CN107727977A - The overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows - Google Patents

The overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows Download PDF

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Publication number
CN107727977A
CN107727977A CN201711151110.8A CN201711151110A CN107727977A CN 107727977 A CN107727977 A CN 107727977A CN 201711151110 A CN201711151110 A CN 201711151110A CN 107727977 A CN107727977 A CN 107727977A
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China
Prior art keywords
electric capacity
resistance
electrically connects
diode
pins
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CN201711151110.8A
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Chinese (zh)
Inventor
赖俊驹
朱汇文
朱炽荣
邝振星
欧树华
罗建军
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Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Application filed by Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN201711151110.8A priority Critical patent/CN107727977A/en
Publication of CN107727977A publication Critical patent/CN107727977A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/17Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

The invention discloses a kind of wireless monitoring device with leakage current detection function, including micro-chip processor circuit, wireless communication module, signaling conversion circuit, isolation circuit, sampling sensor, signal processing circuit, overvoltage sensor and signal capture circuit.The present invention possesses the break-make indicator function of disconnector, and when the leakage current in monitored overvoltage protection device and disconnector signal exceed threshold value, the present invention can send alarm.In addition, by transmitting wirelessly technology, device volume is small, and wireless connection is easy for installation, to space without particular/special requirement.User is visual and clear by radio receiver reading, remote-controlled operation safe ready, and radio receiver records the break-make instruction state received automatically, the later stage can also enquiry of historical data, improve operating efficiency.

Description

The overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows
Technical field
The present invention relates to overvoltage protection device monitoring field, is protected more particularly, to the overvoltage that a kind of band logical severed finger shows Protect device wireless monitoring device.
Background technology
Be equipped with a number of overvoltage protection device in outdoor substation, for example, arrester, capacitor bank into it is excessively electric Press protector.Mainly it is made up of inside these overvoltage protection devices zinc oxide valve plate.When the certain time limit of overvoltage protection device work Afterwards, its internal valve block characteristic can gradual aging, it is serious has breakdown, explode equivalent risk, built-in disconnector is possible to disconnect. , all can the supporting various types of protector monitoring dresses of installation in order to monitor the working condition of overvoltage protection device and degree of aging Put.Most of monitoring device is all mechanical, and testing result is inaccurate.
The content of the invention
Instant invention overcomes the defects of above-mentioned existing mechanical overvoltage protection device detection means, there is provided a kind of new The overvoltage protection device wireless monitoring device that band logical severed finger shows.The present invention can by the leakage current to overvoltage protection device and Disconnector is analyzed, so as to there is one objectively to judge to overvoltage protection device.The present apparatus is judged by electric current, than existing There is mechanical device more accurate.
In order to solve the above technical problems, technical scheme is as follows:
The overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows, including micro-chip processor circuit, it is characterised in that also Including wireless communication module, signaling conversion circuit, isolation circuit, sampling sensor, signal processing circuit, overvoltage sensor and Signal capture circuit, wherein,
The input stage of described wireless communication module electrically connects with the output-stage circuit of micro-chip processor circuit;
The input stage of described signaling conversion circuit electrically connects with disconnector;
The input stage of described signaling conversion circuit electrically connects with the input stage of isolation circuit;
The output stage of described signaling conversion circuit electrically connects with the first input stage of micro-chip processor circuit;
The output stage of described isolation circuit electrically connects with the second input stage of micro-chip processor circuit;
The input stage of described sampling sensor samples to the leakage current of overvoltage protection, sampling sensor it is defeated Go out level to electrically connect with the input stage of signal processing circuit;
The output end of described signal processing circuit electrically connects with the 3rd input stage of micro-chip processor circuit;
The output stage of described overvoltage sensor electrically connects with the output stage of sampling sensor;
The output stage of described overvoltage sensor electrically connects with the input stage of signal capture circuit;
The output stage of described signal capture circuit electrically connects with the first input stage of micro-chip processor circuit.
The course of work of invention is as follows:
S1:Signaling conversion circuit samples to the electric signal of disconnector, the signal that isolation circuit samples signaling conversion circuit Phototube Coupling and signal transacting are carried out, obtains the signal of disconnector;
S2:Sampling sensor samples to the leakage current of overvoltage protection, and signal processing circuit is to sampling sensor Sampled signal carry out data processing, obtain the signal of leakage current;
S3:Overvoltage sensor is counted to overvoltage phenomenon, and count signal is carried out into signal by signal capture circuit Processing, obtains the signal of overvoltage;
S4:Micro-chip processor circuit is analyzed the signal of the signal of disconnector, the signal of leakage current and overvoltage, is obtained Analysis result on disconnector;
S5:Micro-chip processor circuit sends analysis result to superior system by wireless communication module.
In a kind of preferable scheme, described isolation circuit includes the first electric pathway and the second electric pathway;It is described every Input stage from circuit includes two inputs, and described two inputs are defined as R1.1 and R1.2;Described isolation circuit Output stage include 2 output ends, described 2 output ends are defined as C1.1 and C1.2;Wherein,
The first described electric pathway includes the first voltage-regulator diode, first resistor, 3rd resistor, the first light emitting diode, first Phototriode and the first electric capacity, its annexation are as follows:
Input R1.1 of the one end of described first resistor as the first electric pathway, the other end and 3rd resistor of first resistor One end electrical connection;
The other end of described 3rd resistor electrically connects with the negative electrode of the first voltage-regulator diode;
The anode of the first described voltage-regulator diode electrically connects with the anode of the first light emitting diode;
The minus earth of the first described light emitting diode;
The first described light emitting diode is coupled with the first phototriode by photoelectricity form;
Output end C1.1 of the colelctor electrode of the first described phototriode as the first electric pathway, the collection of the first phototriode Electrode electrically connects with one end of the first electric capacity;
The emitting stage of the first described phototriode electrically connects with the other end of the first electric capacity, the transmitting of the first phototriode Level ground connection;
The second described electric pathway includes the second voltage-regulator diode, second resistance, the second light emitting diode, the second phototriode It is as follows with the second electric capacity, its annexation:
Input R1.2 of the one end of described second resistance as the first electric pathway, the other end of second resistance and the second voltage stabilizing The negative electrode electrical connection of diode;
The anode of the second described voltage-regulator diode electrically connects with the anode of the second light emitting diode;
The minus earth of the second described light emitting diode;
The second described light emitting diode is coupled with the second phototriode by photoelectricity form;
Output end C1.2 of the colelctor electrode of the second described phototriode as the second electric pathway, the collection of the second phototriode Electrode electrically connects with one end of the second electric capacity;
The emitting stage of the second described phototriode electrically connects with the other end of the second electric capacity, the transmitting of the second phototriode Level ground connection.
In this preferred scheme, Phototube Coupling has been used, it is therefore an objective to separated forceful electric power signal with weak electric signal, guarantee is set Standby safety.
In a kind of preferable scheme, described signaling conversion circuit include the first Transient Suppression Diode, the 3rd electric capacity, 3rd resistor, the 4th resistance, the 5th resistance, the first diode, the first NPN triode, the first relay, the 3rd electric pathway, Four electric pathways, operational amplifier and filter protective circuit;The input stage of described signaling conversion circuit includes 2 inputs, institute Two inputs stated are defined as R2.1 and R2.2;The output stage of described signaling conversion circuit includes 1 output end, described Output end is defined as C2.1, wherein,
Input R2.1 of the input of the 3rd described electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway with The in-phase input end electrical connection of operational amplifier;
Input R2.2 of the input of the 4th described electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway with The inverting input electrical connection of operational amplifier;
Described R2.1 electrically connects with R1.1;
Described R2.2 electrically connects with R1.2;
No. 1 pin of described operational amplifier electrically connects with one end of the 5th resistance;
No. 8 pins of described operational amplifier electrically connect with the other end of the 5th resistance;
The input of the 3rd described electric pathway electrically connects with one end of the first Transient Suppression Diode;
The input of the 4th described electric pathway electrically connects with the other end of the first Transient Suppression Diode;
The input of the 3rd described electric pathway electrically connects with one end of the 4th resistance;
The described other end of the 4th resistance electrically connects with the input R1.1 of the first electric pathway;
The described input of the 4th electric pathway electrically connects with the input R1.2 of the first electric pathway;
The in-phase input end of described operational amplifier electrically connects with one end of the 3rd electric capacity;
The inverting input of described operational amplifier electrically connects with the other end of the 3rd electric capacity;
The output end of described operational amplifier electrically connects with the input of filter protective circuit;
The output end of described filter protective circuit electrically connects with one end of the 4th resistance;
The other end of the 4th described resistance electrically connects with the ground level of the first NPN triode;
The emitting stage ground connection of the first described NPN triode;
The colelctor electrode of the first described NPN triode electrically connects with the anode of the first diode;
The negative electrode and power electric connection of the first described diode;
The negative electrode of the first described diode electrically connects with the first control terminal of the first relay;
The anode of the first described diode electrically connects with the second control terminal of the first relay;
First output termination power of the first described relay;
Output end C2.1 of second output end of the first described relay as signaling conversion circuit;
The 3rd described electric pathway includes the first inductance, the second Transient Suppression Diode, the 6th resistance, the 7th resistance and the 4th electricity Hold, its annexation is as follows:
Input of the one end of the first described inductance as the 3rd electric pathway, the other end of the first inductance and the second transient state suppress One end electrical connection of diode;
The other end ground connection of the second described Transient Suppression Diode;
The other end of the first described inductance electrically connects with one end of the 6th resistance;
The other end ground connection of the 6th described resistance;
The other end of the first described inductance electrically connects with one end of the 7th resistance;
The other end of the 7th described resistance electrically connects with one end of the 4th electric capacity;
The other end ground connection of the 4th described electric capacity;
Output end of the other end of the 7th described resistance as the 3rd electric pathway;
The 4th described electric pathway includes the second inductance, the 3rd Transient Suppression Diode, the 8th resistance, the 9th resistance and the 5th electricity Hold, its annexation is as follows:
Input of the one end of the second described inductance as the 4th electric pathway, the other end of the second inductance and the 3rd transient state suppress One end electrical connection of diode;
The other end ground connection of the 3rd described Transient Suppression Diode;
The other end of the second described inductance electrically connects with one end of the 8th resistance;
The other end ground connection of the 8th described resistance;
The other end of the second described inductance electrically connects with one end of the 9th resistance;
The other end of the 9th described resistance electrically connects with one end of the 5th electric capacity;
The other end ground connection of the 5th described electric capacity;
Output end of the other end of the 9th described resistance as the 4th electric pathway;
Described filter protective circuit includes the 6th electric capacity, the second diode and the 3rd diode, and its annexation is as follows:
Input of the one end of the 6th described electric capacity as filter protective circuit, one end and the 3rd diode of the 6th electric capacity Anode electrically connects;
The negative electrode of the 3rd described diode connects power supply;
The other end ground connection of the 6th described electric capacity;
The other end of the 6th described electric capacity electrically connects with the anode of the second diode;
The negative electrode of the second described diode electrically connects with one end of the 4th electric capacity;
Output end of the one end of the 6th described electric capacity as filter protective circuit.
In this preferred scheme, the first inductance and the second inductance provide the function of filtering;6th resistance and the 8th resistance will be de- Fuse signals from device are converted into voltage signal;7th resistance, the 9th resistance, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity composition Filter network;First Transient Suppression Diode, the second Transient Suppression Diode, the 3rd Transient Suppression Diode are protected to signal Shield;Operational amplifier is amplified to signal;Micro-chip processor is judged by the output signal of the first relay and isolation circuit The situation of disconnector.
In a kind of preferable scheme, described signal processing circuit include the 4th Transient Suppression Diode, the 7th electric capacity, Tenth resistance, instrument amplifier, the 3rd inductance, the 4th diode, the 5th diode, the 8th electric capacity, the 5th electric pathway and the 6th Electric pathway;The input stage of described signal processing circuit includes 2 inputs, described two inputs be defined as R3.1 and R3.2;The output stage of described signal processing circuit includes 1 output end, and described input is defined as C3.1, wherein,
Input R3.1 of the input of the 5th described electric pathway as signaling conversion circuit, the output end of the 5th electric pathway with The in-phase input end electrical connection of instrument amplifier;
Input R3.2 of the input of the 6th described electric pathway as signaling conversion circuit, the output end of the 6th electric pathway with The inverting input electrical connection of instrument amplifier;
No. 1 pin of described instrument amplifier electrically connects with one end of the tenth resistance;
No. 8 pins of described instrument amplifier electrically connect with the other end of the tenth resistance;
The input of the 5th described electric pathway electrically connects with one end of the 4th Transient Suppression Diode;
The input of the 6th described electric pathway electrically connects with the other end of the 4th Transient Suppression Diode;
The in-phase input end of described instrument amplifier electrically connects with one end of the 7th electric capacity;
The inverting input of described instrument amplifier electrically connects with the other end of the 7th electric capacity;
The output end of described instrument amplifier electrically connects with one end of the 3rd inductance;
The other end of the 3rd described inductance electrically connects with one end of the 8th electric capacity;
The other end ground connection of the 8th described electric capacity;
One end of the 8th described electric capacity electrically connects with the anode of the 4th diode;
The negative electrode and power electric connection of the 4th described diode;
One end of the 8th described electric capacity electrically connects with the negative electrode of the 5th diode;
The plus earth of the 5th described diode;
Output end C3.1 of the one end of the 8th described electric capacity as signal processing circuit;
The 5th described electric pathway includes the 4th inductance, the 5th Transient Suppression Diode, the 11st resistance, thermistor and the 8th Electric capacity, its annexation are as follows:
Input of the one end of the 4th described inductance as the 5th electric pathway, the other end of the 4th inductance and the 5th transient state suppress One end electrical connection of diode;
The other end ground connection of the 5th described Transient Suppression Diode;
The other end of the 4th described inductance electrically connects with one end of thermistor;
The other end ground connection of described thermistor;
The other end of the 4th described inductance electrically connects with one end of the 11st resistance;
The other end of the 11st described resistance electrically connects with one end of the 8th electric capacity;
The other end ground connection of the 8th described electric capacity;
Output end of the other end of the 11st described resistance as the 5th electric pathway;
The 6th described electric pathway includes the 5th inductance, the 6th Transient Suppression Diode, the 12nd resistance, the 13rd resistance and the Ten electric capacity, its annexation are as follows:
Input of the one end of the 5th described inductance as the 6th electric pathway, the other end of the 5th inductance and the 6th transient state suppress One end electrical connection of diode;
The other end ground connection of the 6th described Transient Suppression Diode;
The other end of the 5th described inductance electrically connects with one end of the 12nd resistance;
The other end ground connection of the 12nd described resistance;
The other end of the 5th described inductance electrically connects with one end of the 13rd resistance;
The other end of the 13rd described resistance electrically connects with one end of the tenth electric capacity;
The other end ground connection of the tenth described electric capacity;
Output end of the other end of the 13rd described resistance as the 6th electric pathway.
In this preferred scheme, the 4th inductance and the 5th inductance provide the function of filtering;11st resistance, the 13rd resistance, 7th electric capacity, the 9th electric capacity, the tenth electric capacity composition filter network;4th Transient Suppression Diode, the 5th Transient Suppression Diode, 6th Transient Suppression Diode is protected to signal;Instrument amplifier is amplified to signal.
In a kind of preferable scheme, described signal capture circuit includes the 14th resistance, the 15th resistance, the six or two Pole pipe, the 3rd light emitting diode, the 3rd photosensitive NPN triode and the 11st electric capacity;The input stage of described signal capture circuit Including 2 inputs, described two inputs are defined as R4.1 and R4.2;The output end definition of described signal capture circuit For C2.1, wherein,
Described R4.1 and R3.1 electrical connections;
Described R4.2 and R3.2 electrical connections;
One end of the 14th described resistance is electrically connected as R4.1, the negative electrode of the other end and the 6th diode of the 14th resistance Connect;
The anode of the 6th described diode is as R2.2;
The negative electrode of the 6th described diode electrically connects with the anode of the 3rd light emitting diode;
The anode of the 6th described diode electrically connects with the negative electrode of the 3rd light emitting diode;
The 3rd described light emitting diode is coupled with the 3rd phototriode by photoelectricity form;
The emitting stage ground connection of the 3rd described phototriode;
The emitting stage of the 3rd described phototriode electrically connects with one end of the 11st electric capacity;
The colelctor electrode of the 3rd described phototriode electrically connects with the other end of the 11st electric capacity;
The colelctor electrode of the 3rd described phototriode electrically connects with one end of the 15th resistance;
Another termination power of the 15th described resistance;
Output end C2.1 of the colelctor electrode of the 3rd described phototriode as signal capture circuit.
In this preferred scheme, Phototube Coupling has been used, it is therefore an objective to separated forceful electric power signal with weak electric signal, guarantee is set Standby safety.
In a kind of preferable scheme, described micro-chip processor circuit includes LM1117-3.3 voltage conversion chips, the Seven diodes, the 12nd electric capacity and the 13rd electric capacity, wherein,
No. 3 pins and power electric connection of described LM1117-3.3 voltage conversion chips;
No. 3 pins of described LM1117-3.3 voltage conversion chips electrically connect with the negative electrode of the 7th diode;
The plus earth of the 7th described diode;
No. 3 pins of described LM1117-3.3 voltage conversion chips electrically connect with one end of the 12nd electric capacity;
The other end ground connection of the 12nd described electric capacity;
No. 1 pin ground connection of described LM1117-3.3 voltage conversion chips;
No. 2 pins of described LM1117-3.3 voltage conversion chips electrically connect with one end of the 13rd electric capacity;
The other end ground connection of the 13rd described electric capacity.
This preferred scheme is used to signal being depressured, and meets the voltage request of micro-chip processor pin.
In a kind of preferable scheme, described micro-chip processor circuit also includes STM32F103C8T6, the 16th electricity Resistance, the 17th resistance, the 18th resistance, the 19th resistance, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity, the 17th electricity Appearance, the 18th electric capacity, the 19th electric capacity, the 20th electric capacity and the 4th light emitting diode, wherein,
Described STM32F103C8T6 No. 1 pin connects power supply;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 16th resistance;
Another termination power of the 16th described resistance;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 6th electric capacity;
The other end ground connection of the 6th described electric capacity;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 20th electric capacity;
The other end ground connection of the 20th described electric capacity;
Described STM32F103C8T6 No. 8 pins electrically connect with one end of the 14th electric capacity;
Described STM32F103C8T6 No. 8 pins electrically connect with one end of the 15th electric capacity;
Described STM32F103C8T6 No. 8 pins ground connection;
Described STM32F103C8T6 No. 9 pins electrically connect with the other end of the 14th electric capacity;
Described STM32F103C8T6 No. 9 pins electrically connect with the other end of the 15th electric capacity;
Described STM32F103C8T6 No. 9 pins connect power supply;
Described STM32F103C8T6 No. 11 pins electrically connect with one end of the 17th resistance;
The other end of the 17th described resistance electrically connects with the anode of the 4th light emitting diode;
The minus earth of the 4th described light emitting diode;
Described STM32F103C8T6 No. 15 pins electrically connect with the output end C3.1 of signal processing circuit;
Described STM32F103C8T6 No. 16 pins electrically connect with the output end C2.1 of signal capture circuit;
Described STM32F103C8T6 No. 16 pins electrically connect with the output end C2.1 of signaling conversion circuit;
Described STM32F103C8T6 No. 18 pins electrically connect with the output end C1.1 of isolation circuit;
Described STM32F103C8T6 No. 19 pins electrically connect with the output end C1.2 of isolation circuit;
Described STM32F103C8T6 No. 20 pins electrically connect with one end of the 18th resistance;
The other end ground connection of the 18th described resistance;
Described STM32F103C8T6 No. 23 pins ground connection;
Described STM32F103C8T6 No. 23 pins electrically connect with one end of the 16th electric capacity;
Described STM32F103C8T6 No. 24 pins electrically connect with the other end of the 16th electric capacity;
Described STM32F103C8T6 No. 24 pins ground connection;
Described STM32F103C8T6 No. 35 pins ground connection;
Described STM32F103C8T6 No. 35 pins electrically connect with one end of the 17th electric capacity;
Described STM32F103C8T6 No. 36 pins electrically connect with the other end of the 17th electric capacity;
Described STM32F103C8T6 No. 36 pins ground connection;
Described STM32F103C8T6 No. 44 pins electrically connect with one end of the 19th resistance;
The other end ground connection of the 19th described resistance;
Described STM32F103C8T6 No. 47 pins electrically connect with one end of the 18th electric capacity;
Described STM32F103C8T6 No. 47 pins electrically connect with one end of the 19th electric capacity;
Described STM32F103C8T6 No. 47 pins ground connection;
Described STM32F103C8T6 No. 48 pins electrically connect with the other end of the 18th electric capacity;
Described STM32F103C8T6 No. 48 pins electrically connect with the other end of the 19th electric capacity;
Described STM32F103C8T6 No. 48 pins connect power supply.
In this preferred scheme, the output signal of STM32F103C8T6 No. 15 pin reception signal process circuits; STM32F103C8T6 No. 16 pin reception signals catch the output signal of circuit and signaling conversion circuit;STM32F103C8T6 No. 18 pins and No. 19 pins receive the output signal of isolation circuit.
In a kind of preferable scheme, described wireless communication module includes wireless communication chips, the 8th diode and guarantor Dangerous silk, wherein,
The VCC pin of described wireless communication chips connects power supply;
The GND pin ground connection of described wireless communication chips;
The TXD1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 21 pins;
The RXD1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 22 pins;
The CON1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 28 pins;
The RGND pins ground connection of described wireless communication chips;
The CON2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 32 pins;
The RXD2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 31 pins;
The TXD2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 30 pins;
The VO pins of described wireless communication chips electrically connect with one end of fuse;
The other end of described fuse electrically connects with the negative electrode of the 8th diode;
Another termination power of described fuse;
The plus earth of the 8th described diode.
In this preferred scheme, STM32F103C8T6 No. 21 pins, No. 22 pins, No. 28 pins, No. 30 pins, No. 31 Pin and No. 32 pins are used to carry out radio communication.
In a kind of preferable scheme, described wireless monitoring device also includes watchdog module, described house dog mould Block periodically with wireless communication module and micro-chip processor circuit communication, if wireless communication module or micro-chip processor circuit can not ring It should communicate, then restart corresponding circuit.
In a kind of preferable scheme, described wireless monitoring device also includes power supply, and described power supply is to wireless monitor Device is powered.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
1st, the present invention possesses the break-make indicator function of disconnector, when the leakage current in monitored overvoltage protection device and disengaging When device signal exceeds threshold value, the present invention can send alarm;
2nd, the present invention uses wireless transmission technology, and device volume is small, wireless connection, easy for installation, to space without particular/special requirement;
3rd, secondly, user is visual and clear by radio receiver reading, remote-controlled operation safe ready, and radio receiver is certainly It is dynamic to record the break-make instruction state that receives, the later stage can also enquiry of historical data, improve operating efficiency.
Brief description of the drawings
Fig. 1 is example structure figure.
Fig. 2 is embodiment isolates circuit diagram.
Fig. 3 is signal conversion circuit figure.
Fig. 4 is embodiment signal processing circuit and signal capture circuit diagram.
Fig. 5 is embodiment LM1117-3.3 voltage conversion chip circuit diagrams.
Fig. 6 is embodiment STM32F103C8T6 circuit diagrams.
Fig. 7 is embodiment wireless communication module circuit diagram.
Fig. 8 is embodiment installation example figure.
Label declaration:1. overvoltage protection device;2. embodiment monitoring device;3. nut is installed.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent;
To those skilled in the art, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Technical scheme is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows, including micro-chip processor electricity Road, wireless communication module, signaling conversion circuit, isolation circuit, sampling sensor, signal processing circuit, overvoltage sensor, letter Number circuit, power supply and watchdog module are caught, wherein,
The input stage of wireless communication module electrically connects with the output-stage circuit of micro-chip processor circuit;
The input stage of signaling conversion circuit electrically connects with disconnector;
The input stage of signaling conversion circuit electrically connects with the input stage of isolation circuit;
The output stage of signaling conversion circuit electrically connects with the first input stage of micro-chip processor circuit;
The output stage of isolation circuit electrically connects with the second input stage of micro-chip processor circuit;
The input stage of sampling sensor samples to the leakage current of overvoltage protection, the output stage of sampling sensor with The input stage electrical connection of signal processing circuit;
The output end of signal processing circuit electrically connects with the 3rd input stage of micro-chip processor circuit;
The output stage of overvoltage sensor electrically connects with the output stage of sampling sensor;
The output stage of overvoltage sensor electrically connects with the input stage of signal capture circuit;
The output stage of signal capture circuit electrically connects with the first input stage of micro-chip processor circuit;
Watchdog module periodically with wireless communication module and micro-chip processor circuit communication, if wireless communication module or microprocessor core Piece circuit cannot respond to communicate, then restarts corresponding circuit.
As shown in Fig. 2 isolation circuit includes the first electric pathway and the second electric pathway;The input stage of isolation circuit includes two Input, two inputs are defined as SPD-2A and SPD-2B;The output stage of isolation circuit includes 2 output ends, 2 output ends It is defined as SW-SPD2A and SW-SPD2B;Wherein,
First electric pathway includes the first voltage-regulator diode, first resistor, 3rd resistor, the first light emitting diode, first photosensitive three Pole pipe and the first electric capacity, its annexation are as follows:
Input SPD-2A of the one end of first resistor as the first electric pathway, the other end of first resistor and the one of 3rd resistor End electrical connection;
The other end of 3rd resistor electrically connects with the negative electrode of the first voltage-regulator diode;
The anode of first voltage-regulator diode electrically connects with the anode of the first light emitting diode;
The minus earth of first light emitting diode;
First light emitting diode is coupled with the first phototriode by photoelectricity form;
Output end SW-SPD2A of the colelctor electrode of first phototriode as the first electric pathway, the current collection of the first phototriode Pole electrically connects with one end of the first electric capacity;
The emitting stage of first phototriode electrically connects with the other end of the first electric capacity, and the emitting stage of the first phototriode connects Ground;
Second electric pathway includes the second voltage-regulator diode, second resistance, the second light emitting diode, the second phototriode and second Electric capacity, its annexation are as follows:
Input SPD-2B of the one end of second resistance as the first electric pathway, the other end of second resistance and the pole of the second voltage stabilizing two The negative electrode electrical connection of pipe;
The anode of second voltage-regulator diode electrically connects with the anode of the second light emitting diode;
The minus earth of second light emitting diode;
Second light emitting diode is coupled with the second phototriode by photoelectricity form;
Output end SW-SPD2B of the colelctor electrode of second phototriode as the second electric pathway, the current collection of the second phototriode Pole electrically connects with one end of the second electric capacity;
The emitting stage of second phototriode electrically connects with the other end of the second electric capacity, and the emitting stage of the second phototriode connects Ground.
As shown in figure 3, signaling conversion circuit includes the first Transient Suppression Diode, the 3rd electric capacity, 3rd resistor, the 4th electricity Resistance, the 5th resistance, the first diode, the first NPN triode, the first relay, the 3rd electric pathway, the 4th electric pathway, computing are put Big device and filter protective circuit;The input stage of signaling conversion circuit includes 2 inputs, two inputs be defined as PTB- and PTB+;The output stage of signaling conversion circuit includes 1 output end, and output end is defined as Count-C, wherein,
Input PTB- of the input of 3rd electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway are put with computing The in-phase input end electrical connection of big device;
Input PTB+ of the input of 4th electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway are put with computing The inverting input electrical connection of big device;
No. 1 pin of operational amplifier electrically connects with one end of the 5th resistance;
No. 8 pins of operational amplifier electrically connect with the other end of the 5th resistance;
The input of 3rd electric pathway electrically connects with one end of the first Transient Suppression Diode;
The input of 4th electric pathway electrically connects with the other end of the first Transient Suppression Diode;
The input of 3rd electric pathway electrically connects with one end of the 4th resistance;
The other end of 4th resistance electrically connects with the input SPD-2A of the first electric pathway;
The input of 4th electric pathway electrically connects with the input SPD-2B of the first electric pathway;
The in-phase input end of operational amplifier electrically connects with one end of the 3rd electric capacity;
The inverting input of operational amplifier electrically connects with the other end of the 3rd electric capacity;
The output end of operational amplifier electrically connects with the input of filter protective circuit;
The output end of filter protective circuit electrically connects with one end of the 4th resistance;
The other end of 4th resistance electrically connects with the ground level of the first NPN triode;
The emitting stage ground connection of first NPN triode;
The colelctor electrode of first NPN triode electrically connects with the anode of the first diode;
The negative electrode and power electric connection of first diode;
The negative electrode of first diode electrically connects with the first control terminal of the first relay;
The anode of first diode electrically connects with the second control terminal of the first relay;
First output termination power of the first relay;
Output end Count-C of second output end of the first relay as signaling conversion circuit;
3rd electric pathway includes the first inductance, the second Transient Suppression Diode, the 6th resistance, the 7th resistance and the 4th electric capacity, its Annexation is as follows:
Input of the one end of first inductance as the 3rd electric pathway, the other end of the first inductance and the second Transient Suppression Diode One end electrical connection;
The other end ground connection of second Transient Suppression Diode;
The other end of first inductance electrically connects with one end of the 6th resistance;
The other end ground connection of 6th resistance;
The other end of first inductance electrically connects with one end of the 7th resistance;
The other end of 7th resistance electrically connects with one end of the 4th electric capacity;
The other end ground connection of 4th electric capacity;
Output end of the other end of 7th resistance as the 3rd electric pathway;
4th electric pathway includes the second inductance, the 3rd Transient Suppression Diode, the 8th resistance, the 9th resistance and the 5th electric capacity, its Annexation is as follows:
Input of the one end of second inductance as the 4th electric pathway, the other end of the second inductance and the 3rd Transient Suppression Diode One end electrical connection;
The other end ground connection of 3rd Transient Suppression Diode;
The other end of second inductance electrically connects with one end of the 8th resistance;
The other end ground connection of 8th resistance;
The other end of second inductance electrically connects with one end of the 9th resistance;
The other end of 9th resistance electrically connects with one end of the 5th electric capacity;
The other end ground connection of 5th electric capacity;
Output end of the other end of 9th resistance as the 4th electric pathway;
Filter protective circuit includes the 6th electric capacity, the second diode and the 3rd diode, and its annexation is as follows:
Input of the one end of 6th electric capacity as filter protective circuit, one end of the 6th electric capacity and the anode electricity of the 3rd diode Connection;
The negative electrode of 3rd diode connects power supply;
The other end ground connection of 6th electric capacity;
The other end of 6th electric capacity electrically connects with the anode of the second diode;
The negative electrode of second diode electrically connects with one end of the 4th electric capacity;
Output end of the one end of 6th electric capacity as filter protective circuit.
Put as shown in figure 4, signal processing circuit includes the 4th Transient Suppression Diode, the 7th electric capacity, the tenth resistance, instrument Big device, the 3rd inductance, the 4th diode, the 5th diode, the 8th electric capacity, the 5th electric pathway and the 6th electric pathway;Signal transacting The input stage of circuit includes 2 inputs, and two inputs are defined as PTC- and PTC+;The output stage of signal processing circuit includes 1 output end, input are defined as Corrent-C, wherein,
Input PTC- of the input of 5th electric pathway as signaling conversion circuit, the output end of the 5th electric pathway are put with instrument The in-phase input end electrical connection of big device;
Input PTC+ of the input of 6th electric pathway as signaling conversion circuit, the output end of the 6th electric pathway are put with instrument The inverting input electrical connection of big device;
No. 1 pin of instrument amplifier electrically connects with one end of the tenth resistance;
No. 8 pins of instrument amplifier electrically connect with the other end of the tenth resistance;
The input of 5th electric pathway electrically connects with one end of the 4th Transient Suppression Diode;
The input of 6th electric pathway electrically connects with the other end of the 4th Transient Suppression Diode;
The in-phase input end of instrument amplifier electrically connects with one end of the 7th electric capacity;
The inverting input of instrument amplifier electrically connects with the other end of the 7th electric capacity;
The output end of instrument amplifier electrically connects with one end of the 3rd inductance;
The other end of 3rd inductance electrically connects with one end of the 8th electric capacity;
The other end ground connection of 8th electric capacity;
One end of 8th electric capacity electrically connects with the anode of the 4th diode;
The negative electrode and power electric connection of 4th diode;
One end of 8th electric capacity electrically connects with the negative electrode of the 5th diode;
The plus earth of 5th diode;
Output end Corrent-C of the one end of 8th electric capacity as signal processing circuit;
5th electric pathway includes the 4th inductance, the 5th Transient Suppression Diode, the 11st resistance, thermistor and the 8th electric capacity, Its annexation is as follows:
Input of the one end of 4th inductance as the 5th electric pathway, the other end and the 5th Transient Suppression Diode of the 4th inductance One end electrical connection;
The other end ground connection of 5th Transient Suppression Diode;
The other end of 4th inductance electrically connects with one end of thermistor;
The other end ground connection of thermistor;
The other end of 4th inductance electrically connects with one end of the 11st resistance;
The other end of 11st resistance electrically connects with one end of the 8th electric capacity;
The other end ground connection of 8th electric capacity;
Output end of the other end of 11st resistance as the 5th electric pathway;
6th electric pathway includes the 5th inductance, the 6th Transient Suppression Diode, the 12nd resistance, the 13rd resistance and the tenth electricity Hold, its annexation is as follows:
Input of the one end of 5th inductance as the 6th electric pathway, the other end and the 6th Transient Suppression Diode of the 5th inductance One end electrical connection;
The other end ground connection of 6th Transient Suppression Diode;
The other end of 5th inductance electrically connects with one end of the 12nd resistance;
The other end ground connection of 12nd resistance;
The other end of 5th inductance electrically connects with one end of the 13rd resistance;
The other end of 13rd resistance electrically connects with one end of the tenth electric capacity;
The other end ground connection of tenth electric capacity;
Output end of the other end of 13rd resistance as the 6th electric pathway.
Signal capture circuit includes the 14th resistance, the 15th resistance, the 6th diode, the 3rd light emitting diode, the 3rd Photosensitive NPN triode and the 11st electric capacity;The input stage of signal capture circuit includes 2 inputs, and two inputs are defined as PTC- and PTC+;The output end of signal capture circuit is defined as Count-C, wherein,
One end of 14th resistance electrically connects as PTC-, the other end of the 14th resistance with the negative electrode of the 6th diode;
The anode of 6th diode is as PTC+;
The negative electrode of 6th diode electrically connects with the anode of the 3rd light emitting diode;
The anode of 6th diode electrically connects with the negative electrode of the 3rd light emitting diode;
3rd light emitting diode is coupled with the 3rd phototriode by photoelectricity form;
The emitting stage ground connection of 3rd phototriode;
The emitting stage of 3rd phototriode electrically connects with one end of the 11st electric capacity;
The colelctor electrode of 3rd phototriode electrically connects with the other end of the 11st electric capacity;
The colelctor electrode of 3rd phototriode electrically connects with one end of the 15th resistance;
Another termination power of 15th resistance;
Output end Count-C of the colelctor electrode of 3rd phototriode as signal capture circuit.
As shown in figure 5, micro-chip processor circuit includes LM1117-3.3 voltage conversion chips, the 7th diode, the 12nd Electric capacity and the 13rd electric capacity, wherein,
No. 3 pins and power electric connection of LM1117-3.3 voltage conversion chips;
No. 3 pins of LM1117-3.3 voltage conversion chips electrically connect with the negative electrode of the 7th diode;
The plus earth of 7th diode;
No. 3 pins of LM1117-3.3 voltage conversion chips electrically connect with one end of the 12nd electric capacity;
The other end ground connection of 12nd electric capacity;
No. 1 pin ground connection of LM1117-3.3 voltage conversion chips;
No. 2 pins of LM1117-3.3 voltage conversion chips electrically connect with one end of the 13rd electric capacity;
The other end ground connection of 13rd electric capacity.
As shown in fig. 6, micro-chip processor circuit also includes STM32F103C8T6, the 16th resistance, the 17th resistance, the 18 resistance, the 19th resistance, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity, the 17th electric capacity, the 18th electric capacity, 19 electric capacity, the 20th electric capacity and the 4th light emitting diode, wherein,
STM32F103C8T6 No. 1 pin connects power supply;
STM32F103C8T6 No. 7 pins electrically connect with one end of the 16th resistance;
Another termination power of 16th resistance;
STM32F103C8T6 No. 7 pins electrically connect with one end of the 6th electric capacity;
The other end ground connection of 6th electric capacity;
STM32F103C8T6 No. 7 pins electrically connect with one end of the 20th electric capacity;
The other end ground connection of 20th electric capacity;
STM32F103C8T6 No. 8 pins electrically connect with one end of the 14th electric capacity;
STM32F103C8T6 No. 8 pins electrically connect with one end of the 15th electric capacity;
STM32F103C8T6 No. 8 pins ground connection;
STM32F103C8T6 No. 9 pins electrically connect with the other end of the 14th electric capacity;
STM32F103C8T6 No. 9 pins electrically connect with the other end of the 15th electric capacity;
STM32F103C8T6 No. 9 pins connect power supply;
STM32F103C8T6 No. 11 pins electrically connect with one end of the 17th resistance;
The other end of 17th resistance electrically connects with the anode of the 4th light emitting diode;
The minus earth of 4th light emitting diode;
STM32F103C8T6 No. 15 pins electrically connect with the output end Corrent-C of signal processing circuit;
STM32F103C8T6 No. 16 pins electrically connect with the output end Count-C of signal capture circuit;
STM32F103C8T6 No. 16 pins electrically connect with the output end Count-C of signaling conversion circuit;
STM32F103C8T6 No. 18 pins electrically connect with the output end SW-SPD2A of isolation circuit;
STM32F103C8T6 No. 19 pins electrically connect with the output end SW-SPD2B of isolation circuit;
STM32F103C8T6 No. 20 pins electrically connect with one end of the 18th resistance;
The other end ground connection of 18th resistance;
STM32F103C8T6 No. 23 pins ground connection;
STM32F103C8T6 No. 23 pins electrically connect with one end of the 16th electric capacity;
STM32F103C8T6 No. 24 pins electrically connect with the other end of the 16th electric capacity;
STM32F103C8T6 No. 24 pins ground connection;
STM32F103C8T6 No. 35 pins ground connection;
STM32F103C8T6 No. 35 pins electrically connect with one end of the 17th electric capacity;
STM32F103C8T6 No. 36 pins electrically connect with the other end of the 17th electric capacity;
STM32F103C8T6 No. 36 pins ground connection;
STM32F103C8T6 No. 44 pins electrically connect with one end of the 19th resistance;
The other end ground connection of 19th resistance;
STM32F103C8T6 No. 47 pins electrically connect with one end of the 18th electric capacity;
STM32F103C8T6 No. 47 pins electrically connect with one end of the 19th electric capacity;
STM32F103C8T6 No. 47 pins ground connection;
STM32F103C8T6 No. 48 pins electrically connect with the other end of the 18th electric capacity;
STM32F103C8T6 No. 48 pins electrically connect with the other end of the 19th electric capacity;
STM32F103C8T6 No. 48 pins connect power supply.
As shown in fig. 7, wireless communication module includes wireless communication chips, the 8th diode and fuse, wherein,
The VCC pin of wireless communication chips connects power supply;
The GND pin ground connection of wireless communication chips;
The TXD1 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 21 pins;
The RXD1 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 22 pins;
The CON1 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 28 pins;
The RGND pins ground connection of wireless communication chips;
The CON2 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 32 pins;
The RXD2 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 31 pins;
The TXD2 pins of wireless communication chips electrically connect with STM32F103C8T6 No. 30 pins;
The VO pins of wireless communication chips electrically connect with one end of fuse;
The other end of fuse electrically connects with the negative electrode of the 8th diode;
Another termination power of fuse;
The plus earth of 8th diode.
As shown in figure 8, the present embodiment monitoring device 2 is arranged in the box of metal, metal box passes through nuts and bolt It is connected with overvoltage protection 1.Embodiment is entered by the grounding screw rod of the inside of overvoltage protection 1 to the signal of disconnector Row sampling.
Same or analogous label corresponds to same or analogous part;
Term the being given for example only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent;
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to this hair The restriction of bright embodiment.For those of ordinary skill in the field, can also do on the basis of the above description Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all in the present invention Spirit and principle within all any modification, equivalent and improvement made etc., should be included in the guarantor of the claims in the present invention Within the scope of shield.

Claims (10)

1. the overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows, including micro-chip processor circuit, it is characterised in that Also include wireless communication module, signaling conversion circuit, isolation circuit, sampling sensor, signal processing circuit, overvoltage sensor With signal capture circuit, wherein,
The input stage of described wireless communication module electrically connects with the output-stage circuit of micro-chip processor circuit;
The input stage of described signaling conversion circuit electrically connects with disconnector;
The input stage of described signaling conversion circuit electrically connects with the input stage of isolation circuit;
The output stage of described signaling conversion circuit electrically connects with the first input stage of micro-chip processor circuit;
The output stage of described isolation circuit electrically connects with the second input stage of micro-chip processor circuit;
The input stage of described sampling sensor samples to the leakage current of overvoltage protection, sampling sensor it is defeated Go out level to electrically connect with the input stage of signal processing circuit;
The output end of described signal processing circuit electrically connects with the 3rd input stage of micro-chip processor circuit;
The output stage of described overvoltage sensor electrically connects with the output stage of sampling sensor;
The output stage of described overvoltage sensor electrically connects with the input stage of signal capture circuit;
The output stage of described signal capture circuit electrically connects with the first input stage of micro-chip processor circuit.
2. wireless monitoring device according to claim 1, it is characterised in that described isolation circuit includes the first electric pathway With the second electric pathway;The input stage of described isolation circuit includes two inputs, and described two inputs are defined as R1.1 And R1.2;The output stage of described isolation circuit includes 2 output ends, and described 2 output ends are defined as C1.1 and C1.2;Its In,
The first described electric pathway includes the first voltage-regulator diode, first resistor, 3rd resistor, the first light emitting diode, first Phototriode and the first electric capacity, its annexation are as follows:
Input R1.1 of the one end of described first resistor as the first electric pathway, the other end and 3rd resistor of first resistor One end electrical connection;
The other end of described 3rd resistor electrically connects with the negative electrode of the first voltage-regulator diode;
The anode of the first described voltage-regulator diode electrically connects with the anode of the first light emitting diode;
The minus earth of the first described light emitting diode;
The first described light emitting diode is coupled with the first phototriode by photoelectricity form;
Output end C1.1 of the colelctor electrode of the first described phototriode as the first electric pathway, the collection of the first phototriode Electrode electrically connects with one end of the first electric capacity;
The emitting stage of the first described phototriode electrically connects with the other end of the first electric capacity, the transmitting of the first phototriode Level ground connection;
The second described electric pathway includes the second voltage-regulator diode, second resistance, the second light emitting diode, the second phototriode It is as follows with the second electric capacity, its annexation:
Input R1.2 of the one end of described second resistance as the first electric pathway, the other end of second resistance and the second voltage stabilizing The negative electrode electrical connection of diode;
The anode of the second described voltage-regulator diode electrically connects with the anode of the second light emitting diode;
The minus earth of the second described light emitting diode;
The second described light emitting diode is coupled with the second phototriode by photoelectricity form;
Output end C1.2 of the colelctor electrode of the second described phototriode as the second electric pathway, the collection of the second phototriode Electrode electrically connects with one end of the second electric capacity;
The emitting stage of the second described phototriode electrically connects with the other end of the second electric capacity, the transmitting of the second phototriode Level ground connection.
3. wireless monitoring device according to claim 2, it is characterised in that described signaling conversion circuit included for the first wink State suppresses diode, the 3rd electric capacity, 3rd resistor, the 4th resistance, the 5th resistance, the first diode, the first NPN triode, the One relay, the 3rd electric pathway, the 4th electric pathway, operational amplifier and filter protective circuit;Described signaling conversion circuit Input stage includes 2 inputs, and described two inputs are defined as R2.1 and R2.2;The output of described signaling conversion circuit Level includes 1 output end, and described output end is defined as C2.1, wherein,
Input R2.1 of the input of the 3rd described electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway with The in-phase input end electrical connection of operational amplifier;
Input R2.2 of the input of the 4th described electric pathway as signaling conversion circuit, the output end of the 3rd electric pathway with The inverting input electrical connection of operational amplifier;
Described R2.1 electrically connects with R1.1;
Described R2.2 electrically connects with R1.2;
No. 1 pin of described operational amplifier electrically connects with one end of the 5th resistance;
No. 8 pins of described operational amplifier electrically connect with the other end of the 5th resistance;
The input of the 3rd described electric pathway electrically connects with one end of the first Transient Suppression Diode;
The input of the 4th described electric pathway electrically connects with the other end of the first Transient Suppression Diode;
The input of the 3rd described electric pathway electrically connects with one end of the 4th resistance;
The described other end of the 4th resistance electrically connects with the input R1.1 of the first electric pathway;
The described input of the 4th electric pathway electrically connects with the input R1.2 of the first electric pathway;
The in-phase input end of described operational amplifier electrically connects with one end of the 3rd electric capacity;
The inverting input of described operational amplifier electrically connects with the other end of the 3rd electric capacity;
The output end of described operational amplifier electrically connects with the input of filter protective circuit;
The output end of described filter protective circuit electrically connects with one end of the 4th resistance;
The other end of the 4th described resistance electrically connects with the ground level of the first NPN triode;
The emitting stage ground connection of the first described NPN triode;
The colelctor electrode of the first described NPN triode electrically connects with the anode of the first diode;
The negative electrode and power electric connection of the first described diode;
The negative electrode of the first described diode electrically connects with the first control terminal of the first relay;
The anode of the first described diode electrically connects with the second control terminal of the first relay;
First output termination power of the first described relay;
Output end C2.1 of second output end of the first described relay as signaling conversion circuit;
The 3rd described electric pathway includes the first inductance, the second Transient Suppression Diode, the 6th resistance, the 7th resistance and the 4th electricity Hold, its annexation is as follows:
Input of the one end of the first described inductance as the 3rd electric pathway, the other end of the first inductance and the second transient state suppress One end electrical connection of diode;
The other end ground connection of the second described Transient Suppression Diode;
The other end of the first described inductance electrically connects with one end of the 6th resistance;
The other end ground connection of the 6th described resistance;
The other end of the first described inductance electrically connects with one end of the 7th resistance;
The other end of the 7th described resistance electrically connects with one end of the 4th electric capacity;
The other end ground connection of the 4th described electric capacity;
Output end of the other end of the 7th described resistance as the 3rd electric pathway;
The 4th described electric pathway includes the second inductance, the 3rd Transient Suppression Diode, the 8th resistance, the 9th resistance and the 5th electricity Hold, its annexation is as follows:
Input of the one end of the second described inductance as the 4th electric pathway, the other end of the second inductance and the 3rd transient state suppress One end electrical connection of diode;
The other end ground connection of the 3rd described Transient Suppression Diode;
The other end of the second described inductance electrically connects with one end of the 8th resistance;
The other end ground connection of the 8th described resistance;
The other end of the second described inductance electrically connects with one end of the 9th resistance;
The other end of the 9th described resistance electrically connects with one end of the 5th electric capacity;
The other end ground connection of the 5th described electric capacity;
Output end of the other end of the 9th described resistance as the 4th electric pathway;
Described filter protective circuit includes the 6th electric capacity, the second diode and the 3rd diode, and its annexation is as follows:
Input of the one end of the 6th described electric capacity as filter protective circuit, one end and the 3rd diode of the 6th electric capacity Anode electrically connects;
The negative electrode of the 3rd described diode connects power supply;
The other end ground connection of the 6th described electric capacity;
The other end of the 6th described electric capacity electrically connects with the anode of the second diode;
The negative electrode of the second described diode electrically connects with one end of the 4th electric capacity;
Output end of the one end of the 6th described electric capacity as filter protective circuit.
4. wireless monitoring device according to claim 3, it is characterised in that described signal processing circuit included for the 4th wink State suppresses diode, the 7th electric capacity, the tenth resistance, instrument amplifier, the 3rd inductance, the 4th diode, the 5th diode, the 8th Electric capacity, the 5th electric pathway and the 6th electric pathway;The input stage of described signal processing circuit includes 2 inputs, and described two Individual input is defined as R3.1 and R3.2;The output stage of described signal processing circuit includes 1 output end, described input C3.1 is defined as, wherein,
Input R3.1 of the input of the 5th described electric pathway as signaling conversion circuit, the output end of the 5th electric pathway with The in-phase input end electrical connection of instrument amplifier;
Input R3.2 of the input of the 6th described electric pathway as signaling conversion circuit, the output end of the 6th electric pathway with The inverting input electrical connection of instrument amplifier;
No. 1 pin of described instrument amplifier electrically connects with one end of the tenth resistance;
No. 8 pins of described instrument amplifier electrically connect with the other end of the tenth resistance;
The input of the 5th described electric pathway electrically connects with one end of the 4th Transient Suppression Diode;
The input of the 6th described electric pathway electrically connects with the other end of the 4th Transient Suppression Diode;
The in-phase input end of described instrument amplifier electrically connects with one end of the 7th electric capacity;
The inverting input of described instrument amplifier electrically connects with the other end of the 7th electric capacity;
The output end of described instrument amplifier electrically connects with one end of the 3rd inductance;
The other end of the 3rd described inductance electrically connects with one end of the 8th electric capacity;
The other end ground connection of the 8th described electric capacity;
One end of the 8th described electric capacity electrically connects with the anode of the 4th diode;
The negative electrode and power electric connection of the 4th described diode;
One end of the 8th described electric capacity electrically connects with the negative electrode of the 5th diode;
The plus earth of the 5th described diode;
Output end C3.1 of the one end of the 8th described electric capacity as signal processing circuit;
The 5th described electric pathway includes the 4th inductance, the 5th Transient Suppression Diode, the 11st resistance, thermistor and the 8th Electric capacity, its annexation are as follows:
Input of the one end of the 4th described inductance as the 5th electric pathway, the other end of the 4th inductance and the 5th transient state suppress One end electrical connection of diode;
The other end ground connection of the 5th described Transient Suppression Diode;
The other end of the 4th described inductance electrically connects with one end of thermistor;
The other end ground connection of described thermistor;
The other end of the 4th described inductance electrically connects with one end of the 11st resistance;
The other end of the 11st described resistance electrically connects with one end of the 8th electric capacity;
The other end ground connection of the 8th described electric capacity;
Output end of the other end of the 11st described resistance as the 5th electric pathway;
The 6th described electric pathway includes the 5th inductance, the 6th Transient Suppression Diode, the 12nd resistance, the 13rd resistance and the Ten electric capacity, its annexation are as follows:
Input of the one end of the 5th described inductance as the 6th electric pathway, the other end of the 5th inductance and the 6th transient state suppress One end electrical connection of diode;
The other end ground connection of the 6th described Transient Suppression Diode;
The other end of the 5th described inductance electrically connects with one end of the 12nd resistance;
The other end ground connection of the 12nd described resistance;
The other end of the 5th described inductance electrically connects with one end of the 13rd resistance;
The other end of the 13rd described resistance electrically connects with one end of the tenth electric capacity;
The other end ground connection of the tenth described electric capacity;
Output end of the other end of the 13rd described resistance as the 6th electric pathway.
5. wireless monitoring device according to claim 4, it is characterised in that described signal capture circuit includes the 14th Resistance, the 15th resistance, the 6th diode, the 3rd light emitting diode, the 3rd photosensitive NPN triode and the 11st electric capacity;It is described The input stage of signal capture circuit include 2 inputs, described two inputs are defined as R4.1 and R4.2;Described letter Number catch circuit output end be defined as C2.1, wherein,
Described R4.1 and R3.1 electrical connections;
Described R4.2 and R3.2 electrical connections;
One end of the 14th described resistance is electrically connected as R4.1, the negative electrode of the other end and the 6th diode of the 14th resistance Connect;
The anode of the 6th described diode is as R2.2;
The negative electrode of the 6th described diode electrically connects with the anode of the 3rd light emitting diode;
The anode of the 6th described diode electrically connects with the negative electrode of the 3rd light emitting diode;
The 3rd described light emitting diode is coupled with the 3rd phototriode by photoelectricity form;
The emitting stage ground connection of the 3rd described phototriode;
The emitting stage of the 3rd described phototriode electrically connects with one end of the 11st electric capacity;
The colelctor electrode of the 3rd described phototriode electrically connects with the other end of the 11st electric capacity;
The colelctor electrode of the 3rd described phototriode electrically connects with one end of the 15th resistance;
Another termination power of the 15th described resistance;
Output end C2.1 of the colelctor electrode of the 3rd described phototriode as signal capture circuit.
6. wireless monitoring device according to claim 5, it is characterised in that described micro-chip processor circuit includes LM1117-3.3 voltage conversion chips, the 7th diode, the 12nd electric capacity and the 13rd electric capacity, wherein,
No. 3 pins and power electric connection of described LM1117-3.3 voltage conversion chips;
No. 3 pins of described LM1117-3.3 voltage conversion chips electrically connect with the negative electrode of the 7th diode;
The plus earth of the 7th described diode;
No. 3 pins of described LM1117-3.3 voltage conversion chips electrically connect with one end of the 12nd electric capacity;
The other end ground connection of the 12nd described electric capacity;
No. 1 pin ground connection of described LM1117-3.3 voltage conversion chips;
No. 2 pins of described LM1117-3.3 voltage conversion chips electrically connect with one end of the 13rd electric capacity;
The other end ground connection of the 13rd described electric capacity.
7. wireless monitoring device according to claim 6, it is characterised in that described micro-chip processor circuit also includes STM32F103C8T6, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance, the 14th electric capacity, the 15th electricity Appearance, the 16th electric capacity, the 17th electric capacity, the 18th electric capacity, the 19th electric capacity, the 20th electric capacity and the 4th light emitting diode, its In,
Described STM32F103C8T6 No. 1 pin connects power supply;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 16th resistance;
Another termination power of the 16th described resistance;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 6th electric capacity;
The other end ground connection of the 6th described electric capacity;
Described STM32F103C8T6 No. 7 pins electrically connect with one end of the 20th electric capacity;
The other end ground connection of the 20th described electric capacity;
Described STM32F103C8T6 No. 8 pins electrically connect with one end of the 14th electric capacity;
Described STM32F103C8T6 No. 8 pins electrically connect with one end of the 15th electric capacity;
Described STM32F103C8T6 No. 8 pins ground connection;
Described STM32F103C8T6 No. 9 pins electrically connect with the other end of the 14th electric capacity;
Described STM32F103C8T6 No. 9 pins electrically connect with the other end of the 15th electric capacity;
Described STM32F103C8T6 No. 9 pins connect power supply;
Described STM32F103C8T6 No. 11 pins electrically connect with one end of the 17th resistance;
The other end of the 17th described resistance electrically connects with the anode of the 4th light emitting diode;
The minus earth of the 4th described light emitting diode;
Described STM32F103C8T6 No. 15 pins electrically connect with the output end C3.1 of signal processing circuit;
Described STM32F103C8T6 No. 16 pins electrically connect with the output end C2.1 of signal capture circuit;
Described STM32F103C8T6 No. 16 pins electrically connect with the output end C2.1 of signaling conversion circuit;
Described STM32F103C8T6 No. 18 pins electrically connect with the output end C1.1 of isolation circuit;
Described STM32F103C8T6 No. 19 pins electrically connect with the output end C1.2 of isolation circuit;
Described STM32F103C8T6 No. 20 pins electrically connect with one end of the 18th resistance;
The other end ground connection of the 18th described resistance;
Described STM32F103C8T6 No. 23 pins ground connection;
Described STM32F103C8T6 No. 23 pins electrically connect with one end of the 16th electric capacity;
Described STM32F103C8T6 No. 24 pins electrically connect with the other end of the 16th electric capacity;
Described STM32F103C8T6 No. 24 pins ground connection;
Described STM32F103C8T6 No. 35 pins ground connection;
Described STM32F103C8T6 No. 35 pins electrically connect with one end of the 17th electric capacity;
Described STM32F103C8T6 No. 36 pins electrically connect with the other end of the 17th electric capacity;
Described STM32F103C8T6 No. 36 pins ground connection;
Described STM32F103C8T6 No. 44 pins electrically connect with one end of the 19th resistance;
The other end ground connection of the 19th described resistance;
Described STM32F103C8T6 No. 47 pins electrically connect with one end of the 18th electric capacity;
Described STM32F103C8T6 No. 47 pins electrically connect with one end of the 19th electric capacity;
Described STM32F103C8T6 No. 47 pins ground connection;
Described STM32F103C8T6 No. 48 pins electrically connect with the other end of the 18th electric capacity;
Described STM32F103C8T6 No. 48 pins electrically connect with the other end of the 19th electric capacity;
Described STM32F103C8T6 No. 48 pins connect power supply.
8. wireless monitoring device according to claim 7, it is characterised in that described wireless communication module includes channel radio Believe chip, the 8th diode and fuse, wherein,
The VCC pin of described wireless communication chips connects power supply;
The GND pin ground connection of described wireless communication chips;
The TXD1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 21 pins;
The RXD1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 22 pins;
The CON1 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 28 pins;
The RGND pins ground connection of described wireless communication chips;
The CON2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 32 pins;
The RXD2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 31 pins;
The TXD2 pins of described wireless communication chips electrically connect with STM32F103C8T6 No. 30 pins;
The VO pins of described wireless communication chips electrically connect with one end of fuse;
The other end of described fuse electrically connects with the negative electrode of the 8th diode;
Another termination power of described fuse;
The plus earth of the 8th described diode.
9. the wireless monitoring device according to any claim in claim 1 to 8, it is characterised in that described is wireless Monitoring device also includes watchdog module, and described watchdog module periodically leads to wireless communication module and micro-chip processor circuit Letter, if wireless communication module or micro-chip processor circuit cannot respond to communicate, restarts corresponding circuit.
10. wireless monitoring device according to claim 9, it is characterised in that described wireless monitoring device also includes electricity Source, described power supply are powered to wireless monitoring device.
CN201711151110.8A 2017-11-18 2017-11-18 The overvoltage protection device wireless monitoring device that a kind of band logical severed finger shows Pending CN107727977A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110376926A (en) * 2019-07-22 2019-10-25 武汉恒泰通技术有限公司 A kind of intelligent management system for intelligent integral power protection switch

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412526A (en) * 1993-02-10 1995-05-02 Square D Company Surge arrester circuit and housing therefor
CN201294653Y (en) * 2008-11-07 2009-08-19 四川南光电气有限责任公司 High-voltage power supply
CN201740836U (en) * 2010-06-23 2011-02-09 胡淼龙 Lightning arrester leakage current sensor
CN103969523A (en) * 2014-04-18 2014-08-06 南京信息工程大学 Device capable of automatically monitoring performance of voltage limiting type surge protection device
CN204290238U (en) * 2014-12-11 2015-04-22 珠海市中力电力设备有限公司 The Intelligent-counting type lightning-protection break wire device of automatic separating fault
CN204694795U (en) * 2015-06-11 2015-10-07 江苏省电力公司扬州供电公司 Surge arrester failure indicating circuit
CN204694796U (en) * 2015-06-11 2015-10-07 江苏省电力公司扬州供电公司 Surge arrester failure indicating device
CN205880042U (en) * 2016-03-17 2017-01-11 国家电网公司 Hum bar electric induction circuit
CN205883038U (en) * 2016-04-20 2017-01-11 北京泛华新兴体育产业股份有限公司 Current foldback circuit and have display screen of this circuit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412526A (en) * 1993-02-10 1995-05-02 Square D Company Surge arrester circuit and housing therefor
CN201294653Y (en) * 2008-11-07 2009-08-19 四川南光电气有限责任公司 High-voltage power supply
CN201740836U (en) * 2010-06-23 2011-02-09 胡淼龙 Lightning arrester leakage current sensor
CN103969523A (en) * 2014-04-18 2014-08-06 南京信息工程大学 Device capable of automatically monitoring performance of voltage limiting type surge protection device
CN204290238U (en) * 2014-12-11 2015-04-22 珠海市中力电力设备有限公司 The Intelligent-counting type lightning-protection break wire device of automatic separating fault
CN204694795U (en) * 2015-06-11 2015-10-07 江苏省电力公司扬州供电公司 Surge arrester failure indicating circuit
CN204694796U (en) * 2015-06-11 2015-10-07 江苏省电力公司扬州供电公司 Surge arrester failure indicating device
CN205880042U (en) * 2016-03-17 2017-01-11 国家电网公司 Hum bar electric induction circuit
CN205883038U (en) * 2016-04-20 2017-01-11 北京泛华新兴体育产业股份有限公司 Current foldback circuit and have display screen of this circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨光祥 等: "《STM32单片机原理与工程实践》", 武汉理工大学出版社, pages: 225 - 227 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110376926A (en) * 2019-07-22 2019-10-25 武汉恒泰通技术有限公司 A kind of intelligent management system for intelligent integral power protection switch

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