CN110730026A - Power information communication network signal conditioning circuit - Google Patents
Power information communication network signal conditioning circuit Download PDFInfo
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- CN110730026A CN110730026A CN201911063761.0A CN201911063761A CN110730026A CN 110730026 A CN110730026 A CN 110730026A CN 201911063761 A CN201911063761 A CN 201911063761A CN 110730026 A CN110730026 A CN 110730026A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
Abstract
The invention discloses a power information communication network signal regulating circuit, which comprises a signal receiving circuit, a signal regulating circuit and an operational amplifier transmitting circuit, wherein the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the signal regulating circuit receives a network sampling signal of a first base station of a power information communication system by using an inverting input end of an operational amplifier AR3, the operational amplifier AR3 and a resistor R6 form a subtraction circuit to output a difference signal, the operational amplifier AR5 outputs the difference signal of the network sampling signal of the first base station and the network sampling signal of a second base station, the operational amplifier AR7 adds and regulates the difference signal output by the subtraction circuit and the output signal of the operational amplifier AR5, finally, the operational amplifier output circuit amplifies the output signal of the signal regulating circuit in phase by using an operational amplifier AR4, and triggers the signal transmitter E1 to transmit a signal to a power information communication control end, when the number of signals in a period of time is large, the frequency value of each base station can be adjusted in a grading mode in time.
Description
Technical Field
The invention relates to the technical field of circuits, in particular to a power information communication network signal regulating circuit.
Background
At present, an electric power information communication system comprises an information network signal transmitter, an information network signal receiver and a control end, wherein the information network signal transmitter transmits a network signal, and the network signal sequentially passes through a plurality of base stations such as a first base station and a second base station to be received by the information network signal receiver, so that the control end analyzes the signal, and the most main problem of long-distance transmission of the signal is how to overcome signal loss and enhance the signal, two common modes are provided, one mode is to directly enhance the signal transmitted by a signal source, the second mode indirectly plays a role in enhancing the signal by temporarily adjusting the signal frequency through the base station, the second mode is most used at present, however, the temporarily adjusting the signal frequency of the base station is based on the received signal frequency adjustment, when the number of the signal in a period of time is large, and the line loss exceeds a normal range, the temporarily adjusted frequency range of the base station is exceeded, thereby causing signal distortion.
Disclosure of Invention
In view of the above situation, to overcome the defects in the prior art, an object of the present invention is to provide a power information communication network signal conditioning circuit, which has the characteristics of ingenious design and humanized design, and can sample and compare network signals of a network signal transmitter, a first base station and a second base station, and trigger a control end to adjust the conditioning frequency value of each base station in a feedback manner in time.
The technical scheme for solving the problem is that the power information communication network signal regulating circuit comprises a signal receiving circuit, a signal regulating circuit and an operational amplifier transmitting circuit, wherein the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the sampling signal is a voltage signal of a network signal carrier, the network signal transmitted by the power information network signal transmitter sequentially passes through a first base station and a second base station, a signal enhancing circuit consisting of a triode Q1, a triode Q2, a diode D2 and a capacitor C1 is used for amplifying signal power, the signal regulating circuit uses an operational amplifier AR1, an operational amplifier AR2, a diode D3 and a diode D4 to form a mean value circuit, the mean value signal is screened out and input into a non-inverting input end of the operational amplifier AR3, an inverting input end of the operational amplifier AR3 receives a network sampling signal of a first base station of a power information communication system, and a delay circuit consisting of the network sampling signal of the first base station uses a triode Q3 and a capacitor C5 for delaying the signal, an operational amplifier AR3 and a resistor R6 form a subtraction circuit to output a difference signal, a network sampling signal of a second base station uses an operational amplifier AR4 to buffer the signal, an operational amplifier AR5 outputs a difference signal of the network sampling signal of the first base station and the network sampling signal of the second base station, the operational amplifier AR7 adds and adjusts the difference signal output by the subtraction circuit and an output signal of an operational amplifier AR5, the output signal of the operational amplifier AR7 passes through a silicon controlled rectifier VTL1 and a voltage stabilizing tube D5 to form a detection circuit to detect the signal potential, finally, the operational amplifier output circuit uses an operational amplifier AR4 to amplify the signal output by the signal adjusting circuit in phase, and a trigger signal emitter E1 sends a signal to a power information communication control end.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. an inverting input end of an operational amplifier AR3 is used for receiving a network sampling signal of a first base station of the power information communication system, the network sampling signal of the first base station uses a delay circuit formed by a triode Q3 and a capacitor C5 to delay the signal, the synchronism of the signal can be ensured, a filter circuit formed by an inductor L1, a capacitor C3 and a capacitor C4 is used for filtering, a subtraction circuit formed by the operational amplifier AR3 and a resistor R6 outputs a difference signal, the carrier signal voltage difference of the sampling signal of the power information network signal transmitter and the network sampling signal of the first base station is calculated, the network sampling signal of a second base station uses the operational amplifier AR4 to buffer the signal, the synchronism of the signal is ensured, and the reliability of the circuit is improved;
2. the operational amplifier AR5 is used for outputting a difference signal of a network sampling signal of a first base station and a network sampling signal of a second base station, the operational amplifier AR7 adds and adjusts the difference signal output by a subtraction circuit and the signal output by the operational amplifier AR5, namely the sum of the two difference signals, then the signal output by the operational amplifier AR7 forms a detection circuit through a silicon controlled rectifier VTL1 and a voltage regulator tube D5 to detect the signal potential, the conduction voltage of the silicon controlled rectifier VTL1 is used for judging whether the sum of the difference signals exceeds a normal line loss value, if the sum exceeds the normal line loss value, the silicon controlled rectifier VTL1 is conducted, otherwise, the detection circuit is not conducted, finally, a signal emitter E1 sends a signal to a control end, the control end is triggered to feed back and adjust the adjustment frequency value of each base station, and when the number of signals in a period of time is large, the.
Drawings
Fig. 1 is a signal conditioning circuit diagram of a power information communication network signal conditioning circuit according to the present invention.
Fig. 2 is a signal receiving circuit diagram of a power information communication network signal conditioning circuit according to the present invention.
Fig. 3 is an operational amplifier transmitting circuit diagram of a power information communication network signal conditioning circuit according to the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
A power information communication network signal conditioning circuit comprises a signal receiving circuit, a signal conditioning circuit and an operational amplifier transmitting circuit, wherein the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the sampling signal is a voltage signal of a network signal carrier, the network signal transmitted by the power information network signal transmitter sequentially passes through a first base station and a second base station, a signal enhancement circuit is used for amplifying signal power by using a triode Q1, a triode Q2, a diode D2 and a capacitor C1, the signal conditioning circuit uses an operational amplifier AR1, an operational amplifier AR2, a diode D3 and a diode D4 to form a mean value circuit, the mean value signal is input into an in-phase input end of the operational amplifier AR3, an inverting input end of the operational amplifier AR3 is used for receiving a network sampling signal of the first base station of a power information communication system, and the network sampling signal of the first base station uses the triode Q3 and the capacitor C5 to form a delay circuit pair delay signal, an operational amplifier AR3 and a resistor R6 form a subtraction circuit to output a difference signal, the network sampling signal of the second base station uses an operational amplifier AR4 to buffer the signal, the operational amplifier AR5 outputs a difference signal of the network sampling signal of the first base station and the network sampling signal of the second base station, the operational amplifier AR7 adds and adjusts the difference signal output by the subtraction circuit and the output signal of an operational amplifier AR5, the output signal of the operational amplifier AR7 passes through a silicon controlled rectifier VTL1 and a voltage stabilizing tube D5 to form a detection circuit to detect the signal potential, finally, the operational amplifier output circuit uses an operational amplifier AR4 to amplify the signal output by the signal adjusting circuit in phase, and a trigger signal emitter E1 sends a signal to the electric power information communication control end;
the signal regulating circuit utilizes an average value circuit consisting of an operational amplifier AR1, an operational amplifier AR2, a diode D3 and a diode D4 to screen out an average value signal to be input into a non-inverting input end of the operational amplifier AR3 to ensure the stability of the signal, an inverting input end of the operational amplifier AR3 receives a network sampling signal of a first base station of the power information communication system, the network sampling signal of the first base station utilizes a delay circuit consisting of a triode Q3 and a capacitor C5 to delay the signal, the synchronism of the signal can be ensured, a filter circuit consisting of an inductor L1, a capacitor C3 and a capacitor C4 is utilized to filter, the operational amplifier AR3 and a resistor R6 form a subtraction circuit to output a difference signal, the voltage difference between a sampling signal of the power information network signal transmitter and a carrier signal of the network sampling signal of the first base station is calculated, the network sampling signal of a second base station utilizes an operational amplifier AR4 to buffer the, an inductor L2, a capacitor C6 and a capacitor C7 are used for forming a filter circuit for filtering, an operational amplifier AR5 is used for outputting a difference signal of a network sampling signal of a first base station and a network sampling signal of a second base station, the operational amplifier AR7 outputs a difference signal of a subtraction circuit and an output signal of an operational amplifier AR5 to be added and adjusted, namely the sum of the two difference signals, then an output signal of an operational amplifier AR7 forms a detection circuit for detecting signal potential through a silicon controlled rectifier VTL1 and a voltage regulator tube D5, the conduction voltage of a silicon controlled rectifier VTL1 is used for judging whether the sum of the difference signals exceeds a normal line loss value, if the sum exceeds the normal line loss value, the silicon controlled rectifier VTL1 is conducted, otherwise, the silicon controlled rectifier VTL 1;
the signal regulating circuit has the specific structure that the inverting input end of an operational amplifier AR1 is connected with the anode of a diode D3 and one end of a resistor R3, the output end of an operational amplifier AR1 is connected with the cathode of a diode D3 and the anode of a diode D4, the cathode of a diode D4 is connected with one end of a resistor R4, the other end of a resistor R4 is connected with one end of a capacitor C2 and the non-inverting input end of an operational amplifier AR2, the other end of the capacitor C2 is grounded, the inverting input end of the operational amplifier AR2 is connected with the other end of the resistor R2 and the non-inverting input end of the operational amplifier AR2, the output end of the operational amplifier AR2 is connected with the other end of the resistor R2, one end of the resistor R2 and the non-inverting input end of the operational amplifier AR2, one end of the resistor R2 is connected with one end of a triode R2, and one end of an emitter of a transistor Q2 of the resistor R2 are connected with the base of the triode 2, and one end of the transistor C2 of the transistor, One end of a resistor R8, the other ends of a resistor R8 and a capacitor C8 are grounded, a collector of the transistor Q8 is connected with the other end of the resistor R8 and one end of an inductor L8 and one end of a capacitor C8, the other end of the inductor L8 is connected with one end of the resistor R8 and one end of the capacitor C8, the other ends of the capacitor C8 and the capacitor C8 are grounded, the other end of the resistor R8 is connected with a network sampling signal of a first base station, an inverting input end of an operational amplifier AR 8 is connected with one end of the resistor R8 and one end of the resistor R8, the other end of the resistor R8 is grounded, the other end of the resistor R8 is connected with an output end of the operational amplifier AR 8 and an inverting input end of the operational amplifier AR 8, a non-inverting input end of the operational amplifier AR 8 is connected with one end of the inductor L8 and one end of the capacitor C8, the other end of the capacitor C8 and the other end of the capacitor R8, the other end of the operational amplifier R8 is connected with a network sampling signal of a second base station of the, The non-inverting input end of the operational amplifier AR7, the inverting input end of the operational amplifier AR7 are connected with one end of a resistor R15 and one end of a resistor R16, the other end of the resistor R16 is grounded, the output end of the operational amplifier AR7 is connected with the other end of a resistor R15, the anode of a thyristor VTL1 and the cathode of a voltage regulator tube D5, the control electrode of the thyristor VTL1 is connected with the anode of the voltage regulator tube D5, one end of a resistor R17 and one end of a capacitor C8, and the other ends of the resistor R17 and the capacitor C8 are grounded.
On the basis of the scheme, the operational amplifier transmitting circuit amplifies signals in phase by using an operational amplifier AR6, so that the signal intensity is enhanced, the signal can trigger a signal transmitter E1 to work, the signal transmitter E1 sends a signal into a control end, the control end is triggered to feed back and adjust the adjusting frequency value of each base station, when the number of the signals is large in a period of time, the frequency value of each base station can be timely adjusted in a grading manner, one end of a resistor R18 is connected with the negative electrode of a thyristor VTL1, the other end of the resistor R18 is connected with the in-phase input end of an operational amplifier AR6 and one end of a resistor R19, the anti-phase input end of the operational amplifier AR6 is connected with one end of a resistor R20, the other end of a resistor R20 is grounded, the output end of the operational amplifier AR6 is connected with the other end of a resistor R19 and one end of a resistor R21 and the negative electrode of a voltage regulator D39;
the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the sampling signal is a voltage signal of a network signal carrier, a signal enhancement circuit is formed by a triode Q1, a triode Q2, a diode D2 and a capacitor C1 to amplify signal power, an emitter of a triode Q2 is connected with an emitter of a triode Q1 and one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2 and the negative electrode of a voltage regulator tube D1, the positive electrode of the voltage regulator tube D1 is grounded, a base of a triode Q1 is connected with the other end of a resistor R2, a collector of a triode Q1 is connected with a base of a triode Q2 and the positive electrode of a diode D2, the negative electrode of a diode D2 is connected with one end of a capacitor C1, and the collector of the triode Q2 is connected with the other end of a non.
When the invention is used specifically, the power information communication network signal regulating circuit comprises a signal receiving circuit, a signal regulating circuit and an operational amplifier transmitting circuit, wherein the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the sampling signal is a voltage signal of a network signal carrier, the network signal transmitted by the power information network signal transmitter sequentially passes through a first base station and a second base station, a signal enhancing circuit consisting of a triode Q1, a triode Q2, a diode D2 and a capacitor C1 is used for amplifying the signal power, the signal regulating circuit uses an operational amplifier AR1, an operational amplifier AR2, a diode D3 and a diode D4 to form a mean value circuit, the mean value signal is screened out and input into the non-inverting input end of the operational amplifier AR3, the stability of the signal is ensured, the inverting input end of the operational amplifier AR3 receives the network sampling signal of the first base station of the power information communication system, in addition, the network sampling signal of the first base station uses a delay circuit formed by a triode Q3 and a capacitor C5 to delay the signal, so that the signal synchronism can be ensured, an inductor L1, a capacitor C3 and a capacitor C4 are used to form a filter circuit for filtering, an operational amplifier AR3 and a resistor R6 are used to form a subtraction circuit to output a difference signal, the carrier signal voltage difference between the sampling signal of the power information network signal transmitter and the network sampling signal of the first base station is calculated, the network sampling signal of the second base station uses an operational amplifier AR4 to buffer the signal, so that the signal synchronism is ensured, an inductor L2, a capacitor C6 and a capacitor C7 are used to form a filter circuit for filtering, the operational amplifier AR5 is used to output the difference signal between the network sampling signal of the first base station and the network sampling signal of the second base station, the operational amplifier AR7 is used to add and adjust the difference signal output by the subtraction circuit and the operational amplifier AR5, namely the sum of the, then the output signal of the operational amplifier AR7 forms a detection circuit through a thyristor VTL1 and a voltage regulator tube D5 to detect the signal potential, the conduction voltage of the thyristor VTL1 is utilized to judge whether the sum of the difference signals exceeds the normal line loss value, if the sum exceeds the normal line loss value, the thyristor VTL1 is conducted, otherwise, the thyristor VTL is not conducted, finally, the operational amplifier output circuit utilizes the operational amplifier AR4 to amplify the signal output signal of the signal regulation circuit in phase, and a trigger signal emitter E1 sends a signal to the power information communication control end.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (4)
1. A power information communication network signal conditioning circuit comprises a signal receiving circuit, a signal conditioning circuit and an operational amplifier transmitting circuit, and is characterized in that the signal receiving circuit receives a sampling signal of a power information network signal transmitter, the sampling signal is a voltage signal of a network signal carrier, the network signal transmitted by the power information network signal transmitter sequentially passes through a first base station and a second base station, a signal enhancement circuit is used for amplifying signal power by using a triode Q1, a triode Q2, a diode D2 and a capacitor C1, the signal conditioning circuit uses an operational amplifier AR1, an operational amplifier AR2, a diode D3 and a diode D4 to form an average value circuit, an average value signal is screened out and input into a non-inverting input end of the operational amplifier AR3, an inverting input end of the operational amplifier AR3 receives a network sampling signal of a first base station of a power information communication system, and a delay circuit is formed by using the triode Q3 and the capacitor C5 of the network sampling signal of the first base station to delay the signal, an operational amplifier AR3 and a resistor R6 form a subtraction circuit to output a difference signal, a network sampling signal of a second base station uses an operational amplifier AR4 to buffer the signal, an operational amplifier AR5 outputs a difference signal of the network sampling signal of the first base station and the network sampling signal of the second base station, the operational amplifier AR7 adds and adjusts the difference signal output by the subtraction circuit and an output signal of an operational amplifier AR5, the output signal of the operational amplifier AR7 passes through a silicon controlled rectifier VTL1 and a voltage stabilizing tube D5 to form a detection circuit to detect the signal potential, finally, the operational amplifier output circuit uses an operational amplifier AR4 to amplify the signal output by the signal adjusting circuit in phase, and a trigger signal emitter E1 sends a signal to a power information communication control end.
2. The power information communication network signal conditioning circuit according to claim 1, wherein the signal conditioning circuit comprises an operational amplifier AR1, an inverting input terminal of the operational amplifier AR1 is connected with an anode of a diode D3 and one end of a resistor R3, an output terminal of the operational amplifier AR1 is connected with a cathode of a diode D3 and an anode of a diode D4, a cathode of a diode D4 is connected with one end of a resistor R4, the other end of the resistor R4 is connected with one end of a capacitor C2 and a non-inverting input terminal of the operational amplifier AR2, the other end of the capacitor C2 is grounded, an inverting input terminal of the operational amplifier AR2 is connected with the other end of a resistor R3 and one end of a resistor R5, an output terminal of the operational amplifier AR2 is connected with the other end of the resistor R5, one end of the resistor R6 and a non-inverting input terminal of the operational amplifier AR3, an inverting input terminal of the operational amplifier AR3 is connected with one end of the resistor R10 and an input terminal of the non-inverting input terminal of the operational amplifier AR, the other end of the resistor R10 is connected with an emitter of a transistor Q10 and one end of a resistor R10, the base of the transistor Q10 is connected with one end of a capacitor C10 and one end of the resistor R10, the other ends of the resistor R10 and the capacitor C10 are grounded, the collector of the transistor Q10 is connected with the other end of the resistor R10 and one end of the inductor L10 and one end of the capacitor C10, the other end of the inductor L10 is connected with one end of the resistor R10 and one end of the capacitor C10, the other ends of the capacitor C10 and the capacitor C10 are grounded, the other end of the resistor R10 is connected with the network sampling signal of the first base station, the inverting input end of the AR 10 is connected with one end of the resistor R10 and one end of the resistor R10, the other end of the resistor R10 is connected with the ground, the other end of the resistor R10 and the output end of the AR 10, the inverting input end of the capacitor C10 and the capacitor C10 are grounded, the other end of the resistor R12 is connected with a network sampling signal of the second base station, the output end of the operational amplifier AR5 is connected with the resistor R14, the other end of the resistor R6, the output end of the operational amplifier AR3 and the non-inverting input end of the operational amplifier AR7, the inverting input end of the operational amplifier AR7 is connected with one end of the resistor R15 and one end of the resistor R16, the other end of the resistor R16 is grounded, the output end of the operational amplifier AR7 is connected with the other end of the resistor R15, the anode of the thyristor VTL1 and the cathode of the thyristor D5, the control electrode of the thyristor VTL1 is connected with the anode of the thyristor D5, the resistor R17 and one end of the capacitor C8, and the other ends of the resistor R.
3. The power information communication network signal conditioning circuit as claimed in claim 1, wherein the operational amplifier transmitting circuit comprises a resistor R18, one end of the resistor R18 is connected with the negative electrode of the thyristor VTL1, the other end of the resistor R18 is connected with the non-inverting input end of the operational amplifier AR6 and one end of the resistor R19, the inverting input end of the operational amplifier AR6 is connected with one end of the resistor R20, the other end of the resistor R20 is grounded, the output end of the operational amplifier AR6 is connected with the other end of the resistor R19 and one end of the resistor R21, the negative electrode of the voltage regulator tube D6, the positive electrode of the voltage regulator tube D6 is grounded, and the other end of the resistor R21 is connected with the signal transmitter E1.
4. The power information communication network signal conditioning circuit as claimed in claim 1, wherein the signal receiving circuit comprises a transistor Q2, the emitter of the transistor Q2 is connected with the emitter of the transistor Q1 and one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2 and the negative electrode of a voltage regulator D1, the positive electrode of the voltage regulator D1 is grounded, the base of the transistor Q1 is connected with the other end of the resistor R2, the collector of the transistor Q1 is connected with the base of the transistor Q2 and the positive electrode of a diode D2, the negative electrode of the diode D2 is connected with one end of a capacitor C1, and the collector of the transistor Q2 is connected with the other end of the capacitor C1 and the non-inverting input end of the operational amplifier 1.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170302264A1 (en) * | 2015-12-14 | 2017-10-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Thin film transistor gate voltage supply circuit |
| CN108345556A (en) * | 2018-03-20 | 2018-07-31 | 黄河科技学院 | The circuit for signal conditioning of electronic product control device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170302264A1 (en) * | 2015-12-14 | 2017-10-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Thin film transistor gate voltage supply circuit |
| CN108345556A (en) * | 2018-03-20 | 2018-07-31 | 黄河科技学院 | The circuit for signal conditioning of electronic product control device |
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Effective date of registration: 20211123 Address after: 528467 Room 301, third floor, No. 3 Daxing Road, Tanzhou town, Zhongshan City, Guangdong Province Applicant after: Zhongshan Junbo Communication Technology Co.,Ltd. Address before: 461700 No. 678, north of East Yancheng Road, Xiangcheng County, Xuchang City, Henan Province Applicant before: STATE GRID HENAN ELECTRIC POWER COMPANY, XIANGCHENG POWER SUPPLY CO. |
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Denomination of invention: A power information communication network signal conditioning circuit Effective date of registration: 20220906 Granted publication date: 20211210 Pledgee: Agricultural Bank of China Limited Zhongshan Tanzhou sub branch Pledgor: Zhongshan Junbo Communication Technology Co.,Ltd. Registration number: Y2022980014542 |