CN209512938U - A kind of liquid vortex-shedding meter with exhaust apparatus - Google Patents

Abstract

The utility model provides a kind of liquid vortex-shedding meter with exhaust apparatus, including sequentially connected ontology, bracket and flux of vortex street converter, and eddy generator is equipped in the ontology, and the eddy generator upstream of the flowmeter is equipped with exhaust apparatus.This kind has the liquid vortex-shedding meter of exhaust apparatus, exhaust apparatus is equipped in the eddy generator upstream of the flowmeter, liquid is before flowing through eddy generator and inductor, gas collection in liquid is into exhaust apparatus, the gas componant in liquid is avoided to influence the measurement accuracy of flowmeter, there is no requirement for height when installation, so that the installation of flowmeter is more convenient, reduce the redundant line and production cost generated by installation flowmeter, the air discharge cook of exhaust apparatus opening designs, so that the discharge of gas is safer controllable, the gas in pipeline can be discharged at any time, reduce the gas content in pipeline, purer required liquid is provided for the downstream of pipeline.

Description

A kind of liquid vortex-shedding meter with exhaust apparatus

Technical field

The utility model relates to a kind of vortex-shedding meters, more particularly to a kind of liquid flux of vortex street with exhaust apparatus Meter.

Background technique

Vortex-shedding meter shakes principle by applicating fluid to measure fluid flow, and eddy generator is arranged in a fluid, Well-regulated Von Karman vortices then are alternately produced from eddy generator two sides, whirlpool is listed in the asymmetrical row in eddy generator downstream Column transmit vortex frequency signal by the inductor in eddy generator downstream, and flux of vortex street converter is again by inductor transmission Vortex frequency signal is converted into fluid flow.

Vortex-shedding meter structure is simple, no movable member, long-term running high reliablity, and easy to maintain, is answered extensively Flow measurement for a variety of media industry pipelines such as gas, liquid, steam.

For the requirement for meeting whirlpool measurement, the upstream and downstream of vortex-shedding meter has the requirement of flow development length, and measures liquid When flow, if containing a small amount of gas in fluid to be measured, sensor should be mounted on the lower of pipeline, prevent in fluid to be measured Gas interference measurement data, but in some applications, the setting of pipeline is difficult to meet installation requirement.

Summary of the invention

In view of this, the utility model is intended to overcome above-mentioned defect existing in the prior art, provide a kind of with exhaust The liquid vortex-shedding meter of device.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of liquid vortex-shedding meter with exhaust apparatus, including sequentially connected ontology, bracket and flux of vortex street turn Parallel operation, the ontology is interior to be equipped with eddy generator, and the eddy generator upstream of the flowmeter is equipped with exhaust apparatus；

The exhaust apparatus includes air storage bag set by gas collecting tube sum aggregate upper tracheal, the gas collecting tube by ontology feed liquor one Lateral edge camber line is folded upward at, and air discharge cook is equipped at the upper end opening of the air storage bag.

Further, the air storage bag is equipped with observation window.

Further, the air discharge cook includes end pipe and buckle closure, and the open end of the end pipe is equipped with end cap, the end cap It is equipped with gas vent A, the buckle closure is buckled on end cap.

Further, the buckle closure lower part is equipped with baffle ring, and the baffle ring is mutually clamped with positioning ring set in end pipe, the button It covers and is equipped with gas vent B.

Further, returning spring is equipped between the buckle closure and end pipe, the both ends of the returning spring are connected in respectively Set fixture block on buckle closure and end pipe, under natural conditions, the returning spring are in the state inwardly tightened.

Further, sealing rubber ring is arranged at the top of the end pipe.

Compared with the existing technology, the beneficial effects of the utility model are:

(1) row should be equipped in the eddy generator upstream of the flowmeter with the liquid vortex-shedding meter of exhaust apparatus Device of air, for liquid before flowing through eddy generator and inductor, the gas collection in liquid avoids liquid into exhaust apparatus In gas componant influence flowmeter measurement accuracy.

(2) should with liquid vortex-shedding meter of exhaust apparatus, when installation, there is no requirement for height so that the peace of flowmeter It is more convenient to fill, and reduces the redundant line and production cost generated by installation flowmeter.

(3) should make to bring about the desired sensation with the liquid vortex-shedding meter of exhaust apparatus, the air discharge cook design of exhaust apparatus opening The discharge of body is safer controllable, and the gas in pipeline can be discharged at any time, reduce the gas content in pipeline, is under pipeline Trip provides purer required liquid.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is a kind of overall structure diagram with exhaust apparatus described in the utility model；

Fig. 2 is a kind of air discharge cook perspective structure schematic diagram with exhaust apparatus described in the utility model；

Fig. 3 is a kind of end pipe perspective structure schematic diagram with exhaust apparatus described in the utility model；

Fig. 4 is a kind of end cap perspective structure schematic diagram with exhaust apparatus described in the utility model.

Description of symbols:

1- ontology；2- bracket；3- flux of vortex street converter；4- exhaust apparatus；41- gas collecting tube；42- air storage bag；421- is seen Examine window；43- air discharge cook；431- end pipe；4311- end cap；4312- gas vent A；4313- positioning ring；432- buckle closure；4321- row Stomata B；4322- baffle ring；433- returning spring；434- fixture block.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments:

A kind of liquid vortex-shedding meter with exhaust apparatus, including sequentially connected ontology 1, bracket 2 and flux of vortex street Converter 3, the ontology 1 is interior to be equipped with eddy generator, and the eddy generator upstream of the flowmeter is equipped with exhaust apparatus 4.

The density of air be less than liquid, in transfer pipeline on float on the top Guan Dao, float with the flowing of liquid, 4 top of exhaust apparatus is floated up to by gas when exhaust apparatus 4, until gassy in exhaust apparatus 4.

The exhaust apparatus 4 includes air storage bag 42 set by 41 top of gas collecting tube 41 and gas collecting tube, and the gas collecting tube 41 is by this The one lateral edge camber line of feed liquor of body 1 is folded upward at, and the cambered design of gas collecting tube 41 is easier the collection of gas, without with The liquid quickly flowed is directly flushed to downstream, and air storage bag 42 is equipped with biggish cavity, for storing gas.

The air storage bag 42 is equipped with observation window 421, for observing the gas content in air storage bag 42.

4 opening of exhaust apparatus is equipped with air discharge cook 43, and the air discharge cook 43 includes end pipe 431 and buckle closure 432, The open end of the end pipe 431 is equipped with end cap 4311, and the buckle closure 432 is buckled on end cap 4311, the buckle closure 432 and end pipe Returning spring 433 is equipped between 431, the top of the end pipe 431 is arranged with sealing rubber ring, prevents gas from leaking.

The both ends of the returning spring 433 are connected in set fixture block 434, nature in buckle closure 432 and end pipe 431 respectively Under, the returning spring 433 is in the state inwardly tightened.

The end cap 4311 is equipped with gas vent A4312, and the buckle closure 432 is equipped with gas vent B4321, nature Under, the two is located proximate to but is not mutually communicated.

432 lower part of buckle closure is equipped with baffle ring 4322, the baffle ring 4322 and 4313 phase card of positioning ring set in end pipe 431 It connects.

When exhaust, buckle closure 432 is screwed, spring is tightened again, until gas vent A4312 and gas vent B4321 is mutually communicated, At the end of exhaust, buckle closure 432 is unclamped, spring expands outwardly, and buckle closure 432 restores under the action of returning spring 433 to natural shape State, gas vent A4312 are located remotely from each other with gas vent B4321, and air discharge cook 43 restores to closed state.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (6)

1. a kind of liquid vortex-shedding meter with exhaust apparatus, including sequentially connected ontology (1), bracket (2) and vortex street stream Energy converter (3), the ontology (1) is interior to be equipped with eddy generator, which is characterized in that the eddy generator upstream of the flowmeter Equipped with exhaust apparatus (4)；

The exhaust apparatus (4) includes air storage bag (42) set by gas collecting tube (41) and gas collecting tube (41) top, the gas collecting tube (41) it is folded upward at by the one lateral edge camber line of feed liquor of ontology (1), air discharge cook is equipped at the upper end opening of the air storage bag (42) (43)。

2. a kind of liquid vortex-shedding meter with exhaust apparatus according to claim 1, it is characterised in that: the gas storage Capsule (42) is equipped with observation window (421).

3. a kind of liquid vortex-shedding meter with exhaust apparatus according to claim 1, it is characterised in that: the exhaust Switch (43) includes end pipe (431) and buckle closure (432), and the open end of the end pipe (431) is equipped with end cap (4311), the end cap (4311) gas vent A (4312) are equipped with, the buckle closure (432) is buckled on end cap (4311).

4. a kind of liquid vortex-shedding meter with exhaust apparatus according to claim 3, it is characterised in that: the buckle closure (432) lower part is equipped with baffle ring (4322), and the baffle ring (4322) is mutually clamped with positioning ring (4313) set on end pipe (431), institute Buckle closure (432) are stated equipped with gas vent B (4321).

5. a kind of liquid vortex-shedding meter with exhaust apparatus according to claim 4, it is characterised in that: the buckle closure (432) returning spring (433) are equipped between end pipe (431), the both ends of the returning spring (433) are connected in buckle closure respectively (432) set fixture block (434) and in end pipe (431), under natural conditions, the returning spring (433) are in the state inwardly tightened.

6. a kind of liquid vortex-shedding meter with exhaust apparatus according to claim 3, it is characterised in that: the end pipe (431) sealing rubber ring is arranged at the top of.