CN207866885U - Igh-speed wire-rod production line circuit - Google Patents
Igh-speed wire-rod production line circuit Download PDFInfo
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- CN207866885U CN207866885U CN201820346836.0U CN201820346836U CN207866885U CN 207866885 U CN207866885 U CN 207866885U CN 201820346836 U CN201820346836 U CN 201820346836U CN 207866885 U CN207866885 U CN 207866885U
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- frequency current
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- production line
- average value
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Abstract
The utility model discloses igh-speed wire-rod production line circuits.Igh-speed wire-rod production line circuit, including processing chip, it 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 utility model is related to electronic circuit fields, more particularly to igh-speed wire-rod production line circuit.
Background technology
The detection of the circuit of electromagnetism household electrical appliances is always important problem, especially to the sample detecting of high frequent current peaks,
High-frequency current average detection and adaptive phase-detection, annoying always insider, some existing detection modes can not
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.
Utility model content
The purpose of this utility model is to provide a kind of realization high frequency peaks and stablizes sampling, high-frequency current average detection with from
Adapt to 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 utility model adopts the following technical solution, igh-speed wire-rod production line circuit, including processing core
Piece further includes 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 essence
Close rectification circuit, high speed and precision rectification circuit electrically connect 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.
The utility model igh-speed wire-rod production line circuit, adopts high frequency peaks by high frequent current peaks sample circuit
Sample samples high-frequency current average value by high-frequency current average value sample circuit, is carried out certainly by half-wave phase lock circuitry
Phase-detection is adapted to, processing chip receives data, and is recorded, analyzed, shown to data.
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 end 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 end 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 are set, and clamper protects high frequent current peaks signal sampling
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 and protective resistance R46 in parallel.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 rectified current
Road.Two-way clamp circuit is set, two-way clamper protection is carried out.
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.
The beneficial effects of the utility model are：The utility model igh-speed wire-rod production line circuit, is adopted by high frequent current peaks
Sample circuit samples high frequency peaks, is sampled to high-frequency current average value by high-frequency current average value sample circuit,
Adaptive phase-detection is carried out by half-wave phase lock circuitry, 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 the utility model igh-speed wire-rod production line circuit；
Fig. 2 is the interface diagram of the utility model processing chip.
Specific implementation mode
The utility model is described in further detail below in conjunction with 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, 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 high speed
Precise rectification circuit, output end 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 end 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
It is equipped with clamp diode D10 and D11, and+3.3V power supplys are set.Clamp diode D10 and D11 are set, and clamper protects high-frequency electrical
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 the sampling resistor R1 and protective resistance R46 of parallel connection.Protective resistance is set, is discharged
Protection generates interference after preventing HF current transformer from opening a way to circuit.
It is equipped with two-way clamp circuit between High Frequency Current Sensor and high speed and precision rectified current, clamp diode is set
ZD4, ZD3 and TVS6.Two-way clamp circuit is set, two-way clamper protection is carried out.
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 comparator electrically connected successively
IC12A, voltage follower IC8A input terminals electrically connect high speed and precision rectification circuit, comparator IC12A output ends 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.
The beneficial effects of the utility model are：The utility model igh-speed wire-rod production line circuit, is adopted by high frequent current peaks
Sample circuit samples high frequency peaks, is sampled to high-frequency current average value by high-frequency current average value sample circuit,
Adaptive phase-detection is carried out by half-wave phase lock circuitry, sampling is stablized, and three-phase electricity and single-phase electricity are general.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
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 locking 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 end 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 includes voltage follower IC9B, the voltage follower IC9B input terminals be connected to load resistance R15 and divider resistance R77 it
Between, output end 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 includes simultaneously
The sampling resistor R1 and protective resistance R46 of connection.
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 precision rectifying electric current.
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 includes 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 ends electrically connect processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346836.0U CN207866885U (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 |
|---|---|---|---|
| CN201820346836.0U CN207866885U (en) | 2018-03-14 | 2018-03-14 | Igh-speed wire-rod production line circuit |
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| Publication Number | Publication Date |
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| CN207866885U true CN207866885U (en) | 2018-09-14 |
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| CN201820346836.0U Active CN207866885U (en) | 2018-03-14 | 2018-03-14 | Igh-speed wire-rod production line circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152561A (en) * | 2018-03-14 | 2018-06-12 | 广东海明晖电子科技有限公司 | Igh-speed wire-rod production line circuit |
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2018
- 2018-03-14 CN CN201820346836.0U patent/CN207866885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152561A (en) * | 2018-03-14 | 2018-06-12 | 广东海明晖电子科技有限公司 | Igh-speed wire-rod production line circuit |
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Effective date of registration: 20200409 Address after: 528000 Room 802, block 6, phase II, tianfulai international industrial city, No.37, Changbao West Road, Rongli community residents committee, Ronggui sub district office, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong BEICI Electronic Technology Co., Ltd Address before: 528000, Guangdong District, Foshan City, Ronggui province Shunde Li Chang Bao West Road, No. 33, Tian Fu International Industrial City third, 14, 501 and 502 plant Patentee before: GUANGDONG HIGHWAY ELECTRONIC TECHNOLOGY Co.,Ltd. |