CN115866409B - Explosion shock wave and oil gas coupling explosion test device - Google Patents
Explosion shock wave and oil gas coupling explosion test device Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000004880 explosion Methods 0.000 title claims abstract description 42
- 230000035939 shock Effects 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 title 1
- 238000010168 coupling process Methods 0.000 title 1
- 238000005859 coupling reaction Methods 0.000 title 1
- 239000002360 explosive Substances 0.000 claims abstract description 7
- 239000003595 mist Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004088 simulation Methods 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000013480 data collection Methods 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
本发明涉及炸药与油气爆炸试验中图像采集技术领域，具体为一种爆炸激波与油气耦合爆炸试验测试装置，混合内腔的上下两端贯穿设置有观察窗，所述观察窗的上下两端设置有纹影系统，有益效果为：通过在现有模拟试验中增加纹影系统，利用光源对上放面镜的照射，从而提供光照，配合下放面镜，将从观察窗中穿过的爆炸波进行成像，利用高速摄像机进行图像采集，从而避免在管道内进行采集，大大提高了数据采集的便捷性和对设备的保护，进而便于对火焰穿过观察窗往前移动路径进行研究。
The invention relates to the technical field of image acquisition in explosive and oil and gas explosion tests, and specifically to a test device for explosion shock wave and oil and gas coupled explosion test, wherein observation windows are provided through the upper and lower ends of a mixing inner cavity, and a schlieren system is provided at the upper and lower ends of the observation window, and the beneficial effects are as follows: by adding the schlieren system to the existing simulation test, a light source is used to illuminate an upper mirror, thereby providing illumination, and in conjunction with a lower mirror, an explosion wave passing through the observation window is imaged, and a high-speed camera is used to acquire images, thereby avoiding acquisition in a pipeline, greatly improving the convenience of data acquisition and the protection of equipment, and further facilitating the study of the path of a flame moving forward through the observation window.
Description
技术领域Technical Field
本发明涉及炸药与油气爆炸试验中图像采集技术领域，具体为一种爆炸激波与油气耦合爆炸试验测试装置。The invention relates to the technical field of image acquisition in explosive and oil and gas explosion tests, in particular to an explosion shock wave and oil and gas coupled explosion test test device.
背景技术Background Art
为了提高管道中油气运输的安全性，需要对油气运输管道爆炸后的情况进行模拟试验，现有的试验方法多为炸药引爆，利用传感器进行爆炸后压力、光电等数据的采集。In order to improve the safety of oil and gas transportation in pipelines, it is necessary to conduct simulation tests on the conditions after an explosion in the oil and gas transportation pipeline. Existing test methods mostly use explosive detonation and sensors to collect pressure, photoelectric and other data after the explosion.
在进行炸药爆炸产生的激波引燃油气混合气体的试验中，爆炸产生的冲击波和气浪等在管道内产生，传感器只能进行数据上的采集，无法清晰的观测具体情况，且由于爆炸的传导，难以实现从管道内进行图像的采集，从而导致难以对试验过程中具体的情况进行充分的数据采集。In the test of the shock wave generated by the explosion of explosives igniting the oil and gas mixture, the shock wave and air wave generated by the explosion are generated in the pipeline. The sensor can only collect data and cannot clearly observe the specific situation. Due to the conduction of the explosion, it is difficult to collect images from the pipeline, which makes it difficult to fully collect data on the specific situation during the test.
发明内容Summary of the invention
本发明的目的在于提供一种爆炸激波与油气耦合爆炸试验测试装置，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a test device for explosion shock wave and oil-gas coupled explosion test to solve the problems raised in the above background technology.
为实现上述目的，本发明提供如下技术方案：To achieve the above object, the present invention provides the following technical solutions:
一种爆炸激波与油气耦合爆炸试验测试装置，包括用于爆炸激波与油气耦合爆炸试验的试验工装，所述试验工装中设置有填装炸药的填装内腔和填充油气的混合内腔，所述填装内腔与混合内腔之间通过膜片分隔，所述混合内腔的上下两端贯穿设置有观察窗，所述观察窗的上下两端设置有纹影系统，所述纹影系统包括：A test device for an explosion shock wave and oil-gas coupled explosion test, comprising a test fixture for an explosion shock wave and oil-gas coupled explosion test, wherein a filling inner cavity filled with explosives and a mixing inner cavity filled with oil and gas are arranged in the test fixture, wherein the filling inner cavity and the mixing inner cavity are separated by a diaphragm, wherein observation windows are arranged at the upper and lower ends of the mixing inner cavity, wherein a schlieren system is arranged at the upper and lower ends of the observation window, wherein the schlieren system comprises:
上安装板，所述上安装板上转动安装有位于观察窗正上方的上放面镜，上安装板的一侧下端设置有正对上放面镜的光源；An upper mounting plate, on which an upper mirror located directly above the observation window is rotatably mounted, and a light source facing the upper mirror is disposed at a lower end of one side of the upper mounting plate;
下安装板，所述下安装板上转动安装有位于观察窗正下方的下放面镜，下放面镜的上端正对上放面镜，下放面镜的右侧设置有采集爆炸风波的摄像头。A lower mounting plate is rotatably mounted with a lower mirror located just below the observation window, the upper end of the lower mirror is directly opposite to the upper mirror, and a camera for collecting explosion waves is arranged on the right side of the lower mirror.
优选的，所述混合内腔的一端连接油气罐和真空泵，混合内腔的另一端设置有防爆风扇。Preferably, one end of the mixing cavity is connected to the oil and gas tank and the vacuum pump, and the other end of the mixing cavity is provided with an explosion-proof fan.
优选的，所述混合内腔的内壁上设置有膜片，混合内腔的上外壁分别设置有线性分布的多组压力传感器，试验工装上位于填装内腔与膜片之间设置有多组压力传感器。Preferably, a diaphragm is provided on the inner wall of the mixing cavity, a plurality of groups of pressure sensors distributed linearly are provided on the upper and outer walls of the mixing cavity, and a plurality of groups of pressure sensors are provided on the test tooling between the filling cavity and the diaphragm.
优选的，所述上安装板上竖直设置有伸缩柱，所述伸缩柱的下端固定在试验工装的上端，伸缩柱的上端端部固定在上安装板的后侧外壁，上安装板上设置有内嵌式的连接柱，伸缩柱的端部固定在连接柱上。Preferably, a telescopic column is vertically arranged on the upper mounting plate, the lower end of the telescopic column is fixed to the upper end of the test fixture, the upper end of the telescopic column is fixed to the rear outer wall of the upper mounting plate, and an embedded connecting column is arranged on the upper mounting plate, and the end of the telescopic column is fixed on the connecting column.
优选的，所述上安装板和下安装板上均设置有第一转轴，所述下放面镜和上放面镜分别安装在第一转轴上。Preferably, the upper mounting plate and the lower mounting plate are both provided with a first rotating shaft, and the lower mirror and the upper mirror are respectively mounted on the first rotating shaft.
优选的，所述上安装板和下安装板的外壁上与第一转轴对应的位置设置有圆环状的角度表，下放面镜和上放面镜的外壁上设置有指向角度表的指针。Preferably, a circular angle gauge is provided on the outer walls of the upper mounting plate and the lower mounting plate at a position corresponding to the first rotating shaft, and a pointer pointing to the angle gauge is provided on the outer walls of the lower mirror and the upper mirror.
优选的，所述上安装板的另一侧设置有第二转轴，所述光源转动安装在第二转轴上，上安装板上设置有滑槽，所述滑槽沿第二转轴与第一转轴之间直线延伸，所述第二转轴的后端滑动安装在滑槽中。Preferably, a second rotating shaft is provided on the other side of the upper mounting plate, the light source is rotatably mounted on the second rotating shaft, a slide groove is provided on the upper mounting plate, the slide groove extends in a straight line between the second rotating shaft and the first rotating shaft, and the rear end of the second rotating shaft is slidably mounted in the slide groove.
优选的，所述下安装板的一侧设置有固定在试验工装下端外壁的立柱，下安装板的另一侧设置有延伸至观察窗外侧的弧板，所述弧板上设置有转槽，所述摄像头转动安装在转槽上，转槽和弧板的圆心与下安装板上第一转轴重合。Preferably, a column fixed to the outer wall of the lower end of the test tool is provided on one side of the lower mounting plate, and an arc plate extending to the outside of the observation window is provided on the other side of the lower mounting plate, and a rotating groove is provided on the arc plate, and the camera is rotatably mounted on the rotating groove, and the center of the rotating groove and the arc plate coincides with the first rotating axis on the lower mounting plate.
优选的，所述试验工装的下端与压力传感器对应的位置设置有多组光电传感器。Preferably, a plurality of groups of photoelectric sensors are arranged at positions at the lower end of the test fixture corresponding to the pressure sensor.
优选的，所述混合内腔中位于观察窗靠近防爆风扇的一侧设置有水雾系统，混合内腔的内壁上设置有加热器。Preferably, a water mist system is provided on the side of the observation window close to the explosion-proof fan in the mixing cavity, and a heater is provided on the inner wall of the mixing cavity.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the present invention has the following beneficial effects:
本发明通过在现有模拟试验中增加纹影系统，利用光源对上放面镜的照射，从而提供光照，配合下放面镜，将从观察窗中穿过的爆炸波进行成像，利用高速摄像机进行图像采集，从而避免在管道内进行采集，大大提高了数据采集的便捷性和对设备的保护，进而便于对火焰穿过观察窗往前移动路径进行研究。The present invention adds a schlieren system to the existing simulation test, uses a light source to illuminate the upper mirror to provide illumination, and cooperates with the lower mirror to image the explosion wave passing through the observation window. A high-speed camera is used to collect images, thereby avoiding collection in the pipeline, greatly improving the convenience of data collection and protection of equipment, and making it easier to study the path of the flame moving forward through the observation window.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明的试验结构示意图；Fig. 1 is a schematic diagram of the test structure of the present invention;
图2为本发明的上安装板结构示意图；FIG2 is a schematic diagram of the structure of an upper mounting plate of the present invention;
图3为本发明的纹影系统结构示意图；FIG3 is a schematic diagram of the structure of the Schlieren system of the present invention;
图4为本发明的下安装板结构示意图；FIG4 is a schematic diagram of the structure of the lower mounting plate of the present invention;
图5为本发明的上安装板立体结构示意图；FIG5 is a schematic diagram of the three-dimensional structure of the upper mounting plate of the present invention;
图6为本发明的下安装板立体结构示意图。FIG. 6 is a schematic diagram of the three-dimensional structure of the lower mounting plate of the present invention.
图中：1、试验工装；2、防爆风扇；3、填装内腔；4、膜片；5、混合内腔；6、真空泵；7、油气罐；8、上安装板；9、下安装板；10、压力传感器；11、加热器；12、光电传感器；13、水雾系统；14、观察窗；15、摄像头；16、下放面镜；17、光源；18、上放面镜；19、立柱；20、伸缩柱；21、弧板；22、转槽；23、角度表；24、指针；25、第一转轴；26、滑槽；27、连接柱；28、第二转轴。In the figure: 1. test tooling; 2. explosion-proof fan; 3. filling inner cavity; 4. diaphragm; 5. mixing inner cavity; 6. vacuum pump; 7. oil and gas tank; 8. upper mounting plate; 9. lower mounting plate; 10. pressure sensor; 11. heater; 12. photoelectric sensor; 13. water mist system; 14. observation window; 15. camera; 16. lower mirror; 17. light source; 18. upper mirror; 19. column; 20. telescopic column; 21. arc plate; 22. rotating groove; 23. angle meter; 24. pointer; 25. first rotating shaft; 26. slide groove; 27. connecting column; 28. second rotating shaft.
具体实施方式DETAILED DESCRIPTION
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
请参阅图1至图6，本发明提供一种技术方案：Please refer to Figures 1 to 6, the present invention provides a technical solution:
一种爆炸激波与油气耦合爆炸试验测试装置，包括用于爆炸激波与油气耦合爆炸试验的试验工装1，试验工装1中设置有填装炸药的填装内腔3和填充油气的混合内腔5，填装内腔3与混合内腔5之间通过膜片4分隔，形成模拟试验。A test device for an explosion shock wave and oil-gas coupled explosion test comprises a test fixture 1 for an explosion shock wave and oil-gas coupled explosion test. The test fixture 1 is provided with a filling inner cavity 3 filled with explosives and a mixing inner cavity 5 filled with oil and gas. The filling inner cavity 3 and the mixing inner cavity 5 are separated by a diaphragm 4 to form a simulation test.
混合内腔5的上下两端贯穿设置有观察窗14，通过设置观察窗14便于观测爆炸产生的实际火焰穿行路径。Observation windows 14 are provided at both ends of the mixing cavity 5 to facilitate observation of the actual flame path generated by the explosion.
观察窗14的上下两端设置有纹影系统，纹影系统包括上安装板8和下安装板9，上安装板8上转动安装有位于观察窗14正上方的上放面镜18，上安装板8的一侧下端设置有正对上放面镜18的光源17，下安装板9上转动安装有位于观察窗14正下方的下放面镜16，下放面镜16的上端正对上放面镜18，下放面镜16的右侧设置有采集爆炸风波的摄像头15。The upper and lower ends of the observation window 14 are provided with a Schlieren system, which includes an upper mounting plate 8 and a lower mounting plate 9. An upper mirror 18 located directly above the observation window 14 is rotatably mounted on the upper mounting plate 8, and a light source 17 facing the upper mirror 18 is provided at the lower end of one side of the upper mounting plate 8. A lower mirror 16 located directly below the observation window 14 is rotatably mounted on the lower mounting plate 9, and the upper end of the lower mirror 16 faces the upper mirror 18, and a camera 15 for collecting explosion waves is provided on the right side of the lower mirror 16.
通过在现有模拟试验中增加纹影系统，利用光源17对上放面镜18的照射，从而提供光照，配合下放面镜16，将从观察窗14中穿过的爆炸波进行成像，利用高速的摄像头15进行图像采集，从而避免在试验工装1内进行采集，大大提高了数据采集的便捷性和对设备的保护，进而便于对火焰穿过观察窗14往前移动路径进行研究。By adding a schlieren system to the existing simulation test, the light source 17 is used to illuminate the upper mirror 18 to provide illumination, and in conjunction with the lower mirror 16, the explosion wave passing through the observation window 14 is imaged, and the image is collected using a high-speed camera 15, thereby avoiding collection in the test fixture 1, greatly improving the convenience of data collection and the protection of the equipment, thereby facilitating the study of the path of the flame moving forward through the observation window 14.
进一步的优化设计，混合内腔5的一端连接油气罐7和真空泵6，混合内腔5的另一端设置有防爆风扇2，通过设置油气罐7和真空泵6实现油气与空气的混合填充，利用防爆风扇2实现充分混合。For further optimization design, one end of the mixing cavity 5 is connected to the oil and gas tank 7 and the vacuum pump 6, and the other end of the mixing cavity 5 is provided with an explosion-proof fan 2. The oil and gas tank 7 and the vacuum pump 6 are provided to achieve mixed filling of oil and gas with air, and the explosion-proof fan 2 is used to achieve sufficient mixing.
进一步的优化设计，混合内腔5的内壁上设置有膜片4，混合内腔5的上外壁分别设置有线性分布的多组压力传感器10，试验工装1上位于填装内腔3与膜片4之间设置有多组压力传感器10，试验工装1的下端与压力传感器10对应的位置设置有多组光电传感器12，混合内腔5中位于观察窗14靠近防爆风扇2的一侧设置有水雾系统13，混合内腔5的内壁上设置有加热器11，通过设置传感器实现对试验过程中的数据进行测量。Further optimized design, a diaphragm 4 is provided on the inner wall of the mixing cavity 5, and a plurality of groups of pressure sensors 10 distributed linearly are provided on the upper and outer walls of the mixing cavity 5 respectively, a plurality of groups of pressure sensors 10 are provided on the test fixture 1 between the filling cavity 3 and the diaphragm 4, a plurality of groups of photoelectric sensors 12 are provided at the lower end of the test fixture 1 at positions corresponding to the pressure sensors 10, a water mist system 13 is provided on the side of the observation window 14 close to the explosion-proof fan 2 in the mixing cavity 5, and a heater 11 is provided on the inner wall of the mixing cavity 5, and the data in the test process can be measured by setting sensors.
进一步的优化设计，上安装板8上竖直设置有伸缩柱20，伸缩柱20的下端固定在试验工装1的上端，伸缩柱20的上端端部固定在上安装板8的后侧外壁，上安装板8上设置有内嵌式的连接柱27，伸缩柱20的端部固定在连接柱27上，通过设置连接柱27实现上安装板8与伸缩柱20的固定连接，进而利用伸缩柱20实现上安装板8距离观察窗14上端端口的距离，从而便于调节入射光线的长度，达到调节光亮的目的。A further optimized design is that a telescopic column 20 is vertically arranged on the upper mounting plate 8, the lower end of the telescopic column 20 is fixed to the upper end of the test fixture 1, the upper end of the telescopic column 20 is fixed to the rear outer wall of the upper mounting plate 8, and an embedded connecting column 27 is arranged on the upper mounting plate 8, the end of the telescopic column 20 is fixed on the connecting column 27, and the upper mounting plate 8 and the telescopic column 20 are fixedly connected by setting the connecting column 27, and then the telescopic column 20 is used to realize the distance between the upper mounting plate 8 and the upper end port of the observation window 14, so as to facilitate the adjustment of the length of the incident light and achieve the purpose of adjusting the brightness.
进一步的优化设计，上安装板8和下安装板9上均设置有第一转轴25，下放面镜16和上放面镜18分别安装在第一转轴25上，上安装板8和下安装板9的外壁上与第一转轴25对应的位置设置有圆环状的角度表23，下放面镜16和上放面镜18的外壁上设置有指向角度表23的指针24。According to a further optimized design, a first rotating shaft 25 is provided on both the upper mounting plate 8 and the lower mounting plate 9, and the lower mirror 16 and the upper mirror 18 are respectively mounted on the first rotating shaft 25; a circular angle gauge 23 is provided on the outer wall of the upper mounting plate 8 and the lower mounting plate 9 at a position corresponding to the first rotating shaft 25; a pointer 24 pointing to the angle gauge 23 is provided on the outer wall of the lower mirror 16 and the upper mirror 18.
通过设置转轴实现纹影系统的转动安装，进而便于调节镜面的角度，达到准确与观察窗14的对应的目的。The rotational installation of the Schlieren system is realized by setting a rotating shaft, thereby facilitating the adjustment of the angle of the mirror surface to achieve the purpose of accurate correspondence with the observation window 14 .
进一步的优化设计，上安装板8的另一侧设置有第二转轴28，光源17转动安装在第二转轴28上，上安装板8上设置有滑槽26，滑槽26沿第二转轴28与第一转轴25之间直线延伸，第二转轴28的后端滑动安装在滑槽26中。通过设置滑槽26实现光源17的位置，达到调节光源17与上放面镜18的距离，从而提高光源17提供的光照强度。In a further optimized design, a second rotating shaft 28 is provided on the other side of the upper mounting plate 8, the light source 17 is rotatably mounted on the second rotating shaft 28, a slide groove 26 is provided on the upper mounting plate 8, the slide groove 26 extends along a straight line between the second rotating shaft 28 and the first rotating shaft 25, and the rear end of the second rotating shaft 28 is slidably mounted in the slide groove 26. The position of the light source 17 is realized by providing the slide groove 26, so as to adjust the distance between the light source 17 and the upper mirror 18, thereby improving the light intensity provided by the light source 17.
进一步的优化设计，下安装板9的一侧设置有固定在试验工装1下端外壁的立柱19，下安装板9的另一侧设置有延伸至观察窗14外侧的弧板21，弧板21上设置有转槽22，摄像头15转动安装在转槽22上，转槽22和弧板21的圆心与下安装板9上第一转轴25重合，通过设置转槽22与摄像头15的配合，便于调节摄像头15的角度，从而达到调节采集成像角度的目的。Further optimized design, a column 19 fixed to the outer wall of the lower end of the test fixture 1 is provided on one side of the lower mounting plate 9, and an arc plate 21 extending to the outside of the observation window 14 is provided on the other side of the lower mounting plate 9, and a rotating groove 22 is provided on the arc plate 21. The camera 15 is rotatably installed on the rotating groove 22. The center of the rotating groove 22 and the arc plate 21 coincide with the first rotating axis 25 on the lower mounting plate 9. By setting the cooperation between the rotating groove 22 and the camera 15, it is convenient to adjust the angle of the camera 15, thereby achieving the purpose of adjusting the acquisition imaging angle.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
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