WO2018161449A1 - 电子开关功放电路 - Google Patents

电子开关功放电路 Download PDF

Info

Publication number
WO2018161449A1
WO2018161449A1 PCT/CN2017/087071 CN2017087071W WO2018161449A1 WO 2018161449 A1 WO2018161449 A1 WO 2018161449A1 CN 2017087071 W CN2017087071 W CN 2017087071W WO 2018161449 A1 WO2018161449 A1 WO 2018161449A1
Authority
WO
WIPO (PCT)
Prior art keywords
power amplifier
circuit
transistor
amplifier circuit
resistor
Prior art date
Application number
PCT/CN2017/087071
Other languages
English (en)
French (fr)
Inventor
齐东才
朱红锋
Original Assignee
深圳市品川能源电气有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市品川能源电气有限公司 filed Critical 深圳市品川能源电气有限公司
Publication of WO2018161449A1 publication Critical patent/WO2018161449A1/zh

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics

Definitions

  • the present invention relates to the field of electric vehicles, and in particular to an electronic shut-off power amplifier circuit for an electric vehicle high-voltage power distribution box.
  • the high-voltage power distribution box is an important part of the electrical control device in the new energy vehicle. Its performance will directly affect the performance of the vehicle.
  • the internal circuit structures of most of the high-voltage power distribution boxes of electric vehicles are constructed by means of high-voltage DC contactors, copper bars and cables.
  • high-voltage power distribution boxes are bulky and occupy large. The vehicle space, heavy weight, complicated assembly process defects, and poor safety and stability.
  • the B board replaces the copper row and cable structure of the high voltage power distribution box in the above technology, and the high and low voltage lines are integrated on the PCB board, which optimizes the layout of the high and low voltage harnesses in the box body and reduces the volume of the box body.
  • the electronically-off power amplifier circuit obtained by the present invention obtains a voltage that meets the working requirements of the power distribution box after the input voltage signal is amplified, stabilized, and power-amplified;
  • the circuit and the power amplifier replace the electronic components of the original distribution box, making the product small in size, long in life and high in stability.
  • the present invention provides an electronic ⁇ power amplifier circuit, including an amplifying circuit, a voltage stabilizing circuit, and a power amplifier circuit, wherein the amplifying circuit is electrically connected to the power amplifier circuit through the voltage stabilizing circuit, and the input signal sequentially passes through the amplifying circuit.
  • the amplified, regulated circuit regulator and power amplifier circuit get the desired output signal.
  • the amplifying circuit includes a first triode, a second triode, and a third triode; the input signal is coupled to the base of the first triode through the first resistor, the first three poles
  • the collector of the tube is connected to the collector of the second transistor through a second resistor, the base of the second transistor is connected to the base of the third transistor, and the emitter of the second transistor
  • the collector of the third transistor is connected, and the emitter of the third transistor is connected to the emitter of the first transistor.
  • the voltage stabilizing circuit includes a third resistor, a fourth resistor, a fifth resistor, a capacitor, a first diode, a second diode, and a voltage regulator; the second resistor and the second resistor
  • the common end of the collector of the pole tube is connected to one end of the fourth resistor through a third resistor, and the common end of the collector of the second transistor and the collector of the third transistor is respectively connected to the power amplifier circuit through the fifth resistor and a negative pole of the second diode, one end of the fourth resistor is respectively connected to one end of the capacitor and the negative pole of the first diode, and the anode of the first diode is respectively connected to one end of the Zener tube and the second diode The anode of the tube; and the other end of the fourth resistor, the capacitor and the Zener diode are connected to a low level.
  • the power amplifier circuit is a power tube, and a common end formed by an emitter of the first transistor and an emitter of the third transistor is connected to the power tube.
  • the electronic power-off power amplifier circuit provided by the present invention includes an amplifying circuit, a voltage stabilizing circuit and a power amplifier circuit, and the input signal passes through the amplifying circuit, the voltage stabilizing circuit and the power amplifier circuit.
  • the voltage that meets the working requirements of the distribution box is obtained; the electronic components of the original distribution box are replaced by the amplifying circuit, the voltage stabilizing circuit and the power amplifier circuit, so that the product has small volume, long service life and high stability.
  • FIG. 1 is a circuit schematic diagram of an electronically-off power amplifier circuit of the present invention.
  • an electronic ⁇ power amplifier circuit provided by the present invention includes an amplifying circuit 10 , a voltage stabilizing circuit 20 , and a power amplifier circuit 30 .
  • the amplifying circuit 10 is electrically connected to the power amplifier circuit 30 through the voltage stabilizing circuit 20 , and the input signals are sequentially
  • the desired output signal is obtained by the amplification of the amplifying circuit 10, the voltage regulator circuit 20 and the power amplifier circuit 30 power amplifier.
  • the electronic shutdown power amplifier circuit provided by the present invention includes an amplifying circuit 10, a voltage stabilizing circuit 20 and a power amplifier circuit 30, and the input signal passes through the amplifying circuit 10, the voltage stabilizing circuit 20 and the power amplifier circuit 30. After obtaining the voltage that meets the working requirements of the distribution box, the electronic components of the original distribution box are replaced by the amplifying circuit 10, the voltage stabilizing circuit 20 and the power amplifier circuit 30, so that the product has small volume, long life and high stability.
  • the amplifying circuit 10 includes a first transistor Q1, a second transistor Q2, and a third transistor Q3; the input signal is connected to the base of the first transistor through the first resistor R1. a pole, a collector of the first transistor is connected to a collector of the second transistor through a second resistor R2, and a base of the second transistor is connected to a base of the third transistor, the second transistor The emitter is connected to the collector of the third transistor, and the emitter of the third transistor is connected to the emitter of the first transistor.
  • the amplifying circuit is not limited to including three triodes, but may have a single triode or other number of triodes.
  • the amplifying circuit is not limited to the above-described embodiments, and may be other specific circuits. If the changes to other circuits are simple deformations or changes of the present case, they fall within the scope of protection of the present case.
  • the voltage stabilizing circuit 20 includes a third resistor R3, a fourth resistor R4, a fifth resistor R5, a capacitor, a first diode D1, a second diode D2 and a Zener Z;
  • the common end of the collector of the second resistor and the second triode is connected to one end of the fourth resistor through a third resistor, and the common end of the collector of the second triode and the collector of the third triode pass the fifth resistor Connecting the power amplifier circuit and the negative pole of the second diode respectively, one end of the fourth resistor is respectively connected to one end of the capacitor and the negative pole of the first diode, and the anode of the first diode is respectively connected to one end of the voltage regulator tube and the second second The anode of the pole tube; and the other end of the fourth resistor, the capacitor and the Zener tube are connected to the low level VL.
  • the power amplifier circuit 30 is a power tube Q4, and the common end formed by the emitter of the first transistor and the emitter of the third transistor is connected to the power tube.
  • the input signal is current or voltage
  • voltage regulation and power amplifier After amplification, voltage regulation and power amplifier, generate current or voltage signals that comply with high-voltage power distribution boxes or other electronic components, and output them to high-voltage power distribution boxes or other electronic components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

本发明公开了一种电子开关功放电路,该电路包括放大电路、稳压电路和功放电路,所述放大电路通过稳压电路与功放电路电连接,输入信号经过放大电路、稳压电路和功放电路后得到符合配电箱工作要求的电压;本发明包括放大电路、稳压电路和功放电路,输入信号经过放大电路、稳压电路和功放电路后得到符合配电箱工作要求的电压;使用放大电路、稳压电路和功放电路替换原配电箱的电子元器件,使得产品的体积小、寿命长、稳定性高。

Description

电子幵关功放电路
技术领域
[0001] 本发明涉及电动汽车领域, 具体涉及一种电动汽车高压配电盒用电子幵关功放 电路。
背景技术
[0002] 目前, 具有零排放无污染的新能源汽车已经越来越受到各国重视。 高压配电盒 是新能源汽车内电气控制器件的重要组成部分, 其性能优劣将直接影响整车性 能的好坏。 然而, 现有技术中, 绝大多数的电动汽车高压配电盒的内部线路结 构都采用高压直流接触器、 铜排和线缆连接的方式构成, 普遍存在高压配电盒 体积大、 占据较大的整车空间、 重量重、 装配工艺复杂的缺陷、 安全稳定性差 的问题。
技术问题
[0003] 现有技术中, 最新型的一种使用 PCB板走线的电动汽车高压配电盒, 则采用 PC
B板代替了上述技术中高压配电盒的铜排、 线缆结构, 高低压线路集成于 PCB板 上, 优化了箱体内高低压线束布局, 减小了箱体体积。
[0004] 但是, 由于该使用 PCB板走线的电动汽车高压配电盒使用了体积大、 成本高、 寿命短的高压直流接触器。
问题的解决方案
技术解决方案
[0005] 针对上述技术中存在的不足之处, 本发明提供的电子幵关功放电路将输入电压 信号经过放大、 稳压和功放后得到符合配电箱工作要求的电压; 使用放大电路 、 稳压电路和功放替换原配电箱的电子元器件, 使得产品的体积小、 寿命长、 稳定性高。
[0006] 为实现上述目的, 本发明提供一种电子幵关功放电路, 包括放大电路、 稳压电 路和功放电路, 所述放大电路通过稳压电路与功放电路电连接, 输入信号依次 通过放大电路的放大、 稳压电路稳压和功放电路后得到所需要的输出信号。 [0007] 其中, 所述放大电路包括第一三极管、 第二三极管和第三三极管; 输入信号通 过第一电阻连接第一三极管的基极, 所述第一三极管的集电极通过第二电阻连 接第二三极管的集电极, 所述第二三极管的基极与第三三极管的基极连接, 所 述第二三极管的发射极与第三三极管的集电极连接, 所述第三三极管的发射极 与第一三极管的发射极连接。
[0008] 其中, 所述稳压电路包括第三电阻、 第四电阻、 第五电阻、 电容、 第一二极管 、 第二二极管和稳压管; 所述第二电阻与第二三极管的集电极的公共端通过第 三电阻连接第四电阻的一端, 所述第二三极管的发射极与第三三极管的集电极 的公共端通过第五电阻分别连接功放电路和第二二极管的负极, 所述第四电阻 的一端分别连接电容的一端和第一二极管的负极, 所述第一二极管的正极分别 连接稳压管的一端和第二二极管的正极; 且所述第四电阻、 电容和稳压管的另 一端均连接低电平。
[0009] 其中, 所述功放电路为功率管, 所述第一三极管的发射极和第三三极管的发射 极所形成的公共端连接至功率管。
发明的有益效果
有益效果
[0010] 本发明的有益效果是: 与现有技术相比, 本发明提供的电子幵关功放电路包括 放大电路、 稳压电路和功放电路, 输入信号经过放大电路、 稳压电路和功放电 路后得到符合配电箱工作要求的电压; 使用放大电路、 稳压电路和功放电路替 换原配电箱的电子元器件, 使得产品的体积小、 寿命长、 稳定性高。
对附图的简要说明
附图说明
[0011] 图 1为本发明的电子幵关功放电路的电路原理图。
[0012] 主要元件符号说明如下:
[0013] 10、 放大电路 20、 稳压电路
[0014] 30、 功放电路。 本发明的实施方式
[0015] 为了更清楚地表述本发明, 下面结合附图对本发明作进一步地描述。
[0016] 请参阅图 1, 本发明提供的电子幵关功放电路, 包括放大电路 10、 稳压电路 20 和功放电路 30, 放大电路 10通过稳压电路 20与功放电路 30电连接, 输入信号依 次通过放大电路 10的放大、 稳压电路稳压 20和功放电路 30功放后得到所需要的 输出信号。
[0017] 相较于现有技术的情况, 本发明提供的电子幵关功放电路包括放大电路 10、 稳 压电路 20和功放电路 30, 输入信号经过放大电路 10、 稳压电路 20和功放电路 30 后得到符合配电箱工作要求的电压; 使用放大电路 10、 稳压电路 20和功放电路 3 0替换原配电箱的电子元器件, 使得产品的体积小、 寿命长、 稳定性高。
[0018] 在本实施例中, 放大电路 10包括第一三极管 Ql、 第二三极管 Q2和第三三极管 Q 3; 输入信号通过第一电阻 R1连接第一三极管的基极, 第一三极管的集电极通过 第二电阻 R2连接第二三极管的集电极, 第二三极管的基极与第三三极管的基极 连接, 第二三极管的发射极与第三三极管的集电极连接, 第三三极管的发射极 与第一三极管的发射极连接。 放大电路并不局限于包括三个三极管, 还可以有 单个三极管或其他数量的三极管。 放大电路并不局限于上述的实施方式, 还可 以是其他具体的电路, 如果是对其他电路的改变, 均属于本案的简单变形或变 换, 落入本案的保护范围内。
[0019] 在本实施例中, 稳压电路 20包括第三电阻 R3、 第四电阻 R4、 第五电阻 R5、 电 容 、 第一二极管 Dl、 第二二极管 D2和稳压管 Z; 第二电阻与第二三极管的集电 极的公共端通过第三电阻连接第四电阻的一端, 第二三极管的发射极与第三三 极管的集电极的公共端通过第五电阻分别连接功放电路和第二二极管的负极, 第四电阻的一端分别连接电容的一端和第一二极管的负极, 第一二极管的正极 分别连接稳压管的一端和第二二极管的正极; 且第四电阻、 电容和稳压管的另 一端均连接低电平 VL。
[0020] 在本实施例中, 功放电路 30为功率管 Q4, 第一三极管的发射极和第三三极管的 发射极所形成的公共端连接至功率管。 另外, 本发明的技术方案并不局限于用 在高压配电盒上, 还可以用在其他电子元件上。 输入的信号为电流或电压, 经 过放大、 稳压和功放后生成符合高压配电盒或其他电子元件的电流或电压信号 , 输出给高压配电盒或其他电子元件使用。
以上公幵的仅为本发明的几个具体实施例, 但是本发明并非局限于此, 任何本 领域的技术人员能思之的变化都应落入本发明的保护范围。

Claims

权利要求书
一种电子幵关功放电路, 其特征在于, 包括放大电路、 稳压电路和功 放电路, 所述放大电路通过稳压电路与功放电路电连接, 输入信号依 次通过放大电路的放大、 稳压电路稳压和功放电路后得到所需要的输 出信号。
根据权利要求 1所述的电子幵关功放电路, 其特征在于, 所述放大电 路包括第一三极管、 第二三极管和第三三极管; 输入信号通过第一电 阻连接第一三极管的基极, 所述第一三极管的集电极通过第二电阻连 接第二三极管的集电极, 所述第二三极管的基极与第三三极管的基极 连接, 所述第二三极管的发射极与第三三极管的集电极连接, 所述第 三三极管的发射极与第一三极管的发射极连接。
根据权利要求 2所述的电子幵关功放电路, 其特征在于, 所述稳压电 路包括第三电阻、 第四电阻、 第五电阻、 电容、 第一二极管、 第二二 极管和稳压管; 所述第二电阻与第二三极管的集电极的公共端通过第 三电阻连接第四电阻的一端, 所述第二三极管的发射极与第三三极管 的集电极的公共端通过第五电阻分别连接功放电路和第二二极管的负 极, 所述第四电阻的一端分别连接电容的一端和第一二极管的负极, 所述第一二极管的正极分别连接稳压管的一端和第二二极管的正极; 且所述第四电阻、 电容和稳压管的另一端均连接低电平。
根据权利要求 2所述的电子幵关功放电路, 其特征在于, 所述功放电 路为功率管, 所述第一三极管的发射极和第三三极管的发射极所形成 的公共端连接至功率管。
PCT/CN2017/087071 2017-03-10 2017-06-02 电子开关功放电路 WO2018161449A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710143079.7A CN106788296A (zh) 2017-03-10 2017-03-10 电子开关功放电路
CN201710143079.7 2017-03-10

Publications (1)

Publication Number Publication Date
WO2018161449A1 true WO2018161449A1 (zh) 2018-09-13

Family

ID=58962188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/087071 WO2018161449A1 (zh) 2017-03-10 2017-06-02 电子开关功放电路

Country Status (2)

Country Link
CN (1) CN106788296A (zh)
WO (1) WO2018161449A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106788296A (zh) * 2017-03-10 2017-05-31 深圳市品川能源电气有限公司 电子开关功放电路

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562426A (zh) * 2008-04-18 2009-10-21 鸿富锦精密工业(深圳)有限公司 功率放大电路
CN102840920A (zh) * 2012-08-03 2012-12-26 中国科学院空间科学与应用研究中心 用于微波辐射计的偏置电路和温度补偿低频放大电路
CN203522658U (zh) * 2013-11-12 2014-04-02 成都川联盛科技有限公司 新型简易式功率放大电路
CN106788296A (zh) * 2017-03-10 2017-05-31 深圳市品川能源电气有限公司 电子开关功放电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000114887A (ja) * 1998-10-05 2000-04-21 Nec Eng Ltd 半導体集積回路
CN203827300U (zh) * 2014-02-24 2014-09-10 恩平市金马士音频设备有限公司 一种接地集电极输出功放电路
JP2015207977A (ja) * 2014-04-23 2015-11-19 三菱電機株式会社 電力増幅器
CN105375884A (zh) * 2015-11-24 2016-03-02 宁波柏人艾电子有限公司 一种音箱功放电路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562426A (zh) * 2008-04-18 2009-10-21 鸿富锦精密工业(深圳)有限公司 功率放大电路
CN102840920A (zh) * 2012-08-03 2012-12-26 中国科学院空间科学与应用研究中心 用于微波辐射计的偏置电路和温度补偿低频放大电路
CN203522658U (zh) * 2013-11-12 2014-04-02 成都川联盛科技有限公司 新型简易式功率放大电路
CN106788296A (zh) * 2017-03-10 2017-05-31 深圳市品川能源电气有限公司 电子开关功放电路

Also Published As

Publication number Publication date
CN106788296A (zh) 2017-05-31

Similar Documents

Publication Publication Date Title
CN108181965A (zh) 一种流限值可调的过流保护电路
CN104393760B (zh) 具有短路保护功能的正负输出低压差调整电路
WO2018161449A1 (zh) 电子开关功放电路
CN208589920U (zh) 一种隔离型宽范围稳压电源电路
CN104469605A (zh) 具音频控制电路的电子装置
CN104218529A (zh) 电源转换电路及电子装置
US20140307352A1 (en) Overvoltage protection circuit
CN204597447U (zh) 一种用于电气柜的带自锁的过流保护模块
CN202663531U (zh) 带高低音调节的功放装置
CN102694456A (zh) 驱动电压自动切换电路
CN104639057A (zh) 用于计算机的结构简单的音频放大电路
CN217787677U (zh) 一种电源测试的瞬态负载生成电路
CN202172391U (zh) 开路式消音电路、消音装置和电器设备
TW201608796A (zh) 交換式充電電路
CN203435135U (zh) 一种功放系统及其开关电源、音箱
CN219499362U (zh) 一种双通道高频模拟信号精密增益控制和快速关断电路
CN204925859U (zh) 一种串联式开关控制稳压电源装置
CN203872041U (zh) 一种控制风扇工作的电路及具有该电路的光伏逆变器
CN103475346B (zh) 一种复管式自保持式固体继电器
CN219395095U (zh) 一种自平衡恒流输出单元电路
CN104111713A (zh) 电压保护电路
CN219372280U (zh) 一种可降低静态功耗的稳压电路
CN206348895U (zh) 一种计算机机箱内部起火报警器
CN108120871A (zh) 一种低失调电压比较器
CN210865629U (zh) 一种用于固态存储装置的电源保护结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17899751

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 13.01.2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17899751

Country of ref document: EP

Kind code of ref document: A1