CN211783674U

CN211783674U - Flange type temperature and pressure compensation double-signal vortex shedding flowmeter

Info

Publication number: CN211783674U
Application number: CN202020579688.4U
Authority: CN
Inventors: 陈可兴; 毕金昌
Original assignee: Taian Tuosi Instrument Co ltd
Current assignee: Taian Tuosi Instrument Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-10-27
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a flange formula warm-pressing compensation dual-signal vortex flowmeter, including the table body, first converter and second converter, table body both ends all are provided with the flange, and have first bracing piece through the bolt fastening above the table body middle part, first converter upper end side is connected with the pressure signal and connects, and table body middle part below has the second bracing piece through the bolt fastening, the inside first sensor that is provided with of first bracing piece, and first sensor installs inside the mounting groove at table body middle part, installs the second sensor on the inside table body of second bracing piece, and the second sensor corresponds with first sensor. This flange formula warm-pressing compensation dual signal vortex flowmeter adopts and sets up the recess in traditional flange joint department, seals up at recess internally mounted, plays spacing effect, improves the leakproofness of installation, structurally sets up two sets of converters simultaneously, satisfies dual signal transmission, can not receive the influence after single damage yet, can continue to use.

Description

Flange type temperature and pressure compensation double-signal vortex shedding flowmeter

Technical Field

The utility model relates to a flowmeter field specifically is a flange formula warm-pressing compensation dual signal vortex street flowmeter.

Background

The vortex flowmeter is produced based on Karman vortex street principle, and is mainly used for measuring flow of industrial pipeline medium fluid, such as various media of gas, liquid and steam, and features small pressure loss, wide range of measurement, high precision, no influence of fluid density, pressure, temperature and viscosity, no movable mechanical parts, high reliability and less maintenance. The instrument parameters can be stable for a long time. At present, when people use the vortex shedding flowmeter to measure fluid, in order to prevent the temperature and the pressure of the fluid in a pipeline from changing and influencing the measurement stability and precision, people install a temperature flow sensor and a flow sensor in the pipeline of the vortex shedding flowmeter to detect the temperature and the pressure of the fluid, so that the temperature and the pressure can be compensated in time, but the existing vortex shedding flowmeter is provided with a set of signal transmission device, cannot be calibrated for the second time, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the problem that the background art provided, provide a flange formula warm-pressing compensation dual signal vortex street flowmeter.

In order to achieve the above object, the utility model provides a following technical scheme: a flange type temperature and pressure compensation double-signal vortex shedding flowmeter comprises a meter body, a first converter and a second converter, wherein flanges are arranged at two ends of the meter body, a first supporting rod is fixed above the middle of the meter body through bolts, the first converter is installed at the upper end of the first supporting rod, a pressure signal joint is connected to the side face of the upper end of the first converter, the pressure signal joint is connected with the inside of the meter body through a condensation elbow, a needle valve is installed on the condensation elbow, a second supporting rod is fixed below the middle of the meter body through bolts, and the second converter is installed at the lower end of the second supporting rod;

the inside first sensor that is provided with of first bracing piece, and first sensor installs inside the mounting groove at table body middle part, and the internal weld of table of mounting groove side has vortex street emergence body, installs the second sensor on the inside table body of second bracing piece, and the second sensor corresponds with first sensor.

Preferably, the middle part of the flange is provided with a raised bump, the side surface of the bump is uniformly provided with a through hole, the outer side plate of the bump is provided with a clamping groove with a groove structure, the outer side of the bump is provided with an inclined plane, and the bottom of the inclined plane on the outer side of the bump extends into the bottom of the clamping groove.

Preferably, the second converter passes through the bolt fastening on the table body to the first sensor lower extreme that the fixed plate middle part set up is deep into to the table internal portion, and the sealed pad of graphite material is installed to mounting groove upper end and fixed plate lower extreme junction simultaneously.

Preferably, the first sensor is a TCS-K-2 temperature and flow integrated sensor, the second sensor arranged inside the second support rod is a vortex street flow sensor, the first support rod fixed on the first converter corresponds to the second converter, the second sensor is connected with the second converter through a flow signal line, and the first converter and the first sensor are connected through a flow signal line and a temperature signal line.

Preferably, the first support rod and the second support rod are of the same hollow structure, the lower end of the first support rod is of a circular truncated cone structure, and the upper end of the second support rod is of a circular truncated cone structure.

Preferably, the outer shell of the first converter is made of plastic, the first support rod arranged at the lower end of the first converter and the meter body are made of stainless steel, and the first converter is fixed on the first support rod in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that: this flange formula warm-pressing compensation dual signal vortex flowmeter, the adoption sets up the recess in traditional flange joint department, sealed pad at recess internally mounted, play spacing effect, the leakproofness of installation is improved, structurally set up two sets of converters simultaneously, satisfy dual signal transmission, can carry out the calibration of data, can not receive the influence after single damage yet, can continue to use, set up the condensation return bend at a set of converter simultaneously, be used for connecting the manometer and manometer measuring equipment or the accessory between the pipeline, be used for buffering the transient impact of measurand medium to the manometer spring pipe, can reduce the temperature of measurand medium simultaneously, protect the manometer.

Drawings

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

FIG. 2 is a schematic view of the installation of the first sensor of the structure of the present invention;

fig. 3 is the installation schematic diagram of the structural flange of the present invention.

In the figure: 1. a watch body; 2. a flange; 3. a first sensor; 4. a condensation elbow; 5. a needle valve; 6. a pressure signal connector; 7. a first converter; 8. a first support bar; 9. a flow signal line; 10. a temperature signal line; 11. a second sensor; 12. a second support bar; 13. a second converter; 14. a vortex street generator; 15. a fixing plate; 16. mounting grooves; 17. a gasket; 18. a bump; 19. a clamping groove; 20. and a through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flange type temperature and pressure compensation double-signal vortex shedding flowmeter comprises a meter body 1, a first converter 7 and a second converter 13, wherein flanges 2 are arranged at two ends of the meter body 1, a first supporting rod 8 is fixed above the middle of the meter body 1 through bolts, the first converter 7 is installed at the upper end of the first supporting rod 8, a pressure signal connector 6 is connected to the side surface of the upper end of the first converter 7, the pressure signal connector 6 is connected with the inside of the meter body 1 through a condensation elbow 4, a needle valve 5 is installed on the condensation elbow 4, a second supporting rod 12 is fixed below the middle of the meter body 1 through bolts, the lower end of the second supporting rod 12 is provided with the second converter 13, a first sensor 3 is arranged inside the first supporting rod 8, the first sensor 3 is installed inside a mounting groove 16 in the middle of the meter body 1, and a vortex generating body 14 is welded inside the meter body 1 on the side surface of the mounting groove 16, a second sensor 11 is arranged on the watch body 1 in the second support rod 12, and the second sensor 11 corresponds to the first sensor 3; the middle part of the flange 2 is provided with a raised bump 18, the side of the bump 18 is uniformly provided with through holes 20, the outer side plate of the bump 18 is provided with a clamping groove 19 with a groove structure, the outer side of the bump 18 is provided with an inclined plane, the bottom of the inclined plane at the outer side of the bump 18 extends into the bottom of the clamping groove 19, the pipeline connecting the flanges 2 at two ends of the meter body 1 is provided with the clamping groove 19 at the side of the flange 2, a sealing gasket is arranged between the clamping groove 19 and the flange on the pipeline, the outer side of the sealing gasket is clamped at the outer side of the clamping groove 19, a bolt penetrates into the through hole 20 at the same time, the flow meter is better arranged on the pipeline, the inside of the compressed sealing gasket is extruded on the side of the bump 18, the sealing effect is good, meanwhile, when the flow meter is assembled, the first sensor 3 and the second sensor 11 are correspondingly, play sealed effect, later fix first bracing piece 8 and second bracing piece 12 in table body 1 side, and can install the outside casing of first converter 7 and second converter 13 on first bracing piece 8 and second bracing piece 12, later place inside signal amplifier inside the casing, connect condensation elbow 4 on pressure signal connects 6 simultaneously, be used for connecting the accessory between manometer and the manometer equipment or the pipeline, be used for buffering the transient impact of measured medium to the manometer spring tube, can reduce the temperature of measured medium simultaneously, be the device that protects the manometer.

The second converter 13 is fixed on the watch body 1 by bolts, and the lower end of the first sensor 3 arranged in the middle of the fixing plate 15 is inserted into the watch body 1, meanwhile, a graphite gasket 17 is arranged at the joint of the upper end of the mounting groove 16 and the lower end of the fixing plate 15, so that the first sensor 3 and the second sensor 11 can be effectively mounted in the watch body 1, and can play a role in sealing installation, the first sensor 3 is a TCS-K-2 temperature and flow integrated sensor, and the second sensor 11 arranged inside the second support rod 12 is a vortex street flow sensor, meanwhile, the first supporting rod 8 fixed on the first converter 7 corresponds to the second converter 13, and the second sensor 11 is connected with the second converter 13 through a flow signal line, and the first converter 7 and the first sensor 3 are connected through a flow signal line 9 and a temperature signal line 10 to form two sets of first converter 7 and second converter 13 for signal transmission.

First bracing piece 8 and second bracing piece 12 are hollow looks isostructure, and 8 lower extremes of first bracing piece are the round platform structure, and 12 upper ends of second bracing piece are the round platform structure, play the effect of parcel first sensor 3 and

second sensor

11, 7 outside casings of first converter are the plastics material, and first bracing piece 8 and the table body 1 that 7 lower extremes of first converter set up are stainless steel material constitution, and first converter 7 spiro union is fixed on first bracing piece 8.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange formula temperature and pressure compensation dual signal vortex flowmeter, includes table body (1), first converter (7) and second converter (13), its characterized in that: the novel meter is characterized in that flanges (2) are arranged at two ends of the meter body (1), a first supporting rod (8) is fixed above the middle of the meter body (1) through bolts, a first converter (7) is installed at the upper end of the first supporting rod (8), a pressure signal joint (6) is connected to the side face of the upper end of the first converter (7), the pressure signal joint (6) is connected with the inside of the meter body (1) through a condensation elbow (4), a needle valve (5) is installed on the condensation elbow (4), a second supporting rod (12) is fixed below the middle of the meter body (1) through bolts, and a second converter (13) is installed at the lower end of the second supporting rod (12);

first bracing piece (8) inside is provided with first sensor (3), and first sensor (3) are installed inside mounting groove (16) at table body (1) middle part, and the table body (1) internal weld of mounting groove (16) side has vortex street emergence body (14), installs second sensor (11) on the table body (1) of second bracing piece (12) inside, and second sensor (11) correspond with first sensor (3).

2. The flange-type temperature-pressure compensation dual-signal vortex shedding flowmeter of claim 1, wherein: the flange is characterized in that a raised bump (18) is arranged in the middle of the flange (2), through holes (20) are uniformly formed in the side face of the bump (18), a clamping groove (19) with a groove structure is formed in an outer side plate of the bump (18), an inclined plane is arranged on the outer side of the bump (18), and the bottom of the inclined plane on the outer side of the bump (18) extends into the bottom of the clamping groove (19).

3. The flange-type temperature-pressure compensation dual-signal vortex shedding flowmeter of claim 1, wherein: the second converter (13) is fixed on the watch body (1) through a bolt, the lower end of the first sensor (3) arranged in the middle of the fixing plate (15) extends into the watch body (1), and a sealing gasket (17) made of graphite is arranged at the joint of the upper end of the mounting groove (16) and the lower end of the fixing plate (15).

4. The flange-type temperature-pressure compensation dual-signal vortex shedding flowmeter of claim 1, wherein: first sensor (3) are the integrative sensor of TCS-K-2 temperature flow, and second sensor (11) that second bracing piece (12) inside set up are vortex street flow sensor, and first bracing piece (8) of fixing on first converter (7) correspond with second converter (13) simultaneously, and second sensor (11) pass through flow signal line and connect second converter (13), and first converter (7) and first sensor (3) pass through flow signal line (9) and temperature signal line (10) are connected.

5. The flange-type temperature-pressure compensation dual-signal vortex shedding flowmeter of claim 1, wherein: the first supporting rod (8) and the second supporting rod (12) are of the same hollow structure, the lower end of the first supporting rod (8) is of a circular truncated cone structure, and the upper end of the second supporting rod (12) is of a circular truncated cone structure.

6. The flange-type temperature-pressure compensation dual-signal vortex shedding flowmeter of claim 1, wherein: the outer shell of the first converter (7) is made of plastic materials, the first supporting rod (8) arranged at the lower end of the first converter (7) and the meter body (1) are made of stainless steel materials, and the first converter (7) is fixed on the first supporting rod (8) in a threaded connection mode.