CN107659180A - A kind of thyristor type voltage regulation type decompression rectification power circuit - Google Patents
A kind of thyristor type voltage regulation type decompression rectification power circuit Download PDFInfo
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- CN107659180A CN107659180A CN201711020075.6A CN201711020075A CN107659180A CN 107659180 A CN107659180 A CN 107659180A CN 201711020075 A CN201711020075 A CN 201711020075A CN 107659180 A CN107659180 A CN 107659180A
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- electric capacity
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- diode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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Abstract
The invention discloses a kind of thyristor type voltage regulation type decompression rectification power circuit, it is characterised in that：Mainly it is made up of preposition constant-current source circuit, three terminal regulator U, triode VT1, triode VT2, IGCT VS, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode D3 and voltage-regulator diode D4.The present invention's is relatively simple for structure, can be easy to maintenance and inspection, and can reduce cost；The circuit of the present invention is stable, good reliability, while can also carry out step-down rectifier processing to 220V civil power, in order to provide suitable working power for small household electrical appliance, is adapted to promote the use.
Description
Technical field
The present invention relates to a kind of power circuit, more particularly to a kind of thyristor type voltage regulation type decompression rectification power circuit.
Background technology
With the development of science and technology, electronic technology is able to fast development, and electronics categories are increasingly abundanter, various each
The electronic product of sample enters the family of common people so that daily life also be unable to do without electronic product.Use at present
Small household appliances using when need to carry out step-down rectifier processing to the 220V power supplys of domestic power mostly, and the decompression used at present is whole
Flow type power supply circuit is provided with transformer mostly so that power circuit is not only complicated but also cost is higher, therefore is unfavorable for
The application and popularizations of small household electrical appliance.
The content of the invention
It is existing to simplify it is an object of the invention to provide a kind of thyristor type voltage regulation type decompression rectification power circuit
The structure of the power circuit of transformer is set, in order to maintenance and inspection and reduces cost.
The present invention is achieved through the following technical solutions：
A kind of thyristor type voltage regulation type decompression rectification power circuit, mainly by preposition constant-current source circuit, three terminal regulator U,
Triode VT1, triode VT2, positive pole is connected after resistance R2 with triode VT1 colelctor electrode, negative pole and triode VT2
Electric capacity C1, the P pole that colelctor electrode is connected is connected after resistance R3 with triode VT1 base stage, N poles after resistance R1 with electric capacity
The diode D2 that C1 positive pole is connected, positive pole is connected with electric capacity C1 positive pole, negative pole is connected with diode D1 N poles
Electric capacity C2, the resistance R2 being serially connected between electric capacity C2 positive pole and triode VT1 colelctor electrode, it is serially connected in triode VT1 collection
Resistance R4, P pole between electrode and triode VT2 base stage is connected with electric capacity C1 negative pole, N poles and triode VT1 hair
The diode D1 that emitter-base bandgap grading is connected, the resistance R5 being serially connected between diode D2 P poles and triode VT2 colelctor electrode, negative electrode
It is connected with diode D1 P poles, anode is connected with triode VT1 emitter stage, adjustable side is extremely connected with diode D2 P
The IGCT VS connect, positive pole is connected with diode D2 P poles, negative pole is connected with electric capacity C1 negative pole electric capacity C4, P pole with
The diode D3 that electric capacity C2 negative pole is connected, N poles are connected with triode VT2 emitter stage, the collection of positive pole and triode VT2
The electric capacity C4 that electrode is connected, negative pole is connected with electric capacity C1 negative pole, electric capacity C4 positive pole is serially connected in three terminal regulator U's
Resistance R6 between GND pins, positive pole is connected with three terminal regulator U VOUT pins, negative pole and triode VT2 colelctor electrode
The electric capacity C5 being connected, and positive pole is connected after voltage-regulator diode D4 with three terminal regulator U VOUT pins, negative pole with electricity
Hold the electric capacity C6 compositions that C1 negative pole is connected；The P poles of the voltage-regulator diode D4 are connected with three terminal regulator U VOUT pins
Connect, N poles are connected with electric capacity C6 positive pole, the emitter stage of the triode VT2 is connected with three terminal regulator U VIN pins,
The positive pole of the electric capacity C6 forms the output end of whole power circuit with negative pole；
The preposition constant-current source circuit is by operational amplifier P, triode VT3, positive pole after resistance R7 with operational amplifier P
Negative input be connected, the electric capacity C8 that negative pole is connected after resistance R11 with triode VT3 base stage, positive pole and electric capacity
The electric capacity C7 that C8 negative pole collectively constitutes power input, negative pole is connected with electric capacity C8 positive pole, is serially connected in operational amplifier P
Electrode input end and output end between resistance R8, be serially connected between operational amplifier P output end and electric capacity C1 positive pole
Resistance R9, be serially connected in operational amplifier P output end and resistance R10 that triode VT3 emitter stage is connected, and positive pole
It is connected with triode VT3 emitter stage, the electric capacity C9 compositions that negative pole is connected with electric capacity C1 negative pole；The triode VT3
Grounded collector.
Further, the triode VT1~VT3 is 3CG15 type triodes.
Further, the operational amplifier P is LM358 single supply general-purpose operation amplifiers.
Further, the diode D1~D3 is 1N4007 type diodes, and the voltage-regulator diode D3 is
2CW110 type voltage-regulator diodes.
In order to ensure effect, the IGCT VS is MCR100-6 type IGCTs, and the three terminal regulator U is 7809 types three
Hold voltage-stablizer.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention's is relatively simple for structure, can be easy to maintenance and inspection, and can reduce cost；The circuit operation of the present invention
It is stable, good reliability, while step-down rectifier processing can also be carried out to 220V civil power, in order to be provided properly for small household electrical appliance
Working power.
(2) three terminal regulator U of the invention and resistance R6, electric capacity C4, electric capacity C5 and voltage-regulator diode D4 form one
Easy voltage-stablizer, so as to carry out voltage stabilizing processing to the power supply after step-down rectifier, its voltage regulation result compares steady using one
Press the mode of diode well a lot, so as to ensure load appliance to provide more stable power supply.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the overall structure diagram of the preposition constant-current source circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment
As shown in Figure 1, 2, thyristor type voltage regulation type decompression rectification power circuit of the invention, mainly by preposition constant-current source electricity
Road, three terminal regulator U, triode VT1, triode VT2, IGCT VS, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity
C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode
D3 and voltage-regulator diode D4 compositions.Wherein, the resistance R1 is 1.2M Ω, and the resistance R2 and resistance R3 are 150K Ω,
Resistance R4 and resistance R5 is 120K Ω, and the resistance R6 is 100K Ω.It is described meanwhile the capacitance of the electric capacity C1 is 100 μ F
Electric capacity C2 capacitance is that the capacitance that 0.68 μ F, electric capacity C3~C5 capacitance is 200 μ F, the electric capacity C6 is 70 μ F.For
Ensure the practical effect of the present invention, during implementation, the triode VT1 and triode VT2 uses 3CG15 type triodes
To realize, the diode D1 and diode D2 is realized using 1N4007 types diode, and the voltage-regulator diode D3 is then adopted
Realized with 2CW110 types voltage-regulator diode.The IGCT VS is unidirectional thyristor, and the unidirectional thyristor uses MCR100-6
Type IGCT is realized.The three terminal regulator U is then realized using 7809 type three terminal regulators.
During connection, the colelctor electrode of the positive pole of the electric capacity C1 with triode VT1 after resistance R2 is connected, its negative pole and three
Pole pipe VT2 colelctor electrode is connected.Base stage of the P poles of the diode D2 with triode VT1 after resistance R3 is connected, its N
Positive pole of the pole with electric capacity C1 after resistance R1 is connected.The positive pole of the electric capacity C2 is connected with electric capacity C1 positive pole, its negative pole
It is connected with diode D1 N poles.The resistance R2 is serially connected between electric capacity C2 positive pole and triode VT1 colelctor electrode, institute
Resistance R4 is stated to be serially connected between triode VT1 colelctor electrode and triode VT2 base stage.The P poles of the diode D1 and electric capacity
C1 negative pole is connected, and its N pole is connected with triode VT1 emitter stage.The resistance R5 be serially connected in diode D2 P poles with
Between triode VT2 colelctor electrode.The negative electrode of the IGCT VS is connected with diode D1 P poles, its anode and triode
VT1 emitter stage is connected, and its adjustable side is connected with diode D2 P poles.The positive pole of the electric capacity C4 and diode D2 P
Pole is connected, and its negative pole is connected with electric capacity C1 negative pole.The P poles of the diode D3 are connected with electric capacity C2 negative pole, its N
Pole is connected with triode VT2 emitter stage.The positive pole of the electric capacity C4 is connected with triode VT2 colelctor electrode, its negative pole
It is connected with electric capacity C1 negative pole.The resistance R6 is serially connected between electric capacity C4 positive pole and three terminal regulator U GND pins,
The positive pole of the electric capacity C5 is connected with three terminal regulator U VOUT pins, and its negative pole is connected with triode VT2 colelctor electrode
Connect.The positive pole of the electric capacity C6 is connected after voltage-regulator diode D4 with three terminal regulator U VOUT pins, its negative pole and electric capacity
C1 negative pole is connected.Meanwhile the P poles of the voltage-regulator diode D4 are connected with three terminal regulator U VOUT pins, its N pole
It is connected with electric capacity C6 positive pole；The emitter stage of the triode VT2 is connected with three terminal regulator U VIN pins.
As shown in Fig. 2 the preposition constant-current source circuit is by operational amplifier P, triode VT3, electric capacity C7, electric capacity C8, electricity
Hold C9, resistance R7, resistance R8, resistance R9, resistance R10 and resistance R11 composition.Wherein, the resistance R7 and resistance R9 and
Resistance R11 is 150K Ω, and the resistance R8 is 100K Ω, and resistance R10 is 80K Ω.Meanwhile the capacitance of the electric capacity C7 is 47
The capacitance that μ F, the electric capacity C8 capacitance are 200 μ F, the electric capacity C9 is 12 μ F.Imitated in order to ensure the actual use of the present invention
Fruit, during implementation, the triode VT3 is also realized using 3CG15 types triode, and the operational amplifier P is then mono- using LM358
Power supply general-purpose operation amplifier is realized.
During connection, the negative input of the positive pole of the electric capacity C8 with operational amplifier P after resistance R7 is connected, and it is negative
Base stage of the pole with triode VT3 after resistance R11 is connected.The positive pole of the electric capacity C7 collectively constitutes electricity with electric capacity C8 negative pole
Source input, its negative pole are connected with electric capacity C8 positive pole.The resistance R8 be serially connected in operational amplifier P electrode input end with
Between output end, the resistance R9 is serially connected between operational amplifier P output end and electric capacity C1 positive pole, the resistance R10
The output end for being serially connected in operational amplifier P is connected with triode VT3 emitter stage.The positive pole and triode of the electric capacity C9
VT3 emitter stage is connected, and its negative pole is connected with electric capacity C1 negative pole；The grounded collector of the triode VT3.
The present invention need not use transformer, and its is relatively simple for structure, can be easy to maintenance and inspection, and can reduce cost；Together
When can also carry out step-down rectifier processing to 220V civil power, in order to provide suitable working power for small household electrical appliance.Use
When, the positive pole of the electric capacity C7 forms the input of whole power circuit and external 220V civil power, institute with electric capacity C8 negative pole
State electric capacity C6 positive pole and negative pole then forms the output end of whole power circuit and external uses electric loading.The preposition constant-current source electricity
Road can be handled the foreign current of input, so that it is guaranteed that the present invention possesses constant operating current, avoid it in work
During produce electromagnetic interference signal, greatly improve the present invention stability.
Triode VT1, triode VT2, IGCT VS, electric capacity C2, electric capacity C3, diode D1, the diode D2 of the present invention
The step-down rectifier main circuit of the present invention is formed with diode D3 and resistance R1~R5, for carrying out step-down rectifier to 220V civil powers
Processing.The thyristor type step-down rectifying circuit of the present invention can ensure that the stable operation of circuit, good reliability.Wherein, the electric capacity
C2 is decompression capacitor, and the electric capacity C1 is then used as input filter capacitor, and electric capacity C6 is as output filter capacitor.The three-terminal voltage-stabilizing
Device U and resistance R6, electric capacity C4, electric capacity C5 and voltage-regulator diode D4 form an easy voltage-stablizer, so as to whole to being depressured
Power supply after stream carries out voltage stabilizing processing, and its voltage regulation result compares will be got well much using the mode of a voltage-regulator diode, so that
It can ensure that and more stable power supply is provided for load appliance.
As described above, it can preferably realize the present invention.
Claims (5)
- A kind of 1. thyristor type voltage regulation type decompression rectification power circuit, it is characterised in that：Mainly by preposition constant-current source circuit, three ends Voltage-stablizer U, triode VT1, triode VT2, positive pole is connected after resistance R2 with triode VT1 colelctor electrode, negative pole and three Electric capacity C1, the P pole that pole pipe VT2 colelctor electrode is connected is connected after resistance R3 with triode VT1 base stage, N poles are through resistance The diode D2 being connected after R1 with electric capacity C1 positive pole, positive pole is connected with electric capacity C1 positive pole, negative pole and diode D1 N The electric capacity C2 that pole is connected, the resistance R2 being serially connected between electric capacity C2 positive pole and triode VT1 colelctor electrode, is serially connected in three poles Resistance R4, P pole between pipe VT1 colelctor electrode and triode VT2 base stage is connected with electric capacity C1 negative pole, N poles and three poles The diode D1 that pipe VT1 emitter stage is connected, the electricity being serially connected between diode D2 P poles and triode VT2 colelctor electrode R5 is hindered, negative electrode is connected with diode D1 P poles, anode is connected with triode VT1 emitter stage, adjustable side and diode D2 The IGCT VS that is connected of P poles, positive pole is connected with diode D2 P poles, the electricity that negative pole is connected with electric capacity C1 negative pole Hold C4, the diode D3 that P poles are connected with electric capacity C2 negative pole, N poles are connected with triode VT2 emitter stage, positive pole and three The electric capacity C4 that pole pipe VT2 colelctor electrode is connected, negative pole is connected with electric capacity C1 negative pole, it is serially connected in electric capacity C4 positive pole and three The resistance R6 between voltage-stablizer U GND pins is held, positive pole is connected with three terminal regulator U VOUT pins, negative pole and triode The electric capacity C5 that VT2 colelctor electrode is connected, and positive pole are connected after voltage-regulator diode D4 with three terminal regulator U VOUT pins Connect, the electric capacity C6 compositions that negative pole is connected with electric capacity C1 negative pole；The P poles of the voltage-regulator diode D4 are with three terminal regulator U's VOUT pins are connected, N poles are connected with electric capacity C6 positive pole, and the emitter stage of the triode VT2 is with three terminal regulator U's VIN pins are connected, and the positive pole of the electric capacity C6 forms the output end of whole power circuit with negative pole；The preposition constant-current source circuit is negative with operational amplifier P after resistance R7 by operational amplifier P, triode VT3, positive pole The electric capacity C8 that pole input is connected, negative pole is connected after resistance R11 with triode VT3 base stage, positive pole is with electric capacity C8's The electric capacity C7 that negative pole collectively constitutes power input, negative pole is connected with electric capacity C8 positive pole, is being serially connected in operational amplifier P just Resistance R8 between pole input and output end, the electricity being serially connected between operational amplifier P output end and electric capacity C1 positive pole R9 is hindered, is serially connected in operational amplifier P output end and resistance R10 that triode VT3 emitter stage is connected, and positive pole and three The electric capacity C9 compositions that pole pipe VT3 emitter stage is connected, negative pole is connected with electric capacity C1 negative pole；The collection of the triode VT3 Electrode is grounded.
- A kind of 2. thyristor type voltage regulation type decompression rectification power circuit according to claim 1, it is characterised in that：Described three Pole pipe VT1~VT3 is 3CG15 type triodes.
- A kind of 3. thyristor type voltage regulation type decompression rectification power circuit according to claim 1, it is characterised in that：The fortune It is LM358 single supply general-purpose operation amplifiers to calculate amplifier P.
- A kind of 4. thyristor type voltage regulation type decompression rectification power circuit according to claim 1, it is characterised in that：Described two Pole pipe D1~D3 is 1N4007 type diodes, and the voltage-regulator diode D3 is 2CW110 type voltage-regulator diodes.
- A kind of 5. thyristor type voltage regulation type decompression rectification power circuit according to claim 1, it is characterised in that：The crystalline substance Brake tube VS is MCR100-6 type IGCTs, and the three terminal regulator U is 7809 type three terminal regulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020075.6A CN107659180A (en) | 2017-10-27 | 2017-10-27 | A kind of thyristor type voltage regulation type decompression rectification power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020075.6A CN107659180A (en) | 2017-10-27 | 2017-10-27 | A kind of thyristor type voltage regulation type decompression rectification power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107659180A true CN107659180A (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020075.6A Pending CN107659180A (en) | 2017-10-27 | 2017-10-27 | A kind of thyristor type voltage regulation type decompression rectification power circuit |
Country Status (1)
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| CN (1) | CN107659180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693782A (en) * | 2018-08-01 | 2018-10-23 | 合肥阅辞科技有限公司 | Smart home managing and control system |
-
2017
- 2017-10-27 CN CN201711020075.6A patent/CN107659180A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693782A (en) * | 2018-08-01 | 2018-10-23 | 合肥阅辞科技有限公司 | Smart home managing and control system |
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Application publication date: 20180202 |