CN213364057U - Armored thermocouple suitable for pipeline - Google Patents
Armored thermocouple suitable for pipeline Download PDFInfo
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- CN213364057U CN213364057U CN202022621491.5U CN202022621491U CN213364057U CN 213364057 U CN213364057 U CN 213364057U CN 202022621491 U CN202022621491 U CN 202022621491U CN 213364057 U CN213364057 U CN 213364057U
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- thermocouple
- sleeve
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- bushing
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Abstract
The utility model discloses an armored thermocouple suitable for a pipeline, which comprises a thermocouple; the external cover is sleeved on the detection part of the thermocouple in a sleeved mode, a gap is reserved between the external cover and the detection part of the thermocouple, and the external cover is in a truncated cone shape; the diameter of the external cover is reduced along with the distance from the tail end of the thermocouple; a fixing plate disposed on the thermocouple; one end of the sleeve can be inserted into the pipeline, and the inner diameter of the sleeve is reduced along with the reduction of the distance from the axis of the pipeline; the bushing is arranged in the sleeve, and the heat-insulating outer cover is sleeved in the bushing; the inner surface of the sleeve on the outer surface of the bushing is pressed and sealed; the inner surface of the bushing and the outer surface of the external cover are sealed in a squeezing mode; and the connecting plate is arranged on the sleeve and is connected with the fixing plate through a bolt. The utility model discloses a select for use the bush of different models can realize the temperature of the different degree of depth in the same thermocouple detection pipeline.
Description
Technical Field
The utility model relates to a check out test set field, concretely relates to armor thermocouple suitable for pipeline.
Background
The thermocouple is a common temperature measuring element in a temperature measuring instrument, can directly measure temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument.
The material of pipeline transportation because its distance from the pipeline wall is different to have certain temperature difference, consequently need carry out temperature measurement to central part and marginal part in the pipeline, and conventional thermocouple can only detect the temperature of fixed position in the pipeline, when detecting different regional temperatures, needs use the thermocouple of different models, leads to needs coordination processing such as purchase, maintenance, data processing transmission, increases the work complexity.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims at providing an armor thermocouple suitable for the pipeline, can realize the temperature of the different degree of depth in same thermocouple detection pipeline through the bush of chooseing for use different models.
The purpose of the utility model is realized through such technical scheme:
sheathed thermocouples suitable for use in pipes, including,
a thermocouple;
the external cover is sleeved on the detection part of the thermocouple in a sleeved mode, a gap is reserved between the external cover and the detection part of the thermocouple, and the external cover is in a truncated cone shape; the diameter of the external cover is reduced along with the distance from the tail end of the thermocouple;
a fixing plate disposed on the thermocouple;
one end of the sleeve can be inserted into the pipeline, and the inner diameter of the sleeve is reduced along with the reduction of the distance from the axis of the pipeline;
the bushing is arranged in the sleeve, and the heat-insulating outer cover is sleeved in the bushing; the inner surface of the sleeve on the outer surface of the bushing is pressed and sealed; the inner surface of the bushing and the outer surface of the external cover are sealed in a squeezing mode;
and the connecting plate is arranged on the sleeve and is connected with the fixing plate through a bolt.
Further, a heat conducting material is filled between the external cover and the thermocouple.
Furthermore, a plurality of convex rings are uniformly arranged on the outer surface of the external cover; the convex ring is vertical to the axis of the external cover;
the inner wall of the sleeve is also provided with a plurality of raised toothed rings; the raised toothed ring is perpendicular to the axis of the sleeve.
Further, the inner and outer surfaces of the bushing are smooth.
Further, the end of the outboard cover transitions smoothly.
Further, the thermocouple welding device also comprises a sealing cover, wherein the opening is downward to buckle the thermocouple; a first magnet is arranged on the inner surface of the bottom in the sealing cover; the top end of the thermocouple is provided with a second magnet; the sealing cover is fixed on the thermocouple through the adsorption of the first magnet and the second magnet.
Furthermore, the outer contour of the seal cover is in a circular truncated cone shape; the edge of the sealing cover is provided with an upturned water guide edge; and a notch is arranged on the water guide edge.
In the above technical scheme of having adopted, the utility model discloses following advantage has:
the outer surface of the thermocouple is provided with the external cover, so that the detection part of the thermocouple is protected, and gas or liquid in the pipeline is prevented from corroding or impacting the detection part. The external cover is arranged to be in an inverted round table shape, an inverted round table shape is arranged in the sleeve, and the external cover can be in seamless fixed connection with the sleeve through the bush. Meanwhile, the depth requirement of the thermocouple in the pipeline can be changed by selecting the bushings with different inner diameters, and the thermocouple can be seamlessly fixedly connected with the sleeve.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the utility model are as follows:
FIG. 1 is a schematic sectional view of a first installation state of a sheathed thermocouple suitable for a pipe in an embodiment.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
FIG. 3 is a schematic sectional view of a second installation state of a sheathed thermocouple suitable for a pipe in an embodiment.
In the figure: 1. a thermocouple; 2. an external cover; 3. a fixing plate; 4. a sleeve; 5. a bushing; 6. connecting plates; 7. a bolt; 8. a thermally conductive material; 9. a sealing cover; 10. a water guide edge; 11. a notch; 12. a pipeline; 13. a first magnet; 14. a second magnet.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b):
as shown in fig. 1-3, a sheathed thermocouple suitable for use in a pipe includes,
a thermocouple 1;
the external cover 2 is sleeved outside the detection part of the thermocouple 1, a gap is reserved between the external cover 2 and the detection part of the thermocouple 1, and the external cover 2 is in a circular truncated cone shape; the diameter of the external housing 2 decreases with the distance from the end of the thermocouple 1;
a fixing plate 3 disposed on the thermocouple 1;
a sleeve 4, one end of which can be inserted in the pipe 12, the inner diameter of the sleeve 4 decreasing with decreasing distance from the axis of the pipe 12;
the bushing 5 is arranged in the sleeve 4, and internally sheathed with the external hot cover 2; the inner surface of the sleeve 4 is pressed and sealed on the outer surface of the lining 5; the inner surface of the bushing 5 is sealed with the outer surface of the outer housing 2 in a pressing way;
and the connecting plate 6 is arranged on the sleeve 4, and the connecting plate 6 is connected with the fixing plate 3 through a bolt 7.
The outer cover 2 is arranged on the outer surface of the thermocouple 1 to protect the detection part of the thermocouple 1 and prevent gas or liquid in the pipeline 12 from corroding or impacting the detection part. The external cover 2 is arranged to be in an inverted round table shape, an inverted round table shape is arranged in the sleeve 4, and the external cover 2 can be fixedly connected with the sleeve 4 in a seamless mode through the bush 5. Meanwhile, the depth requirement of the thermocouple 1 in the pipeline 12 can be changed by selecting the bushings 5 with different inner diameters, and the seamless fixed connection with the sleeve 4 can be realized.
The gap between the external cap 2 and the detection portion of the thermocouple 1 can be used as a deformation safety amount of the external cap 2, that is, the thermocouple 1 is not affected even after the external cap 2 is deformed by an external force.
In this embodiment, a heat conducting material 8 is filled between the external cap 2 and the thermocouple 1.
The heat conduction material 8 is made of high-pressure-resistant heat conduction oil, so that the external cover 2 can bear pressure and heat can be effectively conducted.
In this embodiment, a plurality of protruding rings (not shown in the figure) are uniformly arranged on the outer surface of the external cover 2; the convex ring is vertical to the axis of the external housing 2;
the inner wall of the sleeve 4 is also provided with a plurality of protruding toothed rings (not shown in the figure); said raised ring being perpendicular to the axis of the sleeve 4.
The inner and outer surfaces of the liner 5 are smooth.
Through the extrusion of bellying ring, bellying ring gear and bush 5 for bush 5 surface deformation imbeds between bellying ring and the bellying ring gear, thereby promotes the leakproofness.
In this embodiment, the end of the outboard cover 2 is in smooth transition.
The smooth transition may reduce the impact of the gas or fluid within the duct 12 on the outer cowl 2.
In the embodiment, the thermocouple welding device further comprises a sealing cover 9, wherein the opening is downwards buckled with the thermocouple 1; a first magnet 13 is arranged on the inner surface of the bottom in the sealing cover 9; the top end of the thermocouple 1 is provided with a second magnet 14; the sealing cap 9 is fixed to the thermocouple 1 by attraction between the first magnet 13 and the second magnet 14.
In order to prolong the service life of the device, a sealing cover 9 is arranged to shield rainwater, dust, impurities and the like.
In this embodiment, the outer contour of the seal cover 9 is a circular truncated cone; the edge of the sealing cover 9 is provided with an upturned water guide edge 10; the water guide edge 10 is provided with a gap 11.
In order to reduce the flow of rainwater through the sealing cap 9 into the bushing 4 or the bushing 5, a water guide 10 is provided, which intensively discharges the precipitation from one direction.
The armored thermocouple applicable to the pipe of the present embodiment is used by installing a sleeve 4 on a pipe 12, selecting a bushing 5 having an appropriate inner diameter according to a detection position of a thermocouple 1, inserting the sleeve 4 into the sleeve 4, inserting the thermocouple 1 into the bushing 5, and fastening a fixing plate 3 and a connecting plate 6 using bolts 7, as shown in fig. 1. The sealing cap 9 is fastened to the thermocouple 1.
If it is necessary to adjust the sensing position of the thermocouple 1 so that the thermocouple 1 senses the temperature of the inner wall region of the pipe 12, the bushing 5 having a smaller inner diameter is replaced, so that the outer cap 2 of the thermocouple 1 cannot be inserted deeper into the bushing 5, thereby allowing the sensing portion of the thermocouple 1 to be restricted to the inner wall of the pipe 12, as shown in fig. 3.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. An armored thermocouple suitable for use in a pipe, comprising,
a thermocouple;
the external cover is sleeved on the detection part of the thermocouple in a sleeved mode, a gap is reserved between the external cover and the detection part of the thermocouple, and the external cover is in a truncated cone shape; the diameter of the external cover is reduced along with the distance from the tail end of the thermocouple;
a fixing plate disposed on the thermocouple;
one end of the sleeve can be inserted into the pipeline, and the inner diameter of the sleeve is reduced along with the reduction of the distance from the axis of the pipeline;
the bushing is arranged in the sleeve, and the heat-insulating outer cover is sleeved in the bushing; the inner surface of the sleeve on the outer surface of the bushing is pressed and sealed; the inner surface of the bushing and the outer surface of the external cover are sealed in a squeezing mode;
and the connecting plate is arranged on the sleeve and is connected with the fixing plate through a bolt.
2. The sheathed thermocouple suitable for a pipe according to claim 1, characterized in that a heat conducting material is filled between the external cap and the thermocouple.
3. The armored thermocouple suitable for use in a pipe of claim 1, wherein the outer surface of the outer housing is uniformly provided with a plurality of raised rings; the convex ring is vertical to the axis of the external cover;
the inner wall of the sleeve is also provided with a plurality of raised toothed rings; the raised toothed ring is perpendicular to the axis of the sleeve.
4. A sheathed thermocouple suitable for a pipe according to claim 3, in which the inner and outer surfaces of the sleeve are smooth.
5. The sheathed thermocouple suitable for a pipe according to claim 1, wherein the distal end of the external cap is smoothly transitioned.
6. The sheathed thermocouple suitable for a pipe according to claim 1, further comprising a sealing cap, which is open downwards to retain the thermocouple; a first magnet is arranged on the inner surface of the bottom in the sealing cover; the top end of the thermocouple is provided with a second magnet; the sealing cover is fixed on the thermocouple through the adsorption of the first magnet and the second magnet.
7. The sheathed thermocouple suitable for a pipe according to claim 6, wherein the outer profile of the sealing cap is frustoconical; the edge of the sealing cover is provided with an upturned water guide edge; and a notch is arranged on the water guide edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621491.5U CN213364057U (en) | 2020-11-12 | 2020-11-12 | Armored thermocouple suitable for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621491.5U CN213364057U (en) | 2020-11-12 | 2020-11-12 | Armored thermocouple suitable for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364057U true CN213364057U (en) | 2021-06-04 |
Family
ID=76135047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022621491.5U Active CN213364057U (en) | 2020-11-12 | 2020-11-12 | Armored thermocouple suitable for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364057U (en) |
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2020
- 2020-11-12 CN CN202022621491.5U patent/CN213364057U/en active Active
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