CN218066658U

CN218066658U - Optical fiber type single-well metering device

Info

Publication number: CN218066658U
Application number: CN202222269575.6U
Authority: CN
Inventors: 利来平; 谭亚芳
Original assignee: Shenzhen Gangwan Measurement And Testing Co ltd
Current assignee: Shenzhen Gangwan Measurement And Testing Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-16
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses an optical fiber type single-well metering device, which comprises a metering tank, wherein the metering tank is a cylindrical tank body, and the bottom end of the metering tank is provided with an oil inlet; the optical fiber assembly is arranged in the metering tank, a plurality of optical fiber assemblies are annularly arranged in the metering tank, each optical fiber assembly comprises a transmitter, a receiver and an optical fiber wire, mounting ring grooves are formed in the upper wall and the lower wall of the metering tank, sealing rings are fixedly mounted at the notches of the mounting ring grooves, the transmitters are fixedly mounted in the mounting ring grooves on the upper side, and the receivers are fixedly mounted in the mounting ring grooves on the lower side; the inside shift ring that is provided with of metering tank, it is a plurality of smooth mouthful to have seted up on the shift ring, and is a plurality of the optic fibre silk passes a plurality of smooth mouths respectively, the equal fixedly connected with clearance ring of downside on the smooth mouth, clearance ring cross-section is trapezoidal. The utility model discloses there are a plurality of optical fiber assembly, can effectual improvement measurement accuracy through the testing result.

Description

Optical fiber type single-well metering device

Technical Field

The utility model relates to a measuring instrument technical field especially relates to an optic fibre formula single well metering device.

Background

The measurement of the oil well yield is an important work in the production management of the oil field, the oil well yield is accurately and timely measured, the important guiding significance is achieved for mastering the oil reservoir condition and formulating the production scheme, various measurement methods and the like are adopted in the oil well yield measurement method adopted in various oil fields at home at present, and an optical fiber type single-well metering device becomes a new choice for improving the precision and using convenience.

Chinese patent CN205400711U provides an optical fiber type single well metering device, which comprises a tank body, wherein vertically arranged optical fibers are arranged in the tank body, an optical emitter and an optical receiver are respectively fixed at the top and the bottom in the tank body, two ends of the optical fibers are respectively connected with the optical emitter and the optical receiver, and the optical emitter and the optical receiver are electrically connected with a metering module.

However, the optical fiber type single-well metering device measures through a single optical fiber in the using process, the detected metering is single, the optical fiber is not thoroughly cleaned, precision errors are easily caused, and the metering result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having to measure through an solitary optic fibre among the prior art, the measurement of detection has the unicity, and is not thorough to the clearance of optic fibre, causes the precision error easily, influences the shortcoming of the result of measurement, and the single well metering device of optic fibre formula that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optical fiber type single-well metering device comprises a metering tank, wherein the metering tank is a cylindrical tank body, and an oil inlet is formed in the bottom end of the metering tank;

the optical fiber assembly is arranged in the metering tank, a plurality of optical fiber assemblies are annularly arranged in the metering tank, each optical fiber assembly comprises a transmitter, a receiver and an optical fiber wire, mounting ring grooves are formed in the upper wall and the lower wall of the metering tank, sealing rings are fixedly mounted at the notches of the mounting ring grooves, the transmitters are fixedly mounted in the mounting ring grooves on the upper side, the receivers are fixedly mounted in the mounting ring grooves on the lower side, and the optical fiber wires are fixedly connected between the transmitters and the receivers;

the inside shift ring that is provided with of metering tank, it is a plurality of smooth mouthful to have seted up on the shift ring, and is a plurality of the optic fibre silk passes a plurality of smooth mouths respectively, the equal fixedly connected with clearance ring of downside on the smooth mouth, clearance ring cross-section is trapezoidal, and inner wall and optic fibre silk in close contact with.

Preferably, the bottom wall of the metering tank is an inverted-truncated-cone-shaped bottom wall inclined towards the middle, and the valve block is arranged inside the oil inlet.

Preferably, a moving assembly is arranged in the moving ring and used for driving the moving ring to move up and down.

Preferably, the removal subassembly includes actuating cylinder, telescopic link and link, actuating cylinder fixed connection is at measurement tank deck portion, and the drive end sets up downwards, telescopic link fixed connection is at the actuating cylinder lower extreme, and is a plurality of the cyclic annular fixed connection of link is at the telescopic link tip, and with shift ring fixed connection.

Preferably, the outer end of the connecting frame is fixedly connected with a cleaning assembly, and the cleaning assembly is in close contact with the side wall of the metering tank.

Preferably, the clearance subassembly includes collar and scraping ring, collar fixed connection is in the outer end of a plurality of links, two scraping ring longitudinal symmetry sets up downside on the collar, the scraping ring cross-section is triangle-shaped, and two upper and lower scraping ring pointed ends set up from top to bottom respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

at the inside cyclic annular a plurality of optical fiber assembly that are provided with of measurement jar, can effectual improvement measurement accuracy through the testing result, protect the installation to the transmitter of downside and receiver below simultaneously, avoid fluid to cause destruction to transmitter and receiver, guaranteed the life of optic fibre, the clearance ring through reciprocating is cleared up the optic fibre silk simultaneously between accomplishing the detection.

Drawings

Fig. 1 is a schematic front view of an optical fiber type single well metering device according to the present invention;

fig. 2 is a schematic diagram of an internal structure of an optical fiber type single well metering device according to the present invention;

fig. 3 is a cross-sectional view of an optical fiber type single well metering device according to the present invention;

fig. 4 is a schematic structural view of an optical fiber assembly of the optical fiber type single-well metering device of the present invention.

In the figure: 1 metering tank, 2 optical fiber assemblies, 21 transmitters, 22 receivers, 23 optical fiber wires, 3 moving rings, 4 cleaning rings, 5 moving assemblies, 51 driving cylinders, 52 telescopic rods, 53 connecting frames, 6 cleaning assemblies, 61 mounting rings, 62 scraping rings and 7 sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an optical fiber type single well metering device comprises a metering tank 1, wherein the metering tank 1 is a cylindrical tank body, and an oil inlet is formed in the bottom end of the metering tank 1;

the optical fiber component 2 is arranged in the metering tank 1, the optical fiber components 2 are annularly arranged in the metering tank 1, each optical fiber component 2 comprises a transmitter 21, a receiver 22 and an optical fiber filament 23, mounting rings 61 grooves are formed in the upper wall and the lower wall of the metering tank 1, sealing rings 7 are fixedly mounted at the notch positions of the mounting rings 61 grooves, the transmitters 21 are fixedly mounted in the mounting rings 61 grooves on the upper side, the receivers 22 are fixedly mounted in the mounting rings 61 grooves on the lower side, and the optical fiber filaments 23 are fixedly connected between the transmitters 21 and the receivers 22;

1 inside shift ring 3 that is provided with of metering tank has seted up a plurality of slippery mouths on the shift ring 3, and a plurality of optic fibre silks 23 pass a plurality of slippery mouths respectively, and the equal fixedly connected with clearance ring 4 of downside on the slippery mouth, the 4 cross-sections of clearance ring are trapezoidal, and inner wall and optic fibre silk 23 in close contact with.

The utility model discloses in, 1 inside cyclic annular is provided with a plurality of optical fiber assembly 2 at metering tank, can effectual improvement measurement accuracy through the testing result, simultaneously to the transmitter 21 of the last downside and receiver 22 of below protect the installation, avoid fluid to cause destruction to transmitter 21 and receiver 22, the life of optic fibre has been guaranteed, when the measurement, when the internal no liquid of jar, the total reflection transmission to optical receiver 22 of light process optic fibre 23 of optical transmitter 21 transmission, when liquid is gradual growing, optic fibre 23 is gone into liquid by continuous submergence because the outside medium of optic fibre becomes liquid by the air, therefore light in optic fibre 23 changes at the refracting index of medium interface (utilize the difference of light at different medium interface refracting indexes), light becomes reflection and refraction by the total reflection, light partial refraction gets into liquid, the power of receiving light through receiver 22 response can calculate optic fibre by liquid immersion rate, and then real-time obtain the height of liquid, the output of monitoring liquid that can be accurate in real time, accomplish between the detection, clear up and down through clear up and down clearance ring 4 who reciprocates and clear up and down to optic fibre 23.

According to the preferable technical scheme in the embodiment, the bottom wall of the metering tank 1 is an inverted-truncated-cone-shaped bottom wall which inclines towards the middle, and the valve block is arranged in the oil inlet, so that the cleaned oil can be conveniently led out from the position of the oil inlet, and the oil is prevented from being accumulated in the metering tank 1;

a moving component 5 is arranged in the moving ring 3, and the moving component 5 is used for driving the moving ring 3 to move up and down;

the moving assembly 5 comprises a driving cylinder 51, an expansion link 52 and a connecting frame 53, the driving cylinder 51 is fixedly connected to the top of the metering tank 1, the driving end of the driving cylinder is arranged downwards, the expansion link 52 is fixedly connected to the lower end of the driving cylinder 51, the connecting frames 53 are fixedly connected to the end portion of the expansion link 52 in an annular mode and are fixedly connected with the moving ring 3, the driving cylinder 51 drives the expansion link 52 to expand and contract, so that the connecting frame 53 at the lower end is driven to move up and down, the cleaning ring 4 is driven to move up and down on the optical fiber filament 23, and oil on the optical fiber filament 23 is cleaned;

the cleaning assembly 6 is fixedly connected to the outer end of the connecting frame 53, the cleaning assembly 6 is in close contact with the side wall of the metering tank 1, and a large amount of oil liquid can be adhered to the inside of the metering tank 1, so that a viscous layer can be formed on the tank wall if the oil liquid is not cleaned in time, and the cleaning is inconvenient;

cleaning assembly 6 includes collar 61 and scraping ring 62, and collar 61 fixed connection is in the outer end of a plurality of links 53, and two scraping ring 62 longitudinal symmetries set up downside on collar 61, and scraping ring 62 cross-section is triangle-shaped, and two upper and lower scraping ring 62 pointed ends set up from top to bottom respectively, drive collar 61 through link 53 and reciprocate to clear up the jar wall with scraping ring 62.

Overall, the technical problem is addressed: the measurement is carried out through a single optical fiber, the measurement of the detection has unicity, the optical fiber is not thoroughly cleaned, precision errors are easily caused, and the measurement result is influenced; the implementation process of the technical scheme is as follows: (ii) a Therefore, the technical problem can be solved certainly, and the technical effects are as follows: at 1 inside cyclic annular a plurality of optical fiber assembly 2 that are provided with of metering tank, can effectual improvement measurement accuracy through the testing result, protect the installation to the transmitter 21 of downside and receiver 22 of below simultaneously, avoid fluid to cause the destruction to transmitter 21 and receiver 22, guaranteed the life of optic fibre.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. An optical fiber type single-well metering device comprises a metering tank (1), and is characterized in that the metering tank (1) is a cylindrical tank body, and an oil inlet is formed in the bottom end of the metering tank (1);

the optical fiber component (2) is arranged in the metering tank (1), the optical fiber components (2) are annularly arranged in the metering tank (1), each optical fiber component (2) comprises a transmitter (21), a receiver (22) and an optical fiber (23), mounting ring (61) grooves are formed in the upper wall and the lower wall of the metering tank (1), a sealing ring (7) is fixedly mounted at the groove opening of each mounting ring (61), the transmitters (21) are fixedly mounted in the mounting ring (61) grooves on the upper side, the receivers (22) are fixedly mounted in the mounting ring (61) grooves on the lower side, and the optical fiber (23) is fixedly connected between the transmitters (21) and the receivers (22);

the inside shift ring (3) that is provided with of metering tank (1), it is a plurality of slippery fellows, a plurality of to have seted up on shift ring (3) are a plurality of optic fibre silk (23) pass a plurality of slippery fellows respectively, the equal fixedly connected with clearance ring (4) of downside on the slippery fellow, clearance ring (4) cross-section is trapezoidal, and inner wall and optic fibre silk (23) in close contact with.

2. An optical fiber type single-well metering device according to claim 1, characterized in that the bottom wall of the metering tank (1) is provided with an inverted truncated cone bottom wall inclined towards the middle part, and a valve block is arranged inside the oil inlet.

3. An optical fiber type single well metering device according to claim 1, characterized in that a moving component (5) is arranged inside the moving ring (3), and the moving component (5) is used for driving the moving ring (3) to move up and down.

4. An optical fiber type single-well metering device according to claim 3, wherein the moving assembly (5) comprises a driving cylinder (51), a telescopic rod (52) and a connecting frame (53), the driving cylinder (51) is fixedly connected to the top of the metering tank (1), the driving end of the driving cylinder is arranged downwards, the telescopic rod (52) is fixedly connected to the lower end of the driving cylinder (51), and a plurality of connecting frames (53) are fixedly connected to the end of the telescopic rod (52) in an annular manner and are fixedly connected with the moving ring (3).

5. An optical fiber single-well metering device according to claim 4, characterized in that a cleaning component (6) is fixedly connected to the outer end of the connecting frame (53), and the cleaning component (6) is in close contact with the side wall of the metering tank (1).

6. An optical fiber type single-well metering device according to claim 5, wherein the cleaning assembly (6) comprises a mounting ring (61) and a scraping ring (62), the mounting ring (61) is fixedly connected to the outer ends of the connecting frames (53), the two scraping rings (62) are symmetrically arranged on the upper side and the lower side of the mounting ring (61), the section of the scraping ring (62) is triangular, and the tips of the two scraping rings (62) are respectively arranged on the upper side and the lower side.