CN105334405B - A kind of electrical characteristic detector of liquid beverage - Google Patents
A kind of electrical characteristic detector of liquid beverage Download PDFInfo
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- CN105334405B CN105334405B CN201410320516.4A CN201410320516A CN105334405B CN 105334405 B CN105334405 B CN 105334405B CN 201410320516 A CN201410320516 A CN 201410320516A CN 105334405 B CN105334405 B CN 105334405B
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Abstract
The invention discloses a kind of electrical characteristic detectors of liquid beverage, including signal loading and acquisition unit, signal processing analysis unit and power circuit；The signal loading is electrically connected with acquisition unit with the signal processing analysis unit；The signal processing analysis unit sends pumping signal to the signal loading and acquisition unit；For receiving the pumping signal and pumping signal being transmitted in liquid beverage sample, the response signal is simultaneously sent to the signal processing analysis unit by response signal of the acquisition liquid beverage sample under pumping signal effect for the signal loading and acquisition unit；The signal processing analysis unit is analyzed and processed to obtain the electrical characteristic parameter of liquid beverage sample according to the response signal for receiving the response signal.Detector of the invention is easy to carry, may be implemented whenever and wherever possible to detect liquid beverage, detection process is simple, facilitates in daily life and uses at any time.
Description
Technical field
The present invention relates to integrated circuits and systems design area, and in particular to a kind of electrical characteristic detector of liquid beverage.
Background technique
Liquid beverage is the indispensable drink of most of compatriots, however the quality of liquid beverage is irregular on the market at present,
Want the true and false quality of one bottle of liquid beverage of differentiation, it usually needs carry out to the content of various substances contained therein qualitative and fixed
The analysis of amount, alcoholic strength, total acid as contained in wine, total ester, and the methanol, fusel oil, the heavy metal that are harmful to the human body etc..So
And the detection of these substances needs to rely on the instrument of modern precision, while its detection process is also extremely complex.
By taking red wine as an example, China's red wine quality discrimination at present mainly uses two class methods, first is that chemical analysis method, such as paper
Chromatography, gas-chromatography, liquid chromatogram etc., instrument and equipment needed for this method is huger, and detection process is complicated, and time-consuming；Second is that
The method of sensory evaluation, this method need outstanding taster, and human cost is higher, not can be carried out large-scale detection.For
There is the shortcomings that time-consuming, laborious, expense object, limit it in industrial production in this COMPLEX MIXED objects system of red wine, both methods
And the field of circulation is widely used, and can not be competent at scene and quickly and easily detect work.
Currently, before liquid beverage factory all analysis detection need to be carried out according to related standard, with detect in food whether having
Additive, whether exceeded, whether fresh etc. is learned, however this supervision is generally carried out using the method for sampling check, and is sampled
What inspection was also detected only for the unitem of each product, supervision is limited, tends not to guarantee all quotient
Red wine in field, supermarket is all safety approval.Simultaneously for inlet liquid drink, the test mode of sampling can only be also taken,
It cannot be guaranteed that the quality of inlet liquid drink.But it is suitble to pacifying for liquid beverage for the common people without a kind of
Full device for fast detecting goes to judge whether bought liquid beverage is superior in quality, avoids having dust thrown into the eyes by economic loss.
Summary of the invention
The present invention provides a kind of electrical characteristic detector of liquid beverage, solves not showing in current liquid beverage quality testing
The problem of field is quickly and easily detected and existing liquid beverage quality testing is not applied for the common people.
The present invention provides a kind of electrical characteristic detector of liquid beverage, including signal loading and acquisition unit, signal processing
Analytical unit and power circuit；
The signal loading is electrically connected with acquisition unit with the signal processing analysis unit；The signal processing analysis list
Member sends pumping signal to the signal loading and acquisition unit；The signal loading and acquisition unit are for receiving the excitation
Pumping signal is simultaneously transmitted in liquid beverage sample by signal, response of the acquisition liquid beverage sample under pumping signal effect
The response signal is simultaneously sent to the signal processing analysis unit by signal；
The signal processing analysis unit carries out at analysis for receiving the response signal according to the response signal
Reason obtains the electrical characteristic parameter of liquid beverage sample；
The power circuit is connect with the signal loading with acquisition unit and signal processing analysis unit respectively, for for
The signal loading and acquisition unit and signal processing analysis unit provide electric energy.
Further, the signal loading and acquisition unit include that pumping signal load electrod-array and response signal acquire
Electrod-array；
The pumping signal load electrod-array is electrically connected with the signal processing analysis unit, for receiving pumping signal
And the pumping signal is transmitted in liquid beverage sample；
Response signal of the response signal acquisition electrode array acquisition liquid beverage sample under pumping signal effect
And the response signal is sent to the signal processing analysis unit.
Further, the pumping signal loads electrod-array at least two, and pumping signal described at least two adds
Electrod-array is carried to be located at around the response signal acquisition electrode array；The response signal acquisition electrode array is by more
A electrode is arranged in matrix.
Further, the signal processing analysis unit includes excitation source module, analog-to-digital conversion module and signal processing mould
Block；
The excitation source module is connect with pumping signal load electrod-array, for generating pumping signal and will motivate
Signal is sent to the pumping signal load electrod-array；
The analog-to-digital conversion module is connect with the signal processing module, for receiving response signal, believing the response
It number is converted to digital signal and is sent to signal processing module；
The signal processing module is analyzed and processed digital signal to obtain liquid beverage sample for receiving digital signal
The electrical characteristic parameter of product.
Further, the signal processing analysis unit further includes amplification filter module, memory module, clock module and temperature
Spend compensating module；
The amplification filter module is connect with the response signal acquisition electrode array and analog-to-digital conversion module respectively, is carried out
The analog-to-digital conversion module is sent to after amplification filtering；
The memory module is connect with the signal processing module, for storing the electrical characteristic parameter of liquid beverage sample；
The clock module respectively with excitation source module, amplification filter module, analog-to-digital conversion module, signal processing module and
Memory module connection is the excitation source module, amplification filter module, analog-to-digital conversion module, signal processing module and storage mould
Block provides clock signal；
The temperature compensation module is connect with the signal processing module, for detecting the temperature of liquid beverage sample and inciting somebody to action
The temperature is sent to signal processing module；The signal processing module is according to the temperature to the electrical characteristics of liquid beverage sample
Parameter is modified.
Further, the detector further includes interactive unit；The interactive unit include Wireless communication interface module,
LCD display and key module；
The Wireless communication interface module is connect with the memory module and signal processing module respectively, and being used for will be by cloud
The data transmission of database to memory module carries out storage or by the data transmission of cloud database to signal processing module, and
The electrical characteristic parameter of liquid beverage sample is sent to cloud database；
The LCD display is connect with the signal processing module, the analysis for display operation instruction and food quality
As a result；
The key module includes the key for controlling detector and opening and closing.
Further, the signal processing module reads the electrical characteristic parameter of the liquid beverage of memory module, and by its with
The electrical characteristic parameter of liquid beverage sample compares and analyzes, and the result of analysis is sent to LCD display and is shown.
Further, interface module receives the liquid that cloud database stores to the signal processing module by wireless communication
The electrical characteristic parameter of body drink compares and analyzes the electrical characteristic parameter of itself and liquid beverage sample, and by the result of analysis
LCD display is sent to show.
Further, the power circuit further includes power consumption control module and battery, and the power consumption control module is for controlling
Detector processed is in its power supply automatically cut off after a certain period of time to each unit that stops working.
Further, the detector further includes main body cover and protective cap；
The signal processing analysis unit, power circuit are set in the main body cover, and the LCD display is located at master
In body case；The key module is located at the top of the main body cover, and the signal loading and acquisition unit are located at the master
The tail end of body case simultaneously exposes shell；The protective cap is fastened on the tail end of main body cover for covering the signal loading and adopting
Collection unit and openable exposing signal loading and acquisition unit.
The beneficial effects of the present invention are: the electricity of the electrical characteristic detector detection liquid beverage using liquid beverage of the invention
When characteristic, signal loading and acquisition unit acquisition liquid beverage sample the pumping signal effect under response signal and will response
Signal is sent to signal processing analysis unit, and signal is analyzed and processed to obtain liquid drink signal processing analysis unit according to response
The electrical characteristic parameter of product sample.Detector of the invention is easy to carry, may be implemented whenever and wherever possible to detect liquid beverage,
Detection process is simple, facilitates in daily life and uses at any time.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the electrical characteristic detector of liquid beverage of the present invention；
Fig. 2 is a kind of a kind of system construction drawing of the electrical characteristic detector of liquid beverage of the present invention in embodiment；
Fig. 3 is the schematic diagram of signal loading and acquisition unit of the invention in another embodiment；
Fig. 4 is a kind of structural schematic diagram of excitation source module of the invention in embodiment；
Fig. 5 is a kind of a kind of appearance diagram of the electrical characteristic detector of liquid beverage of the present invention in embodiment；
Fig. 6 is a kind of use flow diagram of the electrical characteristic detector of liquid beverage of the present invention.
Specific embodiment
With the development of various food safety detection technologies, the electrical characteristic parameter detection method of substance starts slowly to pacify in food
Full field occurs.The electrical characteristics of food refer to that food material is under given conditions and itself cash out in electric field
Property.For the liquid beverage for including red wine, white wine, beer and various beverages, quality difference its specific component content, ratio etc.
There is biggish differences, therefore there is also certain differences for its electrical characteristic parameter.Therefore product can be determined by experiment
The electrical characteristic parameter range of good liquid beverage of fine quality is as detection reference, so that it may detect really to liquid beverage to be measured
Recognize its quality.Using red wine as the liquid beverage for measurement in a specific embodiment of the invention.
Below by specific embodiment combination attached drawing, invention is further described in detail.
Embodiment one:
Referring to FIG. 1, a kind of electrical characteristic detector of liquid beverage, including signal loading and acquisition unit 1, signal processing
Analytical unit 2 and power circuit 4.
Signal loading is electrically connected with acquisition unit 1 with signal processing analysis unit 2.Signal processing analysis unit 2, which is sent, to swash
Signal is encouraged to signal loading and acquisition unit 1.Signal loading is with acquisition unit 1 for receiving pumping signal and passing pumping signal
It is sent in red wine sample, signal loading and acquisition unit 1 acquire response signal of the red wine sample under pumping signal effect simultaneously
Response signal is sent to signal processing analysis unit 2.
Signal processing analysis unit 2 is for receiving response signal, and signal is analyzed and processed to obtain red wine according to response
The electrical characteristic parameter of sample.The electrical characteristic parameter of red wine sample includes impedance, admittance, dielectric constant etc., in this, as judge according to
The quality status of tested red wine is judged according to comparing with the high-quality red wine electrical characteristic parameter distribution situation that many experiments obtain.
Power circuit 4 is connect with signal loading with acquisition unit 1 and signal processing analysis unit 2 respectively, for being signal
Load provides power supply signal with acquisition unit 1 and signal processing analysis unit 2.
As shown in Figures 2 and 3, signal loading and acquisition unit 1 include that pumping signal load electrod-array 11 and response are believed
Number acquisition electrode array 12.Pumping signal load electrod-array 11 is electrically connected with signal processing analysis unit 2, for receiving excitation
Pumping signal is simultaneously transmitted in red wine sample by signal.Response signal acquisition electrode array 12 acquires red wine sample to be believed in the excitation
Response signal under number effect, and is sent to signal processing analysis unit 2 for response signal.As shown in figure 3, in the present embodiment,
Response signal acquisition electrode array 12 is array made of being arranged in matrix as multiple electrodes, and electrode uses dangler
To meet corresponding food hygienic standard；In order to which more effectively pumping signal is loaded into red wine sample, pumping signal load
Electrod-array 11 at least two, at least two pumping signal load column of electrode array 11 are located at response signal acquisition electrode
Around array 12.
As shown in Fig. 2, signal processing analysis unit 2 includes excitation source module 21, analog-to-digital conversion module 23 and signal processing
Module 24.Excitation source module 21 and pumping signal load electrod-array 11 and connect, for generating pumping signal and by pumping signal
It is sent to pumping signal load electrod-array 11.Analog-to-digital conversion module 23 is connect with signal processing module 24, for receiving response
Response signal is converted to digital signal and is sent to signal processing module 24 by signal.Signal processing module 24 is for receiving number
Word signal simultaneously is analyzed and processed digital signal to obtain the electrical characteristic parameter of red wine sample.It is readily appreciated that, signal processing module
24 can be Micro-processor MCV, or FPGA and universal cpu etc..
In a kind of realization, as shown in Figures 2 and 3, signal processing analysis unit 2 further includes memory module 25, amplification filtering
22 clock module 26 of module and temperature compensation module 27.Memory module 25 is connect with signal processing module 24, for storing red wine
The electrical characteristic parameter of sample.Amplify filter module 22 to connect with response signal acquisition electrode array 12 and analog-to-digital conversion module 23 respectively
It connects, is sent to analog-to-digital conversion module 23 for receiving response signal, and after response signal is amplified filtering.Clock module 26
Connect respectively with excitation source module 21, amplification filter module 22, analog-to-digital conversion module 23, signal processing module 24 and memory module 25
It connects, for being excitation source module 21, amplification filter module 22, analog-to-digital conversion module 23, signal processing module 24 and memory module
25 provide clock signal, and provide stable clock signal for other modules of detector.At temperature compensation module 27 and signal
It manages module 24 to connect, is sent to signal processing module 24 for detecting the temperature of red wine sample and will test temperature；Signal processing
Module 24 is modified the electrical characteristic parameter of red wine sample according to the detection temperature received.
As shown in Figure 2 and Figure 4, excitation source module 21 includes Digital Frequency Synthesize module 201 and voltage-controlled current source 202.Number
Word frequency synthesis module 201 includes frequency accumulator 2011, wave memorizer 2012, digital analog converter 2013 and low-pass filter
2014.Frequency accumulator 2011 is connect with clock module 26 respectively and signal processing module 24 connects, for receiving signal processing
The input frequency control word k that module 21 is sent, wherein the bit wide of input frequency control word k is L.Within a clock cycle, frequency
2011 couples of rate accumulator input frequency control word k carry out the phase code after phase linearity adds up and will add up and are sent to Waveform storage
Device 2012.Wave memorizer 2012 is connect with frequency accumulator 2011 and digital analog converter 2013 respectively, wave memorizer 2012
The corresponding amplitude code of the phase code received is sent to digital analog converter 2013.Digital analog converter 2013 and low-pass filter
The amplitude code received is converted to simulation step voltage and is sent to low-pass filter by 2014 connections, digital analog converter 2013
2014.Low-pass filter 2014 is connect with voltage-controlled current source 202, for being filtered to simulation step voltage, filters out simulation rank
Filtered simulation step voltage is simultaneously sent to voltage-controlled current source 202 by the noise of jump voltage.Voltage-controlled current source 202 and excitation are believed
Number load electrod-array connection 11, for filtered simulation step voltage to be converted to the pumping signals of current forms, and will
Pumping signal is sent to pumping signal load electrod-array 11.Digital Frequency Synthesize module 201 can produce 0-1Vpp, frequency is covered
Cover 100Hz-1MHz, frequency resolution is less than the controllable output sine wave of 1Hz waveform, square wave, triangular wave or sawtooth wave, amplitude and
The analog voltage signal of phase-adjustable, voltage signal is after voltage-controlled current source 202 is converted to current signal, waveform and letter
Number frequency remains unchanged.
When detecting the electrical characteristics of red wine using the electrical characteristic detector of the liquid beverage of the present embodiment, signal loading and acquisition
Unit 1 acquire red wine sample the pumping signal effect under response signal and response signal is sent to signal processing analysis list
Member 2, signal is analyzed and processed to obtain the electrical characteristic parameter of red wine sample signal processing analysis unit 2 according to response.This implementation
The detector of example is easy to carry, may be implemented whenever and wherever possible to detect red wine, detection process is simple, facilitates in daily life
It uses at any time.
Embodiment two:
As shown in Fig. 2, the present embodiment and the difference of embodiment one are, the electrical characteristics detection of the liquid beverage of the present embodiment
Instrument further includes interactive unit 3.Interactive unit 3 includes Wireless communication interface module 301, LCD display 302 and key module 303.
Wireless communication interface module 301 connect 24 with memory module 25 and signal processing module respectively, for by the number of cloud database
It is stored according to memory module 25 is sent to, realizes the real-time update for the local data that memory module 25 stores, or by cloud
The data transmission of database is to signal processing module 24；Interface module 301 can also be deposited by memory module 25 by wireless communication
The local data of storage is sent to cloud database and is stored, to enrich cloud database, alternatively, the signal in detector work
The data of 24 real-time calling cloud database of processing module carry out data analysis.LCD display 302 and signal processing module 24 connect
It connects, the analysis result for display operation instruction and food quality.Key module 303 includes that control detector opens and closes
Key.It is readily appreciated that, the interactive software that the interactive unit 3 of the present embodiment is connect with terminals such as mobile phone, PC and tablet computers is used for
The analysis result or using terminal for showing detector operate detector.
In a kind of realization, as shown in Fig. 2, power circuit 4 further includes power consumption control module 401 and battery 402.Power consumption control
Module 401 is for controlling detector in its power supply automatically cut off after a certain period of time to each unit that stops working.Battery 402 can be with
For dry cell or battery 402 or button cell.
In a kind of embodiment, as shown in figure 5, the electrical characteristic detector of liquid beverage further include main body cover 5, protective cap 6,
Battery case 7.Signal processing analysis unit 2, power circuit 4 are set to 5 in the main body cover, and LCD display 302 is located at master
In body case.Key module 303 is located at the top of main body cover 5, and signal loading and acquisition unit 1 are located at the tail of main body cover 5
It holds and exposes shell.Protective cap 6 is fastened on the tail end of main body cover 5 for blanket load and acquisition unit 1 and openable
Expose signal loading and acquisition unit 1.
The detector of the present embodiment since signal processing analysis unit 2, power circuit 4 are set to 5 in the main body cover,
LCD display 302 is located on main body cover and easy to carry, facilitates in daily life and uses at any time.
As shown in fig. 6, by taking red wine as an example, using the electrical characteristic detector detection red wine sample electricity of liquid beverage of the invention
The detailed process of characteristic are as follows:
1, take a small amount of red wine in cup.
2, the key 303 for pressing LED shows that detector is being answered when LCD display 302 shows " initialization "
Position powers on.When LCD display 302 shows " starting to measure ", user can be by the electrode section of the device and red wine to be measured
Sample comes into full contact with, and presses the button 303 again and detected.
At this point, excitation source module 21 can output waveform, amplitude, phase-adjustable current excitation signal, by signal plus
It carries and is loaded into red wine sample with the pumping signal of acquisition unit 1 load electrod-array 11, in signal loading and acquisition unit 1
Response signal acquisition electrode array 12 can acquire the response signal of red wine sample, and be transferred to signal processing analysis unit 2.It should
Response signal can be converted by amplification filter module 22, the response signal being amplified using analog-to-digital conversion module 23 first
It is analyzed for digital signal and into signal processing module 24.Signal processing module 24 can pass through collected response signal
Certain algorithm calculates the electrical characteristic parameter, including impedance, admittance, dielectric constant etc. of tested red wine sample, in this, as sentencing
The disconnected quality compared according to the high-quality red wine electrical characteristic parameter distribution situation obtained with many experiments to judge tested red wine
Situation.
3, the electrical characteristic parameter of red wine sample is sent to memory module 25 and stored by signal processing module 24, and red to sample
The quality of wine is analyzed.In the analysis process, whether detector judges currently networks, i.e. Wireless communication interface module 301
Whether in running order, if Wireless communication interface module 301 is in running order, detector preferentially can select cloud to take
The database data of business device compares and analyzes, i.e., by wireless communication interface module 301 by the data inventory of cloud server
The electrical characteristic data of the red wine of storage is sent to signal processing module 24, and signal processing module 24 is by the electrical characteristic parameter of red wine sample
It is compared analysis with the electrical characteristic data of red wine, and analysis result is sent to LCD display；If wireless communication interface mould
Block 301 is not on working condition, then signal processing module 24 receives the electrical characteristics number for the local red wine that memory module 25 stores
It is analyzed according to the electrical characteristic parameter with red wine sample, and analysis result is sent to LCD display.
4, when the display of LCD display 302 " detection is completed ", then detector completes this detection process, and analysis result passes through
LCD display 302 is shown, informs user's testing result, while being stored in memory module 25, can also be by wireless communication
Interface module 301 is transferred to intelligent terminal and checks testing result for user.This detection knot can be saved in memory module 25
Fruit, user can also be updated with not timing and cloud database, increase the accuracy of detection.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (7)
1. a kind of electrical characteristic detector of liquid beverage characterized by comprising signal loading and acquisition unit, signal processing
Analytical unit and power circuit；
The signal loading is electrically connected with acquisition unit with the signal processing analysis unit；The signal processing analysis unit hair
Send pumping signal to the signal loading and acquisition unit；The signal loading and acquisition unit are for receiving the pumping signal
And pumping signal is transmitted in liquid beverage sample, response signal of the acquisition liquid beverage sample under pumping signal effect
And the response signal is sent to the signal processing analysis unit；
The signal processing analysis unit is analyzed and processed for receiving the response signal according to the response signal
To the electrical characteristic parameter of liquid beverage sample；
The power circuit is connect with the signal loading with acquisition unit and signal processing analysis unit respectively, for being described
Signal loading and acquisition unit and signal processing analysis unit provide electric energy；
The signal processing analysis unit includes excitation source module, analog-to-digital conversion module, signal processing module and temperature-compensating mould
Block；
The excitation source module is connect with the signal loading and the pumping signal of acquisition unit load electrod-array, for generating
Pumping signal is simultaneously sent to the pumping signal load electrod-array by pumping signal；
The analog-to-digital conversion module is connect with the signal processing module, for receiving response signal, turning the response signal
It is changed to digital signal and is sent to signal processing module；
The signal processing module is analyzed and processed digital signal to obtain liquid beverage sample for receiving digital signal
Electrical characteristic parameter；
The temperature compensation module is connect with the signal processing module, for detect liquid beverage sample temperature and will be described
Temperature is sent to signal processing module；The signal processing module is according to the temperature to the electrical characteristic parameter of liquid beverage sample
It is modified；
The signal loading and acquisition unit include pumping signal load electrod-array and response signal acquisition electrode array；
The pumping signal load electrod-array is electrically connected with the signal processing analysis unit, for receiving pumping signal and inciting somebody to action
The pumping signal is transmitted in liquid beverage sample；
Response signal and general of the response signal acquisition electrode array acquisition liquid beverage sample under pumping signal effect
The response signal is sent to the signal processing analysis unit；
The pumping signal loads electrod-array at least two, and pumping signal described at least two loads electrod-array difference
Around the response signal acquisition electrode array；The response signal acquisition electrode array is by multiple electrodes with rectangular
Formula arranges.
2. the electrical characteristic detector of liquid beverage as described in claim 1, which is characterized in that the signal processing analysis unit
It further include amplification filter module, memory module and clock module；
The amplification filter module is connect with the response signal acquisition electrode array and analog-to-digital conversion module respectively, is amplified
The analog-to-digital conversion module is sent to after filtering；
The memory module is connect with the signal processing module, for storing the electrical characteristic parameter of liquid beverage sample；
The clock module respectively with excitation source module, amplification filter module, analog-to-digital conversion module, signal processing module and storage
Module connection mentions for the excitation source module, amplification filter module, analog-to-digital conversion module, signal processing module and memory module
For clock signal.
3. the electrical characteristic detector of liquid beverage as described in claim 1, which is characterized in that the detector further includes interaction
Unit；The interactive unit includes Wireless communication interface module, LCD display and key module；The signal processing analysis list
Member further includes memory module, and the memory module is connect with the signal processing module, for storing the electrical characteristics of red wine sample
Parameter；
The Wireless communication interface module is connect with the memory module and signal processing module respectively, and being used for will be by cloud data
The data transmission in library to memory module carries out storage or by the data transmission of cloud database to signal processing module, and by liquid
The electrical characteristic parameter of body drink sample is sent to cloud database；
The LCD display is connect with the signal processing module, the analysis result for display operation instruction and food quality；
The key module includes the key for controlling detector and opening and closing.
4. the electrical characteristic detector of liquid beverage as claimed in claim 3, which is characterized in that the signal processing module is read
The electrical characteristic parameter of the liquid beverage of memory module, and the electrical characteristic parameter of itself and liquid beverage sample is compared and analyzed,
The result of analysis is sent to LCD display to show.
5. the electrical characteristic detector of liquid beverage as claimed in claim 3, which is characterized in that the signal processing module passes through
Wireless communication interface module receives the electrical characteristic parameter of the liquid beverage of cloud database storage, by itself and liquid beverage sample
Electrical characteristic parameter compares and analyzes, and the result of analysis is sent to LCD display and is shown.
6. the electrical characteristic detector of liquid beverage as described in claim 1, which is characterized in that the power circuit includes power consumption
Control module and battery, the power consumption control module are automatically cut off after it stops working to each unit for controlling detector
Power supply.
7. the electrical characteristic detector of the liquid beverage as described in any one of claim 3 to 5, which is characterized in that the detection
Instrument further includes main body cover and protective cap；
The signal processing analysis unit, power circuit are set in the main body cover, and the LCD display is located at outside main body
On shell；The key module is located at the top of the main body cover, and the signal loading and acquisition unit are located at outside the main body
The tail end of shell simultaneously exposes shell；The tail end that the protective cap is fastened on main body cover is single for covering the signal loading and acquisition
First and openable exposing signal loading and acquisition unit.
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| CN201555511U (en) * | 2009-11-11 | 2010-08-18 | 北京航空航天大学 | Fault detection device for fire control system |
| US8508903B2 (en) * | 2011-05-27 | 2013-08-13 | Hon Hai Precision Industry Co., Ltd. | Network communication device |
| CN103675463A (en) * | 2012-09-12 | 2014-03-26 | 北京大学深圳研究生院 | Liquid dielectric constant measuring system self-adapting to scale and precision |
| CN103412013A (en) * | 2013-04-26 | 2013-11-27 | 河南工业大学 | Fish meal freshness degree detection device based on electronic tongue |
| CN103575315A (en) * | 2013-11-05 | 2014-02-12 | 南京航空航天大学 | Method using delay line type surface acoustic wave sensor to test characteristic parameters of article |
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