CN219161391U

CN219161391U - Visible orifice plate flowmeter

Info

Publication number: CN219161391U
Application number: CN202320173402.6U
Authority: CN
Inventors: 雷雨; 仵振喜
Original assignee: Xi'an Jingzhun Electron Co ltd
Current assignee: Xi'an Jingzhun Electron Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-09
Anticipated expiration: 2033-02-10

Abstract

The application relates to the field of flowmeters, in particular to a visible orifice plate flowmeter, which comprises a measuring tube, a flow computer, a pressure taking tube, a mounting plate, a rotating rod, a rotating drum, a display screen and a fixing assembly, wherein the measuring tube is arranged on the outer side of the rotating drum; the mounting disc is connected to one end of the flow computer, which is far away from the measuring tube, the end of the mounting disc, which is far away from the flow computer, is connected with two lug plates, the axial two ends of the rotating rod are respectively connected to the two lug plates, the rotating drum is fixedly connected to the display screen, and the rotating drum is sleeved on the rotating rod and is rotationally connected with the rotating rod; the display screen is electrically connected with the flow computer. Through adopting above-mentioned technical scheme, flow computer is according to the flow data of the intraductal medium of pressure difference calculation of orifice plate both sides to show on the display screen, adjust the display screen angle according to the mounted position of orifice plate flowmeter, make the display screen towards observing the position setting, and utilize fixed subassembly to fix the display screen, thereby be convenient for the staff observe the registration of orifice plate flowmeter.

Description

Visible orifice plate flowmeter

Technical Field

The present application relates to the field of flowmeters, and more particularly to a visual orifice plate flowmeter.

Background

Flow meters are one of the most important meters in industrial measurements. With the development of industry, the accuracy and range of liquid flow measurement are increasingly required, and various types of flowmeters are sequentially developed to adapt to various purposes, so that the flowmeter is widely applied to industries such as petroleum, natural gas, petrochemical industry, water treatment, food and beverage, pharmacy, energy, metallurgy, pulp and paper, building materials and the like.

The orifice plate flowmeter comprises an orifice plate and a pressure transmitter, wherein the orifice plate is arranged in a pipeline, when fluid filled in the pipeline flows through the orifice plate, local contraction is generated, the flow beam is concentrated, the flow speed is increased, the static pressure is reduced, a static pressure difference is generated between the front part and the rear part of the orifice plate, a pressure guiding pipe connected with the pressure transmitter is connected with the two sides of the orifice plate, and the pressure transmitter can deduce the relation between the pressure difference and the flow according to the flow continuity principle and Bernoulli equation to obtain the flow.

Patent document of application number 202120494593.7 discloses a orifice flowmeter, and it includes two orifice plate bodies, and the central point of orifice plate body puts fixedly and is equipped with the connection orifice plate, two the intermediate position of connection orifice plate outer wall one side is all fixed and is equipped with first go-between, two the equal block of inner wall of first go-between is equipped with the impulse pipe, two the equal cover of one end of impulse pipe is equipped with the second go-between, two the equal block of inner wall of second go-between is equipped with the flow monitoring table, just the both ends of flow monitoring table bottom outer wall respectively with the inner wall threaded connection of two second go-between.

Above-mentioned orifice plate flowmeter, its flow monitor is fixed in on the second go-between, because the mounted position of some orifice plate flowmeters is higher or lower, when being fixed in the pipeline with orifice plate flowmeter, its flow monitor's panel orientation is also fixed thereupon, needs the observer to just observe the suggestion number on the flow monitor with the help of the ladder or squat down sometimes, and is very inconvenient.

Disclosure of Invention

To facilitate viewing the indicia of the flow monitor, the present application provides a visual orifice plate flowmeter.

The application provides a visual orifice plate flowmeter adopts following technical scheme:

the utility model provides a visual orifice plate flowmeter, includes survey pipe, flow computer and two pressure-taking pipes, be equipped with the orifice plate in the survey pipe, the axial both ends of survey pipe all are equipped with flange, flow computer connect in survey pipe is last, two pressure-taking pipes are located respectively the axial both ends of orifice plate, pressure-taking pipe one end with survey pipe intercommunication, the other end with flow computer connects, still includes mounting disc, dwang, rotary drum, display screen and fixed subassembly;

the mounting disc is connected to one end, far away from the measuring tube, of the flow computer, two lug plates are connected to one end, far away from the flow computer, of the mounting disc, and the two lug plates are arranged in parallel;

the two axial ends of the rotating rod are respectively connected to the two lug plates;

the rotary drum is fixedly connected to the display screen, coaxially sleeved on the rotating rod and rotationally connected with the rotating rod;

the display screen is electrically connected with the flow computer;

the fixing component is connected with the lug plate and used for fixing the rotary drum.

Through adopting above-mentioned technical scheme, flow computer is according to the flow data of the intraductal medium of pressure difference calculation of orifice plate both sides to show on the display screen, adjust the display screen angle according to the mounted position of orifice plate flowmeter, make the display screen towards observing the position setting, and utilize fixed subassembly to fix the display screen, thereby be convenient for the staff observe the registration of orifice plate flowmeter.

In a specific embodiment, the securing assembly includes a compression ring, a compression spring, and a guide rod;

the supporting ring is sleeved at one end of the rotating rod and is in sliding connection with the rotating rod, and one end of the supporting ring can be supported tightly with one end of the rotating cylinder;

the compression spring is sleeved on the rotating rod, one end of the compression spring is abutted against the abutting ring, and the other end of the compression spring is abutted against the lug plate;

one end of the guide rod is connected with one end, far away from the rotary drum, of the supporting ring, and the other end of the guide rod penetrates through the lug plate and is in sliding connection with the lug plate.

Through adopting above-mentioned technical scheme, support the ring and slide to the one side that is close to the rotary drum under compression spring's effect, until support the ring and support tightly with the rotary drum to prevent the rotary drum rotation with the help of frictional force, and then realize the fixed position of display screen.

In a specific embodiment, the mounting plate is rotatably coupled to the flow computer;

the mounting plate is characterized by further comprising a limiting piece, wherein the limiting piece is connected with the mounting plate and used for limiting the position of the mounting plate.

By adopting the technical scheme, the mounting plate drives the display screen to rotate so as to achieve the purpose of further adjusting the angle of the display screen.

In a specific embodiment, the stop comprises a stop bolt;

one end of the limit bolt can penetrate through the mounting disc and tightly support against the flow computer, and the limit bolt is in threaded connection with the mounting disc.

Through adopting above-mentioned technical scheme, limit bolt one end passes the mounting disc and supports tightly with flow computer to inject the position of mounting disc with the help of frictional force.

In a specific embodiment, the device further comprises a temperature sensor;

the temperature sensor is connected to the measuring tube, and the temperature sensor is electrically connected with the display screen.

By adopting the technical scheme, the real-time temperature of the medium in the pipe can be conveniently obtained, and the accuracy of the flow calculation result can be improved.

In a specific embodiment, a visual probe is also included;

the visual probe is connected to the measuring tube, and the visual probe is electrically connected with the display screen.

By adopting the technical scheme, the medium state in the measuring tube can be conveniently and timely acquired, so that the accuracy of the flow calculation result is improved

In a specific embodiment, the display screen includes a left screen, a right screen, and a rotating shaft;

the left screen is rotationally connected with the mounting plate;

the right screen is fixedly connected with the rotating shaft;

the axis of the rotating shaft is parallel to the axis of the mounting plate, and the two axial ends of the rotating shaft are both rotationally connected with the left screen;

the fixing piece is connected with the rotating shaft and used for fixing the position of the rotating shaft.

Through adopting above-mentioned technical scheme, the display screen divide into left screen and right screen to with data information subregion demonstration, and right screen can revolute the rotation axis and rotate, thereby be convenient for adjust the angle of right screen, the staff of being convenient for reads data.

In a specific embodiment, the fastener comprises a fastening nut;

the fixing nut is in threaded connection with one end of the rotating shaft, and one end of the fixing nut can be abutted against the left screen.

Through adopting above-mentioned technical scheme, fixation nut supports tightly with left screen to prevent the pivot rotation with the help of frictional force, and then realize the fixed position of right screen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed visible orifice plate flowmeter is characterized in that a flow computer calculates flow data of medium in a pipe according to pressure difference at two sides of an orifice plate, the flow data is displayed on a display screen, the angle of the display screen is adjusted according to the installation position of the orifice plate flowmeter, the display screen is arranged towards the observation position, and the display screen is fixed by a fixing component, so that staff can observe the indication of the orifice plate flowmeter conveniently;

2. the designed visible orifice plate flowmeter is convenient for acquiring the real-time temperature of the medium in the pipe, and is beneficial to improving the accuracy of the flow calculation result;

3. the visual orifice plate flowmeter of design, the display screen divide into left screen and right screen to with data information subregion demonstration, and right screen can revolute the rotation axis and rotate, thereby be convenient for adjust the angle of right screen, the staff of being convenient for reads data.

Drawings

Fig. 1 is a schematic diagram of a visual orifice plate flowmeter according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Reference numerals illustrate: 1. a measuring tube; 11. an orifice plate; 12. a connecting flange; 13. a pressure taking tube; 2. a flow computer; 3. a mounting plate; 31. a rotating lever; 32. a rotating drum; 33. ear plates; 4. a display screen; 41. a left screen; 42. a right screen; 43. a rotating shaft; 5. a fixing assembly; 51. a tightening ring; 52. a compression spring; 53. a guide rod; 54. an anti-drop cap; 6. a limiting piece; 61. a limit bolt; 7. a temperature sensor; 8. a visual probe; 9. a fixing member; 91. and (5) fixing a nut.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a visual orifice plate flowmeter.

Referring to fig. 1 and 2, a visual orifice plate flowmeter comprises a measuring tube 1, a flow computer 2 and two pressure taking tubes 13, wherein an orifice plate 11 is welded in the measuring tube 1, the inner cavity of the measuring tube 1 is divided into a left cavity and a right cavity by the orifice plate 11, connecting flanges 12 are welded at two axial ends of the measuring tube 1, the flow computer 2 is welded on the peripheral side of the measuring tube 1, the two pressure taking tubes 13 are respectively positioned at two axial ends of the orifice plate 11, one end of each pressure taking tube 13 is communicated with the measuring tube 1, and the other end of each pressure taking tube is connected with the flow computer 2.

Referring to fig. 2 and 3, the rotary drum 32 further includes a mounting plate 3, a rotating lever 31; the mounting plate 3 is rotatably connected to one end, far away from the measuring tube 1, of the flow computer 2, two lug plates 33 are welded to one end, far away from the flow computer 2, of the mounting plate 3, the two lug plates 33 are arranged in parallel, and the two lug plates 33 are respectively positioned at two radial ends of the mounting plate 3; the two axial ends of the rotating rod 31 are respectively welded on the two lug plates 33, and the rotating drum 32 is coaxially sleeved on the rotating rod 31 and is rotationally connected with the rotating rod 31.

Referring to fig. 3, the fixing assembly 5 further includes a fixing assembly 5, the fixing assembly 5 includes a supporting ring 51, a compression spring 52 and a guide rod 53, the supporting ring 51 is coaxially sleeved at one end of the rotating rod 31 and slidably connected with the rotating rod 31, the compression spring 52 is sleeved on the rotating rod 31, one end of the compression spring 52 is abutted to the supporting ring 51, one end of the compression spring is abutted to the ear plate 33, the number of the guide rods 53 is two, the two guide rods 53 are axially arranged in parallel, the two guide rods 53 are respectively arranged at two radial ends of the supporting ring 51, one end of the guide rod 53 is welded with one end of the supporting ring 51 far away from the rotary drum 32, the other end of the guide rod 53 passes through the ear plate 33 and slidably connected with the ear plate 33, and one end of the guide rod 53 passing through the ear plate 33 is welded with a release preventing cap 54.

Referring to fig. 1 and 2, the flow rate control device further comprises a limiting piece 6, wherein the limiting piece 6 comprises a limiting bolt 61, one end of the limiting bolt 61 penetrates through the mounting plate 3 and can be abutted against the top wall of the flow rate computer 2, so that the mounting plate 3 is fixed, and the limiting bolt 61 is in threaded connection with the mounting plate 3.

Referring to fig. 1 and 2, the flow control device further comprises a display screen 4, the display screen 4 is electrically connected with the flow computer 2, the display screen 4 comprises a left screen 41, a right screen 42 and a rotating shaft 43, the bottom end of the left screen 41 is welded with the periphery of the rotary drum 32, the right screen 42 is welded with the rotating shaft, the axis of the rotating shaft 43 is parallel to the axis of the mounting disc 3, and two axial ends of the rotating shaft 43 are rotationally connected with the left screen 41.

Referring to fig. 1, the fixing member 9 further includes a fixing member 9, wherein the fixing member 9 includes a fixing nut 91, the fixing nut 91 is screwed to an end of the rotating shaft 43 away from the mounting plate 3, and one end of the fixing nut 91 can be abutted against the left screen 41, so that the rotating shaft 43 is fixed.

Referring to fig. 1 and 2, the temperature sensor 7 is further included, the temperature sensor 7 is bolted to the measuring tube 1, and the temperature sensor 7 is electrically connected with the right screen 42; the visual probe 8 extends into the measuring tube 1 and is fixed on the measuring tube 1 by bolts, and the visual probe 8 is electrically connected with the left screen 41; the left screen 41 displays image information acquired by the visual probe 8, and the right screen 42 displays information such as flow rate indication and temperature indication.

The implementation principle of the visible orifice plate flowmeter in the embodiment of the application is as follows: the flange of the orifice plate flowmeter is fixed on the pipeline, the angles of the left screen 41 and the right screen 42 are adjusted according to the observation positions, and then the limit bolts 61 and the fixing nuts 91 are respectively adjusted until the left screen 41 and the right screen 42 are fixed, so that manual data reading and real-time medium state in the pipeline can be conveniently achieved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a visual orifice plate flowmeter, includes survey pipe (1), flow computer (2) and two pressure tube (13) of getting, be equipped with orifice plate (11) in survey pipe (1), survey pipe (1)'s axial both ends all are equipped with flange (12), flow computer (2) connect in survey pipe (1) is last, two pressure tube (13) are located respectively the axial both ends of orifice plate (11), pressure tube (13) one end with survey pipe (1) intercommunication, the other end with flow computer (2) are connected, its characterized in that: the device also comprises a mounting plate (3), a rotating rod (31), a rotating cylinder (32), a display screen (4) and a fixing assembly (5);

the mounting plate (3) is connected to one end, far away from the measuring tube (1), of the flow computer (2), two lug plates (33) are connected to one end, far away from the flow computer (2), of the mounting plate (3), and the two lug plates (33) are arranged in parallel;

the two axial ends of the rotating rod (31) are respectively connected to the two lug plates (33);

the rotary drum (32) is fixedly connected to the display screen (4), and the rotary drum (32) is coaxially sleeved on the rotating rod (31) and is in rotating connection with the rotating rod (31);

the display screen (4) is electrically connected with the flow computer (2);

the fixing assembly (5) is connected with the lug plate (33) and is used for fixing the rotary drum (32).

2. The visual orifice plate flowmeter of claim 1, wherein: the fixing assembly (5) comprises a supporting ring (51), a compression spring (52) and a guide rod (53);

the supporting ring (51) is sleeved at one end of the rotating rod (31) and is in sliding connection with the rotating rod (31), and one end of the supporting ring (51) can be tightly supported with one end of the rotating cylinder (32);

the compression spring (52) is sleeved on the rotating rod (31), one end of the compression spring (52) is abutted against the abutting ring (51), and the other end of the compression spring is abutted against the lug plate (33);

one end of the guide rod (53) is connected with one end, far away from the rotary drum (32), of the supporting ring (51), and the other end of the guide rod penetrates through the lug plate (33) and is in sliding connection with the lug plate (33).

3. The visual orifice plate flowmeter of claim 1, wherein: the mounting disc (3) is rotationally connected with the flow computer (2);

the device further comprises a limiting piece (6), wherein the limiting piece (6) is connected with the mounting disc (3) and used for limiting the position of the mounting disc (3).

4. The visual orifice plate flowmeter of claim 3, wherein: the limiting piece (6) comprises a limiting bolt (61);

one end of the limit bolt (61) can penetrate through the mounting disc (3) and is abutted against the flow computer (2), and the limit bolt (61) is in threaded connection with the mounting disc (3).

5. The visual orifice plate flowmeter of claim 1, wherein: also comprises a temperature sensor (7);

the temperature sensor (7) is connected to the measuring tube (1), and the temperature sensor (7) is electrically connected with the display screen (4).

6. The visual orifice plate flowmeter of claim 1, wherein: also comprises a visual probe (8);

the visual probe (8) is connected to the measuring tube (1), and the visual probe (8) is electrically connected with the display screen (4).

7. The visual orifice plate flowmeter of claim 1, wherein: the display screen (4) comprises a left screen (41), a right screen (42) and a rotating shaft (43);

the left screen (41) is rotationally connected with the mounting disc (3);

the right screen (42) is fixedly connected with the rotating shaft (43);

the axis of the rotating shaft (43) is parallel to the axis of the mounting disc (3), and the two axial ends of the rotating shaft (43) are rotationally connected with the left screen (41);

the fixing device is characterized by further comprising a fixing piece (9), wherein the fixing piece (9) is connected with the rotating shaft (43) and used for fixing the position of the rotating shaft (43).

8. The visual orifice plate flowmeter of claim 7, wherein: the fixing piece (9) comprises a fixing nut (91);

the fixing nut (91) is in threaded connection with one end of the rotating shaft (43), and one end of the fixing nut (91) can be abutted against the left screen (41).