CN203261284U - Novel automatic voltage regulator - Google Patents
Novel automatic voltage regulator Download PDFInfo
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- CN203261284U CN203261284U CN 201320271422 CN201320271422U CN203261284U CN 203261284 U CN203261284 U CN 203261284U CN 201320271422 CN201320271422 CN 201320271422 CN 201320271422 U CN201320271422 U CN 201320271422U CN 203261284 U CN203261284 U CN 203261284U
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Abstract
The utility model discloses a novel automatic voltage regulator. The novel automatic voltage regulator comprises a given signal, a measurement feedback stage, a PID stage, a synchronizing signal picking stage, a phase-shifted trigger stage and a silicon-controlled current shunt stage. An anti-logical control signal picking circuit is adopted in the synchronizing signal picking stage, and a trigger circuit with variable sawtooth waves and broad pulses is adopted in the phase-shifted trigger stage. The novel automatic voltage regulator is compact in size and high in reliablility and is suitable for a brush phase compound excitation electric generator and a brushless phase compound excitation electric generator, and achieves the unification of a brush phase compound excitation automatic voltage regulator and a brushless phase compound excitation automatic voltage regulator and the high degree of standardization.
Description
Technical field
The utility model relates to a kind of voltage regulator, relates in particular to a kind of all kinds of new type auto voltage regulators that brush and brushless phase compound excitation generator are arranged that are applicable to.
Background technology
The automatic voltage regulator that has brush phase compound excitation motor to join in the prior art, synchronizing signal pick up and adopt the positive logic control mode.Generator excitation voltage directly is added in the two ends of adjuster high power device, and high power device can produce peak voltage when work, and the energy of peak voltage discharges by high power device, and high power device is additionally generated heat.The working power power consumption of this automatic voltage regulator own is larger, and the long-term fatiguability that uses damages under high working voltage.Though major loop adopts SCR control, but integrated circuit is few, the automatic voltage regulator components and parts are dispersed large, and suitability is poor, and cost is higher.
The automatic voltage regulator that brushless phase compound excitation motor of the prior art is joined, major loop adopt IGBT(1000V/60A) shunting mode at random.When IGBT turn-offs, because the loop leakage reactance is larger, the IGBT two ends will produce higher forward peak voltage.Need to install at the generator body Absorption Capacitance of larger capacity in order to absorb this peak voltage.Under the nominal situation, peak absorbing circuit can guarantee that IGBT is operated in the safety operation area, but the absorbing circuit storage power needs to discharge when the IGBT conducting, and IGBT is additionally generated heat.During damage (short circuit, contrary merit etc.), current transformer increase side effect, the forward peak voltage that the IGBT two ends are produced increases greatly, the absorbing circuit storage power also increases greatly.Such as the bearing value of peak voltage above IGBT, IGBT is punctured; Excessive releases energy, and IGBT fatigue or direct heat are punctured; There is the reverse voltage (burr) about 30V in generator excitation source voltage simultaneously, may cause the IGBT reverse gate voltage to puncture.Owing to above reason, cause the product repair rate higher, reliability is relatively poor.
The utility model content
The purpose of this utility model is as having brush and brushless phase compound excitation generator that the new type auto voltage regulator of a kind of compact conformation, reliability height, highly versatile is provided.
For achieving the above object, the technical scheme that the utility model adopts is,
A kind of new type auto voltage regulator comprises by given signal, measures feedback element, PID link, synchronizing signal is picked up, phase shift triggers link and controllable silicon shunting link forms closed-loop system; Given signal output and the output of measurement feedback element are input to the PID link jointly; Generator excitation power output is input to synchronizing signal and picks up; Synchronizing signal is picked up output and the output of PID link, jointly is input to phase shift and triggers link; Phase shift triggers link output and generator excitation power output, jointly is input to controllable silicon shunting link; The output of controllable silicon shunting link is input to generator; Generator output is input to the measurement feedback element; Described synchronizing signal is picked up and is adopted antilogical control synchronizing signal pick-up circuit, and described phase shift triggers link and adopts change sawtooth waveforms, broad pulse circuits for triggering.
Described antilogical control synchronizing signal pick-up circuit comprises the first diode, and the negative electrode of described the first diode is connected with generator excitation power, and the anode of described the first diode is connected with an end of the first resistance and the anode of the second diode respectively; The negative electrode of described the second diode is connected with the negative electrode of voltage stabilizing didoe, and the anode of described voltage stabilizing didoe is connected with the base stage of triode; The collector electrode of described triode is connected with an end of the second resistance, an end of the 3rd resistance and an end of the first electric capacity respectively, and the other end of described the 3rd resistance is connected with 1 pin of reverser; 14 pin of the other end of the other end of described the first resistance, described the second resistance and described reverser are connected with the VCC DC power supply respectively; 2 pin of described reverser are connected with the anode of the 3rd diode, and the negative electrode of described the 3rd diode is connected with 5 pin of described reverser, an end of the 4th resistance and an end of the second electric capacity respectively; 7 pin of the other end of the other end of the other end of the emitter of described triode, described the first electric capacity, described the second electric capacity, described the 4th resistance and described reverser meet respectively power supply ground GND; 6 pin of described reverser are connected with 9 pin.
Described change sawtooth waveforms, broad pulse circuits for triggering comprise the 5th diode, and the negative electrode of described the 5th diode is connected with 8 pin of described reverser; The output of described PID link is connected with an end of the 5th resistance, the other end of described the 5th resistance is connected with the anode of the 4th diode, and the negative electrode of described the 4th diode is connected with the anode of an end of the 3rd electric capacity, an end of the 6th resistance, described the 5th diode and 13 pin of described reverser respectively; Another termination power ground GND of described the 3rd electric capacity, the other end of described the 6th resistance is connected with the VCC DC power supply; 11 pin of described reverser are connected with 12 pin, and 10 pin of described reverser are connected with an end of the 7th resistance, and the other end of described the 7th resistance is connected with an end of silicon controlled gate pole and the 8th resistance respectively; Described silicon controlled anode is connected with 6 pin of described reverser, and described silicon controlled negative electrode output is linked into described controllable silicon shunting link; Another termination power ground GND of described the 8th resistance.
The new type auto voltage regulator that the utility model provides, compact conformation, reliability height have been applicable to brush and brushless phase compound excitation generator, have realized having the unification of brush and brushless phase compound excitation automatic voltage regulator, and standardization level is high.
The automatic voltage regulator that the utility model provides adopts integrated circuit control, compares with the automatic voltage regulator that brush phase compound excitation motor is arranged of routine, has reduced peripheral components, makes compact overall structure.Synchronizing signal is picked up and is adopted antilogical control, the isolated high-voltage signal, and except controllable silicon, without high-power heater members, it is compact reliable that phase shift triggers link; Major loop adopts SCR control, silicon control zero-cross turn-offs, can not cause the shutoff overvoltage, even the back-pressure that has the loop leakage reactance to produce, the phenomenon that the characteristic that controllable silicon can bear back-pressure has also avoided conventional automatic voltage regulator master element to puncture, therefore greatly improve reliability, and significantly reduced product cost.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fundamental diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiment and accompanying drawing thereof.
As shown in Figure 1, a kind of new type auto voltage regulator, comprise that given signal, measurement feedback element, PID link, synchronizing signal are picked up, phase shift triggers link and controllable silicon shunting link, synchronizing signal is picked up and is adopted antilogical control synchronizing signal pick-up circuit, and phase shift triggers link and adopts change sawtooth waveforms, broad pulse circuits for triggering.
The operation principle of automatic voltage regulator as shown in Figure 2, automatic voltage regulator adopts closed-loop system.Wherein measure feedback signal and draw the output of spontaneous motor, with the given signal of adjuster relatively after, the errors value is through the output of PID link.Synchronizing signal is picked up and is drawn spontaneous motor field power supply, and synchronizing signal output and the common input of PID link output phase shift trigger link.The controllable silicon electric current draws spontaneous motor field power supply, and phase shift triggers link control controllable silicon shunting link.Controllable silicon shunting link is by changing the exciting current size, the output of control generator.Feedback is measured in generator output impact, forms closed-loop system.Keep the substantially constant purpose of generator voltage thereby reach.
The antilogical control synchronizing signal pick-up circuit that synchronizing signal is picked up, input signal is from generator excitation power, and output signal is the adjuster synchronizing signal.
Antilogical control synchronizing signal pick-up circuit comprises the first diode D1, and the negative electrode of the first diode D1 is connected with generator excitation power, and the anode of the first diode D1 is connected with an end of the first resistance R 1 and the anode of the second diode D2 respectively; The negative electrode of the second diode D2 is connected with the negative electrode of voltage stabilizing didoe Z1, and the anode of voltage stabilizing didoe Z1 is connected with the base stage of triode V1; The collector electrode of triode V1 is connected with an end of the second resistance R 2, an end of the 3rd resistance R 3 and an end of the first capacitor C 1 respectively, and the other end of the 3rd resistance R 3 is connected with 1 pin of reverser N1; 14 pin of the other end of the other end of the first resistance R 1, the second resistance R 2 and reverser N1 are connected with the VCC DC power supply of+12V respectively; 2 pin of reverser N1 are connected with the anode of the 3rd diode D3, and the negative electrode of the 3rd diode D3 is connected with 5 pin of reverser N1, an end of the 4th resistance R 4 and an end of the second capacitor C 2 respectively; 7 pin of the other end of the other end of the other end of the emitter of triode V1, the first capacitor C 1, the second capacitor C 2, the 4th resistance R 4 and reverser N1 meet respectively power supply ground GND; 6 pin of reverser N1 are connected with 9 pin.Wherein, reverser N1 is that model is CD40106BCN six reversers, and triode V1 is that model is the triode of 2SC1815.
Phase shift triggers change sawtooth waveforms, the broad pulse circuits for triggering of link, and input signal comes the output signal of voltage signal and the antilogical control synchronizing signal pick-up circuit of the input of self tuning regulator PID link, and output signal is the control signal of controllable silicon shunting link.
Become sawtooth waveforms, broad pulse circuits for triggering, comprise the 5th diode D5, the negative electrode of the 5th diode D5 is connected with 8 pin of reverser N1; The output of PID link is connected with an end of the 5th resistance R 5, the other end of the 5th resistance R 5 is connected with the anode of the 4th diode D4, and the negative electrode of the 4th diode D4 is connected with an end of the 3rd capacitor C 3, an end of the 6th resistance R 6, the anode of the 5th diode D5 and 13 pin of reverser N1 respectively; The 3rd holds another termination power ground GND of C3, and the other end of the 6th resistance R 6 is connected with the VCC DC power supply of+12V; 11 pin of reverser N1 are connected with 12 pin, and 10 pin of reverser N1 are connected with an end of the 7th resistance R 7, and the other end of the 7th resistance R 7 is connected with the gate pole of controllable silicon V2 and an end of the 8th resistance R 8 respectively; The anode of controllable silicon V2 is connected with 6 pin of reverser N1, and the negative electrode output of controllable silicon V2 is linked into controllable silicon shunting link; Another termination power ground GND of the 8th resistance R 8.Wherein, controllable silicon V2 is that model is the controllable silicon of 2N5061G.
The automatic voltage regulator that the utility model provides, the antilogical control synchronizing signal that adopts is picked up the employing circuit, be not only applicable to the phase compound excitation motor, and the synchronizing signal that can be used for brushless generator, harmonic electric generator picks up, and can use for reference this circuit for all kinds of automatic voltage regulators of Future Development; This circuit can also be widely used in synchronizing signal in conjunction with other circuit and pick up, and the synchronizing signal of other industry is picked up provides a kind of new thinking.The change sawtooth waveforms, the broad pulse circuits for triggering that adopt, practical reliable.The master element silicon controlled that is not only applicable to various automatic voltage regulators reliably triggers, and can be widely used in other circuit silicon controlleds triggering links.
New type auto voltage regulator has substituted old automatic voltage regulator and had put on market nearly 2 years comprehensively, has produced more than 2000, and this automatic voltage regulator performance safety of user feedback is reliable.Follow the application of new technology, the components and parts cost of automatic voltage regulator also reduces by more than 50 than original automatic voltage regulator, for enterprise has saved cost, has created good economic benefit.
Claims (3)
1. new type auto voltage regulator comprises by given signal, measures feedback element, PID link, synchronizing signal is picked up, phase shift triggers link and controllable silicon shunting link forms closed-loop system; Given signal output and the output of measurement feedback element are input to the PID link jointly; Generator excitation power output is input to synchronizing signal and picks up; Synchronizing signal is picked up output and the output of PID link, jointly is input to phase shift and triggers link; Phase shift triggers link output and generator excitation power output, jointly is input to controllable silicon shunting link; The output of controllable silicon shunting link is input to generator; Generator output is input to the measurement feedback element, it is characterized in that: described synchronizing signal is picked up and is adopted antilogical control synchronizing signal pick-up circuit, and described phase shift triggers the link employing and becomes sawtooth waveforms, broad pulse circuits for triggering.
2. described new type auto voltage regulator according to claim 1, it is characterized in that: described antilogical control synchronizing signal pick-up circuit, comprise the first diode (D1), the negative electrode of described the first diode (D1) is connected with generator excitation power, and the anode of described the first diode (D1) is connected with an end of the first resistance (R1) and the anode of the second diode (D2) respectively; The negative electrode of described the second diode (D2) is connected with the negative electrode of voltage stabilizing didoe (Z1), and the anode of described voltage stabilizing didoe (Z1) is connected with the base stage of triode (V1); The collector electrode of described triode (V1) is connected with an end of the second resistance (R2), an end of the 3rd resistance (R3) and an end of the first electric capacity (C1) respectively, and the other end of described the 3rd resistance (R3) is connected with 1 pin of reverser (N1); 14 pin of the other end of the other end of described the first resistance (R1), described the second resistance (R2) and described reverser (N1) are connected with the VCC DC power supply respectively; 2 pin of described reverser (N1) are connected with the anode of the 3rd diode (D3), and the negative electrode of described the 3rd diode (D3) is connected with 5 pin of described reverser (N1), an end of the 4th resistance (R4) and an end of the second electric capacity (C2) respectively; 7 pin of the other end of the other end of the other end of the emitter of described triode (V1), described the first electric capacity (C1), described the second electric capacity (C2), described the 4th resistance (R4) and described reverser (N1) meet respectively power supply ground GND; 6 pin of described reverser (N1) are connected with 9 pin.
3. described new type auto voltage regulator according to claim 1 is characterized in that: described change sawtooth waveforms, broad pulse circuits for triggering, comprise the 5th diode (D5), and the negative electrode of described the 5th diode (D5) is connected with 8 pin of described reverser (N1); The output of described PID link is connected with an end of the 5th resistance (R5), the other end of described the 5th resistance (R5) is connected with the anode of the 4th diode (D4), and the negative electrode of described the 4th diode (D4) is connected with an end of the 3rd electric capacity (C3), an end of the 6th resistance (R6), the anode of described the 5th diode (D5) and 13 pin of described reverser (N1) respectively; Another termination power ground GND of described the 3rd electric capacity (C3), the other end of described the 6th resistance (R6) is connected with the VCC DC power supply; 11 pin of described reverser (N1) are connected with 12 pin, 10 pin of described reverser (N1) are connected with an end of the 7th resistance (R7), and the other end of described the 7th resistance (R7) is connected with the gate pole of controllable silicon (V2) and an end of the 8th resistance (R8) respectively; The anode of described controllable silicon (V2) is connected with 6 pin of described reverser (N1), and the negative electrode output of described controllable silicon (V2) is linked into described controllable silicon shunting link; Another termination power ground GND of described the 8th resistance (R8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271422 CN203261284U (en) | 2013-05-17 | 2013-05-17 | Novel automatic voltage regulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271422 CN203261284U (en) | 2013-05-17 | 2013-05-17 | Novel automatic voltage regulator |
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| CN203261284U true CN203261284U (en) | 2013-10-30 |
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| CN 201320271422 Expired - Fee Related CN203261284U (en) | 2013-05-17 | 2013-05-17 | Novel automatic voltage regulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296953A (en) * | 2013-05-17 | 2013-09-11 | 兰州电机股份有限公司 | Novel automatic voltage regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296953A (en) * | 2013-05-17 | 2013-09-11 | 兰州电机股份有限公司 | Novel automatic voltage regulator |
| CN103296953B (en) * | 2013-05-17 | 2016-06-08 | 兰州电机股份有限公司 | Automatic voltage regulator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |