CN217005917U

CN217005917U - Low-power consumption high-pressure vortex street flowmeter

Info

Publication number: CN217005917U
Application number: CN202220923820.8U
Authority: CN
Inventors: 沈勇刚; 纪丹丹
Original assignee: Jiangsu Tianchuan Automation Instrument Co ltd
Current assignee: Jiangsu Tianchuan Automation Instrument Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-19
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a low-power-consumption high-pressure vortex shedding flowmeter, which comprises a connecting rod, wherein one end of the connecting rod is connected with an installation sleeve, a reading dial plate is installed inside the installation sleeve, a magnifying lens is arranged above the reading dial plate, a connecting rotating shaft penetrates through the joint of the magnifying lens and the reading dial plate, and a movable hole is formed in the outer part of the connecting rotating shaft; the other end of connecting rod, and the inboard of flange plate is equipped with the detecting head, the other end of flange plate is fixed with connects the inner tube, and the surface cover of connecting the inner tube is equipped with the heat dissipation ring, the outside of heat dissipation ring is equipped with the lag, the internally mounted of connecting the inner tube has spacing fixture block. This low-power consumption high pressure vortex flowmeter compares with current device, can cool down the detecting head through the radiating ring that sets up, avoids the temperature to transmit to the reading dial plate through the detecting head, leads to the overheated impaired of sensor in the reading dial plate.

Description

Low-power consumption high-pressure vortex street flowmeter

Technical Field

The utility model relates to the technical field of vortex street flowmeters, in particular to a low-power-consumption high-pressure vortex street flowmeter.

Background

The vortex shedding flowmeter is a volume flowmeter which is produced according to the Karman vortex shedding principle and is used for measuring the volume flow, the standard condition volume flow or the mass flow of gas, steam or liquid. The flow meter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like. The high-pressure vortex shedding flowmeter is characterized by small pressure loss, wide measuring range and high precision, is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the volume flow under working conditions, is used in the middle of the application of high-pressure water injection of petroleum, and can be used for carrying out flow statistics by using a low-power-consumption high-pressure vortex shedding flowmeter in consideration of thickening of a triangular column and thickening of a probe of the high-pressure flowmeter.

The existing low-power-consumption high-pressure vortex shedding flowmeter has the problem that numerical values cannot be clearly seen due to the fact that the dial plate is small in size when the existing low-power-consumption high-pressure vortex shedding flowmeter reads, and therefore the low-power-consumption high-pressure vortex shedding flowmeter is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-power-consumption high-pressure vortex shedding flowmeter, and aims to solve the problem that the numerical value cannot be clearly seen and is difficult to read due to the fact that the dial plate volume is small when the low-power-consumption high-pressure vortex shedding flowmeter is used for reading in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: low-power consumption high pressure vortex flowmeter includes:

the reading device comprises a connecting rod, a mounting sleeve is connected to one end of the connecting rod, a reading dial plate is mounted inside the mounting sleeve, a magnifying lens is arranged above the reading dial plate, a connecting rotating shaft penetrates through the joint of the magnifying lens and the reading dial plate, and a movable hole is formed in the outer portion of the connecting rotating shaft;

the other end of connecting ring flange, it is fixed the other end of connecting rod, and the inboard of connecting ring flange is equipped with the detecting head, the other end of connecting ring flange is fixed with the connection inner tube, and the surface cover of connecting the inner tube is equipped with the radiating ring, the outside of radiating ring is equipped with the lag, the internally mounted of connecting the inner tube has spacing fixture block.

Preferably, the protective sleeve is further provided with:

a fluid conduit mounted at one end of the protective sleeve;

the mounting flange, it sets up the left and right sides of fluid pipeline, connecting bolt is worn to be equipped with in mounting flange's inside, mounting flange and fluid pipeline welding, and connecting bolt and mounting flange threaded connection, mounting flange's diameter is greater than the diameter of fluid pipeline.

Preferably, the fluid conduit is further provided with:

the vortex street generator is arranged in the fluid pipeline and is symmetrical with the vertical central line of the fluid pipeline, the vertical central line of the protective sleeve is superposed with the vertical central line of the fluid pipeline, and the protective sleeve is welded with the fluid pipeline.

Preferably, the connecting rod passes through the flange dish and constitutes detachable construction with the connection inner tube, and is provided with the sealing washer between connecting rod and the connection inner tube.

Preferably, the magnifying glass realizes the rotation and the movement at the reading dial plate through connecting the rotating shaft and the movable hole, and the magnifying glass is matched with the reading dial plate in size.

Preferably, the detecting head penetrates through the inner part of the connecting inner barrel, the size of the detecting head is matched with that of the fluid pipeline, the diameter of the detecting head is the same as the inner diameter of the connecting inner barrel, and the detecting head is movably connected with the limiting clamping block.

Preferably, the heat dissipation ring is sleeved with the connecting inner barrel, the heat dissipation ring is attached to the protecting sleeve, the inner diameter of the heat dissipation ring is the same as the outer diameter of the connecting inner barrel, and the outer diameter of the heat dissipation ring is the same as the inner diameter of the protecting sleeve.

Compared with the prior art, the utility model provides the low-power-consumption high-pressure vortex shedding flowmeter, which has the following beneficial effects:

1. the magnifier arranged in the utility model can rotate on the surface of the reading dial plate by connecting the rotating shaft and the movable hole, so that dust can be prevented from entering the inside of the reading dial plate, and meanwhile, the magnifier can amplify numerical values displayed on the reading dial plate, thereby avoiding the situation that the numerical values displayed on the reading dial plate are too small and difficult to read; the fluid pipeline and the water injection pipeline can be quickly connected through the arranged fixed flange plate;

2. the two sets of vortex generators can detect the speed of the fluid in two directions, and two sets of low-power-consumption high-pressure vortex flowmeters do not need to be arranged to detect the flow of the passing fluid; the inner heat dissipation ring can be wrapped through the arranged protective sleeve, so that the heat dissipation ring is protected; the limit fixture block can limit the detecting head, so that the detecting head is prevented from being inclined when inserted into the fluid pipeline, and the detecting head is ensured to be vertical to the fluid pipeline;

3. the heat dissipation ring can cool the detecting head, so that the temperature is prevented from being transmitted to the reading dial plate through the detecting head, and a sensor in the reading dial plate is prevented from being damaged due to overheating; can dismantle fluid pipeline and connecting rod fast through the flange plate of connecting that sets up, avoid needing to dismantle whole flowmeter when the reading dial plate breaks down, the maintenance of being convenient for sets up the sealing washer in the junction of connecting the flange plate simultaneously, avoids the fluid to leak.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the fluid conduit of the present invention;

fig. 4 is a schematic structural view of the connecting rod of the present invention.

In the figure: 1. a fluid conduit; 2. fixing a flange plate; 3. a connecting bolt; 4. a protective sleeve; 5. a connecting rod; 6. a reading dial plate; 7. a magnifying glass; 8. installing a sleeve; 9. connecting the rotating shaft; 10. a movable hole; 11. a limiting clamping block; 12. connecting the inner barrel; 13. connecting a flange plate; 14. a heat dissipation ring; 15. a vortex street generator; 16. a probe head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

As shown in fig. 1 and 2, the low power consumption high pressure vortex shedding flowmeter comprises: the connecting rod 5, one end of the connecting rod 5 is connected with a mounting sleeve 8, a reading dial plate 6 is mounted inside the mounting sleeve 8, a magnifying glass 7 is arranged above the reading dial plate 6, a connecting rotating shaft 9 penetrates through the joint of the magnifying glass 7 and the reading dial plate 6, a movable hole 10 is formed in the outer portion of the connecting rotating shaft 9, the magnifying glass 7 rotates on the reading dial plate 6 through the connecting rotating shaft 9 and the movable hole 10, the magnifying glass 7 is identical to the reading dial plate 6 in size, the magnifying glass 7 can rotate on the surface of the reading dial plate 6 through the connecting rotating shaft 9 and the movable hole 10, dust can be prevented from entering the interior of the reading dial plate 6, meanwhile, the magnifying glass 7 can magnify numerical values displayed on the reading dial plate 6, and the situation that reading is difficult to read due to the fact that the numerical values displayed on the reading dial plate 6 are too small is avoided; a connecting flange 13 fixed at the other end of the connecting rod 5, the inner side of the connecting flange 13 is provided with a detecting head 16, the connecting rod 5 and the connecting inner cylinder 12 form a detachable structure through the connecting flange 13, a sealing ring is arranged between the connecting rod 5 and the connecting inner cylinder 12, the fluid pipeline 1 and the connecting rod 5 can be rapidly detached through the arranged connecting flange 13, the whole flowmeter is prevented from being detached when the reading dial 6 breaks down, the maintenance is convenient, the sealing ring is arranged at the joint of the connecting flange 13 to prevent fluid leakage, the other end of the connecting flange 13 is fixed with the connecting inner cylinder 12, the surface of the connecting inner cylinder 12 is sleeved with a heat dissipation ring 14, the outer part of the heat dissipation ring 14 is provided with a protective sleeve 4, the heat dissipation ring 14 is sleeved with the connecting inner cylinder 12, the heat dissipation ring 14 is mutually attached to the connecting inner cylinder 12, and the heat dissipation ring 14 is mutually attached to the protective sleeve 4, the internal diameter of heat dissipation ring 14 is the same with the external diameter of being connected inner tube 12, and the external diameter of heat dissipation ring 14 is the same with the internal diameter of lag 4, heat dissipation ring 14 through the setting can cool down detecting head 16, avoid the temperature to transmit to reading dial plate 6 through detecting head 16, lead to the overheated impaired of sensor in the reading dial plate 6, the internally mounted of connecting inner tube 12 has spacing fixture block 11, detecting head 16 runs through in the inside of connecting inner tube 12, and detecting head 16's size and fluid pipeline 1's size are matchd each other, and detecting head 16's diameter is the same with the internal diameter of being connected inner tube 12, detecting

head

16 and 11 swing joint of spacing fixture block, can play limiting displacement to detecting head 16 through the spacing fixture block 11 that sets up, when avoiding detecting head 16 to insert in fluid pipeline 1, take place crooked, thereby guarantee mutually perpendicular between detecting head 16 and the fluid pipeline 1.

As shown in fig. 3 and 4, the low power consumption high pressure vortex shedding flowmeter comprises: a fluid pipe 1 installed at one end of the protection cover 4; the fixed flange discs 2 are arranged on the left side and the right side of the fluid pipeline 1, connecting bolts 3 penetrate through the fixed flange discs 2, the fixed flange discs 2 are welded with the fluid pipeline 1, the connecting bolts 3 are in threaded connection with the fixed flange discs 2, the diameter of each fixed flange disc 2 is larger than that of the fluid pipeline 1, the fluid pipeline 1 can be quickly connected with a water injection pipeline through the arranged fixed flange discs 2, vortex street generators 15 are arranged inside the fluid pipeline 1, the vortex street generators 15 are symmetrical with respect to the vertical center line of the fluid pipeline 1, the two sets of vortex street generators 15 can be used for bidirectionally detecting the fluid speed without installing two sets of low-power consumption high-pressure vortex street flowmeters for detecting the flow of the passing fluid, the vertical center line of the protective cover 4 is superposed with the vertical center line of the fluid pipeline 1, and the protective cover 4 is welded with the fluid pipeline 1, the inner heat dissipation ring 14 can be wrapped by the arranged protective sleeve 4, so that the heat dissipation ring 14 is protected.

The working principle is as follows: when the low-power-consumption high-pressure vortex street flowmeter is used, firstly, a fluid pipeline 1 is connected with a water injection pipeline through a fixed flange 2, and a connecting bolt 3 is penetrated to fix the fluid pipeline; secondly, inserting a probe 16 between two groups of limiting fixture blocks 11 in the connecting inner cylinder 12, wherein two groups of connecting flange discs 13 are contacted with each other along with the insertion of the probe 16, fixing the connecting flange discs 13 through bolts, and arranging a sealing ring between the connecting flange discs 13; then, the vortex street generator 15 can send out vortex when in use, and when passing through the probe 16, the vortex can be captured, so that the flow of the fluid can be calculated through the time difference; finally, when the reading dial 6 needs to be read, the numbers can be read through the external magnifier 7, the magnifier 7 can rotate on the movable hole 10 through the connecting rotating shaft 9, and the position of the magnifier 7 is adjusted, so that the working principle of the low-power-consumption high-pressure vortex shedding flowmeter is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Low-power consumption high pressure vortex flowmeter, its characterized in that includes:

the reading device comprises a connecting rod (5), wherein one end of the connecting rod (5) is connected with a mounting sleeve (8), a reading dial plate (6) is mounted inside the mounting sleeve (8), a magnifying glass (7) is arranged above the reading dial plate (6), a connecting rotating shaft (9) penetrates through the joint of the magnifying glass (7) and the reading dial plate (6), and a movable hole (10) is formed in the outer part of the connecting rotating shaft (9);

the connecting flange dish (13), it is fixed the other end of connecting rod (5), and the inboard of connecting flange dish (13) is equipped with detecting head (16), the other end of connecting flange dish (13) is fixed with connects inner tube (12), and the surface cover of connecting inner tube (12) is equipped with radiating ring (14), the outside of radiating ring (14) is equipped with lag (4), the internally mounted of connecting inner tube (12) has spacing fixture block (11).

2. The low-power consumption high-pressure vortex shedding flowmeter according to claim 1, wherein the protective sleeve (4) is further provided with:

-a fluid conduit (1) mounted at one end of the protective sheath (4);

fixed flange dish (2), it sets up the left and right sides of fluid pipeline (1), connecting bolt (3) are worn to be equipped with in the inside of fixed flange dish (2), fixed flange dish (2) and fluid pipeline (1) welding, and connecting bolt (3) and fixed flange dish (2) threaded connection, the diameter of fixed flange dish (2) is greater than the diameter of fluid pipeline (1).

3. The low power consumption high pressure vortex shedding flowmeter according to claim 2, wherein the fluid conduit (1) is further provided with:

the vortex street generator (15) is installed inside the fluid pipeline (1), the vortex street generator (15) is symmetrical to each other about the vertical central line of the fluid pipeline (1), the vertical central line of the protective sleeve (4) is superposed with the vertical central line of the fluid pipeline (1), and the protective sleeve (4) is welded with the fluid pipeline (1).

4. The low-power consumption high-pressure vortex shedding flowmeter according to claim 1, wherein the connecting rod (5) and the connecting inner cylinder (12) form a detachable structure through a connecting flange (13), and a sealing ring is arranged between the connecting rod (5) and the connecting inner cylinder (12).

5. The low-power-consumption high-pressure vortex shedding flowmeter according to claim 1, wherein the magnifier (7) is rotatably moved on the reading dial (6) through the connecting rotating shaft (9) and the movable hole (10), and the magnifier (7) is matched with the reading dial (6) in size.

6. The low-power consumption high-pressure vortex shedding flowmeter according to claim 1, wherein the probe (16) penetrates through the inner part of the connecting inner barrel (12), the size of the probe (16) is matched with that of the fluid pipeline (1), the diameter of the probe (16) is the same as the inner diameter of the connecting inner barrel (12), and the probe (16) is movably connected with the limiting fixture block (11).

7. The low-power consumption high-pressure vortex shedding flowmeter according to claim 1, wherein the heat dissipation ring (14) is sleeved with the connecting inner cylinder (12), the heat dissipation ring (14) is attached to the protective sleeve (4), the inner diameter of the heat dissipation ring (14) is the same as the outer diameter of the connecting inner cylinder (12), and the outer diameter of the heat dissipation ring (14) is the same as the inner diameter of the protective sleeve (4).