CN107528494A - 单片机电源多功能逆变电源电路 - Google Patents

单片机电源多功能逆变电源电路 Download PDF

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Publication number
CN107528494A
CN107528494A CN201710911146.5A CN201710911146A CN107528494A CN 107528494 A CN107528494 A CN 107528494A CN 201710911146 A CN201710911146 A CN 201710911146A CN 107528494 A CN107528494 A CN 107528494A
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China
Prior art keywords
electric capacity
triode
power supply
circuit
voltage
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CN201710911146.5A
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Inventor
冯祖华
尚俊
阮永成
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Hubei Tianhe Intelligent Technology Development Co Ltd
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Hubei Tianhe Intelligent Technology Development Co Ltd
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Priority to CN201710911146.5A priority Critical patent/CN107528494A/zh
Publication of CN107528494A publication Critical patent/CN107528494A/zh
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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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac 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
    • H02M7/537—Conversion of dc power input into ac 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, e.g. single switched pulse inverters
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

本发明涉及单片机电源多功能逆变电源电路，包括电路一、电路二；其中电路一包括三极管一、电容一、电容二，三极管一的发射集与电源公共端端子连接，集电极分别与直流电源正极和电容二连接，基集与电压输入端连接，基集与电压输入端之间的导线上串连电容一；电路二包括三极管二，电容三，所述三极管二的发射集与电源公共端端子连接，集电极分别与直流电源正极和电容三连接，基集通过导线分别与电压输入端、直流电源正极、电源公共端端子连接；电容二和电容三通过导线共同连接稳压后的电压输出端，本发明技术方案简单，使用器件少。为了使负载电压接近正弦波通常在输出端，在接LC滤波器输出滤波器LC滤除逆变器输出电压中的高次谐波。

Description

单片机电源多功能逆变电源电路
技术领域
本发明涉及一种单片机电源多功能逆变电源电路。
背景技术
现有的变频电源输出滤波器稳态精度不高、稳定性差、可靠性低。
发明内容
本发明所要解决的技术问题是要提供一种稳态精度高、稳定性好的逆变电源电路。实现上述目的的技术方案如下：
单片机电源多功能逆变电源电路，包括电路一、电路二；其中所述电路一包括三极管一、电容一、电容二，三极管一的发射集与电源公共端端子连接，三极管一的集电极分别与直流电源正极和电容二连接，三极管一的基集与电压输入端连接，三极管一基集与电压输入端之间的导线上串连电容一；
所述电路二包括三极管二，电容三，所述三极管二的发射集与电源公共端端子连接，三极管二的集电极分别与直流电源正极和电容三连接，三极管二的基集通过导线分别与电压输入端、直流电源正极、电源公共端端子连接；
电容二和电容三通过导线共同连接稳压后的电压输出端。
该技术方案简单，使用器件少。为了使负载电压接近正弦波通常在输出端，在接LC滤波器输出滤波器LC滤除逆变器输出电压中的高次谐波。
附图说明
图1为本发明电路一示意图；
图2为本发明电路二示意图；
具体实施方式
下面结合附图对本发明做详细的说明。
单片机电源多功能逆变电源电路，包括电路一、电路二；其中所述电路一包括三极管一Q1、电容一C1、电容二C2，三极管一Q1的发射集与电源公共端端子GND连接，三极管一Q1的集电极分别与直流电源正极VCC和电容二C2连接，三极管一Q1的基集与电压输入端VIN连接，三极管一Q1基集与电压输入端VIN之间的导线上串连电容一C1；
所述电路二包括三极管二Q2，电容三C3，所述三极管二Q2的发射集与电源公共端端子GND连接，三极管二Q2的集电极分别与直流电源正极VCC和电容三C3连接，三极管二Q2的基集通过导线分别与电压输入端VIN、直流电源正极VCC、电源公共端端子GND连接。三极管二Q2的基集与电压输入端VIN之间的导线上串连有电容四C4。
电路一和电路二中的两个三极管的集电极通过导线共同连接直流电源正极VCC。两个三极管的基集通过导线共同连接电压输入端VIN。电容二C2和电容三C3通过导线共同连接稳压后的电压输出端。
本发明中，所述三极管一Q1和三极管二Q2采用2N3904型号的电子元件。
以上仅为本发明实施例的较佳实施例而已，并不用以限制本发明实施例，凡在本发明实施例的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明实施例的保护范围内。

Claims (3)

1.单片机电源多功能逆变电源电路，其特征在于：包括电路一、电路二；其中所述电路一包括三极管一、电容一、电容二，三极管一的发射集与电源公共端端子连接，三极管一的集电极分别与直流电源正极和电容二连接，三极管一的基集与电压输入端连接，三极管一的基集与电压输入端之间的导线上串连电容一；
所述电路二包括三极管二，电容三，所述三极管二的发射集与电源公共端端子连接，三极管二的集电极分别与直流电源正极和电容三连接，三极管二的基集通过导线分别与电压输入端、直流电源正极、电源公共端端子连接；
电容二和电容三通过导线共同连接稳压后的电压输出端。
2.根据权利要求1所述的单片机电源多功能逆变电源电路，其特征在于：三极管二的基集与电压输入端之间的导线上串连有电容四。
3.根据权利要求1所述的单片机电源多功能逆变电源电路，其特征在于：所述三极管一和三极管二采用2N3904型号。
CN201710911146.5A 2017-09-29 2017-09-29 单片机电源多功能逆变电源电路 Pending CN107528494A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204116527U (zh) * 2014-01-24 2015-01-21 云南电网公司曲靖供电局 电流互感器极性测试装置
CN206472109U (zh) * 2017-03-06 2017-09-05 佛山市共鸣音响设备有限公司 一种大功率功放输出电路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204116527U (zh) * 2014-01-24 2015-01-21 云南电网公司曲靖供电局 电流互感器极性测试装置
CN206472109U (zh) * 2017-03-06 2017-09-05 佛山市共鸣音响设备有限公司 一种大功率功放输出电路

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