizing diode D4 are connected end to form a rectifier bridge circuit, one end of the rectifier bridge circuit is connected with the output end of the filter A, and the other end of the rectifier bridge circuit is connected with the base electrode of the triode Q. The other end of the capacitor C3 is respectively connected with one end of the voltage stabilizing resistor R5, one end of the capacitor C2, one end of the voltage stabilizing resistor R1 and the base electrode of the triode Q; the other end of the voltage stabilizing resistor R5 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a voltage stabilizing resistor R4 and is grounded at the same time; the other end of the capacitor C2 is connected with the negative electrode of the regulated power supply Vcc through a regulated resistor R3; the emitter of the triode Q is connected with the negative electrode of the regulated power supply Vcc through a voltage stabilizing resistor R2 and is grounded at the same time, and the collector of the triode Q is connected with one end of a voltage stabilizing resistor R3; the other end of the voltage stabilizing resistor R1 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a capacitor C1.
The capacitor C1, the capacitor C2 and the capacitor C3 of the voltage-stabilized output power supply circuit all adopt filter capacitors, and the capacitance value of the capacitors is 22uF. Filter a employs an SRB250VAC model filter.
In this embodiment, the SRB250VAC model filter has no loss of in-band signals, and is less susceptible to multi-stage correlation and highly reliable.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A regulated output power supply circuit, the circuit comprising: a regulated power supply Vcc, a regulated load circuit and a rectifier bridge circuit; the voltage stabilizing load circuit comprises a voltage stabilizing resistor R1, a voltage stabilizing resistor R2, a voltage stabilizing resistor R3, a voltage stabilizing resistor R4, a voltage stabilizing resistor R5, a voltage stabilizing resistor R6, a voltage stabilizing resistor R7, a voltage stabilizing triode Q1, a capacitor C2, a capacitor C3 and a triode Q; the rectifier bridge circuit comprises a zener diode D1, a zener diode D2, a zener diode D3, a zener diode D4 and a filter A.
2. The regulated output power supply circuit according to claim 1, wherein a positive electrode of the regulated power supply Vcc is connected to one end of the capacitor C3 and one end of the regulated resistor R7, respectively, and the other end of the regulated resistor R7 is connected to the positive electrode of the filter a; the other end of the capacitor C3 is connected to the positive electrode of the filter A through the voltage stabilizing resistor R6 and the capacitor C4, and the negative electrode of the filter A is grounded.
3. The regulated output power supply circuit according to claim 1, wherein the zener diode D1, the zener diode D2, the zener diode D3, and the zener diode D4 are connected end to form a rectifier bridge circuit, one end of the rectifier bridge circuit is connected to the output terminal of the filter a, and the other end of the rectifier bridge circuit is connected to the base electrode of the triode Q.
4. The regulated output power supply circuit according to claim 1, wherein the other end of the capacitor C3 is connected to one end of the regulator resistor R5, one end of the capacitor C2, one end of the regulator resistor R1 and the base of the triode Q, respectively; the other end of the voltage stabilizing resistor R5 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a voltage stabilizing resistor R4 and is grounded at the same time; the other end of the capacitor C2 is connected with the negative electrode of the regulated power supply Vcc through a regulated resistor R3; the emitter of the triode Q is connected with the negative electrode of the regulated power supply Vcc through a voltage stabilizing resistor R2 and is grounded at the same time, and the collector of the triode Q is connected with one end of a voltage stabilizing resistor R3; the other end of the voltage stabilizing resistor R1 is connected with the negative electrode of the voltage stabilizing power supply Vcc through a capacitor C1.
5. The regulated output power supply circuit of claim 1, wherein the capacitor C1, the capacitor C2 and the capacitor C3 each employ a filter capacitor, and the capacitance value of the capacitor is 22uF.
6. The regulated output power supply circuit of claim 1, wherein filter a is a SRB250VAC model filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346509.0U CN219304705U (en) | 2022-12-09 | 2022-12-09 | Voltage-stabilizing output power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346509.0U CN219304705U (en) | 2022-12-09 | 2022-12-09 | Voltage-stabilizing output power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219304705U true CN219304705U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223346509.0U Active CN219304705U (en) | 2022-12-09 | 2022-12-09 | Voltage-stabilizing output power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219304705U (en) |
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2022
- 2022-12-09 CN CN202223346509.0U patent/CN219304705U/en active Active
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