CN111082789A - Emergent switching circuit of power communication - Google Patents
Emergent switching circuit of power communication Download PDFInfo
- Publication number
- CN111082789A CN111082789A CN202010074411.0A CN202010074411A CN111082789A CN 111082789 A CN111082789 A CN 111082789A CN 202010074411 A CN202010074411 A CN 202010074411A CN 111082789 A CN111082789 A CN 111082789A
- Authority
- CN
- China
- Prior art keywords
- operational amplifier
- resistor
- capacitor
- signal
- inverting input
- 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.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Amplifiers (AREA)
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 signal waveform of an electric power communication base station, the conditioning noise reduction module uses an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal adjusting circuit to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, a signal transmitter E1 can be triggered to work, simultaneously, the operational amplifier AR3 and a diode D3 are used to form a pulse width adjusting circuit to adjust 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 compares the signals and inputs the signals into the inverse input end of the operational amplifier AR6 to further adjust 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 the noise reduction circuit to reduce the signal noise ratio, and the triggering signal transmitter E1, and triggering the power communication emergency switching module to work.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an electric power communication emergency switching circuit.
Background
At present, the efficient emergency service cooperative command management under the full-time global condition is guaranteed, the action economy and the safety are considered simultaneously, an information isolated island can be broken under the condition that a communication infrastructure is damaged, a system barrier is broken under the condition of a heterogeneous isolation network, 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, a wireless access circuit is not provided for cluster communication and command scheduling terminals with multiple field types and large quantity in the existing system realization, particularly, the operation and use consistency and the non-inductive switching of terminal users cannot be continuously ensured in the emergency condition, but the emergency switching equipment is disclosed in the prior art, and in practice, when a main communication fails, the emergency switching equipment cannot be triggered and controlled by the control terminal communication, the use of the power communication emergency system is seriously influenced.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an emergency switching circuit for power communication, which can adjust the waveform of a signal of a power communication base station and directly trigger an emergency switching module for power communication to operate.
The technical scheme includes that 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 uses an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal adjusting circuit pair to convert analog signals output by the waveform acquisition circuit into triggerable signals, a signal transmitter E1 can be triggered to work, a pulse width adjusting circuit is formed by the operational amplifier AR3 and a diode D3 to adjust 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 compares the signals and inputs the signals into an inverted input end of the operational amplifier AR6 to further adjust the output signal waveforms 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 electric power, and triggering the 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 AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 are used for forming a signal regulating circuit to convert an analog signal output by a waveform acquisition circuit into a triggerable signal, harmonic interference is filtered by a capacitor C2 and an inductor L4, signals are converted into a digital signal capable of triggering a signal emitter E1 to work by the operational amplifier AR2 and the operational amplifier AR4, then a pulse width regulating circuit is formed by the operational amplifier AR3 and a diode D3 to regulate the signal pulse width, a diode D3 is used for limiting an output end signal of the operational amplifier AR3, and charging and discharging are carried out through the capacitor C4, so that the potential change time of the non-inverting input end of the operational amplifier AR3 is regulated, the signal pulse width of the inverting input end of the operational amplifier AR4 is widened;
2. the operational amplifier AR5 is used for comparing output signals of the operational amplifier AR3 and the operational amplifier AR4, the compared signal of the operational amplifier AR5 is input into the inverting input end of the operational amplifier AR6, the output signal waveform of the operational amplifier AR6 is further adjusted, the compared signal of the operational amplifier AR5 ensures the stability of the signal, meanwhile, the feedback is carried out to the inverting input end of the operational amplifier AR6 in order to adjust the amplitude of the output signal of the operational amplifier AR6 and realize the detection of the output signal of the waveform acquisition module, and finally, after a noise reduction circuit consisting of the operational amplifier AR6, the triode Q3 and the capacitor C5 is used for reducing the signal-to-noise ratio, further guarantee the accuracy of the trigger signal of signal, trigger signal transmitter E1 directly sends to in the electric power communication emergency switching module, triggers the emergent switching module work of electric power communication, avoids emergent switching module not to receive the information that control terminal sent, can adjust power communication base station signal waveform, directly triggers the emergent switching module work of electric power communication.
Drawings
Fig. 1 is a schematic diagram of a conditioning and noise reduction module of an emergency power communication switching circuit according to the present invention.
Fig. 2 is a block diagram of a waveform acquisition 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 signal waveforms of a power communication base station, the conditioning noise reduction module uses an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal conditioning circuit pair to convert analog signals output by the waveform acquisition circuit into triggerable signals, a signal transmitter E1 can be triggered to work, a pulse width conditioning circuit is formed by an operational amplifier AR3 and a diode D3 to condition the pulse width of the signals, the operational amplifier AR5 is used to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 is compared and then input into an inverse input end of an operational amplifier AR6 to further condition the output signal waveforms of the operational amplifier AR6, and finally, the operational amplifier AR6, a triode Q3 and the capacitor C5 are used to form a circuit to reduce the signal-to-noise ratio, and then the trigger signal transmitter E1 is directly sent into the power, triggering 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 adjusting 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 signal transmitter E1 to work, then utilizes the operational amplifier AR3 and a diode 737D 6 to form a pulse width adjusting circuit to adjust the signal pulse width, utilizes a diode D3 to limit a signal at the output end of the operational amplifier AR3, realizes adjustment of the potential change time of the non-inverting input end of the operational amplifier AR3 through charging and discharging of the capacitor C4, further widens the pulse width of a signal at the inverting 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, inputs the compared signal into the inverting input end of the operational amplifier AR6, further adjusts the, the operational amplifier AR5 compares signals to ensure the stability of the signals, and simultaneously feeds back the signals to the reverse-phase input end of the operational amplifier AR6 in order to adjust the amplitude of the output signals of the operational amplifier AR6 and realize the detection of the output signals of the waveform acquisition module, and finally, after a noise reduction circuit consisting of the operational amplifier AR6, the triode Q3 and the 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 emitter E1 is directly sent into the electric power communication emergency switching module to trigger the electric power communication emergency switching module to work, and the emergency switching module is prevented from not receiving the information sent by the control terminal;
the conditioning noise reduction module has a specific structure that the in-phase input end of an operational amplifier AR is connected with one end of a resistor R, a resistor R and a capacitor C, the reverse-phase input end of the operational amplifier AR is connected with the resistor R, one end of the capacitor C and the reverse-phase input end of the operational amplifier AR, the other end of the resistor R is connected with the other end of the capacitor C and one end of an inductor L, the other end of the resistor R is connected with the other end of the inductor L and one end of the resistor R and one end of the capacitor C, the other end of the resistor R is connected with the other end of the capacitor C, the output end of the operational amplifier AR is connected with the other end of the resistor R, one end of the resistor R and the other end of the resistor R, the other end of the resistor R is connected with the positive electrode of a diode D, the other end of the resistor R14 is connected with a power supply +5V, the 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, the cathode of the diode D3 and the inverting input end of the operational amplifier AR5, 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 is connected with the other end of the resistor R10, one end of the resistor R11 and the inverting input end of the operational amplifier AR6, the non-inverting 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 C6, the collector of the triode Q6 and the signal emitter E6, the base of the triode Q.
On the basis of the scheme, the waveform acquisition module adopts a waveform collector J1 with the model number of AD8318 to acquire the signal waveform of the power communication base station, an operational amplifier AR1 amplifies a signal in phase, a power supply end of the waveform collector J1 is connected with a +5V power supply, a grounding end of the waveform collector J1 is grounded, an output end of the waveform collector J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of the resistor R2 and the non-inverting input end of an operational amplifier AR1, the inverting input end of the operational amplifier AR1 is connected with one end of a capacitor C1, the other end of the capacitor C1 is grounded, and the output end of the operational amplifier AR1 is connected with the other end of a resistor.
When the emergency switching circuit is used specifically, the emergency switching circuit for power communication comprises a waveform acquisition module and a conditioning noise reduction module, wherein the waveform acquisition module acquires the waveform of a signal of a power communication base station, the conditioning noise reduction module uses an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal adjusting circuit to convert an analog signal output by the waveform acquisition circuit into a triggerable signal, uses a capacitor C2 and an inductor L4 to filter harmonic interference, simultaneously uses an operational amplifier AR2 and an operational amplifier AR4 to convert the signal into a digital signal capable of triggering a signal emitter E1 to work, then uses an operational amplifier AR3 and a diode D3 to form a pulse width adjusting circuit to adjust the pulse width of the signal, uses a diode D3 to limit a signal at the output end of the operational amplifier AR3, and realizes the adjustment of the potential change time of the same-phase input end of the operational amplifier AR3 through the charging and discharging of a capacitor C45, and the operational amplifier AR5 is used for comparing output signals of the operational amplifier AR3 and the operational amplifier AR4, the signals are input into an inverting input end of the operational amplifier AR6 after being compared by the operational amplifier AR5, the waveform of the output signal of the operational amplifier AR6 is further adjusted, the signals are compared by the operational amplifier AR5 to ensure the stability of the signals and are simultaneously fed back to the inverting input end of the operational amplifier AR6, so that the amplitude of the output signal of the operational amplifier AR6 is adjusted to realize the detection of the output signal of the waveform acquisition module, and finally, after a noise reduction circuit consisting of the operational amplifier AR6, a triode Q3 and a capacitor C5 is used for reducing the signal-to-noise ratio, the accuracy of a trigger signal of the signal is further ensured, 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.
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 (3)
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 signal waveforms of a power communication base station, the conditioning noise reduction module uses an operational amplifier AR1, an operational amplifier AR4, an inductor L4 and a capacitor C2 to form a signal conditioning circuit to convert analog signals output by the waveform acquisition circuit into triggerable signals, a signal transmitter E1 can be triggered to work, a pulse width conditioning circuit is formed by an operational amplifier AR3 and a diode D3 to condition the pulse width of the signals, the operational amplifier AR5 is used to compare output signals of the operational amplifier AR3 and the operational amplifier AR4, the operational amplifier AR5 compares the signals and inputs the signals into an inverted input end of the operational amplifier AR6 to further condition the output signal waveforms 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 then the triggering signal transmitter E1 is directly sent, and triggering the power communication emergency switching module to work.
2. The power communication emergency switching circuit according to claim 1, wherein the conditioning noise reduction module comprises an operational amplifier AR, a non-inverting input terminal of the operational amplifier AR is connected to one end of a resistor R, a resistor R and a capacitor C, an inverting input terminal of the operational amplifier AR is connected to one end of the resistor R, one end of the capacitor C and an inverting input terminal of the operational amplifier AR, the other end of the resistor R is connected to the other end of the capacitor C and one end of an inductor L, the other end of the resistor R is connected to one end of the inductor L and one end of the resistor R and one end of the capacitor C, the other ends of the resistor R and the capacitor C are connected to ground, an output terminal of the operational amplifier AR is connected to the other end of the resistor R and one end of the resistor R and the non-inverting input terminal of the operational amplifier AR, an output terminal of the operational amplifier AR is connected to one end of the resistor R, one end of the resistor R and the, the other end of the resistor R13 is connected with one end of a resistor R14 and the anode of a diode D3, the other end of the resistor R14 is connected with +5V of a power supply, the inverting input end of the operational amplifier AR3 is connected with one ends of a resistor R15 and a 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 a diode D3 and the inverting input end of the operational amplifier AR5, the non-inverting input end of the operational amplifier AR5 is connected with the other end of a resistor R17, the output end of the operational amplifier AR5 is connected with the other end of a resistor R10, the inverting input end of the operational amplifier AR6, the non-inverting input end of the operational amplifier AR6 are 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 transmitter E1, the base 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.
3. The power communication emergency switching circuit of claim 1, wherein the waveform acquisition module comprises a waveform collector J1 with a model number AD8318, a power supply terminal of the waveform collector J1 is connected to +5V, a ground terminal of the waveform collector J1 is connected to ground, an output terminal of the waveform collector J1 is connected to one end of a resistor R1, another end of the resistor R1 is connected to one end of a resistor R2 and a non-inverting input terminal of an operational amplifier AR1, an inverting input terminal of the operational amplifier AR1 is connected to one end of a capacitor C1, another end of the capacitor C1 is connected to ground, and an output terminal of the operational amplifier AR1 is connected to the other end of the resistor R2 and one end of an inductor L4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074411.0A CN111082789B (en) | 2020-01-22 | 2020-01-22 | Emergent switching circuit of power communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074411.0A CN111082789B (en) | 2020-01-22 | 2020-01-22 | Emergent switching circuit of power communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111082789A true CN111082789A (en) | 2020-04-28 |
| CN111082789B CN111082789B (en) | 2022-10-25 |
Family
ID=70324003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010074411.0A Active CN111082789B (en) | 2020-01-22 | 2020-01-22 | Emergent switching circuit of power communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111082789B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002330259A (en) * | 2001-05-06 | 2002-11-15 | Optoelectronics Co Ltd | Intermediate processing circuit for wide dynamic signal |
| US20190044489A1 (en) * | 2017-08-04 | 2019-02-07 | Analog Devices, Inc. | Variable gain-bandwidth transimpedance amplifier |
| 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 |
-
2020
- 2020-01-22 CN CN202010074411.0A patent/CN111082789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002330259A (en) * | 2001-05-06 | 2002-11-15 | Optoelectronics Co Ltd | Intermediate processing circuit for wide dynamic signal |
| US20190044489A1 (en) * | 2017-08-04 | 2019-02-07 | Analog Devices, Inc. | Variable gain-bandwidth transimpedance amplifier |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| IVAILO PANDIEV: "Stability Analysis and Design of Wideband Howland Current Pumps Using Monolithic Current-Feedback Amplifiers", 《2018 41ST INTERNATIONAL SPRING SEMINAR ON ELECTRONICS TECHNOLOGY (ISSE)》 * |
| 付彧: "过套管电阻率测井信号采集通道噪声抑制技术研究", 《中国优秀硕士学位论文全文数据库》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111082789B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109217471A (en) | The identification device of low-voltage power distribution station area's network topology | |
| CN109495017B (en) | Broadband piezoelectric vibration energy collecting system | |
| CN110376989B (en) | Industrial control system based on big data | |
| CN110988579B (en) | Power grid fault real-time monitoring system | |
| CN105406593B (en) | A kind of switchgear motor driver intelligent controlling device and method | |
| CN111384781A (en) | 5G communication base station electric power operation monitoring system | |
| CN111614334A (en) | Building construction scheduling instruction monitoring system based on cloud computing | |
| CN111082789A (en) | Emergent switching circuit of power communication | |
| CN109245530A (en) | It is a kind of for stablizing the circuit and power adapter of output signal | |
| CN109379107B (en) | Broadband carrier (HPLC) module supporting active reporting of power failure events | |
| CN111948580B (en) | High-speed rail power socket monitoring system based on Internet of things | |
| CN109030923B (en) | Intelligent transformer substation early warning device | |
| CN110677184A (en) | Electric power information communication network signal reinforcing means | |
| CN111526535B (en) | 5G communication node monitoring system | |
| CN111983446B (en) | Railway signal relay real-time positioning monitoring system | |
| CN211293060U (en) | Constant-power switching power supply early warning circuit | |
| CN110952113B (en) | Electrolytic aluminum monitoring system | |
| CN209879586U (en) | Access control system based on portrait comparison function | |
| CN210720502U (en) | Electronic transformer acquisition equipment for realizing common power supply and common ground | |
| CN111010205B (en) | Power grid terminal information communication system | |
| CN111721942A (en) | Infertility big data analysis and detection signal transmission system | |
| CN212695770U (en) | Transformer substation power grid load monitoring device | |
| CN206948692U (en) | A kind of street lamp fault monitoring device | |
| CN110519000A (en) | A kind of distributed signal generator | |
| CN216016454U (en) | Device for improving power factor of power supply side of power grid by SVG of subway main transformer station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |