CN208595939U - The double-U-shaped mass flowmenter of law of conservation - Google Patents

Abstract

The utility model discloses the double-U-shaped mass flowmenters of law of conservation, including current divider, the left and right ends of the current divider are respectively arranged with the second connecting flange and the first connecting flange, and the outer end face lower end of current divider is fixedly welded with incubator, first connecting flange is located at the left end of current divider, feed inlet is provided among the left side of first connecting flange, second connecting flange is located at the right end of current divider, and second the right side middle position of connecting flange be provided with discharge port, the incubator is internally provided with heat preservation inner cavity, the side wall inner cavity of incubator is provided with equally distributed more resistive heaters, and the right side outer wall of incubator is provided with the flowing water Valve being connected with side wall inner cavity, the utility model is shaken by being arranged using the U-shaped measurement pipe being parallel to each other, measure required result, utilize incubator and resistance Buddhist nun's plate influences the factor of result to eliminate, so that the result of measurement is more accurate, practical value with higher.

Description

The double-U-shaped mass flowmenter of law of conservation

Technical field

The utility model relates to mass flowmenter technical fields, the specially double-U-shaped mass flowmenter of law of conservation.

Background technique

Mass flowmenter directly measures the mass flow by the medium of flowmeter, also can measure the density and indirectly of medium The temperature of measuring medium.Fluid media (medium) flows through the vibrating tube of sensor, and Coriolis stress effect will be generated on vibration tube, makes two vibrations Tubotorsion vibration, the detection coil for being mounted on vibration tube both ends will generate two groups of different signals of phase, the phase of the two signals Difference relationship proportional to the liquid mass flow for flowing through sensor.Machine solution calculates the mass flow for flowing through vibration tube.Different When medium flows through sensor, the master oscillator frequenc of vibration tube is different, calculates Media density accordingly.

It for current Quality flowmeter, can accurately be measured using the mass conservation law of flowmeter, but extraneous temperature Variation can have an impact the liquid in pipeline, cause the inaccuracy of measurement, and measure the mutual vibration between pipeline by pipe The transmission in road, shaking force will also result in influence to the liquid inside current divider, so that resultant error is larger.

Utility model content

The purpose of this utility model is to provide the double-U-shaped mass flowmenters of law of conservation, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions:

The double-U-shaped mass flowmenter of law of conservation, including current divider, the left and right ends of the current divider are respectively arranged with second Connecting flange and the first connecting flange, and the outer end face lower end of current divider is fixedly welded with incubator, first connecting flange Positioned at the left end of current divider, feed inlet is provided among the left side of the first connecting flange, second connecting flange, which is located at, to be divided The right end of device is flowed, and the right side middle position of the second connecting flange is provided with discharge port, the incubator is internally provided with Inner cavity is kept the temperature, the side wall inner cavity of incubator is provided with equally distributed more resistive heaters, and the right side outer wall of incubator Be provided with the flowing water Valve being connected with side wall inner cavity, the upper end of the heat preservation inner cavity be provided with current divider junction connect it is convex The lower end surface of platform, the connection boss is fixedly connected with first measurement pipe and the second measurement pipe of two distributions that are parallel to each other, institute It states and is fixedly connected between the first measurement pipe and the second measurement pipe by fixed plate, the front end of the first measurement pipe and the second measurement pipe connects The place of connecing is provided with two pieces of damping sheets being parallel to each other, and the first measurement pipe and the second measurement pipe rear end pipe bent position are provided with bracket, institute The both ends for stating bracket are fixedly mounted on the inner wall of heat preservation inner cavity, and the upper surface of bracket is equipped with electromagnetism vibration exciter, and the electromagnetism swashs The left and right ends of shake device are connected with the coil that impulses, the coil that impulses extend to the left and right and with the first measurement pipe and the second measurement pipe Outer wall connection, and the junction of impulse coil and the first measurement pipe and the second measurement pipe is provided with electromagnetic detector.

Preferably, filled with water or other heating liquid between the side wall inner cavity and resistive heater of the incubator.

Preferably, the left and right end face of second connecting flange and the first connecting flange is provided with circumference array distribution Multiple bolts hole.

Preferably, the upper surface of the connection boss is connected with the inner cavity of current divider.

Compared with prior art, the utility model has the beneficial effects that the utility model is placed in by that will measure pipeline The inside of incubator carries out heating by liquid of the resistive heater to incubator side wall inner cavity to reach heat preservation inner cavity and keep The state of constant temperature eliminates influence of the temperature to measurement result；By the U type measurement pipe being parallel to each other using two, so that two Root measurement pipe twisting vibration, the detection coil for being mounted on measurement pipe both ends will generate two groups of different signals of phase, the two letters Number phase difference relationship proportional to the liquid mass flow for flowing through sensor, further measure required result；By U type measurement pipe and current divider junction be arranged two pieces of damping sheets being parallel to each other so that the vibration of U type measurement pipe pipe bent position By the propagation of transverse tube, it is damped plate absorption before reaching current divider, avoids the influence shaken to current divider, further mentions The high precision of measurement.Compared with prior art, the utility model is shaken by being arranged using the U type measurement pipe being parallel to each other, Needed for measuring as a result, using incubator and damping sheet to eliminate the factor for influencing result, so that the result of measurement is more Accurately, practical value with higher.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the side structure schematic view of the utility model.

In figure: 1 current divider, 2 feed inlets, 3 second connecting flanges, 4 bolts hole, 5 first connecting flanges, 6 discharge ports, 7 connect Connect boss, 8 incubators, 9 fixed plates, 10 first measurement pipes, 11 electromagnetic detectors, 12 heat preservation inner cavities, 13 damping sheets, 14 electromagnetism swash Shake device, 15 resistive heaters, 16 flowing water Valves, 17 brackets, 18 second measurement pipes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:

The double-U-shaped mass flowmenter of law of conservation, including current divider 1, the left and right ends of current divider 1 are respectively arranged with the second company Acting flange 3 and the first connecting flange 5, and the outer end face lower end of current divider 1 is fixedly welded with incubator 8, the first connecting flange 5 Feed inlet 2 is provided among the left end of current divider 1, the left side of the first connecting flange 5, the second connecting flange 3, which is located at, to be shunted The right end of device 1, and the right side middle position of the second connecting flange 3 is provided with discharge port 6, the second connecting flange 3 and first connects The left and right end face of acting flange 5 is provided with multiple bolts hole 4 of circumference array distribution so that feed inlet 2 and discharge port 6 it is convenient with The connection of extraneous pipeline.

Incubator 8 is internally provided with heat preservation inner cavity 12, and the side wall inner cavity of incubator 8 is provided with equally distributed more and adds Hot water radiation wire 15 passes through heating filled with water or other heating liquid between the side wall inner cavity and resistive heater 15 of incubator 8 The heating of 15 pairs of resistance wire heating liquid, further makes box house reach the environment of constant temperature, and the right side of incubator 8 Outer wall is provided with the flowing water Valve 16 being connected with side wall inner cavity, and the upper end of heat preservation inner cavity 12 is provided with 1 junction of current divider Boss 7 is connected, the lower end surface of connection boss 7 is fixedly connected with first measurement pipe 10 and the second measurement of two distributions that are parallel to each other The upper surface of pipe 18, connection boss 7 is connected with the inner cavity of current divider 1, measures the first measurement pipe 10, second Pipe 18 is connected with the inner cavity of current divider 1, so that liquid flows into inside measurement pipe.

It is fixedly connected between first measurement pipe 10 and the second measurement pipe 18 by fixed plate 9, the first measurement pipe 10 and second The front end junction of measurement pipe 18 is provided with two pieces of damping sheets being parallel to each other 13, after the first measurement pipe 10 and the second measurement pipe 18 End pipe bent position is provided with bracket 17, and the both ends of bracket 17 are fixedly mounted on the inner wall of heat preservation inner cavity 12, the upper surface peace of bracket 17 Equipped with electromagnetism vibration exciter 14, the left and right ends of electromagnetism vibration exciter 14 are connected with the coil that impulses, which extends simultaneously to the left and right It is connect with the outer wall of the first measurement pipe 10 and the second measurement pipe 18, and impulse coil and the first measurement pipe 10 and the second measurement pipe 18 Junction be provided with electromagnetic detector 11.

Working principle: connecting first with the second connecting flange 3 and the first connecting flange 5 with the bolt of extraneous pipeline will Testing liquid flows to inside current divider 1 by feed inlet 2, due in the first measurement pipe 10, the second measurement pipe 18 and current divider 1 Chamber is connected, and realizes that liquid flows into inside measurement pipe.Pass through coil effect and the first measurement pipe 10 of impulsing in electromagnetism vibration exciter 14 With the outer wall of the second measurement pipe 18 so that 18 twisting vibration of the first measurement pipe 10 and the second measurement pipe, is mounted on measurement pipe both ends Electromagnetic detector 11 will generate two groups of different signals of phase, the phase difference of the two signals and the fluid for flowing through sensor The proportional relationship of flow is measured, as a result, utilizing 15 pairs of heating liquid of resistive heater in measurement process needed for further measuring Heating, further to keep the temperature inner cavity 12 and reach the environment of constant temperature, and by U type measurement pipe connect with current divider 1 Setting two pieces of damping sheets 13 being parallel to each other in place's reach so that the propagation of transverse tube is passed through in the vibration of U type measurement pipe pipe bent position It is damped the absorption of plate 13 before current divider 1, avoids the influence shaken to current divider 1, and then improve the precision of measurement.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. the double-U-shaped mass flowmenter of law of conservation, including current divider (1), it is characterised in that: the left and right two of the current divider (1) End is respectively arranged with the second connecting flange (3) and the first connecting flange (5), and the outer end face lower end of current divider (1) is fixedly welded Have incubator (8), first connecting flange (5) is located at the left end of current divider (1), in the left side of the first connecting flange (5) Between be provided with feed inlet (2), second connecting flange (3) is located at the right end of current divider (1), and the second connecting flange (3) Right side middle position is provided with discharge port (6), and the incubator (8) is internally provided with heat preservation inner cavity (12), incubator (8) Side wall inner cavity be provided with equally distributed more resistive heaters (15), and the right side outer wall of incubator (8) be provided with The flowing water Valve (16) that side wall inner cavity is connected, the upper end and current divider (1) junction of heat preservation inner cavity (12) are provided with company Connect boss (7), it is described connection boss (7) lower end surface be fixedly connected with two distributions that are parallel to each other the first measurement pipe (10) and Second measurement pipe (18) is fixedly connected between first measurement pipe (10) and the second measurement pipe (18) by fixed plate (9), the The front end junction of one measurement pipe (10) and the second measurement pipe (18) is provided with two pieces of damping sheets being parallel to each other (13), and first surveys Buret (10) and the second measurement pipe (18) rear end pipe bent position are provided with bracket (17), and the both ends of the bracket (17) are fixedly mounted on The inner wall of inner cavity (12) is kept the temperature, the upper surface of bracket (17) is equipped with electromagnetism vibration exciter (14), the electromagnetism vibration exciter (14) Left and right ends are connected with the coil that impulses, the coil that impulses extend to the left and right and with the first measurement pipe (10) and the second measurement pipe (18) Outer wall connection, and the junction of impulse coil and the first measurement pipe (10) and the second measurement pipe (18) is provided with electromagnetic detector (11).

2. the double-U-shaped mass flowmenter of law of conservation according to claim 1, it is characterised in that: the side of the incubator (8) Filled with water or other heating liquid between wall inner cavity and resistive heater (15).

3. the double-U-shaped mass flowmenter of law of conservation according to claim 1, it is characterised in that: second connecting flange (3) and the left and right end face of the first connecting flange (5) is provided with multiple bolts hole (4) that circumference array is distributed.

4. the double-U-shaped mass flowmenter of law of conservation according to claim 1, it is characterised in that: connection boss (7) Upper surface is connected with the inner cavity of current divider (1).