CN206559249U

CN206559249U - A kind of high-power adjustable voltage-stabilized source

Info

Publication number: CN206559249U
Application number: CN201621211645.0U
Authority: CN
Inventors: 李文龙; 李百宇
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2017-10-13
Anticipated expiration: 2026-11-10

Abstract

The utility model discloses a kind of high-power adjustable voltage-stabilized source, including transformer W, potentiometer RP1, rectifier bridge T and electric capacity C2, C3, the connection bidirectional thyristor Q1 of port 4 of a rectifier bridge T main electrode and load A, load A other end connection 220V alternating currents, rectifier bridge T the connection connection of port 1 electric capacity C2 and inductance L1, inductance L1 other end connection electric capacity C3 and resistance R1.The high-power adjustable voltage-stabilized source of the utility model is simple in construction, component is few, constituted using simple electronic component, and harmonic rejection module is added in circuit, simultaneously circuit can easily adjust the voltage of load, therefore there is strong interference immunity, it is vdiverse in function and easy to use.

Description

A kind of high-power adjustable voltage-stabilized source

Technical field

The utility model is related to a kind of power supply, specifically a kind of high-power adjustable voltage-stabilized source.

Background technology

With the continuous improvement of people's living standards, electronic equipment has become a part essential in life, especially It is that life, work that various household electrical appliance give people bring great convenience, and this kind of electronic installation has required an essence The power supply that degree is higher, performance is stable.The power type of existing market is various, and its mid and low-end products is especially more, although low-end product With respect to the advantage that high-end product has price, but quality often complies with one's wishes not to the utmost, common voltage-stabilized power supply exist function it is single, The defects such as anti-interference is poor, debugging maintenance difficult, therefore need to be improved.

Utility model content

The purpose of this utility model is to provide a kind of high-power adjustable voltage-stabilized source, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides following technical scheme：

A kind of high-power adjustable voltage-stabilized source, including transformer W, potentiometer RP1, rectifier bridge T and electric capacity C1, it is described The rectifier bridge T connection bidirectional thyristor Q1 of port 4 main electrode and load A, load A other end connection 220V exchanges Electricity, the rectifier bridge T connection of port 1 electric capacity C2 and inductance L1, wherein electric capacity C2 capacitance is 10 μ F, and inductance L1 inductance value is 100mH, inductance L1 other end connection electric capacity C3 and resistance R1, wherein electric capacity C3 capacitance is 2.2 μ F, resistance R1 resistance For 10K Ω, the resistance R1 other end connects the first base stage of diode D1 negative electrode, potentiometer RP1 and unidirectional thyristor Q1, its Middle potentiometer RP1 maximum value is 20K Ω, the electric capacity C2 other end connection electric capacity C3 other end, electric capacity C1, diode D1 Anode, transformer W winding N1 and rectifier bridge T port 3, wherein electric capacity C1 capacitance be 0.1 μ F, potentiometer RP1's is another One end connects electric capacity C1 and unijunction transistor V1 emitter stage, unijunction transistor V1 the second base stage connection transformer W winding The N1 other end, transformer W winding N2 one end connection bidirectional thyristor Q1 control pole, transformer W winding N2's is another One end connection bidirectional thyristor Q1 another main electrode and the other end of 220V alternating currents.

It is used as preferred scheme of the present utility model：The diode D1 is voltage-regulator diode.

Compared with prior art, the beneficial effects of the utility model are：The high-power adjustable stabilized voltage supply electricity of the utility model Line structure is simple, component is few, is constituted using simple electronic component, and adds harmonic rejection module in circuit, together When circuit can easily adjust the voltage of load, therefore there is strong interference immunity, it is vdiverse in function and easy to use.

Brief description of the drawings

Fig. 1 is the circuit diagram of high-power adjustable voltage-stabilized source.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, a kind of high-power adjustable voltage-stabilized source, including transformer W, potentiometer RP1, rectifier bridge T and Electric capacity C1, the rectifier bridge T connection bidirectional thyristor Q1 of port 4 main electrode and load A, the load A other end connect 220V alternating currents are connect, rectifier bridge T port 1 connects electric capacity C2 and inductance L1, and wherein electric capacity C2 capacitance is 10 μ F, inductance L1 Inductance value be 100mH, inductance L1 the other end connection electric capacity C3 and resistance R1, wherein electric capacity C3 capacitance be 2.2 μ F, electricity The resistance for hindering R1 is 10K Ω, and the resistance R1 other end connects diode D1 negative electrode, potentiometer RP1 and unidirectional thyristor Q1 First base stage, wherein potentiometer RP1 maximum value are 20K Ω, the electric capacity C2 other end connection electric capacity C3 other end, electric capacity C1, diode D1 anode, transformer W winding N1 and rectifier bridge T port 3, wherein electric capacity C1 capacitance are 0.1 μ F, electricity The position device RP1 other end connects electric capacity C1 and unijunction transistor V1 emitter stage, and unijunction transistor V1 the second base stage connection becomes The depressor W winding N1 other end, transformer W winding N2 one end connection bidirectional thyristor Q1 control pole, transformer W Winding N2 other end connection bidirectional thyristor Q1 another main electrode and the other end of 220V alternating currents.Diode D1 is Voltage-regulator diode.

Operation principle of the present utility model is：220V line voltages enter in rectifier bridge T after overload A carries out rectification, During the voltage exported from rectifier bridge T port 1 enters the pi type filter being made up of electric capacity C2, inductance L1 and electric capacity C3, it can disappear Except the harmonic wave interference in line voltage, resistance R1 is dropping resistor, and diode D1 is the single-crystal mass in voltage-regulator diode, circuit The relaxation oscillator of the elements such as pipe V1, potentiometer RP1 and electric capacity C1 composition, regulation potentiometer RP1 value can change single crystals The body pipe V1 angle of flow, so as to change transformer W secondary end output voltage, reaches the angle of flow for changing bidirectional thyristor Q1 Purpose, and then realize the lasting adjustable of voltage.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims

1. a kind of high-power adjustable voltage-stabilized source, including transformer W, potentiometer RP1, rectifier bridge T and electric capacity C1, its feature It is, the connection bidirectional thyristor Q1 of port 4 of a rectifier bridge T main electrode and load A, load A other end connection 220V alternating currents, the rectifier bridge T connection of port 1 electric capacity C2 and inductance L1, wherein electric capacity C2 capacitance is 10 μ F, inductance L1 electricity Inductance value is 100mH, inductance L1 other end connection electric capacity C3 and resistance R1, and wherein electric capacity C3 capacitance is 2.2 μ F, resistance R1's Resistance is 10K Ω, and the resistance R1 other end connects the first base of diode D1 negative electrode, potentiometer RP1 and unidirectional thyristor Q1 Pole, wherein potentiometer RP1 maximum value are 20K Ω, and the electric capacity C2 other end connects the electric capacity C3 other end, electric capacity C1, two The port 3 of pole pipe D1 anode, transformer W winding N1 and rectifier bridge T, wherein electric capacity C1 capacitance are 0.1 μ F, potentiometer The RP1 other end connects electric capacity C1 and unijunction transistor V1 emitter stage, unijunction transistor V1 the second base stage connection transformer W Winding N1 the other end, transformer W winding N2 one end connection bidirectional thyristor Q1 control pole, transformer W winding N2 other end connection bidirectional thyristor Q1 another main electrode and the other end of 220V alternating currents.

2. a kind of high-power adjustable voltage-stabilized source according to claim 1, it is characterised in that the diode D1 is Voltage-regulator diode.