CN104568904A - Detection circuit for liquor receiving detector - Google Patents
Detection circuit for liquor receiving detector Download PDFInfo
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- CN104568904A CN104568904A CN201410851914.9A CN201410851914A CN104568904A CN 104568904 A CN104568904 A CN 104568904A CN 201410851914 A CN201410851914 A CN 201410851914A CN 104568904 A CN104568904 A CN 104568904A
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- detecting device
- testing circuit
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Abstract
The invention relates to a detection circuit for a liquor receiving detector. The detection circuit comprises a Raman probe for performing laser excitation on a sample solution, a sensor array which is connected to the Raman probe to be used for acquiring Raman spectrums, a central processor for analyzing the Raman spectrums so as to obtain an alcohol content, and a signal processing module connected between the sensor array and the central processor, wherein the signal processing module comprises a signal amplifying unit and a signal filtering unit, and the signal filtering unit is used for receiving Raman spectrum signals from the sensor array and filtering interference signals in the Raman spectrum signals. According to the detection circuit for the liquor receiving detector, which is disclosed by the invention, the signal filtering unit in the signal processing module receives the Raman spectrum signals from the sensor array and filters the interference signals in the Raman spectrum signals, so that signal interference is reduced, and the alcohol testing precision is improved.
Description
Technical field
The present invention relates to alcohol detecting device, particularly relate to one and connect wine detecting device testing circuit.
Background technology
In white wine manufacturing industry, usually need to detect the alcohol content of wine.At present, measure alcohol wine degree and usually use alcoholometer, alcohol meter.Alcoholometer is different according to alcohol concentration, and proportion is different, and the principle that buoyancy aid sinks to the volume that arranges wine liquid in wine liquid different manufactures.But the measurement result accuracy that existing alcohol meter measures alcohol method is not good, and need manually to participate in also record one by one, waste time and energy.
Because above-mentioned defect, the design people, actively in addition research and innovation, connect wine detecting device testing circuit to founding one, makes it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of alcohol screen test precision high connect wine detecting device testing circuit.
Of the present inventionly connect wine detecting device testing circuit, it comprises the Raman probe in order to carry out laser excitation to sample solution, be connected to the sensor array in order to obtain Raman spectrum of described Raman probe, in order to the central processing unit of Raman spectrum analysis alcohol content and the signal processing module that is connected between described sensor array and described central processing unit, described signal processing module comprises signal amplification unit and signal filtering unit, described signal filtering unit comes from the raman spectral signal of described sensor array in order to reception and filters the undesired signal in described raman spectral signal.
Further, described in connect wine detecting device testing circuit and comprise a probe power for carrying out powering for described sensor array, described probe power is connected between described sensor array and described central processing unit.
Further, connect wine detecting device testing circuit described in and comprise a digital circuit power source for carrying out powering for described central processing unit.
Further, described central processing unit is MSP430 single-chip microcomputer.
Further, described probe power is connected to described signal processing module, powers to give described signal processing module.
Further, described probe power is connected to central processing unit, and described central processing unit controls the power supply of described probe power.
Further, described signal amplification unit adopts the amplification chip of corresponding enlargement factor for different signals.
By such scheme, the present invention at least has the following advantages: the wine detecting device testing circuit that connects of the present invention receives the raman spectral signal coming from described sensor array by the signal filtering unit in signal processing module, first electric signal is amplified, then carry out filtering, different enlargement factors is adopted for different electric signal, the frequency filtering of unlike signal is different, after the present invention ensures filtering as far as possible, useful signal is undistorted, thus minimizing signal disturbing, promote alcohol screen test precision.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention connects wine detecting device testing circuit.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1, wine detecting device testing circuit is connect described in a preferred embodiment of the present invention, comprise the Raman probe (not shown) in order to carry out laser excitation to sample solution 10, be connected to the sensor array 20 in order to obtain Raman spectrum of described Raman probe, in order to the central processing unit 50 of Raman spectrum analysis alcohol content and the signal processing module 30 that is connected between described sensor array 20 and described central processing unit 50, described signal processing module 30 comprises signal amplification unit and signal filtering unit, signal amplification unit and signal filtering unit can have many groups, described signal amplification unit comes from the raman spectral signal of described sensor array 20 in order to receive, and original signal is amplified, signal filtering unit is then for filtering the undesired signal in the signal after amplification, be sent to central processing unit 50 again.
Originally the course of work connecing wine detecting device testing circuit is roughly as follows: first by sensor array 20, the light signal sensed is converted into electric signal, convert in the process of electric signal at light signal, due to the impact of the factors such as external environment condition, undesired signal can be brought in the electric signal obtained, this undesired signal can be the civilian wave interference of alternating current, also may be the undesired signal of other types.After this electric signal is through amplification, filtering process, and also undesired signal is amplified while wherein useful signal being amplified in signal amplification process, this result will cause very large disturbing effect, the undesired signal in electric signal can be removed by filtering process.
In preferred embodiment, described in connect wine detecting device testing circuit and comprise a probe power 40 for carrying out powering for described sensor array 20, described probe power 40 is connected between described sensor array 20 and described central processing unit 50.The described wine detecting device testing circuit that connects also comprises a digital circuit power source 60 for carrying out powering for described central processing unit 50.In the present embodiment, described central processing unit is MSP430 single-chip microcomputer.Described probe power 40 is connected to described signal processing module 30, powers to give described signal processing module 30.Described probe power 40 is connected to central processing unit 50, and described central processing unit 50 controls the power supply of described probe power 40.
By such scheme, the present invention at least has the following advantages: the wine detecting device testing circuit that connects of the present invention is come from the raman spectral signal of described sensor array by the signal filtering unit reception in signal processing module and filtered the undesired signal in described raman spectral signal, thus minimizing signal disturbing, promote alcohol screen test precision.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (7)
1. one kind connects wine detecting device testing circuit, it is characterized in that: described in connect wine detecting device testing circuit and comprise Raman probe in order to carry out laser excitation to sample solution, be connected to the sensor array in order to obtain Raman spectrum of described Raman probe, in order to the central processing unit of Raman spectrum analysis alcohol content and the signal processing module that is connected between described sensor array and described central processing unit, described signal processing module comprises signal amplification unit and signal filtering unit, described signal filtering unit comes from the raman spectral signal of described sensor array in order to reception and filters the undesired signal in described raman spectral signal.
2. according to claim 1ly connect wine detecting device testing circuit, it is characterized in that: described in connect wine detecting device testing circuit and comprise a probe power for carrying out powering for described sensor array, described probe power is connected between described sensor array and described central processing unit.
3. according to claim 1ly connect wine detecting device testing circuit, it is characterized in that: described in connect wine detecting device testing circuit and comprise a digital circuit power source for carrying out powering for described central processing unit.
4. according to claim 1ly connect wine detecting device testing circuit, it is characterized in that: described central processing unit is MSP430 single-chip microcomputer.
5. according to claim 2ly connect wine detecting device testing circuit, it is characterized in that: described probe power is connected to described signal processing module, power to give described signal processing module.
6. according to claim 5ly connect wine detecting device testing circuit, it is characterized in that: described probe power is connected to central processing unit, described central processing unit controls the power supply of described probe power.
7. according to claim 1ly connect wine detecting device testing circuit, it is characterized in that: described signal amplification unit adopts the amplification chip of corresponding enlargement factor for different signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851914.9A CN104568904A (en) | 2014-12-31 | 2014-12-31 | Detection circuit for liquor receiving detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851914.9A CN104568904A (en) | 2014-12-31 | 2014-12-31 | Detection circuit for liquor receiving detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568904A true CN104568904A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851914.9A Pending CN104568904A (en) | 2014-12-31 | 2014-12-31 | Detection circuit for liquor receiving detector |
Country Status (1)
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| CN (1) | CN104568904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290298A (en) * | 2016-08-03 | 2017-01-04 | 苏州优谱德精密仪器科技有限公司 | Wine liquid hierarchical detection system |
| CN107238595A (en) * | 2017-05-05 | 2017-10-10 | 浙江大学 | The alcohol concentration measurement apparatus and measuring method of closed vessel |
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| CN107238595A (en) * | 2017-05-05 | 2017-10-10 | 浙江大学 | The alcohol concentration measurement apparatus and measuring method of closed vessel |
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Application publication date: 20150429 |
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