CN106788296A - Electronic switch power amplifier - Google Patents
Electronic switch power amplifier Download PDFInfo
- Publication number
- CN106788296A CN106788296A CN201710143079.7A CN201710143079A CN106788296A CN 106788296 A CN106788296 A CN 106788296A CN 201710143079 A CN201710143079 A CN 201710143079A CN 106788296 A CN106788296 A CN 106788296A
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- triode
- resistance
- circuit
- diode
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
Abstract
The invention discloses a kind of electronic switch power amplifier, the circuit includes amplifying circuit, mu balanced circuit and power amplifier, the amplifying circuit is electrically connected by mu balanced circuit with power amplifier, and input signal is by obtaining meeting the voltage of distribution box job requirement after amplifying circuit, mu balanced circuit and power amplifier；The present invention includes amplifying circuit, mu balanced circuit and power amplifier, and input signal is by obtaining meeting the voltage of distribution box job requirement after amplifying circuit, mu balanced circuit and power amplifier；The electronic component of first wife's electronic box is replaced using amplifying circuit, mu balanced circuit and power amplifier so that the small volume of product, long lifespan, stability are high.
Description
Technical field
The present invention relates to electric automobile field, and in particular to a kind of electric automobile high-voltage block terminal electronic switch power amplifier electricity
Road.
Background technology
At present, the new-energy automobile with Zero-discharge non-pollution is increasingly paid attention to by various countries.High voltage distribution box is
The important component of electrical control device in new-energy automobile, its performance quality will directly affect the quality of vehicle performance.So
And, in the prior art, the internal wiring structure of most of electric automobile high-voltage block terminal all using high-voltage DC contactor,
Copper bar and the mode of cable connection are constituted, generally existing high voltage distribution box volume is big, occupy larger vehicle space, weight weight,
The problem of the complicated defect of assembly technology, security and stability difference.
In the prior art, the electric automobile high-voltage block terminal of state-of-the art a kind of use pcb board cabling, then using pcb board
Copper bar, the cable structure of above-mentioned technology mesohigh block terminal are instead of, high- and low-voltage circuit is integrated on pcb board, optimizes casing
Interior high-low pressure wire harness layout, reduces box volume.
But, because this has used big volume, high cost, life-span using the electric automobile high-voltage block terminal of pcb board cabling
Short high-voltage DC contactor so that the electric automobile high-voltage block terminal still exist excessive volume, high cost, short life lack
Fall into.
The content of the invention
For weak point present in above-mentioned technology, the electronic switch power amplifier that the present invention is provided believes input voltage
Obtain meeting the voltage of distribution box job requirement number by amplifying, after voltage stabilizing and power amplifier；Use amplifying circuit, mu balanced circuit and work(
Put the electronic component for replacing first wife's electronic box so that the small volume of product, long lifespan, stability are high.
To achieve the above object, the present invention provides a kind of electronic switch power amplifier, including amplifying circuit, mu balanced circuit and
Power amplifier, the amplifying circuit is electrically connected by mu balanced circuit with power amplifier, and input signal passes sequentially through amplifying circuit
Required output signal is obtained after amplification, mu balanced circuit voltage stabilizing and power amplifier.
Wherein, the amplifying circuit includes the first triode, the second triode and the 3rd triode；Input signal is by the
One resistance connects the base stage of the first triode, and the colelctor electrode of first triode connects the second triode by second resistance
Colelctor electrode, the base stage of second triode is connected with the base stage of the 3rd triode, the emitter stage of second triode and
The colelctor electrode connection of three triodes, the emitter stage of the 3rd triode is connected with the emitter stage of the first triode.
Wherein, the mu balanced circuit includes 3rd resistor, the 4th resistance, the 5th resistance, electric capacity, the first diode, second
Diode and voltage-stabiliser tube；The second resistance is connected the 4th electricity with the common port of the colelctor electrode of the second triode by 3rd resistor
One end of resistance, the emitter stage of second triode is connected respectively with the common port of the colelctor electrode of the 3rd triode by the 5th resistance
The negative pole of power amplifier and the second diode is connect, one end of the 4th resistance connects one end and first diode of electric capacity respectively
Negative pole, the positive pole of first diode connects one end of voltage-stabiliser tube and the positive pole of the second diode respectively；And the described 4th
The other end of resistance, electric capacity and voltage-stabiliser tube is all connected with low level.
Wherein, the power amplifier is power tube, the emitter stage of first triode and the emitter stage of the 3rd triode
The common port for being formed is connected to power tube.
The beneficial effects of the invention are as follows：Compared with prior art, the electronic switch power amplifier that the present invention is provided includes putting
Big circuit, mu balanced circuit and power amplifier, input signal are matched somebody with somebody by obtaining meeting after amplifying circuit, mu balanced circuit and power amplifier
The voltage of electronic box job requirement；The electronic component of first wife's electronic box is replaced using amplifying circuit, mu balanced circuit and power amplifier, is made
The small volume of product, long lifespan, stability are high.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of electronic switch power amplifier of the invention.
Main element symbol description is as follows：
10th, amplifying circuit 20, mu balanced circuit
30th, power amplifier.
Specific embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Refer to Fig. 1, the electronic switch power amplifier that the present invention is provided, including amplifying circuit 10, mu balanced circuit 20 and work(
Electric discharge road 30, amplifying circuit 10 is electrically connected by mu balanced circuit 20 with power amplifier 30, and input signal passes sequentially through amplifying circuit
Required output signal is obtained after 10 amplification, mu balanced circuit voltage stabilizing 20 and the power amplifier of power amplifier 30.
Compared to the situation of prior art, the electronic switch power amplifier that the present invention is provided includes amplifying circuit 10, voltage stabilizing
Circuit 20 and power amplifier 30, input signal are matched somebody with somebody by obtaining meeting after amplifying circuit 10, mu balanced circuit 20 and power amplifier 30
The voltage of electronic box job requirement；The electronics unit of first wife's electronic box is replaced using amplifying circuit 10, mu balanced circuit 20 and power amplifier 30
Device so that the small volume of product, long lifespan, stability are high.
In the present embodiment, amplifying circuit 10 includes the first triode Q1, the second triode Q2 and the 3rd triode Q3；It is defeated
Enter the base stage that signal connects the first triode by first resistor R1, the colelctor electrode of the first triode is connected by second resistance R2
The colelctor electrode of the second triode, the base stage of the second triode is connected with the base stage of the 3rd triode, the emitter stage of the second triode
Colelctor electrode with the 3rd triode is connected, and the emitter stage of the 3rd triode is connected with the emitter stage of the first triode.Amplifying circuit
It is not limited to include three triodes, there can also be the triode of single triode or other quantity.Amplifying circuit not office
It is limited to above-mentioned implementation method, can also be other specific circuits, if the change to other circuits, belongs to this case
Simple deformation or conversion, fall into the protection domain of this case.
In the present embodiment, mu balanced circuit 20 includes 3rd resistor R3, the 4th resistance R4, the 5th resistance R5, electric capacity C, the
One diode D1, the second diode D2 and voltage-stabiliser tube Z；Second resistance passes through the 3rd with the common port of the colelctor electrode of the second triode
The common port of the colelctor electrode of one end of resistance the 4th resistance of connection, the emitter stage of the second triode and the 3rd triode passes through the 5th
Resistance connects the negative pole of power amplifier and the second diode respectively, and one end of the 4th resistance connects one end and first of electric capacity respectively
The negative pole of diode, the positive pole of the first diode connects one end of voltage-stabiliser tube and the positive pole of the second diode respectively；And the 4th electricity
The other end of resistance, electric capacity and voltage-stabiliser tube is all connected with low level VL.
In the present embodiment, power amplifier 30 is the hair of power tube Q4, the emitter stage of the first triode and the 3rd triode
The common port that emitter-base bandgap grading is formed is connected to power tube.In addition, technical scheme is not limited to be used in high voltage distribution box
On, may be also used on other electronic components.The signal of input is curtage, by being generated after amplification, voltage stabilizing and power amplifier
Meet high voltage distribution box or the curtage signal of other electronic components, export makes to high voltage distribution box or other electronic components
With.
Disclosed above is only several specific embodiments of the invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (4)
1. a kind of electronic switch power amplifier, it is characterised in that described to put including amplifying circuit, mu balanced circuit and power amplifier
Big circuit is electrically connected by mu balanced circuit with power amplifier, and it is steady that input signal passes sequentially through the amplification of amplifying circuit, mu balanced circuit
Required output signal is obtained after pressure and power amplifier.
2. electronic switch power amplifier according to claim 1, it is characterised in that the amplifying circuit includes the one or three pole
Pipe, the second triode and the 3rd triode；Input signal connects the base stage of the first triode, the described 1st by first resistor
The colelctor electrode of pole pipe connects the colelctor electrode of the second triode, base stage and the three or three pole of second triode by second resistance
The base stage connection of pipe, the emitter stage of second triode is connected with the colelctor electrode of the 3rd triode, the 3rd triode
Emitter stage is connected with the emitter stage of the first triode.
3. electronic switch power amplifier according to claim 2, it is characterised in that the mu balanced circuit includes the 3rd electricity
Resistance, the 4th resistance, the 5th resistance, electric capacity, the first diode, the second diode and voltage-stabiliser tube；The second resistance and the two or three
The common port of the colelctor electrode of pole pipe passes through one end that 3rd resistor connects the 4th resistance, the emitter stage of second triode and the
The common port of the colelctor electrode of three triodes connects the negative pole of power amplifier and the second diode respectively by the 5th resistance, and described the
One end of four resistance connects one end of electric capacity and the negative pole of the first diode respectively, and the positive pole of first diode is connected respectively
One end of voltage-stabiliser tube and the positive pole of the second diode；And the other end of the 4th resistance, electric capacity and voltage-stabiliser tube is all connected with low electricity
It is flat.
4. electronic switch power amplifier according to claim 2, it is characterised in that the power amplifier is power tube, institute
The common port that the emitter stage of the emitter stage and the 3rd triode of stating the first triode is formed is connected to power tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143079.7A CN106788296A (en) | 2017-03-10 | 2017-03-10 | Electronic switch power amplifier |
| PCT/CN2017/087071 WO2018161449A1 (en) | 2017-03-10 | 2017-06-02 | Electronic switch power amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143079.7A CN106788296A (en) | 2017-03-10 | 2017-03-10 | Electronic switch power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106788296A true CN106788296A (en) | 2017-05-31 |
Family
ID=58962188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143079.7A Pending CN106788296A (en) | 2017-03-10 | 2017-03-10 | Electronic switch power amplifier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106788296A (en) |
| WO (1) | WO2018161449A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161449A1 (en) * | 2017-03-10 | 2018-09-13 | 深圳市品川能源电气有限公司 | Electronic switch power amplifier circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000114887A (en) * | 1998-10-05 | 2000-04-21 | Nec Eng Ltd | Semiconductor integrated circuit |
| CN203827300U (en) * | 2014-02-24 | 2014-09-10 | 恩平市金马士音频设备有限公司 | Grounded collector output power amplifier circuit |
| JP2015207977A (en) * | 2014-04-23 | 2015-11-19 | 三菱電機株式会社 | power amplifier |
| CN105375884A (en) * | 2015-11-24 | 2016-03-02 | 宁波柏人艾电子有限公司 | Loudspeaker box power amplification circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562426A (en) * | 2008-04-18 | 2009-10-21 | 鸿富锦精密工业（深圳）有限公司 | Power amplification circuit |
| CN102840920A (en) * | 2012-08-03 | 2012-12-26 | 中国科学院空间科学与应用研究中心 | Biasing circuit and temperature compensation low-frequency amplification circuit for microwave radiometer |
| CN203522658U (en) * | 2013-11-12 | 2014-04-02 | 成都川联盛科技有限公司 | Novel, simple power amplifier circuit |
| CN106788296A (en) * | 2017-03-10 | 2017-05-31 | 深圳市品川能源电气有限公司 | Electronic switch power amplifier |
-
2017
- 2017-03-10 CN CN201710143079.7A patent/CN106788296A/en active Pending
- 2017-06-02 WO PCT/CN2017/087071 patent/WO2018161449A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000114887A (en) * | 1998-10-05 | 2000-04-21 | Nec Eng Ltd | Semiconductor integrated circuit |
| CN203827300U (en) * | 2014-02-24 | 2014-09-10 | 恩平市金马士音频设备有限公司 | Grounded collector output power amplifier circuit |
| JP2015207977A (en) * | 2014-04-23 | 2015-11-19 | 三菱電機株式会社 | power amplifier |
| CN105375884A (en) * | 2015-11-24 | 2016-03-02 | 宁波柏人艾电子有限公司 | Loudspeaker box power amplification circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161449A1 (en) * | 2017-03-10 | 2018-09-13 | 深圳市品川能源电气有限公司 | Electronic switch power amplifier circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018161449A1 (en) | 2018-09-13 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |