CN111664902A - Novel temperature compensation vortex shedding flowmeter - Google Patents
Novel temperature compensation vortex shedding flowmeter Download PDFInfo
- Publication number
- CN111664902A CN111664902A CN202010584958.5A CN202010584958A CN111664902A CN 111664902 A CN111664902 A CN 111664902A CN 202010584958 A CN202010584958 A CN 202010584958A CN 111664902 A CN111664902 A CN 111664902A
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- temperature
- vortex
- vortex shedding
- shedding flowmeter
- probe
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- 239000000523 sample Substances 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 22
- 239000013078 crystal Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
Abstract
The invention discloses a novel temperature compensation vortex shedding flowmeter, and relates to the technical field of vortex shedding flowmeters; the vortex street flowmeter comprises a vortex street flowmeter body, a supporting rod, a meter body, a flow sensor, an installation casing, a temperature type vortex street device, a temperature probe, an inner pipe body, a temperature measurement point, a pressure point crystal and a connection crystal, wherein the supporting rod is installed at the upper end of the vortex street flowmeter body; the invention can realize integration, is not easy to leak after use, and has high stability; meanwhile, the processing time is saved, the use is convenient, the operation is simple and convenient, and the structure is simple.
Description
Technical Field
The invention belongs to the technical field of vortex shedding flowmeters, and particularly relates to a novel temperature compensation vortex shedding flowmeter.
Background
The vortex street flowmeter is produced based on Karman vortex street principle and is used mainly in measuring the flow rate of industrial medium fluid, such as gas, liquid, steam and other medium. Its advantages are low pressure loss, wide range of measuring range, high precision and no influence from fluid density, pressure, temp and viscosity. No movable mechanical parts are needed, so the reliability is high and the maintenance amount is small. The instrument parameters can be stable for a long time. The vortex flowmeter adopts a piezoelectric stress sensor, has high reliability and can work within the working temperature range of-20 ℃ to +250 ℃. The analog standard signal and the digital pulse signal are output, so that the digital pulse signal measuring instrument is easily matched with a computer and other digital systems, and is an advanced and ideal measuring instrument.
The temperature compensation of the existing vortex shedding flowmeter is to drill a temperature sensor on a vortex shedding body structure and then insert the temperature sensor into the center of the body or the edge of the body, so that the leakage condition is easy to occur after the temperature sensor is used for a long time, and the temperature compensation is complex and time-wasting during operation.
Disclosure of Invention
The method aims to solve the problems that in the temperature compensation of the existing vortex shedding flowmeter, a temperature sensor is drilled on a vortex shedding body structure, and then the temperature sensor is inserted into the center or the edge of the body, so that the leakage condition is easy to occur after the temperature sensor is used for a long time, and the problems of complexity and time waste in operation are solved; the invention aims to provide a novel temperature compensation vortex shedding flowmeter.
The invention discloses a novel temperature compensation vortex shedding flowmeter, which comprises a vortex shedding flowmeter body, a supporting rod, a meter body, a flow sensor, an installation shell and a temperature type vortex shedding device, wherein the vortex shedding flowmeter body is arranged on the supporting rod; the upper end of the vortex shedding flowmeter body is provided with a supporting rod, the upper end of the supporting rod is connected with a meter body, the lower end of the supporting rod is connected with a flow sensor, the flow sensor is arranged on the inner side of an inlet of the vortex shedding flowmeter body 1, an installation groove hole is formed in the vortex shedding flowmeter body, an installation shell is arranged in the installation groove hole, a temperature type vortex street device is arranged on the installation shell, and the temperature type vortex street device comprises a vortex street probe, a temperature probe and an inner pipe body; the vortex street probe is internally provided with a temperature probe, the temperature probe is internally provided with an inner pipe body, the lower side wall of the temperature probe is provided with a temperature measuring point, the outer upper side of the temperature probe is provided with a pressure point crystal, the pressure point crystal is connected with a connecting crystal of the vortex street probe and is connected with a lead, the bottom of the inner pipe body is connected with another connecting point of the vortex street probe and another connecting point of the temperature probe, and the upper end of the inner pipe body is connected with the lead.
Preferably, the inner tube body is provided with an insulating layer on the outer surface.
Preferably, the mounting shell is a high-temperature-resistant shell, a positioning groove is formed in the mounting shell, a sealing gasket is mounted in the positioning groove, and the sealing gasket is connected with the vortex shedding flowmeter body in a sealing mode.
Preferably, the lead is connected with the watch body at the upper end of the support rod, and the flow sensor is connected with the watch body through a connecting wire.
Compared with the prior art, the invention has the beneficial effects that:
the integration can be realized, the leakage phenomenon is not easy to occur after the device is used, and the stability is high;
and the processing time is saved, the use is convenient, the operation is simple and convenient, and the structure is simple.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a temperature-type vortex street apparatus according to the present invention;
fig. 3 is a schematic structural view of the temperature probe of the present invention.
In the figure: 1-vortex shedding flowmeter body; 2-a support rod; 3-a watch body; 4-a flow sensor; 5, mounting a shell; 6-temperature type vortex street device; 61-vortex street probe; 62-temperature probe; 63-an inner tube; 621-pressure point crystal; 622-temperature measurement Point.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention. The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the range covered by the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the vortex street flowmeter comprises a vortex street flowmeter body 1, a support rod 2, a meter body 3, a flow sensor 4, an installation shell 5 and a temperature type vortex street device 6; the upper end of a vortex shedding flowmeter body 1 is provided with a support rod 2, the support rod 2 can realize the support of a meter body 3, the upper end of the support rod 2 is connected with the meter body 3, the lower end of the support rod 2 is connected with a flow sensor 4, the flow sensor 4 can realize the flow measurement, the flow sensor 4 is arranged at the inner side of an inlet of the vortex shedding flowmeter body 1, the vortex shedding flowmeter body 1 is provided with an installation groove hole, an installation shell 5 is arranged in the installation groove hole, the installation shell can realize the installation of a temperature type vortex shedding device 6, the installation shell 5 is provided with the temperature type vortex shedding device 6,
as shown in fig. 2 and 3, the temperature type vortex street device 6 comprises a vortex street probe 61, a temperature probe 62 and an inner pipe 63; the internally mounted of vortex street probe 61 has temperature probe 62, the internally mounted of temperature probe 62 has interior body 63, be provided with temperature measurement point 622 on the lower lateral wall of temperature probe 62, temperature measurement point 622 can realize the measurement of temperature, the outer upside of temperature probe 62 is provided with pressure point crystal 621, pressure point crystal 621 can realize connecting, the mode of adopting the internal connection is connected, pressure point crystal 621 is connected with the connection crystal of vortex street probe 62, and pressure point crystal 621 is connected with the wire, the bottom and another tie point of vortex street probe 61 of interior body 63, another tie point of temperature probe 62 are connected, and the upper end of interior body 63 is connected with the wire.
Further, the inner tube 63 is provided with an insulating layer on the outer surface.
Further, the installation shell 5 is a high temperature resistant shell, a positioning groove is formed in the installation shell 5, a sealing gasket is installed in the positioning groove, and the sealing gasket is connected with the vortex shedding flowmeter body 1 in a sealing mode.
Further, the wire is connected with the meter body 3 on the upper end of the supporting rod, and the flow sensor 4 is connected with the meter body 3 through a connecting wire.
The working principle of the specific embodiment is as follows: adopt temperature formula vortex street device 6 to realize integrated as an organic whole, can realize the rapid survey temperature when using, and the phenomenon of revealing is difficult for appearing, and the tie point is for adopting the internal connection formula simultaneously, then connects out through the wire, guarantees the stability after connecting, is difficult for appearing revealing after the installation simultaneously, and stability is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a novel temperature compensation vortex shedding flowmeter which characterized in that: the vortex street flowmeter comprises a vortex street flowmeter body, a supporting rod, a meter body, a flow sensor, an installation shell and a temperature type vortex street device; the vortex shedding flowmeter comprises a vortex shedding flowmeter body, a support rod, a meter body, a flow sensor, a temperature type vortex street device and a temperature sensor, wherein the upper end of the vortex shedding flowmeter body is provided with the support rod, the upper end of the support rod is connected with the meter body, the lower end of the support rod is connected with the flow sensor, the flow sensor is arranged on the inner side of an inlet of the vortex shedding flowmeter body, the vortex shedding flowmeter body is provided with an installation groove hole, an installation shell is arranged in the installation groove hole, the installation shell is provided with; the vortex street probe is internally provided with a temperature probe, the temperature probe is internally provided with an inner pipe body, the lower side wall of the temperature probe is provided with a temperature measuring point, the outer upper side of the temperature probe is provided with a pressure point crystal, the pressure point crystal is connected with a connecting crystal of the vortex street probe and is connected with a lead, the bottom of the inner pipe body is connected with another connecting point of the vortex street probe and another connecting point of the temperature probe, and the upper end of the inner pipe body is connected with the lead.
2. The novel temperature compensation vortex shedding flowmeter according to claim 1, wherein: the inner tube body is provided with an insulating layer on the outer surface.
3. The novel temperature compensation vortex shedding flowmeter according to claim 1, wherein: the mounting shell is a high-temperature-resistant shell, a positioning groove is formed in the mounting shell, a sealing gasket is mounted in the positioning groove, and the sealing gasket is connected with the vortex shedding flowmeter body in a sealing mode.
4. The novel temperature compensation vortex shedding flowmeter according to claim 1, wherein: the wire is connected with the meter body at the upper end of the supporting rod, and the flow sensor is connected with the meter body through a connecting wire.
5. The novel temperature compensation vortex shedding flowmeter according to claim 1, wherein: adopt temperature formula vortex street device to realize integrated as an organic whole, can realize the rapid survey temperature when using, and the phenomenon of revealing is difficult for appearing, and the tie point is for adopting the internal connection formula simultaneously, then connects out through the wire, guarantees the stability after connecting, is difficult for appearing revealing after the installation simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584958.5A CN111664902A (en) | 2020-06-24 | 2020-06-24 | Novel temperature compensation vortex shedding flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584958.5A CN111664902A (en) | 2020-06-24 | 2020-06-24 | Novel temperature compensation vortex shedding flowmeter |
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| Publication Number | Publication Date |
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| CN111664902A true CN111664902A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010584958.5A Pending CN111664902A (en) | 2020-06-24 | 2020-06-24 | Novel temperature compensation vortex shedding flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268589A (en) * | 2020-10-15 | 2021-01-26 | 湖南常德牌水表制造有限公司 | Water meter with temperature self-adaptive sealing structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8418484D0 (en) * | 1984-07-19 | 1984-08-22 | Surrey University Of | Flow meters |
| CN86201230U (en) * | 1986-03-14 | 1986-10-01 | 北京市公用事业科学研究所 | Swirl flow meter detected by piezoelectric crystal |
| US6170338B1 (en) * | 1997-03-27 | 2001-01-09 | Rosemont Inc. | Vortex flowmeter with signal processing |
| JP2004286514A (en) * | 2003-03-20 | 2004-10-14 | Oval Corp | Vortex flowmeter sensor and vortex flowmeter |
| JP2006084196A (en) * | 2004-09-14 | 2006-03-30 | Oval Corp | Vortex flowmeter integrated with temperature sensor |
| CN200979421Y (en) * | 2006-12-13 | 2007-11-21 | 上海星空自动化仪表有限公司 | A vortex flowmeter with temperature compensation |
| CN202734870U (en) * | 2012-08-20 | 2013-02-13 | 开封青天伟业流量仪表有限公司 | Temperature and flow integrated sensor |
| CN204214483U (en) * | 2014-11-18 | 2015-03-18 | 中环天仪股份有限公司 | The integrated detection architecture of vortex shedding flow meter |
| CN208155369U (en) * | 2018-05-15 | 2018-11-27 | 孙景华 | Integral temperature compensates vortex-shedding meter |
| CN210321842U (en) * | 2019-10-12 | 2020-04-14 | 广州西森自动化控制设备有限公司 | Automatic compensation type vortex shedding flowmeter capable of being used for Internet of things |
-
2020
- 2020-06-24 CN CN202010584958.5A patent/CN111664902A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8418484D0 (en) * | 1984-07-19 | 1984-08-22 | Surrey University Of | Flow meters |
| CN86201230U (en) * | 1986-03-14 | 1986-10-01 | 北京市公用事业科学研究所 | Swirl flow meter detected by piezoelectric crystal |
| US6170338B1 (en) * | 1997-03-27 | 2001-01-09 | Rosemont Inc. | Vortex flowmeter with signal processing |
| JP2004286514A (en) * | 2003-03-20 | 2004-10-14 | Oval Corp | Vortex flowmeter sensor and vortex flowmeter |
| JP2006084196A (en) * | 2004-09-14 | 2006-03-30 | Oval Corp | Vortex flowmeter integrated with temperature sensor |
| CN200979421Y (en) * | 2006-12-13 | 2007-11-21 | 上海星空自动化仪表有限公司 | A vortex flowmeter with temperature compensation |
| CN202734870U (en) * | 2012-08-20 | 2013-02-13 | 开封青天伟业流量仪表有限公司 | Temperature and flow integrated sensor |
| CN204214483U (en) * | 2014-11-18 | 2015-03-18 | 中环天仪股份有限公司 | The integrated detection architecture of vortex shedding flow meter |
| CN208155369U (en) * | 2018-05-15 | 2018-11-27 | 孙景华 | Integral temperature compensates vortex-shedding meter |
| CN210321842U (en) * | 2019-10-12 | 2020-04-14 | 广州西森自动化控制设备有限公司 | Automatic compensation type vortex shedding flowmeter capable of being used for Internet of things |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268589A (en) * | 2020-10-15 | 2021-01-26 | 湖南常德牌水表制造有限公司 | Water meter with temperature self-adaptive sealing structure |
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