CN108152561A - Igh-speed wire-rod production line circuit - Google Patents
Igh-speed wire-rod production line circuit Download PDFInfo
- Publication number
- CN108152561A CN108152561A CN201810209893.9A CN201810209893A CN108152561A CN 108152561 A CN108152561 A CN 108152561A CN 201810209893 A CN201810209893 A CN 201810209893A CN 108152561 A CN108152561 A CN 108152561A
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- China
- Prior art keywords
- frequency current
- circuit
- igh
- production line
- rod production
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/003—Measuring mean values of current or voltage during a given time interval
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses igh-speed wire-rod production line circuits.Igh-speed wire-rod production line circuit, including processing chip, further include High Frequency Current Sensor, high speed and precision rectification circuit, high frequent current peaks sample circuit, high-frequency current average value sample circuit and half-wave phase lock circuitry, High Frequency Current Sensor one end electrically connects signal input part, the other end electrically connects high speed and precision rectification circuit, high speed and precision rectification circuit electrically connects half-wave phase lock circuitry and high frequent current peaks sample circuit, high-frequency current average value sample circuit electrically connects high frequent current peaks sample circuit, high-frequency current average value sample circuit, high frequent current peaks sample circuit and half-wave phase lock circuitry electrically connect processing chip respectively.
Description
Technical field
The present invention relates to electronic circuit fields, more particularly to igh-speed wire-rod production line circuit.
Background technology
The problem of detection of the circuit of electromagnetism household electrical appliances is always important, particularly to the sample detecting of high frequent current peaks,
High-frequency current average detection and adaptive phase-detection, annoying insider, some existing detection modes can not always
Accomplish stable detection, the precision of detection is not high or cannot detect simultaneously, while three-phase electricity can not be general with single-phase electricity.
Invention content
Stablize sampling the object of the present invention is to provide a kind of realization high frequency peaks, high-frequency current average detection with it is adaptive
Phase-detection, three-phase electricity and the general igh-speed wire-rod production line circuit of single-phase electricity.
To achieve the above object, the present invention adopts the following technical scheme that, igh-speed wire-rod production line circuit, including processing chip,
Further include High Frequency Current Sensor, high speed and precision rectification circuit, high frequent current peaks sample circuit, the sampling of high-frequency current average value
Circuit and half-wave phase lock circuitry, High Frequency Current Sensor one end electrically connect signal input part, and it is whole that the other end electrically connects high speed and precision
Current circuit, high speed and precision rectification circuit electrically connect half-wave phase lock circuitry and high frequent current peaks sample circuit, and high-frequency current is average
Value sample circuit electrically connects high frequent current peaks sample circuit, high-frequency current average value sample circuit, high frequent current peaks sampling
Circuit and half-wave phase lock circuitry electrically connect processing chip respectively.
Igh-speed wire-rod production line circuit of the present invention, samples high frequency peaks by high frequent current peaks sample circuit, leads to
It crosses high frequency current average sample circuit to sample high-frequency current average value, adaptive phase is carried out by half-wave phase lock circuitry
Position detection, processing chip receives data, and data are recorded, analyze, are shown.
In some embodiments, high frequent current peaks sample circuit includes voltage follower IC9A, voltage follower
IC9A input terminals electrically connect high speed and precision rectification circuit, and output terminal series load resistance R15 and divider resistance R77 are grounded again, bear
High frequent current peaks signal sampling point is drawn between load resistance R15 and divider resistance R77.High speed and precision Output Voltage in Rectified Circuits
Signal, voltage follower IC9A carry out 1:1 ratio-voltage follows, and high frequent current peaks signal sampling point is connect with processing chip,
Carry out peak value sampling.
In some embodiments, high-frequency current average value sample circuit includes voltage follower IC9B, voltage follower
IC9B input terminals are connected between load resistance R15 and divider resistance R77, output terminal series connection RC filter circuits, RC filter circuits
Including resistance R78, inductance L7 and capacitance C42, high-frequency current average value signal sampled point is drawn between inductance L7 and capacitance C42.
Voltage follower IC9B receives the voltage signal of high frequent current peaks signal sampling point output, carries out 1:1 voltage follow, and pass through
The filtering of RC filter circuits is adjusted, and high-frequency current average value signal sampling is carried out through high-frequency current average value signal sampled point.
In some embodiments, high frequent current peaks signal sampling point and high-frequency current average value signal sampled point difference
It is provided with clamp diode D10 and D11.Clamp diode D10 and D11, clamper protection high frequent current peaks signal sampling are set
Point and high-frequency current average value signal sampled point.
In some embodiments, the capacitance of capacitance C42 is 0.1 μ F, and the resistance value of resistance R78 is the Ω of 30 Ω~100.
In some embodiments, High Frequency Current Sensor includes sampling resistor R1 in parallel and protective resistance R46.Setting
Protective resistance carries out discharge prevention, prevents HF current transformer open circuit from interfering input circuit.
In some embodiments, two-way clamper electricity is equipped between High Frequency Current Sensor and high speed and precision rectification circuit
Road.Two-way clamp circuit is set, carries out two-way clamper protection.
In some embodiments, voltage follower IC9A and voltage follower IC9B is high input impedance low output impedance
Voltage follower.High input impedance realizes isolation, prevents from impacting amplification factor.
In some embodiments, half-wave phase lock circuitry includes the voltage follower IC8A electrically connected successively, reverse phase amplification
Device IC8B and comparator IC12A, voltage follower IC8A input terminals electrically connect high speed and precision rectification circuit, and comparator IC12A is defeated
Outlet electrically connects processing chip.Voltage follower IC8A receives the negative half-wave signa from high speed and precision rectification circuit, by anti-
Phase amplifier IC8B carries out reverse phase amplification, and half-wave signa is shaped as Zero-tracking square wave by comparator IC12A.
Beneficial effects of the present invention are：Igh-speed wire-rod production line circuit of the present invention, passes through high frequent current peaks sample circuit pair
High frequency peaks are sampled, and high-frequency current average value is sampled by high-frequency current average value sample circuit, passes through half-wave
Phase lock circuitry carries out adaptive phase-detection, and sampling is stablized, and three-phase electricity and single-phase electricity are general.
Description of the drawings
Fig. 1 is the electrical block diagram of igh-speed wire-rod production line circuit of the present invention；
Fig. 2 is the interface diagram of processing chip of the present invention.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, 2, igh-speed wire-rod production line circuit, igh-speed wire-rod production line circuit including processing chip, further include high frequency
Current sensor, high speed and precision rectification circuit, high frequent current peaks sample circuit, high-frequency current average value sample circuit and half-wave
Phase lock circuitry, High Frequency Current Sensor one end electrically connect signal input part, and the other end electrically connects high speed and precision rectification circuit, at a high speed
Precise rectification circuit electrically connects half-wave phase lock circuitry and high frequent current peaks sample circuit, high-frequency current average value sample circuit electricity
Couple high frequent current peaks sample circuit, high-frequency current average value sample circuit, high frequent current peaks sample circuit and half-wave lock
Circuitry phase electrically connects processing chip respectively.
High frequent current peaks sample circuit includes voltage follower IC9A, and voltage follower IC9A input terminals electrically connect at a high speed
Precise rectification circuit, output terminal series load resistance R15 and divider resistance R77 are grounded again, load resistance R15 and divider resistance
High frequent current peaks signal sampling point HFI_PEAK is drawn between R77.High speed and precision Output Voltage in Rectified Circuits signal, voltage with
1 is carried out with device IC9A:1 ratio-voltage follows, and high frequent current peaks signal sampling point HFI_PEAK is connect with processing chip, carries out
Peak value sampling.
High-frequency current average value sample circuit includes voltage follower IC9B, and voltage follower IC9B input terminals are connected to negative
Between carrying resistance R15 and divider resistance R77, output terminal series connection RC filter circuits, RC filter circuits include resistance R78, inductance L7
With capacitance C42, high-frequency current average value signal sampled point HFI-DC is drawn between inductance L7 and capacitance C42.Voltage follower
IC9B receives the voltage signal of high frequent current peaks signal sampling point output, carries out 1:1 voltage follow, and pass through RC filter circuits
Filtering is adjusted, and high-frequency current average value signal sampling is carried out through high-frequency current average value signal sampled point HFI-DC.
High frequent current peaks signal sampling point HFI_PEAK and high-frequency current average value signal sampled point HFI-DC are set respectively
Clamp diode D10 and D11 are equipped with, and+3.3V power supplys are set.Clamp diode D10 and D11, clamper protection high-frequency electrical are set
Stream peak value signal sampled point and high-frequency current average value signal sampled point.
The capacitance of capacitance C42 is 0.1 μ F, and the resistance value of resistance R78 is 100 Ω.
High Frequency Current Sensor includes sampling resistor R1 in parallel and protective resistance R46.Protective resistance is set, is discharged
Protection prevents HF current transformer from generating interference to circuit after opening a way.
Two-way clamp circuit is equipped between High Frequency Current Sensor and high speed and precision rectification circuit, clamp diode is set
ZD4, ZD3 and TVS6.Two-way clamp circuit is set, carries out two-way clamper protection.
Voltage follower IC9A and voltage follower IC9B is high input impedance low output impedance voltage follower.Height input
Isolation is realized in impedance, prevents from impacting amplification factor.
Half-wave phase lock circuitry includes the voltage follower IC8A, inverting amplifier IC8B and the comparator that electrically connect successively
IC12A, voltage follower IC8A input terminals electrically connect high speed and precision rectification circuit, comparator IC12A output terminals HFI-FREQ electricity
Couple processing chip.Voltage follower IC8A receives the negative half-wave signa from high speed and precision rectification circuit, by voltage follow
Device IC8B is carried out reversely, and half-wave signa is shaped as Zero-tracking square wave by comparator IC12A.
As shown in Fig. 2, No. five pins of processing chip IC1 meet high frequent current peaks signal sampling point HFI_PEAK, ten No. five
Pin meets high-frequency current average value signal sampled point HFI-DC, and 20 No. five pins meet comparator output terminal HFI-FREQ.
Beneficial effects of the present invention are：Igh-speed wire-rod production line circuit of the present invention, passes through high frequent current peaks sample circuit pair
High frequency peaks are sampled, and high-frequency current average value is sampled by high-frequency current average value sample circuit, passes through half-wave
Phase lock circuitry carries out adaptive phase-detection, and sampling is stablized, and three-phase electricity and single-phase electricity are general.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.
Claims (9)
1. igh-speed wire-rod production line circuit, including processing chip, which is characterized in that further include High Frequency Current Sensor, high speed and precision
Rectification circuit, high frequent current peaks sample circuit, high-frequency current average value sample circuit and half-wave phase lock circuitry, the high-frequency electrical
Flow sensor one end electrically connects signal input part, and the other end electrically connects high speed and precision rectification circuit, the high speed and precision rectified current
Road electrically connects half-wave phase lock circuitry and high frequent current peaks sample circuit, and the high-frequency current average value sample circuit electrically connects height
Frequency current peak value sampling circuit, the high-frequency current average value sample circuit, high frequent current peaks sample circuit and half-wave lock phase
Circuit electrically connects processing chip respectively.
2. igh-speed wire-rod production line circuit according to claim 1, which is characterized in that the high frequent current peaks sample circuit
Including voltage follower IC9A, the voltage follower IC9A input terminals electrically connect high speed and precision rectification circuit, output terminal series connection
Load resistance R15 and divider resistance R77 are grounded again, and high-frequency electrical stream peak is drawn between the load resistance R15 and divider resistance R77
Value signal sampled point.
3. igh-speed wire-rod production line circuit according to claim 2, which is characterized in that the high-frequency current average value sampling electricity
Road include voltage follower IC9B, the voltage follower IC9B input terminals be connected to load resistance R15 and divider resistance R77 it
Between, output terminal series connection RC filter circuits, the RC filter circuits include resistance R78, inductance L7 and capacitance C42, the inductance L7
High-frequency current average value signal sampled point is drawn between capacitance C42.
4. igh-speed wire-rod production line circuit according to claim 3, which is characterized in that the high frequent current peaks signal sampling
Point and high-frequency current average value signal sampled point are respectively arranged with clamp diode D10 and D11.
5. igh-speed wire-rod production line circuit according to claim 3, which is characterized in that the capacitance of the capacitance C42 is 0.1 μ
The resistance value of F, the resistance R78 are the Ω of 30 Ω~100.
6. igh-speed wire-rod production line circuit according to claim 1, which is characterized in that the High Frequency Current Sensor is included simultaneously
The sampling resistor R1 of connection and protective resistance R46.
7. igh-speed wire-rod production line circuit according to claim 1, which is characterized in that the High Frequency Current Sensor and high speed
Two-way clamp circuit is equipped between precise rectification circuit.
8. igh-speed wire-rod production line circuit according to claim 3, which is characterized in that the voltage follower IC9A and voltage
Follower IC9B is high input impedance low output impedance voltage follower.
9. igh-speed wire-rod production line circuit according to claim 1, which is characterized in that the half-wave phase lock circuitry is included successively
Voltage follower IC8A, the inverting amplifier IC8B and comparator IC12A electrically connected, the voltage follower IC8A input terminals electricity
Couple high speed and precision rectification circuit, the comparator IC12A output terminals electrically connect processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209893.9A CN108152561A (en) | 2018-03-14 | 2018-03-14 | Igh-speed wire-rod production line circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209893.9A CN108152561A (en) | 2018-03-14 | 2018-03-14 | Igh-speed wire-rod production line circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108152561A true CN108152561A (en) | 2018-06-12 |
Family
ID=62456171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209893.9A Withdrawn CN108152561A (en) | 2018-03-14 | 2018-03-14 | Igh-speed wire-rod production line circuit |
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| Country | Link |
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| CN (1) | CN108152561A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308329A (en) * | 2019-05-23 | 2019-10-08 | 江苏云脉电气有限公司 | High frequency sweep impedance ground specificity analysis instrument |
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Application publication date: 20180612 |