CN205720407U - A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity - Google Patents
A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity Download PDFInfo
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- CN205720407U CN205720407U CN201620305098.6U CN201620305098U CN205720407U CN 205720407 U CN205720407 U CN 205720407U CN 201620305098 U CN201620305098 U CN 201620305098U CN 205720407 U CN205720407 U CN 205720407U
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Abstract
The utility model discloses a kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity, it is characterized in that, processing circuit including the preposition sample circuit of lightning strike signals, number of lightning strokes signal processing circuit and thunderbolt strength signal, the preposition sample circuit of lightning strike signals processes circuit with number of lightning strokes signal processing circuit, thunderbolt strength signal respectively and is connected.This utility model is connected by preposition for lightning strike signals sample circuit is processed circuit with number of lightning strokes signal processing circuit, thunderbolt strength signal respectively, number of lightning strokes and the intensity of thunderbolt every time that lightning protection device is stood can be monitored, can substantially judge the degradation that this lightning protection device is current, doping the remaining life cycle of this lightning protection device, this utility model has highly important realistic meaning and prospect widely in lightning protection engineering.
Description
Technical field
This utility model relates to a kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity, belongs to thunder and lightning
Protection works technical field.
Background technology
The arrival of information age, produces, to our life, the facility brought very, and the universal of information technology is also given
Our productivity brings raising greatly.At present, Information Technology Equipment extensively should in the every field of the mankind
With.But, the electronic message unit based on microelectric technique is because its integrated level is high, running voltage is low, fortune
Calculation speed is fast, and its resistance to overvoltage, overcurrent and the ability of anti lightning electromagnetic pulse are easily endangered by thunder and lightning
Evil, the infringement that particularly Lightning Electromagnetic Pulse causes is even more serious.Therefore, International Electrotechnical Commission is by thunder and lightning calamity
Evil is referred to as " public hazards of information age ".In order to eliminate this public hazards, people carried out deep theoretical research and
Practical exploration widely, and from the combination of theory and practice, constantly improve the lightning protection of electronic information
Engineering.Lightning protection device is the protector that protection electronic message unit resists lightening pulse, and lightning protection device is being resisted not
With thunderbolt intensity time can be affected its life cycle by different damages, cause performance degradation.Pass through lightning protection
The thunderbolt intensity of device is the biggest, and the damage that lightning protection device is suffered is the biggest；It is the most that lightning protection device resists number of lightning strokes, right
The damage of lightning protection device is the most, and the life cycle of lightning protection device will reduce.When lightning protection device life cycle is reduced to one
When determining degree, due to the deterioration of lightning protection device performance, just do not have due lightning protected effect.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of monitoring lightning protection device number of lightning strokes and thunderbolt is strong
The detection equipment of degree, the intensity solving the number of lightning strokes how making lightning protection device be stood and thunderbolt every time obtains
The problem of monitoring.
In order to solve above-mentioned technical problem, the technical solution of the utility model there is provided a kind of monitoring lightning protection device thunder
Hit number of times and the detection equipment of thunderbolt intensity, it is characterised in that include the preposition sample circuit of lightning strike signals, thunderbolt
Times signal process circuit and thunderbolt strength signal process circuit, the preposition sample circuit of lightning strike signals respectively with thunderbolt
Times signal processes circuit, thunderbolt strength signal processes circuit and connects.
Preferably, the preposition sample circuit of described lightning strike signals includes Luo-coil transformer, Luo-coil mutual inductance
Device and the first protection circuit are attempted by the input of rectifier bridge BG2, the output plus terminal of rectifier bridge BG2 and thunderbolt
Times signal processes circuit, thunderbolt strength signal processes circuit and connects, and rectifier bridge BG2 exports negativing ending grounding.
Preferably, the first described protection circuit includes varistor RV1, electric capacity C10, varistor RV1,
Electric capacity C10 is all attempted by the input of rectifier bridge BG2.
Preferably, described number of lightning strokes signal processing circuit includes resistance R30, and one end of resistance R30 is with whole
Stream bridge BG2 output plus terminal connects, and another of resistance R30 terminates the second protection circuit and audion 8050 base stage,
The other end ground connection of the second protection circuit；Audion 8050 grounded emitter, audion 8050 colelctor electrode connects electricity
Another termination electricity of another termination positive supply+5V, resistance R31 of resistance R31 and resistance R32, resistance R32
The anti-phase input of two Schmidt triggers of appearance C46 and series connection, electric capacity C46 other end ground connection, series connection
Two anti-phase outputs of Schmidt trigger connect the CPU external interrupt input making number of lightning strokes counting.
Preferably, the second described protection circuit is by resistance R33 and the shunt circuit of electric capacity C45, resistance
The shunt circuit of R33 and electric capacity C45 is connected with the other end of resistance R30, resistance R33's and electric capacity C45
The other end ground connection of shunt circuit.
Preferably, described thunderbolt strength signal processes circuit and includes resistance R11, and one end of resistance R11 is with whole
Stream bridge BG2 output plus terminal connects, resistance R11 another termination the 3rd protection circuit and resistance R1, the 3rd protection
The other end ground connection of circuit；Another termination value preserving sample circuit of resistance R1, it is steady that value preserving sample circuit connects protection
Pressure pipe Z1 negative terminal and the CPU making AD process, stabilivolt Z1 positive ending grounding.
Preferably, described value preserving sample circuit includes another termination of LF356 amplifier U1, resistance R1
LF356 amplifier U1 anode inputs 3 feet, and LF356 amplifier U1 positive supply 7 foot meets positive supply+12V,
LF356 amplifier U1 negative supply 4 foot connects negative supply-12V, LF356 amplifier U1 negative terminal and inputs 2 feet and connect
Diode Q1 negative terminal and resistance R4, LF356 amplifier U1 exports 6 feet and connects diode Q1 anode and two poles
Pipe Q2 anode, diode Q2 negative terminal connects audion 9013 colelctor electrode, connects electric capacity C3 and resistance R2, electric capacity
The other end ground connection of C3, audion 9013 grounded emitter, audion 9013 base stage connecting resistance R3, resistance
The CPU delivery outlet that another termination control signal of R3 resets；Another termination LF356 amplifier of resistance R2
U2 anode inputs 3 feet, and LF356 amplifier U2 positive supply 7 foot connects positive supply+12V, LF356 amplifier
U2 negative supply 4 foot connects negative supply-12V, LF356 amplifier U2 negative terminal and inputs 2 feet and connect LF356 amplifier
U2 output and the other end of resistance R4, LF356 amplifier U2 output connects protection stabilivolt Z1 negative terminal simultaneously
With the CPU making AD process.
Preferably, the other end series capacitance of the described negative supply-12V being connected with LF356 amplifier U1
Ground connection after C1, other end series capacitance C2 of the positive supply+12V being connected with LF356 amplifier U1 is followed by
Ground, ground connection after other end series capacitance C4 of the negative supply-12V being connected with LF356 amplifier U2, with
Ground connection after other end series capacitance C5 of the positive supply+12V that LF356 amplifier U2 connects.
Preferably, the 3rd described protection circuit is by resistance R16 and the shunt circuit of electric capacity C2, resistance
One end of the shunt circuit of R16 and electric capacity C2 is connected with the other end of resistance R11, resistance R16 and electric capacity
The other end ground connection of the shunt circuit of C2.
This utility model by by preposition for lightning strike signals sample circuit respectively with number of lightning strokes signal processing circuit, thunder
Hit intensity signal processing circuit connects so that it is can monitor number of lightning strokes that lightning protection device stood and be struck by lightning every time
Intensity, can substantially judge the degradation that this lightning protection device is current, it was predicted that go out the remaining life of this lightning protection device
In the cycle, this utility model has highly important realistic meaning and prospect widely in lightning protection engineering.
Accompanying drawing explanation
Fig. 1 is this utility model lightning strike signals preposition sampling theorem figure；
Fig. 2 is this utility model number of lightning strokes principles of signal processing figure；
Fig. 3 is this utility model thunderbolt strength signal handling principle figure.
Detailed description of the invention
For making this utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
This utility model is a kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity, and it includes thunderbolt
The preposition sampling of signal, number of lightning strokes signal processing and thunderbolt strength signal process, the preposition sample circuit of lightning strike signals
Process circuit with number of lightning strokes signal processing circuit, thunderbolt strength signal respectively to be connected.Signal after treatment send
CPU, is made step-by-step counting by CPU number of lightning strokes signal and thunderbolt strength signal is made AD conversion, logarithm value
Process, calculate the number of times of counting thunder and to this intensity of being struck by lightning.CPU gives upper through RS-485 bus transfer
Position machine processes or reports to the police.
As it is shown in figure 1, the preposition sample circuit of lightning strike signals includes Luo-coil transformer, from Luo-coil mutual inductance
The indirect lightning strike signal of device sampling is attempted by rectifier bridge BG2 input by varistor RV1 and electric capacity C10.
The output plus terminal of rectifier bridge BG2 processes circuit with number of lightning strokes signal processing circuit, thunderbolt strength signal and is connected,
Rectifier bridge BG2 exports negativing ending grounding.
As in figure 2 it is shown, number of lightning strokes signal processing circuit includes resistance R30, number of lightning strokes signal rectification bridge
BG2 output plus terminal connecting resistance R30, rectifier bridge BG2 export negativing ending grounding, and another termination of resistance R30 is by electricity
Resistance R33 and the shunt circuit of electric capacity C45 and audion 8050 base stage, resistance R33 and electric capacity C45 are also
The other end ground connection in connection loop；Audion 8050 grounded emitter, audion 8050 colelctor electrode connecting resistance R31
Another termination capacitor C46 with another termination positive supply+5V, resistance R31 of resistance R32, resistance R32
With Schmidt trigger anti-phase input, electric capacity C46 other end ground connection, the anti-phase output of Schmidt trigger connects separately
One Schmidt trigger anti-phase input, its output connects CPU external interrupt input and makees number of lightning strokes counting.
As it is shown on figure 3, thunderbolt strength signal processes circuit includes resistance R11, be struck by lightning strength signal rectifier bridge
Another termination of BG2 output plus terminal connecting resistance R11, resistance R11 is by resistance R16 and the shunt circuit of electric capacity C2
And resistance R1, the other end ground connection of the shunt circuit of resistance R16 and electric capacity C2；Another termination of resistance R1
LF356 amplifier U1 anode inputs 3 feet, and LF356 amplifier U1 positive supply 7 foot meets positive supply+12V,
LF356 amplifier U1 negative supply 4 foot connects negative supply-12V, LF356 amplifier U1 negative terminal and inputs 2 feet and connect
Diode Q1 negative terminal and resistance R4, LF356 amplifier U1 exports 6 feet and connects diode Q1 anode and two poles
Pipe Q2 anode, diode Q2 negative terminal connects audion 9013 colelctor electrode, connects electric capacity C3 and resistance R2, electric capacity
The other end ground connection of C3, audion 9013 grounded emitter, audion 9013 base stage connecting resistance R3, resistance
Another termination CPU delivery outlet of R3, CPU delivery outlet control signal resets；Another termination of resistance R2
LF356 amplifier U2 anode inputs 3 feet, and LF356 amplifier U2 positive supply 7 foot meets positive supply+12V,
LF356 amplifier U2 negative supply 4 foot connects negative supply-12V, LF356 amplifier U2 negative terminal and inputs 2 feet and connect
LF356 amplifier U2 output and the other end of resistance R4, it is steady that LF356 amplifier U2 output connects protection simultaneously
Pressure pipe Z1 negative terminal and send CPU to make AD processs, stabilivolt Z1 positive ending grounding, CPU is according to the calculating of AD value
The thunderbolt intensity going out this sends reset signal by resistance R3 simultaneously.
Wherein, varistor RV1, electric capacity C10 form the first protection circuit；By resistance R33 and electric capacity C45
Shunt circuit form the second protection circuit；The 3rd protection is formed by the shunt circuit of resistance R16 and electric capacity C2
Circuit.
In this utility model, sample of signal must use Luo-coil transformer；The preposition sampling of lightning strike signals must be used
Varistor RV1 protects；Lightning strike signals preposition sampling rectifier bridge BG2 rectification；Number of lightning strokes signal processing
Make level conversion with audion 8050, be converted into Transistor-Transistor Logic level；Number of lightning strokes signal processing schmidt trigger
Waveform shaping made by device；Owing to lightning strike signals amplitude is big, thunderbolt strength signal processes and is first divided by R11 and R16
Pressure drop width falls the amplitude of lightning strike signals；Owing to lightning strike signals pulse is narrow, CPU is difficult to capture, thunder
The value preserving sample circuit that hit intensity signal processing is made up of amplifier U1 and U2 etc., maintains maximum thunderbolt letter
Number maximum amplitude, by CPU analog digital conversion calculate thunderbolt intensity size of current；CPU passes through audion
The sampling value of the value preserving sample circuit of the compositions such as Q1 one positive pulse reset amplifier U1 and U2 of output.
Claims (6)
- null1. the detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity，It is characterized in that，Including the preposition sample circuit of lightning strike signals、Number of lightning strokes signal processing circuit and thunderbolt strength signal process circuit，The preposition sample circuit of lightning strike signals respectively with number of lightning strokes signal processing circuit、Thunderbolt strength signal processes circuit and connects，The preposition sample circuit of described lightning strike signals includes Luo-coil transformer，Luo-coil transformer and the first protection circuit are attempted by the input of rectifier bridge BG2，The output plus terminal of rectifier bridge BG2 and number of lightning strokes signal processing circuit、Thunderbolt strength signal processes circuit and connects，Rectifier bridge BG2 exports negativing ending grounding，Described number of lightning strokes signal processing circuit includes resistance R30，One end of resistance R30 is connected with rectifier bridge BG2 output plus terminal，Another of resistance R30 terminates the second protection circuit and audion 8050 base stage，The other end ground connection of the second protection circuit；Audion 8050 grounded emitter, audion 8050 colelctor electrode connecting resistance R31 and resistance R32, another termination positive supply+5V of resistance R32, another termination capacitor C46 of resistance R31 and the anti-phase input of two Schmidt triggers of series connection, electric capacity C46 other end ground connection, two anti-phase outputs of Schmidt trigger of series connection connect the CPU external interrupt input making number of lightning strokes counting, described thunderbolt strength signal processes circuit and includes resistance R11, one end of resistance R11 is connected with rectifier bridge BG2 output plus terminal, resistance R11 another termination the 3rd protection circuit and resistance R1, the other end ground connection of the 3rd protection circuit；Another termination value preserving sample circuit of resistance R1, value preserving sample circuit connects protection stabilivolt Z1 negative terminal and makees the CPU that AD processes, stabilivolt Z1 positive ending grounding.
- A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity the most as claimed in claim 1; it is characterized in that; the first described protection circuit includes that varistor RV1, electric capacity C10, varistor RV1, electric capacity C10 are all attempted by the input of rectifier bridge BG2.
- A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity the most as claimed in claim 1; it is characterized in that; the second described protection circuit is by resistance R33 and the shunt circuit of electric capacity C45; the shunt circuit of resistance R33 and electric capacity C45 is connected with the other end of resistance R30, the other end ground connection of the shunt circuit of resistance R33 and electric capacity C45.
- nullA kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity the most as claimed in claim 1，It is characterized in that，Described value preserving sample circuit includes LF356 amplifier U1，Another termination LF356 amplifier U1 anode of resistance R1 inputs 3 feet，LF356 amplifier U1 positive supply 7 foot meets positive supply+12V，LF356 amplifier U1 negative supply 4 foot meets negative supply-12V，LF356 amplifier U1 negative terminal inputs 2 feet and meets diode Q1 negative terminal and resistance R4，LF356 amplifier U1 exports 6 feet and connects diode Q1 anode and diode Q2 anode，Diode Q2 negative terminal connects audion 9013 colelctor electrode、Meet electric capacity C3 and resistance R2，The other end ground connection of electric capacity C3，Audion 9013 grounded emitter，Audion 9013 base stage connecting resistance R3，The CPU delivery outlet that another termination control signal of resistance R3 resets；Another termination LF356 amplifier U2 anode of resistance R2 inputs 3 feet; LF356 amplifier U2 positive supply 7 foot meets positive supply+12V; LF356 amplifier U2 negative supply 4 foot meets negative supply-12V; LF356 amplifier U2 negative terminal inputs 2 feet and connects LF356 amplifier U2 output and the other end of resistance R4, and LF356 amplifier U2 output connects protection stabilivolt Z1 negative terminal simultaneously and makees the CPU that AD processes.
- A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity the most as claimed in claim 4, it is characterized in that, ground connection after other end series capacitance C1 of the described negative supply-12V being connected with LF356 amplifier U1, ground connection after other end series capacitance C2 of the positive supply+12V being connected with LF356 amplifier U1, ground connection after other end series capacitance C4 of the negative supply-12V being connected with LF356 amplifier U2, ground connection after other end series capacitance C5 of the positive supply+12V being connected with LF356 amplifier U2.
- A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity the most as claimed in claim 1; it is characterized in that; the 3rd described protection circuit is by resistance R16 and the shunt circuit of electric capacity C2; one end of the shunt circuit of resistance R16 and electric capacity C2 is connected with the other end of resistance R11, the other end ground connection of the shunt circuit of resistance R16 and electric capacity C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620305098.6U CN205720407U (en) | 2016-04-13 | 2016-04-13 | A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620305098.6U CN205720407U (en) | 2016-04-13 | 2016-04-13 | A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity |
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| CN205720407U true CN205720407U (en) | 2016-11-23 |
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| CN201620305098.6U Active CN205720407U (en) | 2016-04-13 | 2016-04-13 | A kind of detection equipment monitoring lightning protection device number of lightning strokes and thunderbolt intensity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799404A (en) * | 2019-01-17 | 2019-05-24 | 深圳市艾睿科电气有限公司 | The deterioration rate detection method and system of surge protective device |
| CN111044777A (en) * | 2019-12-17 | 2020-04-21 | 中电装备山东电子有限公司 | Lightning surge frequency detection circuit and detection method for surge protector |
| CN113608015A (en) * | 2021-08-11 | 2021-11-05 | 南京导纳能科技有限公司 | Counting circuit for lightning stroke action of lightning arrester |
-
2016
- 2016-04-13 CN CN201620305098.6U patent/CN205720407U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799404A (en) * | 2019-01-17 | 2019-05-24 | 深圳市艾睿科电气有限公司 | The deterioration rate detection method and system of surge protective device |
| CN111044777A (en) * | 2019-12-17 | 2020-04-21 | 中电装备山东电子有限公司 | Lightning surge frequency detection circuit and detection method for surge protector |
| CN113608015A (en) * | 2021-08-11 | 2021-11-05 | 南京导纳能科技有限公司 | Counting circuit for lightning stroke action of lightning arrester |
| CN113608015B (en) * | 2021-08-11 | 2024-04-09 | 南京导纳能科技有限公司 | Counting circuit for lightning stroke action of lightning arrester |
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