CN210375244U

CN210375244U - High-maintenance right-angle electromagnetic flowmeter

Info

Publication number: CN210375244U
Application number: CN201921414863.8U
Authority: CN
Inventors: 胡建田; 范叔晋; 范建玲; 范叔卫; 陈福钏; 汪剑英; 白帆; 范叔妙; 范叔慈; 刘源
Original assignee: Zhejiang Aoxin Instrument Co Ltd
Current assignee: Zhejiang Aoxin Instrument Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-21
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a high-maintenance type right angle electromagnetic flowmeter, including the flowmeter main casing body, flowmeter main casing body lower extreme can be dismantled and be provided with first sensor, flowmeter main casing body upper right end can be dismantled and be provided with the second sensor, the flowmeter main casing body is provided with a return bend in putting the thing cavity, be provided with the right angle runner in the return bend, the embedded first fluoroplastics lining survey buret that is provided with of first sensor, be provided with first measurement passageway in the first fluoroplastics lining survey buret, first measurement passageway local position is provided with first sensor electrode, the embedded first ceramic survey buret that is provided with of embedded second sensor, be provided with the second in the first ceramic survey buret and measure the passageway, the diameter of right angle runner is the same with the diameter of second measurement passageway, the diameter of first measurement passageway. Above-mentioned technical scheme, structural design is reasonable, simple structure, sealing performance are good, long service life, can improve measurement accuracy and range ratio, maintain convenient operation and the practicality is good.

Description

High-maintenance right-angle electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter technical field, concretely relates to high maintenance type right angle electromagnetic flowmeter.

Background

Accurate flow measurement is an important field of automatic control and is a difficult problem that an automatic engineer needs to take great effort to continuously solve. The problems of non-full pipe, low small flow precision, small measuring range, serious high pressure difference scouring damage and the like are particularly difficult problems for a long time, and meanwhile, the requirement of a user on the maintainability of the instrument is higher and higher. However, the existing right-angle electromagnetic flow meter has the following defects: the structure design is unreasonable, the structure is complicated, the measuring accuracy is low, the range ratio is small, the leakage is easy, the service life is short, the maintenance and the operation are troublesome, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a structural design is reasonable, simple structure, sealing performance are good, long service life, can improve measurement accuracy and range ratio, maintain the high maintenance type right angle electromagnetic flowmeter that convenient operation and practicality are good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-maintenance right-angle electromagnetic flowmeter comprises a flowmeter main shell, wherein a first sensor is detachably arranged at the lower end of the flowmeter main shell, a second sensor is detachably arranged at the upper right end of the flowmeter main shell, a storage cavity is arranged in the flowmeter main shell, a bent pipe is arranged in the storage cavity, a right-angle flow passage is arranged in the bent pipe, and the upper end of the bent pipe is bent towards the right by 90 degrees; a first measuring pipe hole is formed in the first sensor, a first fluoroplastic lining measuring pipe is embedded in the first measuring pipe hole, a first measuring channel is formed in the first fluoroplastic lining measuring pipe, a first sensor electrode is arranged at the local position of the first measuring channel, and the upper end of the first fluoroplastic lining measuring pipe is connected with the lower end of the bent pipe; be provided with the second in the second sensor and measure the pipe hole, the embedded first pottery that is provided with of second survey buret surveys buret, be provided with the second in the first pottery surveys buret and measure the passageway, be provided with second sensor electrode in the second survey passageway, first survey passageway, right angle runner and second survey the passageway and communicate with each other, the diameter of right angle runner is the same with the diameter of second survey passageway, the diameter of first survey passageway is greater than the diameter of right angle runner.

The utility model discloses further set up to: the left upper end bending part of the elbow is integrally provided with an elbow inclined plane boss, and the left upper end of the elbow inclined plane boss is provided with a first positioning inclined plane.

The utility model discloses still further set up to: the flowmeter main casing upper end can be dismantled and be provided with the table lid, table lid lower extreme an organic whole is provided with table lid inclined plane boss, table lid inclined plane boss right side lower extreme be provided with the second location inclined plane that first location inclined plane matches, second location inclined plane compresses tightly first location inclined plane.

The utility model discloses still further set up to: an electromagnetic flow converter is detachably arranged on the upper end face of the meter cover.

The utility model discloses still further set up to: first sensor still includes the first sensor table body, first excitation winding subassembly and the first sensor table body shell, first excitation winding subassembly cover is established at the first sensor electrode position of first sensor table body installation, and first excitation winding subassembly and the first sensor table body can be dismantled and be connected, first sensor table body shell cover is established outside first excitation winding subassembly, and first sensor table body shell upper end and flowmeter main casing body lower extreme are connected, first sensor table body shell lower extreme and first sensor table body coupling.

The utility model discloses still further set up to: the second sensor still includes second sensor table body, second sensor excitation winding subassembly and second sensor table body lid, second sensor excitation winding subassembly cover is established on first pottery surveys buret surface, and second sensor excitation winding subassembly is located second sensor electrode position, second sensor table body left end can be dismantled with the right-hand member of the main casing body of flowmeter and be connected, and second sensor table body right-hand member can be dismantled with second sensor table body lid and be connected.

The utility model discloses still further set up to: the meter cover is provided with a meter cover screw in a penetrating mode, a first meter cover sealing ring is arranged between the meter cover and the flowmeter main shell body, the meter cover is locked through the meter cover screw, and the meter cover is sealed through the first meter cover sealing ring and the flowmeter main shell body.

The utility model discloses still further set up to: a first bent pipe sealing ring is arranged between the lower end of the bent pipe and the first sensor meter body, and the bent pipe is sealed with the first sensor meter body through the first bent pipe sealing ring; and a second elbow sealing ring is arranged between the elbow and the first ceramic measuring pipe, and the elbow is sealed with the first ceramic measuring pipe through the second elbow sealing ring.

The utility model discloses still further set up to: the upper end of the first sensor meter body is fixedly connected with the lower end of the main shell of the flowmeter through threads; the left end of the second sensor meter body is fixedly connected with the right end of the main casing of the flowmeter through threads.

The utility model discloses still further set up to: a first anti-rotation screw is arranged at the threaded connection part of the first sensor meter body and the lower end of the main shell of the flowmeter; and a second anti-rotation screw is arranged at the threaded connection part of the second sensor meter body and the right end of the main flowmeter shell.

The utility model has the advantages that: compared with the prior art, the utility model has more reasonable structure, the utility model designs two flow pipelines with different diameters, the measuring tube of the first sensor adopts a fluoroplastic lining, which is suitable for measuring large flow and is suitable for low-speed range fluid; the measuring tube of the second sensor adopts a ceramic lining, correspondingly measures small flow, can improve the flow velocity value and precision in small flow, and improves the precision and range ratio of the instrument; the right-angle flow channel of the bent pipe is adopted, so that the flow direction of the fluid is ensured to be vertical and upward, and the problem that the horizontal pipeline is full of pipes and is difficult to achieve is solved; the first positioning inclined plane of the bent pipe inclined plane boss is pressed tightly through the second positioning inclined plane of the meter cover to generate downward and rightward sealing force, so that fluid media between the first sensor and the second sensor cannot leak out; the first sensor meter body is connected with the lower end of the main shell of the flowmeter through threads and is provided with a first anti-rotation screw; the second sensor meter body is connected with the right end of the main flowmeter shell through threads, and a second anti-rotation screw is arranged on the second sensor meter body; after the 90-degree bent pipe and the meter cover are detached, the meter can be maintained easily, and the requirement of a user on high maintainability of the meter is met. The whole high-maintenance right-angle electromagnetic flowmeter is reasonable in structural design, simple in structure, good in sealing performance, long in service life, capable of improving the measurement precision and the range ratio, convenient to maintain and operate and good in practicability.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, the utility model discloses a high-maintenance right angle electromagnetic flowmeter, including flowmeter main casing 1, flowmeter main casing 1 lower extreme can be dismantled and be provided with first sensor 2, flowmeter main casing 1 upper right end can be dismantled and be provided with second sensor 3, be provided with one in the flowmeter main casing 1 and put thing cavity 11, it is provided with a return bend 4 in the thing cavity 11 to put, be provided with right angle runner 41 in the return bend 4, the return bend 4 upper end is towards the right side 90 degrees of bending; a first measuring pipe hole 21 is formed in the first sensor 2, a first fluoroplastic lining measuring pipe 22 is embedded in the first measuring pipe hole 21, a first measuring channel 221 is formed in the first fluoroplastic lining measuring pipe 22, a first sensor electrode 23 is arranged at a local position of the first measuring channel 221, and the upper end of the first fluoroplastic lining measuring pipe 22 is connected with the lower end of the elbow pipe 4; be provided with second measurement tube hole 31 in the second sensor 3, the embedded first pottery of being provided with of second measurement tube hole 31 measures buret 32, be provided with second measurement channel 321 in the first pottery measurement tube 32, be provided with second sensor electrode 33 in the second measurement channel 321, first measurement channel 221, right angle runner 41 and second measurement channel 321 communicate with each other, the diameter of right angle runner 41 is the same with the diameter of second measurement channel 321, the diameter of first measurement channel 221 is greater than the diameter of right angle runner 41.

Preferably, the bent portion of the left upper end of the bent pipe 4 is integrally provided with a bent pipe inclined plane boss 42, and the left upper end of the bent pipe inclined plane boss 42 is provided with a first positioning inclined plane 421.

The flowmeter main casing body 1 upper end can be dismantled and be provided with

table lid

5, 5 lower extremes of table lid an organic whole are provided with table lid inclined plane boss 51, table lid inclined plane boss 51 right side lower extreme be provided with second location inclined plane 511 that first location inclined plane 421 matches, second location inclined plane 511 compresses tightly first location inclined plane 421.

For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment can dismantle on the up end of table lid 5 and be provided with electromagnetic flow converter 6.

Preferably, the lower end of the electromagnetic flow converter 6 is fixed to the upper end surface of the meter cover 5 by screws.

First sensor 2 still includes first sensor table body 24, first excitation winding subassembly 25 and first sensor table body shell 26, first excitation winding subassembly 25 cover is established at first sensor table body 24 installation first sensor electrode 23 position, and first excitation winding subassembly 25 can dismantle with first sensor table body 24 and be connected, first sensor table body shell 26 cover is established outside first excitation winding subassembly 25, and first sensor table body shell 26 upper end is connected with main casing body 1 lower extreme, and first sensor table body shell 26 lower extreme is connected with first sensor table body 24. Preferably, the first field winding assembly 25 is fixed to the outer surface of the first sensor body 24 by screws.

Second sensor 3 still includes second sensor table body 34, second sensor excitation winding subassembly 35 and second sensor table body lid 36, second sensor excitation winding subassembly 35 cover is established on first pottery surveys buret 32 surface, and second sensor excitation winding subassembly 35 is located second sensor electrode 33 position, second sensor table body 34 left end can be dismantled with the right-hand member of the main casing body 1 of flowmeter and be connected, and second sensor table body 34 right-hand member can be dismantled with second sensor table body lid 36 and be connected.

The utility model discloses a flowmeter is characterized in that wear to be equipped with table lid screw 7 on the table lid 5, be provided with first table lid sealing washer 8 between table lid 5 and the flowmeter main casing body 1, table lid 5 passes through table lid screw 7 locking, and constitutes between table lid 5 and the flowmeter main casing body 1 through first table lid sealing washer 8 and seal.

A first elbow sealing ring 9 is arranged between the lower end of the elbow 4 and the first sensor meter body 24, and the elbow 4 forms a seal with the first sensor meter body 24 through the first elbow sealing ring 9; a second elbow sealing ring 10 is arranged between the elbow 4 and the first ceramic measuring pipe 32, and the elbow 4 is sealed by the second elbow sealing ring 10 and the first ceramic measuring pipe 32.

The upper end of the first sensor meter body 24 is fixedly connected with the lower end of the flowmeter main shell 1 through threads; the left end of the second sensor meter body 34 is fixedly connected with the right end of the flowmeter main shell 1 through threads. The right end of the second sensor meter body 34 is fixed to the second sensor meter body cover 36 by screws.

A first anti-rotation screw 12 is arranged at the threaded connection part of the first sensor body 24 and the lower end of the flowmeter main shell 1; and a second anti-rotation screw 13 is arranged at the threaded connection part of the second sensor meter body 34 and the right end of the flowmeter main shell body 1.

In practical application, the utility model designs two flow pipelines with different diameters, the measuring tube of the first sensor adopts fluoroplastic lining, which corresponds to the large flow measurement and is suitable for the fluid in the low speed range; the measuring tube of the second sensor adopts a ceramic lining, correspondingly measures small flow, can improve the flow velocity value and precision in small flow, and improves the precision and range ratio of the instrument; the right-angle flow channel of the bent pipe is adopted, so that the flow direction of the fluid is ensured to be vertical and upward, and the problem that the horizontal pipeline is full of pipes and is difficult to achieve is solved; the first positioning inclined plane of the bent pipe inclined plane boss is pressed tightly through the second positioning inclined plane of the meter cover to generate downward and rightward sealing force, so that fluid media between the first sensor and the second sensor cannot leak out; the first sensor meter body is connected with the lower end of the main shell of the flowmeter through threads and is provided with a first anti-rotation screw; the second sensor meter body is connected with the right end of the main flowmeter shell through threads, and a second anti-rotation screw is arranged on the second sensor meter body; after the 90-degree bent pipe and the meter cover are detached, the meter can be maintained easily, and the requirement of a user on high maintainability of the meter is met. The whole high-maintenance right-angle electromagnetic flowmeter is reasonable in structural design, simple in structure, good in sealing performance, long in service life, capable of improving the measurement precision and the range ratio, convenient to maintain and operate and good in practicability.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. The utility model provides a high maintenance type right angle electromagnetic flowmeter, includes the flowmeter main casing body (1), flowmeter main casing body (1) lower extreme can be dismantled and be provided with first sensor (2), its characterized in that: the flowmeter is characterized in that a second sensor (3) is detachably arranged at the upper right end of the flowmeter main shell (1), a storage cavity (11) is arranged in the flowmeter main shell (1), a bent pipe (4) is arranged in the storage cavity (11), a right-angle flow passage (41) is arranged in the bent pipe (4), and the upper end of the bent pipe (4) is bent towards the right by 90 degrees; a first measuring pipe hole (21) is formed in the first sensor (2), a first fluoroplastic lining measuring pipe (22) is embedded in the first measuring pipe hole (21), a first measuring channel (221) is formed in the first fluoroplastic lining measuring pipe (22), a first sensor electrode (23) is arranged at the local position of the first measuring channel (221), and the upper end of the first fluoroplastic lining measuring pipe (22) is connected with the lower end of the bent pipe (4); be provided with second measuring tube hole (31) in second sensor (3), embedded first pottery that is provided with in second measuring tube hole (31) is surveyed buret (32), be provided with second measurement passageway (321) in first pottery measuring tube (32), be provided with second sensor electrode (33) in second measurement passageway (321), first measurement passageway (221), right angle runner (41) and second measurement passageway (321) communicate with each other, the diameter of right angle runner (41) is the same with the diameter of second measurement passageway (321), the diameter of first measurement passageway (221) is greater than the diameter of right angle runner (41).

2. The high maintenance right angle electromagnetic flowmeter of claim 1 wherein: the bending part of the upper left end of the elbow (4) is integrally provided with an elbow inclined plane boss (42), and the upper left end of the elbow inclined plane boss (42) is provided with a first positioning inclined plane (421).

3. The high maintenance right angle electromagnetic flowmeter of claim 2 wherein: flowmeter main casing body (1) upper end can be dismantled and be provided with table lid (5), table lid (5) lower extreme an organic whole is provided with table lid inclined plane boss (51), table lid inclined plane boss (51) right side lower extreme be provided with second location inclined plane (511) that first location inclined plane (421) match, second location inclined plane (511) compress tightly first location inclined plane (421).

4. A high maintenance right angle electromagnetic flowmeter according to claim 3 wherein: an electromagnetic flow converter (6) is detachably arranged on the upper end face of the meter cover (5).

5. The high maintenance right angle electromagnetic flowmeter of claim 4 wherein: first sensor (2) still include first sensor table body (24), first excitation winding subassembly (25) and first sensor table body shell (26), first excitation winding subassembly (25) cover is established at first sensor table body (24) first sensor electrode of installation (23) position, and first excitation winding subassembly (25) and first sensor table body (24) can be dismantled and be connected, first sensor table body shell (26) cover is established outside first excitation winding subassembly (25), and first sensor table body shell (26) upper end is connected with flowmeter main casing body (1) lower extreme, and first sensor table body shell (26) lower extreme is connected with first sensor table body (24).

6. The high maintenance right angle electromagnetic flowmeter of claim 5 wherein: second sensor (3) still include second sensor table body (34), second sensor excitation winding subassembly (35) and second sensor table body lid (36), second sensor excitation winding subassembly (35) cover is established on first pottery surveys buret (32) surface, and second sensor excitation winding subassembly (35) are located second sensor electrode (33) position, second sensor table body (34) left end can be dismantled with the right-hand member of the main casing body of flowmeter (1) and be connected, and second sensor table body (34) right-hand member can be dismantled with second sensor table body lid (36) and be connected.

7. A high maintenance right angle electromagnetic flowmeter according to claim 3 wherein: wear to be equipped with table lid screw (7) on table lid (5), be provided with first table lid sealing washer (8) between table lid (5) and the flowmeter main casing body (1), table lid (5) are locked through table lid screw (7), and constitute between table lid (5) and the flowmeter main casing body (1) through first table lid sealing washer (8) and seal.

8. The high maintenance right angle electromagnetic flowmeter of claim 5 wherein: a first elbow sealing ring (9) is arranged between the lower end of the elbow (4) and the first sensor meter body (24), and the elbow (4) is sealed with the first sensor meter body (24) through the first elbow sealing ring (9); be provided with second return bend sealing washer (10) between return bend (4) and first pottery survey buret (32), and return bend (4) constitute sealedly between second return bend sealing washer (10) and first pottery survey buret (32).

9. The high maintenance right angle electromagnetic flowmeter of claim 6 wherein: the upper end of the first sensor meter body (24) is fixedly connected with the lower end of the flowmeter main shell (1) through threads; the left end of the second sensor meter body (34) is fixedly connected with the right end of the flowmeter main shell (1) through threads.

10. The high maintenance right angle electromagnetic flowmeter of claim 9 wherein: a first anti-rotation screw (12) is arranged at the threaded connection part of the first sensor meter body (24) and the lower end of the flowmeter main shell (1); and a second anti-rotation screw (13) is arranged at the threaded connection part of the second sensor meter body (34) and the right end of the flowmeter main shell (1).