CN212903620U - Air blowing type thermocouple - Google Patents
Air blowing type thermocouple Download PDFInfo
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- CN212903620U CN212903620U CN202021996352.4U CN202021996352U CN212903620U CN 212903620 U CN212903620 U CN 212903620U CN 202021996352 U CN202021996352 U CN 202021996352U CN 212903620 U CN212903620 U CN 212903620U
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Abstract
The utility model provides an air blowing type thermocouple, which comprises a junction box, wherein an air blowing sleeve is assembled at the bottom of the junction box, a protective sleeve is assembled at the bottom of the air blowing sleeve, a flange plate and a fastening block are respectively assembled on the protective sleeve, a sealing check ring is assembled on the outer surface of the fastening block, a temperature sensing element is fixedly connected at the bottom of the protective sleeve, and a temperature sensor is assembled in the junction box, wherein the temperature sensor converts the resistance change of the temperature sensing element into potential and transmits an electric signal to a temperature instrument; the gas blowing sleeve is provided with the gas inlet and the gas outlet, inert gas is filled from the gas inlet during use, redundant harmful gas inside the protective sleeve is discharged from the gas outlet, the service life of the thermocouple is shortened due to the increase of temperature during temperature measurement, meanwhile, the sealing retainer ring is arranged on the fastening block, the sealing performance of the thermocouple mounting hole is guaranteed, the flange plate and the mounting hole are mounted together through the bolt, the sealing performance and the service life of the thermocouple are improved, and cost investment is saved.
Description
The technical field is as follows:
the utility model relates to a temperature measuring device field, in particular to air blowing type thermocouple.
Background art:
in industrial processes, temperature is one of the important parameters that needs to be measured and controlled. In temperature measurement, the thermocouple is widely applied, and has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, convenient output signal remote transmission and the like. In addition, because the thermocouple is an active sensor, no external power supply is needed during measurement, the thermocouple is very convenient to use, and is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solid.
The utility model has the following contents:
in view of the above, it is desirable to provide an air-blown thermocouple.
An air blowing type thermocouple comprises a junction box, an air blowing sleeve is assembled at the bottom of the junction box, a protective sleeve is assembled at the bottom of the air blowing sleeve, the protective sleeve is respectively provided with a flange and a fastening block, the fastening block is positioned at the bottom of the flange, the upper surface of the flange plate is connected with one end of a reinforcing rib, the other end of the reinforcing rib is fixedly connected with the protective sleeve, the outer surface of the fastening block is provided with a sealing retainer ring, the bottom of the protective sleeve is fixedly connected with a temperature sensing element, a dustproof cover is arranged on the junction box in a threaded manner, a connecting block is fixed on the dustproof cover, a temperature sensor is arranged in the junction box, the temperature sensor is fixedly installed on the inner wall of the junction box through the fixing plate, the input end of the temperature sensor is connected with one end of the temperature sensing element through a lead, and the output end of the temperature sensor is connected with a pin of a temperature instrument.
Preferably, a pin sleeve is assembled on one side of the junction box, a junction block is fixedly installed on the upper portion of the pin sleeve, and a chain can be fixedly connected between the junction block and the connection block.
Preferably, the thermometer pin portion passes through the pin sleeve.
Preferably, the air blowing sleeve is provided with an air inlet and an air outlet, a partition plate is fixed on the inner wall of the air blowing sleeve, the partition plate is provided with a through hole, and the partition plate is positioned between the air inlet and the air outlet.
Preferably, the air inlet and the air outlet can be provided with sealing covers in a threaded mode.
Preferably, the flange plate is provided with a plurality of threaded holes, and bolts can be assembled in the threaded holes.
The utility model provides an air blowing type thermal doll, wherein a temperature sensor converts the resistance value change of a temperature sensing element into electric potential and transmits an electric signal to a temperature instrument; the gas blowing sleeve is provided with the gas inlet and the gas outlet, inert gas is filled from the gas inlet during use, redundant harmful gas inside the protective sleeve is discharged from the gas outlet, the service life of the thermocouple is shortened due to the increase of temperature during temperature measurement, meanwhile, the sealing retainer ring is arranged on the fastening block, the sealing performance of the thermocouple mounting hole is guaranteed, the flange plate and the mounting hole are mounted together through the bolt, the sealing performance and the service life of the thermocouple are improved, and cost investment is saved.
Description of the drawings:
FIG. 1 is a schematic three-dimensional structure of an air-blown thermocouple;
FIG. 2 is a schematic diagram of a side view of an air-blown thermocouple;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;
in the figure: the temperature-sensing device comprises a junction box 1, an air blowing sleeve 2, a protective sleeve 3, a flange plate 4, a reinforcing rib 5, a fastening block 6, a sealing retainer ring 7, a temperature-sensing element 8, a dust cover 9, a connecting block 10, a temperature sensor 11, a fixing plate 12, a pin sleeve 13, a junction block 14, a lead 15, a thermometer pin 16, a threaded hole 17, an air inlet 18, an air outlet 19 and a partition plate 20.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the accompanying description 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, an air blowing type thermocouple comprises a junction box 1, an air blowing sleeve 2 is assembled at the bottom of the junction box 1, a protective sleeve 3 is assembled at the bottom of the air blowing sleeve 2, a flange 4 and a fastening block 6 are respectively assembled on the protective sleeve 3, the fastening block 6 is positioned at the bottom of the flange 4, the upper surface of the flange 4 is connected with one end of a reinforcing rib 5, the other end of the reinforcing rib 5 is fixedly connected with the protective sleeve 3, a sealing check ring 7 is assembled on the outer surface of the fastening block 6, the bottom of the protective sleeve 3 is fixedly connected with a temperature sensing element 8, a dustproof cover 9 is assembled on the junction box 1 in a threaded manner, a connecting block 10 is fixedly arranged on the dustproof cover 9, a temperature sensor 11 is assembled in the junction box 1, the temperature sensor 11 is fixedly installed on the inner wall of the junction box 1 through a fixing plate 12, the input end of the, the output end of the temperature sensor 11 is connected with a thermometer pin 16.
A pin sleeve 13 is assembled on one side of the junction box 1, a junction block 14 is fixedly installed on the upper portion of the pin sleeve 13, and a connecting chain can be fixedly connected between the junction block 14 and the connecting block 10 to prevent the dust cover 9 from falling off or losing.
The thermometer pin 16 partially passes through the pin sleeve 13.
The gas blowing sleeve 2 is provided with a gas inlet 18 and a gas outlet 19, a partition plate 20 is fixed on the inner wall of the gas blowing sleeve 2, the partition plate 20 is provided with a through hole, the partition plate 20 is positioned between the gas inlet 18 and the gas outlet 19, inert gas is filled in from the gas inlet 18, and redundant harmful gas of the protective sleeve 3 is discharged from the gas outlet 19.
The gas inlet 18 and the gas outlet 19 can be provided with sealing covers in a threaded manner, and the sealing covers are used for sealing after harmful gas is discharged, so that the service life of the thermocouple is ensured.
The flange plate 4 is provided with a plurality of threaded holes 17, and bolts can be assembled in the threaded holes 17.
The utility model provides an air blowing type thermal doll, wherein a temperature sensor converts the resistance value change of a temperature sensing element into electric potential and transmits an electric signal to a temperature instrument; the gas blowing sleeve is provided with the gas inlet and the gas outlet, inert gas is filled from the gas inlet during use, redundant harmful gas inside the protective sleeve is discharged from the gas outlet, the service life of the thermocouple is shortened due to the increase of temperature during temperature measurement, meanwhile, the sealing retainer ring is arranged on the fastening block, the sealing performance of the thermocouple mounting hole is guaranteed, the flange plate and the mounting hole are mounted together through the bolt, the sealing performance and the service life of the thermocouple are improved, and cost investment is saved.
Claims (6)
1. An air-blown thermocouple, characterized in that: the temperature-sensing device comprises a junction box (1), wherein a blowing sleeve (2) is assembled at the bottom of the junction box (1), a protection sleeve (3) is assembled at the bottom of the blowing sleeve (2), a flange plate (4) and a fastening block (6) are respectively assembled on the protection sleeve (3), the fastening block (6) is positioned at the bottom of the flange plate (4), the upper surface of the flange plate (4) is connected with one end of a reinforcing rib (5), the other end of the reinforcing rib (5) is fixedly connected with the protection sleeve (3), a sealing check ring (7) is assembled on the outer surface of the fastening block (6), a temperature-sensing element (8) is fixedly connected at the bottom of the protection sleeve (3), a dustproof cover (9) is assembled on the junction box (1) through threads, a fixed connecting block (10) is arranged on the dustproof cover (9), a temperature sensor (11) is assembled in the junction box (1), and the temperature sensor (11) is fixedly installed on the inner wall, the input end of the temperature sensor (11) is connected with one end of the temperature sensing element (8) through a lead (15), and the output end of the temperature sensor (11) is connected with a thermometer pin (16).
2. An air-blown thermocouple according to claim 1, characterised in that: a pin sleeve (13) is assembled on one side of the junction box (1), a junction block (14) is fixedly installed on the upper portion of the pin sleeve (13), and a connection chain can be fixedly connected between the junction block (14) and the connection block (10).
3. An air-blown thermocouple according to claim 2, characterised in that: the thermometer pin (16) partially penetrates the pin sleeve (13).
4. An air-blown thermocouple according to claim 1, characterised in that: the air blowing sleeve (2) is provided with an air inlet (18) and an air outlet (19), a partition plate (20) is fixed on the inner wall of the air blowing sleeve (2), the partition plate (20) is provided with a through hole, and the partition plate (20) is located between the air inlet (18) and the air outlet (19).
5. An air-blown thermocouple according to claim 4, characterised in that: the air inlet (18) and the air outlet (19) can be in threaded fit with sealing covers.
6. An air-blown thermocouple according to claim 1, characterised in that: a plurality of threaded holes (17) are formed in the flange plate (4), and bolts can be assembled in the threaded holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996352.4U CN212903620U (en) | 2020-09-14 | 2020-09-14 | Air blowing type thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996352.4U CN212903620U (en) | 2020-09-14 | 2020-09-14 | Air blowing type thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212903620U true CN212903620U (en) | 2021-04-06 |
Family
ID=75257381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021996352.4U Active CN212903620U (en) | 2020-09-14 | 2020-09-14 | Air blowing type thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212903620U (en) |
-
2020
- 2020-09-14 CN CN202021996352.4U patent/CN212903620U/en active Active
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