CN203788282U - Power line carrier amplification circuit in power system - Google Patents
Power line carrier amplification circuit in power system Download PDFInfo
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- CN203788282U CN203788282U CN201420210434.XU CN201420210434U CN203788282U CN 203788282 U CN203788282 U CN 203788282U CN 201420210434 U CN201420210434 U CN 201420210434U CN 203788282 U CN203788282 U CN 203788282U
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- resistance
- triode
- amplifier
- diode
- electric capacity
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Abstract
The utility model discloses a power line carrier amplification circuit in a power system. The power line carrier amplification circuit comprises a first resistor through an eleventh resistor, a first triode through a sixth triode, a first capacitor, a second capacitor, a first diode, a second diode, an amplifier, a potentiometer, and a power supply. According to the power line carrier amplification circuit in a power system, an inputted signal is filtered by the first capacitor and then is inputted into the inverting input end of the amplifier. Processed by the amplifier, the inputted signal is filtered by the second capacitor and then is loaded to the third triode. An output enable signal is loaded to the base electrode of the sixth triode so as to control the conduction degree of the sixth triode such that the inputted signal is amplified. The power line carrier amplification circuit may decrease carrier signal attenuation caused by a power line and prolongs the transmission distance of a carrier signal.
Description
Technical field
The utility model relates to a kind of carrier wave amplifying circuit, relates in particular to a kind of power carrier amplifying circuit of electric power system.
Background technology
Power carrier is the distinctive communication mode of electric power system, power carrier communication refers to and utilizes existing power line, by carrier system, analog or digital signal is carried out to the technology of high-speed transfer, maximum feature is not need again to set up network, as long as live wire, just can carry out data transmission, but distribution transformer has iris action to power carrier signal, so power carrier signal can only transmit in a distribution transformer regional extent, and power line causes high reduction to carrier signal, when on power line, load is very heavy, line impedance can reach below 1 ohm, cause the height of carrier signal is cut down, be unfavorable for the transmission of power carrier.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of power carrier amplifying circuit of electric power system.
The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of power carrier amplifying circuit of electric power system, comprise the first resistance to the 11 resistance, the first triode to the six triodes, the first electric capacity, the second electric capacity, the first diode, the second diode, amplifier, potentiometer and power supply, the first end of described the first resistance respectively with the positive pole of described power supply, the cathode voltage input of described amplifier, the first end of described the 4th resistance, the emitter of described the first triode, the collector electrode of described the second triode is connected with the collector electrode of described the 3rd triode, the second end of described the first resistance is connected with the first end of described the second resistance and the in-phase input end of described amplifier respectively, the inverting input of described amplifier is connected with described the 3rd first end of resistance and the first end of described potentiometer respectively, the second end of described the 3rd resistance is connected with the first end of described the first electric capacity, the second end of described the first electric capacity is signal input part, the second end of described potentiometer respectively with the sliding end of described potentiometer, the output of described amplifier is connected with the first end of described the second electric capacity, the second end of described the second electric capacity is that negative pole is connected with the positive pole of described the second diode with described the first diode respectively, the second end of described the 4th resistance is connected with the base stage of described the first triode with the first end of described the 5th resistance respectively, the negative pole of described the second diode is connected with the first end of described the 7th resistance, the second end of described the 7th resistance is connected with the base stage of described the 5th triode with the first end of described the 8th resistance respectively, the collector electrode of described the first triode is connected with the base stage of described the second triode with the positive pole of described the first diode respectively, the emitter of described the second triode is connected with the base stage of described the 3rd triode with the first end of described the 11 resistance respectively, the second end of described the 11 resistance is connected with the emitter of described the 5th triode with the base stage of described the 4th triode respectively, the emitter of described the 3rd triode is connected with the emitter of described the 4th triode, the transmitting of described the 3rd triode is signal output part very, the second end of described the 5th resistance is connected with the collector electrode of described the 6th triode with the second end of described the 8th resistance respectively, the base stage of described the 6th triode is connected with the first end of described the tenth resistance with the first end of described the 9th resistance respectively, the second end of described the 9th resistance is output enable input, the negative pole of described power supply respectively with the second end of described the second resistance, the cathode voltage input of described amplifier, the second end of described the tenth resistance, the emitter of described the 6th triode, the collector electrode of described the 5th triode is connected with the collector electrode of described the 4th triode.
The beneficial effects of the utility model are: the power carrier amplifying circuit of the utility model electric power system by the first electric capacity to the signal filtering of input after the inverting input of input amplifier, after the processing of amplifier, after the filtering by the second electric capacity, be loaded on triode again, base stage at the 6th triode loads output enable, control the conducting amount of the 6th triode, amplify its input signal, use the utility model can reduce the reduction of power line to carrier signal, increase its transmission range.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the power carrier amplifying circuit of the utility model electric power system.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in Figure 1, the power carrier amplifying circuit of the utility model electric power system, comprise the first resistance R 1 to the 11 resistance R 11, the first triode T1 to the six triode T6, the first capacitor C 1, the second capacitor C 2, the first diode D1, the second diode D2, amplifier U, potentiometer RP and power supply E, the first end of the first resistance R 1 respectively with the positive pole of power supply E, the cathode voltage input of amplifier U, the first end of the 4th resistance R 4, the emitter of the first triode T1, the collector electrode of the second triode T2 is connected with the collector electrode of the 3rd triode T3, the second end of the first resistance R 1 is connected with the in-phase input end of amplifier U with the first end of the second resistance R 2 respectively, the inverting input of amplifier U is connected with the first end of potentiometer RP with the first end of the 3rd resistance R 3 respectively, the second end of the 3rd resistance R 3 is connected with the first end of the first capacitor C 1, the second end of the first capacitor C 1 is signal input part, the second end of potentiometer RP respectively with the sliding end of potentiometer RP, the output of amplifier U is connected with the first end of the second capacitor C 2, the second end of the second capacitor C 2 is that negative pole is connected with the positive pole of the second diode D2 with the first diode D1 respectively, the second end of the 4th resistance R 4 is connected with the base stage of the first triode T1 with the first end of the 5th resistance R 5 respectively, the negative pole of the second diode D2 is connected with the first end of the 7th resistance R 7, the second end of the 7th resistance R 7 is connected with the base stage of the 5th triode T5 with the first end of the 8th resistance R 8 respectively, the collector electrode of the first triode T1 is connected with the base stage of the second triode T2 with the positive pole of the first diode D1 respectively, the emitter of the second triode T2 is connected with the base stage of the 3rd triode T3 with the first end of the 11 resistance R 11 respectively, the second end of the 11 resistance R 11 is connected with the emitter of the 5th triode T5 with the base stage of the 4th triode T4 respectively, the emitter of the 3rd triode T3 is connected with the emitter of the 4th triode T4, the transmitting of the 3rd triode T3 is signal output part very, the second end of the 5th resistance R 5 is connected with the collector electrode of the 6th triode T6 with the second end of the 8th resistance R 8 respectively, the base stage of the 6th triode T6 is connected with the first end of the tenth resistance R 10 with the first end of the 9th resistance R 9 respectively, the second end of the 9th resistance R 9 is output enable input, the negative pole of power supply E respectively with the second end of the second resistance R 2, the cathode voltage input of amplifier U, the second end of the tenth resistance R 10, the emitter of the 6th triode T6, the collector electrode of the 5th triode T5 is connected with the collector electrode of the 4th triode T4.
The operation principle of the power carrier amplifying circuit of the utility model electric power system is as follows: the resistance of the first resistance R 1 is 2K Ω, the second resistance R 2 is 1K Ω in resistance, the resistance of the 3rd resistance R 3 is 2K Ω, the resistance of the 4th resistance R 4 is 5K Ω, the resistance of the 5th resistance R 5 is 1.5K Ω, the resistance of the 6th resistance R 6 is 2K Ω, the resistance of the 7th resistance R 7 is 5K Ω, the resistance of the 8th resistance R 8 is 4K Ω, the resistance of the 9th resistance R 9 is 0.5K Ω, the resistance of the tenth resistance R 10 is 1K Ω, the resistance of the 11 resistance R 11 is 10K Ω, the model of the first triode T1 and the 6th triode T6 is IRFU020, the model of the second triode T2 and the 5th triode T5 is IRFP9240, the model of the 3rd triode T3 and the 4th triode T4 is IRFP054, the capacitance of the first capacitor C 1 is 10uF, the capacitance of the second capacitor C 2 is 15uF, the model of the first diode D1 and the second diode D2 is 1N5391, the model of amplifier U is LM382, the model of potentiometer RP is WS19-4.
From the carrier signal on power line, through the first capacitor C 1 and the second capacitor C 2 couplings, filter low frequency, the middle all circuit that consist of the second triode and the 5th triode couple a signal to secondary, here the first triode T1 and the 6th triode T6 play pulse inhibition, suppress bursty interference pulse on power line and moment surge voltage, middle all circuit play coupling, transmission of signal, also play buffer action simultaneously, by forceful electric power and signal circuit isolation, make it not altogether, improve signal antijamming capability.
Amplifying circuit is by the inverting input of input amplifier U after the signal filtering of 1 pair of input of the first capacitor C, after the processing of amplifier U, after the filtering by the second capacitor C 2, be loaded on triode again, base stage at the 6th triode T6 loads output enable, control the conducting amount of the 6th triode T6, amplify its input signal.
Claims (2)
1. the power carrier amplifying circuit of an electric power system, it is characterized in that: comprise the first resistance to the 11 resistance, the first triode to the six triodes, the first electric capacity, the second electric capacity, the first diode, the second diode, amplifier, potentiometer and power supply, the first end of described the first resistance respectively with the positive pole of described power supply, the cathode voltage input of described amplifier, the first end of described the 4th resistance, the emitter of described the first triode, the collector electrode of described the second triode is connected with the collector electrode of described the 3rd triode, the second end of described the first resistance is connected with the first end of described the second resistance and the in-phase input end of described amplifier respectively, the inverting input of described amplifier is connected with described the 3rd first end of resistance and the first end of described potentiometer respectively, the second end of described the 3rd resistance is connected with the first end of described the first electric capacity, the second end of described the first electric capacity is signal input part, the second end of described potentiometer respectively with the sliding end of described potentiometer, the output of described amplifier is connected with the first end of described the second electric capacity, the second end of described the second electric capacity is that negative pole is connected with the positive pole of described the second diode with described the first diode respectively, the second end of described the 4th resistance is connected with the base stage of described the first triode with the first end of described the 5th resistance respectively, the negative pole of described the second diode is connected with the first end of described the 7th resistance, the second end of described the 7th resistance is connected with the base stage of described the 5th triode with the first end of described the 8th resistance respectively, the collector electrode of described the first triode is connected with the base stage of described the second triode with the positive pole of described the first diode respectively, the emitter of described the second triode is connected with the base stage of described the 3rd triode with the first end of described the 11 resistance respectively, the second end of described the 11 resistance is connected with the emitter of described the 5th triode with the base stage of described the 4th triode respectively, the emitter of described the 3rd triode is connected with the emitter of described the 4th triode, the transmitting of described the 3rd triode is signal output part very, the second end of described the 5th resistance is connected with the collector electrode of described the 6th triode with the second end of described the 8th resistance respectively, the base stage of described the 6th triode is connected with the first end of described the tenth resistance with the first end of described the 9th resistance respectively, the second end of described the 9th resistance is output enable input, the negative pole of described power supply respectively with the second end of described the second resistance, the cathode voltage input of described amplifier, the second end of described the tenth resistance, the emitter of described the 6th triode, the collector electrode of described the 5th triode is connected with the collector electrode of described the 4th triode.
2. the power carrier amplifying circuit of electric power system according to claim 1, it is characterized in that: the resistance of described the first resistance is 2K Ω, described the second resistance is 1K Ω in resistance, the resistance of described the 3rd resistance is 2K Ω, the resistance of described the 4th resistance is 5K Ω, the resistance of described the 5th resistance is 1.5K Ω, the resistance of described the 6th resistance is 2K Ω, the resistance of described the 7th resistance is 5K Ω, the resistance of described the 8th resistance is 4K Ω, the resistance of described the 9th resistance is 0.5K Ω, the resistance of described the tenth resistance is 1K Ω, the resistance of described the 11 resistance is 10K Ω, the model of described the first triode and described the 6th triode is IRFU020, the model of described the second triode and described the 5th triode is IRFP9240, the model of described the 3rd triode and described the 4th triode is IRFP054, the capacitance of described the first electric capacity is 10uF, the capacitance of described the second electric capacity is 15uF, the model of described the first diode and described the second diode is 1N5391, the model of described amplifier is LM382, the model of described potentiometer is WS19-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210434.XU CN203788282U (en) | 2014-04-28 | 2014-04-28 | Power line carrier amplification circuit in power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210434.XU CN203788282U (en) | 2014-04-28 | 2014-04-28 | Power line carrier amplification circuit in power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788282U true CN203788282U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210434.XU Expired - Fee Related CN203788282U (en) | 2014-04-28 | 2014-04-28 | Power line carrier amplification circuit in power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788282U (en) |
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2014
- 2014-04-28 CN CN201420210434.XU patent/CN203788282U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150428 |
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| EXPY | Termination of patent right or utility model |