CN204835932U - Unsteady flow load control circuit - Google Patents
Unsteady flow load control circuit Download PDFInfo
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- CN204835932U CN204835932U CN201520640514.3U CN201520640514U CN204835932U CN 204835932 U CN204835932 U CN 204835932U CN 201520640514 U CN201520640514 U CN 201520640514U CN 204835932 U CN204835932 U CN 204835932U
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Abstract
The utility model discloses an unsteady flow load control circuit, including switch S, rectifier bridge Q, resistance R1, potentiometre RP1, transformer T1, one -way silicon controlled rectifier VS1 and bidirectional thyristor VS2, 220V alternating current one end is connected to switch S one end, the switch S other end is connecting resistance R1 and load RL respectively, rectifier bridge Q pin 1 is connected to the resistance R1 other end, the 220V alternating current other end is connected respectively to rectifier bridge Q pin 3, resistance R11, resistance R12, transformer T coil L2 one end and bidirectional thyristor VS2's the T1 utmost point, bidirectional thyristor VS2's T2 extremely distinguishes the connected load RL other end and electric capacity C4, the electric capacity C4 other end connecting resistance R12 other end. The utility model discloses unsteady flow load control circuit is through using bidirectional thyristor and one -way silicon controlled rectifier cooperation control for circuit load RL both ends voltage stabilization, circuit structure is simple, and is with low costs, small, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of control circuit, specifically a kind of unsteady flow load control circuit.
Background technology
Along with popularizing of present electric equipment, bring revolutionary change to industrial and agricultural production, Defence business, science and technology, accelerate the development of society, people have stepped into Electrification Age, also make the quality of life of people obtain significantly to improve, also more and more be unable to do without these electric equipments.Along with the development of science and technology, the precision of electric equipment also improves gradually, there occurs earth-shaking change, but how to protect the interference not being subject to the external world of these electric equipments, has become the subject matter that current development in science and technology is paid close attention to.The electrical network of current China is popularized, and huge network system gives us many convenience.But along with the user of access electrical network increases, and the variation of consumer electronics, also result in the instability of line voltage, voltage fluctuated, also become the principal element damaging electric equipment.How to protect power consumption equipment when change in voltage is larger, the direction having become people to study now.The multiplex Single-chip Controlling of prior art, not only control algolithm is complicated, and price is high.
Utility model content
The purpose of this utility model is to provide a kind of unsteady flow load control circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of unsteady flow load control circuit, comprise switch S, rectifier bridge Q, resistance R1, potentiometer RP1, transformer T1, one-way SCR VS1 and bidirectional triode thyristor VS2, described switch S one end connects 220V alternating current one end, the switch S other end is contact resistance R1 and load RL respectively, the resistance R1 other end connects rectifier bridge Q pin 1, rectifier bridge Q pin 3 connects the 220V alternating current other end respectively, resistance R11, resistance R12, the T1 pole of transformer T coil L2 one end and bidirectional triode thyristor VS2, the T2 pole of bidirectional triode thyristor VS2 connects the load RL other end and electric capacity C4 respectively, the electric capacity C4 other end contact resistance R12 other end, the G pole contact resistance R11 other end and the resistance R10 respectively of bidirectional triode thyristor VS2, the resistance R10 other end connects diode VD5 positive pole, the diode VD5 negative pole connection transformer T coil L2 other end, described rectifier bridge Q pin 2 is the contact resistance R3 other end and resistance R5 respectively, the resistance R5 other end connects the G pole of one-way SCR VS1, the resistance R3 other end connects diode VD1 positive pole respectively, diode VD2 negative pole and electric capacity C2, diode VD1 negative pole connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode connects diode VD3 positive pole and potentiometer RP1 respectively, the potentiometer RP1 other end connects potentiometer RP1 slide plate and resistance R4 respectively, the resistance R4 other end connects the A pole of one-way SCR VS1, the K pole contact resistance R6 and resistance R9 respectively of one-way SCR VS1, resistance R9 other end connecting triode VT2 base stage, triode VT2 collector electrode connects diode VD4 positive pole and transformer T coil L1 respectively, the transformer T coil L1 other end connects diode VD4 negative pole and resistance R8 respectively, the resistance R8 other end connects diode VD3 negative pole and electric capacity C3 respectively, the electric capacity C3 other end is connecting triode VT2 emitter respectively, the resistance R6 other end, the electric capacity C2 other end, diode VD2 positive pole, resistance R2, the electric capacity C1 other end and rectifier bridge Q pin 4, resistance R3 other end connecting triode VT1 emitter.
As further program of the utility model: described diode VD2 is voltage stabilizing didoe.
As the utility model further scheme: described one-way SCR VS1 adopts TL431.
Compared with prior art, the beneficial effects of the utility model are: the utility model unsteady flow load control circuit controls by using bidirectional triode thyristor and one-way SCR to coordinate, and circuit load RL both end voltage is stablized, circuit structure is simple, cost is low, and volume is little, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of unsteady flow load control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of unsteady flow load control circuit, comprise switch S, rectifier bridge Q, resistance R1, potentiometer RP1, transformer T1, one-way SCR VS1 and bidirectional triode thyristor VS2, switch S one end connects 220V alternating current one end, the switch S other end is contact resistance R1 and load RL respectively, the resistance R1 other end connects rectifier bridge Q pin 1, rectifier bridge Q pin 3 connects the 220V alternating current other end respectively, resistance R11, resistance R12, the T1 pole of transformer T coil L2 one end and bidirectional triode thyristor VS2, the T2 pole of bidirectional triode thyristor VS2 connects the load RL other end and electric capacity C4 respectively, the electric capacity C4 other end contact resistance R12 other end, the G pole contact resistance R11 other end and the resistance R10 respectively of bidirectional triode thyristor VS2, the resistance R10 other end connects diode VD5 positive pole, the diode VD5 negative pole connection transformer T coil L2 other end, rectifier bridge Q pin 2 is the contact resistance R3 other end and resistance R5 respectively, the resistance R5 other end connects the G pole of one-way SCR VS1, the resistance R3 other end connects diode VD1 positive pole respectively, diode VD2 negative pole and electric capacity C2, diode VD1 negative pole connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode connects diode VD3 positive pole and potentiometer RP1 respectively, the potentiometer RP1 other end connects potentiometer RP1 slide plate and resistance R4 respectively, the resistance R4 other end connects the A pole of one-way SCR VS1, the K pole contact resistance R6 and resistance R9 respectively of one-way SCR VS1, resistance R9 other end connecting triode VT2 base stage, triode VT2 collector electrode connects diode VD4 positive pole and transformer T coil L1 respectively, the transformer T coil L1 other end connects diode VD4 negative pole and resistance R8 respectively, the resistance R8 other end connects diode VD3 negative pole and electric capacity C3 respectively, the electric capacity C3 other end is connecting triode VT2 emitter respectively, the resistance R6 other end, the electric capacity C2 other end, diode VD2 positive pole, resistance R2, the electric capacity C1 other end and rectifier bridge Q pin 4, resistance R3 other end connecting triode VT1 emitter.
Diode VD2 is voltage stabilizing didoe.
One-way SCR VS1 adopts TL431.
Operation principle of the present utility model is: refer to Fig. 1, in circuit, bidirectional triode thyristor VS2 is accessed between load RL and AC power, add triggering signal at VS2 gate pole, make its on/off, just can control the average power of supply load RL, in circuit, VT1 and C1 etc. form soft starting circuit, RP1 is for adjusting the size of output voltage, and VT2 is for amplifying start pulse signal, C4 and R12 forms surge absorbing circuit.When VD3 is used for charging voltage decline, stop C3 electric discharge, adopt VS1 to trigger VS2, the effect of R3 and VD2 makes triggering pulse generator steady operation, and therefore, when alternating voltage changes, output voltage can keep constant.Such as, when supply voltage rises, the initial time of pulses generation lags, and two-way crystalline substance asks that the angle of flow of pipe VS2 narrows, and output voltage declines; When the power supply voltage drops, in advance, the VS2 angle of flow increases pulse build-up time, and output voltage rises, therefore, can keep output voltage stabilization, trigger impulse amplifies through VT2, again by pulse transformer T, be added to the gate pole of VS2, trigger VS2 thus control output voltage.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a unsteady flow load control circuit, comprise switch S, rectifier bridge Q, resistance R1, potentiometer RP1, transformer T1, one-way SCR VS1 and bidirectional triode thyristor VS2, it is characterized in that, described switch S one end connects 220V alternating current one end, the switch S other end is contact resistance R1 and load RL respectively, the resistance R1 other end connects rectifier bridge Q pin 1, rectifier bridge Q pin 3 connects the 220V alternating current other end respectively, resistance R11, resistance R12, the T1 pole of transformer T coil L2 one end and bidirectional triode thyristor VS2, the T2 pole of bidirectional triode thyristor VS2 connects the load RL other end and electric capacity C4 respectively, the electric capacity C4 other end contact resistance R12 other end, the G pole contact resistance R11 other end and the resistance R10 respectively of bidirectional triode thyristor VS2, the resistance R10 other end connects diode VD5 positive pole, the diode VD5 negative pole connection transformer T coil L2 other end, described rectifier bridge Q pin 2 is the contact resistance R3 other end and resistance R5 respectively, the resistance R5 other end connects the G pole of one-way SCR VS1, the resistance R3 other end connects diode VD1 positive pole respectively, diode VD2 negative pole and electric capacity C2, diode VD1 negative pole connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode connects diode VD3 positive pole and potentiometer RP1 respectively, the potentiometer RP1 other end connects potentiometer RP1 slide plate and resistance R4 respectively, the resistance R4 other end connects the A pole of one-way SCR VS1, the K pole contact resistance R6 and resistance R9 respectively of one-way SCR VS1, resistance R9 other end connecting triode VT2 base stage, triode VT2 collector electrode connects diode VD4 positive pole and transformer T coil L1 respectively, the transformer T coil L1 other end connects diode VD4 negative pole and resistance R8 respectively, the resistance R8 other end connects diode VD3 negative pole and electric capacity C3 respectively, the electric capacity C3 other end is connecting triode VT2 emitter respectively, the resistance R6 other end, the electric capacity C2 other end, diode VD2 positive pole, resistance R2, the electric capacity C1 other end and rectifier bridge Q pin 4, resistance R3 other end connecting triode VT1 emitter.
2. unsteady flow load control circuit according to claim 1, is characterized in that, described diode VD2 is voltage stabilizing didoe.
3. unsteady flow load control circuit according to claim 1, is characterized in that, described one-way SCR VS1 adopts TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640514.3U CN204835932U (en) | 2015-08-24 | 2015-08-24 | Unsteady flow load control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640514.3U CN204835932U (en) | 2015-08-24 | 2015-08-24 | Unsteady flow load control circuit |
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| Publication Number | Publication Date |
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| CN204835932U true CN204835932U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520640514.3U Expired - Fee Related CN204835932U (en) | 2015-08-24 | 2015-08-24 | Unsteady flow load control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890847A (en) * | 2018-09-11 | 2020-03-17 | 深圳市国王科技有限公司 | Energy-saving voltage stabilizing circuit |
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2015
- 2015-08-24 CN CN201520640514.3U patent/CN204835932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890847A (en) * | 2018-09-11 | 2020-03-17 | 深圳市国王科技有限公司 | Energy-saving voltage stabilizing circuit |
| CN110890847B (en) * | 2018-09-11 | 2023-11-14 | 深圳市国王科技有限公司 | Energy-saving voltage stabilizing circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160824 |