Plug-in type non-full pipe flowmeter

Abstract

The utility model relates to the technical field of applied electromagnetic flow meters, and discloses a plug-in type non-full pipe flow meter which comprises a pipeline, two first flange plates are fixedly connected to the outer surface of the pipeline in a sleeved mode, first bolt holes are formed in the left sides of the two first flange plates, and a display instrument is arranged on the front side of the pipeline. The lower side of the outer surface of the pipeline is fixedly connected with a connecting pipeline, the connecting pipeline communicates with the interior of the pipeline, the outer surface of the connecting pipeline is fixedly sleeved with a second flange plate, and a measuring mechanism is arranged on the display instrument. The measuring mechanism comprises a junction box, two sockets, two waterproof cold-resistant cables, two plugs, a third flange plate, a second bolt hole, a detection probe, a probe top end, a rubber pad, a bolt and a nut, and in this way, the non-full pipe flowmeter can be directly installed without modifying a pipeline on site; therefore, the non-full pipe flowmeter is convenient to install and use, and accuracy of flow measurement of liquid in a pipeline is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of applied electromagnetic flowmeters, in particular to an insertion type non-full pipe flowmeter. Background Art

[0002] At present, most of the instruments on the market used to measure the flow of liquid in pipelines have a prerequisite for normal use, that is, the pipeline needs to be full. Once the pipeline is not full, the measurement results will deteriorate or even cannot be measured normally. Most of the non-full pipelines have large diameters, which are difficult to transform on site. In addition, some on-site working conditions are unstable, and the pipeline may be full or not full at times. This requires the measuring instrument to be able to detect and analyze the changes in the liquid level in the pipeline in real time, and to perform accurate and stable measurements in both full and non-full situations. An insertion type non-full pipe flow meter is now proposed. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides an insertable partially full pipe flow meter, which has the function of directly installing the partially full pipe flow meter without modifying the on-site pipeline, thereby making the installation and use of the partially full pipe flow meter relatively convenient and ensuring the accuracy of the liquid flow measurement in the pipeline.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insertion type non-full pipe flow meter, comprising a pipeline, the outer surface of the pipeline is fixedly sleeved with two first flanges, the two first flanges are arranged on the left and right, and the left sides of the two first flanges are both provided with first bolt holes;

[0007] A display instrument is provided on the front side of the pipeline, and a connecting pipeline is fixedly connected to the lower side of the outer surface of the pipeline;

[0008] The connecting pipe is connected to the interior of the pipe, and a second flange is fixedly sleeved on the outer surface of the connecting pipe;

[0009] The display instrument is provided with a measuring mechanism, through which the liquid flow inside the pipeline can be detected, and the detection result will be displayed on the display instrument;

[0010] The measuring mechanism comprises a junction box, two sockets, two waterproof and cold-resistant cables, two plugs, a third flange, a second bolt hole, a detection probe, a probe top, a rubber pad, bolts and nuts.

[0011] Preferably, the junction box is arranged on the lower side of the second flange, and the two sockets are fixedly connected to the front side of the outer surface of the junction box;

[0012] The two sockets are arranged on the left and right, and two waterproof and cold-resistant cables are fixedly connected to the lower side of the display instrument.

[0013] Preferably, the two plugs are respectively inserted into the two sockets, and the ends of the two waterproof and cold-resistant cables away from the display instrument are respectively fixedly connected to the two plugs;

[0014] The third flange is fixedly sleeved on the outer surface of the junction box, and the second bolt holes are respectively opened on the upper sides of the second flange and the third flange.

[0015] Preferably, the detection probe is fixedly connected to the upper side of the junction box, and the detection probe is made of ABS material;

[0016] The top of the probe is fixedly connected to the upper side of the detection probe, and the top of the probe is an arc-shaped smooth curved surface with a guide groove designed in the middle.

[0017] Preferably, the rubber pad is fixedly connected to the upper side of the third flange, and the rubber pad is sleeved on the outer surface of the detection probe;

[0018] The upper side of the rubber pad contacts the lower side of the second flange, and the bolts are arranged on the upper side of the second flange.

[0019] Preferably, the lower end of the bolt extends out of the lower side of the third flange through the second bolt hole, and the nut is arranged on the lower side of the third flange, and the nut is threadedly connected to the bolt.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides an insertion type non-full pipe flow meter, which has the following beneficial effects:

[0022] (1) The insertion type partially full pipe flow meter can be directly installed without modifying the pipeline on site, making the installation and use of the partially full pipe flow meter relatively convenient, ensuring the accuracy of the liquid flow measurement in the pipeline, and at the same time being able to detect the pipeline liquid level and flow rate in real time, which can meet the measurement work of both partially full pipe and full pipe states.

[0023] (2) The detection probe of this insertion type non-full tube flowmeter is made of ABS material and is manufactured through 3D printing technology. It can be immersed in various fluids for a long time and has stable physical and chemical properties. The top of the probe is an arc-shaped smooth surface with a guide groove in the middle to ensure that when the liquid flows through the probe surface, the streamline does not produce boundary layer separation and tail vortex that affect the measurement.

[0024] (3) In this insertion type non-full pipe flowmeter, the flow rate detection electrodes are located at symmetrical positions on both sides of the guide groove at the top of the probe to ensure that the axes of the two electrodes are perpendicular to the liquid flow direction. The detection electrode is made of 316L and has a conical head. On the one hand, it reduces the wear caused by liquid impact, and on the other hand, it reduces the surface adhesion of impurities in the fluid to the detection electrode.

[0025] (4) For this insertion type non-full tube flowmeter, the excitation system is located in the cabin inside the probe and is composed of a copper coil winding, an iron core, a yoke and a clamp. Corresponding positioning holes are designed inside the probe to ensure the relative position and matching accuracy of the upper parts after assembly, and to ensure that the excitation system provides uniformity and stability of the working magnetic field. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of an insertion type non-full pipe flow meter of the utility model;

[0027] Figure 2 This is a schematic diagram of the connection structure of the flow converter of the utility model;

[0028] Figure 3 for Figure 1 An enlarged schematic diagram of point A.

[0029] In the figure: 1. pipeline; 2. first flange; 3. first bolt hole; 4. display instrument; 5. connecting pipeline; 6. second flange; 7. junction box; 8. socket; 9. waterproof and cold-resistant cable; 10. plug; 11. third flange; 12. second bolt hole; 13. detection probe; 14. probe top; 15. rubber pad; 16. bolt; 17. nut. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 3The utility model provides a new technical solution: an insertion type non-full pipe flowmeter, comprising a pipeline 1, the outer surface of the pipeline 1 is fixedly sleeved with two first flanges 2, the two first flanges 2 are arranged on the left and right, and the left sides of the two first flanges 2 are each provided with a first bolt hole 3, a display instrument 4 is arranged on the front side of the pipeline 1, a connecting pipe 5 is fixedly connected to the lower side of the outer surface of the pipeline 1, the connecting pipe 5 is connected to the inside of the pipeline 1, a second flange 6 is fixedly sleeved on the outer surface of the connecting pipe 5, a measuring mechanism is arranged on the display instrument 4, the liquid flow inside the pipeline 1 can be detected by the measuring mechanism, and then the detection result will be displayed on the display instrument 4, the measuring mechanism comprises a junction box 7, two sockets 8, two waterproof and cold-resistant cables 9, two plugs 10, a third flange 11, a second bolt hole 12, a detection probe 13, a probe top 14, a rubber pad 15, a bolt 16 and a nut 17.

[0032] Further, the junction box 7 is arranged on the lower side of the second flange 6, the two sockets 8 are fixedly connected to the front side of the outer surface of the junction box 7, the two sockets 8 are arranged on the left and right, the two waterproof and cold-resistant cables 9 are fixedly connected to the lower side of the display instrument 4, the two plugs 10 are respectively plugged into the inside of the two sockets 8, the ends of the two waterproof and cold-resistant cables 9 away from the display instrument 4 are respectively fixedly connected to the two plugs 10, the third flange 11 is fixedly sleeved on the outer surface of the junction box 7, the second bolt holes 12 are respectively opened on the upper sides of the second flange 6 and the third flange 11, and the detection probe 13 is fixedly connected to the upper side of the junction box 7 The detection probe 13 is made of ABS material, and the probe top 14 is fixedly connected to the upper side of the detection probe 13. The probe top 14 is an arc-shaped smooth surface with a guide groove designed in the middle. The rubber pad 15 is fixedly connected to the upper side of the third flange 11. The rubber pad 15 is sleeved on the outer surface of the detection probe 13. The upper side of the rubber pad 15 contacts the lower side of the second flange 6. The bolt 16 is arranged on the upper side of the second flange 6. The lower end of the bolt 16 extends out of the lower side of the third flange 11 through the second bolt hole 12. The nut 17 is arranged on the lower side of the third flange 11, and the nut 17 is threadedly connected to the bolt 16.

[0033] Furthermore, when working, the staff inserts the detection probe 13 into the interior of the connecting pipe 5, and then aligns the second bolt holes 12 on the second flange 6 and the third flange 11 at the same time, and then inserts the bolt 16 into the interior of the second bolt hole 12, and then the nut 17 is threadedly connected with the bolt 16, and then the second flange 6 and the third flange 11 are connected, and at the same time the rubber pad 15 is in contact with the upper side of the second flange 6, so that the sealing is improved, and then the upper side of the detection probe 13 and the probe top 14 extend to the interior of the pipeline 1, and then when the liquid flows through the pipeline 1, the detection probe 13 and the probe top 14 will detect the flow, and then the detection result is transmitted to the display instrument 4 through the junction box 7, the socket 8, the plug 10 and the waterproof and cold-resistant cable 9, and then the display instrument 4 can display the measurement data such as the liquid level, flow rate, flow rate, and cumulative flow rate. In this way, the non-full pipe flowmeter can be directly installed without modifying the pipeline 1 on site, so that the installation and use of the non-full pipe flowmeter is relatively convenient, and the accuracy of the liquid flow measurement in the pipeline 1 is ensured.

[0034] Furthermore, the detection probe 13 is made of ABS material and is manufactured through a 3D printing process so that it can be immersed in various fluids for a long time and has stable physical and chemical properties. The top 14 of the probe is an arc-shaped smooth surface with a guide groove designed in the middle to ensure that when the liquid flows through the probe surface, the streamline does not produce boundary layer separation and tail eddy current that affect the measurement. The flow velocity detection electrodes are located at symmetrical positions on both sides of the guide groove on the top of the probe to ensure that the axes of the two electrodes are perpendicular to the liquid flow direction. The detection electrode is made of 316L and has a conical head. On the one hand, it reduces the wear caused by liquid impact, and on the other hand, it reduces the surface adhesion of impurities in the fluid to the detection electrode. The excitation system is located in the cabin inside the probe and is composed of a copper coil winding, an iron core, a yoke and a clamp. Corresponding positioning holes are designed inside the probe to ensure the relative position and matching accuracy of the upper components after assembly, ensuring the uniformity and stability of the working magnetic field provided by the excitation system.

[0035] Working principle: During operation, the staff inserts the detection probe 13 into the interior of the connecting pipe 5, and then aligns the second bolt holes 12 on the second flange 6 and the third flange 11 at the same time, and then inserts the bolt 16 into the interior of the second bolt hole 12, and then the nut 17 is threadedly connected with the bolt 16, and then the second flange 6 and the third flange 11 are connected, and at the same time the rubber pad 15 is in contact with the upper side of the second flange 6, so that the sealing is improved, and then the upper side of the detection probe 13 and the probe top 14 extend to the interior of the pipe 1, and then when the liquid flows through the pipe 1, the detection probe 13 and the probe top 14 will detect the flow, and then the detection result is transmitted to the display instrument 4 through the junction box 7, the socket 8, the plug 10 and the waterproof and cold-resistant cable 9, and then the display instrument 4 can display the measurement data such as liquid level, flow rate, flow rate, and cumulative flow rate.

[0036] The detection probe 13 is made of ABS material and is formed by 3D printing technology. It can be immersed in various fluids for a long time and has stable physical and chemical properties. The top 14 of the probe is an arc-shaped smooth surface with a guide groove in the middle to ensure that when the liquid flows through the probe surface, the streamline does not produce boundary layer separation and tail eddy current that affect the measurement. The flow rate detection electrode is located at a symmetrical position on both sides of the guide groove on the top of the probe to ensure that the axes of the two electrodes are perpendicular to the liquid flow direction. The detection electrode is made of 316L and the head is in the form of a cone. On the one hand, it reduces the wear caused by liquid impact, and on the other hand, it reduces the surface adhesion of impurities in the fluid to the detection electrode. The excitation system is located in the cabin inside the probe and consists of a copper coil winding, an iron core, a magnetic yoke and a clamp. Corresponding positioning holes are designed inside the probe to ensure the relative position and matching accuracy of the upper parts after assembly, and to ensure the uniformity and stability of the working magnetic field provided by the excitation system.

[0037] 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.

Claims

1. An insertion type partially full pipe flow meter, comprising a pipe (1), wherein two first flanges (2) are fixedly sleeved on the outer surface of the pipe (1), the two first flanges (2) are arranged on the left and right, and first bolt holes (3) are provided on the left sides of the two first flanges (2); A display instrument (4) is provided on the front side of the pipeline (1), which is characterized by: A connecting pipe (5) is fixedly connected to the lower side of the outer surface of the pipe (1); The connecting pipe (5) is connected to the interior of the pipe (1), and a second flange (6) is fixedly sleeved on the outer surface of the connecting pipe (5); The display instrument (4) is provided with a measuring mechanism, through which the liquid flow rate inside the pipeline (1) can be detected, and the detection result is displayed on the display instrument (4); The measuring mechanism comprises a junction box (7), two sockets (8), two waterproof and cold-resistant cables (9), two plugs (10), a third flange (11), a second bolt hole (12), a detection probe (13), a probe top (14), a rubber pad (15), a bolt (16) and a nut (17).

2. The insertion type partially full pipe flow meter according to claim 1, characterized in that: The junction box (7) is arranged on the lower side of the second flange (6), and the two sockets (8) are fixedly connected to the front side of the outer surface of the junction box (7); The two sockets (8) are arranged on the left and right, and the two waterproof and cold-resistant cables (9) are fixedly connected to the lower side of the display instrument (4).

3. The insertion type partially full pipe flow meter according to claim 1, characterized in that: The two plugs (10) are respectively plugged into the two sockets (8), and the ends of the two waterproof and cold-resistant cables (9) away from the display instrument (4) are respectively fixedly connected to the two plugs (10); The third flange (11) is fixedly sleeved on the outer surface of the junction box (7), and the second bolt holes (12) are respectively opened on the upper sides of the second flange (6) and the third flange (11).

4. The insertion type partially full pipe flow meter according to claim 1, characterized in that: The detection probe (13) is fixedly connected to the upper side of the junction box (7), and the detection probe (13) is made of ABS material; The probe top end (14) is fixedly connected to the upper side of the detection probe (13); the probe top end (14) is an arc-shaped smooth curved surface with a guide groove designed in the middle.

5. The insertion type partially full pipe flow meter according to claim 1, characterized in that: The rubber pad (15) is fixedly connected to the upper side of the third flange (11), and the rubber pad (15) is sleeved on the outer surface of the detection probe (13); The upper side of the rubber pad (15) contacts the lower side of the second flange (6), and the bolts (16) are arranged on the upper side of the second flange (6).

6. The insertion type partially full pipe flow meter according to claim 5, characterized in that: The lower end of the bolt (16) extends out of the lower side of the third flange (11) through the second bolt hole (12); the nut (17) is arranged on the lower side of the third flange (11); and the nut (17) is threadedly connected to the bolt (16).

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