CN104818522B - A kind of diameter adjustable liquid bridge maker - Google Patents
A kind of diameter adjustable liquid bridge maker Download PDFInfo
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Abstract
一种直径可调式液桥生成器，属于晶体材料制备技术领域。本发明包括支撑架，在支撑架的上部具有上液桥支撑柱安装孔，下部具有下液桥支撑柱安装孔；在上液桥支撑柱安装孔内垂直安装有上液桥支撑柱，在下液桥支撑柱安装孔内垂直安装有下液桥支撑柱，所述上液桥支撑柱与下液桥支撑柱相对应，在上液桥支撑柱安装孔侧方的支撑架上设置有上液桥支撑柱的紧固螺栓；上液桥支撑柱卡帽固定在上液桥支撑柱中杆的上端，上液桥支撑柱上盘通过螺纹设置在上液桥支撑柱中杆的下端；下液桥支撑柱下杆通过下液桥支撑柱卡环与下液桥支撑柱中杆的下端固定连接，下液桥支撑柱中杆的上端与下液桥支撑柱下盘通过螺纹相连接。
A diameter-adjustable liquid bridge generator belongs to the technical field of crystal material preparation. The invention comprises a support frame, the upper part of the support frame has an upper liquid bridge support column installation hole, the lower part has a lower liquid bridge support column installation hole; the upper liquid bridge support column is vertically installed in the upper liquid bridge support column installation hole, and the lower liquid bridge support column The lower liquid bridge support column is vertically installed in the bridge support column installation hole, the upper liquid bridge support column corresponds to the lower liquid bridge support column, and the upper liquid bridge support column is arranged on the support frame on the side of the upper liquid bridge support column installation hole. The fastening bolts of the supporting column; the cap of the supporting column of the upper liquid bridge is fixed on the upper end of the middle rod of the supporting column of the upper liquid bridge; The lower rod of the supporting column is fixedly connected with the lower end of the middle rod of the lower liquid bridge supporting column through the snap ring of the lower liquid bridge supporting column, and the upper end of the middle rod of the lower liquid bridge supporting column is connected with the lower plate of the lower liquid bridge supporting column through threads.
Description
技术领域technical field
本发明属于晶体材料制备技术领域，特别是涉及一种直径可调式液桥生成器。The invention belongs to the technical field of crystal material preparation, in particular to a diameter-adjustable liquid bridge generator.
背景技术Background technique
浮区法是一种广泛应用的制备晶体材料的方法，七十年代中叶以来，世界各国学者利用液桥装置，对浮区晶体生长过程中的流体物理方程过程进行了大量研究。研究采用的传统液桥生成装置结构复杂、功能单一，特别是液桥直径不可改变。实验中如需调整液桥直径，必须更换整个液桥生成器，这样不仅增加了实验成本，而且也浪费时间，使实验过程复杂化。The floating zone method is a widely used method for preparing crystal materials. Since the mid-1970s, scholars from all over the world have used liquid bridge devices to conduct a lot of research on the fluid physics equation process in the process of crystal growth in the floating zone. The traditional liquid bridge generating device used in the research has complex structure and single function, especially the diameter of the liquid bridge cannot be changed. If the diameter of the liquid bridge needs to be adjusted during the experiment, the entire liquid bridge generator must be replaced, which not only increases the cost of the experiment, but also wastes time and complicates the experiment process.
发明内容Contents of the invention
针对现有技术存在的问题，本发明提供一种可以改变液桥直径和高度的直径可调式液桥生成器。改变液桥直径通过更换不同直径的上液桥支撑柱上盘和下液桥支撑柱下盘来实现，改变液桥高度通过调节上液桥支撑柱的高度来实现。Aiming at the problems existing in the prior art, the present invention provides a diameter-adjustable liquid bridge generator capable of changing the diameter and height of the liquid bridge. Changing the diameter of the liquid bridge is achieved by replacing the upper plate of the upper liquid bridge support column and the lower plate of the lower liquid bridge support column with different diameters, and changing the height of the liquid bridge is achieved by adjusting the height of the upper liquid bridge support column.
为了实现上述目的，本发明采用如下技术方案：一种直径可调式液桥生成器，包括支撑架，在支撑架的上部具有上液桥支撑柱安装孔，下部具有下液桥支撑柱安装孔；在上液桥支撑柱安装孔内垂直安装有上液桥支撑柱，在下液桥支撑柱安装孔内垂直安装有下液桥支撑柱，所述上液桥支撑柱与下液桥支撑柱相对应，在上液桥支撑柱安装孔侧方的支撑架上设置有上液桥支撑柱的紧固螺栓；所述上液桥支撑柱包括上液桥支撑柱卡帽、上液桥支撑柱中杆及若干个直径不同的上液桥支撑柱上盘，所述上液桥支撑柱卡帽固定在上液桥支撑柱中杆的上端，上液桥支撑柱上盘通过螺纹设置在上液桥支撑柱中杆的下端；所述下液桥支撑柱包括下液桥支撑柱下杆、下液桥支撑柱中杆、下液桥支撑柱卡环及若干个直径不同的下液桥支撑柱下盘，所述下液桥支撑柱下杆通过下液桥支撑柱卡环与下液桥支撑柱中杆的下端固定连接，下液桥支撑柱中杆的上端与下液桥支撑柱下盘通过螺纹相连接。In order to achieve the above object, the present invention adopts the following technical solutions: a diameter-adjustable liquid bridge generator, including a support frame, the upper part of the support frame has a mounting hole for the upper liquid bridge support column, and the lower part has a mounting hole for the lower liquid bridge support column; An upper liquid bridge support column is vertically installed in the mounting hole of the upper liquid bridge support column, and a lower liquid bridge support column is vertically installed in the installation hole of the lower liquid bridge support column, and the upper liquid bridge support column corresponds to the lower liquid bridge support column , on the support frame on the side of the mounting hole of the upper liquid bridge support column, the fastening bolts of the upper liquid bridge support column are arranged; the upper liquid bridge support column includes the upper liquid bridge support column cap, the upper liquid bridge support column middle rod and several upper plates of the upper liquid bridge support column with different diameters, the upper liquid bridge support column cap is fixed on the upper end of the middle rod of the upper liquid bridge support column, and the upper plate of the upper liquid bridge support column is set on the upper liquid bridge support by threads The lower end of the column center rod; the lower liquid bridge support column includes the lower liquid bridge support column lower rod, the lower liquid bridge support column middle rod, the lower liquid bridge support column snap ring and several lower liquid bridge support column lower plates with different diameters , the lower rod of the lower liquid bridge support column is fixedly connected with the lower end of the middle rod of the lower liquid bridge support column through the lower liquid bridge support column snap ring, and the upper end of the lower liquid bridge support column middle rod and the lower plate of the lower liquid bridge support column are threaded connected.
所述上液桥支撑柱上盘设置有外螺纹，上液桥支撑柱中杆设置有内螺纹。The upper plate of the support column of the upper liquid bridge is provided with external threads, and the middle rod of the support column of the upper liquid bridge is provided with internal threads.
所述下液桥支撑柱下盘设置有外螺纹，下液桥支撑柱中杆设置有内螺纹。The lower wall of the supporting column of the lower liquid bridge is provided with external threads, and the middle rod of the supporting column of the lower liquid bridge is provided with internal threads.
本发明的有益效果：Beneficial effects of the present invention:
1、与现有技术相比，本发明的液桥生成器在液桥实验中改变液桥直径时，只需更换上液桥支撑柱上盘和下液桥支撑柱下盘即可，而不必更换整个液桥生成器，既节省实验成本和时间，也使实验过程大大简化；1. Compared with the prior art, when the liquid bridge generator of the present invention changes the diameter of the liquid bridge in the liquid bridge experiment, it only needs to replace the upper plate of the upper liquid bridge support column and the lower plate of the lower liquid bridge support column, without having to Replacing the entire liquid bridge generator not only saves experimental cost and time, but also greatly simplifies the experimental process;
2、本发明的上液桥支撑柱上盘和下液桥支撑柱下盘的外螺纹易于加工，更换方便；2. The external threads of the upper plate of the upper liquid bridge support column and the lower plate of the lower liquid bridge support column of the present invention are easy to process and easy to replace;
3、本发明上、下移动上液桥支撑柱位置并用紧固螺栓固定，可以调节液桥高度，操作方便；3. The present invention moves the position of the support column of the upper liquid bridge up and down and fixes it with fastening bolts, which can adjust the height of the liquid bridge and is easy to operate;
4、本发明对利用液桥实验装置研究浮区晶体生长过程具有重要意义。4. The present invention is of great significance to the study of the crystal growth process in the floating zone by using the liquid bridge experimental device.
附图说明Description of drawings
图1是本发明的液桥生成器的结构示意图；Fig. 1 is the structural representation of liquid bridge generator of the present invention;
图2是图1中上液桥支撑柱的结构示意图；Fig. 2 is a structural schematic diagram of the support column of the upper liquid bridge in Fig. 1;
图3是图1中下液桥支撑柱的结构示意图；Fig. 3 is a schematic structural view of the supporting column of the lower liquid bridge in Fig. 1;
图中：1--紧固螺栓，2--上液桥支撑柱，3--下液桥支撑柱，4-支撑架，5--下液桥支撑柱下杆，6--下液桥支撑柱卡环，7--下液桥支撑柱中杆，8-螺纹，9--下液桥支撑柱下盘，10--上液桥支撑柱卡帽，11--上液桥支撑柱中杆，12--上液桥支撑柱上盘。In the figure: 1—fastening bolts, 2—upper liquid bridge support column, 3—lower liquid bridge support column, 4—support frame, 5—lower liquid bridge support column lower rod, 6—lower liquid bridge Supporting column clasp, 7--middle rod of the lower liquid bridge supporting column, 8-thread, 9--bottom plate of the lower liquid bridge supporting column, 10--cap of the upper liquid bridge supporting column, 11--upper liquid bridge supporting column Middle rod, 12--the upper plate of the support column of the upper liquid bridge.
具体实施方式detailed description
下面结合附图和具体实施例对本发明做进一步的详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1～图3所示，一种直径可调式液桥生成器，包括支撑架4，在支撑架4的上部具有上液桥支撑柱安装孔，下部具有下液桥支撑柱安装孔，所述上液桥支撑柱安装孔和下液桥支撑柱安装孔设置在一条直线上；在上液桥支撑柱安装孔内垂直安装有上液桥支撑柱2，在下液桥支撑柱安装孔内垂直安装有下液桥支撑柱3，所述上液桥支撑柱2与下液桥支撑柱3相对应，在上液桥支撑柱安装孔侧方的支撑架4上设置有上液桥支撑柱2的紧固螺栓1；所述上液桥支撑柱2包括上液桥支撑柱卡帽10、上液桥支撑柱中杆11及若干个直径不同的上液桥支撑柱上盘12，所述上液桥支撑柱卡帽10固定在上液桥支撑柱中杆11的上端，上液桥支撑柱上盘12通过螺纹8设置在上液桥支撑柱中杆11的下端，上液桥支撑柱卡帽10能够将上液桥支撑柱2卡在支撑架4上，防止上液桥支撑柱2从支撑架4上掉落；所述下液桥支撑柱3包括下液桥支撑柱下杆5、下液桥支撑柱中杆7、下液桥支撑柱卡环6及若干个直径不同的下液桥支撑柱下盘9，所述下液桥支撑柱下杆5通过下液桥支撑柱卡环6与下液桥支撑柱中杆7的下端固定连接，下液桥支撑柱中杆7的上端与下液桥支撑柱下盘9通过螺纹8相连接；下液桥支撑柱下杆5的下端穿过下液桥支撑柱安装孔设置在下液桥支撑柱安装孔的下方，下液桥支撑柱卡环6将下液桥支撑柱3卡在支撑架4上。As shown in Figures 1 to 3, a diameter-adjustable liquid bridge generator includes a support frame 4. The upper part of the support frame 4 has an installation hole for the upper liquid bridge support column, and the lower part has an installation hole for the lower liquid bridge support column. The installation holes of the upper liquid bridge support column and the installation holes of the lower liquid bridge support column are arranged on a straight line; the upper liquid bridge support column 2 is vertically installed in the installation hole of the upper liquid bridge support column, and the upper liquid bridge support column 2 is vertically installed in the installation hole of the lower liquid bridge support column. The lower liquid bridge support column 3 is installed, the upper liquid bridge support column 2 corresponds to the lower liquid bridge support column 3, and the upper liquid bridge support column 2 is arranged on the support frame 4 on the side of the mounting hole of the upper liquid bridge support column. The fastening bolt 1 of the upper liquid bridge support column 2 includes the upper liquid bridge support column cap 10, the upper liquid bridge support column middle rod 11 and several upper liquid bridge support column upper plates 12 with different diameters. The liquid bridge support column cap 10 is fixed on the upper end of the upper liquid bridge support column middle rod 11, the upper liquid bridge support column upper plate 12 is arranged on the lower end of the upper liquid bridge support column middle rod 11 through the thread 8, and the upper liquid bridge support column clamps The cap 10 can clamp the upper liquid bridge support column 2 on the support frame 4 to prevent the upper liquid bridge support column 2 from falling from the support frame 4; the lower liquid bridge support column 3 includes the lower liquid bridge support column lower rod 5, The lower rod 7 of the lower liquid bridge support column, the lower liquid bridge support column snap ring 6 and several lower liquid bridge support column bottom plates 9 with different diameters, the lower liquid bridge support column lower rod 5 passes through the lower liquid bridge support column snap ring 6 is fixedly connected with the lower end of the middle rod 7 of the lower liquid bridge support column, and the upper end of the middle rod 7 of the lower liquid bridge support column is connected with the lower plate 9 of the lower liquid bridge support column through the thread 8; the lower end of the lower rod 5 of the lower liquid bridge support column Through the installation hole of the lower liquid bridge support column, it is arranged below the installation hole of the lower liquid bridge support column. The lower liquid bridge support column snap ring 6 clamps the lower liquid bridge support column 3 on the support frame 4 .
所述上液桥支撑柱上盘12设置有外螺纹，上液桥支撑柱中杆11设置有内螺纹；所述下液桥支撑柱下盘9设置有外螺纹，下液桥支撑柱中杆7设置有内螺纹。The upper plate 12 of the upper liquid bridge support column is provided with external threads, the middle rod 11 of the upper liquid bridge support column is provided with internal threads; the lower plate 9 of the lower liquid bridge support column is provided with external threads, and the middle rod of the lower liquid bridge support column 7 is provided with internal thread.
本发明的上液桥支撑柱上盘12和下液桥支撑柱下盘9采用的是同一材质，且配套设置，即同一实验中，它们使用的是同种直径规格，从而形成不同规格的液桥圆盘，注入实验流体后生成直径各不相同的液桥。本实施例中，所述上液桥支撑柱上盘12设置为两个，其直径分别为8cm和10cm；所述下液桥支撑柱下盘9设置为两个，其直径分别为8cm和10cm，其它合理值均可。The upper plate 12 of the upper liquid bridge support column and the lower plate 9 of the lower liquid bridge support column of the present invention are made of the same material, and they are matched with each other. The bridge disc, after injecting the experimental fluid, forms a liquid bridge with different diameters. In this embodiment, there are two upper plates 12 of the upper liquid bridge support column, with diameters of 8 cm and 10 cm respectively; two lower plates 9 of the lower liquid bridge support column, with diameters of 8 cm and 10 cm respectively , and other reasonable values are acceptable.
本发明的液桥生成器在实验过程中，所采用的辅助设备有高相素照相机、背光灯及闪光板，三者需要将中心位置调节到同一高度，以避免影响高相素照相机采集到的液桥位型形状的精度。In the experimental process of the liquid bridge generator of the present invention, the auxiliary equipment adopted includes a high-resolution camera, a backlight and a flash board, and the center position of the three needs to be adjusted to the same height, so as to avoid affecting the liquid bridge position pattern collected by the high-resolution camera. shape precision.
本发明的上液桥支撑柱上盘12与下液桥支撑柱下盘9之间注入实验流体后，生成不同高度的液桥，用游标卡尺测量液桥高度；上液桥支撑柱上盘12与下液桥支撑柱下盘9之间实验流体的高度称为液桥高度，地面实验中的液桥高度一般在数毫米之间。液桥径高比A＝液桥高度/液桥直径，可以用来描述液桥位型，不同直径和高度的液桥位型存在明显差异，对液桥内物理现象具有重大影响。After the experimental fluid is injected between the upper plate 12 of the upper liquid bridge support column of the present invention and the lower plate 9 of the lower liquid bridge support column, liquid bridges of different heights are generated, and the height of the liquid bridge is measured with a vernier caliper; The height of the test fluid between the lower plate 9 of the lower liquid bridge support column is called the liquid bridge height, and the liquid bridge height in the ground test is generally between several millimeters. The liquid bridge diameter-to-height ratio A=liquid bridge height/liquid bridge diameter can be used to describe the liquid bridge position type. There are obvious differences in liquid bridge position types with different diameters and heights, which have a significant impact on the physical phenomena in the liquid bridge.
利用本发明的液桥生成器可以完成多种实验，举例如下：Utilize liquid bridge generator of the present invention to be able to complete multiple experiments, for example as follows:
液桥径高比A＝液桥高度/液桥直径，它是研究液桥位型的重要物理量。Liquid bridge diameter-to-height ratio A=liquid bridge height/liquid bridge diameter, which is an important physical quantity for studying liquid bridge position type.
实验研究方案一：Experimental research plan one:
液桥高度为恒定值，改变液桥直径，研究不同直径对液桥外部轮廓的影响。The height of the liquid bridge is a constant value, and the diameter of the liquid bridge is changed to study the influence of different diameters on the external profile of the liquid bridge.
如图1所示，将本发明的上液桥支撑柱2通过紧固螺栓1固定在支撑架4上，以使液桥高度为恒定值；更换不同直径的上液桥支撑柱上盘12和下液桥支撑柱下盘9，从而改变液桥直径。As shown in Figure 1, the upper liquid bridge support column 2 of the present invention is fixed on the support frame 4 by fastening bolt 1, so that the height of the liquid bridge is a constant value; the upper plate 12 and the upper liquid bridge support column of different diameters are replaced. The lower liquid bridge supports the column lower plate 9, thereby changing the diameter of the liquid bridge.
实验研究方案二：Experimental research plan two:
液桥直径为恒定值，改变液桥高度，研究不同高度对液桥外部轮廓的影响。The diameter of the liquid bridge is a constant value, and the height of the liquid bridge is changed to study the influence of different heights on the external profile of the liquid bridge.
如图1所示，将选定的上液桥支撑柱上盘12安装在上液桥支撑柱中杆11的下端，将选定的下液桥支撑柱下盘9安装在下液桥支撑柱中杆7的上端，以使液桥直径为恒定值；调节上液桥支撑柱2的高度，从而改变液桥高度。As shown in Figure 1, install the selected upper plate 12 of the upper liquid bridge support column on the lower end of the middle rod 11 of the upper liquid bridge support column, and install the selected lower plate 9 of the lower liquid bridge support column in the lower liquid bridge support column The upper end of the rod 7, so that the diameter of the liquid bridge is a constant value; adjust the height of the upper liquid bridge support column 2, thereby changing the height of the liquid bridge.
实验研究方案三：Experimental research plan three:
液桥高度为恒定值，研究不同直径下柱状液桥体积与实际注入液体之间的关系。The height of the liquid bridge is a constant value, and the relationship between the volume of the columnar liquid bridge and the actual injected liquid is studied under different diameters.
液桥直径为恒定值，研究不同高度下柱状液桥体积与实际注入液体之间的关系。The diameter of the liquid bridge is a constant value, and the relationship between the volume of the columnar liquid bridge at different heights and the actual injected liquid is studied.
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| CN106940948B (en) * | 2017-05-09 | 2022-09-20 | 临沂大学 | Liquid bridge experimental device with variable height-diameter ratio and application thereof |
| CN106987896B (en) * | 2017-05-09 | 2023-03-10 | 临沂大学 | A Solute Concentration Capillary Convection Liquid Bridge Generator and Its Application |
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| CN1865917A (en) * | 2006-05-18 | 2006-11-22 | 宋四海 | Measuring analyzer for dynamic characteristics of liquid surface and interface based on high speed image processing |
| CN103940703A (en) * | 2014-03-07 | 2014-07-23 | 浙江大学 | Precise observation apparatus for rapid liquid bridge separation between parallel plates |
| CN204738041U (en) * | 2015-05-21 | 2015-11-04 | 东北大学 | Liquid bridge generater with adjustable diameter |
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|---|---|
| CN104818522A (en) | 2015-08-05 |
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