技术领域technical field
本实用新型涉及一种医疗用具领域的生物传感装置，尤其是这种生物传感装置上的光信号传输检测头。The utility model relates to a biological sensing device in the field of medical appliances, in particular to an optical signal transmission detection head on the biological sensing device.
背景技术Background technique
目前的光电生物传感检测器与试剂测试片结合进行检测时，颜色传感器通常是在独立的光电二极管上覆盖经过修正的红、绿、篮滤光片，然后对输出信号进行相应的处理，才能将颜色信号识别出来；有的将两者集合起来，但是输出的模拟信号，需要一个A/D电路进行采样，对该信号进一步量化处理，才能进行识别，增加了电路的复杂性，并且存在较大的转换和识别误差，影响了识别的效果。在信号光源上，传统光源使用的是热光源，衰减量大，稳定性差，实际使用过程中需每次使用前要对光源校准，给使用者带来极大的不便。由于上述原因造成的不便与潜在不稳定性隐患，因此，有必要提供一种精度高，数字化，具备优良的灵敏度和反应特异性、结构简单，便于生产，方便用户使用的数字化光电生物传感检测器。When the current photoelectric biosensor detector is combined with the reagent test piece for detection, the color sensor is usually covered with corrected red, green, and basket filters on an independent photodiode, and then the output signal is processed accordingly to achieve Identify the color signal; some combine the two, but the output analog signal requires an A/D circuit to sample, and further quantize the signal before it can be identified, which increases the complexity of the circuit and has relatively Large conversion and recognition errors affect the recognition effect. In the signal light source, the traditional light source uses a thermal light source, which has a large attenuation and poor stability. In the actual use process, the light source needs to be calibrated before each use, which brings great inconvenience to users. Due to the inconvenience and potential instability hidden dangers caused by the above reasons, it is necessary to provide a digital photoelectric biosensing detection device with high precision, digitalization, excellent sensitivity and response specificity, simple structure, easy production, and user-friendly use. device.
实用新型内容Utility model content
鉴于现有生物传感器所存在的问题，本实用新型提供了一种精度高，数字化，具备优良的灵敏度和反应特异性、结构简单，便于生产，方便用户使用的生物传感器的光信号传输检测头。In view of the problems existing in the existing biosensors, the utility model provides a high-precision, digital, optical signal transmission detection head with excellent sensitivity and response specificity, simple structure, easy production, and user-friendly biosensors.
所述生物传感器包含生物传感器试剂测试片、电路板、电路板上的检测头。The biosensor comprises a biosensor reagent test piece, a circuit board, and a detection head on the circuit board.
本实用新型所根据的原理是：设置有固定在电路板上的颜色传感器和装置在机械光道传输器内的LED灯，在检测时，通过给LED灯加电发光，光亮经过光道传输将光聚焦到测试片，测试片由于与化学物质(或酶)反应而发生颜色差异，当聚焦光照射到检测片上时，因颜色不同所产生的折射量而不同，折射后的光传输至颜色传感器，颜色传感器接收到不同光波后而转换为全数字化的频率值，根据频率值变化量就可分辨出不同浓度测试样本与测试片反应结果，通过电路板上的微处理器处理频率变化量信号，分析信号后就可以定量或半定量的方式计算出测试样本的浓度结果。本实用新型全数字化光电生物传感检测装置可实现对各种化学试剂、生物酶发生反应后有颜色变化的样本快速检测，具有简便快捷、测试精度高、稳定性好等特点。The utility model is based on the principle that a color sensor fixed on a circuit board and an LED lamp installed in a mechanical optical channel transmitter are provided. When detecting, the LED lamp is powered to emit light, and the light passes through the optical channel transmission The light is focused on the test piece, and the test piece has a color difference due to the reaction with the chemical substance (or enzyme). When the focused light is irradiated on the test piece, the amount of refraction due to the different colors is different, and the refracted light is transmitted to the color sensor. , the color sensor receives different light waves and converts them into fully digital frequency values. According to the change of frequency value, the reaction results of test samples with different concentrations and test pieces can be distinguished, and the frequency change signal is processed by the microprocessor on the circuit board. After analyzing the signal, the concentration result of the test sample can be calculated in a quantitative or semi-quantitative manner. The full-digital photoelectric biosensing detection device of the utility model can realize rapid detection of samples with color changes after various chemical reagents and biological enzymes react, and has the characteristics of simplicity and speed, high testing accuracy, and good stability.
本实用新型是这样实现的：光信号传输检测头，包括传感器，其特征在于，所述的传感器为颜色传感器；所述的传感器的一侧或两侧设置有传输光道，所述传输光道相对于测试片呈一定倾斜角度；所述的传输光道上端设置有LED灯孔，所述LED灯孔内置LED灯。The utility model is realized in the following way: the optical signal transmission detection head includes a sensor, and it is characterized in that the sensor is a color sensor; one side or both sides of the sensor is provided with a transmission path, and the transmission path It has a certain inclination angle relative to the test piece; the upper end of the transmission light path is provided with an LED light hole, and the LED light hole has a built-in LED light.
所述的LED灯和传输光道互相匹配，数量可以是一个或两个。The LED lamp and the transmission light channel are matched with each other, and the quantity can be one or two.
此检测装置电路板上的颜色传感器镶嵌在检测头上的颜色传感器位置内，LED灯安装在LED灯孔内，通过单片机控制给LED灯和颜色传感器加电工作，让LED灯光线经光学通路聚焦到测试片上，测试片上的折射光经检测头光路传输至颜色传感器接收窗口，颜色传感器接收到光信号经数字量化后，由单片机分析处理就可显示出检测片上的颜色变化量，检测片上颜色变化量随测试样本浓度而变化，由此可得出测试样本的浓度值。The color sensor on the circuit board of the detection device is embedded in the position of the color sensor on the detection head, and the LED light is installed in the LED light hole. The LED light and the color sensor are powered on through the control of the single-chip microcomputer, so that the light of the LED light can be focused through the optical path. On the test piece, the refracted light on the test piece is transmitted to the receiving window of the color sensor through the optical path of the detection head. After the light signal is digitally quantified by the color sensor, it can be analyzed and processed by the single-chip microcomputer to display the color change on the test piece, and the color change on the test piece The amount varies with the concentration of the test sample, from which the concentration value of the test sample can be obtained.
本实用新型优势在于体积小，检测头输出的是全数字信息，控制电路简单，LED为冷光源，性能稳定，其小型化容易实现，测量信号可稳定获得，及容易实现与各种电子设备的结合。The utility model has the advantages of small size, the output of the detection head is full digital information, the control circuit is simple, the LED is a cold light source, the performance is stable, its miniaturization is easy to realize, the measurement signal can be obtained stably, and it is easy to realize the integration with various electronic devices. combined.
综上所述，本实用新型具有以下优势：In summary, the utility model has the following advantages:
结构简单，开模注塑成型容易，角度控制简单，易于小型化；Simple structure, easy mold opening and injection molding, simple angle control, and easy miniaturization;
聚焦好，光强度大，折射信号强；Good focus, high light intensity, strong refraction signal;
信号稳定，全数字化，具备优良的灵敏度和反应特异性，抗干扰强；The signal is stable, fully digital, with excellent sensitivity and response specificity, and strong anti-interference;
极容易实现与各种电子设备的结合，是具有对颜色差异性识别的生物传感器及其检测装置，可用于各种颜色识别分析装置，如光电血糖仪、食用油分析仪、尿液分析仪、血液分析仪等各种电子设备。It is very easy to realize the combination with various electronic devices. It is a biosensor and its detection device that can recognize color differences. It can be used in various color recognition and analysis devices, such as photoelectric blood glucose meters, edible oil analyzers, urine analyzers, Various electronic equipment such as blood analyzers.
附图说明Description of drawings
此处所说明的附图用来提供对本实用新型的进一步理解，构成本实用新型的一部分，并不构成对本实用新型的限定：The accompanying drawings described here are used to provide a further understanding of the utility model, constitute a part of the utility model, and do not constitute a limitation of the utility model:
图1为本实用新型实施例中双灯头的结构示意图正视图；Fig. 1 is the front view of the structure schematic diagram of double lamp holder in the utility model embodiment;
图2为本实用新型实施例中双灯头的结构示意图侧视图；Fig. 2 is a schematic side view of the structure of the double lamp holder in the embodiment of the present invention;
图3为本实用新型实施例中单灯头的结构示意图正视图；Fig. 3 is a schematic front view of the structure of a single lamp cap in the embodiment of the utility model;
图4为本实用新型实施例中单灯头的结构示意图侧视图；Fig. 4 is a schematic side view of the structure of a single lamp holder in an embodiment of the utility model;
图中：1，颜色传感器；2，传输光道；3，测试片；4，LED灯孔；5，LED灯。In the figure: 1, color sensor; 2, transmission light channel; 3, test piece; 4, LED light hole; 5, LED light.
具体实施方式detailed description
本实用新型包括颜色传感器1，其一侧或两侧设置有传输光道2，所述传输光道2相对于测试片3呈一定倾斜角度；所述的传输光道2上端设置有LED灯孔4，所述LED灯孔内置LED灯5。The utility model comprises a color sensor 1, one or both sides of which are provided with a transmission light channel 2, and the transmission light channel 2 is at a certain inclination angle relative to the test piece 3; the upper end of the transmission light channel 2 is provided with an LED light hole 4. The LED lamp hole has a built-in LED lamp 5 .
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578149.8UCN204989031U (en) | 2015-08-03 | 2015-08-03 | Light signal transmission detects head |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578149.8UCN204989031U (en) | 2015-08-03 | 2015-08-03 | Light signal transmission detects head |
| Publication Number | Publication Date |
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| CN204989031Utrue CN204989031U (en) | 2016-01-20 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578149.8UExpired - LifetimeCN204989031U (en) | 2015-08-03 | 2015-08-03 | Light signal transmission detects head |
| Country | Link |
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| CN (1) | CN204989031U (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990920A (en)* | 2015-08-03 | 2015-10-21 | 桂林中辉科技发展有限公司 | Light signal transmission detection head |
| CN107991275A (en)* | 2017-11-15 | 2018-05-04 | 北京化工大学 | A kind of optical fiber dissolved oxygen detection method and device based on fluorescent quenching |
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104990920A (en)* | 2015-08-03 | 2015-10-21 | 桂林中辉科技发展有限公司 | Light signal transmission detection head |
| CN107991275A (en)* | 2017-11-15 | 2018-05-04 | 北京化工大学 | A kind of optical fiber dissolved oxygen detection method and device based on fluorescent quenching |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term | Granted publication date:20160120 | |
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