CN210141892U - Novel plug-in vortex shedding flowmeter - Google Patents
Novel plug-in vortex shedding flowmeter Download PDFInfo
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- CN210141892U CN210141892U CN201921198818.3U CN201921198818U CN210141892U CN 210141892 U CN210141892 U CN 210141892U CN 201921198818 U CN201921198818 U CN 201921198818U CN 210141892 U CN210141892 U CN 210141892U
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000013078 crystal Substances 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of flowmeters, in particular to a novel plug-in vortex shedding flowmeter, which comprises an amplifier, a sealing filler and a detecting body, wherein a directional mark is fixedly arranged at the center of the lower end of the amplifier, a sealing body is fixedly arranged at the lower end of the directional mark, a supporting sleeve rod is fixedly arranged at the center of the lower end of the sealing body, an installing body is fixedly arranged at the lower end of the sealing body, the sealing filler is arranged in the installing body close to the supporting sleeve rod, a ball valve body is fixedly arranged at the lower end of the safety body, sealing gaskets are arranged at the upper end and the lower end of the ball valve body, a generating body is fixedly arranged at the lower end of the sealing gasket at the lower end of the ball valve body, the generating body comprises a meter body and a vortex generating body, the vortex generating body is arranged in the meter body, the detecting body, the whole effect is good, and stability and practicality are higher, have certain spreading value.
Description
Technical Field
The utility model relates to a flowmeter technical field specifically is a novel bayonet vortex flowmeter.
Background
The plug-in vortex shedding flowmeter is mainly used for measuring the flow of large-caliber gas, liquid and steam medium fluid in industrial pipelines of various industries, and is characterized by small pressure loss, wide measuring range, high precision and little influence of parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the working condition volume flow. The plug-in vortex street flowmeter adopts a piezoelectric stress sensor, has high reliability, can work in the working temperature range of-20 ℃ to +250 ℃, has analog standard signals and digital pulse signal output, is easy to be matched with a computer and other digital systems, and is an advanced and ideal flow meter.
When the detection body and the vortex generating body of the plug-in vortex shedding flowmeter are installed together, the installation is complex, the later maintenance is inconvenient, the piezoelectric crystal is measured to be directly contacted with a measured medium, the stability is low, the vortex shedding flowmeter is sensitive to the vibration, the vibration can influence the measurement precision, and therefore the novel plug-in vortex shedding flowmeter is needed to improve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel bayonet vortex street flowmeter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel plug-in vortex shedding flowmeter comprises an amplifier, a sealing filler and a detecting body, wherein the center of the lower end of the amplifier is fixedly provided with a directional mark, the lower end of the directional mark is fixedly provided with a sealing body, the center of the lower end of the sealing body is fixedly provided with a supporting sleeve rod, the lower end of the sealing body is fixedly provided with an installing body, the inner part of the installing body is provided with the sealing filler close to the supporting sleeve rod, the lower end of the safety body is fixedly provided with a ball valve body, the upper end and the lower end of the ball valve body are respectively provided with a sealing gasket, the lower end of the sealing gasket at the lower end of the ball valve body is fixedly provided with a generating body, the generating body comprises a meter body and a vortex generating body, the vortex generating body is arranged in the meter body, the detecting body is arranged in the supporting sleeve rod, the detecting body, the sensor is characterized in that a measuring piezoelectric crystal is arranged at the lower part inside the sensor, and a temperature sensor is arranged at the lower end of the lower part inside the sensor, which is close to the measuring piezoelectric crystal.
Preferably, the lower end of the sealing body, the upper end and the lower end of the safety body, the upper end and the lower end of the ball valve body and the upper end of the generating body are respectively provided with a connecting flange, the lower end of the sealing body and the upper end of the safety body are connected through a connecting flange bolt, the lower end of the safety body and the upper end of the ball valve body are connected through a connecting flange bolt, and the lower end of the ball valve body and the upper end of the generating body are connected through a connecting flange bolt.
Preferably, both sides of the generating body are provided with connecting flanges, and the two sides of the generating body and the measuring pipeline are connected through the connecting flanges and bolts.
Preferably, the orientation mark and the generating body are distributed in the same horizontal direction.
Preferably, the detection body and the support loop bar are connected in a sleeved mode, and the converter and the sensor are connected in a plug-in mode.
Preferably, the temperature sensor adopts a built-in PT100 temperature sensor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the detection body that sets up, detect the body and support and cup joint between the cover pole and connect, converter and sensor adopt bayonet connection, and temperature sensor adopts built-in PT100 temperature sensor, detecting element not with the medium contact, the stable performance, long service life, detect the body and adopt sensor and vortex emergence body separately to install, and high temperature resistance's compensation piezoelectric crystal seals in the sensor with measuring piezoelectric crystal, not with the measured medium contact, so vortex street flowmeter has simple structure, the commonality is good and the high characteristics of stability, and simple structure is firm, no movable part, the reliability is high, and convenient for use and maintenance.
2. The utility model discloses in, through the converter and the sensor that set up, output and flow proportional pulse signal, no drift at zero point, the precision is high, convenient and computer networking.
3. The utility model discloses in, through the compensation piezoelectric crystal that sets up, because the vortex flowmeter is great sensitive to the vibration, the vibration can bring the influence to measurement accuracy, consequently compensates piezoelectric crystal's use, combines to measure piezoelectric crystal and forms dual measurement, can be used to compensate the vibration to measuring influence, improves measuring precision.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an internal structure view of the present invention;
FIG. 3 is a diagram of the structure of the detecting body of the present invention;
FIG. 4 is a diagram of the internal structure of the sensor of the present invention;
fig. 5 is a schematic structural diagram of the converter and the sensor according to the present invention.
In the figure: 1-amplifier, 2-sealing body, 3-orientation mark, 4-ampere body, 5-ball valve body, 6-sealing gasket, 7-generating body, 8-supporting sleeve rod, 9-sealing filling body, 10-detecting body, 11-surface body, 12-vortex generating body, 13-converter, 14-sensor, 15-compensation piezoelectric crystal, 16-measurement piezoelectric crystal and 17-temperature sensor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a novel plug-in vortex shedding flowmeter comprises an amplifier 1, a sealing filler 9 and a detecting body 10, wherein a directional mark 3 is fixedly arranged at the center of the lower end of the amplifier 1, a sealing body 2 is fixedly arranged at the lower end of the directional mark 3, a supporting sleeve rod 8 is fixedly arranged at the center of the lower end of the sealing body 2, a sealing body 4 is fixedly arranged at the lower end of the sealing body 2, the sealing filler 9 is arranged in the safety body 4 close to the supporting sleeve rod 8, a ball valve body 5 is fixedly arranged at the lower end of the safety body 4, sealing gaskets 6 are respectively arranged at the upper end and the lower end of the ball valve body 5, a generating body 7 is fixedly arranged at the lower end of the sealing gasket 6 at the lower end of the ball valve body 5, connecting flanges are respectively arranged at the lower end of the sealing body 2, the upper end and the lower end of the ball valve body 5, the lower end of the sealing body 2 and the upper end of the safety body 4 are connected, the lower end of the ball valve body 5 is connected with the upper end of the generating body 7 through a connecting flange bolt, the two sides of the generating body 7 are provided with connecting flanges, the two sides of the generating body 7 are connected with a measuring pipeline through the connecting flange bolt, the orientation mark 3 and the generating body 7 are distributed in the same horizontal direction, the generating body 7 comprises a meter body 11 and a vortex generating body 12, the vortex generating body 12 is arranged in the meter body 11, a detecting body 10 is arranged in a supporting sleeve rod 8, the detecting body 10 comprises a converter 13 and a sensor 14, the lower end of the converter 13 is fixedly provided with the sensor 14, the detecting body 10 is connected with the supporting sleeve rod 8 in a sleeved mode, the converter 13 is connected with the sensor 14 in an inserted mode, the upper part in the sensor 14 is provided with a compensation piezoelectric crystal 15, the lower part in the sensor 14 is provided with a measuring piezoelectric crystal 16, the lower part in the, the temperature sensor 17 adopts a built-in PT100 temperature sensor.
The utility model discloses work flow: firstly, the lower end of a sealing body 2, the upper end and the lower end of a safety body 4, the upper end and the lower end of a ball valve body 5 and the upper end of a generating body 7 are all provided with connecting flanges, the lower end of the sealing body 2 and the upper end of the safety body 4 are connected through connecting flange bolts, the lower end of the safety body 4 and the upper end of the ball valve body 5 are connected through connecting flange bolts, the lower end of the ball valve body 5 and the upper end of the generating body 7 are connected through connecting flange bolts, the two sides of the generating body 7 are provided with connecting flanges, the two sides of the generating body 7 and a measuring pipeline are connected through connecting flange bolts, a directional marker 3 and the generating body 7 are horizontally and equidirectionally distributed, the relative positions of a detecting body and a detected body are conveniently determined during installation, the detecting body 10 is connected with a supporting sleeve rod 8 in a sleeved mode through the arranged detecting body 10, a converter 13 and a sensor, the detection element is not contacted with the medium, the performance is stable, the service life is long, the detection body 10 is separately installed with the vortex generating body 12 by adopting the sensor 14, and the high temperature resistant compensation piezoelectric crystal 15 and the measurement piezoelectric crystal 16 are sealed in the sensor 14 and are not contacted with the measured medium, so the vortex street flowmeter has the characteristics of simple structure, good universality and high stability, simple and firm structure, no movable part, high reliability and convenient use and maintenance, through the arranged compensation piezoelectric crystal 15, because the vortex street flowmeter is sensitive to vibration, the vibration can influence the measurement precision, therefore, the use of the compensation piezoelectric crystal 15 and the measurement piezoelectric crystal 16 are combined to form double measurement, the influence of the vibration on the measurement can be compensated, the measurement precision is improved, and through the arranged converter 13 and the sensor 14, a pulse signal which is in direct proportion to the flow is output, zero drift free, the precision is high, conveniently with the computer networking, whole effectual, and stability and practicality are higher, have certain spreading value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel bayonet vortex street flowmeter, includes amplifier (1), sealed obturator (9) and detection body (10), its characterized in that: the amplifier is characterized in that a directional mark (3) is fixedly mounted at the center of the lower end of the amplifier (1), a seal body (2) is fixedly mounted at the lower end of the directional mark (3), a support sleeve rod (8) is fixedly mounted at the center of the lower end of the seal body (2), a seal body (4) is fixedly mounted at the lower end of the seal body (2), a seal filling body (9) is arranged in the seal body (4) close to the support sleeve rod (8), a ball valve body (5) is fixedly mounted at the lower end of the seal body (4), seal gaskets (6) are arranged at the upper end and the lower end of the ball valve body (5), a generating body (7) is fixedly mounted at the lower end of the seal gasket (6) at the lower end of the ball valve body (5), the generating body (7) comprises a meter body (11) and a vortex generating body (12), the vortex generating body (12) is arranged in the meter body (, the detection body (10) comprises a converter (13) and a sensor (14), the sensor (14) is fixedly mounted at the lower end of the converter (13), a compensation piezoelectric crystal (15) is arranged at the upper part inside the sensor (14), a measurement piezoelectric crystal (16) is arranged at the lower part inside the sensor (14), and a temperature sensor (17) is arranged at the lower end of the sensor (14) close to the measurement piezoelectric crystal (16).
2. The novel plug-in vortex shedding flowmeter according to claim 1, characterized in that: sealing body (2) lower extreme, all (4) upper end and lower extreme of ann, ball valve body (5) upper end and lower extreme, emergence body (7) upper end all are equipped with flange, just through flange bolted connection between sealing body (2) lower extreme and the all (4) upper end of ann, through flange bolted connection between the all (4) lower extreme of ann and ball valve body (5) upper end, through flange bolted connection between ball valve body (5) lower extreme and emergence body (7) upper end.
3. The novel plug-in vortex shedding flowmeter according to claim 1, characterized in that: and connecting flanges are arranged on two sides of the generating body (7), and the two sides of the generating body (7) are connected with the measuring pipeline through connecting flange bolts.
4. The novel plug-in vortex shedding flowmeter according to claim 1, characterized in that: the orientation mark (3) and the generating body (7) are distributed in the same horizontal direction.
5. The novel plug-in vortex shedding flowmeter according to claim 1, characterized in that: the detection body (10) and the support sleeve rod (8) are connected in a sleeved mode, and the converter (13) and the sensor (14) are connected in an insertion mode.
6. The novel plug-in vortex shedding flowmeter according to claim 1, characterized in that: the temperature sensor (17) adopts a built-in PT100 temperature sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921198818.3U CN210141892U (en) | 2019-07-29 | 2019-07-29 | Novel plug-in vortex shedding flowmeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921198818.3U CN210141892U (en) | 2019-07-29 | 2019-07-29 | Novel plug-in vortex shedding flowmeter |
Publications (1)
Publication Number | Publication Date |
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CN210141892U true CN210141892U (en) | 2020-03-13 |
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ID=69736004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921198818.3U Expired - Fee Related CN210141892U (en) | 2019-07-29 | 2019-07-29 | Novel plug-in vortex shedding flowmeter |
Country Status (1)
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CN (1) | CN210141892U (en) |
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2019
- 2019-07-29 CN CN201921198818.3U patent/CN210141892U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
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: 20200313 |