CN220022629U - DC-DC boosting power supply - Google Patents
DC-DC boosting power supply Download PDFInfo
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- CN220022629U CN220022629U CN202321702802.8U CN202321702802U CN220022629U CN 220022629 U CN220022629 U CN 220022629U CN 202321702802 U CN202321702802 U CN 202321702802U CN 220022629 U CN220022629 U CN 220022629U
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- 239000003990 capacitor Substances 0.000 claims description 43
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Abstract
The utility model discloses a DC-DC boost power supply, which relates to the field of voltage supply, and comprises: the power supply module is used for supplying direct current and outputting the direct current to the PWM regulating module and the direct current-to-alternating current module; the direct current-to-alternating current module is used for converting direct current into alternating current and outputting the alternating current to the amplifying output module; the amplifying output module is used for amplifying the alternating current and then converting the alternating current into direct current and outputting the direct current to the voltage regulating module; the voltage regulating module is used for receiving the PWM signal and regulating the output voltage according to the duty ratio of the PWM signal; the PWM adjusting module is used for outputting an adjustable PWM signal and supplying the adjustable PWM signal to the voltage adjusting module; compared with the prior art, the utility model has the beneficial effects that: according to the utility model, PWM signals with different duty ratios are regulated and output through the PWM regulating module, so that the conduction state of the voltage regulating module is controlled, the finally output direct current is changed, the low voltage control of high voltage is completed, and the regulation of the output voltage by a user is facilitated.
Description
Technical Field
The utility model relates to the field of voltage supply, in particular to a DC-DC boosting power supply.
Background
DC-DC is a method of converting one voltage value into another voltage value in a DC circuit, and DC-DC boosting is a method of boosting and outputting DC.
The current DC-DC boosting power supply is characterized in that the boosted direct current voltage is always larger than 36V and higher than the human body safety voltage, and the voltage is always inconvenient to regulate and needs to be improved.
Disclosure of Invention
The utility model aims to provide a DC-DC boost power supply for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a DC-DC boost power supply, comprising:
the power supply module is used for supplying direct current and outputting the direct current to the PWM regulating module and the direct current-to-alternating current module;
the direct current-to-alternating current module is used for converting direct current into alternating current and outputting the alternating current to the amplifying output module;
the amplifying output module is used for amplifying the alternating current and then converting the alternating current into direct current and outputting the direct current to the voltage regulating module;
the voltage regulating module is used for receiving the PWM signal and regulating the output voltage according to the duty ratio of the PWM signal;
the PWM adjusting module is used for outputting an adjustable PWM signal and supplying the adjustable PWM signal to the voltage adjusting module;
the power supply module is connected with the PWM regulating module and the direct current-to-alternating current module, the direct current-to-alternating current module is connected with the amplifying output module, the amplifying output module is connected with the voltage regulating module, and the PWM regulating module is connected with the voltage regulating module.
As still further aspects of the utility model: the direct current changes alternating current module and includes resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, triode V1, resistance R1 ' S one end connection resistance R2 ' S one end, resistance R3 ' S one end, resistance R4 ' S one end, switch S1 ' S one end, power module is connected to switch S1 ' S the other end, electric capacity C2 ' S one end is connected to resistance R1 ' S the other end, triode V2 ' S collecting electrode, triode V2 ' S base is connected to resistance R2 ' S the other end, electric capacity C1 ' S one end, triode V1 ' S base is connected to resistance R3 ' S the other end, electric capacity C2 ' S the other end is connected to resistance R4 ' S the other end, triode V1 ' S collecting electrode, transformer W ' S first end is connected to triode V2 ' S projecting pole, transformer W ' S third end is connected to triode V1 ' S projecting pole.
As still further aspects of the utility model: the amplifying output module comprises a transformer W, a diode D1 and a capacitor C3, wherein a first end and a third end of the transformer W are connected with the DC-AC module, a second end of the transformer W is grounded, a fifth end of the transformer W is grounded, a fourth end of the transformer W is connected with the positive electrode of the diode D1, a negative electrode of the diode D1 is connected with one end of the capacitor C3 and the voltage regulating module, and the other end of the capacitor C3 is grounded.
As still further aspects of the utility model: the voltage regulating module comprises a resistor R5, an MOS tube V3 and a voltmeter V, wherein one end of the resistor R5 is connected with the amplifying output module, the other end of the resistor R5 is connected with the D pole of the MOS tube V3, the G pole of the MOS tube V3 is connected with the PWM regulating module, the S pole of the MOS tube V3 is connected with one end of the voltmeter V, and the other end of the voltmeter V is grounded.
As still further aspects of the utility model: the PWM regulation module comprises a resistor R6, a diode D2, a capacitor C4, a resistor R7, a resistor R8, a diode D3, a diode D4, a potentiometer RP1, a capacitor C5, a timer U1 and a capacitor C6, wherein one end of the resistor R6 is connected with the power supply module, the other end of the resistor R6 is connected with the cathode of the diode D2, one end of the capacitor C4, one end of the resistor R7, a pin 4 of the timer U1 and a pin 8 of the timer U1, the anode of the diode D2 is grounded, the other end of the capacitor C4 is grounded, the other end of the resistor R7 is connected with a pin 7 of the timer U1, one end of the resistor R8 and the cathode of the diode D4 are connected with the anode of the diode D3, the cathode of the diode D3 is connected with one end of the potentiometer RP1, the sliding end of the potentiometer RP1 is connected with one end of the capacitor C5, the pin 2 of the timer U1 and the pin 6 of the timer U1, and the pin 5 of the timer U1 is grounded, and the other end of the timer U1 is connected with the pin 5 of the timer U1 is grounded.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, PWM signals with different duty ratios are regulated and output through the PWM regulating module, so that the conduction state of the voltage regulating module is controlled, the finally output direct current is changed, the low voltage control of high voltage is completed, and the regulation of the output voltage by a user is facilitated.
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 a circuit diagram of a PWM adjustment module.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1, a DC-DC boost power supply includes:
the power supply module is used for supplying direct current and outputting the direct current to the PWM regulating module and the direct current-to-alternating current module;
the direct current-to-alternating current module is used for converting direct current into alternating current and outputting the alternating current to the amplifying output module;
the amplifying output module is used for amplifying the alternating current and then converting the alternating current into direct current and outputting the direct current to the voltage regulating module;
the voltage regulating module is used for receiving the PWM signal and regulating the output voltage according to the duty ratio of the PWM signal;
the PWM adjusting module is used for outputting an adjustable PWM signal and supplying the adjustable PWM signal to the voltage adjusting module;
the power supply module is connected with the PWM regulating module and the direct current-to-alternating current module, the direct current-to-alternating current module is connected with the amplifying output module, the amplifying output module is connected with the voltage regulating module, and the PWM regulating module is connected with the voltage regulating module.
In this embodiment: referring to fig. 2, the dc-ac module includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a capacitor C2, a triode V2, and a triode V1, wherein one end of the resistor R1 is connected with one end of the resistor R2, one end of the resistor R3, one end of the resistor R4, one end of the switch S1, the other end of the switch S1 is connected with the power supply module, the other end of the resistor R1 is connected with one end of the capacitor C2, a collector of the triode V2, the other end of the resistor R2 is connected with a base of the triode V2, the other end of the capacitor C1, the other end of the resistor R4 is connected with a collector of the triode V1, an emitter of the triode V2 is connected with a first end of the transformer W, and an emitter of the triode V1 is connected with a third end of the transformer W.
After the switch S1 is closed, the circuit voltage is input, because the transistors V1 and V2 have a pilot conduction, the voltage of the capacitor C1 is pulled down by using the pilot conduction example of the transistor V1, so that the transistor V2 is turned off, a current from bottom to top is formed on the transformer W, the capacitor C1 is continuously charged, when the capacitor is charged to a high level, the transistor V2 is turned on, the voltage of the capacitor C2 is pulled down, the transistor V1 is turned off, a current from top to bottom is formed on the transformer W, the capacitor C2 is continuously charged, the transistor V1 is turned on again, and the alternating current is formed on the transformer W in a reciprocating manner.
In this embodiment: referring to fig. 2, the amplifying output module includes a transformer W, a diode D1, and a capacitor C3, wherein a first end and a third end of the transformer W are connected to the dc-ac module, a second end of the transformer W is grounded, a fifth end of the transformer W is grounded, a fourth end of the transformer W is connected to an anode of the diode D1, a cathode of the diode D1 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is grounded.
The alternating current is amplified by the transformer W and then output, and is changed into direct current through the diode D1 and the capacitor C3.
In this embodiment: referring to fig. 2, the voltage regulating module includes a resistor R5, a MOS tube V3, a voltmeter V, wherein one end of the resistor R5 is connected to the amplifying output module, the other end of the resistor R5 is connected to the D pole of the MOS tube V3, the G pole of the MOS tube V3 is connected to the PWM regulating module, the S pole of the MOS tube V3 is connected to one end of the voltmeter V, and the other end of the voltmeter V is grounded.
The magnitude of the output voltage VCC is changed by adjusting the on state of the MOS tube V3, and is observed through the voltmeter V.
In this embodiment: referring to fig. 3, the pwm adjusting module includes a resistor R6, a diode D2, a capacitor C4, a resistor R7, a resistor R8, a diode D3, a diode D4, a potentiometer RP1, a capacitor C5, a timer U1, and a capacitor C6, where the timer U1 is a 555 timer, one end of the resistor R6 is connected to the power supply module, the other end of the resistor R6 is connected to the cathode of the diode D2, one end of the capacitor C4, one end of the resistor R7, pin 4 of the timer U1, pin 8 of the timer U1, the anode of the diode D2 is grounded, the other end of the resistor C4 is grounded, pin 7 of the resistor R7 is connected to one end of the resistor R8, the cathode of the diode D4 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to one end of the potentiometer RP1, the anode of the diode D4 is connected to the other end of the potentiometer RP1, the sliding end of the potentiometer RP1 is connected to one end of the capacitor C5, pin 2 of the timer U1, pin 6 of the timer U1 is grounded, and pin 1 of the timer U1 is grounded, pin 1 is provided.
The direct current is limited by a resistor R6 and is output after being limited by a voltage-stabilizing diode D2, a timer U1 forms an oscillator, the voltage of pins 2 and 6 of the timer U1 determines whether a pin 3 outputs a high level or a low level, and the voltage on a capacitor C5 is the voltage of pins 2 and 6 of the timer U1; therefore, the on state of the MOS tube V3 is controlled by adjusting the resistance value of the potentiometer RP1 to change the charge and discharge speed of the capacitor C5 and further change the duty ratio of the PWM signal output by the pin No. 3.
The working principle of the utility model is as follows: the power supply module is used for supplying direct current and outputting the direct current to the PWM regulating module and the direct current-to-alternating current module; the direct current-to-alternating current module is used for converting direct current into alternating current and outputting the alternating current to the amplifying output module; the amplifying output module is used for amplifying the alternating current and then converting the alternating current into direct current and outputting the direct current to the voltage regulating module; the voltage regulating module is used for receiving the PWM signal and regulating the output voltage according to the duty ratio of the PWM signal; the PWM adjusting module is used for outputting an adjustable PWM signal and supplying the adjustable PWM signal to the voltage adjusting module.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 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 (5)
1. A DC-DC boost power supply, characterized by:
the DC-DC boost power supply includes:
the power supply module is used for supplying direct current and outputting the direct current to the PWM regulating module and the direct current-to-alternating current module;
the direct current-to-alternating current module is used for converting direct current into alternating current and outputting the alternating current to the amplifying output module;
the amplifying output module is used for amplifying the alternating current and then converting the alternating current into direct current and outputting the direct current to the voltage regulating module;
the voltage regulating module is used for receiving the PWM signal and regulating the output voltage according to the duty ratio of the PWM signal;
the PWM adjusting module is used for outputting an adjustable PWM signal and supplying the adjustable PWM signal to the voltage adjusting module;
the power supply module is connected with the PWM regulating module and the direct current-to-alternating current module, the direct current-to-alternating current module is connected with the amplifying output module, the amplifying output module is connected with the voltage regulating module, and the PWM regulating module is connected with the voltage regulating module.
2. The DC-DC boost power supply of claim 1, wherein the DC-DC boost power supply module includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a capacitor C2, a transistor V2, and a transistor V1, one end of the resistor R1 is connected to one end of the resistor R2, one end of the resistor R3, one end of the resistor R4, one end of the switch S1, the other end of the switch S1 is connected to the power supply module, the other end of the resistor R1 is connected to one end of the capacitor C2, a collector of the transistor V2, the other end of the resistor R2 is connected to a base of the transistor V2, one end of the capacitor C1, the other end of the resistor R3 is connected to a base of the transistor V1, the other end of the capacitor C2, the other end of the resistor R4 is connected to the other end of the capacitor C1, a collector of the transistor V1, an emitter of the transistor V2 is connected to a first end of the transformer W, and an emitter of the transistor V1 is connected to a first end of the transformer W.
3. The DC-DC boost power supply of claim 1, wherein the amplifying output module includes a transformer W, a diode D1, and a capacitor C3, a first end and a third end of the transformer W are connected to the DC-ac module, a second end of the transformer W is grounded, a fifth end of the transformer W is grounded, a fourth end of the transformer W is connected to an anode of the diode D1, a cathode of the diode D1 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is grounded.
4. The DC-DC boost power supply according to claim 1, wherein the voltage regulating module comprises a resistor R5, a MOS tube V3 and a voltmeter V, one end of the resistor R5 is connected with the amplifying output module, the other end of the resistor R5 is connected with the D pole of the MOS tube V3, the G pole of the MOS tube V3 is connected with the PWM regulating module, the S pole of the MOS tube V3 is connected with one end of the voltmeter V, and the other end of the voltmeter V is grounded.
5. The DC-DC boost power supply of claim 4, wherein the PWM adjusting module includes a resistor R6, a diode D2, a capacitor C4, a resistor R7, a resistor R8, a diode D3, a diode D4, a potentiometer RP1, a capacitor C5, a timer U1, and a capacitor C6, the timer U1 is a 555 timer, one end of the resistor R6 is connected to the power supply module, the other end of the resistor R6 is connected to the negative pole of the diode D2, one end of the capacitor C4, one end of the resistor R7, pin 4 of the timer U1, pin 8 of the timer U1, the positive pole of the diode D2 is grounded, the other end of the resistor C4 is connected to pin 7 of the timer U1, one end of the resistor R8, the negative pole of the diode D4 is connected to the positive pole of the diode D3, the negative pole of the diode D3 is connected to the other end of the potentiometer RP1, the sliding end of the potentiometer RP1 is connected to pin 5 of the capacitor C1, pin U1 is connected to pin 5 of the timer U1, pin 5 is connected to the positive pole of the timer U1, and pin 5 is grounded, pin 1 is connected to pin 1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702802.8U CN220022629U (en) | 2023-07-01 | 2023-07-01 | DC-DC boosting power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702802.8U CN220022629U (en) | 2023-07-01 | 2023-07-01 | DC-DC boosting power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220022629U true CN220022629U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321702802.8U Active CN220022629U (en) | 2023-07-01 | 2023-07-01 | DC-DC boosting power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220022629U (en) |
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2023
- 2023-07-01 CN CN202321702802.8U patent/CN220022629U/en active Active
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