CN214121291U - Novel high-temperature-resistant sensor of vortex shedding flowmeter - Google Patents
Novel high-temperature-resistant sensor of vortex shedding flowmeter Download PDFInfo
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- CN214121291U CN214121291U CN202120342237.3U CN202120342237U CN214121291U CN 214121291 U CN214121291 U CN 214121291U CN 202120342237 U CN202120342237 U CN 202120342237U CN 214121291 U CN214121291 U CN 214121291U
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Abstract
The utility model discloses a novel vortex flowmeter high temperature resistant sensor, including housing body, sensor body, honeycomb duct and high temperature resistant lag, housing body sets up in sensor body's surface, and the honeycomb duct runs through in sensor body's inner chamber, and high temperature resistant lag sets up in sensor body's outside, and high temperature resistant lag is provided with the high temperature glaze top layer, sealed linkage layer, the multilayer high temperature resistant layer structure of semiconductor ceramic fiber filling layer and high temperature glaze inlayer, can high temperature resistant protection sensor body, is convenient for use under high temperature environment. The utility model discloses to the influence of the performance of sensor among the high temperature environment of overcoming that can be fine, have good high temperature resistant protectiveness, simple structure moreover, the dismouting of being convenient for has the practicality, and application scope is extensive.
Description
Technical Field
The utility model relates to a vortex flowmeter detecting element, specific novel vortex flowmeter high temperature resistant sensor that says so.
Background
The vortex flowmeter is also called as vortex flowmeter or Karman vortex flowmeter, and is a novel flowmeter for measuring the fluid flow of a closed pipeline according to the Karman vortex principle. The flow meter has good medium adaptability, can directly measure the working condition volume flow of steam, air, gas, water and liquid without temperature and pressure compensation, is provided with temperature and pressure sensors to measure the standard condition volume flow and mass flow, and is an ideal substitute product of the throttling flow meter.
The vortex shedding flowmeter sensor produced at present is a kind of steam heating metering, and the flow sensor captures a measurable current signal through vortex generation frequency, but the vortex shedding flowmeter sensor usually needs to work continuously under the condition of relatively severe environmental conditions, so that the vortex shedding flowmeter sensor needs to have high temperature resistance.
The applicant believes that there is a need for a new high temperature sensor for a vortex shedding flowmeter, which can protect the sensor device from high temperature, thereby improving the durability of the sensor.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a novel high temperature resistant sensor of vortex flowmeter.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a novel vortex flowmeter temperature resistant sensor, includes shell body, sensor body, honeycomb duct and high temperature resistant lag, the shell body sets up in sensor body's surface, the honeycomb duct runs through in sensor body's inner chamber, high temperature resistant lag sets up in sensor body's outside.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: the sensor body comprises an inflow pipe orifice, an outflow pipe orifice, a vortex generating body, an upper piezoelectric probe, a lower piezoelectric probe, a reinforcing plate, a screw and an inner support, wherein the inflow pipe orifice is arranged at the left end of the sensor body, the outflow pipe orifice is arranged at the right end of the sensor body, the vortex generating body is arranged at the central position inside the sensor body through the inner support, the upper piezoelectric probe is arranged at the top end of the vortex generating body, the lower piezoelectric probe is arranged at the bottom end of the vortex generating body, and the reinforcing plate of a positive frame structure is arranged at the side part of the sensor body through the screw.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: limiting rings are fixed inside the inflow pipe orifice and the outflow pipe orifice, and the top surfaces of the limiting rings are respectively assembled with the two ends of the sensor body in a pressing mode.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: the upper piezoelectric probe and the lower piezoelectric probe are same in quality and are electrically connected with the vortex generating body through signal lines, and the vibration signals and the vortex street signals can be identified.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: the high-temperature-resistant protective sleeve comprises a first annular clamping block, a second annular clamping block, a high-temperature glaze surface layer, a sealing connection layer, a semiconductor ceramic fiber filling layer and a high-temperature glaze inner layer, wherein the first annular clamping block is arranged on the upper portion of the high-temperature-resistant protective sleeve, the second annular clamping block is arranged on the lower portion of the high-temperature-resistant protective sleeve, the high-temperature glaze surface layer is arranged on the outermost layer of the high-temperature-resistant protective sleeve, the sealing connection layer is arranged on the inner layer of the high-temperature glaze surface layer, the semiconductor ceramic fiber filling layer is arranged on the inner layer of the sealing connection layer, and the high-temperature glaze inner layer is arranged on the innermost layer of the high-temperature-resistant protective sleeve.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: and the first annular clamping block and the second annular clamping block are embedded into the upper end and the lower end of the high-temperature-resistant protective sleeve and are mutually connected in a self-locking manner.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: the thickness of the high-temperature glaze surface layer and the thickness of the high-temperature glaze inner layer are both 1-1.5 cm.
In order to further improve the convenience of the novel high-temperature resistant sensor of the vortex shedding flowmeter: the sealing connecting layer is made of a resin-vulcanized butyl rubber material.
The utility model has the advantages that: this kind of novel resistant high temperature protective sheath in surface on vortex flowmeter high temperature resistant sensor surface be provided with the resistant high temperature layer structure of multilayer on high temperature glaze top layer, sealed linkage layer, semiconductor ceramic fiber filling layer and high temperature glaze inlayer, can be high temperature resistant protection sensor body, be convenient for use under high temperature environment. The utility model discloses to the influence of the performance of sensor among the high temperature environment of overcoming that can be fine, have good high temperature resistant protectiveness, simple structure moreover, the dismouting of being convenient for has the practicality, and application scope is extensive.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural diagram of the sensor body of the present invention;
fig. 3 is a structural sectional view of the sensor body of the present invention;
FIG. 4 is a schematic structural view of the high temperature resistant protective sleeve of the present invention;
fig. 5 is a sectional view of the high temperature resistant protective sleeve of the present invention.
In the figure: the sensor comprises a shell body 1, a sensor body 2, a flow inlet pipe 21, a flow outlet pipe 22, a vortex generator 23, an upper piezoelectric probe 24, a lower piezoelectric probe 25, a reinforcing plate 26, a screw 27, an inner support 28, a flow guide pipe 3, a high-temperature-resistant protective sleeve 4, a first annular fixture block 41, a second annular fixture block 42, a high-temperature glaze surface layer 43, a sealing connection layer 44, a semiconductor ceramic fiber filling layer 45 and a high-temperature glaze inner layer 46.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a novel high temperature sensor of a vortex shedding flowmeter includes a housing 1, a sensor 2, a flow guide tube 3 and a high temperature-resistant protective sleeve 4, wherein the housing 1 is disposed on the surface of the sensor 2, the flow guide tube 3 penetrates through the inner cavity of the sensor 2, and the high temperature-resistant protective sleeve 4 is disposed outside the sensor 2.
The utility model discloses in:
As a preferred technical scheme of the utility model, the inside of inflow mouth of pipe 21, the mouth of pipe 22 that effluents all is fixed with the spacing ring, and the spacing ring top surface compresses tightly the assembly, the installation of being convenient for with installing in 2 both ends of sensor body respectively.
As an optimized technical scheme of the utility model, the quality that goes up piezoelectric probe 24, lower piezoelectric probe 25 and set up is the same, all through signal line and vortex generator 23 electric connection, all can discern vibration signal and vortex street signal.
As an optimal technical scheme, high temperature resistant lag 4 includes first annular fixture block 41, second annular fixture block 42, high temperature glaze top layer 43, sealed linkage layer 44, semiconductor ceramic fiber filling layer 45 and high temperature glaze inlayer 46, first annular fixture block 41 sets up in the upper portion of high temperature resistant lag 4, second annular fixture block 42 sets up in the lower part of high temperature resistant lag 4, high temperature glaze top layer 43 sets up in the outmost of high temperature resistant lag 4, sealed linkage layer 44 sets up in the inlayer of high temperature glaze top layer 43, semiconductor ceramic fiber filling layer 45 sets up in the inlayer of sealed linkage layer 44, high temperature glaze inlayer 46 sets up in the inlayer of high temperature resistant lag 4, can effectively improve the high temperature resistant effect of high temperature resistant lag 4 through the multilayer high temperature resistant structure that sets up, be applicable to the use of its inside sensor body 2.
As a preferred technical scheme of the utility model, first annular fixture block 41 all imbeds high temperature resistant lag 4's upper and lower both ends and mutual auto-lock with second annular fixture block 42 and is connected, is convenient for carry out high temperature resistant lag 4's outside equipment.
As an optimized technical proposal of the utility model, the thickness of the high-temperature glaze surface layer 43 and the high-temperature glaze inner layer 46 is 1-1.5cm, and the high-temperature glaze surface layer has good effect of protecting the semiconductor ceramic fiber filling layer.
As an optimized technical scheme of the utility model, sealed linkage layer 44 adopts the butyl rubber material of resin vulcanization to make, and the seal structure that butyl rubber material constitutes not only has when good elasticity, still has anti high temperature nature and anti chemical corrosion nature.
The utility model discloses a theory of operation is: during the use, be connected through external device and the honeycomb duct 3 of sensor body 2, then utilize external device to annotate oil in the honeycomb duct 3, the oil body flows into the inside of sensor body 2 by inflow mouth of pipe 21 under self pressure's effect, then the vortex generator 23 through sensor body 2 responds to the oil pressure, carry out signal identification by last piezoelectric probe 24 and lower piezoelectric probe 25 respectively, the oil body flows out through outflow mouth of pipe 22 at last, the high temperature resistant lag 4 that its surface set up is provided with high temperature glaze top layer 43, sealed linking layer 44, the multilayer high temperature resistant layer structure of semiconductor ceramic fibre filling layer 45 and high temperature glaze inlayer 46, can high temperature resistant protection sensor body 2, be convenient for use under high temperature environment. The utility model discloses the high temperature resistant protective sheath in surface is provided with the multilayer high temperature resistant layer structure on high temperature glaze top layer, sealed linkage layer, semiconductor ceramic fiber filling layer and high temperature glaze inlayer, can high temperature resistant protection sensor body, is convenient for use under high temperature environment. The utility model discloses to the influence of the performance of sensor among the high temperature environment of overcoming that can be fine, have good high temperature resistant protectiveness, simple structure moreover, the dismouting of being convenient for has the practicality, and application scope is extensive.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (8)
1. The utility model provides a novel vortex flowmeter high temperature resistant sensor, includes shell body (1), sensor body (2), honeycomb duct (3) and high temperature resistant lag (4), its characterized in that: the sensor is characterized in that the shell body (1) is arranged on the surface of the sensor body (2), the flow guide pipe (3) penetrates through the inner cavity of the sensor body (2), and the high-temperature-resistant protective sleeve (4) is arranged outside the sensor body (2).
2. The high temperature sensor of the vortex shedding flowmeter according to claim 1, wherein: the sensor body (2) comprises an inflow pipe orifice (21), an outflow pipe orifice (22), a vortex generating body (23), an upper piezoelectric probe (24), a lower piezoelectric probe (25), a reinforcing plate (26), a screw (27) and an inner support (28), the inflow pipe orifice (21) is arranged at the left end of the sensor body (2), the outflow pipe orifice (22) is arranged at the right end of the sensor body (2), the vortex generating body (23) is arranged at the central position inside the sensor body (2) through the inner support (28), the upper piezoelectric probe (24) is arranged at the top end of the vortex generating body (23), the lower piezoelectric probe (25) is arranged at the bottom end of the vortex generating body (23), and the reinforcing plate (26) of a positive frame structure is arranged at the side part of the sensor body (2) through the screw (27).
3. The high temperature sensor of the vortex shedding flowmeter according to claim 2, wherein: limiting rings are fixed inside the inflow pipe orifice (21) and the outflow pipe orifice (22), and the top surfaces of the limiting rings are respectively tightly assembled with the two ends of the sensor body (2).
4. The high temperature sensor of the vortex shedding flowmeter according to claim 2, wherein: the upper piezoelectric probe (24) and the lower piezoelectric probe (25) are same in quality and are electrically connected with the vortex generating body (23) through signal lines.
5. The high temperature sensor of the vortex shedding flowmeter according to claim 1, wherein: the high-temperature-resistant protective sleeve (4) comprises a first annular clamping block (41), a second annular clamping block (42), a high-temperature glaze surface layer (43), a sealing joining layer (44), a semiconductor ceramic fiber filling layer (45) and a high-temperature glaze inner layer (46), wherein the first annular clamping block (41) is arranged on the upper portion of the high-temperature-resistant protective sleeve (4), the second annular clamping block (42) is arranged on the lower portion of the high-temperature-resistant protective sleeve (4), the high-temperature glaze surface layer (43) is arranged on the outermost layer of the high-temperature-resistant protective sleeve (4), the sealing joining layer (44) is arranged on the inner layer of the high-temperature glaze surface layer (43), the semiconductor ceramic fiber filling layer (45) is arranged on the inner layer of the sealing joining layer (44), and the high-temperature glaze inner layer (46) is arranged on the innermost layer of the high-temperature-resistant protective sleeve (4).
6. The high temperature sensor of the vortex shedding flowmeter according to claim 5, wherein: the first annular clamping block (41) and the second annular clamping block (42) are embedded into the upper end and the lower end of the high-temperature-resistant protective sleeve (4) and are in self-locking connection with each other.
7. The high temperature sensor of the vortex shedding flowmeter according to claim 5, wherein: the thickness of the high-temperature glaze surface layer (43) and the thickness of the high-temperature glaze inner layer (46) are both 1-1.5 cm.
8. The high temperature sensor of the vortex shedding flowmeter according to claim 5, wherein: the sealing and connecting layer (44) is made of resin-vulcanized butyl rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120342237.3U CN214121291U (en) | 2021-02-05 | 2021-02-05 | Novel high-temperature-resistant sensor of vortex shedding flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120342237.3U CN214121291U (en) | 2021-02-05 | 2021-02-05 | Novel high-temperature-resistant sensor of vortex shedding flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN214121291U true CN214121291U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120342237.3U Active CN214121291U (en) | 2021-02-05 | 2021-02-05 | Novel high-temperature-resistant sensor of vortex shedding flowmeter |
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| Country | Link |
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| CN (1) | CN214121291U (en) |
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2021
- 2021-02-05 CN CN202120342237.3U patent/CN214121291U/en active Active
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