Vertical installation structure of plug-in type gas ultrasonic flow sensor

Abstract

The utility model relates to a vertical installation structure of a plug-in type gas ultrasonic flow sensor, and belongs to the technical field of gas ultrasonic flow sensors. According to the technical scheme, an obliquely-inserted gas ultrasonic flow sensor (3) is installed on the side, away from a pipe gallery wall or a ground wall, of a pipeline (2) in the diameter horizontal direction, and a directly-inserted gas ultrasonic flow sensor (1) is vertically installed above the pipeline (2); the axis of the obliquely-inserted gas ultrasonic flow sensor (3) is perpendicular to the axis of the directly-inserted gas ultrasonic flow sensor. The center line of an oblique insertion probe body (5) of the oblique insertion gas ultrasonic flow sensor (3) and the center line of a direct insertion probe body (6) of the direct insertion gas ultrasonic flow sensor (1) are coaxially arranged, and the ultrasonic transmitting surface of the oblique insertion probe body and the ultrasonic transmitting surface of the direct insertion probe body are parallel and are oppositely arranged. According to the utility model, the installation of the gas ultrasonic flow sensor can be realized in a smaller space under the condition that civil engineering is not increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of vertical mode installation structure of plug-in gas ultrasonic flow sensor, belong to gas ultrasonic flow sensor technical field. BACKGROUND

[0002] Currently, when measuring the gas flow of pipe diameter ≤600mm, gas ultrasonic flow sensor usually adopts plug-in installation, when plug-in installation, two sensors are installed on the two sides of pipe diameter horizontal direction, and the center lines are coaxial, since the sound path of gas sensor measurement is generally 160-270mm, relatively short, sensor length is about 350-500mm, when the pipe to be measured is arranged in underground pipe gallery or ground close to wall etc., considering the space requirement of plug-in sensor, the net size of pipe to pipe gallery wall or ground pipe to wall should be at least 800-1000mm, general industrial site is difficult to meet the requirements, even if two sensors are installed in inclined V mode, it cannot meet the requirements, due to insufficient space, it is difficult to ensure that gas sensor is installed in appropriate position, thereby affecting the accurate measurement of instrument. SUMMARY

[0003] The utility model aims at providing a kind of vertical mode installation structure of plug-in gas ultrasonic flow sensor, can realize the installation of gas ultrasonic flow sensor in smaller space, solve the technical problems existing in the prior art plug-in installation or inclined V mode installation.

[0004] The technical scheme of the utility model is:

[0005] A kind of vertical mode installation structure of plug-in gas ultrasonic flow sensor, include oblique plug-in gas ultrasonic flow sensor and straight plug-in gas ultrasonic flow sensor, the oblique plug-in gas ultrasonic flow sensor is installed in the side away from pipe gallery wall or ground wall of pipe diameter horizontal direction, the straight plug-in gas ultrasonic flow sensor is vertically installed above pipe;The axis of the oblique plug-in gas ultrasonic flow sensor is perpendicular to the axis of straight plug-in gas ultrasonic flow sensor;The center line of the oblique plug-in probe body of the oblique plug-in gas ultrasonic flow sensor is coaxial with the center line of straight plug-in probe body of straight plug-in gas ultrasonic flow sensor, and the ultrasonic wave emission surface of oblique plug-in probe body is parallel and oppositely arranged with the ultrasonic wave emission surface of straight plug-in probe body.

[0006] Further, the oblique plug-in probe rod of the oblique plug-in gas ultrasonic flow sensor is linearly arranged with oblique plug-in probe body, and the center lines thereof are consistent.

[0007] Further, the distance between the ultrasonic wave emission surface of the oblique plug-in probe body and the ultrasonic wave emission surface of straight plug-in probe body is sound path L, and sound path L can be determined according to the outer diameter D of pipe.

[0008] Further, the straight insertion probe rod and the straight insertion probe body in the straight insertion gas ultrasonic flow sensor are arranged in an inverted T shape, and the center lines of the two are perpendicular.

[0009] The positive effect of the utility model is: when the pipeline to be measured is arranged in an underground pipe gallery or close to a wall on the ground, the oblique insertion gas ultrasonic flow sensor is installed obliquely on the side of the pipeline diameter horizontal direction away from the pipe gallery wall or the ground wall, the straight insertion gas ultrasonic flow sensor is installed vertically above the pipeline, and the straight insertion gas ultrasonic flow sensor and the oblique insertion gas ultrasonic flow sensor are not installed on the side close to the underground pipe gallery wall or the ground wall, so that the installation of the gas ultrasonic flow sensor can be realized in a smaller space without increasing civil engineering. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is an embodiment schematic diagram of the utility model;

[0011] Figure 2 It is a top view sectional view of the embodiment of the utility model;

[0012] In the drawing: straight insertion gas ultrasonic flow sensor 1, pipeline 2, oblique insertion gas ultrasonic flow sensor 3, oblique insertion probe rod 4, oblique insertion probe body 5, straight insertion probe body 6, straight insertion probe rod 7. DETAILED DESCRIPTION

[0013] The utility model will be further described below in combination with the drawings and embodiments:

[0014] An insertion type gas ultrasonic flow sensor vertical installation structure, containing oblique insertion gas ultrasonic flow sensor 3 and straight insertion gas ultrasonic flow sensor 1, the oblique insertion gas ultrasonic flow sensor 3 is installed in the pipeline 2 diameter horizontal direction away from the pipe gallery wall or the ground wall side, the straight insertion gas ultrasonic flow sensor 1 is installed vertically above the pipeline 2;The axis of the oblique insertion gas ultrasonic flow sensor 3 is perpendicular to the axis of the straight insertion gas ultrasonic flow sensor 1;The center line of the oblique insertion probe body 5 of the oblique insertion gas ultrasonic flow sensor 3 is coaxially arranged with the center line of the straight insertion probe body 6 of the straight insertion gas ultrasonic flow sensor 1, and the ultrasonic wave emission surface of the oblique insertion probe body 5 is parallelly and oppositely arranged with the ultrasonic wave emission surface of the straight insertion probe body 6.

[0015] Refer to the drawings Figure 2 The oblique insertion probe rod 4 of the oblique insertion gas ultrasonic flow sensor 3 is linearly arranged with the oblique insertion probe body 5, and the center lines of the two are consistent.

[0016] Refer to the drawings Figure 1 The distance between the ultrasonic wave emission surface of the oblique insertion probe body 5 and the ultrasonic wave emission surface of the straight insertion probe body 6 is the sound path L, and the sound path L can be determined according to the outer diameter D of the pipeline 2.

[0017] Referring to the drawings Figure 1 The straight-in probe rod 7 and the straight-in probe body 6 in the straight-in gas ultrasonic flow sensor 1 are arranged in an inverted T shape (i.e., a "⊥" shape), and the center lines of the two are perpendicular.

[0018] In this embodiment, the installation mode of the oblique-in gas ultrasonic flow sensor 3 is exactly the same as that of the plug-in sensor, and the oblique-in gas ultrasonic flow sensor 3 is installed on the side of the pipeline 2 away from the pipe gallery wall or the ground wall in the horizontal direction of the diameter of the pipeline 2, the angle between the axis of the oblique-in gas ultrasonic flow sensor 3 and the center line of the pipeline 2 is α, the straight-in gas ultrasonic flow sensor 1 is vertically installed above the pipeline 2, and the axis of the oblique-in gas ultrasonic flow sensor 3 is perpendicular to the axis of the straight-in gas ultrasonic flow sensor 1. In this way, neither of the two gas ultrasonic flow sensors is installed on the side close to the underground pipe gallery wall or the ground wall, the installation space requirement is small, the installation is convenient, the accuracy of the installation position of the sensor can be ensured, and the accuracy of the instrument measurement is improved. The oblique-in probe rod 4 and the oblique-in probe body 5 are arranged in a straight line, and the center lines of the two are consistent; the straight-in probe rod 7 and the straight-in probe body 6 are arranged in a "⊥" shape, and the center lines of the two are perpendicular. After installation, the center line of the oblique-in probe body 5 is coaxial with the center line of the straight-in probe body 6, the ultrasonic wave emission surface of the oblique-in probe body 5 is parallel and opposite to the ultrasonic wave emission surface of the straight-in probe body 6, the distance between the two emission surfaces is the acoustic path L, and the acoustic path L can be determined according to the outer diameter D of the pipeline 2.

Claims

1. A vertically mounted structure of a plug-in gas ultrasonic flow sensor, characterized by: The application relates to a gas ultrasonic flow sensor, which comprises an inclined gas ultrasonic flow sensor (3) and a straight gas ultrasonic flow sensor (1), the inclined gas ultrasonic flow sensor (3) is installed on the side of a pipeline (2) far away from a pipe gallery wall or a ground wall in the horizontal direction of the diameter of the pipeline (2), the straight gas ultrasonic flow sensor (1) is vertically installed above the pipeline (2), the axis of the inclined gas ultrasonic flow sensor (3) is perpendicular to the axis of the straight gas ultrasonic flow sensor (1), the center line of an inclined probe body (5) of the inclined gas ultrasonic flow sensor (3) is coaxially arranged with the center line of a straight probe body (6) of the straight gas ultrasonic flow sensor (1), and the ultrasonic wave emitting surface of the inclined probe body (5) is arranged in parallel and opposite to the ultrasonic wave emitting surface of the straight probe body (6).

2. The vertical mounting structure for a gas ultrasonic flow sensor of claim 1, wherein: The inclined probe rod (4) of the inclined gas ultrasonic flow sensor (3) is linearly arranged with the inclined probe body (5), and the center lines of the two are consistent.

3. The vertical mounting structure for a gas flow sensor according to claim 1 or 2, wherein: The distance between the ultrasonic wave emitting surface of the inclined probe body (5) and the ultrasonic wave emitting surface of the straight probe body (6) is an acoustic path L, and the acoustic path L can be determined according to the outer diameter D of the pipeline (2).

4. The vertical mounting structure for a gas flow sensor according to claim 1 or 2, wherein: The straight probe rod (7) in the straight gas ultrasonic flow sensor (1) is arranged in an inverted T shape with the straight probe body (6), and the center lines of the two are perpendicular.

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