Fluid pressure tester

Abstract

The utility model relates to a fluid pressure tester, which belongs to the technical field of fluid tests, and particularly comprises a box body, one end of the box body is provided with an air inlet, the other end of the box body is provided with a powerful exhaust fan, the middle part of the box body is provided with a deformation simulation wing, and four corners of the deformation simulation wing are connected to the top of the box body through lifting ropes. An electronic tension meter is further installed at the bottom of the box body, a pull hook of the electronic tension meter is fixedly connected with the bottom of the deformation simulation wing through a pull rope, air pressure sensors are arranged on the upper surface and the lower surface of the deformation simulation wing respectively, and a wind speed sensor is further installed in the box body. The wind speed sensor is arranged on the inner side of the air inlet, a display screen and a wind speed adjusting switch are further arranged outside the box body, the structure is simple, use is convenient, and the wind pressure intensity phenomenon can be observed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fluid pressure tester belongs to fluid test technical field. BACKGROUND

[0002] Wind pressure test is a kind of test for measuring the pressure distribution on the surface of object under the action of wind, and plays a vital role in many fields. In the field of construction, with the acceleration of urbanization, more and more high-rise buildings, large bridges and special structure buildings are emerging. These buildings must fully consider the influence of wind factor on their structural stability and safety during design and construction. Wind pressure tester can accurately measure the pressure distribution on the surface of building under different wind speed and wind direction conditions, and provide key data support for building structure design, so as to ensure the safety and stability of building in strong wind environment. At present, there is no related equipment for wind pressure test, so a wind pressure test equipment is urgently needed. SUMMARY

[0003] To solve the technical problems existing in the prior art, the utility model provides a fluid pressure tester which is simple in structure, easy to use and convenient for observing wind pressure phenomenon.

[0004] To achieve the above purpose, the utility model adopts the technical scheme of fluid pressure tester, which comprises a box body, one end of the box body is provided with an air inlet, the other end is provided with a powerful air extractor, the middle part of the box body is provided with a deformation simulation wing, the four corners of the deformation simulation wing are connected to the top of the box body through a lifting rope, the bottom of the box body is also provided with an electronic tensile tester, the pull hook of the electronic tensile tester is connected and fixed with the bottom of the deformation simulation wing through a pull rope, the upper surface and the lower surface of the deformation simulation wing are respectively provided with air pressure sensors, the box body is also provided with a wind speed sensor, the box body is also provided with a wind speed sensor, the wind speed sensor is arranged on the inner side of the air inlet, and the box body is also provided with a display screen and a wind speed adjusting switch.

[0005] Preferably, the box body is made of transparent material.

[0006] Preferably, the deformation simulation wing is located on the center line connecting the air inlet and the powerful air extractor.

[0007] Preferably, the morphing simulation wing comprises a foamed plate, a PP plastic film and a steering engine, the foamed plate is provided with a fixing groove, the steering engine is installed in the fixing groove, an oscillating rod is installed on an output shaft of the steering engine, a control cross rod is installed on the oscillating rod, the PP plastic film is installed on the foamed plate, four sides of the PP plastic film are fixed on four sides of the foamed plate, and the control cross rod is supported on the bottom of the PP plastic film, and an adjusting controller is further installed on the outside of the box body and connected with the steering engine.

[0008] Compared with the prior art, the morphing simulation wing can float under the action of wind force, and the pressure of wind force can be observed, the airflow speed on the lower surface of the morphing simulation wing and the air pressure on the upper and lower surfaces of the wing can be more intuitively reflected through the display, the Bernoulli principle is applied to the atmospheric pressure, and the relationship between the flow speed and the pressure is more clear. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a structural schematic view of the utility model.

[0010] Figure 2 It is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0011] In order to make the technical problems, technical schemes and beneficial effects of the utility model clearer, the utility model is further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0012] As shown in Figure 1 and Figure 2 , the fluid pressure tester comprises a box body 1, one end of the box body 1 is provided with an air inlet 2, the other end is provided with a strong air extractor 3, the middle part of the box body 1 is provided with a morphing simulation wing 4, the four corners of the morphing simulation wing 4 are connected to the top of the box body 1 through a lifting rope 5, the bottom of the box body 1 is further provided with an electronic tension meter 6, the tension hook of the electronic tension meter 6 is connected and fixed to the bottom of the morphing simulation wing 4 through a pulling rope 7, the upper surface and the lower surface of the morphing simulation wing 4 are respectively provided with an air pressure sensor 8, the box body 1 is further provided with a wind speed sensor 9, the wind speed sensor 9 is arranged on the inner side of the air inlet 2, and the box body 1 is further provided with a display screen 10 and a wind speed adjusting switch 11.

[0013] The utility model discloses a strong suction fan 3 and air inlet 2 are arranged at the both ends of box 1, utilize the airflow of strong suction fan 3. Box 1 is installed with deformation simulation airfoil 4, and the top of deformation simulation airfoil 4 is connected at the top of box 1 through the rope 5, and the bottom is connected with electronic tensiometer 6 through the pull rope 7. The width of deformation simulation airfoil 4 is greater than the width of air inlet 2, and deformation simulation airfoil 4 is located on the center line of air inlet 2 and strong suction fan 3. When the airflow flows, the air pressure sensor 8 of the upper surface and the lower surface of deformation simulation airfoil 4 can detect real-time air pressure, and because of the effect of deformation simulation airfoil shape, the air pressure of upper part is less than the air pressure of lower part, makes deformation simulation airfoil float upwards, and the pulling force of rising can be detected through electronic tensiometer 6. Box 1 is made of transparent material, and it is convenient to observe.

[0014] Wherein, deformation simulation airfoil 4 includes foamed sheet 12, PP plastic film 13 and rudder 14, is provided with fixed recess on foamed sheet 12, and is installed with rudder 14 in fixed recess, and is installed with swing rod 15 on the output shaft of rudder 14, and is installed with control crossbar 16 on swing rod 15, and is installed PP plastic film 13 on foamed sheet 12, and is fixed on the four edges of foamed sheet 12 around PP plastic film 13, and control crossbar 16 is supported at the bottom of PP plastic film 13, and the outside of box 1 is also installed with adjusting controller 17, and adjusting controller 17 is connected with rudder 14. Deformation simulation airfoil 4 adopts deformable structure, swing rod 15 swings on rudder 14 through adjusting controller 17, and PP plastic film 13 is controlled to be different in protruding position through control crossbar 16, and then the shape change of deformation simulation airfoil 4 is realized, so that it can be adjusted during the test, and it is convenient to observe the influence of the shape of deformation simulation airfoil 4 on the lift.

[0015] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should be included in the scope of the utility model.

Claims

1. Fluid pressure tester characterized in that: The utility model provides a kind of wind tunnel, including box, the one end of the box is provided with air inlet, the other end is equipped with strong suction fan, the middle part of the box is equipped with shape change simulation wing, the four corners of the shape change simulation wing are connected in the top of box by rope, the bottom of the box is also equipped with electronic tensile meter, the pull hook of the electronic tensile meter is connected and fixed by pull rope with the bottom of shape change simulation wing, the upper surface and the lower surface of the shape change simulation wing are respectively provided with air pressure sensor, the box is also equipped with wind speed sensor, the box is also equipped with wind speed sensor, the wind speed sensor is arranged in the inside of air inlet, the outside of the box is also provided with display screen and wind speed adjusting switch.

2. The fluid pressure tester of claim 1, wherein: The box is made of transparent material.

3. The fluid pressure tester of claim 1, wherein: The shape change simulation wing is located on the center line of the air inlet and the strong suction fan.

4. The fluid pressure tester of claim 1, wherein: The shape change simulation wing includes a foamed board, a PP plastic film and a steering engine, the foamed board is provided with a fixing groove, the steering engine is installed in the fixing groove, a swing rod is installed on the output shaft of the steering engine, a control crossbar is installed on the swing rod, the PP plastic film is installed on the foamed board, the PP plastic film is fixed on the four edges of the foamed board, and the control crossbar is supported on the bottom of the PP plastic film, an adjusting controller is further installed on the outside of the box, and the adjusting controller is connected with the steering engine.

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