Small process control electromagnetic flowmeter

Abstract

The utility model discloses a small-sized process control electromagnetic flowmeter which comprises a shell, a sensor and a converter, the sensor is arranged in the shell, the converter is arranged on the shell, the sensor comprises a sensor body, a fluid channel is arranged in the length direction of the center of the sensor body, and a sensing assembly is arranged in the middle section of the sensor body. Mounting support legs are arranged at two ends of the sensor body, side circuit boards are connected to two ends of the mounting support legs, the fluid channel comprises a middle channel, two sections of the middle channel are connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are symmetrically arranged at two ends of the middle channel, and screwed joints are arranged at two ends of the shell and are connected with the water inlet pipe and the water outlet pipe. The utility model has the beneficial effects that the design is exquisite, the occupied space is smaller, the sensor is suitable for being installed in a place with a narrow space, in addition, through the compact design, the sizes of the sensor and the converter are reduced, the subtle flow can be monitored, and the metering accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a small process control electromagnetic flow meter. Background Art

[0002] An electromagnetic flowmeter uses the principle of electromagnetic induction to measure the flow rate of a conductive fluid based on the electromotive force induced when the fluid passes through an applied magnetic field. It is widely used in measuring instruments such as water meters.

[0003] In existing electromagnetic flowmeters, the sensor is connected to the fluid channel, and the converter is connected to the sensor through a connecting component. The two are in an inverted T-shape, and the converter is far away from the sensor, so the overall size of the flowmeter is large and it takes up more installation space. In addition, the large flowmeter is not accurate enough in measuring fine flow, resulting in low accuracy of the flowmeter. Utility Model Content

[0004] The purpose of the present utility model is to provide a small process control electromagnetic flowmeter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small process control electromagnetic flowmeter, comprising a housing, a sensor and a converter, the sensor being arranged in the housing, the converter being arranged on the housing, the sensor comprising a sensor body, a fluid channel being provided in the longitudinal direction of the center of the sensor body, a sensing component being provided in the middle section of the sensor body, mounting feet being provided at both ends of the sensor body, side circuit boards being connected at both ends of the mounting feet, the fluid channel comprising an intermediate channel, two sections of the intermediate channel being connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe being symmetrically arranged at both ends of the intermediate channel, and both the water inlet pipe and the water outlet pipe being in a trumpet shape, the narrow openings of the water inlet pipe and the water outlet pipe being connected with the intermediate channel, the sensing component being connected with the intermediate channel, threaded joints being provided at both ends of the housing, and the water inlet pipe and the water outlet pipe being connected with threaded joints.

[0006] Preferably, the converter includes a converter box body, a top circuit board, a button and a display screen, the button is arranged on the top circuit board, and the top end of the button extends through the converter box body to the outside of the converter box body, the top circuit board is arranged in the converter box body, and the display screen is arranged on the converter box body.

[0007] Preferably, the converter has a built-in PLC system.

[0008] Preferably, the sensing component includes a mounting bracket, two groups of magnetic coils and an induction head. The mounting bracket is installed on the sensor body. The two groups of magnetic coils are respectively arranged at the two ends of the inner cavity of the mounting bracket. The mounting bracket includes a first mounting component and a second mounting component. The first mounting component and the second mounting component both include a base plate. The two ends of the base plate are hinged with connecting plates, and the two groups of connections are mutually clamped.

[0009] Preferably, a bracket mounting groove is provided on the opposite side of the sensor body, and the connecting plate is snap-fitted into the bracket mounting groove.

[0010] Preferably, a magnetic coil installation groove is provided on the other side opposite to the sensor body, and the magnetic coils are respectively installed in the magnetic coil installation groove.

[0011] Preferably, a sensor head mounting seat is provided in the bracket mounting groove, and the sensor head is mounted on the sensor head mounting seat.

[0012] Preferably, the housing includes two baffles, a sleeve is provided between the baffles, and the baffles and the sleeve are connected by screws.

[0013] Preferably, the threaded joint and the baffle are integrally formed.

[0014] Preferably, a terminal block is provided on the sleeve.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention arranges the sensor inside the housing and the converter on the housing, so that the flow meter is smaller in size and occupies less space, and is suitable for installation in places with limited space. In addition, by adopting a compact design, the size of the sensor and the converter is reduced, which can monitor relatively fine flow and improve measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the sensor of the utility model;

[0019] Figure 4 This is the structure diagram of the practical sensor body;

[0020] Figure 5 This is a schematic diagram of the mounting bracket of the utility model;

[0021] Figure 6 This is a cross-sectional view of the sensor body of the present utility model. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1 to 6 The utility model provides a technical solution: a small process control electromagnetic flowmeter, including a housing 1, a sensor 2 and a converter 3, the sensor 2 is arranged in the housing 1, and the converter 3 is arranged on the housing 1, the sensor 2 includes a sensor body 21, a fluid channel 22 is provided in the longitudinal direction of the center of the sensor body 21, and a sensing component is provided in the middle section of the sensor body 21, and mounting legs 23 are provided at both ends of the sensor body 21, and the two ends of the mounting legs 23 are connected to the side circuit board 4, the fluid channel 22 includes an intermediate channel 24, and the two sections of the intermediate channel 34 are connected to an inlet pipe 25 and an outlet pipe 26, and the inlet pipe 25 and the outlet pipe 26 are symmetrically arranged at both ends of the intermediate channel 22, and the inlet pipe 25 and the outlet pipe 26 are both in a trumpet shape, and the narrow openings of the inlet pipe 25 and the outlet pipe 26 are connected to the intermediate channel 22, and the sensing component is connected to the intermediate channel 22, and threaded joints 11 are provided at both ends of the housing 1, and the inlet pipe 25 and the outlet pipe 26 are both connected with threaded joints 11.

[0024] Specifically, the converter 3 includes a converter box body 31, a top circuit board 32, a button 33 and a display screen 34. The button 33 is arranged on the top circuit board 32, and the top end of the button 33 passes through the converter box body 31 and extends to the outside of the converter box body 31. The top circuit board 32 is arranged in the converter box body 31, and the display screen 34 is arranged on the converter box body 31.

[0025] Specifically, the converter 3 has a built-in PLC system.

[0026] Specifically, the sensing assembly includes a mounting bracket 5, a magnetic coil 6, and an induction head 7. The mounting bracket 5 is mounted on the sensor body 31, and the magnetic coil 6 is provided on the mounting bracket 5. The magnetic coil 6 is provided in two sets, one at each end of the mounting bracket 5's inner cavity. The mounting bracket 5 includes a first mounting assembly and a second mounting assembly. Each of the first and second mounting assemblies includes a base plate 51. Connecting plates 52 are hingedly connected at both ends of the base plate 51, and the two sets of connecting plates 52 are interlocked. This makes the mounting bracket 5 easy to disassemble as a whole, and eliminates the need for additional screws or other fasteners during installation, making installation convenient.

[0027] Specifically, a bracket mounting groove 27 is provided on the opposite side of the sensor body 21, and the connecting plate 52 is snapped into the bracket mounting groove 27. The bracket mounting groove 27 can prevent the mounting bracket 5 from moving, and the outer wall of the connecting plate 52 can also be flush with the sensor body 21, making the entire utility model more compact and space-saving.

[0028] Specifically, a magnetic coil installation groove 28 is provided on the other side opposite to the sensor body 21 , and the magnetic coils 6 are respectively installed in the magnetic coil installation groove 28 .

[0029] Specifically, a sensor head mounting seat 29 is provided within the bracket mounting slot 27, and the sensor head 7 is mounted on the sensor head mounting seat 29. The top of the sensor head 7 is smooth and umbrella-shaped. After passing through the sensor body 21 and the side walls of the fluid channel 22, the top slightly extends to the inner wall of the fluid channel 22. In other words, the bottom edge of the umbrella-shaped top is connected to the inner wall of the fluid channel 22. When water flows through the fluid channel 22, the top of the sensor head 7 can keenly sense the water flow.

[0030] Specifically, the housing 1 includes two baffles 12 , a sleeve 13 is provided between the baffles 12 , and the baffles 12 and the sleeve 13 are connected by screws.

[0031] Specifically, the threaded joint 11 and the baffle 12 are integrally formed.

[0032] Specifically, a terminal head 14 is provided on the sleeve 13 .

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small process control electromagnetic flowmeter, characterized in that: It includes a shell, a sensor and a converter, the sensor is arranged in the shell, the converter is arranged on the shell, the sensor includes a sensor body, a fluid channel is provided in the longitudinal direction of the center of the sensor body, the middle section of the sensor body is provided with a sensing component, both ends of the sensor body are provided with mounting feet, both ends of the mounting feet are connected to side circuit boards, the fluid channel includes an intermediate channel, the two sections of the intermediate channel are connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are symmetrically arranged at both ends of the intermediate channel, and the water inlet pipe and the water outlet pipe are both in a trumpet shape, the narrow mouth of the water inlet pipe and the water outlet pipe are connected to the intermediate channel, the sensing component is connected to the intermediate channel, threaded joints are provided at both ends of the shell, and the water inlet pipe and the water outlet pipe are both connected with threaded joints.

2. A small process control electromagnetic flowmeter according to claim 1, characterized in that: The converter includes a converter box body, a top circuit board, a button and a display screen. The button is arranged on the top circuit board, and the top end of the button extends through the converter box body to the outside of the converter box body. The top circuit board is arranged in the converter box body, and the display screen is arranged on the converter box body.

3. The small process control electromagnetic flowmeter according to claim 2, characterized in that: The converter has a built-in PLC system.

4. The small process control electromagnetic flowmeter according to claim 3, characterized in that: The sensing component includes a mounting bracket, two groups of magnetic coils and an induction head. The mounting bracket is installed on the sensor body. The two groups of magnetic coils are respectively arranged at the two ends of the inner cavity of the mounting bracket. The mounting bracket includes a first mounting component and a second mounting component. The first mounting component and the second mounting component both include a base plate. The two ends of the base plate are hinged with connecting plates, and the two groups are connected to each other.

5. The small process control electromagnetic flowmeter according to claim 4, characterized in that: A bracket installation groove is provided on one side opposite to the sensor body, and the connecting plate is clamped in the bracket installation groove.

6. The small process control electromagnetic flowmeter according to claim 5, characterized in that: A magnetic coil installation groove is provided on the other side opposite to the sensor body, and the magnetic coils are respectively installed in the magnetic coil installation groove.

7. The small process control electromagnetic flowmeter according to claim 6, characterized in that: An induction head mounting seat is provided in the bracket mounting groove, and the induction head is mounted on the induction head mounting seat.

8. The small process control electromagnetic flowmeter according to claim 1, characterized in that: The housing comprises two baffles, a sleeve is arranged between the baffles, and the baffles and the sleeve are connected by screws.

9. The small process control electromagnetic flowmeter according to claim 8, characterized in that: The threaded joint and the baffle are integrally formed.

10. The small process control electromagnetic flowmeter according to claim 9, characterized in that: The sleeve is provided with a wiring head.

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