CN203216542U - Novel plug-in type vortex street flowmeter - Google Patents

Novel plug-in type vortex street flowmeter Download PDF

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Publication number
CN203216542U
CN203216542U CN 201320190964 CN201320190964U CN203216542U CN 203216542 U CN203216542 U CN 203216542U CN 201320190964 CN201320190964 CN 201320190964 CN 201320190964 U CN201320190964 U CN 201320190964U CN 203216542 U CN203216542 U CN 203216542U
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CN
China
Prior art keywords
probe
ball valve
plug
generation
mount pad
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Expired - Fee Related
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CN 201320190964
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Chinese (zh)
Inventor
孙向东
聂志刚
毛德丰
余林洪
陈义华
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ZHEJIANG DIYUAN INSTRUMENT CO Ltd
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ZHEJIANG DIYUAN INSTRUMENT CO Ltd
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Priority to CN 201320190964 priority Critical patent/CN203216542U/en
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Publication of CN203216542U publication Critical patent/CN203216542U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a novel plug-in type vortex street flowmeter which solves the problem that in the prior art, the use cost of users is high and the using is troublesome and unstable to conduct. According to the technical scheme, the novel plug-in type vortex street flowmeter comprises a plug-in type vortex street flowmeter sensor, a ball valve base, a ball valve and a converter, wherein the converter is connected with the ball valve, the ball valve is fixed on the ball valve base, the ball valve base is fixed with a pipe fitting in a welded mode, the plug-in type vortex street flowmeter sensor comprises an insertion rod, a probe installation base, a probe and a generation body, one end of the insertion rod penetrates through the ball valve and is sealed and fixed, the other end of the insertion rod is connected with the probe installation base, the probe is arranged inside the probe installation base, and the upper end of the generation body is connected with the probe installation base. According to the novel plug-in type vortex street flowmeter, the design cost is reduced, field installation is more convenient for clients to conduct, influence of vibration on the cantilever beam probe is also reduced, and the novel plug-in type vortex street flowmeter has high vibration resistance and measurement stability.

Description

The new plug-in vortex shedding flow meter
Technical field
The utility model is a kind of bellow-type vortex shedding flow meter, particularly relates to a kind of new plug-in vortex shedding flow meter that has than high measurement stability.
Background technology
Vortex shedding flow meter is a kind of flow measurement instrument of movement-less part, it is wide to have usable range, the measuring accuracy height, it is little to wear and tear, but output signal is linear and long-distance transmissions, is convenient to advantages such as installation and maintenance, since late 1960s, vortex shedding flow meter came out, through nearly 40 years development, the row of universal flow have been ranked among.The method of operation of vortex flow sensors is to be based upon on the utilization of the periodic undulations in the Karman vortex street, when detected fluid flows through baffle, when particularly flowing through certain non-aerodynamic body, will form this vortex street, vortex shedding flow meter is a kind of flow measurement instrument of movement-less part, and it is wide to have usable range, the measuring accuracy height, it is little to wear and tear, but output signal is linear and long-distance transmissions, is convenient to advantages such as installation and maintenance.At present, the more plug-in type vortex shedding flow meter of domestic and international application adopts more small-bore flow sensor to insert in the pipeline, is used for measuring the rate-of flow of large diameter pipeline, the flow sensor of insert structure and plain edition vortex flow sensors structural similarity, comprise conduit, probe and generation body.Its principle is exactly that flow sensor with miniaturization inserts ducted mean flow rate point, the flow velocity in the measuring channel, thus convert actual bigbore flow to.The plug-in type vortex shedding flow meter has solved the problem that user's heavy caliber is measured, but because traditional plug-in type flow transducer structure has comprised conduit, body and probe take place, and body and probe separation take place to be fixed on the conduit, strengthened the volume of flow sensor, made the ball valve bore that is used for online dismounting strengthen, the aperture of pipeline mounting hole is bigger, plug-in type vortex street overall weight increases, thereby has directly increased customer using cost and used trouble; In addition on the one hand, because present existing plug-in type vortex flow sensors all adopts the semi-girder sonde configuration, insert the increase of screw rod because the swing of screw rod has increased vibration source, cause using unstable.
Chinese patent publication number CN201637439U, November 17 2010 day for announcing, a kind of bellow-type vortex flow sensors is disclosed, it comprises a putamina that is plugged on regularly on the vortex shedding flow meter, and it also comprises the flexible sheet around the end setting of going deep into described vortex shedding flow meter of described putamina, be arranged on the sensitive element group of the bellows inside of described flexible sheet and described putamina end formation, be filled in the medium between described sensitive element group and the described flexible sheet, one end is connected with described sensitive element group and the other end is drawn the lead-in wire hermetic terminal of described bellows.This technical scheme is just mentioned a kind of bellow-type vortex flow sensors, does not relate to the plug-in type mounting structure.
The utility model content
The purpose of this utility model is to have the customer using cost height and use trouble, use problem of unstable for solving present technical scheme, a kind of design cost that reduces plug-in type flow transducer is provided, reduce because the influence that the semi-girder probe is vibrated has the new plug-in vortex shedding flow meter than high measurement stability.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of new plug-in vortex shedding flow meter, be installed on the pipe fitting, comprise the plug-in type vortex street flowmeter sensor, the ball valve base, ball valve and converter, described converter is connected with described ball valve, ball valve is fixed on the ball valve base, described ball valve base and the welding of described pipe fitting are fixing, described plug-in type vortex street flowmeter sensor comprises insertion rod, the probe mount pad, probe and generation body, one end of described insertion rod passes ball valve sealing and fixes, the other end of described insertion rod is connected with the probe mount pad, be provided with probe in the probe mount pad, the upper end of described generation body is connected with described probe mount pad.The utility model has been removed conduit, probe is installed on the top that body takes place, realize taking place body and sensor probe integral structure, make flow sensor physical dimension reduce greatly, thereby can reduce the aperture of pipeline punching, reduce the selection of valve caliber, thereby reduction user cost, for the user provides convenience, on the other hand, this probe by around sealing and fixing take place body above, the signal that probe is gathered produces the pressure pulse signal that whirlpool causes for body takes place, thereby has reduced the swing of insertion rod and the influence of the vibration interference that causes.
As preferably, body takes place for T shape in described generation body, described generation body comprises midfeather and the diaphragm plate of integral forming, and the extension direction of described midfeather is identical with pipe fitting fluid movement direction, and the extension direction of described diaphragm plate is vertical with pipe fitting fluid movement direction.Arrange like this, its dimensions can satisfy mounting condition, and fluid motion will form this vortex street to the body place takes place, and is convenient to test.
As preferably, described probe mount pad inside offers one and fills out in the described cavity and be provided with probe to the cavity that the side opening takes place, and the upper end of described generation body and described probe mount pad are welded to connect.Arrange like this, guaranteed to pop one's head in and accurately to have tested.
As preferably, the cavity ovalize of described cavity, the long axis direction of described oval cavity is identical with described pipe fitting fluid movement direction.Arrange like this, make sensor to insert easily in the elliptic cavity, ellipse is fixed the probe installation direction.
As preferably, described probe is connected the middle part of described cavity, and the cavity of described probe both sides is communicated with the both sides of the vertical division board of described generation body.When the vortex generation body in the fluid process flowtube, fluid will alternately separate in the both sides in the downstream that the body fluoran stream surface takes place and discharges the vortex that two strings are alternately arranged regularly, separating the pressure pulse cause by vortex visits two through hole in excessive mount pad and enters respectively in two chambers that gone out by probe separation, pressure in two chambers changes the sensitive element that causes the sensor probe both sides and produces charge variation, and it is converted to electric impulse signal is transferred to converter.
As preferably, described probe mount pad is provided with four mounting holes, and described insertion rod is spirally connected fixing by bolt and described mounting hole.Arrange like this, the probe mount pad stably can be fixed insertion rod.
As preferably, adopt gasket seal around the described probe.
As preferably, described generation body is that body takes place non-linear T shape.
As preferably, described probe is bellow-type vortex flow sensors probe.Because the utility model adopts bellow-type flow sensor probe, probe is fixed on the top that body takes place all around, make that body takes place realizes integrated installation with probe, and do not need to set up in addition conduit probe and generation body are fixed, thereby reduced the physical dimension of flow sensor, when flow sensor is installed on the industrial pipeline, therefore the diameter of online perforate just can be reduced to minimum on the pipeline, supporting valve selects bore also can reduce, thereby can reduce product weight and cost of products, more convenient user is on-the-spot to install, the utility model has been brought into play the advantage of bellow-type flow sensor probe measurement principle in addition, the bellow-type flow sensor is fixed on the T type generation body all around, the pressure change pulse that the signal that bellow-type flow sensor probe is gathered causes for the whirlpool that the body generation takes place, when industrial pipeline inserted long insertion rod, the vibration interference that the swing of insertion rod causes did not have significantly influence to the measurement of probe, thereby can improve the vibration resistance of plug-in type vortex street.
Substantial effect of the present utility model is: the utility model has reduced the design cost of plug-in type flow transducer, and more convenient curstomer`s site is installed, and has also reduced the influence that the semi-girder probe is vibrated, and higher vibration resistance is arranged and measure stability.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of plug-in type vortex street flowmeter sensor in the utility model;
Fig. 3 is a kind of synoptic diagram that probe mount pad cavity cooperates with the generation body in the utility model.
Among the figure: 1, insertion rod, 2, the probe mount pad, 3, probe, 4, body takes place, 5, the ball valve base, 6, ball valve, 7, pipe fitting, 8, converter.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of new plug-in vortex shedding flow meter is (referring to accompanying drawing 1, Fig. 2 and Fig. 3), be installed on the pipe fitting 7, comprise the plug-in type vortex street flowmeter sensor, ball valve base 5, ball valve 6 and converter 8, converter is connected with ball valve, ball valve is fixed on the ball valve base, ball valve base and pipe fitting welding are fixing, the plug-in type vortex street flowmeter sensor comprises insertion rod 1, probe mount pad 2, probe 3 and generation body 4, one end of insertion rod passes ball valve sealing and fixes, the other end of insertion rod is connected with the probe mount pad, be provided with probe in the probe mount pad, popping one's head in is bellow-type vortex flow sensors probe.The upper end that body takes place is connected with the probe mount pad.Body takes place for T shape body takes place, midfeather and diaphragm plate that body comprises integral forming take place, the extension direction of midfeather is identical with pipe fitting fluid movement direction, and the extension direction of diaphragm plate is vertical with pipe fitting fluid movement direction.Probe mount pad inside offers one and fills out in the cavity and be provided with probe to the cavity that the side opening takes place, and the upper end that body takes place is welded to connect with the probe mount pad.The cavity ovalize of cavity, the long axis direction of oval cavity is identical with pipe fitting fluid movement direction.Probe is connected the middle part of cavity, and the cavity of probe both sides is communicated with the both sides of the vertical division board that body takes place.The probe mount pad is provided with four mounting holes, and insertion rod is spirally connected fixing by bolt and mounting hole.Adopt gasket seal around the probe.
When present embodiment uses, adopt bellow-type flow sensor probe, sealing and fixing is above the generation body around the probe quilt, make that body takes place realizes integrated installation with probe, and do not need to set up in addition conduit probe and generation body are fixed, thereby reduced the physical dimension of flow sensor, when flow sensor is installed on the industrial pipeline, therefore the diameter of online perforate just can be reduced to minimum on the pipeline, supporting valve selects bore also can reduce, thereby can reduce product weight and cost of products, more convenient user is on-the-spot to install, the utility model has been brought into play the advantage of bellow-type flow sensor probe measurement principle in addition, sealing and fixing is on T type generation body around the bellow-type flow sensor quilt, the pressure change pulse that the signal that bellow-type flow sensor probe is gathered causes for the whirlpool that the body generation takes place, when industrial pipeline inserts long insertion rod, the vibration interference that the swing of insertion rod causes does not significantly influence the measurement of probe, thereby can improve the vibration resistance of plug-in type vortex street.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (8)

1. new plug-in vortex shedding flow meter, be installed on the pipe fitting, comprise the plug-in type vortex street flowmeter sensor, the ball valve base, ball valve and converter, described converter is connected with described ball valve, ball valve is fixed on the ball valve base, described ball valve base and the welding of described pipe fitting are fixing, it is characterized in that: described plug-in type vortex street flowmeter sensor comprises insertion rod, the probe mount pad, probe and generation body, one end of described insertion rod passes ball valve sealing and fixes, the other end of described insertion rod is connected with the probe mount pad, be provided with probe in the probe mount pad, the upper end of described generation body is connected with described probe mount pad.
2. new plug-in vortex shedding flow meter according to claim 1, it is characterized in that: body takes place for T shape in described generation body, described generation body comprises midfeather and the diaphragm plate of integral forming, the extension direction of described midfeather is identical with pipe fitting fluid movement direction, and the extension direction of described diaphragm plate is vertical with pipe fitting fluid movement direction.
3. new plug-in vortex shedding flow meter according to claim 2, it is characterized in that: described probe mount pad inside offers one to the cavity that the side opening takes place, fill out in the described cavity and be provided with probe, the upper end of described generation body and described probe mount pad are welded to connect.
4. new plug-in vortex shedding flow meter according to claim 3, it is characterized in that: the cavity ovalize of described cavity, the long axis direction of described oval cavity is identical with described pipe fitting fluid movement direction.
5. according to claim 3 or 4 described new plug-in vortex shedding flow meters, it is characterized in that: described probe is connected the middle part of described cavity, and the cavity of described probe both sides is communicated with the both sides of the vertical division board of described generation body.
6. according to claim 3 or 4 described new plug-in vortex shedding flow meters, it is characterized in that: described probe mount pad is provided with four mounting holes, and described insertion rod is spirally connected fixing by bolt and described mounting hole.
7. according to claim 3 or 4 described new plug-in vortex shedding flow meters, it is characterized in that: adopt gasket seal around the described probe.
8. new plug-in vortex shedding flow meter according to claim 1 is characterized in that: described probe is bellow-type vortex flow sensors probe.
CN 201320190964 2013-04-16 2013-04-16 Novel plug-in type vortex street flowmeter Expired - Fee Related CN203216542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320190964 CN203216542U (en) 2013-04-16 2013-04-16 Novel plug-in type vortex street flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320190964 CN203216542U (en) 2013-04-16 2013-04-16 Novel plug-in type vortex street flowmeter

Publications (1)

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154960A (en) * 2014-08-01 2014-11-19 衢州市鼎盛化工科技有限公司 Hall-effect large-diameter pipeline flowmeter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154960A (en) * 2014-08-01 2014-11-19 衢州市鼎盛化工科技有限公司 Hall-effect large-diameter pipeline flowmeter

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20170416

CF01 Termination of patent right due to non-payment of annual fee