CN218335337U - Bidirectional thyristor voltage regulating circuit - Google Patents
Bidirectional thyristor voltage regulating circuit Download PDFInfo
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- CN218335337U CN218335337U CN202221325941.9U CN202221325941U CN218335337U CN 218335337 U CN218335337 U CN 218335337U CN 202221325941 U CN202221325941 U CN 202221325941U CN 218335337 U CN218335337 U CN 218335337U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 32
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims description 33
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model discloses a bidirectional thyristor voltage regulating circuit relates to the voltage control field, and this bidirectional thyristor voltage regulating circuit includes: the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification module and the voltage regulation module; the voltage reduction and rectification module is used for reducing the voltage of the 220V alternating current, rectifying the voltage and outputting the rectified voltage to the filtering module and the voltage regulation module; the voltage regulating module is used for regulating the working voltage of the load working module; the filtering module is used for filtering the voltage input by the voltage reduction rectifying module; mode selection module for the mode of control load work module compares with prior art, the beneficial effects of the utility model are that: the utility model discloses a mode selection module selects constant voltage mode of operation or voltage regulation mode, and the operating voltage of constant voltage mode of operation control load is 220V, and the on-time of bidirectional thyristor is controlled through the voltage regulation module to the voltage regulation mode to this operating voltage who adjusts the load.
Description
Technical Field
The utility model relates to a voltage control field specifically is a bidirectional thyristor voltage regulating circuit.
Background
With the development of society, daily household appliances produced in other countries can be purchased at present, but because daily power supply of each country is different and is as low as 100V alternating current, if the household appliances with the rated working voltage of 100V alternating current work under the supply of 220V alternating current, the household appliances are damaged, and for the reasons, the existing voltage supply needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bidirectional thyristor voltage regulating circuit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a triac voltage regulation circuit comprising:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification module and the voltage regulation module;
the voltage reduction and rectification module is used for reducing the voltage of the 220V alternating current, rectifying the voltage and outputting the rectified voltage to the filtering module and the voltage regulation module;
the voltage regulating module is used for regulating the working voltage of the load working module;
the filtering module is used for filtering the voltage input by the voltage reduction rectification module;
the mode selection module is used for controlling the working mode of the load working module to be a constant voltage working mode or a voltage regulation mode;
the load working module is used for loading to obtain electricity for working;
the commercial power supply module is connected with the voltage-reducing rectifying module and the load working module, the voltage-reducing rectifying module is connected with the filtering module and the voltage regulating module, the filtering module is connected with the mode selection module, the mode selection module is connected with the load working module, and the voltage regulating module is connected with the load working module.
As a further aspect of the present invention: the filtering module comprises a capacitor C1, a capacitor C2 and an inductor L1, one end of the capacitor C1 is connected with one end of the output end of the inductor L1 and one end of the output end of the voltage-reducing rectifying module, the other end of the capacitor C1 is connected with the other end of the output end of the voltage-reducing rectifying module and the capacitor C2, and the other end of the inductor L1 is connected with the other end of the capacitor C2 and the mode selection module.
As the utility model discloses further scheme again: the mode selection module includes switch S3, interface A, interface B, interface C, diode D1, switch S3B, relay J2, diode D2, switch S2B, relay J3, the filtering module is connected to switch S3 'S one end, interface A/interface B/interface C is connected to switch S3' S the other end, interface B is unsettled, diode D2 'S positive pole is connected to interface A' S the other end, diode D2 'S negative pole linked switch S2B, relay J3 is connected to switch S2B' S the other end, relay J3 'S other end ground connection, diode D1' S positive pole is connected to interface C 'S the other end, diode D1' S negative pole linked switch S3B, relay J2 is connected to switch S3B 'S the other end, relay J2' S the other end ground connection.
As the utility model discloses further scheme again: the voltage regulation module comprises a resistor R1, a resistor R2, a resistor R3, a potentiometer RP1, a potentiometer RP2, a bipolar diode V1 and a capacitor C3, wherein one end of the resistor R1 is connected with the step-down rectification module, the other end of the resistor R1 is connected with the resistor R2 and the resistor R3, the other end of the resistor R2 is connected with the B2 end of the bipolar diode V1, the B1 end of the bipolar diode V1 is connected with the load working module, the E end of the bipolar diode V1 is connected with the capacitor C3 and the potentiometer RP2, the other end of the capacitor C3 is grounded, the other end of the potentiometer RP2 is connected with the potentiometer RP1, and the other end of the potentiometer RP1 is connected with the other end of the resistor R3.
As a further aspect of the present invention: load work module includes switch S3A, switch S2A, bidirectional thyristor Z1, load X, the commercial power supply mould includes live wire L soon, zero line N, switch S3A ' S one end linked switch S2A, live wire L, bidirectional thyristor Z1 ' S T1 end is connected to switch S3A ' S the other end, voltage regulation module is connected to bidirectional thyristor Z1 ' S G end, bidirectional thyristor Z1 ' S T2 end linked switch S2A ' S the other end, load X, zero line N is connected to load X ' S the other end.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a mode selection module selects constant voltage mode of operation or voltage regulation mode, and the operating voltage of constant voltage mode of operation control load is 220V, and the on-time of bidirectional thyristor is controlled through the voltage regulation module to the voltage regulation mode to this operating voltage who adjusts the load.
Drawings
Fig. 1 is a schematic diagram of a triac voltage regulator circuit.
Fig. 2 is a circuit diagram of a triac voltage regulator circuit.
Fig. 3 is a schematic structural diagram 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.
Referring to fig. 1, a triac voltage regulating circuit includes:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification module and the voltage regulation module;
the voltage reduction and rectification module is used for reducing the voltage of the 220V alternating current, rectifying the voltage and outputting the rectified voltage to the filtering module and the voltage regulation module;
the voltage regulating module is used for regulating the working voltage of the load working module;
the filtering module is used for filtering the voltage input by the voltage reduction rectifying module;
the mode selection module is used for controlling the working mode of the load working module to be a constant voltage working mode or a voltage regulation mode;
the load working module is used for the load to be powered on for working;
the commercial power supply module is connected with the voltage-reducing rectifying module and the load working module, the voltage-reducing rectifying module is connected with the filtering module and the voltage regulating module, the filtering module is connected with the mode selection module, the mode selection module is connected with the load working module, and the voltage regulating module is connected with the load working module.
In a specific embodiment: referring to fig. 2 and 3, the commercial power module is connected to a live line L and a zero line N through a two-hole plug to supply 220V ac power, and the step-down rectifier module performs step-down through a transformer W and performs rectification through a rectifier T, wherein the rectifier T is a bridge rectifier circuit including four diodes.
In this embodiment: referring to fig. 2, the filtering module includes a capacitor C1, a capacitor C2, and an inductor L1, one end of the capacitor C1 is connected to the inductor L1 and one end of the output end of the step-down rectification module, the other end of the capacitor C1 is connected to the other end of the output end of the step-down rectification module and the capacitor C2, and the other end of the inductor L1 is connected to the other end of the capacitor C2 and the mode selection module.
The capacitor C1, the capacitor C2 and the inductor L1 are charged and discharged so as to convert the periodic half sine wave into stable direct current.
In this embodiment: please refer to fig. 2, the mode selection module includes a switch S3, an interface a, an interface B, an interface C, a diode D1, a switch S3B, a relay J2, a diode D2, a switch S2B, a relay J3, a filter module is connected to one end of the switch S3, an interface a/an interface B/an interface C is connected to the other end of the switch S3, the interface B is suspended, the other end of the interface a is connected to the anode of the diode D2, the cathode of the diode D2 is connected to the switch S2B, the other end of the switch S2B is connected to the relay J3, the other end of the relay J3 is grounded, the other end of the interface C is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the switch S3B, the other end of the switch S3B is connected to the relay J2, and the other end of the relay J2 is grounded.
When the relay J2 works, the switch S2A is closed, the switch S2B is bounced open, when the relay J2 does not work, the switch S2A is bounced open, and the switch S2B is closed; when the relay J3 works, the switch S3A is closed, the switch S3B is bounced open, when the relay J3 does not work, the switch S3A is bounced open, and the switch S3B is closed;
when the switch S3 is connected to the interface B at the beginning, when the used electric appliance is at a rated voltage of 220V, the switch S3 is connected to the interface C, at the moment, the relay J2 works, and the load X works under 220V alternating current; a constant pressure operating mode;
when the rated voltage of the used electric appliance is lower than 220V, the switch S3 is connected to the interface A, the relay J3 works, the load X is connected to the voltage through the bidirectional thyristor Z1, the conduction time of the bidirectional thyristor Z1 is adjusted through the voltage adjusting module, and the working voltage of the load X is changed. Voltage regulation mode.
In this embodiment: referring to fig. 2, the voltage regulation module includes a resistor R1, a resistor R2, a resistor R3, a potentiometer RP1, a potentiometer RP2, a bipolar diode V1, and a capacitor C3, one end of the resistor R1 is connected to the step-down rectification module, the other end of the resistor R1 is connected to the resistor R2 and the resistor R3, the other end of the resistor R2 is connected to the B2 end of the bipolar diode V1, the B1 end of the bipolar diode V1 is connected to the load working module, the E end of the bipolar diode V1 is connected to the capacitor C3 and the potentiometer RP2, the other end of the capacitor C3 is grounded, the other end of the potentiometer RP2 is connected to the potentiometer RP1, and the other end of the potentiometer RP1 is connected to the other end of the resistor R3.
Under the voltage regulation mode, the voltage output by the voltage reduction rectification module is a half sine wave, when a capacitor C3 is charged to a high level, a bipolar diode V1 is conducted, the bipolar diode V1 is conducted, no voltage flows into the capacitor C3 through a resistor R3, a potentiometer RP1 and a potentiometer RP2, the voltage supplies a pulse signal to a G end of the bidirectional thyristor Z1 through the bipolar diode V1 (the capacitor C3 is also discharged), the bidirectional thyristor Z1 is conducted, and the bidirectional thyristor Z1 works in alternating current, so that the bidirectional thyristor Z1 can be cut off quickly, after the pulse signal is supplied, the voltage regulation module works again, the pulse signal is supplied again, and therefore, the frequency of the pulse signal output to the bidirectional thyristor Z1 is changed by controlling the charging speed of the capacitor C3, the conduction time of the bidirectional thyristor Z1 is changed, and the working voltage of a load X is changed.
In this embodiment: referring to fig. 2, the load working module includes a switch S3A, a switch S2A, a triac Z1, and a load X, the mains supply module includes a live wire L and a zero line N, one end of the switch S3A is connected to the switch S2A and the live wire L, the other end of the switch S3A is connected to the T1 end of the triac Z1, the G end of the triac Z1 is connected to the voltage regulation module, the T2 end of the triac Z1 is connected to the other end of the switch S2A and the load X, and the other end of the load X is connected to the zero line N.
When the switch S2A is closed and the switch S3A is opened, the load X works in a constant-voltage working mode; when the switch S3A is closed and the switch S2A is open, the load X operates in the voltage regulation mode.
The utility model discloses a theory of operation is: the mains supply module supplies 220V alternating current and outputs the alternating current to the voltage reduction rectifying module and the voltage regulating module, the 220V alternating current is rectified after being reduced in voltage by the voltage reduction rectifying module and is output to the filtering module and the voltage regulating module, the voltage regulating module regulates the working voltage of the load working module, the filtering module carries out filtering processing on the voltage input by the voltage reduction rectifying module, the mode selection module controls the working mode of the load working module, the working mode is a constant voltage working mode or a voltage regulating mode, and the load working module is charged to work.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (5)
1. A bidirectional thyristor voltage regulator circuit is characterized in that:
this bidirectional thyristor voltage regulating circuit includes:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification module and the voltage regulation module;
the voltage reduction and rectification module is used for reducing the voltage of the 220V alternating current, rectifying the voltage and outputting the rectified voltage to the filtering module and the voltage regulation module;
the voltage regulating module is used for regulating the working voltage of the load working module;
the filtering module is used for filtering the voltage input by the voltage reduction rectifying module;
the mode selection module is used for controlling the working mode of the load working module to be a constant voltage working mode or a voltage regulation mode;
the load working module is used for the load to be powered on for working;
the commercial power supply module is connected with the voltage-reducing rectifying module and the load working module, the voltage-reducing rectifying module is connected with the filtering module and the voltage regulating module, the filtering module is connected with the mode selection module, the mode selection module is connected with the load working module, and the voltage regulating module is connected with the load working module.
2. The triac voltage regulating circuit as claimed in claim 1, wherein the filtering module comprises a capacitor C1, a capacitor C2 and an inductor L1, one end of the capacitor C1 is connected to one end of the output terminal of the inductor L1 and one end of the output terminal of the buck rectifying module, the other end of the capacitor C1 is connected to the other end of the output terminal of the buck rectifying module and the capacitor C2, and the other end of the inductor L1 is connected to the other end of the capacitor C2 and the mode selection module.
3. The triac voltage regulating circuit according to claim 1, wherein the mode selection module comprises a switch S3, an interface a, an interface B, an interface C, a diode D1, a switch S3B, a relay J2, a diode D2, a switch S2B, a relay J3, one end of the switch S3 is connected with the filter module, the other end of the switch S3 is connected with the interface a/interface B/interface C, the interface B is suspended, the other end of the interface a is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the switch S2B, the other end of the switch S2B is connected with the relay J3, the other end of the relay J3 is grounded, the other end of the interface C is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the switch S3B, the other end of the switch S3B is connected with the relay J2, and the other end of the relay J2 is grounded.
4. The triac voltage regulating circuit according to claim 3, wherein the voltage regulating module comprises a resistor R1, a resistor R2, a resistor R3, a potentiometer RP1, a potentiometer RP2, a bipolar diode V1 and a capacitor C3, one end of the resistor R1 is connected with the step-down rectifying module, the other end of the resistor R1 is connected with the resistor R2 and the resistor R3, the other end of the resistor R2 is connected with the end B2 of the bipolar diode V1, the end B1 of the bipolar diode V1 is connected with the load working module, the end E of the bipolar diode V1 is connected with the capacitor C3 and the potentiometer RP2, the other end of the capacitor C3 is grounded, the other end of the potentiometer RP2 is connected with the potentiometer RP1, and the other end of the potentiometer RP1 is connected with the other end of the resistor R3.
5. The triac voltage regulating circuit according to claim 1, wherein the load operation module comprises a switch S3A, a switch S2A, a triac Z1 and a load X, the mains supply module comprises a live line L and a zero line N, one end of the switch S3A is connected with the switch S2A and the live line L, the other end of the switch S3A is connected with a T1 end of the triac Z1, a G end of the triac Z1 is connected with the voltage regulating module, a T2 end of the triac Z1 is connected with the other end of the switch S2A and the load X, and the other end of the load X is connected with the zero line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325941.9U CN218335337U (en) | 2022-05-30 | 2022-05-30 | Bidirectional thyristor voltage regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325941.9U CN218335337U (en) | 2022-05-30 | 2022-05-30 | Bidirectional thyristor voltage regulating circuit |
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| Publication Number | Publication Date |
|---|---|
| CN218335337U true CN218335337U (en) | 2023-01-17 |
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|---|---|---|---|
| CN202221325941.9U Active CN218335337U (en) | 2022-05-30 | 2022-05-30 | Bidirectional thyristor voltage regulating circuit |
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| CN (1) | CN218335337U (en) |
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- 2022-05-30 CN CN202221325941.9U patent/CN218335337U/en active Active
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