Device for detecting flow capacity of valve

Abstract

The utility model discloses a device for detecting the flow capacity of a valve, which is applied to a valve to be detected and comprises a first pipeline, a flow detection assembly and a pressure detection piece, the first pipeline is arranged on one side of the valve to be detected, and the flow detection assembly comprises a pressure sensor arranged in the middle of the first pipeline. Through the design of the first pipeline, the pressure sensor, the second pipeline, the flow test piece, the first pressure regulating valve, the filter and the pressure detection piece, the specified pressure difference is set for the two sides of the valve to be detected in the detection process of the device, calibration is conducted through the pressure detection piece and the pressure sensor, it is ensured that the pressure difference is stable, and then the valve to be detected is detected. The flow meter is arranged in the pipeline, the reading of the flow meter is observed to confirm the flow of the pipeline, whether the detected flow meets the requirement or not is judged by comparing the detected flow with the standard flow, the filter is arranged in the pipeline, particulate matter in the pipeline is cleaned through the filter, and the situation that the pressure in the pipeline is unstable due to the particulate matter is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve detection technical field, especially valve flow capacity detection device. BACKGROUND

[0002] Valve is the vital component in fluid control system, and its main function is to control the flow, pressure and flow direction of fluid by opening, closing or adjusting the flow passage area.

[0003] Valve flow capacity refers to the capacity of fluid passing through the valve under the condition of specified pressure difference, and in the detection process, the specified pressure difference needs to be set on both sides of the valve to be detected, and the pipeline flow is determined by the flow meter reading, however, when the pipeline fluid contains particulate matter, the pressure in the pipeline changes due to the uneven distribution of particulate matter in the flow passage, and then the pressure difference sensor reading fluctuates, finally affecting the accuracy of the detection data, therefore, the utility model provides a kind of valve flow capacity detection device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of valve flow capacity detection device to solve the problems in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of valve flow capacity detection device, applied to valve to be detected, including:

[0006] First pipeline, the first pipeline is arranged on one side of the valve to be detected;

[0007] Flow detection component, the flow detection component includes the pressure sensor arranged in the middle of the first pipeline, one end of the pressure sensor is provided with the second pipeline, one side of the second pipeline is provided with the flow test piece, one side of the flow test piece is provided with the fourth pipeline, the middle of the fourth pipeline is provided with the first pressure regulating valve, the middle of the second pipeline is provided with the filter, and the filter is used to filter impurities in water;

[0008] Pressure detection piece, the pressure detection piece is arranged on the other side of the valve to be detected.

[0009] Preferably, one side of the first pressure regulating valve is provided with the second manual valve.

[0010] Preferably, the flow test piece includes the third pipeline arranged at one end of the second pipeline, and the middle of the third pipeline is provided with the flow meter.

[0011] Preferably, the middle of the third pipeline is provided with the first manual valve, and the first manual valve is used to control the flow in the third pipeline.

[0012] Preferably, the other side of the valve to be detected is provided with a fifth pipeline, and the pressure detection member is arranged on one side of the fifth pipeline.

[0013] Preferably, the pressure detection member comprises a second pressure regulating valve arranged on one side of the fifth pipeline, one side of the second pressure regulating valve is provided with a control valve, and one end of the control valve is provided with a pressure gauge.

[0014] The technical effects and advantages of the present application are as follows:

[0015] The present application comprises a first pipeline, a pressure sensor, a second pipeline, a flow test member, a first pressure regulating valve, a filter and a pressure detection member. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The present application is a three-dimensional structure schematic diagram.

[0017] Figure 2 The present application is a top view schematic diagram.

[0018] In the figure: 1, valve to be detected; 2, first pipeline; 3, pressure sensor; 4, second pipeline; 5, filter; 6, third pipeline; 7, first manual valve; 8, flow meter; 9, fourth pipeline; 10, first pressure regulating valve; 11, second manual valve; 12, fifth pipeline; 13, control valve; 14, second pressure regulating valve; 15, pressure gauge. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] The present application provides a device for detecting the flow capacity of a valve as shown in Figure 1 and Figure 2 The present application provides a device for detecting the flow capacity of a valve as shown in

[0021] The first pipeline 2 is arranged on one side of the valve to be detected 1.

[0022] The flow detection assembly comprises a pressure sensor 3 arranged in the middle of the first pipeline 2, one end of the pressure sensor 3 is provided with a second pipeline 4, one side of the second pipeline 4 is provided with a flow test piece, one side of the flow test piece is provided with a fourth pipeline 9, the middle of the fourth pipeline 9 is provided with a first pressure regulating valve 10, the middle of the second pipeline 4 is provided with a filter 5, the filter 5 is used for filtering impurities in water, and one side of the first pressure regulating valve 10 is provided with a second manual valve 11.

[0023] The pressure detection piece is arranged on the other side of the valve to be detected 1.

[0024] It should be noted that the pressure sensor 3 arranged is an existing sensor, in use, the pressure sensor 3 directly contacts the fluid in the pipeline through a diaphragm, the fluid pressure acts on the surface of the diaphragm, the pressure causes the diaphragm to produce micron-level elastic deformation, and the pressure monitoring is realized by converting the fluid pressure into a measurable electrical signal; the second manual valve 11 arranged is an existing ball valve, the rotation of the ball body is used to control the on-off of the fluid in the fourth pipeline 9; the first pressure regulating valve 10 arranged is an existing valve body, the first pressure regulating valve 10 automatically stabilizes the outlet pressure through the dynamic balance principle, and the core working process can be divided into three key links: first, adjust the spring pre-tightening force to set the target pressure value, push the diaphragm to open the valve core; second, after the fluid passes through the valve core, the outlet pressure acts on the diaphragm to generate a reverse thrust, and when the pressure and the spring force are balanced, the valve core maintains a fixed opening; finally, when the outlet pressure fluctuates, the diaphragm will sensitively perceive the pressure difference and drive the valve core to move - when the pressure decreases, the spring pushes the valve core to open to increase the flow, and when the pressure rises, the diaphragm lifts the valve core to close to reduce the flow, so as to maintain the outlet pressure constant in real time; the filter 5 arranged is a device for intercepting impurities in water and protecting subsequent equipment, and the core working principle is to use the physical filtering effect of the built-in filter screen, when the water flows, the particles larger than the filter screen aperture are intercepted on the filter screen surface, and the clean water flows through the filter screen to continue flowing, so as to clean the impurities in the water.

[0025] Specifically, the flow test piece comprises a third pipeline 6 arranged at one end of the second pipeline 4, and a flow meter 8 arranged in the middle of the third pipeline 6.

[0026] It should be noted that the flow meter 8 arranged is an instrument for measuring cumulative flow, in use, the water flow drives the impeller to rotate, the rotational speed is proportional to the flow rate, the built-in magnetic steel in the impeller drives the external transmission mechanism through magnetic coupling, and the mechanical rotation signal is converted into an electrical pulse (Hall effect), and the signal processing unit converts it into a standard flow value.

[0027] Specifically, the middle of the third pipeline 6 is provided with a first manual valve 7, and the first manual valve 7 is used for controlling the flow in the third pipeline 6.

[0028] It should be noted that the first manual valve 7 is a ball valve, and the rotation of the ball controls the opening and closing of the fluid in the third pipeline 6.

[0029] Specifically, the other side of the valve to be detected 1 is provided with a fifth pipeline 12, and the pressure detecting member is arranged on one side of the fifth pipeline 12.

[0030] Specifically, the pressure detecting member comprises a second pressure regulating valve 14 arranged on one side of the fifth pipeline 12, one side of the second pressure regulating valve 14 is provided with a control valve 13, and one end of the control valve 13 is provided with a pressure gauge 15.

[0031] It should be noted that the second pressure regulating valve 14 is consistent with the working principle of the first pressure regulating valve 10, and the pressure gauge 15 is a kind of instrument for measuring the pressure of fluid, which is used to display the pressure value in the fifth pipeline 12; the control valve 13 is arranged to adjust the flow, pressure or direction of the fluid, so as to realize the accurate control of the water flow.

[0032] Finally, it should be pointed out that the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A device for detecting the flow capacity of a valve, applied to a valve (1) to be tested, characterized in that, The utility model relates to a valve flow test device, including: A first pipeline (2) is arranged at one side of a valve (1) to be tested; A flow test assembly is arranged in the middle of the first pipeline (2), and one end of the flow test assembly is provided with a pressure sensor (3), one side of the pressure sensor (3) is provided with a second pipeline (4), one side of the second pipeline (4) is provided with a flow test piece, one side of the flow test piece is provided with a fourth pipeline (9), the middle of the fourth pipeline (9) is provided with a first pressure regulating valve (10), the middle of the second pipeline (4) is provided with a filter (5), and the filter (5) is used for filtering impurities in water; A pressure detection piece is arranged at the other side of the valve (1) to be tested.

2. A device for detecting the flow capacity of a valve according to claim 1, characterized in that One side of the first pressure regulating valve (10) is provided with a second manual valve (11).

3. The device of claim 1, wherein, The flow test piece includes a third pipeline (6) arranged at one end of the second pipeline (4), and a flow meter (8) is arranged in the middle of the third pipeline (6).

4. An apparatus for detecting flow capacity of a valve according to claim 3, wherein The middle of the third pipeline (6) is provided with a first manual valve (7) for controlling the flow in the third pipeline (6).

5. The device of claim 1, wherein, The other side of the valve (1) to be tested is provided with a fifth pipeline (12), and the pressure detection piece is arranged at one side of the fifth pipeline (12).

6. An apparatus for detecting flow capacity of a valve according to claim 5, wherein The pressure detection piece includes a second pressure regulating valve (14) arranged at one side of the fifth pipeline (12), one side of the second pressure regulating valve (14) is provided with a control valve (13), one end of the control valve (13) is provided with a pressure gauge (15).

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