CN102176282B - Power amplification device for power carrier system and power carrier system - Google Patents

Power amplification device for power carrier system and power carrier system Download PDF

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Publication number
CN102176282B
CN102176282B CN 201110032526 CN201110032526A CN102176282B CN 102176282 B CN102176282 B CN 102176282B CN 201110032526 CN201110032526 CN 201110032526 CN 201110032526 A CN201110032526 A CN 201110032526A CN 102176282 B CN102176282 B CN 102176282B
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amplifying unit
phase
positive
input signal
unit
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Expired - Fee Related
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CN 201110032526
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Chinese (zh)
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CN102176282A (en
Inventor
郑上升
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SHENZHEN JINHONGWEI TECHNOLOGY CO LTD
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Publication of CN102176282A publication Critical patent/CN102176282A/en
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Abstract

The invention is applied in the field of power carrier systems, and provides a power amplification device for the power carrier system and the power carrier system. The power amplification device is characterized by comprising a normal phase amplification unit, an opposite phase amplification unit and a superposition unit, wherein the normal phase amplification unit is used for performing normal phase amplification on an input signal; the opposite phase amplification unit is used for performing opposite phase amplification on the input signal; and the superposition unit is connected with the normal phase amplification unit and the opposite phase amplification unit respectively, and is used for superposing the signal normal phase-amplified by the normal phase amplification unit and the signal opposite phase-amplified by the opposite phase amplification unit, and outputting an output signal of which amplitude is twice that of the input signal. The power amplification device outputs the output signal of which the amplitude is twice that of the input signal by the normal phase amplification unit, the opposite phase amplification unit and the superposition unit, thereby making longer a transmission distance of the power carrier system and making more reliable the transmission of the power carrier system.

Description

The power amplifier device and the carrier wave system that are used for carrier wave system
Technical field
The invention belongs to the carrier wave system field, relate in particular to a kind of power amplifier device for carrier wave system and carrier wave system.
Background technology
Carrier wave system mainly comprises webmaster, carrier terminal equipment, coupling mechanism and high pressure housing etc., at present, carrier wave system adopts line of electric force as transmission channel, does not therefore need additionally to increase track investment, has economy, the characteristics such as stable, reliable, survivable.
Wherein, the transmission range that how to improve carrier wave system is still a problem in the urgent need to address.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of power amplifier device for carrier wave system, is intended to improve the transmission range of carrier wave system.
The embodiment of the present invention is achieved in that a kind of power amplifier device for carrier wave system, comprising:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal.
The embodiment of the present invention also provides a kind of carrier wave system, comprises the power amplifier device for carrier wave system, and described power amplifier device comprises:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal.
The embodiment of the present invention compared with prior art, beneficial effect is: by positive amplifying unit, anti-phase amplifying unit, and superpositing unit, output amplitude is the output signal of the twice amplitude of input signal, thereby can make the transmission range of carrier wave system farther, more reliable.
Description of drawings
Fig. 1 is the structural representation of the power amplifier device that is used for carrier wave system that provides of the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In the embodiment of the present invention, by positive amplifying unit, anti-phase amplifying unit, and superpositing unit, output amplitude is the output signal of the twice amplitude of input signal, thereby can make the transmission range of carrier wave system farther, more reliable.
A kind of power amplifier device for carrier wave system comprises:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal.
A kind of carrier wave system comprises the power amplifier device for carrier wave system, and described power amplifier device comprises:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal.
Below be elaborated respectively.
See also Fig. 1, the power amplifier device that is used for carrier wave system that the embodiment of the present invention provides comprises:
Positive amplifying unit 101 is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit 102 is used for input signal is carried out anti-phase amplification;
With positive amplifying unit 101 be connected the superpositing unit 105 that amplifying unit 102 is connected respectively, signal after being used for positive amplifying unit 101 positives are amplified and the signal after the anti-phase amplification of anti-phase amplifying unit 102 superpose, and output amplitude is the output signal of the twice amplitude of input signal.
In inventive embodiments, by positive amplifying unit 101, anti-phase amplifying unit 102, and superpositing unit 105, output amplitude is the output signal of the twice amplitude of input signal, thereby can make the transmission range of carrier wave system farther, more reliable.
In embodiments of the present invention, should be used for the power amplifier device of carrier wave system, also comprise:
With positive amplifying unit 101 be connected the phase-locking control module 103 that amplifying unit 102 is connected respectively, be used for the phase place of synchronous positive amplifying unit 101 and anti-phase amplifying unit 102.
Phase place by synchronous positive amplifying unit 101 and anti-phase amplifying unit 102 can reduce the phase distortion of output signal.
In embodiments of the present invention, phase-locking control module 103 is also for the enlargement factor of controlling synchronous positive amplifying unit 101 and anti-phase amplifying unit 102.Thereby can effectively improve the integrality of output signal.The integrality of output signal is better, and transmission performance is just more reliable and more stable, and transmission range is just farther.
In embodiments of the present invention, should be used for the power amplifier device of carrier wave system, also comprise:
With positive amplifying unit 101 be connected the detection control unit 104 that amplifying unit 102 is connected respectively, for detection of whether input signal being arranged, when there is no input signal, control positive amplifying unit 101 and anti-phase amplifying unit 102 is in power-down state.
In embodiments of the present invention, detection control unit 104 also is used for when input signal is arranged, and controls positive amplifying unit 101 and anti-phase amplifying unit 102 is in running order.
By detection control unit 104, the loss of positive amplifying unit 101 and anti-phase amplifying unit 102 can be reduced more than 50%, and the thermal value of carrier wave system effectively can be reduced to more than 60%, effectively saved energy loss.
In embodiments of the present invention, carrier wave system is specially the medium voltage electricity carrier system.
The embodiment of the present invention also provides a kind of carrier wave system, and this carrier wave system comprises the above-mentioned power amplifier device that is used for carrier wave system.
In embodiments of the present invention, carrier wave system is specially the medium voltage electricity carrier system.
Power amplifier device and carrier wave system for carrier wave system of the present invention, by positive amplifying unit 101, anti-phase amplifying unit 102, and superpositing unit 105, output amplitude is the output signal of the twice amplitude of input signal, thereby can make the transmission range of carrier wave system farther, more reliable.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.

Claims (2)

1. a power amplifier device that is used for carrier wave system, is characterized in that, comprising:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal;
With described positive amplifying unit be connected the phase-locking control module that amplifying unit is connected respectively, the phase place that is used for synchronous positive amplifying unit and anti-phase amplifying unit, described phase-locking control module also are used for controlling the enlargement factor of synchronous described positive amplifying unit and anti-phase amplifying unit;
With described positive amplifying unit be connected the detection control unit that amplifying unit is connected respectively, for detection of whether input signal is arranged, when there is no input signal, control the positive amplifying unit and anti-phase amplifying unit is in power-down state, when input signal is arranged, control described positive amplifying unit and anti-phase amplifying unit in running order.
2. a carrier wave system, is characterized in that, comprises the power amplifier device for carrier wave system, and described power amplifier device comprises:
The positive amplifying unit is used for that input signal is carried out positive and amplifies;
Anti-phase amplifying unit is used for input signal is carried out anti-phase amplification;
With described positive amplifying unit be connected the superpositing unit that amplifying unit is connected respectively, signal after being used for positive amplifying unit positive is amplified and the signal after the anti-phase amplification of anti-phase amplifying unit superpose, and output amplitude is the output signal of the twice amplitude of input signal;
With described positive amplifying unit be connected the phase-locking control module that amplifying unit is connected respectively, the phase place that is used for synchronous positive amplifying unit and anti-phase amplifying unit, described phase-locking control module also are used for controlling the enlargement factor of synchronous described positive amplifying unit and anti-phase amplifying unit;
With described positive amplifying unit be connected the detection control unit that amplifying unit is connected respectively, for detection of whether input signal is arranged, when there is no input signal, control the positive amplifying unit and anti-phase amplifying unit is in power-down state, when input signal is arranged, control described positive amplifying unit and anti-phase amplifying unit in running order.
CN 201110032526 2011-01-28 2011-01-28 Power amplification device for power carrier system and power carrier system Expired - Fee Related CN102176282B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110032526 CN102176282B (en) 2011-01-28 2011-01-28 Power amplification device for power carrier system and power carrier system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110032526 CN102176282B (en) 2011-01-28 2011-01-28 Power amplification device for power carrier system and power carrier system

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CN102176282A CN102176282A (en) 2011-09-07
CN102176282B true CN102176282B (en) 2013-05-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461022A (en) * 1982-05-04 1984-07-17 Slagley Michael W Expandable bandwidth compression and restoration system
US4852160A (en) * 1987-03-03 1989-07-25 Kiko Frederick J Channel unit interface circuit
CN1996775A (en) * 2006-10-10 2007-07-11 东南大学 Direct modulating transmitter and direct modulation method in the power carrier communication system
CN101262213A (en) * 2007-03-07 2008-09-10 恩益禧电子股份有限公司 Input signal detecting circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461022A (en) * 1982-05-04 1984-07-17 Slagley Michael W Expandable bandwidth compression and restoration system
US4852160A (en) * 1987-03-03 1989-07-25 Kiko Frederick J Channel unit interface circuit
CN1996775A (en) * 2006-10-10 2007-07-11 东南大学 Direct modulating transmitter and direct modulation method in the power carrier communication system
CN101262213A (en) * 2007-03-07 2008-09-10 恩益禧电子股份有限公司 Input signal detecting circuit

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Address after: 518057 Guangdong province Shenzhen city Nanshan District high tech Zone Xinjiu Tao Wei new software park 8 Building 7 floor

Applicant after: Shenzhen Jinhongwei Technology Co.,Ltd.

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Address after: 518000 Guangdong city of Shenzhen province Nanshan District South Road No. 9 nine Wei new software park building 8 floor 701-712 room 7

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