CN216050142U

CN216050142U - Half-full pipe liquid level value taking device of flowmeter

Info

Publication number: CN216050142U
Application number: CN202122010753.9U
Authority: CN
Inventors: 詹必亮
Original assignee: Anhui Test Measurement And Control Co ltd
Current assignee: Anhui Test Measurement And Control Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-15
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a half-full pipe liquid level dereferencing device of a flowmeter, which comprises a liquid tank and a flowmeter, wherein a horizontal pipe is arranged between the liquid tank and the flowmeter, a communicating pipe is arranged on the opposite side of the horizontal pipe of the flowmeter, a switch piston is arranged on the upper position of the communicating pipe, a liquid level scale is arranged in the liquid tank, the upper end of the liquid level scale is fixedly connected with the upper inner wall of the liquid tank, the '0' position at the lower end of the liquid level scale is flush with the lower inner wall of the horizontal pipe, an observation port is arranged on the liquid tank and positioned beside the liquid level scale, the lower end of the observation port is lower than the '0' position at the lower end of the liquid level scale, and the upper end of the observation port is higher than the upper end scale position of the liquid level scale.

Description

Half-full pipe liquid level value taking device of flowmeter

Technical Field

The utility model belongs to the technical field of flowmeters, and particularly relates to a half-full pipe liquid level dereferencing device of a flowmeter.

Background

The flow meter mainly includes an electromagnetic flow meter and the like. The flowmeter can measure the volume flow of general conductive liquid, and can also be used for measuring the volume flow of strong corrosive liquid such as strong acid and strong alkali and uniform liquid-solid two-phase suspension liquid such as slurry, ore pulp and paper pulp. The flow meter is widely applied to the flow measurement in the fields of industrial departments such as petroleum, chemical industry, metallurgy, light textile, paper making, environmental protection, food and the like, municipal administration and the like.

Due to the requirements of pipeline pressure and the like, the pipeline which is accurately measured must be completely filled with liquid when the flowmeter is applied to a specific pipeline, namely, the pipeline is ensured to be always filled with the liquid, otherwise, the flow display is influenced, and measurement errors can also occur (namely, the pipeline is not filled with the liquid, and the like, and the data are unreliable). I.e. the piping structure must ensure that the flow tube is always filled with fluid.

However, in actual measurement, there is a state where the pipe is not filled with liquid (mainly, the end stage of the whole flow rate process), that is, a half-full pipe state, and the remaining liquid amount of the pipe in this state is data which is necessary for the industry, and mainly the pipe remaining liquid amount between the flow meter and the liquid tank is added to the whole measured remaining liquid amount. Aiming at the problem, the utility model designs a half-full pipe liquid level dereferencing device of a flowmeter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a half-full pipe liquid level dereferencing device of a flowmeter, which is simple and ingenious in structure and aims to solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a half-full pipe liquid level value taking device of flowmeter, includes the liquid case, the flowmeter sets up the level pipe between liquid case and the flowmeter, and the offside that the flowmeter is located the level pipe sets up the communicating pipe, and the upper level of communicating pipe sets up the switch piston, the liquid incasement set up the liquid level scale, the upper end of liquid level scale and the last inner wall fixed connection of liquid case, the lower extreme of liquid level scale "0" position and the lower inner wall parallel and level of level pipe, the side that lies in the liquid level scale on the liquid case sets up the viewing aperture, the lower extreme of viewing aperture is less than "0" position of the lower extreme of liquid level scale, the upper end of viewing aperture is higher than the upper end scale position of liquid level scale.

Furthermore, three groups of connecting holes are parallelly formed in the upper end of the liquid level scale, a balance connecting frame is connected to the three groups of connecting holes, the balance connecting frame comprises a first connecting frame located in the middle of the three groups of connecting holes and a second connecting frame located in bilateral symmetry arrangement, the frame rod of the first connecting frame is located on the back face of the liquid level scale, and the frame rod of the second connecting frame is located on the front face of the liquid level scale.

Furthermore, the hole pattern of the connecting hole in the middle of the three groups of connecting holes is a circular table cavity hole with a small front surface and a large back surface, and the hole patterns of the connecting holes on the two sides are circular table cavity holes with a large front surface and a small back surface; the connecting section of the balance connecting frame connected with the connecting hole sequentially comprises a guide head part, a filling limiting part and a clamping part, the part type of the filling limiting part is consistent with the hole type of the connecting hole matched with the filling limiting part, and the guide head part is an elastic material piece.

Still further, the horizontal pipe and the communicating pipe have the same inner diameter and are marked on the respective outer pipe walls, and the respective pipe lengths are also marked on the respective outer pipe walls.

Still further, the horizontal pipe is a half-full pipe liquid level visual pipe.

Still further, the visual tube surface of liquid tank liquid level is provided with in the sealed of viewing aperture department.

Still further, the liquid box be cylindrical chamber case, the outer wall of liquid box mark have the internal diameter of cylindrical chamber, and the height that "0" of the lower extreme of liquid level scale was located cylindrical chamber case bottom.

The utility model has the technical effects that: the liquid level dereferencing device for the half-full pipe of the flowmeter with the structure of the utility model is used for solving the residual liquid level of the half-full pipe state based on the principle of the communicating vessel and the principle that the liquid level height h and the pipe inner diameter r are known to obtain the liquid level cross section area and then the pipe length is used for obtaining the liquid level. The structure is simple and ingenious.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a partial block diagram of the present invention;

FIG. 3 is a cross-sectional view of the horizontal tube of the present invention, in which the hatched portion indicates the liquid below the liquid level line;

FIG. 4 is a cross-sectional view A-A of the fluid level gauge of FIGS. 1 and 2;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a side attachment hole and its assembled gimbal structure;

FIG. 7 is a reference view of a conventional design of attachment holes and their counterbalancing attachment brackets;

in the drawings, a dotted line indicates a liquid level line; h represents high liquid level; r represents the inner diameter of the level vial.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the drawing, a half-full pipe liquid level value taking device of flowmeter, including liquid tank 10, flowmeter 20, set up the horizontal pipe 30 between liquid tank 10 and the flowmeter 20, flowmeter 20 is located the offside of horizontal pipe 30 and sets up communicating pipe 40, and the upper level of communicating pipe 40 sets up switch piston 50, liquid tank 10 in set up liquid level scale 60, the last inner wall fixed connection of upper end and liquid tank 10 of liquid level scale 60, the lower inner wall parallel and level of "0" position and horizontal pipe 30 of the lower extreme of liquid level scale 60, the side that lies in liquid level scale 60 on the liquid tank 10 sets up viewing aperture 70, the lower extreme of viewing aperture 70 is less than "0" position of the lower extreme of liquid level scale 60, the upper end of viewing aperture 70 is higher than the upper end scale position of liquid level scale 60.

The liquid level dereferencing device for the half-full pipe of the flowmeter with the structure of the utility model is used for solving the residual liquid level of the half-full pipe state based on the principle of the communicating vessel and the principle that the liquid level height h and the pipe inner diameter r are known to obtain the liquid level cross section area and then the pipe length is used for obtaining the liquid level. The structure is simple and ingenious. Referring to fig. 1, in fig. 1, when the switch piston 50 is in a closed state, the flowmeter 20 is stopped to stop flow, and the remaining liquid amount in a half-full pipe state can be obtained. Referring again to fig. 1, in fig. 1, the open state of the switch piston 50 is shown, and the discharged liquid forms a communicating vessel by the device of the present invention, and the device of the present invention also obtains the instantaneous liquid amount, and is also suitable for the metering field of the verification syringe or the injection pump.

Further, three groups of connecting holes 61 are formed in parallel in the upper end of the liquid level scale 60, the three groups of connecting holes 61 are connected with a balance connecting frame 80, the balance connecting frame 80 comprises a first connecting frame 81 located in the middle of the three groups of connecting holes 61 and second connecting frames 82 located on two sides of the three groups of connecting holes, a frame rod of the first connecting frame 81 is located on the back face of the liquid level scale 60, and a frame rod of the second connecting frame 82 is located on the front face of the liquid level scale 60.

This is a smooth connection structure of the liquid level gauge 60, so that the hydraulic pressure and the liquid buoyancy do not affect the accurate measurement of the liquid level gauge 60 due to the balanced connection structure formed by the three groups of connection holes 61 and the balanced connection frame 80.

Furthermore, the hole pattern of the connecting hole in the middle of the three groups of connecting holes 61 is a circular truncated cone cavity hole with a small front surface and a large back surface, and the hole patterns of the connecting holes on the two sides are circular truncated cone cavity holes with a large front surface and a small back surface; the connecting section of the balance connecting frame 80 connected with the connecting hole 61 sequentially comprises a guide head part, a filling limiting part and a clamping part, the part type of the filling limiting part is consistent with the hole type of the connecting hole matched with the filling limiting part, and the guide head part is an elastic material piece.

Referring to fig. 7, in contrast to the structure of the present embodiment and referring to fig. 5 and 6, with the conventional screw-type connection, if the flow of the liquid flow (mainly, the clockwise impact) is reversed in the tightening direction of the screw, the balance connection structure formed by the connection hole 61 and the balance connection bracket 80 is loosened after a long time. With this structure of the present embodiment, the connecting hole 61 and the balance link bracket 80 always form a balanced connecting structure regardless of the flow of the liquid flow.

Still further, the horizontal pipe 30 and the communicating pipe 40 have the same inner diameter and are marked on the respective outer pipe walls, and the respective pipe lengths are also marked on the respective outer pipe walls.

Still further, the horizontal tube 30 is a half-full tube level sight tube.

Still further, a liquid tank liquid level visible pipe surface is arranged at the observation port 70 in a sealing mode.

Still further, the liquid tank 10 is a cylindrical tank, and the outer wall of the liquid tank 10 is marked with the inner diameter of the cylindrical tank and the height from the '0' position of the lower end of the liquid level gauge 60 to the bottom of the cylindrical tank.

The visible liquid level pipe of the half-full pipe and the visible liquid level pipe surface of the liquid tank are made of transparent or semitransparent materials. The liquid level can be directly observed, and the device is more convenient and fast.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a half full pipe liquid level value taking device of flowmeter, includes liquid tank (10), flowmeter (20), sets up horizontal pipe (30) between liquid tank (10) and flowmeter (20), and flowmeter (20) are located the contralateral of horizontal pipe (30) and set up closed tube (40), and the upper level of closed tube (40) sets up switch piston (50), its characterized in that: liquid tank (10) in set up liquid level scale (60), the upper end of liquid level scale (60) and the last inner wall fixed connection of liquid tank (10), the lower inner wall parallel and level of "0" position and horizontal pipe (30) of the lower extreme of liquid level scale (60), the side that lies in liquid level scale (60) on liquid tank (10) sets up viewing aperture (70), the lower extreme of viewing aperture (70) is less than the upper end scale position that the upper end of "0" position, viewing aperture (70) of the lower extreme of liquid level scale (60) is higher than liquid level scale (60).

2. The half-full pipe liquid level value taking device of the flowmeter according to claim 1, characterized in that: the upper end parallel of liquid level scale (60) seted up three group connecting holes (61), all be connected with balanced link (80) on three group connecting holes (61), balanced link (80) including three group connecting holes (61) in lie in middle first link (81) and lie in bilateral symmetry's second link (82), the hack lever of first link (81) be located the back of liquid level scale (60), the hack lever of second link (82) be located the front of liquid level scale (60).

3. The half-full pipe liquid level value taking device of the flowmeter according to claim 2, characterized in that: the hole pattern of the connecting hole positioned in the middle of the three groups of connecting holes (61) is a circular table cavity hole with a small front surface and a large back surface, and the hole patterns of the connecting holes positioned on the two sides are circular table cavity holes with a large front surface and a small back surface; the connecting section of the balance connecting frame (80) and the connecting hole (61) sequentially comprises a guide head part, a filling limiting part and a clamping part, the part type of the filling limiting part is consistent with the hole type of the connecting hole matched with the filling limiting part, and the guide head part is made of elastic materials.

4. The half-full pipe liquid level dereferencer for the flowmeter according to claim 1, 2 or 3, wherein: the inner diameters of the horizontal pipe (30) and the communicating pipe (40) are equal, and the horizontal pipe and the communicating pipe are marked on the outer pipe walls respectively, and the pipe lengths of the horizontal pipe and the communicating pipe are also marked on the outer pipe walls respectively.

5. The half-full pipe liquid level dereferencer for the flowmeter according to claim 1, 2 or 3, wherein: the horizontal pipe (30) is a half-full pipe liquid level visual pipe.

6. The half-full pipe liquid level dereferencer for the flowmeter according to claim 1, 2 or 3, wherein: the observation port (70) is hermetically provided with a liquid level visible pipe surface of the liquid tank.

7. The half-full pipe liquid level value taking device of the flowmeter according to claim 4, characterized in that: the liquid tank (10) is a cylindrical cavity tank, and the outer wall of the liquid tank (10) is marked with the inner diameter of the cylindrical cavity and the height from the '0' position of the lower end of the liquid level scale (60) to the bottom of the cylindrical cavity tank.