CN110826190A - Design method of portable device for measuring concentration of sol solution based on Tyndall effect - Google Patents
Design method of portable device for measuring concentration of sol solution based on Tyndall effectDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及一种基于丁达尔效应进行溶胶液浓度测量的便携式测量装置，主要用于在野外对含有纳米金、纳米银离子等溶胶液体的浓度测量。The invention relates to a portable measuring device for measuring the concentration of a sol liquid based on the Tyndall effect, which is mainly used for the concentration measurement of a sol liquid containing nano-gold, nano-silver ions and the like in the field.
背景技术Background technique
定量的测量液体的浓度在各个领域中都有着广泛的需求。目前，液体浓度检测方法主要有化学滴定法、光谱法、分光光度法、旋光度法、谐振法、荧光探针法，这些方法及相关检测仪器装置具有技术成熟、检测精度高等优点，但这些仪器装置价格高、体积大、环境条件要求高等缺点，需要在实验室使用，无法满足携带及野外对液体采样后立即检测的需要。在当前的一些特殊应用中，需要在野外对研究的液体对象进行采样，并立即对采样液体浓度进行检测，以往的液体浓度检测方法和装置难以满足这个要求。本发明提供一种便携式溶胶液浓度测量实验装置的设计方法，利用该方法设计的溶胶液体便携式实验装置用于研究丁达尔光强度与数字图像的关系、溶胶液浓度与丁达尔光强度的关系。Quantitatively measuring the concentration of liquids has a wide range of needs in various fields. At present, the detection methods of liquid concentration mainly include chemical titration, spectroscopy, spectrophotometry, optical rotation, resonance method, and fluorescent probe method. These methods and related detection instruments have the advantages of mature technology and high detection accuracy, but these instruments The device has the disadvantages of high price, large volume, and high environmental conditions. It needs to be used in the laboratory, and cannot meet the needs of carrying and testing the liquid immediately after sampling in the field. In some current special applications, it is necessary to sample the liquid object under study in the field, and immediately detect the concentration of the sampled liquid. The previous liquid concentration detection methods and devices are difficult to meet this requirement. The invention provides a design method of a portable sol liquid concentration measurement experimental device. The sol liquid portable experimental device designed by the method is used to study the relationship between Tyndall light intensity and digital image, and the relationship between sol solution concentration and Tyndall light intensity.
发明内容SUMMARY OF THE INVENTION
本发明的目的在提供了一种操作简单的便携式溶胶液浓度测量实验装置的设计方法，利用该方法设计的溶胶液体便携式实验装置用于研究丁达尔光强度与数字图像的关系、溶胶液体浓度与丁达尔光强度的关系。The purpose of the present invention is to provide a design method of a portable sol liquid concentration measurement experimental device with simple operation, and the sol liquid portable experimental device designed by this method is used to study the relationship between Tyndall light intensity and digital image, and the relationship between sol liquid concentration and sol liquid concentration. Tyndall light intensity relationship.
本发明所述的实时测量溶胶液浓度的便携式装置具体实现方法如下：The specific implementation method of the portable device for measuring the concentration of sol liquid in real time according to the present invention is as follows:
(1)便携式测量装置包括可旋转的试样安装与旋转部件、安装底板、光源部件、图像传感器部件、弹簧定位部件、上盖板、侧盖板等组成。(1) The portable measuring device consists of a rotatable sample mounting and rotating part, a mounting base plate, a light source part, an image sensor part, a spring positioning part, an upper cover plate, a side cover plate, etc.
(2)试样安装与旋转部件由试管安装圆盘、试管底支撑圆盘、旋转轴等组成。试管安装圆盘在靠近外径的圆周上均匀分布多个直通的试管安装圆孔，在圆盘中心开旋转轴安装孔；试管底支承圆盘支撑试管底部，在圆盘中心开旋转轴安装孔。旋转轴由尼龙或POM材料制作，上部具有固定试管安装圆盘的法兰台阶，下部具有安装在安装底板旋转孔的圆轴端。旋转轴穿过试管安装圆盘和试管底支撑圆盘的旋转轴安装孔，利用螺纹将试管安装圆盘和试管底支撑圆盘固定在旋转轴的法兰台阶上，两个圆盘之间的间距与试管直壁长度相适应。(2) The sample installation and rotation parts are composed of the test tube installation disc, the test tube bottom support disc, and the rotating shaft. The test tube installation disc evenly distributes a plurality of straight test tube installation holes on the circumference near the outer diameter, and the rotating shaft installation hole is opened in the center of the disc; the test tube bottom supporting disc supports the bottom of the test tube, and the rotating shaft installation hole is opened in the center of the disc . The rotating shaft is made of nylon or POM material, the upper part has a flange step for fixing the test tube installation disc, and the lower part has a round shaft end installed in the rotating hole of the installation base plate. The rotating shaft passes through the installation hole of the rotating shaft of the test tube installation disc and the test tube bottom support disc, and the test tube installation disc and the test tube bottom support disc are fixed on the flange steps of the rotating shaft by threads, and the space between the two discs is fixed. The spacing is adapted to the length of the straight wall of the test tube.
(3)光源部件由光源和光源固定支架组成，光源安装在光源固定支架上，光源固定支架能够在安装底板的光源安装调整槽中调整位置并用螺纹固定。(3) The light source component is composed of a light source and a light source fixing bracket, the light source is installed on the light source fixing bracket, and the light source fixing bracket can be adjusted in the light source installation adjustment groove of the installation base plate and fixed with threads.
(4)图像传感器部件由数字图像传感器和传感器固定支架组成，数字图像传感器安装在传感器固定支架上，传感器固定支架能够在安装底板的传感器安装调整槽中调整位置并用螺纹固定。(4) The image sensor part consists of a digital image sensor and a sensor fixing bracket. The digital image sensor is installed on the sensor fixing bracket. The sensor fixing bracket can adjust the position in the sensor installation adjustment groove of the installation base plate and fix it with threads.
(5)弹簧定位部件由弹簧定位珠和定位珠固定支架组成，弹簧定位珠安装在定位珠固定支架上，定位珠固定支架安装在安装底板上。(5) The spring positioning part is composed of a spring positioning bead and a positioning bead fixing bracket. The spring positioning bead is installed on the positioning bead fixing bracket, and the positioning bead fixing bracket is installed on the installation base plate.
(6)安装底板由黑色POM或黑色尼龙等黑色材料制作。安装底板具有旋转轴孔、光源部件安装调整槽、传感器部件安装调整槽等；试样安装与旋转部件的旋转轴安装在安装底板的旋转轴孔中；光源部件安装在安装底板的光源部件安装调整槽中，在调整槽中调整好光源与试样之间的距离后，用螺纹后固定光源部件；传感器部件安装在安装底板的传感器部件安装调整槽中，在槽内调整传感器部件与被测试样之间的的距离，用螺纹固定传感器部件；弹簧定位部件安装在安装底板上，调整弹簧定位部件的位置，使得试管安装与旋转机构旋转时，待测试管定位在传感器部件中心轴线上。(6) The mounting base plate is made of black materials such as black POM or black nylon. The installation base plate has a rotating shaft hole, a light source part installation adjustment groove, a sensor part installation adjustment groove, etc.; the sample installation and the rotating shaft of the rotating part are installed in the rotating shaft hole of the installation base plate; the light source part is installed on the installation base plate. The light source part installation adjustment In the groove, after adjusting the distance between the light source and the sample in the adjustment groove, fix the light source part with the thread; the sensor part is installed in the sensor part installation and adjustment groove of the installation base plate, and the sensor part and the tested sample are adjusted in the groove. The distance between the sensor components is fixed with threads; the spring positioning components are installed on the installation base plate, and the position of the spring positioning components is adjusted so that when the test tube is installed and the rotating mechanism rotates, the tube to be tested is positioned on the central axis of the sensor component.
(7)上盖板由黑色POM或黑色尼龙材料制作。在上盖板上开一个与试样安装与旋转部件的试样安装圆盘直径相匹配的圆孔，该圆孔与安装底板的旋转轴孔同心，试样安装与旋转部件做切换试样的旋转运动时，试样安装与旋转部件、试样安装圆盘在该孔中旋转运动。(7) The upper cover is made of black POM or black nylon material. On the upper cover plate, open a circular hole that matches the diameter of the sample installation disk of the sample installation and the rotating part. The circular hole is concentric with the rotating shaft hole of the installation bottom plate. When rotating, the sample mounting and rotating parts and the sample mounting disk rotate in the hole.
(8)测量装置除安装底板、上盖板板外，其余四面用黑色POM薄板封闭形成暗室。(8) Except for the bottom plate and the upper cover plate, the other four sides of the measuring device are closed with black POM sheets to form a dark room.
(9)将6个已知浓度的溶胶液、2个待测浓度的溶胶液装入玻璃试管，试管放入试样安装与旋转部件中试管安装圆盘的试样安装孔中，开启光源，旋转试管安装与旋转机构，弹簧定位部件实现旋转定位，在每一个定位点拍摄数字图像。(9) Put 6 sol solutions of known concentration and 2 sol solutions of concentration to be tested into glass test tubes, put the test tubes into the sample installation holes of the test tube installation disc in the sample installation and rotating parts, turn on the light source, The rotating test tube is installed and rotated, and the spring positioning part realizes the rotating positioning, and digital images are taken at each positioning point.
附图说明Description of drawings
图1为装置总体结构俯视图Figure 1 is a top view of the overall structure of the device
图2光源与传感器的位置示意图Figure 2 Schematic diagram of the position of the light source and the sensor
图3旋转部件侧视图(左)和俯视图(右)Figure 3 Side view (left) and top view (right) of rotating parts
图中①光源部件②图像传感器部件③试管底支承圆盘④支撑柱⑤安装底板⑥调整槽⑦弹簧定位部件⑧旋转部件In the figure ① light source part ② image sensor part ③ test tube bottom support disc ④ support column ⑤ mounting base plate ⑥ adjustment groove ⑦ spring positioning part ⑧ rotating part
具体实施方式Detailed ways
实施例1：Example 1:
(1)便携式测量装置包括可旋转的试样安装与旋转部件、安装底板、光源部件、图像传感器部件、弹簧定位部件、上盖板、侧盖板等组成。(1) The portable measuring device consists of a rotatable sample mounting and rotating part, a mounting base plate, a light source part, an image sensor part, a spring positioning part, an upper cover plate, a side cover plate, etc.
(2)试样安装与旋转部件由试管安装圆盘、试管底支撑圆盘、旋转轴等组成。试管安装圆盘直径为110mm,在靠近外径直径为90mm的圆周上均匀分布8个直通的直径为12mm的试管安装圆孔，在圆盘中心开直径为10mm旋转轴安装孔；试管底支承圆盘支撑试管底部，在圆盘中心开直径为20mm旋转轴安装孔。旋转轴由尼龙或POM材料制作，上部具有固定试管安装圆盘的法兰台阶，台阶上部轴的直径为10mm，台阶下部轴的直径为20mm，最下端具有长度为10mm直径为16mm的台阶轴，这个16mm直径的轴安装在安装底板旋转轴孔中。旋转轴穿过试管安装圆盘和试管底支撑圆盘的旋转轴安装孔，利用螺纹将试管安装圆盘和试管底支撑圆盘固定在旋转轴的法兰台阶上，两个圆盘之间的间距调整为20mm。(2) The sample installation and rotation parts are composed of the test tube installation disc, the test tube bottom support disc, and the rotating shaft. The diameter of the test tube installation disc is 110mm, and 8 straight test tube installation holes with a diameter of 12mm are evenly distributed on the circumference near the outer diameter of 90mm, and a rotating shaft installation hole with a diameter of 10mm is opened in the center of the disc; the support circle at the bottom of the test tube The disk supports the bottom of the test tube, and a 20mm diameter rotating shaft installation hole is opened in the center of the disk. The rotating shaft is made of nylon or POM material. The upper part has a flange step for fixing the test tube installation disc. The diameter of the upper shaft of the step is 10mm, the diameter of the lower shaft of the step is 20mm, and the lowermost end has a step shaft with a length of 10mm and a diameter of 16mm. This 16mm diameter shaft fits into the mounting base plate's swivel shaft hole. The rotating shaft passes through the installation hole of the rotating shaft of the test tube installation disc and the test tube bottom support disc, and the test tube installation disc and the test tube bottom support disc are fixed on the flange steps of the rotating shaft by threads, and the space between the two discs is fixed. The spacing is adjusted to 20mm.
(3)光源部件由光源和光源固定支架组成，光源使用红色或绿色激光光源。光源安装支架由黑色POM材料制作，并作打毛处理减小光的反射，光源安装在光源固定支架，光源固定支架能够在安装底板的光源安装调整槽中调整位置并用螺纹固定。(3) The light source part consists of a light source and a light source fixing bracket, and the light source uses a red or green laser light source. The light source mounting bracket is made of black POM material, and is roughened to reduce the reflection of light. The light source is installed on the light source fixing bracket. The light source fixing bracket can be adjusted in the light source installation adjustment groove of the mounting base plate and fixed with threads.
(4)图像传感器部件由数字图像传感器和传感器固定支架组成，传感器固定支架由黑色POM材料制作并作打毛处理减小光的反射。数字图像传感器安装在传感器固定支架上上，传感器固定支架能够在安装底板的传感器安装调整槽中调整位置并用螺纹固定。(4) The image sensor part is composed of a digital image sensor and a sensor fixing bracket. The sensor fixing bracket is made of black POM material and roughened to reduce the reflection of light. The digital image sensor is installed on the sensor fixing bracket, and the sensor fixing bracket can adjust the position in the sensor installation adjustment groove of the installation base plate and be fixed with threads.
(5)弹簧定位部件由弹簧定位珠和定位珠固定支架组成，弹簧定位珠的珠径为4mm，弹簧定位珠安装在定位珠固定支架上，定位珠固定支架安装在安装底板上。(5) The spring positioning part is composed of a spring positioning bead and a positioning bead fixing bracket. The diameter of the spring positioning bead is 4mm. The spring positioning bead is installed on the positioning bead fixing bracket, and the positioning bead fixing bracket is installed on the installation base plate.
(6)安装底板由8mm厚黑色POM材料制作。安装底板具有直径为16mm的旋转轴孔、30mm宽3mm深长度为60mm的光源部件安装调整槽、60mm宽3mm长度为40mm的传感器部件安装调整槽，光源安装调整槽与传感器部件安装调整槽成90度夹角。试样安装与旋转部件的旋转轴底部直径为16mm的轴安装在安装底板的旋转轴孔中；光源部件安装在安装底板的光源部件安装调整槽中，在调整槽内调整好光源与试样之间的距离后，用螺纹固定光源部件；传感器部件安装在安装底板的传感器部件安装调整槽中，在在调整槽内调整传感器部件与被测试样之间的的距离，用螺纹固定传感器部件；弹簧定位部件安装在安装底板上，调整弹簧定位部件的位置，使得试管安装与旋转机构旋转时，待测试管定位在传感器部件中心轴线上(6) The mounting base plate is made of 8mm thick black POM material. The mounting base plate has a rotating shaft hole with a diameter of 16mm, a light source component installation adjustment slot with a diameter of 30mm, a width of 3mm, a depth of 60mm, and a sensor component installation adjustment slot with a width of 60mm, 3mm and a length of 40mm. angle. The sample mounting and rotating parts of the rotating shaft with a diameter of 16mm at the bottom are installed in the rotating shaft hole of the mounting base plate; the light source part is installed in the light source part installation adjustment groove of the mounting base plate, and the light source and the sample are adjusted in the adjustment groove. After the distance between the sensor components and the sample to be tested, fix the light source components with threads; the sensor components are installed in the sensor component installation adjustment grooves of the mounting base plate, adjust the distance between the sensor components and the tested sample in the adjustment grooves, and fix the sensor components with threads; springs The positioning part is installed on the installation base plate, and the position of the spring positioning part is adjusted so that when the test tube is installed and the rotating mechanism rotates, the tube to be tested is positioned on the central axis of the sensor part
(7)上盖板由黑色POM或黑色尼龙材料制作。在上盖板上开一个与试样安装与旋转部件的试样安装圆盘直径为110mm+0.2mm的圆孔，该圆孔与安装底板的旋转轴孔同心，试样安装与旋转部件做切换试样的旋转运动时，试样安装与旋转部件、试样安装圆盘在该孔中旋转运动。(7) The upper cover is made of black POM or black nylon material. A circular hole with a diameter of 110mm+0.2mm is opened on the upper cover plate with the specimen mounting disc of the specimen mounting and rotating parts. The circular hole is concentric with the rotating shaft hole of the mounting base plate, and the specimen mounting and rotating parts are switched. When the sample rotates, the sample mounting and rotating parts and the sample mounting disk rotate in the hole.
(8)测量装置除安装底板、上盖板板外，其余四面用黑色厚度为2mm的POM薄板封闭形成暗室。(8) Except for the bottom plate and the upper cover plate, the other four sides of the measuring device are closed with a black POM sheet with a thickness of 2mm to form a dark room.
(9)6个参考溶胶液浓度选择为0.5518×10-5g/ml、0.8277×10-5g/ml、1.3795×10-5g/ml、2.2.72×10-5g/ml、2.759×10-5g/ml、3.3108×10-5g/ml、3.8626×10-5g/ml、4.6903×10-5g/ml。将6个已知的参考液和2个待测溶胶液体分别装入玻璃试管，试管放入试管安装与旋转机构中试管固定圆盘的试管安装圆孔中，开启光源，旋转试管安装与旋转机构，弹簧定位机构的每一个定位点上顺序拍摄数字图像。(9) The concentrations of the six reference sol solutions are selected as 0.5518×10-5 g/ml, 0.8277×10-5 g/ml, 1.3795×10-5 g/ml, 2.2.72×10-5 g/ml, 2.759 ×10-5 g/ml, 3.3108 × 10-5 g/ml, 3.8626 × 10-5 g/ml, 4.6903 × 10-5 g/ml. Put 6 known reference liquids and 2 sol liquids to be tested into glass test tubes respectively, put the test tubes into the test tube installation round holes of the test tube fixing disc in the test tube installation and rotation mechanism, turn on the light source, and rotate the test tube installation and rotation mechanism , digital images are taken sequentially on each positioning point of the spring positioning mechanism.
以上所述仅是本发明的一个具体实施例，但本发明不仅限于此例。The above description is only a specific embodiment of the present invention, but the present invention is not limited to this example.
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