CN211926968U

CN211926968U - Double-signal vortex street flowmeter

Info

Publication number: CN211926968U
Application number: CN202020444597.XU
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: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-13
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a dual signal vortex flowmeter, including the table body, bracing piece I and slide needle valve, mounting groove, recess and through-hole have been seted up to the table body, and the internal vortex emergence body that is provided with of table, bracing piece I and bracing piece II spiro union have converter I and converter II respectively, I upper end of sensor is connected with flow signal line and temperature signal line, II lower extremes of sensor link together with the signal line, and II upper ends of sensor pass in the through-hole gets into the cavity, converter I links together with pressure sensor, and the pressure sensor below is connected with the needle valve, needle valve below is provided with the condensation and bends, and the curved below of condensation is connected with the connecting pipe, the connecting pipe bottom is installed in the mounting groove. This dual signal vortex flowmeter, the structure sets up rationally, sets up the accessory that is used for measuring two kinds of media of gas and liquid respectively through both sides about the table body, makes the flowmeter need not to measure different media with trading the accessory, and easy operation does benefit to the popularization.

Description

Double-signal vortex street flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically is a dual signal vortex flowmeter.

Background

The vortex shedding flowmeter is a volume flowmeter which is researched and produced according to the Karman vortex shedding principle and is used for measuring the volume flow of gas, steam or liquid and the volume flow or the mass flow under standard conditions, is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media such as gas, liquid, steam and the like, has very different frequency ranges due to very different flow speed ranges of the liquid and the gas in actual work, has different circuit parameters for processing vortex shedding signals, so the same circuit parameter can not be used for measuring different media, different accessories are required to be configured when the same vortex shedding flowmeter is used for measuring different media, the operation is complicated, the vortex shedding flowmeter on the market adopts a split structure, a vortex shedding sensor, a temperature sensor, a pressure transmitter and a flow integrator are arranged at different positions of a pipeline, and the parameters of the media reaching different positions after being transmitted by the pipeline can be changed, resulting in large deviations in the measurement results.

In order to overcome the defects in the existing market, the technology of the vortex shedding flowmeter is urgently needed to be improved, the safe operation of the vortex shedding flowmeter can be better ensured, and the development of the instrument industry is promoted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual signal vortex flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-signal vortex shedding flowmeter comprises a meter body, a support rod I and a slide seat needle valve, wherein the meter body is provided with a mounting groove, a groove and a through hole, a vortex generating body is arranged in the meter body, the upper side and the lower side of the meter body are respectively connected with the support rod I and the support rod II, the support rod I and the support rod II are respectively in threaded connection with a converter I and a converter II, mounting seats are respectively arranged in the bottom ends of the support rod I and the support rod II, a sensor I is arranged in the mounting seat in the support rod I, a sensor II is arranged in the mounting seat in the support rod II, the upper end of the sensor I is connected with a flow signal line and a temperature signal line, the lower end of the sensor I penetrates through the through hole to enter a cavity, the lower end of the sensor II penetrates through the through hole to enter the cavity, the converter I is connected with, the needle valve below is provided with the condensation curved, and the curved below of condensation is connected with the connecting pipe, the connecting pipe bottom is installed in the mounting groove.

Preferably, both sides all seted up the recess about the table body, seted up the through-hole on the table body of recess center department below, the table body upside is drawn close to left and is seted up the mounting groove, and the internal portion of table between mounting groove and the through-hole is provided with the vortex generator.

Preferably, the mounting groove is Z-shaped, a connecting pipe is inserted into the upper port of the mounting groove, and the lower port of the mounting groove is communicated with the cavity.

Preferably, the top end of the connecting pipe is connected with a condensation bend, the condensation bend is in a circular ring shape, and the other end of the condensation bend is connected with the needle valve.

Preferably, bracing piece I and mount pad spiro union are fixed in the recess of table body upside, and the mount pad parcel is inboard at bracing piece I, and I top spiro union of bracing piece has converter I, and converter I links to each other with sensor I through flow signal line and temperature signal line.

Preferably, II and the mount pad spiro union of bracing piece are fixed in the recess of table body downside, and II bottom spiro unions of bracing piece have converter II, and converter II links to each other with sensor II through the signal line.

Preferably, the left side and the right side of the pressure sensor are respectively connected with the needle valve and the converter I.

Preferably, the sensor I and the sensor II are symmetrically distributed at the upper end and the lower end of the cavity, and the vortex generating body is positioned on the left sides of the sensor I and the sensor II.

Compared with the prior art, the beneficial effects of the utility model are that: this dual signal vortex flowmeter, the structure sets up rationally, both sides set up the accessory that is used for measuring two kinds of different media of gas and liquid respectively about the table body, make the flowmeter need not to measure different media with trading the accessory, and easy operation does benefit to the popularization, but through setting up sensor I of simultaneous measurement temperature and flow, with the temperature and the flow signal transmission of same position medium to converter I, reduce measuring error, through setting up "Z" type mounting groove and condensation are curved, prevent that the high temperature medium from causing the harm to pressure sensor, the safe operation of assurance vortex flowmeter that can be better, promote the development of instrument and instrument trade.

Drawings

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

fig. 2 is a front view showing the structure of the present invention.

In the figure: 1. a watch body; 2. a flow signal line; 3. a temperature signal line; 4. a support rod I; 5. A converter I; 6. a pressure sensor; 7. a needle valve; 8. condensation bending; 9. a converter II; 10. a support rod II; 11. a signal line; 12. a vortex generating body; 13. mounting grooves; 14. a groove; 15. a mounting seat; 16. a sensor II; 17. a cavity; 18. a sensor I; 19. a through hole; 20. and (4) connecting the pipes.

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. 1-2, the present invention provides a technical solution: a dual-signal vortex shedding flowmeter comprises a meter body 1, a support rod I4 and a sliding seat needle valve 7, wherein the meter body 1 is provided with a mounting groove 13, a groove 14 and a through hole 19, a vortex generating body 12 is arranged in the meter body 1, the upper side and the lower side of the meter body 1 are respectively connected with the support rod I4 and a support rod II 10, the upper side and the lower side of the meter body 1 are respectively provided with the groove 14, the through hole 19 is arranged on the meter body 1 below the center of the groove 14, the mounting groove 13 is arranged on the upper side of the meter body 1 close to the left, the vortex generating body 12 is arranged in the meter body 1 between the mounting groove 13 and the through hole 19, the structure is reasonable, the meter can measure different media without replacing the accessories by the accessories, the flowmeter can measure the different media, the operation is simple, the popularization is facilitated, the support rod I4 and a mounting seat 15 are fixed in the groove 14, the mounting seat 15 is wrapped on the inner side of the supporting rod I4, the top end of the supporting rod I4 is in threaded connection with the converter I5, the converter I5 is connected with the sensor I18 through the flow signal line 2 and the temperature signal line 3, the supporting rod I4 and the supporting rod II 10 are respectively in threaded connection with the converter I5 and the converter II 9, the mounting seats 15 are arranged inside the bottom ends of the supporting rod I4 and the supporting rod II 10, the sensor I18 is arranged in the mounting seat 15 inside the supporting rod I4, the sensor II 16 is arranged in the mounting seat 15 inside the supporting rod II 10, the supporting rod II 10 and the mounting seat 15 are fixed in the groove 14 on the lower side of the watch body 1 in a threaded mode, the converter II 9 is in threaded connection with the bottom end of the supporting rod II 10, the converter II 9 is connected with the sensor II 16 through the signal line 11, the upper end of the sensor I18 is connected, the sensor I18 and the sensor II 16 are symmetrically distributed at the upper end and the lower end of the cavity 17, the vortex generating body 12 is positioned at the left side of the sensor I18 and the sensor II 16, the sensor I18 capable of measuring temperature and flow simultaneously is arranged, temperature and flow signals of a medium at the same position are transmitted to the converter I5, measuring errors are reduced, the lower end of the sensor II 16 is connected with the signal line 11, the upper end of the sensor II 16 penetrates through the through hole 19 to enter the cavity 17, the converter I5 is connected with the pressure sensor 6, the needle valve 7 is connected below the pressure sensor 6, the left side and the right side of the pressure sensor 6 are respectively connected with the needle valve 7 and the converter I5, the condensation elbow 8 is arranged below the needle valve 7, the connecting pipe 20 is connected below the condensation elbow 8, the top end of the connecting pipe 20 is connected with the condensation elbow 8, and, the curved 8 other ends of condensation links to each other with needle valve 7, install in mounting groove 13 connecting pipe 20 bottom, mounting groove 13 is "Z" type, it has connecting pipe 20 to peg graft in the mounting groove 13 upper port, mounting groove 13 lower port is linked together with cavity 17, through setting up the curved 8 of "Z" type mounting groove 13 and condensation, prevent that the high temperature medium from leading to the fact the harm to pressure sensor 6, the safe operation of assurance vortex street flowmeter that can be better, promote the development of instrument and instrument industry.

The working principle is as follows: when the double-signal vortex street flowmeter is used, the flowmeter is clamped between two mounting flanges of a pipeline, a medium in the pipeline flows through the meter body 1 according to the identification direction of the flowmeter, the medium generates vortex through the vortex generating body 12, when the measuring medium is liquid, the sensor II 16 is in full contact with the vortex generated by the liquid, an accurate flow signal is obtained and is transmitted to the converter II 9 through the signal wire 11, when the measuring medium is gas, the sensor I18 is in full contact with the vortex generated by the gas, accurate flow signals and temperature signals are obtained and are transmitted to the converter I5 through the flow signal line 2 and the temperature signal line 3 respectively, and the gas enters the connecting pipe 20 from the mounting groove 13, passes through the condensation bend 8 and the needle valve 7 and reaches the pressure sensor 6, and the pressure sensor 6 transmits the acquired pressure signal to the converter I5, which is the whole process of the operation of the double-signal vortex flowmeter.

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 dual signal vortex flowmeter, includes table body (1), I (4) of bracing piece and slide needle valve (7), its characterized in that: the vortex generating device is characterized in that the meter body (1) is provided with a mounting groove (13), a groove (14) and a through hole (19), a vortex generating body (12) is arranged in the meter body (1), the upper side and the lower side of the meter body (1) are respectively connected with a support rod I (4) and a support rod II (10), the support rod I (4) and the support rod II (10) are respectively in threaded connection with a converter I (5) and a converter II (9), mounting seats (15) are respectively arranged in the bottom ends of the support rod I (4) and the support rod II (10), a sensor I (18) is arranged in the mounting seat (15) in the support rod I (4), a sensor II (16) is arranged in the mounting seat (15) in the support rod II (10), the upper end of the sensor I (18) is connected with a flow signal line (2) and a temperature signal line (3), the lower end of the sensor I (18, sensor II (16) lower extreme links together with signal line (11), and in through-hole (19) got into cavity (17) were passed to sensor II (16) upper end, converter I (5) linked together with pressure sensor (6), and pressure sensor (6) below is connected with needle type valve (7), needle type valve (7) below is provided with the curved (8) of condensation, and the curved (8) below of condensation is connected with connecting pipe (20), connecting pipe (20) bottom is installed in mounting groove (13).

2. The dual signal vortex shedding flowmeter of claim 1, wherein: the vortex generating meter is characterized in that grooves (14) are formed in the upper side and the lower side of the meter body (1), through holes (19) are formed in the meter body (1) below the center of each groove (14), an installation groove (13) is formed in the upper side of the meter body (1) close to the left, and a vortex generating body (12) is arranged inside the meter body (1) between the installation groove (13) and the through holes (19).

3. The dual signal vortex shedding flowmeter of claim 1, wherein: the mounting groove (13) is Z-shaped, a connecting pipe (20) is inserted into an upper port of the mounting groove (13), and a lower port of the mounting groove (13) is communicated with the cavity (17).

4. The dual signal vortex shedding flowmeter of claim 1, wherein: the top end of the connecting pipe (20) is connected with the condensation elbow (8), the condensation elbow (8) is in a circular ring shape, and the other end of the condensation elbow (8) is connected with the needle valve (7).

5. The dual signal vortex shedding flowmeter of claim 1, wherein: bracing piece I (4) and mount pad (15) spiro union are fixed in recess (14) of table body (1) upside, and mount pad (15) parcel is inboard at bracing piece I (4), and bracing piece I (4) top spiro union has converter I (5), and converter I (5) link to each other with sensor I (18) through flow signal line (2) and temperature signal line (3).

6. The dual signal vortex shedding flowmeter of claim 1, wherein: the support rod II (10) and the mounting seat (15) are fixed in a groove (14) on the lower side of the meter body (1) in a threaded mode, the bottom end of the support rod II (10) is connected with a converter II (9) in a threaded mode, and the converter II (9) is connected with the sensor II (16) through a signal line (11).

7. The dual signal vortex shedding flowmeter of claim 1, wherein: the left side and the right side of the pressure sensor (6) are respectively connected with the needle valve (7) and the converter I (5).

8. The dual signal vortex shedding flowmeter of claim 1, wherein: the sensor I (18) and the sensor II (16) are symmetrically distributed at the upper end and the lower end of the cavity (17), and the vortex generating body (12) is positioned at the left sides of the sensor I (18) and the sensor II (16).