CN105334242A - Method for identifying authenticity of liquid beverage based on characteristic value of liquid beverage - Google Patents
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Abstract
本申请公开了一种基于液体饮品特征值识别液体饮品真伪的方法，包括如下步骤：将检测装置浸入待测液体饮品中，采集液体饮品特性；检测装置每间隔预设时间段提取并记录液体饮品特性，直至液体饮品特性保持恒定值；检测装置根据记录的液体饮品特性绘制液体饮品特性曲线，并计算出液体饮品特征值；将液体饮品特征值与标准数据库的特征值进行对比，根据对比结果识别待测液体饮品真伪，标准数据库为已建立好的存储有多种品牌液体饮品特征值的数据库；通过本申请提供的液体饮品真伪识别方法，使用者能够方便、有效、准确地对液体饮品真假优劣进行判断。
The present application discloses a method for identifying the authenticity of a liquid drink based on the characteristic value of the liquid drink, which includes the following steps: immersing the detection device in the liquid drink to be tested to collect the characteristics of the liquid drink; beverage characteristics until the liquid beverage characteristics maintain a constant value; the detection device draws the liquid beverage characteristic curve according to the recorded liquid beverage characteristics, and calculates the liquid beverage characteristic value; compares the liquid beverage characteristic value with the characteristic value of the standard database, and according to the comparison result To identify the authenticity of the liquid beverage to be tested, the standard database is an established database that stores the characteristic values of various brands of liquid beverages; through the method for identifying the authenticity of the liquid beverage provided by this application, the user can conveniently, effectively and accurately identify the authenticity of the liquid beverage. Judging the authenticity of drinks.
Description
技术领域 technical field
本申请涉一种基于液体饮品特征值识别液体饮品真伪的方法。 The present application relates to a method for identifying the authenticity of a liquid drink based on the characteristic value of the liquid drink.
背景技术 Background technique
随着科学技术的发展以及市场的竞争力，越来越多的液体饮品迅速发展，而液体饮品的优劣是消费者比较关注的问题，但是并没有提供统一的标准或者识别方法使消费者识别液体饮品的真伪。 With the development of science and technology and the competitiveness of the market, more and more liquid drinks are developing rapidly, and the quality of liquid drinks is a concern of consumers, but there is no uniform standard or identification method for consumers to identify Authenticity of liquid drinks.
以红酒为例，目前有两种方法可以区分一款红酒的真伪：一种是对其中所含的各种化学物质的含量进行定性和定量的分析，但这种方法所需的仪器设备较庞大，检测过程复杂耗时；另一种是根据个人红酒知识辨别或者通过品酒师的感官评判一款红葡萄酒的真假优劣，这种方法人力成本高，且具有主观性和随机性的缺点，所以这两种方法都不适用于大规模应用推广。 Taking red wine as an example, there are currently two ways to distinguish the authenticity of a red wine: one is to conduct qualitative and quantitative analysis of the content of various chemical substances contained in it, but the instruments and equipment required for this method are relatively Huge, complex and time-consuming detection process; the other is to judge the authenticity of a red wine based on personal knowledge of red wine or judge the quality of a red wine through the senses of a sommelier. This method has high labor costs and is subjective and random. Disadvantages, so these two methods are not suitable for large-scale application promotion.
因此，如果我们能够使用液体饮品特性建立简单的、快速的液体饮品识别方法，以快速地检测液体饮品的各种属性从而实现对液体饮品的鉴别，对于人们的生活和健康以及液体饮品市场发展具有重要意义。 Therefore, if we can use the characteristics of liquid beverages to establish a simple and fast liquid beverage identification method to quickly detect various attributes of liquid beverages so as to realize the identification of liquid beverages, it will be of great significance to people's life and health and the development of the liquid beverage market. Significance.
发明内容 Contents of the invention
针对液体饮品真伪的识别，本申请提供一种基于液体饮品特征值识别液体饮品真伪的方法，包括如下步骤： For the identification of the authenticity of liquid drinks, the present application provides a method for identifying the authenticity of liquid drinks based on the characteristic values of liquid drinks, including the following steps:
采集：将检测装置浸入待测液体饮品中，采集液体饮品特性； Collection: immerse the detection device in the liquid drink to be tested, and collect the characteristics of the liquid drink;
提取记录：检测装置每间隔预设时间段提取并记录液体饮品特性，直至液体饮品特性保持恒定值； Extraction record: The detection device extracts and records the characteristics of the liquid drink at intervals of a preset time period until the characteristics of the liquid drink remain constant;
计算：检测装置根据记录的液体饮品特性绘制液体饮品特性曲线，并计算出液体饮品特征值； Calculation: The detection device draws the characteristic curve of the liquid beverage according to the recorded characteristics of the liquid beverage, and calculates the characteristic value of the liquid beverage;
比对识别：将液体饮品特征值与标准数据库的特征值进行对比，根据对比结果识别待测液体饮品真伪，标准数据库为已建立好的存储有多种品牌液体饮品特征值的数据库。 Comparison identification: compare the characteristic value of the liquid drink with the characteristic value of the standard database, and identify the authenticity of the liquid drink to be tested according to the comparison result. The standard database is an established database that stores the characteristic values of various brands of liquid drinks.
本申请的有益效果是：本申请通过检测装置采集液体饮品特性，并根据液体饮品特性绘制液体饮品特性曲线，然后计算液体饮品特征值，将液体饮品特征值与标准数据库的特征值进行对比，根据对比结果识别待测液体饮品真伪，与现有识别液体饮品真伪的方法相比，本申请提供的方法识别液体饮品的准确率高，而且，本申请提供的方法使消费者不必学习丰富的液体饮品知识，也不必选择购买著名品牌的液体饮品，适用性强，便于普遍推广。 The beneficial effects of the application are: the application collects the characteristics of the liquid beverage through the detection device, draws the characteristic curve of the liquid beverage according to the characteristics of the liquid beverage, then calculates the characteristic value of the liquid beverage, and compares the characteristic value of the liquid beverage with the characteristic value of the standard database. Compare the results to identify the authenticity of the liquid drink to be tested. Compared with the existing methods for identifying the authenticity of the liquid drink, the method provided by the application has a high accuracy in identifying the liquid drink. Moreover, the method provided by the application eliminates the need for consumers to learn a wealth of information. It is not necessary to choose to buy liquid drinks of famous brands without the knowledge of liquid drinks, which is highly applicable and easy to popularize.
附图说明 Description of drawings
图1为本发明提供的基于液体饮品特征值识别液体饮品真伪方法的流程图； Fig. 1 is the flowchart of the method for identifying the authenticity of liquid drinks based on the characteristic value of liquid drinks provided by the present invention;
图2为实施例一以红酒为例识别红酒真伪流程图； Fig. 2 is a flow chart of identifying the authenticity of red wine by taking red wine as an example in embodiment one;
图3为实施例一以红酒为例采集红酒电特性流程图； Fig. 3 is a flow chart of collecting the electrical characteristics of red wine by taking red wine as an example in embodiment one;
图4为实施例一以红酒为例提取红酒电特性流程图； Fig. 4 is a flow chart of extracting the electrical characteristics of red wine by taking red wine as an example in embodiment one;
图5为实施例一的检测装置的电路原理图； Fig. 5 is the circuit principle diagram of the detection device of embodiment one;
图6为实施例二以红酒为例采集红酒光特性流程图。 Fig. 6 is a flow chart of collecting red wine light characteristics in embodiment 2 taking red wine as an example.
具体实施方式 detailed description
下面通过具体实施方式结合附图对本发明作进一步详细说明。 The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.
本发明提供一种基于液体饮品特征值识别液体饮品真伪的方法，包括如下步骤，其流程图如图1所示。 The present invention provides a method for identifying the authenticity of a liquid drink based on the characteristic value of the liquid drink, which includes the following steps, the flow chart of which is shown in FIG. 1 .
S101：采集：将检测装置浸入待测液体饮品中，采集液体饮品特性。 S101: collection: immerse the detection device in the liquid drink to be tested, and collect the characteristics of the liquid drink.
S102：提取记录：检测装置每间隔预设时间段提取并记录液体饮品特性，直至液体饮品特性保持恒定值。 S102: extraction record: the detection device extracts and records the properties of the liquid drink at intervals of preset time intervals until the properties of the liquid drink remain at a constant value.
S103：计算：检测装置根据记录的液体饮品特性绘制液体饮品特性曲线，并计算出液体饮品特征值。 S103: Calculation: the detection device draws a characteristic curve of the liquid beverage according to the recorded characteristics of the liquid beverage, and calculates a characteristic value of the liquid beverage.
S104：比对识别：将液体饮品特征值与标准数据库的特征值进行对比，根据对比结果识别待测液体饮品真伪。 S104: Compare and identify: compare the characteristic value of the liquid drink with the characteristic value of the standard database, and identify the authenticity of the liquid drink to be tested according to the comparison result.
实施例一： Embodiment one:
液体饮品可以为白酒、啤酒、红酒等其他饮品，本例以液体饮品为红酒为例，利用上述方法识别待测红酒真伪，其检测过程如下，流程图如图2所示。 The liquid drink can be white wine, beer, red wine and other drinks. In this example, the liquid drink is red wine as an example. The above method is used to identify the authenticity of the red wine to be tested. The detection process is as follows, and the flow chart is shown in Figure 2.
S201：采集：将检测装置浸入待测红酒中，采集红酒特性。 S201: Collection: immerse the detection device in the red wine to be tested, and collect the characteristics of the red wine.
待测红酒为还未经过醒酒过程的红酒，取足量待测红酒，将检测装置置于待测红酒中，打开检测装置的开关，检测装置自动开始识别检测。 The red wine to be tested is the red wine that has not gone through the process of sobering up. Take a sufficient amount of red wine to be tested, put the detection device in the red wine to be tested, turn on the switch of the detection device, and the detection device will automatically start to identify and detect.
所谓醒酒，是指将红酒通过注入醒酒器的开放时间，可使酒液大面积接触空气，从而加速单宁酸软化、充分释放封闭的香气，即红酒氧化的过程，所以待测红酒必须是刚开封的未接触过空气中的氧气。 The so-called sobering up refers to the process of red wine being oxidized by pouring the red wine into the sobering device so that a large area of the wine can contact the air, thereby accelerating the softening of tannic acid and fully releasing the enclosed aroma. Unopened and not exposed to oxygen in the air.
液体饮品特性包括电特性，电特性为待测液体饮品在不同频率、不同波形和不同幅度的电流激励下所表现出的属性，具体的以采集红酒电特性为例，采集红酒电特性的具体过程包括如下步骤，其流程图如图3所示： The characteristics of liquid beverages include electrical characteristics. The electrical characteristics are the properties of the liquid beverage to be tested under the current excitation of different frequencies, different waveforms and different amplitudes. Specifically, take the electrical characteristics of red wine as an example, and the specific process of collecting the electrical characteristics of red wine Including the following steps, the flow chart of which is shown in Figure 3:
S2011：检测装置的激励电极向待测红酒发送激励信号； S2011: the excitation electrode of the detection device sends an excitation signal to the red wine to be tested;
S2012：检测装置的信号检测电极采集待测红酒对激励信号响应的电信号； S2012: the signal detection electrode of the detection device collects the electrical signal of the response of the red wine to be tested to the excitation signal;
S2013：检测装置的处理模块将电信号转化为电特性。 S2013: The processing module of the detection device converts the electrical signal into an electrical characteristic.
S202：提取记录：检测装置每间隔预设时间段提取并记录红酒特性，直至红酒特性保持恒定值。 S202: extracting and recording: the detection device extracts and records the characteristics of the red wine at preset time intervals until the characteristics of the red wine maintain a constant value.
检测装置提取红酒特性的步骤如下，其流程图如图4所示： The steps for the detection device to extract the characteristics of red wine are as follows, and its flow chart is shown in Figure 4:
S2021：检测装置的激励电极每间隔预设时间段向待测红酒发送激励信号； S2021: The excitation electrode of the detection device sends an excitation signal to the red wine to be tested at intervals of preset time intervals;
S2022：检测装置的信号检测电极采集待测红酒对激励信号响应的电信号； S2022: The signal detection electrode of the detection device collects the electrical signal of the response of the red wine to be tested to the excitation signal;
S2023：检测装置的处理模块将电信号转化为电特性； S2023: The processing module of the detection device converts the electrical signal into an electrical characteristic;
S2024：检测装置提取并记录电特性； S2024: The detection device extracts and records the electrical characteristics;
S2025：判断连续记录N次的电特性是否为同一数值，N>1，如果不是同一数值，则返回S21步骤，如是同一数值执行S3步骤。 S2025: Determine whether the electrical characteristics recorded continuously for N times are the same value, N>1, if not, return to step S21, and execute step S3 if they are the same value.
例如，预设时间段为1min，N为3时，检测装置的激励电极每隔1min自动重新对待测红酒发送激励信号，并记录每次激励信号在待测红酒中产生的电特性，如果连续3次记录的电特性为同一数值，则检测装置的激励电极停止向待测红酒发送激励信号，否则继续间隔1min向待测红酒发送激励信号，直到出现连续3次记录的电特性不发生变化为止。 For example, when the preset time period is 1 minute and N is 3, the excitation electrode of the detection device will automatically re-send the excitation signal to the red wine to be tested every 1 minute, and record the electrical characteristics of each excitation signal in the red wine to be tested. If the electrical characteristics of the second record are the same value, the excitation electrode of the detection device stops sending excitation signals to the red wine to be tested, otherwise, continue to send excitation signals to the red wine to be tested at intervals of 1min until the electrical characteristics of 3 consecutive records do not change.
S203：计算：检测装置根据记录的红酒特性绘制红酒特性曲线，并计算出红酒特征值。 S203: Calculation: the detection device draws a wine characteristic curve according to the recorded characteristics of the red wine, and calculates the characteristic value of the red wine.
检测装置在S202步骤中记录的红酒特性为电特性，如导纳、介电常数等，检测装置的处理模块通过分析电特性绘制待测红酒在氧化过程中的红酒特性曲线，并通过红酒特性曲线计算出红酒特征值，红酒特征值为红酒特性曲线的斜率、切线斜率、拐点和最值。 The characteristics of the red wine recorded by the detection device in step S202 are electrical characteristics, such as admittance, dielectric constant, etc., and the processing module of the detection device draws the red wine characteristic curve of the red wine to be tested in the oxidation process by analyzing the electrical characteristics, and passes the red wine characteristic curve The characteristic value of red wine is calculated, and the characteristic value of red wine is the slope, tangent slope, inflection point and maximum value of the characteristic curve of red wine.
S204：比对识别：将红酒特征值与标准数据库的特征值进行对比，根据对比结果识别待测红酒真伪。 S204: Compare and identify: compare the characteristic value of the red wine with the characteristic value of the standard database, and identify the authenticity of the red wine to be tested according to the comparison result.
标准数据库为已建立好的存储有多种品牌红酒特征值的数据库，而且标准数据库中的特征值是在室温25度下提取的，若检测装置不是在室温下检测待测红酒，则检测装置还包括对红酒特征值进行修正，然后再将修正后的红酒特征值与标准数据库中的特征值进行对比，如通过温度补偿进行修正，使得本例的识别方法对红酒的真伪辨别适用性强，如，可以在不同场合、温度都能够进行红酒真伪识别，不受地域和红酒产品的影响。 The standard database is an established database that stores the characteristic values of various brands of red wine, and the characteristic values in the standard database are extracted at a room temperature of 25 degrees. If the detection device does not detect the red wine to be tested at room temperature, the detection device will still Including correcting the characteristic value of red wine, and then comparing the corrected characteristic value of red wine with the characteristic value in the standard database, such as correction by temperature compensation, so that the identification method in this example has strong applicability to the authenticity of red wine. For example, the authenticity of red wine can be identified in different occasions and temperatures, without being affected by regions and red wine products.
适用于上述识别方法的检测装置的电路原理图如图5所示，包括检测探头1、分析处理单元2、人机接口3；具体的，检测探头1包括激励电极101和信号检测电极102，分析处理单元2包括存储模块201、处理模块202和控制模块203，人机接口3包括按键301和显示模块302。 The circuit schematic diagram of the detection device suitable for the above identification method is shown in Figure 5, including a detection probe 1, an analysis processing unit 2, and a man-machine interface 3; specifically, the detection probe 1 includes an excitation electrode 101 and a signal detection electrode 102, and the analysis The processing unit 2 includes a storage module 201 , a processing module 202 and a control module 203 , and the man-machine interface 3 includes keys 301 and a display module 302 .
工作原理是：摁下按键301，检测装置的电源开关被打开，检测装置进入检测模式，不过只有检测到特定范围内的电特性数值，才开始进行对待测红酒氧化过程电特性的检测；控制模块203控制激励电极101以一分钟时间间隔自动向待测红酒发送激励信号，信号检测电极102检测到待测红酒对激励信号响应电信号，并将该电信号发送至存储模块201，存储模块201将信号检测电极102检测到的电信号存储起来，处理模块202将信号检测电极102检测到的电信号转化为待测红酒的电特性，电特性包括介电常数、导纳和电阻抗谱；经过连续三次检测到待测红酒的电特性不发生变化时，就停止检测红酒的电特性，处理模块202根据电特性，绘制待测红酒在氧化过程中的红酒特性曲线，并计算出红酒特性曲线的特征值，其特征值称为红酒特征值，并将红酒特征值与标准数据库中的特征值进行比较，如，红酒特征值与标准数据库中的特征值相同，或者红酒特征值符合标准数据库中的特征值的范围，则待测红酒为真，否则待测红酒为假；整个过程中，显示模块302能够显示空气实时温度、待测红酒实时温度、红酒氧化过程中的红酒特性曲线和红酒特征值；移动终端通过无线通信方式获取显示模块302中的数据，如移动终端通过蓝牙方式获取采集数据，本例的移动终端可以是手机或平板电脑等。 The working principle is: press the button 301, the power switch of the detection device is turned on, and the detection device enters the detection mode, but only when the electrical characteristic value within a specific range is detected, the detection of the electrical characteristic of the oxidation process of the red wine to be tested is started; the control module 203 controls the excitation electrode 101 to automatically send an excitation signal to the red wine to be tested at an interval of one minute, and the signal detection electrode 102 detects that the red wine to be tested responds to an electrical signal to the excitation signal, and sends the electrical signal to the storage module 201, and the storage module 201 will The electrical signal detected by the signal detection electrode 102 is stored, and the processing module 202 converts the electrical signal detected by the signal detection electrode 102 into the electrical characteristics of the red wine to be tested. The electrical characteristics include dielectric constant, admittance and electrical impedance spectrum; When it is detected that the electrical characteristics of the red wine to be tested do not change three times, the detection of the electrical characteristics of the red wine is stopped, and the processing module 202 draws the red wine characteristic curve of the red wine to be tested in the oxidation process according to the electrical characteristics, and calculates the characteristics of the red wine characteristic curve value, its eigenvalues are called red wine eigenvalues, and the red wine eigenvalues are compared with the eigenvalues in the standard database, for example, the red wine eigenvalues are the same as the eigenvalues in the standard database, or the red wine eigenvalues conform to the characteristics in the standard database value range, the red wine to be tested is true, otherwise the red wine to be tested is false; during the whole process, the display module 302 can display the real-time temperature of the air, the real-time temperature of the red wine to be tested, the red wine characteristic curve and the red wine characteristic value in the red wine oxidation process; The mobile terminal obtains the data in the display module 302 through wireless communication. For example, the mobile terminal obtains the collected data through Bluetooth. The mobile terminal in this example may be a mobile phone or a tablet computer.
进一步，检测探头1还具有温度补偿电路，因为标准红酒特征值的测定是在室温25度下进行测量，对于实际操作中，如果本例的识别方法不是在室温度下进行，温度补偿电路能够实时检测温度，并且对测量结果进行补偿。 Further, the detection probe 1 also has a temperature compensation circuit, because the determination of the characteristic value of standard red wine is measured at a room temperature of 25 degrees. The temperature is detected and the measurement result is compensated.
分析处理单元2可以基于单片机、MCU、FPGA或者ARM，能够记录每次检测探头采集到的电信号，并且将采集到的电信号转化为待测红酒的电特性，能够在平面坐标系中画出待测红酒电特性随时间的变化曲线，提取出红酒特征值。 Analysis and processing unit 2 can be based on single-chip microcomputer, MCU, FPGA or ARM, can record the electrical signal collected by each detection probe, and convert the collected electrical signal into the electrical characteristics of the red wine to be tested, and can draw in the plane coordinate system The characteristic value of the red wine is extracted from the time-varying curve of the electrical characteristics of the red wine to be measured.
显示模块302还具有提示功能，当检测装置检测完成时，显示模块302通过声音或LED灯光转换或者两者结合进行提示。 The display module 302 also has a reminder function, and when the detection by the detection device is completed, the display module 302 will give a reminder through sound or LED light switching or a combination of both.
实施例二： Embodiment two:
液体饮品还包括光特性，光特性为待测液体饮品在不同频率和不同强度的红外光照射下所表现出的属性，光特性包括反射率和透射率，实施例一是基于红酒电特性进行识别红酒真伪，本例还以红酒为例，并基于红酒光特性识别红酒真伪。 The liquid drink also includes light characteristics, which are the properties of the liquid drink to be tested under the irradiation of infrared light of different frequencies and intensities. The light characteristics include reflectivity and transmittance. Embodiment 1 is based on the electrical characteristics of red wine. For the authenticity of red wine, this example also takes red wine as an example, and identifies the authenticity of red wine based on the optical characteristics of red wine.
本例的检测装置的检测探头还包括红外光模块，其他电路结构和原理均与实施例一类同，不作赘述，控制模块控制红外光模块向待测红酒中发送红外光，采集红酒对红外光响应的光特性的具体过程包括如下步骤，其流程图如图6所示： The detection probe of the detection device of this example also includes an infrared light module, and other circuit structures and principles are the same as those in the embodiment, and will not be described in detail. The specific process of the light characteristics of the response includes the following steps, the flow chart of which is shown in Figure 6:
S301：检测装置的红外模块向待测红酒发送红外光； S301: the infrared module of the detection device sends infrared light to the red wine to be tested;
S302：检测装置的信号检测电极采集待测红酒对红外光响应的光信号； S302: the signal detection electrode of the detection device collects the optical signal of the red wine to be tested in response to the infrared light;
S303：检测装置的处理模块将光信号转化为所述光特性。 S303: The processing module of the detection device converts the optical signal into the optical characteristic.
本例提取记录红酒光特性的过程、绘制红酒光特性对应曲线并计算其特征值，以及比对识别红酒真伪分别与实施例一的红酒电特性提取记录、绘制红酒电特性对应曲线并计算其特征值，以及比对识别红酒真伪类同，不作赘述，请参考实施例一。 This example extracts and records the process of red wine light characteristics, draws the corresponding curve of red wine light characteristics and calculates its characteristic value, and compares and identifies the authenticity of red wine with the extraction record of red wine electrical characteristics, draws the corresponding curve of red wine electrical characteristics and calculates its The eigenvalues, and the comparison to identify the authenticity of the red wine are similar, and will not be described in detail. Please refer to the first embodiment.
在其他实施例中，可以同时采集液体饮品的电特性和光特性，通过分别绘制电特性和光特性对应的曲线，并计算各自曲线的特征值，然后再将该特征值与标准数据库的特征值进行对比，识别待测液体饮品真伪。 In other embodiments, the electrical characteristics and optical characteristics of the liquid drink can be collected simultaneously, by drawing curves corresponding to the electrical characteristics and optical characteristics respectively, and calculating the characteristic values of the respective curves, and then comparing the characteristic values with the characteristic values of the standard database , to identify the authenticity of the liquid drink to be tested.
以上内容是结合具体的实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换。 The above content is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. Those of ordinary skill in the technical field to which the present invention belongs can also make some simple deduction or replacement without departing from the concept of the present invention.
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