CN214096186U - Vortex street flowmeter - Google Patents
Vortex street flowmeter Download PDFInfo
- Publication number
- CN214096186U CN214096186U CN202023300070.9U CN202023300070U CN214096186U CN 214096186 U CN214096186 U CN 214096186U CN 202023300070 U CN202023300070 U CN 202023300070U CN 214096186 U CN214096186 U CN 214096186U
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- Prior art keywords
- pipe
- connecting pipe
- heat
- ring
- flow sensor
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- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 239000011241 protective layer Substances 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims 3
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The utility model relates to a vortex shedding flowmeter, including the medium pipeline, be provided with the swirl in the medium pipeline and take place the body, be provided with the installation base on the medium pipeline, be provided with flow sensor in the installation base, flow sensor's bottom is located the medium pipeline that the swirl takes place body one side, installation base top be provided with the connecting pipe, be provided with the radiating ring on the connecting pipe, the top of connecting pipe is provided with heat insulating sleeve pipe, heat insulating sleeve pipe's outside cover is equipped with instrument installation pipe, the fixed display instrument that is provided with in top of instrument installation pipe, display instrument and flow sensor electric connection. The utility model discloses because heat insulation sleeve's thermal resistance is higher after the connecting pipe received the heat by medium pipeline transmission, the connecting pipe received the heat and transmits for the radiating ring more easily, thereby the radiating ring dispels the heat at the air that contacts the flow and indirect reduction the heat of transmitting for display instrument, has reduced display instrument operating temperature. The utility model discloses adjust, convenient to use, have extensive market prospect.
Description
Technical Field
The utility model relates to a flowmeter field, concretely relates to vortex shedding flowmeter.
Background
The vortex street flowmeter is researched and produced according to the Karman vortex street principle, and is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like. 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 vortex shedding flowmeter can work in a high-temperature environment inevitably, a display device in the vortex shedding flowmeter is provided with a large amount of circuit equipment, the aging of a circuit can be accelerated if the display device works in the high-temperature environment for a long time, the service life of the equipment is shortened, the running temperature of the display device can be higher under the condition of higher environmental temperature in summer, and equipment spontaneous combustion is easy to occur after electric sparks are easy to occur if electric shock contacts are in poor contact after the circuit is aged, so that safety accidents are caused.
Disclosure of Invention
Not enough to prior art, the utility model provides a can improve equipment's heat dispersion and then indirect vortex shedding flowmeter who reduces display instrument operating temperature for overcome defect among the prior art.
The utility model adopts the technical proposal that: the utility model provides a vortex shedding flowmeter, includes the medium pipeline, is provided with the swirl body of taking place among the medium pipeline, is provided with the installation base on the medium pipeline, is provided with flow sensor in the installation base, and flow sensor's bottom is located the medium pipeline of swirl body one side of taking place, installation base top be provided with the connecting pipe, be provided with the radiating ring on the connecting pipe, the top of connecting pipe is provided with heat insulating sleeve, heat insulating sleeve's outside cover is equipped with instrument installation pipe, the fixed display instrument that is provided with in top of instrument installation pipe, display instrument and flow sensor electric connection.
Preferably, a first connecting plate is arranged in the instrument mounting pipe, a first plug is arranged on the first connecting plate, a second connecting plate is sleeved in the top end of the connecting pipe, a first socket is arranged on the second connecting plate, the first plug is movably connected with the first socket, a third connecting plate is sleeved in the bottom end of the second connecting plate, a second plug is arranged on the third connecting plate, the flow sensor comprises a probe part, a transmission part and a positioning block part, the bottom of the probe part is positioned in the medium pipeline, the positioning block part is positioned above the probe part, the transmission part is positioned above the positioning block, the top of transmission portion be provided with the jack, second plug and jack swing joint, display instrument and first socket pass through first plug connection of electric lines, first socket and flow sensor pass through second plug electric connection.
Preferably, a protective layer is arranged on the side end face of the flow sensor, and a sealing ring is arranged between the protective layer and the mounting base.
Preferably, the radiating ring adopts an annular structure, the radiating ring is fixedly sleeved on the connecting pipe, and the thickness of the radiating ring is gradually increased along the direction from the outer end surface of the radiating ring to the inner end surface of the radiating ring.
Preferably, the fixed position sleeve that is provided with in the heat insulating sleeve outside, be provided with the holding ring on the bottom of connecting pipe, it is fixed through first lock nut between installation base and the connecting pipe, first lock nut and installation base threaded connection, it is fixed through second lock nut between connecting pipe and the instrument installation pipe, second lock nut and instrument installation pipe threaded connection.
Preferably, a compression nut is sleeved in the mounting base above the positioning block part, a compression ring is arranged between the compression nut and the positioning block part, an insulating layer is arranged on the compression ring, the transmission part and the positioning block part are respectively movably connected with the insulating layer, and the compression nut is in threaded connection with the mounting base.
Preferably, the first connecting plate, the second connecting plate and the third connecting plate are all of sheet structures made of engineering plastic materials, and the heat insulation sleeve is of a tubular structure made of rubber materials.
Preferably, the number of the heat dissipation rings is a plurality, and the plurality of heat dissipation rings are sequentially and uniformly distributed on the connecting pipe between the first locking nut and the heat insulation sleeve.
The utility model has the advantages that: first, the utility model discloses because heat insulation sleeve's thermal resistance is higher after the connecting pipe received the heat by medium pipeline transmission, the connecting pipe received the heat and transmits for the radiating ring more easily, and the radiating ring dispels the heat in the air that contacts the flow to indirect reduction the heat of transmitting for display instrument, reduced display instrument operating temperature.
Secondly, be provided with the protective layer on flow sensor's the side end face, the protective layer extends to by locating piece portion probe portion, set up the protective layer and avoided the medium velocity of flow too big and the flow sensor amplitude of oscillation that leads to too big and the damage that arouses.
And finally, the thickness of the radiating ring is gradually increased along the direction from the outer end face of the radiating ring to the inner end face of the radiating ring, so that the radiating area of the radiating ring is increased.
The utility model has the advantages of simple structure, convenient operation, ingenious design, good social and economic benefits, and easy popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.
Fig. 3 is a partially enlarged schematic view of detail B of fig. 1.
Detailed Description
As shown in fig. 1, 2 and 3, a vortex flowmeter comprises a medium pipeline 1, a vortex generating body 2 is arranged in the medium pipeline 1, an installation base 3 is arranged on the medium pipeline 1, a flow sensor 4 is arranged in the installation base 3, the bottom of the flow sensor 4 is positioned in the medium pipeline 1 on one side of the vortex generating body 2, a connecting pipe 5 is arranged above the installation base 3, a radiating ring 6 is arranged on the connecting pipe 5, a heat insulating sleeve 7 is arranged at the top of the connecting pipe 5, an instrument installation pipe 8 is sleeved outside the heat insulating sleeve 7, a display instrument 9 is fixedly arranged at the top end of the instrument installation pipe 8, and the display instrument 9 is electrically connected with the flow sensor 4. A first connecting plate 10 is arranged in the instrument mounting tube 8, a first plug 11 is arranged on the first connecting plate 10, a second connecting plate 12 is sleeved in the top end of the connecting tube 5, a first socket 13 is arranged on the second connecting plate 12, the first plug 11 is movably connected with the first socket 13, a third connecting plate 14 is sleeved in the bottom end of the second connecting plate 12, a second plug 15 is arranged on the third connecting plate 14, the flow sensor 4 comprises a probe part, a transmission part and a positioning block part, the bottom of the probe part is positioned in the medium pipeline 1, the positioning block part is positioned above the probe part, the transmission part is positioned above the positioning block, the top of transmission portion be provided with jack 16, second plug 15 and jack 16 swing joint, display instrument 9 and first socket 13 are through first plug 11 connection of electric lines, first socket 13 and flow sensor 4 are through second plug 15 electric connection. A protective layer 17 is arranged on the side end face of the flow sensor 4, the protective layer 17 extends from the positioning block part to the probe part, and the protective layer 17 is arranged to avoid damage caused by overlarge swing amplitude of the flow sensor 4 due to overlarge medium flow velocity. A sealing ring 18 is arranged between the protective layer 17 and the mounting base 3. The sealing ring 18 is capable of effectively sealing the short-circuit caused by the medium entering the cavity of the mounting base 3.
In order to maintain the product conveniently, the outer side of the heat insulation sleeve 7 of the product is fixedly provided with a positioning sleeve 20, the outer diameter of the positioning sleeve 20 is matched with the inner diameter of the instrument installation pipe 8, the installation base 3 and the connecting pipe 5 are fixed through a first locking nut 19, the connecting pipe 5 and the instrument installation pipe 8 are fixed through a second locking nut 22, and the second locking nut 22 is in threaded connection with the instrument installation pipe 8. The first locking nut 19 and the second locking nut 22 are of an integral structure formed by a pressing ring part and a nut part, internal threads are arranged on the inner wall of the nut part, the pressing ring part of the second locking nut 22 is movably sleeved on the heat insulation sleeve 7, and the pressing ring part of the second locking nut 22 is movably connected with the positioning sleeve 20. In the installation process, through inserting position sleeve 20 in instrument installation pipe 8, reach the mounting position when position sleeve 20 contacts first connecting plate 10 promptly, reach and predetermine the closed electric connection that realizes of first socket 13 and first plug 11 behind the mounting position, accomplish fixedly through tightening second lock nut 22.
The top of installation base 3 adopts the pipe form, is provided with holding ring 21 on the bottom of connecting pipe 5, the clamping ring portion swing joint of first lock nut 19 on connecting pipe 5, the shape of holding ring 21 matches with the partial shape of 3 inner chambers of installation base, the diameter of holding ring 21 is not less than the diameter of connecting pipe 5, holding ring 21 with the clamping ring portion swing joint of first lock nut 19, first lock nut 19 and 3 threaded connection of installation base, in the installation, accomplish the location through inserting holding ring 21 behind the top of 3 inner chambers of installation base, at this moment, second plug 15 and jack 16 accomplish to peg graft and realize electric connection. The second plug 15 and the first socket 13 are electrically connected through a wire located in the connecting tube 5, and the fixing of the positioning ring 21 is completed by tightening the first locking nut 19. Through the setting, the electric connection between the display instrument 9 and the flow sensor 4 through the wire positioned in the connecting pipe 5 is realized, when equipment goes wrong, the display instrument 9 and the flow sensor 4 are conveniently detached to carry out off-line fault treatment, and meanwhile, spare parts are replaced without influencing normal equipment operation.
In order to increase the heat dissipation area of the heat dissipation ring 6, the heat dissipation ring 6 of the product adopts an annular structure, the heat dissipation ring 6 is fixedly sleeved on the connecting pipe 5, and the thickness of the heat dissipation ring 6 is gradually increased along the direction from the outer end surface of the heat dissipation ring 6 to the inner end surface of the heat dissipation ring 6. Furthermore, the number of the heat dissipation rings 6 is several, and several heat dissipation rings 6 are sequentially and uniformly distributed on the connecting pipe 5 between the first locking nut 19 and the heat insulation sleeve 7. A cavity is formed between two adjacent radiating rings 6, and the length of the section of the outer side end of the cavity is greater than that of the section of the inner side end of the cavity, so that gas can flow into the cavity more conveniently for heat exchange. Meanwhile, the first connecting plate 10, the second connecting plate 12 and the third connecting plate 14 are all of sheet structures made of engineering plastics, and the heat insulation sleeve 7 is of a tubular structure made of rubber. The efficiency of heat conduction from the mounting base 3 to the display instrument 9 is reduced.
Meanwhile, in order to fix the flow sensor 4, a compression nut 23 is sleeved in the mounting base 3 above the positioning block portion, a compression ring 24 is arranged between the compression nut 23 and the positioning block portion, an insulating layer 25 is arranged on the compression ring 24, the transmission portion and the positioning block portion are movably connected with the insulating layer 25, and the compression nut 23 is in threaded connection with the mounting base 3.
The use method of the product is as follows: as shown in fig. 1, 2 and 3, in an operating state, a medium in the medium pipeline 1 is transmitted, a flowing medium forms a vortex after contacting the vortex generator 2, the flow sensor 4 generates an electric signal after contacting the vortex and transmits the electric signal to the display instrument 9, and the display instrument 9 processes the electric signal to form a number and displays the number.
During the period, if the flowing medium is in a high temperature state, heat is transmitted to the connecting pipe 5 through the mounting base 3, after the connecting pipe 5 receives the heat, the heat is more easily transmitted to the heat dissipation ring 6 after the connecting pipe 5 receives the heat due to the fact that the thermal resistance of the heat insulation sleeve 7, the first connecting plate 10 and the second connecting plate 12 is high, the heat is more easily transmitted to the heat dissipation ring 6 after the connecting pipe 5 receives the heat, and the heat dissipation ring 6 dissipates the heat when contacting the flowing air, so that the heat transmitted to the display instrument 9 is indirectly reduced, and the operating temperature of the display instrument 9 is reduced.
The utility model discloses a satisfy a vortex flowmeter in flowmeter field worker needs, make the utility model discloses extensive market prospect has.
Claims (8)
1. The utility model provides a vortex flowmeter, includes medium pipe (1), is provided with swirl generating body (2) in medium pipe (1), is provided with installation base (3) on medium pipe (1), is provided with flow sensor (4) in installation base (3), and the bottom of flow sensor (4) is located in swirl generating body (2) one side medium pipe (1), its characterized in that: installation base (3) top be provided with connecting pipe (5), be provided with radiating ring (6) on connecting pipe (5), the top of connecting pipe (5) is provided with heat insulating sleeve (7), the outside cover of heat insulating sleeve (7) is equipped with instrument installation pipe (8), the fixed display instrument (9) that is provided with in top of instrument installation pipe (8), display instrument (9) and flow sensor (4) electric connection.
2. The vortex shedding flowmeter of claim 1, wherein: the flow sensor (4) comprises a probe part, a transmission part and a positioning block part, wherein the bottom of the probe part is positioned in the medium pipeline (1), the positioning block part is positioned above the probe part, the transmission part is positioned above the positioning block, the top end of the transmission part is provided with a jack (16), the second plug (15) is movably connected with the jack (16), the display instrument (9) is connected with the first socket (13) through the first plug (11) through a wire, and the first socket (13) is electrically connected with the flow sensor (4) through the second plug (15).
3. The vortex shedding flowmeter of claim 1, wherein: a protective layer (17) is arranged on the side end face of the flow sensor (4), and a sealing ring (18) is arranged between the protective layer (17) and the mounting base (3).
4. The vortex shedding flowmeter of claim 1, wherein: the heat dissipation ring (6) is of an annular structure, the heat dissipation ring (6) is fixedly sleeved on the connecting pipe (5), and the thickness of the heat dissipation ring (6) is gradually increased along the direction from the outer end face of the heat dissipation ring (6) to the inner end face of the heat dissipation ring (6).
5. The vortex shedding flowmeter of claim 2, wherein: the fixed position sleeve pipe (20) that is provided with in heat insulating sleeve pipe (7) outside, be provided with holding ring (21) on the bottom of connecting pipe (5), it is fixed through first lock nut (19) between installation base (3) and connecting pipe (5), first lock nut (19) and installation base (3) threaded connection, it is fixed through second lock nut (22) between connecting pipe (5) and instrument installation pipe (8), second lock nut (22) and instrument installation pipe (8) threaded connection.
6. The vortex shedding flowmeter of claim 2, wherein: mounting base (3) endotheca of locating piece portion top be equipped with gland nut (23), gland nut (23) with locating piece portion between be provided with clamp ring (24), be provided with insulating layer (25) on clamp ring (24), transmission portion with locating piece portion equally divide and do not divide and insulating layer (25) swing joint, gland nut (23) and mounting base (3) threaded connection.
7. The vortex shedding flowmeter of claim 2, wherein: the first connecting plate (10), the second connecting plate (12) and the third connecting plate (14) are all of sheet structures made of engineering plastic materials, and the heat insulation sleeve (7) is of a tubular structure made of rubber materials.
8. The vortex shedding flowmeter of claim 5, wherein: the number of the heat dissipation rings (6) is a plurality, and the heat dissipation rings (6) are sequentially and uniformly distributed on the connecting pipe (5) between the first locking nut (19) and the heat insulation sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300070.9U CN214096186U (en) | 2020-12-31 | 2020-12-31 | Vortex street flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300070.9U CN214096186U (en) | 2020-12-31 | 2020-12-31 | Vortex street flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214096186U true CN214096186U (en) | 2021-08-31 |
Family
ID=77436202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023300070.9U Expired - Fee Related CN214096186U (en) | 2020-12-31 | 2020-12-31 | Vortex street flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214096186U (en) |
-
2020
- 2020-12-31 CN CN202023300070.9U patent/CN214096186U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20210831 |