CN212871528U - High-voltage-resistant thermocouple - Google Patents
High-voltage-resistant thermocouple Download PDFInfo
- Publication number
- CN212871528U CN212871528U CN202022168073.5U CN202022168073U CN212871528U CN 212871528 U CN212871528 U CN 212871528U CN 202022168073 U CN202022168073 U CN 202022168073U CN 212871528 U CN212871528 U CN 212871528U
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- China
- Prior art keywords
- junction box
- protective sleeve
- protective case
- high pressure
- pressure protective
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- 230000001681 protective effect Effects 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Abstract
The utility model discloses a high pressure resistant thermocouple, including high pressure protective case, protective case is installed to high pressure protective case's upper end card income, coupling nut is installed to protective case's up end screw thread, coupling nut's upper end fixed mounting has the terminal box base, the terminal box is installed to the upper end fixed welding of terminal box base, fixed welding installs the lead-out wire sleeve pipe on the terminal surface of terminal box one side, the upper end fixed mounting of terminal box has the terminal box cover, the middle fixed welding of department of terminal box cover upper end is installed and is twisted the handle. The utility model discloses a fill heat-conducting liquid in high pressure protective case's inner chamber, heat-conducting liquid has good heat conductivity, can keep the same temperature with the measured object, and at this moment the thermocouple working column can direct measurement heat-conducting liquid the temperature can, is favorable to strengthening the anti high-pressure guard action of high pressure protective case to the thermocouple working column.
Description
Technical Field
The utility model relates to a galvanic couple technical field specifically is a high pressure resistant thermocouple.
Background
With the rapid development of social and economic, thermocouples are commonly used in temperature measuring instruments in industrial production, which can directly measure temperature, convert temperature signals into thermoelectromotive force signals, and convert the thermoelectromotive force signals into the temperature of a measured medium through an electric instrument.
However, the existing thermocouple does not have certain high-pressure resistance, can not be replaced in time when some parts are damaged, is complex in the installation and disassembly processes, and is not beneficial to continuous chemical production, so that the existing requirement is not met, and the high-pressure resistant thermocouple is provided for the existing thermocouple.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure resistant thermocouple to what provide in solving above-mentioned background does not have certain anti high pressure nature, can not in time change spare part, installation and the comparatively complicated scheduling problem of disassembling process.
In order to achieve the above object, the utility model provides a following technical scheme: a high-voltage-resistant thermocouple comprises a high-voltage protective sleeve, wherein the upper end of the high-voltage protective sleeve is clamped and installed with the protective sleeve, the upper end face of the protective sleeve is provided with a connecting nut in a threaded manner, the upper end of the connecting nut is fixedly provided with a junction box base, the upper end of the junction box base is fixedly welded and installed with a junction box, the end face of one side of the junction box is fixedly welded and installed with a lead-out wire sleeve, the upper end of the junction box is fixedly provided with a junction box cover, the middle of the upper end of the junction box cover is fixedly welded and installed with a twisting handle, the upper ends of two sides of the junction box cover are uniformly and fixedly installed with hexagon bolts, the middle of the lower end of the protective sleeve is fixedly welded and installed with a thermocouple working column, the two sides of;
the high-voltage protection sleeve is characterized in that connecting round tables are uniformly and fixedly welded on two sides of the upper end of the high-voltage protection sleeve, a spring cavity is arranged in the inner wall of the middle of each connecting round table, a button cap is movably arranged in the middle of one side of each spring cavity, a movable plate is fixedly welded on the end surface of one side of each button cap, springs are welded on the upper and lower ends of one side of each movable plate, a support pillar is fixedly welded and arranged in the middle of each spring, and a clamping pin groove is formed in the middle of one side of each support pillar;
the utility model discloses a high pressure protective case, including high pressure protective case, fixed rib plate, installation round platform, cylindrical pin groove, cylindric lock, square round pin, fixed rib plate, installation round platform, installation round pin groove, cylindrical pin's inboard is located and transversely runs through to install square round pin.
Preferably, the junction box cover is fixedly connected with the junction box through two hexagonal bolt threads, and the junction box base is fixedly connected with the protective sleeve through a connecting nut thread.
Preferably, the middle of the movable plate is fixedly welded with the top column, and the movable plate and the bottom end of the spring cavity are fixedly welded and installed through a spring.
Preferably, the two sides of the protective sleeve are connected with the bayonet pins through flat springs in a welding mode, and a thermocouple working column is fixedly installed between the two flat springs.
Preferably, a separation plate is arranged on the inner wall of the junction of the upper end of the high-pressure protective sleeve and the lower end of the connecting circular truncated cone, and heat-conducting liquid is filled in the inner cavity of the high-pressure protective sleeve.
Preferably, the measuring pipe is fixedly installed below the high-pressure protective sleeve, the installation round platforms are uniformly fixedly welded and installed on two sides of the middle of the measuring pipe, and the connecting rib plates are uniformly fixedly welded and installed on the end faces of two sides of the high-pressure protective sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a both sides in high pressure protective case upper end set up the erection joint round platform, set up the spring chamber in connecting the round platform to installation button cap, fly leaf, spring and fore-set in the spring chamber, constitute the reset spring button, the flat spring of both sides fixed mounting at the protective case lower extreme, utilize flat spring's elasticity can insert protective case and thermocouple working column in the middle of the high pressure protective case, press the fore-set that the button cap passes through on the reset spring button again and promote the bayonet lock, can extract high pressure protective case with protective case and thermocouple working column.
2. The utility model discloses a fill heat-conducting liquid in high pressure protective case's inner chamber, heat-conducting liquid has good heat conductivity, can keep the same temperature with the measured object, and at this moment the thermocouple working column can direct measurement heat-conducting liquid the temperature can, is favorable to strengthening the anti high-pressure guard action of high pressure protective case to the thermocouple working column.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a cross-sectional view taken at a in fig. 1 according to the present invention;
fig. 3 is a cross-sectional view of the present invention at B in fig. 1.
In the figure: 1. twisting a handle; 2. a hexagon bolt; 3. a terminal box cover; 4. a terminal block base; 5. a connecting nut; 6. protecting the sleeve; 7. a high-pressure protective sleeve; 8. a lead-out wire sleeve; 9. a thermocouple working column; 10. connecting rib plates; 11. a circular truncated cone is connected; 12. a spring cavity; 13. a button cap; 14. a movable plate; 15. a spring; 16. a top pillar; 17. a latch slot; 18. a flat spring; 19. a bayonet lock; 20. a separator plate; 21. a heat conducting liquid; 22. a cylindrical pin; 23. fixing the rib plate; 24. a square pin; 25. a circular truncated cone is installed; 26. a cylindrical pin slot; 27. a metering tube; 28. a junction box.
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.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a high-voltage-resistant thermocouple comprises a high-voltage protective sleeve 7, wherein the upper end of the high-voltage protective sleeve 7 is clamped and installed with a protective sleeve 6, a connecting nut 5 is installed on the upper end face of the protective sleeve 6 in a threaded manner, a junction box base 4 is fixedly installed at the upper end of the connecting nut 5, a junction box 28 is fixedly welded and installed at the upper end of the junction box base 4, a lead-out wire sleeve 8 is fixedly welded and installed on the end face of one side of the junction box 28, a junction box cover 3 is fixedly installed at the upper end of the junction box 28, a screwing handle 1 is fixedly welded and installed at the middle of the upper end of the junction box cover 3, hexagonal bolts 2 are uniformly fixedly installed at the upper ends of two sides of the junction box cover 3, a thermocouple working column 9 is fixedly welded and installed at the middle of the lower; the connecting round tables 11 are uniformly and fixedly welded on two sides of the upper end of the high-pressure protective sleeve 7, a spring cavity 12 is arranged in the inner wall of the middle of the connecting round tables 11, a button cap 13 is movably arranged in the middle of one side of the spring cavity 12, a movable plate 14 is fixedly welded on the end surface of one side of the button cap 13, springs 15 are welded on the upper and lower ends of one side of the movable plate 14, supporting columns 16 are fixedly welded on the middle of the springs 15, and clamping pin grooves 17 are arranged in the middle of one side of the supporting columns 16; the middle parts of two sides of the high-pressure protective sleeve 7 are uniformly and fixedly welded with fixing rib plates 23, the lower sides of the fixing rib plates 23 are fixedly provided with installation round tables 25, the middle parts of the installation round tables 25 are provided with cylindrical pin grooves 26, the inner sides of the cylindrical pin grooves 26 are provided with cylindrical pins 22 in a penetrating mode, and the middle parts of the cylindrical pins 22 are provided with square pins 24 in a transverse penetrating mode.
Further, through two hexagon bolts 2 screw thread fixed connection between terminal box cover 3 and the terminal box 28, through coupling nut 5 screw thread fixed connection between terminal box base 4 and the protective case 6, hexagon bolt 2 and coupling nut 5 are favorable to the connection and the fixed of each part.
Further, a top column 16 is fixedly welded and installed in the middle of the movable plate 14, the movable plate 14 and the bottom end of the spring cavity 12 are fixedly welded and installed through a spring 15, and the spring 15 has an important resetting function.
Furthermore, the two sides of the protective sleeve 6 are connected with the bayonet 19 through the flat springs 18 in a welding mode, the thermocouple working column 9 is fixedly installed between the two flat springs 18, and the bayonet 19 can be deformed and clamped and reset by the flat springs 18.
Furthermore, the inner wall of the junction between the upper end of the high-pressure protective sleeve 7 and the lower end of the connecting circular truncated cone 11 is provided with a separation plate 20, the inner cavity of the high-pressure protective sleeve 7 is filled with heat-conducting liquid 21, and the heat-conducting liquid 21 can conduct the heat of the detected liquid, thereby being beneficial to the separation and temperature measurement of the thermocouple.
Further, the below fixed mounting of high pressure protective case 7 has metering tube 27, the even fixed welding in both sides of department installs installation round platform 25 in the middle of metering tube 27, even fixed welding installs connection floor 10 on the terminal surface of high pressure protective case 7 both sides, and installation round platform 25 makes things convenient for the installation of high pressure protective case 7, and connection floor 10 is favorable to being connected between metering tube 27 and the person in charge.
The working principle is as follows: when the thermocouple working column is used, the protective sleeve 6 and the thermocouple working column 9 are inserted into the high-pressure protective sleeve 7, the bayonet 19 can be clamped into the bayonet groove 17 by utilizing the elastic force of the flat spring 18 on the protective sleeve 6, the button cap 13 is pressed according to the elastic force of the spring 15 in the spring cavity 12, the button cap 13 pushes the top column 16 to push the bayonet 19 out of the bayonet groove 17, and the spring 15 immediately restores the button cap 13; the inner cavity of the high-pressure protective sleeve 7 is filled with heat-conducting liquid 21, the heat-conducting liquid 21 has excellent heat conductivity and can keep the same temperature as the measured object, and at the moment, the thermocouple working column 9 can directly measure the temperature of the heat-conducting liquid 21, so that the high-pressure protective effect of the high-pressure protective sleeve 7 on the thermocouple working column 9 can be enhanced.
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.
Claims (6)
1. A high-pressure resistant thermocouple comprises a high-pressure protective sleeve (7), and is characterized in that: protective sleeve (6) is clamped and installed at the upper end of the high-voltage protective sleeve (7), a connecting nut (5) is installed at the upper end face of the protective sleeve (6) in a threaded mode, a junction box base (4) is fixedly installed at the upper end of the connecting nut (5), a junction box (28) is installed at the upper end of the junction box base (4) in a fixed welding mode, a lead-out wire sleeve (8) is installed at the end face of one side of the junction box (28) in a fixed welding mode, a junction box cover (3) is fixedly installed at the upper end of the junction box (28), a screwing handle (1) is installed at the middle of the upper end of the junction box cover (3), hexagonal bolts (2) are evenly and fixedly installed at the upper ends of two sides of the junction box cover (3), a thermocouple working column (9) is installed at the middle of the lower end of the protective sleeve (6) in a fixed, a bayonet (19) is fixedly welded at the lower end of the flat spring (18);
the high-pressure protective sleeve is characterized in that connecting round tables (11) are uniformly and fixedly welded on two sides of the upper end of the high-pressure protective sleeve (7), a spring cavity (12) is formed in the inner wall of the middle of the connecting round table (11), a button cap (13) is movably mounted in the middle of one side of the spring cavity (12), a movable plate (14) is fixedly welded on the end surface of one side of the button cap (13), springs (15) are welded on the upper and lower ends of one side of the movable plate (14), ejection columns (16) are fixedly welded in the middle of the springs (15), and pin clamping grooves (17) are formed in the middle of one side of the ejection columns (16);
the utility model discloses a high pressure protective case, including high pressure protective case (7), the even fixed welding of centre department of high pressure protective case (7) both sides installs fixed floor (23), the downside fixed mounting of fixed floor (23) has installation round platform (25), the centre department of installation round platform (25) is provided with cylindric lock groove (26), cylindric lock (22) are installed in the inboard of cylindric lock groove (26) through running through, the centre department of cylindric lock (22) transversely runs through and installs square round pin (24).
2. A high-pressure resistant thermocouple according to claim 1, wherein: the junction box is characterized in that the junction box cover (3) is fixedly connected with the junction box (28) through two hexagonal bolts (2) in a threaded mode, and the junction box base (4) is fixedly connected with the protective sleeve (6) through a connecting nut (5) in a threaded mode.
3. A high-pressure resistant thermocouple according to claim 1, wherein: the middle of the movable plate (14) is fixedly welded with a top column (16), and the movable plate (14) and the bottom end of the spring cavity (12) are fixedly welded and installed through a spring (15).
4. A high-pressure resistant thermocouple according to claim 1, wherein: the two sides of the protective sleeve (6) are connected with the bayonet (19) through flat springs (18) in a welding mode, and a thermocouple working column (9) is fixedly installed between the two flat springs (18).
5. A high-pressure resistant thermocouple according to claim 1, wherein: the inner wall of the junction of the upper end of the high-pressure protective sleeve (7) and the lower end of the connecting circular truncated cone (11) is provided with a separation plate (20), and the inner cavity of the high-pressure protective sleeve (7) is filled with heat-conducting liquid (21).
6. A high-pressure resistant thermocouple according to claim 1, wherein: the utility model discloses a high pressure protective case, including high pressure protective case (7), the below fixed mounting of high pressure protective case (7) has metering tube (27), the even fixed welding in both sides of department installs installation round platform (25) in the middle of metering tube (27), even fixed welding installs connection floor (10) on the terminal surface of high pressure protective case (7) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168073.5U CN212871528U (en) | 2020-09-28 | 2020-09-28 | High-voltage-resistant thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168073.5U CN212871528U (en) | 2020-09-28 | 2020-09-28 | High-voltage-resistant thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212871528U true CN212871528U (en) | 2021-04-02 |
Family
ID=75198370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022168073.5U Expired - Fee Related CN212871528U (en) | 2020-09-28 | 2020-09-28 | High-voltage-resistant thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212871528U (en) |
-
2020
- 2020-09-28 CN CN202022168073.5U patent/CN212871528U/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 |
Granted publication date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |