CN106569020A - Power sensor for radio frequency power reflectometer - Google Patents
Power sensor for radio frequency power reflectometer Download PDFInfo
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- CN106569020A CN106569020A CN201610915705.5A CN201610915705A CN106569020A CN 106569020 A CN106569020 A CN 106569020A CN 201610915705 A CN201610915705 A CN 201610915705A CN 106569020 A CN106569020 A CN 106569020A
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- 238000012545 processing Methods 0.000 claims abstract description 50
- 230000003750 conditioning effect Effects 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000013480 data collection Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a power sensor for a radio frequency power reflectometer. The power sensor comprises a coupled demodulation unit, a signal conditioning unit and a data processing unit, wherein the coupled demodulation unit is used for demodulating received radio frequency power signals into voltage signals, the voltage signals are sent to the signal conditioning circuit, the signal conditioning circuit is used for processing the voltage signals, processed voltage signals are sent to the data processing unit, and the data processing unit is used for processing the processed voltage signals. According to the power sensor for the radio frequency power reflectometer disclosed in the invention, data collection is realized via the coupled demodulation unit, the signal conditioning unit is used for signal filtering, the data processing unit is used for processing the signals, obtained data is high in accuracy, and subsequent data processing and analyzing can be facilitated.
Description
Technical field
The present invention relates to power sensor field, more particularly to a kind of power sensor for radio-frequency power reflexometer.
Background technology
Power reflection meter is commonly used to measure radio frequency（RF）Or microwave frequency（MW）The power of signal.Typical power reflection
Meter uses power detector or transducer, so that RF or MW power is converted to into the electric parameter that can easily measure.Power reflection meter
Also there is application in perhaps eurypalynous RF and MW systems.
Power sensor determines reflexometer as the topmost ingredient of radio-frequency power reflexometer, its measurement capability
Degree of accuracy, and existing power sensor is relatively low to the disposal ability of measurement data so that the data precision is relatively low.
The content of the invention
The invention reside in overcoming the above-mentioned deficiency of prior art, there is provided one kind increases power sensor measurement data accuracy
The power sensor for radio-frequency power reflexometer.
In order to realize foregoing invention purpose, the technical solution used in the present invention is：
A kind of power sensor for radio-frequency power reflexometer, including the coupling detection unit, signal condition list that are sequentially connected
Unit, data processing unit, the coupling detection unit is used to for the rf power signal of reception to be demodulated into voltage signal, will be described
Voltage signal is sent to signal conditioning circuit；The signal condition unit is used to process the voltage signal, and will place
Voltage signal after reason is sent to data processing unit；The data processing unit be used for the voltage signal after the process
Processed.
Further, the coupling detection unit includes the first directional coupler, the second directional coupler, forward power inspection
Ripple device, backward power cymoscope；
First directional coupler connects forward power cymoscope, for receiving positive rf power signal, and is demodulated
For forward voltage signal；
Second directional coupler connects backward power cymoscope, for receiving reverse radio-frequency power signal, and is demodulated
For reverse voltage signal.
Further, the signal condition unit includes reverse average signal modulate circuit, positive average signal conditioning electricity
Road, peak signal modulate circuit, reverse A/D change-over circuits, positive A/D change-over circuits；
The reverse average signal modulate circuit connects the reverse A/D change-over circuits, the backward power cymoscope, for right
The reverse voltage signal is carried out after signal amplification, Filtering Processing, is converted to corresponding digital signal and is sent to data processing list
Unit；
The peak signal modulate circuit and the positive average signal modulate circuit are all connected with the forward power cymoscope, institute
State positive A/D change-over circuits, for the forward voltage signal is carried out signal amplification, filtering, peak holding process after, conversion
Data processing unit is sent to for corresponding digital signal.
Further, the data processing unit includes control circuit, data processing circuit, temperature sensor, interface electricity
Road；
The control circuit connects the positive A/D change-over circuits, the reverse A/D change-over circuits, data processing circuit, is used for
The positive A/D change-over circuits, the digital signal of the reverse A/D change-over circuits transmission are received, and the digital signal is sent out
It is sent to data processing circuit；
The temperature sensor connects the data processing circuit, for the temperature data of collection load, by the temperature data
It is sent to the data processing circuit；
The data processing circuit connecting interface circuit, mends for entering trip temperature to the digital signal according to the temperature data
Process is repaid, and the calibration signal after process is sent to into interface circuit；
The interface circuit connects host server, for the calibration signal to be sent to into host server.
Further, the control circuit CPLD control chip.
Compared with prior art, beneficial effects of the present invention
The power sensor for radio-frequency power reflexometer of the present invention carries out the collection of data, signal using coupling detection unit
Conditioning unit carries out the process such as signal filtering, is processed eventually through data processing unit so that the data precision for obtaining
It is higher, be conducive to subsequently carrying out data processing and analysis.
Description of the drawings
Fig. 1 show the power sensor module block diagram for radio-frequency power reflexometer of the present invention.
Fig. 2 show the specific circuit structure block diagram of the power sensor for radio-frequency power reflexometer of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail.But this should not be interpreted as the present invention
The scope of above-mentioned theme is only limitted to below example, and all technologies realized based on present invention belong to the model of the present invention
Enclose.
Embodiment 1：
Fig. 1 show the power sensor module block diagram for radio-frequency power reflexometer of the present invention, including the coupling being sequentially connected
Detection unit, signal condition unit, data processing unit are closed, the coupling detection unit is used for the rf power signal that will be received
Voltage signal is demodulated into, the voltage signal is sent to into signal conditioning circuit；The signal condition unit is used for the electricity
Pressure signal is processed, and the voltage signal after process is sent to into data processing unit；Institute's data processing unit is used for
Voltage signal after the process is processed.
The present invention the power sensor for radio-frequency power reflexometer using coupling detection unit carry out data collection,
Signal condition unit carries out the process such as signal filtering, is processed eventually through data processing unit so that the data for obtaining are accurate
Exactness is higher, is conducive to subsequently carrying out data processing and analysis.
In a detailed embodiment, referring to Fig. 2, the coupling detection unit include the first directional coupler, second
Directional coupler, forward power cymoscope, backward power cymoscope；
First directional coupler connects forward power cymoscope, for receiving positive rf power signal, and is demodulated
For forward voltage signal；
Second directional coupler connects backward power cymoscope, for receiving reverse radio-frequency power signal, and is demodulated
For reverse voltage signal.
In a detailed embodiment, the signal condition unit includes reverse average signal modulate circuit, and forward direction is flat
Equal signal conditioning circuit, peak signal modulate circuit, reverse A/D change-over circuits, positive A/D change-over circuits；
The reverse average signal modulate circuit connects the reverse A/D change-over circuits, the backward power cymoscope, for right
The reverse voltage signal is carried out after signal amplification, Filtering Processing, is converted to corresponding digital signal and is sent to data processing list
Unit；
The peak signal modulate circuit and the positive average signal modulate circuit are all connected with the forward power cymoscope, institute
State positive A/D change-over circuits, for the forward voltage signal is carried out signal amplification, filtering, peak holding process after, conversion
Data processing unit is sent to for corresponding digital signal.
In a detailed embodiment, the data processing unit includes that control circuit, data processing circuit, temperature are passed
Sensor, interface circuit；
The control circuit connects the positive A/D change-over circuits, the reverse A/D change-over circuits, data processing circuit, is used for
The positive A/D change-over circuits, the digital signal of the reverse A/D change-over circuits transmission are received, and the digital signal is sent out
It is sent to data processing circuit；
The temperature sensor connects the data processing circuit, for the temperature data of collection load, by the temperature data
It is sent to the data processing circuit；
The data processing circuit connecting interface circuit, mends for entering trip temperature to the digital signal according to the temperature data
Process is repaid, and the calibration signal after process is sent to into interface circuit；
The interface circuit connects host server, for the calibration signal to be sent to into host server.
Due to the dynamic range of institute's power scale it is big, while being to obtain more accurate in order to ensure minimum insertion loss
Measurement power, should also carry out linear gauging, frequency response calibration and temperature-compensating to measurement data.
In a detailed embodiment, the control circuit CPLD control chip.
The specific embodiment of the present invention has been described in detail above in conjunction with accompanying drawing, but the present invention is not restricted to
Embodiment is stated, in the case of the spirit and scope without departing from claims hereof, those skilled in the art can make
Go out various modifications or remodeling.
Claims (5)
1. a kind of power sensor for radio-frequency power reflexometer, it is characterised in that including the coupling detection list being sequentially connected
Unit, signal condition unit, data processing unit, the coupling detection unit is used to for the rf power signal of reception to be demodulated into electricity
Pressure signal, by the voltage signal signal conditioning circuit is sent to；The signal condition unit is used to enter the voltage signal
Row is processed, and the voltage signal after process is sent to into data processing unit；Institute's data processing unit is used for the place
Voltage signal after reason is processed.
2. the power sensor for radio-frequency power reflexometer according to claim 1, it is characterised in that the coupling inspection
Ripple unit includes the first directional coupler, the second directional coupler, forward power cymoscope, backward power cymoscope；
First directional coupler connects forward power cymoscope, for receiving positive rf power signal, and is demodulated
For forward voltage signal；
Second directional coupler connects backward power cymoscope, for receiving reverse radio-frequency power signal, and is demodulated
For reverse voltage signal.
3. the power sensor for radio-frequency power reflexometer according to claim 2, it is characterised in that the signal is adjusted
Reason unit includes reverse average signal modulate circuit, positive average signal modulate circuit, peak signal modulate circuit, reverse A/D
Change-over circuit, positive A/D change-over circuits；
The reverse average signal modulate circuit connects the reverse A/D change-over circuits, the backward power cymoscope, for right
The reverse voltage signal is carried out after signal amplification, Filtering Processing, is converted to corresponding digital signal and is sent to data processing list
Unit；
The peak signal modulate circuit and the positive average signal modulate circuit are all connected with the forward power cymoscope, institute
State positive A/D change-over circuits, for the forward voltage signal is carried out signal amplification, filtering, peak holding process after, conversion
Data processing unit is sent to for corresponding digital signal.
4. the power sensor for radio-frequency power reflexometer according to claim 3, it is characterised in that at the data
Reason unit includes control circuit, data processing circuit, temperature sensor, interface circuit；
The control circuit connects the positive A/D change-over circuits, the reverse A/D change-over circuits, data processing circuit, is used for
The positive A/D change-over circuits, the digital signal of the reverse A/D change-over circuits transmission are received, and the digital signal is sent out
It is sent to data processing circuit；
The temperature sensor connects the data processing circuit, for the temperature data of collection load, by the temperature data
It is sent to the data processing circuit；
The data processing circuit connecting interface circuit, mends for entering trip temperature to the digital signal according to the temperature data
Process is repaid, and the calibration signal after process is sent to into interface circuit；
The interface circuit connects host server, for the calibration signal to be sent to into host server.
5. the power sensor for radio-frequency power reflexometer according to claim 4, it is characterised in that the control electricity
Road CPLD control chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915705.5A CN106569020A (en) | 2016-10-20 | 2016-10-20 | Power sensor for radio frequency power reflectometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915705.5A CN106569020A (en) | 2016-10-20 | 2016-10-20 | Power sensor for radio frequency power reflectometer |
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| CN106569020A true CN106569020A (en) | 2017-04-19 |
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| CN201610915705.5A Pending CN106569020A (en) | 2016-10-20 | 2016-10-20 | Power sensor for radio frequency power reflectometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488086A (en) * | 2019-09-20 | 2019-11-22 | 成都沃特塞恩电子技术有限公司 | The power measurement method and system of burst pulse |
| CN112097815A (en) * | 2020-08-21 | 2020-12-18 | 电子科技大学 | Scattering matrix parameter detection system for microwave sensing |
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| CN102149178A (en) * | 2010-02-08 | 2011-08-10 | 联芯科技有限公司 | Method and device for compensating temperature of mobile terminal power |
| CN203086421U (en) * | 2012-08-21 | 2013-07-24 | 美商威睿电通公司 | Power controlling apparatus of mobile device and mobile device capable of realizing power controlling by temperature detection |
| CN103383439A (en) * | 2013-06-24 | 2013-11-06 | 吴锦来 | Electronic load precise dual-temperature correction method and circuit |
| CN103532530A (en) * | 2013-09-22 | 2014-01-22 | 北京石油化工学院 | Pulse peak detection device |
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| CN204330878U (en) * | 2014-12-30 | 2015-05-13 | 北京北广科技股份有限公司 | Based on the peak power detection device of pulse-modulated signal |
| CN104739506A (en) * | 2015-03-24 | 2015-07-01 | 南京康友医疗科技有限公司 | Microwave ablation therapeutic apparatus with microwave ablation needle protected based on microwave power detection |
| CN206096256U (en) * | 2016-10-20 | 2017-04-12 | 成都前锋电子仪器有限责任公司 | A power sensor for RF power reflectometer |
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2016
- 2016-10-20 CN CN201610915705.5A patent/CN106569020A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101051816A (en) * | 2006-10-18 | 2007-10-10 | 深圳国人通信有限公司 | Device and method for realizing wide band micro power linear power amplication |
| CN102149178A (en) * | 2010-02-08 | 2011-08-10 | 联芯科技有限公司 | Method and device for compensating temperature of mobile terminal power |
| CN203086421U (en) * | 2012-08-21 | 2013-07-24 | 美商威睿电通公司 | Power controlling apparatus of mobile device and mobile device capable of realizing power controlling by temperature detection |
| CN103383439A (en) * | 2013-06-24 | 2013-11-06 | 吴锦来 | Electronic load precise dual-temperature correction method and circuit |
| CN103532530A (en) * | 2013-09-22 | 2014-01-22 | 北京石油化工学院 | Pulse peak detection device |
| CN203661076U (en) * | 2013-10-12 | 2014-06-18 | 金赛讯（天津）电子技术有限公司 | Circuit for measuring emergency mode radio-frequency signal |
| CN204330878U (en) * | 2014-12-30 | 2015-05-13 | 北京北广科技股份有限公司 | Based on the peak power detection device of pulse-modulated signal |
| CN104739506A (en) * | 2015-03-24 | 2015-07-01 | 南京康友医疗科技有限公司 | Microwave ablation therapeutic apparatus with microwave ablation needle protected based on microwave power detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488086A (en) * | 2019-09-20 | 2019-11-22 | 成都沃特塞恩电子技术有限公司 | The power measurement method and system of burst pulse |
| CN112097815A (en) * | 2020-08-21 | 2020-12-18 | 电子科技大学 | Scattering matrix parameter detection system for microwave sensing |
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Application publication date: 20170419 |