CN214121301U - High-temperature-resistant ceramic probe of hot gas mass flow meter - Google Patents
High-temperature-resistant ceramic probe of hot gas mass flow meter Download PDFInfo
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- CN214121301U CN214121301U CN202120351001.6U CN202120351001U CN214121301U CN 214121301 U CN214121301 U CN 214121301U CN 202120351001 U CN202120351001 U CN 202120351001U CN 214121301 U CN214121301 U CN 214121301U
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- flow meter
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- mass flow
- mass flowmeter
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Abstract
The utility model discloses a hot type gas mass flow meter's high temperature resistant ceramic probe, wherein the outside of hot type mass flow meter probe body is provided with ceramic lag, fluid pipeline sets up in the inside of hot type mass flow meter probe body, the bolt is installed perpendicularly in the threaded hole of hot type mass flow meter probe body left part, interface adaptation mechanism sets up in the left end of hot type mass flow meter probe body, the mount sets up in interface adaptation mechanism's bottom, resistance temperature sensor installs in the inside of fluid pipeline through establishing the recess, the screw cap sets up in the left end of recess, stop plug sets up in the left end of screw cap. The utility model discloses a surface is provided with the protective structure that ceramic material made, has good high temperature resistant function, is convenient for under high temperature environment normal use, and its interface adaptation mechanism through setting up can carry out high accuracy location installation to by mount structure further reinforcing apparatus's overall structure, ensure that its working property who is applied to metering system is stable.
Description
Technical Field
The utility model relates to a probe technical field, specific hot type gas mass flow meter's high temperature resistant ceramic probe that says so.
Background
The traditional thermal mass flowmeter is characterized in that a molybdenum resistance wire is wound on a ceramic column, a temperature field is established by heating through current, and when gas flows through the temperature field, the influence on the temperature field is expressed as flow change. The probe of the existing thermal gas mass flow meter has no good high temperature resistance, the assembly precision is poor, and the installation flexibility is low, so that the existing probe has an incomplete structure and is difficult to meet the use requirement of the modern gas mass flow meter.
In view of the above, we propose a high temperature resistant ceramic probe for a thermal gas mass flowmeter to address the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a hot type gas mass flow meter's high temperature resistant ceramic probe.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a high-temperature resistant ceramic probe of a thermal gas mass flow meter comprises a thermal mass flow meter probe body, a ceramic protective sleeve, a fluid pipeline, a bolt, an interface adaptation mechanism, a fixing frame, a resistance temperature sensor, a groove, a threaded hole, a threaded cap and a limiting plug, wherein the ceramic protective sleeve is arranged outside the thermal mass flow meter probe body, the fluid pipeline is arranged inside the thermal mass flow meter probe body, the bolt is vertically arranged in the threaded hole in the left part of the thermal mass flow meter probe body, the interface adaptation mechanism is arranged at the left end of the thermal mass flow meter probe body, the fixing frame is arranged at the bottom of the interface adaptation mechanism, the resistance temperature sensor is arranged inside the fluid pipeline through the groove arranged at the left end in the thermal mass flow meter probe body, the threaded cap is arranged at the left end of the groove, the limiting plug is arranged at the left end of the threaded cap.
In order to further improve the convenience of using the high-temperature resistant ceramic probe of the thermal gas mass flow meter, the inner layer of the ceramic protective sleeve is filled with polytetrafluoroethylene particles.
In order to further improve the convenience of the high-temperature resistant ceramic probe of the thermal gas mass flow meter, the bolt is matched with the threaded hole in size.
In order to further improve the use convenience of the high-temperature resistant ceramic probe of the thermal gas mass flow meter, the interface adaptation mechanism comprises a sleeve, a fastening piece, a sealing ring, a thread section and a limiting groove, the sleeve is arranged outside the fastening piece, the sealing ring is arranged between the fastening piece and the thread section, the thread section is arranged at the right end of the fastening piece, and the limiting groove is arranged at the bottom of the fastening piece.
In order to further improve the convenience in use of hot type gas mass flow meter's high temperature resistant ceramic probe, the mount includes abaculus, roof, reinforcement work piece and mounting screw, the abaculus sets up in the top of roof, the roof sets up in the top of mount, the L shape the reinforcement work piece passes through the mounting screw and sets up in the bottom of mount.
In order to further improve the convenience of using the high temperature resistant ceramic probe of the thermal gas mass flow meter, the resistance temperature sensor is a platinum thermal resistor, and the platinum thermal resistor can be one of a patch type platinum resistor, a thick film platinum resistor or a thin film platinum resistor in a PT100 series product.
In order to further improve the convenience in use of the high-temperature resistant ceramic probe of the thermal gas mass flow meter, the number of the limit plugs is two.
The utility model has the advantages that:
the surface of the high-temperature resistant ceramic probe of the hot gas mass flow meter is provided with a protective structure made of ceramic materials, so that the hot gas mass flow meter has a good high-temperature resistant function and is convenient to use normally in a high-temperature environment.
Secondly, this kind of hot type gas mass flow meter's high temperature resistant ceramic probe can carry out high accuracy location installation through the interface adapter mechanism that sets up to by the overall structure of mount structure further reinforcing apparatus, ensure its working property stability of being applied to metering system.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic structural view of a portion of the present invention;
fig. 3 is a schematic structural diagram of the interface adapting mechanism of the present invention;
fig. 4 is a schematic structural view of the fixing frame of the present invention.
In the figure: the mass flow meter comprises a 1-type mass flow meter probe body, a 2-type ceramic protective sleeve, a 3-type fluid pipeline, 4 bolts, 5-interface adaptive mechanisms, 51 sleeves, 52 fasteners, 53 sealing rings, 54 threaded sections, 55 limiting grooves, 6 fixing frames, 61 embedded blocks, 62 top plates, 63 reinforcing workpieces, 64 mounting screws, 7-type resistance temperature sensors, 8 grooves, 9 threaded holes, 10 threaded caps and 11 limiting plugs.
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. 1-4, a high temperature resistant ceramic probe of a thermal gas mass flowmeter comprises a thermal mass flowmeter probe body 1, a ceramic protective sleeve 2, a fluid pipeline 3, a bolt 4, an interface adapting mechanism 5, a fixing frame 6, a resistance temperature sensor 7, a groove 8, a threaded hole 9, a threaded cap 10 and a limit plug 11, wherein the ceramic protective sleeve 2 is arranged outside the thermal mass flowmeter probe body 1, the fluid pipeline 3 is arranged inside the thermal mass flowmeter probe body 1, the bolt 4 is vertically arranged in the threaded hole 9 at the left part of the thermal mass flowmeter probe body 1, the interface adapting mechanism 5 is arranged at the left end of the thermal mass flowmeter probe body 1, the fixing frame 6 is arranged at the bottom of the interface adapting mechanism 5, the resistance temperature sensor 7 is arranged inside the fluid pipeline 3 through the groove 8 arranged at the left end in the thermal mass flowmeter probe body 1, the screw cap 10 is arranged at the left end of the groove 8, and the limit plug 11 is arranged at the left end of the screw cap 10.
The utility model discloses in:
as the utility model discloses an optimal technical scheme, the inlayer packing of ceramic lag 2 has the polytetrafluoroethylene granule, and not only the outside ceramic lag 2 that adopts the pottery to make carries anti-oxidant, high temperature resistance characteristic, and the polytetrafluoroethylene granule of its inside packing also has stronger high temperature resistance characteristic, so ceramic lag 2 can protect hot type mass flow meter probe body 1 for hot type mass flow meter probe body 1 can work for a long time under high temperature environment.
As an optimal technical scheme of the utility model, the equipment of hot type mass flow meter probe body 1 and interface adaptation mechanism 5 is further fixed through the installation between bolt 4 and the screw hole 9 to size looks adaptation between bolt 4 and the screw hole 9 of being convenient for.
As a preferred technical scheme of the utility model, interface adaptation mechanism 5 includes sleeve pipe 51, fastener 52, sealing washer 53, screw thread section 54 and spacing groove 55, sleeve pipe 51 sets up in the outside of fastener 52, sealing washer 53 sets up in fastener 52, between screw thread section 54, screw thread section 54 sets up in the right-hand member of fastener 52, spacing groove 55 sets up in the bottom of fastener 52, can carry out hot type mass flow meter probe body 1's installation and location through interface adaptation mechanism 5, its processing technology is simple, high durability and convenient installation, firm in connection has good leakproofness.
As a preferred technical scheme of the utility model, mount 6 includes abaculus 61, roof 62, reinforcement work piece 63 and mounting screw 64, and abaculus 61 sets up in the top of roof 62, and roof 62 sets up in the top of mount 6, and the reinforcement work piece 63 of L shape sets up in the bottom of mount 6 through mounting screw 64, but guarantees the job stabilization nature through the structure that mount 6 steady support interface adapter mechanism 5 and hot type mass flow meter probe body 1 are constituteed.
As an optimized technical scheme of the utility model, resistance temperature sensor 7 is the platinum resistance, and the platinum resistance can be for in the SMD platinum resistance, thick film platinum resistance or the thin film platinum resistance in the PT100 series product, and above platinum resistance all can purchase through the market or private customization obtains.
As a preferred technical scheme of the utility model, the quantity that stop plug 11 set up is two, and the stop plug 11 of being convenient for corresponds the installation with spacing groove 55, has the function of installing spacing hot type mass flowmeter probe body 1.
The utility model discloses a theory of operation is: when the thermal type gas mass flowmeter is used, one side of the interface adapting mechanism 5 at the left end extends into the sealed axial channel, an external device (a thermal type gas mass flowmeter) is radially positioned through the internal fastener 52, a ball valve is installed at the other side of the interface adapting mechanism 5 and then is connected with a corresponding flow pipeline to be measured, the interface adapting mechanism 5 is supported and fixed by the fixing frame 6 to complete assembly, then an electric wire on the external device (the thermal type gas mass flowmeter) is electrically connected with the thermal type mass flowmeter probe body 1 inside the ceramic protecting sleeve 2, and after the external device (the thermal type gas mass flowmeter) is electrified, the thermal type mass flowmeter probe body 1 can be inserted into the area where the flow pipeline to be measured is connected to detect. The utility model discloses a surface is provided with the protective structure that ceramic material made, has good high temperature resistant function, is convenient for under high temperature environment normal use, and its interface adaptation mechanism through setting up can carry out high accuracy location installation to by mount structure further reinforcing apparatus's overall structure, ensure that its working property who is applied to metering system is stable.
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 (7)
1. The utility model provides a gaseous mass flow meter's of hot type high temperature resistant ceramic probe, includes hot type mass flow meter probe body (1), ceramic lag (2), fluid pipeline (3), bolt (4), interface adaptation mechanism (5), mount (6), resistance temperature sensor (7), recess (8), screw hole (9), screw cap (10) and stop plug (11), its characterized in that: the utility model discloses a thermal type mass flowmeter probe body, including thermal type mass flowmeter probe body (1), fluid pipeline (3) set up in the inside of thermal type mass flowmeter probe body (1), bolt (4) are installed perpendicularly in screw hole (9) of thermal type mass flowmeter probe body (1) left part, interface adaptation mechanism (5) set up in the left end of thermal type mass flowmeter probe body (1), mount (6) set up in the bottom of interface adaptation mechanism (5), install in the inside of fluid pipeline (3) through recess (8) that set up the left end in thermal type mass flowmeter probe body (1) resistance temperature sensor (7), screw cap (10) set up in the left end of recess (8), limit plug (11) set up in the left end of screw cap (10).
2. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the inner layer of the ceramic protecting sleeve (2) is filled with polytetrafluoroethylene particles.
3. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the bolt (4) is matched with the threaded hole (9) in size.
4. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the interface adapting mechanism (5) comprises a sleeve (51), a fastening piece (52), a sealing ring (53), a threaded section (54) and a limiting groove (55), the sleeve (51) is arranged outside the fastening piece (52), the sealing ring (53) is arranged between the fastening piece (52) and the threaded section (54), the threaded section (54) is arranged at the right end of the fastening piece (52), and the limiting groove (55) is arranged at the bottom of the fastening piece (52).
5. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the fixing frame (6) comprises an insert block (61), a top plate (62), a reinforcing workpiece (63) and a mounting screw (64), the insert block (61) is arranged at the top of the top plate (62), the top plate (62) is arranged at the top end of the fixing frame (6), and the reinforcing workpiece (63) in an L shape is arranged at the bottom end of the fixing frame (6) through the mounting screw (64).
6. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the resistance temperature sensor (7) is a platinum thermal resistor, and the platinum thermal resistor can be one of a patch type platinum resistor, a thick film platinum resistor or a thin film platinum resistor in PT100 series products.
7. The high temperature resistant ceramic probe of a thermal gas mass flowmeter of claim 1, characterized in that: the number of the limiting plugs (11) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351001.6U CN214121301U (en) | 2021-02-05 | 2021-02-05 | High-temperature-resistant ceramic probe of hot gas mass flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351001.6U CN214121301U (en) | 2021-02-05 | 2021-02-05 | High-temperature-resistant ceramic probe of hot gas mass flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214121301U true CN214121301U (en) | 2021-09-03 |
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ID=77496759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120351001.6U Active CN214121301U (en) | 2021-02-05 | 2021-02-05 | High-temperature-resistant ceramic probe of hot gas mass flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214121301U (en) |
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2021
- 2021-02-05 CN CN202120351001.6U patent/CN214121301U/en active Active
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