CN213279495U

CN213279495U - DC-DC boosting power supply

Info

Publication number: CN213279495U
Application number: CN202022646291.5U
Authority: CN
Inventors: 王茂璋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-05-25
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a DC-DC power that steps up, including power module, DC-AC module, AC-DC module, voltage stabilizing circuit module and output voltage module, power module connects DC-AC module, and AC-DC module is connected to DC-AC module, and voltage stabilizing circuit module is connected to AC-DC module, and voltage stabilizing circuit module and output voltage module are connected, compare with prior art, the beneficial effects of the utility model are that: the scheme adds the voltage stabilizing circuit, so that the amplified direct current can be output to equipment with weak anti-interference performance, the application range of the DC-DC amplifying circuit is enlarged, and the DC-DC amplifying circuit is not limited to be used on equipment with strong anti-interference performance.

Description

DC-DC boosting power supply

Technical Field

The utility model relates to a power field specifically is a DC-DC power that steps up.

Background

AT power supplies, the AT specification proposed by IBM, commonly known as 386486, are used on older machines, of the type proposed by IBM when it came out of PC/AT machines, as a deception of creditable computer switching power supplies before the 90's last century. This type provides four sets of voltages +5V, -5V, +12V, -12V, with hard switching. In 1995, Intel introduced a new motherboard architecture, ATX, which was the power supply of ATX specification, and so far, we still used the power supply of this system, but the version was changed.

The DC-DC power supply needs to be DC-AC firstly in the conversion process, the conversion process is realized by an oscillating circuit, the generated pulse still outputs unstable voltage after passing through the AC-DC, and the DC-DC power supply only can be suitable for equipment with stronger anti-interference capability and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DC-DC power that steps up to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a DC-DC booster power supply comprises a power supply module, a DC-AC module, an AC-DC module, a voltage stabilizing circuit module and an output voltage module, wherein the power supply module is connected with the DC-AC module, the DC-AC module is connected with the AC-DC module, the AC-DC module is connected with the voltage stabilizing circuit module, and the voltage stabilizing circuit module is connected with the output voltage module.

As a further aspect of the present invention: the power supply module comprises a power supply E and a switch S, the DC-AC module comprises a triode V, a coil L and a resistor R, the AC-DC module comprises a coil L, a rectifier T, a capacitor C, a resistor R and a resistor R, the voltage stabilizing circuit module comprises a resistor R, a slide rheostat RP, a triode V and a capacitor C, the output voltage module comprises a diode D and an output voltage VOUT, the positive pole of the power supply E is connected with the switch S, the other end of the switch S is connected with the coil L and the coil L, the other end of the coil L is connected with the collector of the triode V, the emitter of the triode V is connected with the negative pole of the power supply E, the base of the triode V is connected with the resistor R, the other end of the resistor R is connected with, Voltage on a coil L2, one end of the coil L3 is connected with a pin 1 of a rectifier T, the other end of the coil L3 is connected with a pin 2 of the rectifier T, a pin 3 of the rectifier T is grounded, a pin 4 of the rectifier T is connected with a capacitor C1 and a resistor R1, the other end of the capacitor C1 is grounded, the other end of a resistor R1 is connected with a capacitor C2 and a resistor R2, the other end of the capacitor C2 is grounded, the other end of a resistor R2 is connected with a resistor R3, a resistor R5 and a collector of a triode V5, the other end of the resistor R5 is grounded, the other end of the resistor R5 is connected with a sliding end of a sliding rheostat RP, the resistor R5, a base of the triode V5 and an emitter of the triode V5, the sliding rheostat is connected with a resistor R5, the other end of the resistor R5 is connected with a base of the resistor R5 and a base of the triode V5 is connected with a resistor R, The other end of the resistor R6, the collector of the triode V4 is grounded, the emitter of the triode V2 is connected with the capacitor C3, the anode of the diode D5 and the output voltage VOUT, the other end of the capacitor C3 is grounded, and the cathode of the diode D5 is grounded.

As a further aspect of the present invention: and the coil L1, the coil L2 and the triode V1 form an oscillating circuit to form oscillating current, so that direct current is converted into alternating current.

As a further aspect of the present invention: the rectifier T is constituted by a bridge rectifier circuit.

As a further aspect of the present invention: the capacitor C1 and the capacitor C2 are polar capacitors.

As a further aspect of the present invention: the diode D5 is a light emitting diode.

As a further aspect of the present invention: the triode V1, the triode V2 and the triode V3 are NPN triodes, and the triode V4 is a PNP triode.

Compared with the prior art, the beneficial effects of the utility model are that: the scheme adds the voltage stabilizing circuit, so that the amplified direct current can be output to equipment with weak anti-interference performance, the application range of the DC-DC amplifying circuit is enlarged, and the DC-DC amplifying circuit is not limited to be used on equipment with strong anti-interference performance.

Drawings

Fig. 1 is a schematic diagram of a DC-DC boost power supply.

Fig. 2 is a circuit diagram of a DC-DC boost power supply.

Fig. 3 is an internal structural view of the rectifier T.

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.

Example 1: referring to fig. 1, a DC-DC boost power supply includes a power module for providing a power supply, a DC-AC module for providing an oscillating current, an AC-DC module for converting an alternating current into a direct current, a voltage stabilizing module for stabilizing a voltage with a large variation, and an output voltage module for outputting an amplified direct current, wherein the power module is connected to the DC-AC module, the DC-AC module is connected to the AC-DC module, the AC-DC module is connected to the voltage stabilizing circuit module, and the voltage stabilizing circuit module is connected to the output voltage module.

As shown in FIG. 2, the power module comprises a power source E1 and a switch S, the DC-AC module comprises a transistor V1, a coil L1, a coil L2 and a resistor R2, the AC-DC module comprises a coil L2, a rectifier T, a capacitor C2, a resistor R2 and a resistor R2, the voltage regulator module comprises a resistor R2, a sliding rheostat RP, a transistor V2 and a capacitor C2, the output voltage module comprises a diode D2 and an output voltage VOUT, the positive pole of the power source E2 is connected with the switch S, the other end of the switch S is connected with the coil L2 and the coil L2, the other end of the coil L2 is connected with the collector of the transistor V2, the emitter of the transistor V2 is connected with the negative pole of the power source E2, the base of the transistor V2, the other end of the resistor R2 is connected with the resistor R2, the coil L3 amplifies the voltage on the coil L1 and the coil L2, one end of the coil L3 is connected with the pin No. 1 of the rectifier T, the other end of the coil L3 is connected with the pin No. 2 of the rectifier T, the pin No. 3 of the rectifier T is grounded, the pin No. 4 of the rectifier T is connected with the capacitor C1 and the resistor R1, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected with the capacitor C1 and the resistor R1, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected with the resistor R1, the resistor R1 is connected with the collector of the triode V1, the other end of the resistor R1 is grounded, the other end of the resistor R1 is connected with the sliding end of the sliding rheostat RP, the resistor R1, the base of the triode V1 and the emitter of the triode V1 are connected with the resistor R1, the base of the triode V1 is grounded, the base of the triode V1 is connected with the emitter of the triode V, The other end of the resistor R6, the collector of the triode V4 is grounded, the emitter of the triode V2 is connected with the capacitor C3, the anode of the diode D5 and the output voltage VOUT, the other end of the capacitor C3 is grounded, and the cathode of the diode D5 is grounded.

The utility model discloses a theory of operation is: after the switch S is closed, a power supply E1 provides voltage, a coil L1 and a coil L2 amplify current through a triode V1 to generate oscillation current to form an oscillation circuit, direct current is converted into alternating current, the voltage is amplified through a coil L3, the coil L3 outputs the alternating current, the alternating current is rectified through a rectifier T, the alternating current is filtered through a capacitor C1 and a capacitor C2, a resistor R1 and a resistor R2 and a resistor R3 prevent the capacitor C1 and a capacitor C2 from collecting and releasing electricity too fast, the rectified and filtered current is transmitted to the resistor R5 and the triode V2, the current transmitted by the resistor R5 can be transmitted to a base of a triode V3, a base of a triode V2 and a collector of a triode V4, after the three triodes are conducted, the voltages of the triode V2, the triode V3 and a collector and an emitter of the triode V4 are not changed any more, the functions are completely the same as a voltage stabilizing tube, the voltage regulation effect is, The ratio of the slide rheostat RP, the resistor R7 and the resistor R9 determines the output voltage value, the light emitting diode D5 emits light, the display circuit operates normally, and the phenomena of short circuit and the like do not occur.

Embodiment 2, on the basis of embodiment 1, fig. 3 is an internal structure diagram of a rectifier T, the rectifier T is composed of a bridge rectifier circuit, the bridge rectifier is an improvement of a half-wave rectifier of a diode, the half-wave rectifier utilizes a special effect of unidirectional conduction of the diode, the circuit is turned on when a sine wave is input, the circuit is turned off when a negative sine wave is input, the current loss of the negative sine wave is input, when the sine wave is input by the bridge rectifier, two diodes are turned on, current is output, and when the negative sine wave is input, the other two diodes are reversely connected or output current, so that the utilization efficiency of the bridge rectifier is twice higher than that of the half-wave rectifier on the input sine wave.

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

1. A DC-DC boost power supply comprises a power supply module, a DC-AC module, an AC-DC module, a voltage stabilizing circuit module and an output voltage module, and is characterized in that the power supply module is connected with the DC-AC module, the DC-AC module is connected with the AC-DC module, the AC-DC module is connected with the voltage stabilizing circuit module, the voltage stabilizing circuit module is connected with the output voltage module, the power supply module is composed of a power supply E1 and a switch S, the DC-AC module is composed of a triode V1, a coil L1, a coil L2 and a resistor R4, the AC-DC module is composed of a coil L3, a rectifier T, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2 and a resistor R3, the voltage stabilizing circuit module is composed of a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a slide rheostat, a triode V2, a triode V3, The output voltage module is composed of a capacitor C1, the output voltage module is composed of a diode D5 and an output voltage VOUT, the positive electrode of the power supply E1 is connected with a switch S, the other end of the switch S is connected with a coil L1 and a coil L2, the other end of the coil L1 is connected with the collector of a triode V1, the emitter of a triode V1 is connected with the negative electrode of a power supply E1, the base of a triode V1 is connected with a resistor R4, the other end of a resistor R4 is connected with the other end of a coil L2, the coil L2 amplifies the voltage on the coil L2 and the coil L2, one end of the coil L2 is connected with a pin 1 of a rectifier T, the other end of the coil L2 is connected with a pin 2 of the rectifier T, a pin 3 of the rectifier T is grounded, a pin 4 of the rectifier T is connected with the capacitor C2 and the resistor R2, the other end of the capacitor C2 is grounded, the other end of the resistor R2 is connected with the C36, the other end of the resistor R3 is grounded, the other end of the resistor R5 is connected with the sliding end of the sliding rheostat RP, the resistor R6, the base of the triode V2 and the emitter of the triode V4, the sliding rheostat is connected with the resistor R7, the other end of the resistor R7 is connected with the resistor R9 and the base of the triode V3, the other end of the resistor R9 is grounded, the emitter of the triode V3 is grounded, the emitter of the triode V3 is connected with the resistor R8, the resistor R8 is connected with the base of the triode V4 and the other end of the resistor R6, the collector of the triode V4 is grounded, the emitter of the triode V2 is connected with the capacitor C3, the anode of the diode D5 and the output voltage VOUT, the.

2. A DC-DC boost power supply according to claim 1, wherein said coil L1, coil L2 and transistor V1 form an oscillator circuit.

3. A DC-DC boost power supply according to claim 1, wherein said rectifier T is constituted by a bridge rectifier circuit.

4. A DC-DC boost power supply according to claim 1, wherein said capacitors C1 and C2 are polar capacitors.

5. A DC-DC boost power supply according to claim 1, wherein said diode D5 is a light emitting diode.

6. A DC-DC boost power supply according to claim 3, wherein said transistor V1, transistor V2, and transistor V3 are NPN transistors, and transistor V4 is a PNP transistor.