Pipeline internal fluid flow detection device

Abstract

The utility model relates to the technical field of fluid flow detection, and discloses a pipeline internal fluid flow detection device which comprises a shell, a detection box is arranged below the shell, a liquid inlet is formed in the side edge of the detection box, and a liquid outlet is formed in the bottom of the detection box. A sensor is arranged on the upper portion of the shell, and a rotating shaft is arranged below the sensor, extends into the detection box and is connected with the turbine. The turbine is located on the liquid outlet, the liquid outlet is communicated with the liquid inlet, a right-angle-shaped cavity is formed, and through the right-angle-shaped cavity, after fluid enters the detection box through the liquid inlet, the fluid can impact the turbine and enable the turbine to rotate, so that fluid flow detection is achieved, and the measurement precision and stability of the detection device are improved; meanwhile, the sensor is connected with the rotating shaft through magnetic coupling, the turbine acts on the rotating shaft when rotating, the sensor can generate a corresponding electric signal, the non-contact signal transmission mode can reduce mechanical abrasion, the service life of the device is prolonged, and the reliability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid flow detection, in particular to a device for detecting the flow of fluid inside a pipeline. Background Art

[0002] In the field of fluid flow detection technology, accurate measurement of fluid flow inside pipelines is crucial to industrial production and fluid control systems.

[0003] The existing patent application number is 201621391787.X, and the Chinese patent publication number is CN206257352U. An intelligent flow controller includes a data display transmitter, a fluid circulation pipeline and a nozzle sealing rubber ring. The left and right ends of the fluid circulation pipeline are provided with fluid delivery nozzles, and the nozzle sealing rubber ring is installed on the side of the fluid delivery nozzle away from the fluid circulation pipeline. The upper end of the fluid circulation pipeline is provided with a flow meter installation nozzle, the data display transmitter is installed above the flow meter installation nozzle, and a detection data transmission interface is provided on one side of the data display transmitter. A target flow detector is provided inside the fluid circulation pipeline near the bottom of the flow meter installation nozzle, and a fluid density detector is provided on the side of the fluid circulation pipeline near the target flow detector; the flow is controlled by combining the target flow detector and the electromagnetic control valve, and the control is more intelligent, avoiding the inaccurate manual operation and the problem of unclear opening and closing.

[0004] In combination with the above scheme, the following problems exist: the accuracy and stability of the fluid flow detection device inside the pipeline still need to be improved, especially in high flow rate or high pressure environment, the fluctuation of fluid flow rate and flow direction may have a great impact on the detection results, and there are problems such as low measurement accuracy and poor stability, which cannot meet the high requirements of modern industrial production for fluid flow detection.

[0005] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a device for detecting the flow rate of fluid inside a pipeline. Utility Model Content

[0006] The utility model aims to provide a device for detecting the flow rate of fluid inside a pipeline, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A technical solution for a device for detecting the flow rate of fluid inside a pipeline comprises a shell, a detection box is arranged below the shell, a liquid inlet is arranged through the side of the detection box, a liquid discharge port is arranged at the bottom of the detection box, a sensor is arranged on the upper part of the shell, a rotating shaft is arranged below the sensor, the rotating shaft extends into the detection box, and a turbine is connected to the end face of the rotating shaft.

[0009] As a preferred technical solution, the turbine is located on the liquid discharge port, the liquid discharge port is connected to the liquid inlet, and a right-angle cavity is formed.

[0010] As a preferred technical solution, the sensor is connected to the rotating shaft through magnetic coupling. When the turbine rotates, it acts on the rotating shaft and the sensor generates a corresponding electrical signal.

[0011] As a preferred technical solution, a wiring terminal is provided on the top of the sensor, and the wiring terminal is connected to a data processing device for receiving and processing the electrical signal generated by the sensor to achieve accurate detection of the fluid flow inside the pipeline.

[0012] As a preferred technical solution, the housing and the detection box are made of corrosion-resistant materials to adapt to the detection of various fluid environments.

[0013] As a preferred technical solution, the liquid inlet and the liquid outlet are both provided with filter screens to prevent impurities in the pipeline from entering the interior of the detection box and affecting the accuracy of flow detection.

[0014] As a preferred technical solution, a rotating sleeve is arranged in the shell, and the rotating shaft is passed through the rotating sleeve and is rotatably connected thereto.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is a device for detecting the flow rate of fluid inside a pipeline. A turbine is arranged on a liquid discharge port, the liquid discharge port is connected with a liquid inlet port, and a right-angled cavity is formed. Through the right-angled cavity, after the fluid passes through the liquid inlet port and enters the interior of a detection box, the fluid can impact the turbine and rotate the turbine, thereby realizing the detection of the fluid flow rate, and improving the measurement accuracy and stability of the detection device; at the same time, the sensor is connected to the rotating shaft through magnetic coupling, and when the turbine rotates, it acts on the rotating shaft, and the sensor generates a corresponding electrical signal. This non-contact signal transmission method can reduce mechanical wear and improve the service life and reliability of the device; in addition, the wiring terminal is connected with a data processing device, which can receive and process the electrical signal generated by the sensor in real time, thereby realizing accurate detection of the flow rate of the fluid inside the pipeline, and meeting the high requirements of modern industrial production for fluid flow detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a device for detecting the flow rate of fluid inside a pipeline;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of a device for detecting the flow rate of fluid inside a pipeline;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of point A of a device for detecting fluid flow inside a pipeline.

[0020] In the accompanying drawings, 1, housing; 2, detection box; 21, liquid inlet; 22, liquid outlet; 3, sensor; 31, terminal; 32, rotating shaft; 33, turbine; 34, rotating sleeve. DETAILED DESCRIPTION

[0021] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, the utility model provides a technical solution for a device for detecting the flow rate of fluid inside a pipeline: it includes a shell 1, a detection box 2 is arranged below the shell 1, the shell 1 and the detection box 2 are made of corrosion-resistant materials to adapt to the detection of various fluid environments, a liquid inlet 21 is arranged through the side of the detection box 2, a liquid discharge port 22 is arranged at the bottom of the detection box 2, and a filter screen is arranged on the liquid inlet 21 and the liquid discharge port 22 to prevent impurities in the pipeline from entering the detection box 2 and affecting the accuracy of flow detection, a sensor 3 is arranged on the upper part of the shell 1, a rotating shaft 32 is arranged below the sensor 3, and the sensor 3 and the rotating shaft 32 are connected by a magnetic The turbine 33 is coupled and acts on the shaft 32 when it rotates, and the sensor 3 generates a corresponding electrical signal. The shaft 32 extends into the detection box 2, and the end face of the shaft 32 is connected with the turbine 33. A rotating sleeve 34 is provided in the outer shell 1, and the shaft 32 is inserted into the rotating sleeve 34 and is rotatably connected thereto. The turbine 33 is located on the discharge port 22, and the discharge port 22 is connected to the liquid inlet 21 to form a right-angled cavity. A terminal 31 is provided on the top of the sensor 3, and the terminal 31 is connected to a data processing device for receiving and processing the electrical signal generated by the sensor 3 to achieve accurate detection of the fluid flow inside the pipeline.

[0023] According to the above scheme, in this embodiment, when in use, the fluid enters the interior of the detection box 2 through the liquid inlet 21. Since the liquid inlet 21 and the liquid outlet 22 form a right-angled cavity, the fluid will rotate when it hits the turbine 33. The rotation of the turbine 33 is transmitted to the shaft 32 through magnetic coupling, and the rotation of the shaft 32 is sensed by the sensor 3 and generates a corresponding electrical signal. This electrical signal is transmitted to the data processing device through the terminal 31, and the device processes the signal to achieve accurate detection of the fluid flow inside the pipeline.

[0024] First, through the right-angled cavity, the fluid can directly impact the turbine 33, making the rotation of the turbine 33 more sensitive and accurate, thereby improving the measurement accuracy; second, the sensor 3 and the rotating shaft 32 are connected by magnetic coupling, which reduces mechanical wear and improves the service life and reliability of the device; finally, the data processing equipment can receive and process the electrical signal generated by the sensor 3 in real time, making the flow detection more intelligent and automated.

[0025] The device for detecting the flow rate of fluid inside the pipeline improves the measurement accuracy and stability by optimizing the structural design and adopting advanced signal processing technology, meeting the high requirements of modern industrial production for fluid flow detection. At the same time, its simple and easy-to-use and corrosion-resistant characteristics also make it widely applicable in practical applications.

[0026] The working principle and use process of the utility model: After the various components of the solution are assembled in sequence, all the working steps can be completed according to the above implementation methods in sequence according to actual needs.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0030] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for detecting fluid flow inside a pipeline, characterized in that: The invention comprises a housing (1), a detection box (2) is arranged below the housing (1), a liquid inlet (21) is arranged through the side of the detection box (2), a liquid discharge port (22) is arranged at the bottom of the detection box (2), a sensor (3) is arranged on the upper part of the housing (1), a rotating shaft (32) is arranged below the sensor (3), the rotating shaft (32) extends into the detection box (2), and a turbine (33) is connected to the end surface of the rotating shaft (32).

2. A device for detecting flow rate of fluid inside a pipeline according to claim 1, characterized in that: The turbine (33) is located on the liquid discharge port (22), and the liquid discharge port (22) is connected to the liquid inlet (21), and a right-angle cavity is formed.

3. A device for detecting fluid flow inside a pipeline according to claim 1, characterized in that: The sensor (3) is connected to the rotating shaft (32) through magnetic coupling. When the turbine (33) rotates, it acts on the rotating shaft (32), and the sensor (3) generates a corresponding electrical signal.

4. A device for detecting flow rate of fluid inside a pipeline according to claim 1, characterized in that: The sensor (3) is provided with a wiring terminal (31) at the top, and the wiring terminal (31) is connected to a data processing device for receiving and processing the electrical signal generated by the sensor (3) to achieve accurate detection of the fluid flow inside the pipeline.

5. The device for detecting flow rate of fluid inside a pipeline according to claim 1, characterized in that: The housing (1) and the detection box (2) are made of corrosion-resistant materials to adapt to the detection of various fluid environments.

6. The device for detecting fluid flow inside a pipeline according to claim 1, characterized in that: The liquid inlet (21) and the liquid outlet (22) are both provided with filter screens to prevent impurities in the pipeline from entering the interior of the detection box (2) and affecting the accuracy of flow detection.

7. The device for detecting fluid flow inside a pipeline according to claim 1, characterized in that: A rotating sleeve (34) is arranged inside the outer shell (1), and the rotating shaft (32) is inserted into the rotating sleeve (34) and is rotatably connected thereto.

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