CN111082789B - Emergent switching circuit of power communication - Google Patents
Emergent switching circuit of power communication Download PDFInfo
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- CN111082789B CN111082789B CN202010074411.0A CN202010074411A CN111082789B CN 111082789 B CN111082789 B CN 111082789B CN 202010074411 A CN202010074411 A CN 202010074411A CN 111082789 B CN111082789 B CN 111082789B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
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Abstract
The invention discloses an electric power communication emergency switching circuit which comprises a waveform acquisition module and a conditioning noise reduction module, wherein the waveform acquisition module acquires the waveform of a signal of an electric power communication base station, the conditioning noise reduction module utilizes a signal regulating circuit pair consisting of an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, a signal transmitter E1 can be triggered to work, meanwhile, the operational amplifier AR3 and a diode D3 are utilized to form a pulse width regulating circuit to regulate the pulse width of the signal, the operational amplifier AR5 is utilized to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 inputs the compared signal into the inverted input end of the operational amplifier AR6 to further regulate the output signal waveform of the operational amplifier AR6, and finally, the operational amplifier AR6, a triode Q3 and the capacitor C5 are utilized to form a noise reduction circuit to reduce the signal-to-noise ratio, and the trigger signal transmitter E1 is directly sent into the electric power communication emergency switching module to trigger the electric power communication emergency switching module to work.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an emergency switching circuit for power communication.
Background
At present, efficient emergency service cooperative command management is realized under the condition of guaranteeing a full-time universe, action economy and safety are considered at the same time, an information island can be broken under the condition that communication infrastructure is damaged, system barriers are broken under the condition of heterogeneous isolation networks, and a safe and smooth information link between an emergency scene and a cooperative command place is established on the basis of the principles of low cost, high communication and strong safety.
Disclosure of Invention
In view of the above situation, in order to overcome the defects in the prior art, an object of the present invention is to provide an emergency power communication switching circuit, which can adjust the waveform of a power communication base station signal and directly trigger a power communication emergency switching module to operate.
According to the technical scheme, the electric power communication emergency switching circuit comprises a waveform acquisition module and a conditioning noise reduction module, the waveform acquisition module acquires signal waveforms of an electric power communication base station, the conditioning noise reduction module utilizes an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal adjusting circuit, analog signals output by the waveform acquisition circuit are converted into triggerable signals, a signal emitter E1 can be triggered to work, meanwhile, the operational amplifier AR3 and a diode D3 are utilized to form a pulse width adjusting circuit to adjust the pulse width of the signals, the operational amplifier AR5 is utilized to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 inputs the compared signals into the reverse phase input end of the operational amplifier AR6, the waveforms of the output signals of the operational amplifier AR6 are further adjusted, and finally, the operational amplifier AR6, a triode Q3 and the capacitor C5 are utilized to form a noise reduction circuit to reduce the signal-to-noise ratio, and the trigger signal emitter E1 is directly sent into the electric power communication emergency switching module to trigger the electric power communication emergency switching module to work.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1, an operational amplifier AR4, an inductor L4 and a capacitor C2 are used for forming a signal regulating circuit pair to convert an analog signal output by a waveform acquisition circuit into a triggerable signal, harmonic interference is filtered by the capacitor C2 and the inductor L4, the operational amplifier AR2 and the operational amplifier AR4 are used for converting the signal into a digital signal capable of triggering a signal emitter E1 to work, then a pulse width regulating circuit is formed by the operational amplifier AR3 and a diode D3 for regulating the signal pulse width, the diode D3 is used for limiting an output end signal of the operational amplifier AR3, and the potential change time of a non-inverting input end of the operational amplifier AR3 is regulated through charging and discharging of the capacitor C4, so that the signal pulse width of an inverting input end of the operational amplifier AR4 is widened, and the reliability is high;
2. the device comprises an operation amplifier AR5, an operation amplifier AR3 and an operation amplifier AR4, after the operation amplifier AR5 compares signals, the signals are input into an inverse input end of an operation amplifier AR6, the waveforms of the output signals of the operation amplifier AR6 are further adjusted, the operation amplifier AR5 compares the signals to ensure the stability of the signals, and the signals are simultaneously fed back to the inverse input end of the operation amplifier AR6, so that the amplitude of the output signals of the operation amplifier AR6 is adjusted, the detection of the output signals of a waveform acquisition module is realized, finally, after a noise reduction circuit consisting of the operation amplifier AR6, a triode Q3 and a capacitor C5 is used for reducing the signal-to-noise ratio, the accuracy of trigger signals of the signals is further ensured, a trigger signal transmitter E1 is directly sent into an electric power communication emergency switching module, the electric power communication emergency switching module is triggered to work, the situation that the emergency switching module cannot receive the information sent by a control terminal is avoided, the waveforms of signals of a power communication base station can be adjusted, and the electric power communication emergency switching module can be directly triggered to work.
Drawings
Fig. 1 is a conditioning and noise reducing block diagram of an emergency switching circuit for power communication according to the present invention.
Fig. 2 is a waveform acquisition module diagram of an emergency switching circuit for power communication according to the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
A power communication emergency switching circuit comprises a waveform acquisition module and a conditioning noise reduction module, wherein the waveform acquisition module acquires the waveform of a power communication base station signal, the conditioning noise reduction module utilizes a signal regulating circuit consisting of an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, a signal emitter E1 can be triggered to work, a pulse width regulating circuit consisting of an operational amplifier AR3 and a diode D3 is utilized to regulate the pulse width of the signal, the operational amplifier AR5 is utilized to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 inputs the compared signal into the reverse phase input end of the operational amplifier AR6 to further regulate the output signal waveform of the operational amplifier AR6, and finally the operational amplifier AR6, a triode Q3 and the capacitor C5 are utilized to form a noise reduction circuit to reduce the signal noise ratio, and the trigger signal emitter E1 is directly sent into the power communication emergency switching module to trigger the power communication emergency switching module to work;
the conditioning noise reduction module utilizes an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal regulation circuit pair to convert an analog signal output by a waveform acquisition circuit into a triggerable signal, utilizes the capacitor C2 and the inductor L4 to filter harmonic interference, simultaneously utilizes the operational amplifier AR2 and the operational amplifier AR4 to convert the signal into a digital signal capable of triggering the operation of a signal transmitter E1, then utilizes the operational amplifier AR3 and a diode D3 to form a pulse width regulation circuit to regulate the signal pulse width, utilizes the diode D3 to limit an output signal of the operational amplifier AR3, and realizes regulation of the potential change time of a non-inverting input end of the operational amplifier AR3 through charging and discharging of the capacitor C4, thereby widening the signal pulse width of an inverting input end of the operational amplifier AR4, and utilizes the operational amplifier AR5 to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 inputs the compared signals into the inverting input end of the operational amplifier AR6, further regulates the waveform of the operational amplifier AR6, the operational amplifier AR5 compares signals to ensure the stability of the signals, and feeds back to the input end of the operational amplifier AR6, in order to regulate the amplitude of the operational amplifier 6 output signals, further switches the operational amplifier, the operational amplifier to realize the emergency signal detection module, the emergency signal detection module to prevent the emergency signal from being sent into the emergency triode, and the emergency signal switching module, and the emergency signal detection module, the emergency signal detection module to prevent the emergency signal from being switched;
the conditioning noise reduction module has a specific structure that the in-phase input end of an operational amplifier AR2 is connected with one end of a resistor R3, a resistor R6 and a capacitor C2, the reverse phase input end of the operational amplifier AR2 is connected with one end of a resistor R4, a resistor R8, a resistor R12, one end of a capacitor C4 and the reverse phase input end of the operational amplifier AR4, the other end of the resistor R3 is connected with the other end of the capacitor C2 and one end of an inductor L4, the other end of the resistor R4 is connected with the other end of the inductor L4 and one end of a resistor R5 and one end of a capacitor C3, the other ends of the resistor R5 and the capacitor C3 are grounded, the other end of the capacitor C4 is grounded, the output end of the operational amplifier AR2 is connected with the other end of the resistor R6 and one end of a resistor R7, the non-inverting input end of the operational amplifier AR4 is connected with the non-inverting input end of the capacitor C5, the other end of the operational amplifier AR5 is connected with one end of the resistor R10 and one end of the resistor R3, the other end of the resistor R12 is connected with one end of the resistor R13 and the non-inverting input end of the operational amplifier AR3, the other end of the resistor R13 is connected with one end of the resistor R14 and the positive electrode of the diode D3, the other end of the resistor R14 is connected with +5V of a power supply, the non-inverting input end of the operational amplifier AR3 is connected with one end of the resistor R15 and one end of the resistor R16, the other end of the resistor R15 is grounded, the output end of the operational amplifier AR3 is connected with the other end of the resistor R16 and the negative electrode of the diode D3, the non-inverting input end of the operational amplifier AR5 is connected with the other end of the resistor R17, the output end of the operational amplifier AR5 and one end of the resistor R11, the non-inverting input end of the operational amplifier AR6 is connected with the non-inverting input end of the resistor R9 and one end of the emitter of the triode Q6, and the emitter of the triode Q6 are connected with the emitter of the triode Q3, and the emitter of the triode Q6.
On the basis of the above scheme, the waveform acquisition module selects waveform collector J1 with the model AD8318 to collect the signal waveform of the power communication base station, fortune puts ware AR1 homophase amplified signal, waveform collector J1's power end connection +5V, waveform collector J1's earthing terminal, waveform collector J1's the one end of output termination resistance R1, resistance R1's another termination resistance R2's one end and fortune put ware AR 1's homophase input end, fortune puts ware AR 1's inverting input termination electric capacity C1's one end, electric capacity C1's the other end ground connection, fortune puts ware AR 1's the output termination resistance R2's the other end and inductance L4's one end.
When the emergency switching circuit is used, the emergency switching circuit for power communication comprises a waveform acquisition module and a conditioning noise reduction module, wherein the waveform acquisition module acquires a signal waveform of a power communication base station, the conditioning noise reduction module utilizes a signal regulation circuit consisting of an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, utilizes the capacitor C2 and the inductor L4 to filter harmonic interference, simultaneously utilizes the operational amplifier AR2 and the operational amplifier AR4 to convert the signal into a digital signal capable of triggering the operation of a signal transmitter E1, then utilizes the operational amplifier AR3 and a diode D3 to form a pulse width regulation circuit to regulate a signal pulse width, utilizes the diode D3 to limit a signal at the output end of the operational amplifier AR3, realizes regulation of potential change time of the same-phase input end of the operational amplifier AR3 through charging and discharging of the capacitor C4, further widens the signal pulse width at the opposite-phase input end of the operational amplifier AR4, utilizes the operational amplifier AR5 to compare signals output by the operational amplifier AR3 and the operational amplifier AR4, and further ensures that the operational amplifier outputs the signal pulse width of the operational amplifier AR5 to the operational amplifier to be switched to the emergency switching module, and the emergency switching module to further ensure that the signal amplitude of the operational amplifier is not accurately controlled by the operational amplifier, the emergency switching module, and the emergency switching module to be switched to be a triode to be switched between the emergency signal of the emergency switching module to be switched to be a triode for triggering signal to be switched.
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 (1)
1. A power communication emergency switching circuit comprises a waveform acquisition module and a conditioning noise reduction module, and is characterized in that the waveform acquisition module acquires a power communication base station signal waveform, the conditioning noise reduction module uses a signal regulating circuit pair consisting of an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, a signal transmitter E1 can be triggered to work, meanwhile, a pulse width regulating circuit consisting of the operational amplifier AR3 and a diode D3 is used to regulate the signal pulse width, the operational amplifier AR5 is used to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 inputs the compared signal into an inverted input end of the operational amplifier AR6 to further regulate the output signal waveform of the operational amplifier AR6, and finally, the operational amplifier AR6, a triode Q3 and the capacitor C5 are used to form a noise reduction circuit to reduce the signal-to-noise ratio, and the trigger signal transmitter E1 is directly sent into the power communication emergency switching module to trigger the power communication emergency switching module to work;
the conditioning and noise reducing module comprises an operational amplifier AR2, wherein the non-inverting input end of the operational amplifier AR2 is connected with one end of a resistor R3, a resistor R6 and a capacitor C2, the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R4, a resistor R8, a resistor R12, one end of a capacitor C4 and the inverting input end of the operational amplifier AR4, the other end of the resistor R3 is connected with the other end of the capacitor C2 and one end of an inductor L4, the other end of the resistor R4 is connected with the other end of the inductor L4 and one end of a resistor R5 and one end of the capacitor C3, the other ends of the resistor R5 and the capacitor C3 are grounded, the other end of the capacitor C4 is grounded, the output end of the operational amplifier AR2 is connected with the other end of the resistor R6 and one end of a resistor R7, the non-inverting input end of the operational amplifier AR4 is connected with the non-inverting input end of the resistor R7, the resistor R9, the resistor R10 and the resistor R17, and the other end of the resistor R8, the other end of the resistor R12 is connected with one end of the resistor R13 and the non-inverting input end of the operational amplifier AR3, the other end of the resistor R13 is connected with one end of the resistor R14 and the anode of the diode D3, the other end of the resistor R14 is connected with the +5V power supply, the inverting input end of the operational amplifier AR3 is connected with one end of the resistor R15 and the resistor R16, the other end of the resistor R15 is grounded, the output end of the operational amplifier AR3 is connected with the other end of the resistor R16, the cathode of the diode D3 and the inverting input end of the operational amplifier AR5, the in-phase input end of the operational amplifier AR5 is connected with the other end of the resistor R17, the output end of the operational amplifier AR5 is connected with the other end of the resistor R10, one end of the resistor R11 and the reverse-phase input end of the operational amplifier AR6, the in-phase input end of the operational amplifier AR6 is connected with the other end of the resistor R9 and one end of the capacitor C5, the output end of the operational amplifier AR6 is connected with the other end of the capacitor C5, the collector of the triode Q3 and the signal emitter E1, the base electrode of the triode Q3 is connected with the other end of the resistor R11, the emitter of the triode Q3 is connected with one end of the capacitor C6, and the other end of the capacitor C6 is grounded;
the waveform acquisition module includes that the model is AD 8318's waveform collector J1, waveform collector J1's power end connection power +5V, waveform collector J1's earthing terminal ground connection, waveform collector J1's output termination resistance R1's one end, resistance R1's another termination resistance R2's one end and fortune put ware AR 1's in-phase input end, fortune put ware AR 1's inverting input termination electric capacity C1's one end, electric capacity C1's other end ground connection, fortune puts ware AR 1's output termination resistance R2's the other end and inductance L4's one end.
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| CN202010074411.0A CN111082789B (en) | 2020-01-22 | 2020-01-22 | Emergent switching circuit of power communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010074411.0A CN111082789B (en) | 2020-01-22 | 2020-01-22 | Emergent switching circuit of power communication |
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| CN111082789A CN111082789A (en) | 2020-04-28 |
| CN111082789B true CN111082789B (en) | 2022-10-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10224887B2 (en) * | 2017-08-04 | 2019-03-05 | Analog Devices, Inc. | Variable gain-bandwidth transimpedance amplifier |
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- 2020-01-22 CN CN202010074411.0A patent/CN111082789B/en active Active
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|---|---|---|---|---|
| JP2002330259A (en) * | 2001-05-06 | 2002-11-15 | Optoelectronics Co Ltd | Intermediate processing circuit for wide dynamic signal |
| CN109596483A (en) * | 2019-01-11 | 2019-04-09 | 河南鑫安利安全科技股份有限公司 | A kind of operating environment detection system |
| CN110176851A (en) * | 2019-05-14 | 2019-08-27 | 郑州工业应用技术学院 | A kind of electric power regulation device |
| CN110376989A (en) * | 2019-07-22 | 2019-10-25 | 郑州工程技术学院 | A kind of industrial control system based on big data |
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