CN203241086U - Sanitary vortex street flowmeter - Google Patents
Sanitary vortex street flowmeter Download PDFInfo
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- CN203241086U CN203241086U CN 201320262833 CN201320262833U CN203241086U CN 203241086 U CN203241086 U CN 203241086U CN 201320262833 CN201320262833 CN 201320262833 CN 201320262833 U CN201320262833 U CN 201320262833U CN 203241086 U CN203241086 U CN 203241086U
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Abstract
The utility model discloses a sanitary vortex street flowmeter which comprises a flow guide pipe and a T-shaped vortex generating body, wherein the T-shaped vortex generating body comprises a baffle and a vertical plate vertically and fixedly connected with the middle of one side of the baffle, the plane where the baffle is located is vertical to the axis of the flow guide pipe, the upper edge and the lower edge of the baffle are arc edges matched with the inner wall of the flow guide pipe, a sensor installation hole penetrating through two side faces of the vertical plate is formed in the middle of the vertical plate, a flow sensor is installed in the sensor installation hole, a line passing hole is further formed in the vertical plate, a guide line sleeve is arranged in the line passing hole, a through hole is arranged in a position, corresponding to the line passing hole, of the side wall of the flow guide pipe, and the outer end of the guide line sleeve stretches out of the outer side of the flow guide pipe through the through hole. Therefore, the sanitary vortex street flowmeter has the advantages that the flow sensor does not need to be disassembled in cleaning, precision of the flow sensor can be kept, and the sanitary vortex street flowmeter is more sanitary to use.
Description
Technical field
The utility model relates to a kind of vortex shedding flow meter, relates in particular to a kind of hygiene-type vortex shedding flow meter.
Background technology
Vortex shedding flow meter is mainly used in the flow measurement of industrial pipeline medium fluid, such as mediums such as gas, liquid, steams.Be characterized in that the pressure loss is little, range ability is large, and precision is high, is subjected to hardly fluid density, pressure, temperature when the Test Cycle volumetric flow rate, viscosity is isoparametric affects.Without the moving machinery part, so reliability is high, and maintenance is little.Common vortex shedding flow meter adopts piezoelectric stress formula sensor, and reliability is high, can work in-20 ℃～+ 250 ℃ operating temperature range.Common vortex shedding flow meter generally comprises MEDIA FLOW and threads a pipe, on the axis in MEDIA FLOW is threaded a pipe eddy generator is set, the rear sensor installation of eddy generator, the MEDIA FLOW interior media flow of threading a pipe, MEDIA FLOW produces the whirlpool signal when eddy generator, the sensor at rear detects the whirlpool signal, thereby converts flow signal to.Yet in the existing vortex shedding flow meter, there is the corner or spot as yet untouched by a clean-up campaign around the junction that sensor and MEDIA FLOW are threaded a pipe, easy breed bacteria is located in these corner or spot as yet untouched by a clean-up campaign, unhygienic when especially being used in the pipelines such as food, beverage when this kind vortex shedding flow meter and using, and need to clean the corner or spot as yet untouched by a clean-up campaign after the dismounting, frequent dismounting vortex shedding flow meter can cause sensor larger measuring error to occur, has a strong impact on the measuring accuracy of vortex street sensor.
Chinese patent Granted publication number: CN101832801A, September 15 2010 Granted publication day, a kind of vortex shedding flow meter is disclosed, comprise that MEDIA FLOW threads a pipe, MEDIA FLOW is threaded a pipe and is provided with eddy generator on the axis, offer a pair of about the thread a pipe pressure port of axis symmetry of MEDIA FLOW on the duct wall that the MEDIA FLOW corresponding with eddy generator threaded a pipe, two pressure ports link to each other by the sense channel of a structural symmetry, centre at sense channel is provided with detecting element, described detecting element is thermal sensing element, has taken into account detection sensitivity, vibration resistance ability and durability against pollution.Its weak point is that the junction that the interior sensor of this kind vortex shedding flow meter and MEDIA FLOW are threaded a pipe exists corner or spot as yet untouched by a clean-up campaign, corner or spot as yet untouched by a clean-up campaign to locate easy breed bacteria on every side, needs the regular dismounting cleaning, has a strong impact on the degree of accuracy of vortex shedding flow meter.
The utility model content
There is the corner or spot as yet untouched by a clean-up campaign in the utility model in order to overcome in the vortex shedding flow meter of the prior art, easy breed bacteria, need the regular dismounting cleaning, can cause sensor error to occur after the dismounting and affect the deficiency of flow detection precision, provide a kind of flow sensor on every side without the corner or spot as yet untouched by a clean-up campaign, need not to dismantle flow sensor during cleaning, can keep the hygiene-type vortex shedding flow meter of the precision of flow sensor.
To achieve these goals, the utility model adopts following technical scheme:
A kind of hygiene-type vortex shedding flow meter, comprise flow conduit, be provided with T shape eddy generator in the described flow conduit, described T shape eddy generator comprises baffle plate and the riser that is fixedly connected with baffle plate one side intermediate vertical, plane, baffle plate place is vertical with the axis of flow conduit, the up and down both sides of described baffle plate are the arc-shaped edges that cooperates with the flow conduit inwall, the centre of described riser is provided with the installation of sensors hole of running through its two sides, described installation of sensors is provided with flow sensor in the hole, also be provided with the threading hole that runs through riser upper end and installation of sensors hole in the described riser, be provided with the lead-in wire sleeve pipe in the described threading hole, corresponding position with threading hole on the sidewall of described flow conduit is provided with through hole, and the outside of flow conduit is stretched out in the outer end of described lead-in wire sleeve pipe from the through hole.Flow sensor is arranged on the inside of T shape eddy generator, thereby has avoided independent installation flow sensor and there are the corner or spot as yet untouched by a clean-up campaign in the flow sensor that causes and the junction of flow conduit, therefore avoid the dismounting of flow sensor; When having pollutant or breed bacteria in the flow conduit, only need to just flow conduit can be purged clean by the form that pipeline purges back and forth, do not need to dismantle flow sensor yet, therefore can guarantee the precision of flow sensor, thereby effectively raise the serviceable life of vortex shedding flow meter; Simultaneously, the roughly installation site of flow sensor is in the centre of flow conduit, thereby can avoid the impact that the flow sensor measurement produces because the bubble in the liquid is accumulated in the flow conduit top.
As preferably, be provided with gasket seal between the inner of the bottom of described threading hole and lead-in wire sleeve pipe.Gasket seal plays the effect of sealing; prevent that extraneous foreign material from entering in the flow sensor in the lead-in wire sleeve pipe; thereby flow sensor plays a protective role, and also prevents that the medium in the flow conduit from entering in the flow sensor with the slit that is connected of flow conduit from baffle plate simultaneously.
As preferably, be welded to connect between the outer end lateral wall of described lead-in wire sleeve pipe and the flow conduit lateral wall.Be welded to connect the junction sealing of flow conduit with the lead-in wire sleeve pipe, thereby stop the connection of flow conduit between inside and outside.
As preferably, be provided with the corresponding position in installation of sensors hole on the two sides of riser and connect the liquid sheet, described connecing between liquid sheet and the riser is welded to connect.Connect the liquid sheet and prevent that medium from entering in the flow sensor from the installation of sensors hole, thereby flow sensor plays a protective role, connect the liquid sheet and be connected with the two sides of riser by laser bonding; the junction smooth transition; without step, without the dead angle, thereby prevent bacteria breed, more health.
Therefore, need not to dismantle flow sensor when the utlity model has cleaning, can keep the precision of flow sensor, use the more beneficial effect of health.
Simultaneously, the utility model also has can effectively be avoided causing flow sensor to work owing to bubble is accumulated in the flow conduit top, thereby improves producing effect of whole flow detection stability.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the vertical view of the T shape eddy generator among Fig. 2.
Among the figure: flow conduit 1 T shape eddy generator 2 baffle plates 21 risers 22 installation of sensors holes 3 flow sensors, 4 threading holes, 5 lead-in wire sleeve pipes, 6 through holes, 7 gasket seals 8 connect liquid sheet 9.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
A kind of hygiene-type vortex shedding flow meter shown in Figure 2 such as Fig. 1, comprise flow conduit 1, be provided with T shape eddy generator 2 in the flow conduit 1, T shape eddy generator 2 comprises baffle plate 21 and the riser 22 that is fixedly connected with baffle plate one side intermediate vertical, plane, baffle plate 21 place is vertical with the axis of flow conduit 1, the up and down both sides of baffle plate 21 are the arc-shaped edges that cooperates with flow conduit 1 inwall, the centre of riser 22 is provided with the installation of sensors hole 3 of running through its two sides, be provided with flow sensor 4 in the installation of sensors hole 3, flow sensor in the present embodiment is the bellow-type flow sensor, as shown in Figure 3, also be provided with the threading hole 5 that runs through riser upper end and installation of sensors hole in the riser 22, be provided with lead-in wire sleeve pipe 6 in the threading hole 5, the lead-in wire of flow sensor stretches out the outside of flow conduit in the sleeve pipe from lead-in wire, then be connected with the converter in the external world, be provided with gasket seal 8 between the inner of the bottom of threading hole 5 and lead-in wire sleeve pipe 6, gasket seal plays the effect of sealing, prevent that extraneous foreign material from entering in the flow sensor in the lead-in wire sleeve pipe, thereby flow sensor plays a protective role, and also prevents that the medium in the flow conduit from entering in the flow sensor with the slit that is connected of flow conduit from baffle plate simultaneously; Corresponding position with threading hole 5 on the sidewall of flow conduit 1 is provided with through hole 7, the outside of flow conduit 1 is stretched out in the outer end of lead-in wire sleeve pipe 6 from through hole 7, be welded to connect between the outer end lateral wall of lead-in wire sleeve pipe 6 and flow conduit 1 lateral wall, be welded to connect the junction sealing of flow conduit with the lead-in wire sleeve pipe, thereby stop the connection of flow conduit between inside and outside; Be provided with the corresponding position in installation of sensors hole 3 on the two sides of riser 22 and connect liquid sheet 9, connect between liquid sheet 9 and the riser 22 and be welded to connect, in the present embodiment, connecing the liquid sheet is connected with the two sides of riser by laser bonding, the junction smooth transition, without step, without the dead angle, thereby prevent bacteria breed, more health.When the medium in the flow conduit flows to right-hand member and advanced T shape eddy generator from left end, the separation that can replace in the time of medium process baffle plate both sides discharges the whirlpool of the alternative arrangement of two string rules, this whirlpool separates the pressure pulse that causes and produces charge variation so that be installed in the sensitive element at two probe places of the bellows flow sensor in the riser, and charge variation is converted to electric impulse signal be transferred to converter by sensor lead and calculate metering, flow sensor in the vortex shedding flow meter of this kind structure is installed in the T shape artificial body for generating, there is not the corner or spot as yet untouched by a clean-up campaign around the flow sensor, do not need to dismantle flow sensor in the time of cleaning, thereby the precision that keeps flow sensor, easy to clean, use more health.
Claims (4)
1. hygiene-type vortex shedding flow meter, comprise flow conduit (1), it is characterized in that, be provided with T shape eddy generator (2) in the described flow conduit (1), described T shape eddy generator (2) comprises baffle plate (21) and the riser (22) that is fixedly connected with baffle plate one side intermediate vertical, baffle plate (21) plane, place is vertical with the axis of flow conduit (1), the up and down both sides of described baffle plate (21) are the arc-shaped edges that cooperates with flow conduit (1) inwall, the centre of described riser (22) is provided with the installation of sensors hole (3) of running through its two sides, be provided with flow sensor (4) in the described installation of sensors hole (3), also be provided with the threading hole (5) that runs through riser upper end and installation of sensors hole in the described riser (22), be provided with lead-in wire sleeve pipe (6) in the described threading hole (5), corresponding position with threading hole (5) on the sidewall of described flow conduit (1) is provided with through hole (7), and the outside of flow conduit (1) is stretched out in the outer end of described lead-in wire sleeve pipe (6) from through hole (7).
2. hygiene-type vortex shedding flow meter according to claim 1 is characterized in that, is provided with gasket seal (8) between the inner of the bottom of described threading hole (5) and lead-in wire sleeve pipe (6).
3. hygiene-type vortex shedding flow meter according to claim 1 and 2 is characterized in that, is welded to connect between the outer end lateral wall of described lead-in wire sleeve pipe (6) and flow conduit (1) lateral wall.
4. hygiene-type vortex shedding flow meter according to claim 1 and 2 is characterized in that, is provided with the corresponding position of installation of sensors hole (3) on the two sides of riser (22) and connects liquid sheet (9), and described connecing between liquid sheet (9) and the riser (22) is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320262833 CN203241086U (en) | 2013-05-15 | 2013-05-15 | Sanitary vortex street flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320262833 CN203241086U (en) | 2013-05-15 | 2013-05-15 | Sanitary vortex street flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241086U true CN203241086U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320262833 Expired - Fee Related CN203241086U (en) | 2013-05-15 | 2013-05-15 | Sanitary vortex street flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN203241086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568023A (en) * | 2014-12-12 | 2015-04-29 | 重庆川仪自动化股份有限公司 | Vortex shedding flowmeter |
-
2013
- 2013-05-15 CN CN 201320262833 patent/CN203241086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568023A (en) * | 2014-12-12 | 2015-04-29 | 重庆川仪自动化股份有限公司 | Vortex shedding flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20160515 |