CN217741587U - AC voltage lifting and converting device - Google Patents
AC voltage lifting and converting device Download PDFInfo
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- CN217741587U CN217741587U CN202221560794.3U CN202221560794U CN217741587U CN 217741587 U CN217741587 U CN 217741587U CN 202221560794 U CN202221560794 U CN 202221560794U CN 217741587 U CN217741587 U CN 217741587U
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Abstract
The utility model discloses an alternating voltage lifting transformation device relates to the voltage processing field, and this alternating voltage lifting transformation device includes: the power supply module is used for supplying direct current and supplying power to the square wave regulating module and the voltage regulating module; the voltage regulating module is used for outputting adjustable direct current voltage and supplying the adjustable direct current voltage to the direct current-to-alternating current module; the square wave adjusting module is used for outputting square wave signals to the voltage adjusting module to adjust the voltage and outputting the square wave signals to the direct current-to-alternating current module to adjust the frequency of alternating current; the direct current-to-alternating current module is used for converting direct current into alternating current; the alternating current output module is used for outputting alternating current; compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a square wave adjusting module's output PWM signal changes the voltage size of voltage adjusting module output, changes the frequency that the direct current changes the alternating current of alternating current generation module to this alternating current that acquires the demand.
Description
Technical Field
The utility model relates to a voltage processing field specifically is an alternating voltage step-up and step-down converting device.
Background
Alternating current refers to current whose direction varies periodically with time, and the average current in one cycle is zero. Alternating current can efficiently transmit power.
Because the power consumption voltage of different countries is different, such as 120V in the united states and 220V in china, most of the middle east countries are 230V-240V, and the power supply voltage and frequency of different countries are different, the rated voltage of the corresponding electric appliance is different, and when the electric appliances of different countries are used, the work of the electric appliance is doubtful due to different power supply voltages, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating voltage step-up and step-down conversion equipment 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:
an ac voltage step-up/step-down converter comprising:
the power supply module is used for supplying direct current and supplying power to the square wave regulating module and the voltage regulating module;
the voltage regulating module is used for outputting adjustable direct current voltage and supplying the adjustable direct current voltage to the direct current-to-alternating current module;
the square wave adjusting module is used for outputting a square wave signal to the voltage adjusting module to adjust the voltage and outputting the square wave signal to the direct current-to-alternating current module to adjust the frequency of the alternating current;
the direct current-to-alternating current module is used for converting direct current into alternating current;
the alternating current output module is used for outputting alternating current;
the power supply module is connected with the voltage adjusting module and the square wave adjusting module, the square wave adjusting module is connected with the voltage adjusting module and the direct current-to-alternating current module, the voltage adjusting module is connected with the direct current-to-alternating current module, and the direct current-to-alternating current module is connected with the alternating current output module.
As the utility model discloses further scheme again: the square wave adjusting module comprises an amplifier U1, a resistor R2, a resistor R3, a resistor R4, a potentiometer RP1, a diode D2 and a diode D3, wherein the same-phase end of the amplifier U1 is connected with the power supply module, the resistor R1 and the resistor R2, the other end of the resistor R1 is grounded, the output end of the amplifier U1 is connected with the resistor R3, the other end of the resistor R3 is connected with the other end of the resistor R2, the sliding end of the potentiometer RP1, the voltage adjusting module and the direct current-to-current conversion module, one end of the potentiometer RP1 is connected with the anode of the diode D2, the other end of the potentiometer RP1 is connected with the cathode of the diode D3, the cathode of the diode D2 is connected with the anode of the diode D3 and the resistor R4, and the other end of the resistor R4 is connected with the capacitor C2 and the inverting end of the amplifier U1.
As the utility model discloses further scheme again: the voltage regulation module comprises an inductor L1, an MOS tube V1, a diode D1 and a capacitor C1, one end of the inductor L1 is connected with the power supply module, the other end of the inductor L1 is connected with a D pole of the MOS tube V1 and an anode of the diode D1, an S pole of the MOS tube V1 is grounded, a G pole of the MOS tube V1 is connected with the square wave regulation module, a cathode of the diode D1 is connected with the capacitor C1 and an alternating current-to-direct current electric module, and the other end of the capacitor C1 is grounded.
As the utility model discloses further scheme again: the direct current-to-alternating current module comprises an MOS tube V2, an MOS tube V3, an MOS tube V4, an MOS tube V5, a D pole of the MOS tube V2 is connected with a D pole of the MOS tube V4, a voltage regulation module, an S pole of the MOS tube V2 is connected with a D pole of the MOS tube V3, one end of the input end of an alternating current output module, an S pole of the MOS tube V3 is grounded, the S pole of the MOS tube V4 is connected with the D pole of the MOS tube V5, the other end of the input end of the alternating current output module, the S pole of the MOS tube V5 is grounded, a G pole of the MOS tube V2 is connected with a square wave regulation module, a G pole of the MOS tube V3 is connected with the square wave regulation module, a G pole of the MOS tube V4 is connected with the square wave regulation module, and a G pole of the MOS tube V5 is connected with the square wave regulation module.
As a further aspect of the present invention: the alternating current output module comprises a transformer W, the A end of the transformer W is connected with the S pole of the MOS tube V2, and the B end of the transformer W is connected with the S pole of the MOS tube V4.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a square wave regulation module's output PWM signal changes the voltage size of voltage regulation module output, changes the frequency that the alternating current was generated to the alternating current of direct current-to-alternating current module to this acquires the alternating current of demand.
Drawings
Fig. 1 is a schematic diagram of an ac voltage step-up and step-down converter.
Fig. 2 is a circuit diagram of an ac voltage step-up and step-down converter.
Fig. 3 is a circuit diagram of a square wave conditioning module.
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.
Referring to fig. 1, an ac voltage step-up/step-down converter includes:
the power supply module is used for supplying direct current and supplying power to the square wave regulating module and the voltage regulating module;
the voltage regulating module is used for outputting adjustable direct current voltage and supplying the adjustable direct current voltage to the direct current-to-alternating current module;
the square wave adjusting module is used for outputting square wave signals to the voltage adjusting module to adjust the voltage and outputting the square wave signals to the direct current-to-alternating current module to adjust the frequency of alternating current;
the direct current-to-alternating current module is used for converting direct current into alternating current;
the alternating current output module is used for outputting alternating current;
the power supply module is connected with the voltage adjusting module and the square wave adjusting module, the square wave adjusting module is connected with the voltage adjusting module and the direct current-to-alternating current module, the voltage adjusting module is connected with the direct current-to-alternating current module, and the direct current-to-alternating current module is connected with the alternating current output module.
In a specific embodiment: the power supply supplied by the power supply module can be obtained after voltage reduction, rectification and filtering are carried out on the mains supply, so that the constancy of the power supply is ensured.
In this embodiment: referring to fig. 3, the square wave adjusting module includes an amplifier U1, a resistor R2, a resistor R3, a resistor R4, a potentiometer RP1, a diode D2, and a diode D3, wherein a non-inverting terminal of the amplifier U1 is connected to the power supply module, the resistor R1, and the resistor R2, the other terminal of the resistor R1 is grounded, an output terminal of the amplifier U1 is connected to the resistor R3, the other terminal of the resistor R3 is connected to the other terminal of the resistor R2, a sliding terminal of the potentiometer RP1, the voltage adjusting module, and the dc-to-ac module, one terminal of the potentiometer RP1 is connected to a positive terminal of the diode D2, the other terminal of the potentiometer RP1 is connected to a negative terminal of the diode D3, a negative terminal of the diode D2 is connected to a positive terminal of the diode D3, the resistor R4, and the other terminal of the resistor R4 is connected to the capacitor C2 and an inverting terminal of the amplifier U1.
The power supply module is the same-phase end input voltage of the amplifier U1, so that the amplifier U1 outputs a high level, the capacitor C2 is charged through the potentiometer RP1, the diode D2 and the resistor R4, when the capacitor C2 becomes the high level, the amplifier U1 outputs a low level, the capacitor C2 discharges through the resistor R4, the diode D3, the potentiometer RP1, the resistor R2 and the resistor R1, and the amplifier U1 outputs a PWM signal through the charging and discharging of the capacitor C2. Fig. 2 is only used for describing the principle, and a plurality of square wave adjusting modules are arranged in actual production.
In this embodiment: referring to fig. 2, the voltage regulation module includes an inductor L1, an MOS transistor V1, a diode D1, and a capacitor C1, one end of the inductor L1 is connected to the power supply module, the other end of the inductor L1 is connected to a D pole of the MOS transistor V1 and an anode of the diode D1, an S pole of the MOS transistor V1 is grounded, a G pole of the MOS transistor V1 is connected to the square wave regulation module, a cathode of the diode D1 is connected to the capacitor C1 and the ac-to-dc module, and the other end of the capacitor C1 is grounded.
When the MOS transistor V1 is switched on, the inductor L1 stores electric energy, and the current on the inductor does not suddenly change, so that when the MOS transistor V1 is switched off, the electric energy stored on the inductor L1 is output to the capacitor C1 through the diode D1, and the voltage on the capacitor C1 is higher than the input voltage of the power supply module. The direct current voltage output to the direct current-to-alternating current module is adjusted by adjusting the conduction frequency of the MOS tube V1.
In this embodiment: referring to fig. 2, the dc-ac module includes a MOS transistor V2, a MOS transistor V3, a MOS transistor V4, and a MOS transistor V5, a D pole of the MOS transistor V2 is connected to a D pole of the MOS transistor V4, a voltage regulation module, an S pole of the MOS transistor V2 is connected to a D pole of the MOS transistor V3, one end of an input end of the ac output module, an S pole of the MOS transistor V3 is grounded, an S pole of the MOS transistor V4 is connected to a D pole of the MOS transistor V5, the other end of the input end of the ac output module, an S pole of the MOS transistor V5 is grounded, a G pole of the MOS transistor V2 is connected to a square wave regulation module, a G pole of the MOS transistor V3 is connected to a square wave regulation module, a G pole of the MOS transistor V4 is connected to a square wave regulation module, and a G pole of the MOS transistor V5 is connected to a square wave regulation module.
When the MOS tubes V2 and V5 are conducted and the MOS tubes V3 and V4 are cut off, the direct current from A to B (from top to bottom) is input to the transformer W; when the MOS transistors V2 and V5 are turned off and the MOS transistors V3 and V4 are turned on, a dc power from B to a (down to up) is input to the transformer W. And the conduction frequency of the MOS tube is changed by adjusting the PWM1 and the PWM2, so that the generated alternating current frequency is changed.
In this embodiment: referring to fig. 2, the ac output module includes a transformer W, an a terminal of the transformer W is connected to an S pole of the MOS transistor V2, and a B terminal of the transformer W is connected to an S pole of the MOS transistor V4.
The input alternating current is amplified by a coil ratio of the input side and the output side of the transformer W and then output, and the required alternating current is obtained.
The utility model discloses a theory of operation is: the power supply module supplies direct current to supply power for the square wave regulating module and the voltage regulating module, the voltage regulating module outputs adjustable direct current voltage to supply the direct current to the alternating current module, the square wave regulating module outputs square wave signals to supply the voltage regulating module to regulate the voltage, the square wave signals are output to the direct current to alternating current module to regulate the frequency of alternating current, the direct current to alternating current module converts the direct current into alternating current, and the alternating current output module outputs the alternating current.
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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (5)
1. An ac voltage step-up/step-down converter, comprising:
the AC voltage step-up/step-down converter includes:
the power supply module is used for supplying direct current and supplying power to the square wave regulating module and the voltage regulating module;
the voltage regulating module is used for outputting adjustable direct current voltage and supplying the adjustable direct current voltage to the direct current-to-alternating current module;
the square wave adjusting module is used for outputting square wave signals to the voltage adjusting module to adjust the voltage and outputting the square wave signals to the direct current-to-alternating current module to adjust the frequency of alternating current;
the direct current-to-alternating current module is used for converting direct current into alternating current;
the alternating current output module is used for outputting alternating current;
the power supply module is connected with the voltage adjusting module and the square wave adjusting module, the square wave adjusting module is connected with the voltage adjusting module and the direct current-to-alternating current module, the voltage adjusting module is connected with the direct current-to-alternating current module, and the direct current-to-alternating current module is connected with the alternating current output module.
2. The ac voltage step-up and step-down converter according to claim 1, wherein the square wave adjusting module comprises an amplifier U1, a resistor R2, a resistor R3, a resistor R4, a potentiometer RP1, a diode D2, and a diode D3, the non-inverting terminal of the amplifier U1 is connected to the power supply module, the resistor R1, and the resistor R2, the other terminal of the resistor R1 is grounded, the output terminal of the amplifier U1 is connected to the resistor R3, the other terminal of the resistor R3 is connected to the other terminal of the resistor R2, the sliding terminal of the potentiometer RP1, the voltage adjusting module, and the dc-to-ac module, one terminal of the potentiometer RP1 is connected to the positive terminal of the diode D2, the other terminal of the potentiometer RP1 is connected to the negative terminal of the diode D3, the negative terminal of the diode D2 is connected to the positive terminal of the diode D3, the resistor R4, and the other terminal of the resistor R4 is connected to the capacitor C2 and the inverting terminal of the amplifier U1.
3. The ac voltage step-up and step-down converter according to claim 1, wherein the voltage regulation module comprises an inductor L1, a MOS transistor V1, a diode D1, and a capacitor C1, one end of the inductor L1 is connected to the power supply module, the other end of the inductor L1 is connected to a D pole of the MOS transistor V1 and an anode of the diode D1, an S pole of the MOS transistor V1 is grounded, a G pole of the MOS transistor V1 is connected to the square wave regulation module, a cathode of the diode D1 is connected to the capacitor C1 and the ac-to-dc module, and the other end of the capacitor C1 is grounded.
4. The ac voltage step-up and step-down converter according to claim 1, wherein the dc-to-ac converter comprises a MOS transistor V2, a MOS transistor V3, a MOS transistor V4, and a MOS transistor V5, a D-pole of the MOS transistor V2 is connected to a D-pole of the MOS transistor V4 and the voltage regulation module, an S-pole of the MOS transistor V2 is connected to a D-pole of the MOS transistor V3 and one end of the input end of the ac output module, an S-pole of the MOS transistor V3 is grounded, an S-pole of the MOS transistor V4 is connected to a D-pole of the MOS transistor V5 and the other end of the input end of the ac output module, an S-pole of the MOS transistor V5 is grounded, a G-pole of the MOS transistor V2 is connected to the square wave regulation module, a G-pole of the MOS transistor V3 is connected to the square wave regulation module, a G-pole of the MOS transistor V4 is connected to the square wave regulation module, and a G-pole of the MOS transistor V5 is connected to the square wave regulation module.
5. The ac voltage step-up and step-down converter according to claim 4, wherein the ac output module comprises a transformer W, the a terminal of the transformer W is connected to the S terminal of the MOS transistor V2, and the B terminal of the transformer W is connected to the S terminal of the MOS transistor V4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560794.3U CN217741587U (en) | 2022-06-21 | 2022-06-21 | AC voltage lifting and converting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560794.3U CN217741587U (en) | 2022-06-21 | 2022-06-21 | AC voltage lifting and converting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217741587U true CN217741587U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221560794.3U Active CN217741587U (en) | 2022-06-21 | 2022-06-21 | AC voltage lifting and converting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217741587U (en) |
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2022
- 2022-06-21 CN CN202221560794.3U patent/CN217741587U/en active Active
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