Sensor of process control small electromagnetic flowmeter

Abstract

The utility model discloses a process control miniature electromagnetic flowmeter sensor which comprises a shell, a magnet yoke wire mounting rack is arranged in the middle of the shell, sealing baffles are arranged at the two ends of the shell, an EPC flat cable fixing hole and a temperature electrode are arranged in the shell, a rectification flow guide pipe is arranged in the center of the shell, and the temperature electrode is arranged in the rectification flow guide pipe. And a flow measuring electrode is arranged at the center of the rectification flow guide pipe. Compared with the prior art, the flow meter has the beneficial effects that the flow measuring electrode and the rectification flow guide tube are arranged, so that micro flow can be detected, and the detection accuracy is improved; the utility model has the advantages of simple structure and small volume, and is suitable for tiny pipelines.

Description

Technical Field

[0001] The utility model relates to the technical field of flowmeters, in particular to a sensor for a small electromagnetic flowmeter for process control. Background Art

[0002] Electromagnetic flowmeters (EMF for short) are new flow measurement instruments that developed rapidly in the 1950s and 1960s with the development of electronic technology. Electromagnetic flowmeters are instruments that use the principle of electromagnetic induction to measure the flow of conductive fluids based on the electromotive force induced when the conductive fluid passes through an external magnetic field.

[0003] However, the sensors of the flow monitors in the prior art cannot detect tiny flows, and have complex structures and high production costs. Utility Model Content

[0004] The utility model aims to provide a sensor for a small electromagnetic flowmeter for process control, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sensor for a small electromagnetic flowmeter for process control, comprising a shell, a yoke wire mounting frame is provided in the middle of the shell, sealing baffles are provided at both ends of the shell, EPC cable fixing holes and temperature electrodes are provided in the shell, a rectifying guide tube is provided in the center of the shell, and a flow measurement electrode is provided in the center of the rectifying guide tube.

[0006] Preferably, the rectifying and guiding duct comprises a left duct and a right duct, the left duct and the right duct are both trumpet-shaped, and the tips of the left duct and the right duct are arranged opposite to each other.

[0007] Preferably, the flow measurement electrode is arranged between the left conduit and the right conduit.

[0008] Preferably, a guide groove is provided on the shell.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the utility model can detect tiny flows and improve detection accuracy by arranging flow measurement electrodes and rectifying flow guide tubes; the utility model has a simple structure and a small size and is suitable for use in tiny pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0012] Figure 3This is a schematic diagram of the flow detection electrode structure of the utility model.

[0013] In the figure: 1. Shell; 2. Yoke wire mounting frame; 3. Sealing baffle; 4. EPC cable fixing hole; 5. Temperature electrode; 6. Rectifier guide tube; 61. Left conduit; 62. Right conduit; 7. Flow measurement electrode. DETAILED DESCRIPTION

[0014] 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.

[0015] See also Figures 1 to 3 The utility model provides a technical solution: a sensor for a small electromagnetic flowmeter for process control, comprising a shell 1, a yoke wire mounting frame 2 is provided in the middle of the shell 1, sealing baffles 3 are provided at both ends of the shell 1, an EPC cable fixing hole 4 and a temperature electrode 5 are provided in the shell 1, a rectifying guide tube 6 is provided in the center of the shell 1, and a flow measurement electrode 7 is provided in the center of the rectifying guide tube 6.

[0016] Specifically, the rectifying guide tube 6 includes a left guide tube 61 and a right guide tube 62 . Both the left guide tube 61 and the right guide tube 62 are trumpet-shaped, and the tips of the left guide tube 61 and the right guide tube 62 are arranged opposite to each other.

[0017] Specifically, the flow measurement electrode 7 is disposed between the left conduit 61 and the right conduit 62 .

[0018] Specifically, a guide groove 8 is provided on the housing 1 .

[0019] 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. A sensor for a small electromagnetic flowmeter for process control, comprising a housing, characterized in that: A yoke wire mounting frame is provided in the middle of the shell, sealing baffles are provided at both ends of the shell, an EPC cable fixing hole and a temperature electrode are provided in the shell, a rectifying flow guide tube is provided in the center of the shell, and a flow measurement electrode is provided in the center of the rectifying flow guide tube.

2. The sensor of a small electromagnetic flowmeter for process control according to claim 1, characterized in that: The rectifying guide tube comprises a left guide tube and a right guide tube, both of which are trumpet-shaped, and the tips of the left guide tube and the right guide tube are arranged opposite to each other.

3. The sensor of a small electromagnetic flowmeter for process control according to claim 2 is characterized in that: The flow measurement electrode is arranged between the left conduit and the right conduit.

4. The sensor of a small electromagnetic flowmeter for process control according to claim 3 is characterized in that: The shell is provided with a guide groove.

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