CN206756715U - Radar type moisture measurement system - Google Patents
Radar type moisture measurement system Download PDFInfo
- Publication number
- CN206756715U CN206756715U CN201720231292.9U CN201720231292U CN206756715U CN 206756715 U CN206756715 U CN 206756715U CN 201720231292 U CN201720231292 U CN 201720231292U CN 206756715 U CN206756715 U CN 206756715U
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- output end
- radar
- moisture tester
- moisture
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Abstract
The utility model discloses a kind of radar type moisture measurement system, including moisture tester and terminal, the moisture tester is radar type moisture tester, the radar type moisture tester includes moisture tester transmitting probe, moisture tester receiving transducer and radar front end system, and the radar front end system includes signal generation apparatus, power amplifier, microwave detector, wave filter and digital signal processor.The utility model has the characteristics of quick, not damaged, continuously detect using microwave radar signal, can accurately measure the moisture of testee.
Description
Technical field
It the utility model is related to a kind of moisture measurement equipment, and in particular to a kind of radar type moisture measurement system.
Background technology
The meaning of radar is " radio detection and ranging ", i.e., finds target with the method for radio and determine their sky
Between position, therefore, radar is also referred to as " radio-positioning ", and radar is the electronic equipment using electromagnetic wave detection target, radar
Transmitting electromagnetic wave is irradiated to target and receives its echo, and distance, the distance for being derived from target to electromagnetic emission point become
The information such as rate, orientation and height.
Radar role is similar with eyes ear, in fact, whether visible ray or radio wave, in itself
Be same thing, be all electromagnetic wave, the speed propagated in a vacuum is all light velocity C, difference be their own frequency and
Wavelength is different, its principle be the emitter of radar equipment by day bundle of lines electromagnetic wave energy directive space a direction, be in this
The electromagnetic wave that object reflection on direction is encountered, radar antenna receive this back wave, deliver to receiving device and handled, extraction has
Close some information of the object.
Moisture measurement can be industrial control analysis or the quality arbitration of industrial and agricultural products；Can be from
Moisture is determined into the product of ton meter only to carry out water analysis with several microlitres of test solutions in the lab；It can be water content
Constant water analysis or water content up to a few percent to tens are only millionth trace water analysis etc..
Existing Moisture Method generally can be divided into two major classes, i.e. physical analysis method and chemical analysis, existing physics
Analytic approach principle is usually resistance-type, condenser type and Weighing type, but because precision is not high, error is larger, causes a large amount of grains, kind
Son, medicinal material and other items go rotten in storage and transportation to go bad, and causes huge loss.
Utility model content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of radar type moisture is surveyed
Test system, it has the characteristics of quick, not damaged, continuously detect using microwave radar signal, can accurately measure testee
Moisture.
The utility model is achieved through the following technical solutions：
Radar type moisture measurement system, including moisture tester and terminal, the moisture tester are surveyed for radar type moisture
Instrument is tried, the radar type moisture tester includes moisture tester transmitting probe, moisture tester receiving transducer and radar front end
System, the radar front end system include signal generation apparatus, power amplifier, microwave detector, wave filter and data signal
Processor；The output end of the signal generation apparatus and the input of power amplifier connect；The output of the power amplifier
End is connected with moisture tester transmitting probe；The input of the microwave detector is connected with moisture tester receiving transducer, micro-
The output end of ripple wave detector and the input of wave filter connect；The output end of the wave filter and the input of digital signal processor
End connection；The output end of the digital signal processor is connected with terminal.During using the utility model, the letter of radar front end system
Number generating means produces radar signal, and caused radar signal is launched by moisture tester transmitting probe towards certain direction
Go, the radar signal launched encounters detection target back reflection and gives moisture tester receiving transducer, and moisture tester, which receives, to be visited
The microwave detector that the transmission signal received is sent to radar front end system by head is handled, and the signal by detection is filtered again
Ripple device and digital signal processor send terminal to, and user can obtain detecting the related moisture information of target by terminal, from
And complete moisture measurement work.Microwave detector is the interaction using microwave and material, and one side microwave is encountering detection
It can reflect, scatter and transmit during target, another aspect microwave can also produce interaction, microwave now with detection target
Signal can be influenceed by the electromagnetic parameter in material and geometric parameter, and microwave detector is by measuring microwave signal basic parameter
Change i.e. can reach detection target moisture.Because radar signal is millimeter wave, the working frequency of millimeter wave is between micro-
Between ripple and light, in whole work process, the utility model has the characteristics that：1st, microwave radar signal has quick, nothing
The characteristics of damaging, continuously detecting, the moisture of testee can be accurately measured by microwave detector；2nd, due to Microwave Frequency
The photon energy of section is low, and its radiation injury to human body is low, uses safety and environmental protection；3rd, can be examined under non-contact condition
Survey, reduce the workload of staff.
Further, the signal generation apparatus includes signal generator, high-frequency generator, isolator and phase converter, institute
The output end for stating signal generator is connected with high-frequency generator and phase converter respectively, the output end of high-frequency generator and isolator
Input connects, and the output end of isolator and the input of phase converter connect, and the output end of phase converter is as signal generation apparatus
Output end.In the utility model, signal caused by signal generator passes through high-frequency generator frequency modulation, then is adjusted by phase converter
Phase, so as to the radar signal needed.
Further, the high-frequency generator is dielectric oscillator.Dielectric oscillator has frequency stability height, noise
Low, small volume, it is simple in construction, cheap, insensitive to mechanical oscillation and power supply transient process the advantages of, this practicality can be made
New service behaviour is more reliable and more stable.
Further, the phase converter is switching line phase converter.
The utility model compared with prior art, has the following advantages and advantages：1st, microwave radar signal has
Quickly, not damaged, the characteristics of continuously detecting, the moisture of testee can be accurately measured by microwave detector；2nd, by
Low in the photon energy of microwave frequency band, its radiation injury to human body is low, uses safety and environmental protection；3rd, can be in non-contact condition
Under detected, reduce the workload of staff；4th, the dielectric oscillator used has that frequency stability is high, noise is low, body
The advantages of product is small, simple in construction, cheap, insensitive to mechanical oscillation and power supply transient process, can make the utility model
Service behaviour it is more reliable and more stable.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment
As shown in figure 1, a kind of radar type moisture measurement system of the present embodiment offer, radar type moisture measurement system, including
Moisture tester and terminal, moisture tester are radar type moisture tester, and radar type moisture tester includes moisture tester
Transmitting probe, moisture tester receiving transducer and radar front end system.
Radar front end system is included at signal generation apparatus, power amplifier, microwave detector, wave filter and data signal
Manage device；The output end of signal generation apparatus and the input of power amplifier connect；The output end of power amplifier is surveyed with moisture
Try the connection of instrument transmitting probe；The input of microwave detector is connected with moisture tester receiving transducer, the output of microwave detector
End is connected with the input of wave filter；The output end of wave filter and the input of digital signal processor connect；At data signal
The output end of reason device is connected with terminal.
Signal generation apparatus includes signal generator, high-frequency generator, isolator and phase converter, the output of signal generator
End is connected with high-frequency generator and phase converter respectively, and the output end of high-frequency generator and the input of isolator connect, isolator
Output end and the input of phase converter connect, the output end of the output end of phase converter as signal generation apparatus.
In the present embodiment, high-frequency generator is dielectric oscillator, and phase converter is switching line phase converter, the type of signal generator
Number it is SMC100A, the model DCH-4000P of digital signal processor, moisture tester transmitting probe and moisture tester connect
Receive probe and use probe of the Dongguan City top for the model 16A01L03-A01 of Electronics Co., Ltd..
When implementing the present embodiment, signal caused by signal generator passes through high-frequency generator frequency modulation, then is adjusted by phase converter
Phase, so as to the radar signal needed, caused radar signal is sent out by moisture tester transmitting probe towards certain direction
It is shot out, the radar signal launched encounters detection target back reflection and gives safety check instrument receiving transducer, and moisture tester, which receives, to be visited
The microwave detector that the transmission signal received is sent to radar front end system by head is handled, and the signal by detection is filtered again
Ripple device and digital signal processor send terminal to, and user can obtain detecting the related moisture information of target by terminal, from
And complete moisture measurement work.Microwave detector is the interaction using microwave and material, and one side microwave is encountering detection
It can reflect, scatter and transmit during target, another aspect microwave can also produce interaction, microwave now with detection target
Signal can be influenceed by the electromagnetic parameter in material and geometric parameter, and microwave detector is by measuring microwave signal basic parameter
Change i.e. can reach detection target moisture.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (4)
1. radar type moisture measurement system, including moisture tester and terminal, it is characterised in that the moisture tester is radar
Type moisture tester, the radar type moisture tester include moisture tester transmitting probe, moisture tester receiving transducer and
Radar front end system, the radar front end system include signal generation apparatus, power amplifier, microwave detector, wave filter and
Digital signal processor；
The output end of the signal generation apparatus and the input of power amplifier connect；
The output end of the power amplifier is connected with moisture tester transmitting probe；
The input of the microwave detector is connected with moisture tester receiving transducer, the output end and wave filter of microwave detector
Input connection；
The output end of the wave filter and the input of digital signal processor connect；
The output end of the digital signal processor is connected with terminal.
2. radar type moisture measurement system according to claim 1, it is characterised in that the signal generation apparatus includes letter
Number generator, high-frequency generator, isolator and phase converter, the output end of the signal generator respectively with high-frequency generator and tune
Phase device connects, and the output end of high-frequency generator and the input of isolator connect, the output end of isolator and the input of phase converter
End connection, the output end of the output end of phase converter as signal generation apparatus.
3. radar type moisture measurement system according to claim 2, it is characterised in that the high-frequency generator shakes for medium
Swing device.
4. radar type moisture measurement system according to claim 2, it is characterised in that the phase converter is switching line phase modulation
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231292.9U CN206756715U (en) | 2017-03-10 | 2017-03-10 | Radar type moisture measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231292.9U CN206756715U (en) | 2017-03-10 | 2017-03-10 | Radar type moisture measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756715U true CN206756715U (en) | 2017-12-15 |
Family
ID=60609857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720231292.9U Expired - Fee Related CN206756715U (en) | 2017-03-10 | 2017-03-10 | Radar type moisture measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206756715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872490A (en) * | 2017-03-10 | 2017-06-20 | 四川莱源科技有限公司 | Moisture content tester based on radar |
| CN109709113A (en) * | 2018-12-12 | 2019-05-03 | 北京农业智能装备技术研究中心 | A kind of soil moisture measurement device and method |
-
2017
- 2017-03-10 CN CN201720231292.9U patent/CN206756715U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872490A (en) * | 2017-03-10 | 2017-06-20 | 四川莱源科技有限公司 | Moisture content tester based on radar |
| CN109709113A (en) * | 2018-12-12 | 2019-05-03 | 北京农业智能装备技术研究中心 | A kind of soil moisture measurement device and method |
| CN109709113B (en) * | 2018-12-12 | 2021-09-28 | 北京农业智能装备技术研究中心 | Soil moisture measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210310 |