CN102013867A - Variable-frequency and constant-voltage voltage regulator - Google Patents
Variable-frequency and constant-voltage voltage regulator Download PDFInfo
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- CN102013867A CN102013867A CN 201010591909 CN201010591909A CN102013867A CN 102013867 A CN102013867 A CN 102013867A CN 201010591909 CN201010591909 CN 201010591909 CN 201010591909 A CN201010591909 A CN 201010591909A CN 102013867 A CN102013867 A CN 102013867A
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Abstract
The invention discloses a variable-frequency and constant-voltage voltage regulator. A reference voltage signal of a power circuit and a voltage sampling and measuring circuit are connected with a packet identifier (PID) regulating circuit respectively; the voltage sampling and measuring circuit is connected with a triangular wave signal generating circuit; a signal generated by the triangular wave signal generating circuit is compared with a signal generated by the PID regulating circuit so as to obtain a voltage control signal; moreover, a frequency detection circuit is connected with a signal conditioning circuit; the signal conditioning circuit outputs a frequency control signal; the frequency control signal and the voltage control signal are transmitted to an excitation main loop sectionalized control circuit; and the excitation main loop sectionalized control circuit is connected with a voltage protection circuit. The voltage regulator has the advantages of keeping the voltage of an axle generator constant under the condition that the motive power rotating speed and frequency width range in the travelling process of an automobile vary, promoting the technical development of the axle generator and expanding the application field of the axle generator.
Description
Technical field
The present invention relates to a kind of voltage regulator, relate in particular to a kind of frequency-changing pressure stabilizing voltage regulator.
Background technology
The power of axle generator is automobile engine, automobile in the process of moving, the engine speed change scope is big, generator frequency excursion thereupon is big, and the common voltage adjuster can't not controlled exciting current along with the automatic regulator generator excitation main circuit of the variation of frequency, it is constant that output voltage is kept, therefore axle generator can only could generate electricity after automobile stops to travel, and makes the power consumption equipment service efficiency reduce, and has restricted the application of axle generator.
Summary of the invention
The object of the present invention is to provide a kind of frequency-changing pressure stabilizing voltage regulator, it can adapt to rotating speed, the frequency wide region changes, at different frequency bands, the switched energization major loop, control exciting current size, it is constant to keep output voltage, thereby axle generator also can be generated electricity in the process of moving, improves the power consumption equipment service efficiency.
The present invention is achieved like this; it comprises the voltage sample measuring circuit; power circuit; PID adjusts circuit; triangular signal generation circuit; frequency detection circuit; signal conditioning circuit; send into excitation main circuit segmented control circuit; voltage protection circuit; the reference voltage signal that it is characterized in that power circuit is connected PID adjustment circuit respectively with the voltage sample measuring circuit; the voltage sample measuring circuit connects triangular signal generation circuit; signal that triangular signal generation circuit produces and PID adjust circuit-formed signal contrast and obtain voltage control signal; frequency detection circuit connects signal conditioning circuit in addition; signal conditioning circuit output frequency control signal; frequency control signal and voltage control signal are sent into excitation main circuit segmented control circuit, and excitation main circuit segmented control circuit connects voltage protection circuit.
Technique effect of the present invention is: can realize that axle generator keeps voltage constant under motive power rotating speed, the frequency wide region situation of change in vehicle traveling process, cardan shaft band generator techniques development and widen its application.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
In the drawings, 1, voltage sample measuring circuit 2, power circuit 3, PID adjust circuit 4, triangular signal generation circuit 5, frequency detection circuit 6, signal conditioning circuit 7, send into excitation main circuit segmented control circuit 8, voltage protection circuit.
Embodiment
As shown in Figure 1, as shown in Figure 1, the present invention is achieved like this, the frequency-changing pressure stabilizing voltage regulator is gathered external voltage by voltage sample measuring circuit 1, behind step-down, rectification, second-order active filter, produce direct current signal, this direct current signal compares with the reference voltage signal that obtains through power circuit 2 and obtains difference signal, and this difference signal obtains voltage control signal through the signal of PID regulating circuit 3 formation and the signal contrast of triangular signal generation circuit 4 generations; Simultaneously, frequency detection circuit 5 is sent the frequency signal of measuring into signal conditioning circuit 6, signal conditioning circuit 6 is by analysis according to different frequency section output frequency control signal, this frequency control signal and voltage control signal act on excitation main circuit segmented control circuit 7 simultaneously, this control circuit is according to the variation of generator frequency, switch different energized circuits, the size of control exciter current of generator is to reach the purpose of output constant voltage.In addition, too high at prime mover rotating speed is generator frequency when too high, and the exciting current that needs is very little, and at this moment voltage regulator is out of control easily, so also design has voltage protection circuit 8, prevents overtension damage power consumption equipment.
Claims (1)
1. frequency-changing pressure stabilizing voltage regulator; it comprises the voltage sample measuring circuit; power circuit; PID adjusts circuit; triangular signal generation circuit; frequency detection circuit; signal conditioning circuit; send into excitation main circuit segmented control circuit; voltage protection circuit; the reference voltage signal that it is characterized in that power circuit is connected PID adjustment circuit respectively with the voltage sample measuring circuit; the voltage sample measuring circuit connects triangular signal generation circuit; signal that triangular signal generation circuit produces and PID adjust circuit-formed signal contrast and obtain voltage control signal; frequency detection circuit connects signal conditioning circuit in addition; signal conditioning circuit output frequency control signal; frequency control signal and voltage control signal are sent into excitation main circuit segmented control circuit, and excitation main circuit segmented control circuit connects voltage protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010591909 CN102013867A (en) | 2010-12-16 | 2010-12-16 | Variable-frequency and constant-voltage voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010591909 CN102013867A (en) | 2010-12-16 | 2010-12-16 | Variable-frequency and constant-voltage voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102013867A true CN102013867A (en) | 2011-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010591909 Pending CN102013867A (en) | 2010-12-16 | 2010-12-16 | Variable-frequency and constant-voltage voltage regulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN102013867A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215249A (en) * | 1997-10-22 | 1999-04-28 | 郑义山 | Pulse width type voltage regulator for electric generator |
| CN2879522Y (en) * | 2006-03-10 | 2007-03-14 | 北京工业大学 | Industrial intelligent stabilized voltage-regulator |
| CN101345491A (en) * | 2008-05-30 | 2009-01-14 | 华硕电脑股份有限公司 | Frequency conversion multi-phase voltage regulator and its control method |
| US20100259236A1 (en) * | 2009-04-08 | 2010-10-14 | Wickersham Robert D | Voltage regulator controller frequency varied by load current (61065-R) |
| CN201904752U (en) * | 2010-12-16 | 2011-07-20 | 泰豪科技股份有限公司 | Variable frequency CV voltage regulator |
-
2010
- 2010-12-16 CN CN 201010591909 patent/CN102013867A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215249A (en) * | 1997-10-22 | 1999-04-28 | 郑义山 | Pulse width type voltage regulator for electric generator |
| CN2879522Y (en) * | 2006-03-10 | 2007-03-14 | 北京工业大学 | Industrial intelligent stabilized voltage-regulator |
| CN101345491A (en) * | 2008-05-30 | 2009-01-14 | 华硕电脑股份有限公司 | Frequency conversion multi-phase voltage regulator and its control method |
| US20100259236A1 (en) * | 2009-04-08 | 2010-10-14 | Wickersham Robert D | Voltage regulator controller frequency varied by load current (61065-R) |
| CN201904752U (en) * | 2010-12-16 | 2011-07-20 | 泰豪科技股份有限公司 | Variable frequency CV voltage regulator |
Non-Patent Citations (9)
| Title |
|---|
| 《上海大中型电机》 20021231 孙明等 大型高压发电机自动电压调节器的开发 , 第02期 2 * |
| 《大连海事大学学报》 19970615 张卫忠 轴带异步发电机电压控制器的研究 第23卷, 第02期 2 * |
| 《微特电机》 20070328 徐龙权等 基于DSP数字电压调节器的设计 , 第03期 2 * |
| 《微特电机》 20091128 朱更军等 谐波励磁同步发电机数字电压调节器的研究 , 第11期 2 * |
| 《武汉理工大学学报》 20051125 张松兰等 变频技术在交流调压中的应用 第27卷, 第11期 2 * |
| 《海军工程大学学报》 19931231 朱少根等 一种自适应频率调节器的设计和分析 , 第02期 2 * |
| 《电力系统自动化》 20031130 胡凌燕等 基于变参数控制的谐波励磁发电机电压调节器 第26卷, 第22期 2 * |
| 《装甲兵工程学院学报》 20060625 魏巍等 基于DSP的车辆数字电压调节器设计 第20卷, 第02期 2 * |
| 《计算机工程与设计》 20080216 梁海瑛等 规则自适应模糊PID数字电压调节器设计 第29卷, 第03期 2 * |
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Application publication date: 20110413 |