CN213041404U - High-temperature-resistant thermocouple - Google Patents
High-temperature-resistant thermocouple Download PDFInfo
- Publication number
- CN213041404U CN213041404U CN202022168075.4U CN202022168075U CN213041404U CN 213041404 U CN213041404 U CN 213041404U CN 202022168075 U CN202022168075 U CN 202022168075U CN 213041404 U CN213041404 U CN 213041404U
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- CN
- China
- Prior art keywords
- sleeve
- insulating protective
- insulating
- protective sleeve
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 238000005253 cladding Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a high temperature resistant thermocouple, including insulating protective sleeve, insulating protective sleeve's bottom slidable mounting has the porcelain bushing, porcelain bushing's top position is equipped with the flange, insulating protective sleeve's top slidable mounting has the terminal box base, the top fixed mounting of terminal box base has the terminal box, the top of terminal box is equipped with the terminal box top cap, the top surface evenly distributed of terminal box top cap has two screw bases, screw base's top all is equipped with two set screw, the inside that the porcelain bushing is close to the top is equipped with the screw hole, the screw hole runs through the inside surface that extends to insulating protective sleeve inside pipe inner wall of the pipe. The utility model discloses a porcelain sleeve pipe makes it can not direct contact high temperature produce the trouble to the cladding of insulating protective casing of device, nevertheless through porcelain sleeve pipe to the heat conduction of protective casing, and the rethread ceramic ring measures the high temperature to the heat conduction of surveying buret and coil.
Description
Technical Field
The utility model relates to a thermocouple manufacturing technical field specifically is a high temperature resistant thermocouple.
Background
With the rapid development of social economy, the demand of people on instruments for measuring temperature is gradually increased, wherein a thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures 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 (a secondary instrument). The appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use.
However, the existing high-temperature resistant thermocouple needs an integral high-temperature resistant material as a foundation and lacks an auxiliary device; therefore, the existing requirements are not met, and a high-temperature resistant thermocouple is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant thermocouple to the high temperature resistant thermocouple who proposes in solving above-mentioned background art needs holistic high temperature resistant material to do the basis, lacks auxiliary device scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature resistant thermocouple comprises an insulating protective sleeve, a porcelain sleeve is slidably arranged at the bottom end of the insulating protective sleeve, a flange is arranged above the porcelain sleeve, a junction box base is slidably arranged at the top end of the insulating protective sleeve, the top end of the junction box base is fixedly provided with a junction box, the top end of the junction box is provided with a junction box top cover, two screw bases are uniformly distributed on the top end surface of the junction box top cover, two fixing screws are arranged at the top ends of the screw bases, the inner part of the porcelain sleeve close to the top end is provided with a threaded hole which penetrates through the inner part of the porcelain sleeve and extends to the surface of the inner wall of the insulating protective sleeve, the insulating protective sleeve is arranged in the bottom end of the insulating protective sleeve, four ceramic rings are arranged on the surface, close to the bottom end, of the insulating protective sleeve, and one end of each ceramic ring is in contact with the outer surface of the insulating sleeve.
Preferably, the top end of the insulating sleeve is fixedly provided with an insulating bead tube, the top end of the insulating bead tube is connected with a connecting tube in a sliding mode, the top end of the connecting tube is provided with a wiring terminal, and the outer side of the connecting tube is provided with a wiring insulating seat.
Preferably, the insulating protective sleeve penetrates through the central position of the bottom end of the junction box base and extends to the inside of the junction box base, a fixed buckle is arranged at the top end of the insulating protective sleeve, and the fixed buckle is clamped into the inner wall of the junction box base.
Preferably, eight threaded holes are uniformly distributed in the surface of the flange, and threaded holes are formed in the surfaces of the two sides of the junction box base.
Preferably, one side of the junction box is slidably connected with a lead-out wire sleeve, a fixing screw is arranged on the surface of one side of the lead-out wire sleeve, and the fixing screw located on the side face of the lead-out wire sleeve is connected with one fixing screw located on the top end of the screw base through a connecting wire rope.
Preferably, a thermocouple measuring tube is arranged inside the insulating sleeve, and a thermocouple coil is arranged outside the thermocouple measuring tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model coats the insulating protective sleeve of the device through the porcelain sleeve, so that the insulating protective sleeve can not directly contact with high temperature to cause failure, but indirectly measures high temperature through the heat conduction of the porcelain sleeve to the protective sleeve and the heat conduction of the ceramic ring to the measuring tube and the coil;
2. the utility model discloses a high temperature resistant bolt on the porcelain sleeve pipe makes the device soak in high temperature object for a long time to its fixed, prevents that the porcelain sleeve pipe from droing to cause the damage to inside.
Drawings
Fig. 1 is a side view of the utility model in its entirety;
fig. 2 is an overall front view of the present invention;
FIG. 3 is a side view of the entire interior of the present invention;
fig. 4 is a schematic structural view of the interior of the porcelain bushing of the present invention.
In the figure: 1. an insulating protective sleeve; 2. a flange; 3. a porcelain bushing; 4. a threaded hole; 5. a terminal block base; 6. a junction box; 7. a lead-out wire sleeve; 8. a terminal box top cover; 9. a screw base; 10. a set screw; 11. connecting a wire rope; 12. an insulating sleeve; 13. a thermocouple measurement tube; 14. a thermocouple coil; 15. a ceramic ring; 16. fixing the buckle; 17. a wiring insulating base; 18. a connecting pipe; 19. a binding post; 20. and (4) insulating the bead tube.
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 4, the present invention provides an embodiment: the utility model provides a high temperature resistant thermocouple, including insulating protective sleeve 1, the bottom slidable mounting of insulating protective sleeve 1 has porcelain sleeve 3, porcelain sleeve 3's top position is equipped with flange 2, insulating protective sleeve 1's top slidable mounting has terminal box base 5, terminal box base 5's top fixed mounting has terminal box 6, terminal box 6's top is equipped with terminal box top cap 8, terminal box top cap 8's top surface evenly distributed has two screw bases 9, screw base 9's top all is equipped with two set screw 10, the inside that porcelain sleeve 3 is close to the top is equipped with screw hole 4, screw hole 4 runs through the surface that the inside of porcelain sleeve 3 extends to insulating protective sleeve 1 inner wall, the inside of insulating protective sleeve 1 bottom is equipped with insulating cover 12, the surface that insulating protective sleeve 1 is close to the bottom is equipped with four ceramic rings 15, the outer surface contact of ceramic ring 15's one end and insulating cover.
Further, an insulating bead tube 20 is fixedly mounted at the top end of the insulating sleeve 12, a connecting tube 18 is slidably connected to the top end of the insulating bead tube 20, a wiring terminal 19 is arranged at the top end of the connecting tube 18, a wiring insulating base 17 is arranged on the outer side of the connecting tube 18, and errors generated during measurement are prevented from being reduced through combined use of insulating components.
Further, insulating protective sleeve 1 runs through the central point of terminal box base 5 bottom and puts the inside that extends to terminal box base 5, and insulating protective sleeve 1's top is equipped with fixed buckle 16, and fixed buckle 16 cards go into the inner wall of terminal box base 5, through the fixed buckle to insulating protective sleeve's fixed, makes it can not take place the obscission on the way of measuring.
Further, eight threaded holes 4 are uniformly distributed on the surface of the flange 2, and threaded holes 4 are formed in the surfaces of the two sides of the terminal box base 5.
Furthermore, one side of the junction box 6 is slidably connected with an outgoing line sleeve 7, a fixing screw 10 is arranged on the surface of one side of the outgoing line sleeve 7, and the fixing screw 10 positioned on the side surface of the outgoing line sleeve 7 is connected with one fixing screw 10 positioned on the top end of the screw base 9 through a connecting wire rope 11.
Further, a thermocouple measuring tube 13 is provided inside the insulating sheath 12, and a thermocouple coil 14 is provided outside the thermocouple measuring tube 13.
The working principle is as follows: when the device is used, the top cover 8 of the junction box is opened firstly, the electric wires of all electronic instruments are connected with the wiring terminal 19 through the lead-out wire sleeve 7, the top cover 8 of the junction box is closed, the device is placed at a designated position, the bottom part of the device is placed in a designated area, after the collar flange 2 is fixed, the waiting temperature is transmitted to the insulating protective sleeve 1 through the ceramic sleeve 3, then is transmitted to the ceramic ring 15 through the insulating protective sleeve 1, and finally is transmitted to the thermocouple measuring tube 13 and the thermocouple coil 14, the data of the electronic instruments are recorded after the temperature reaches the highest value, and the device is taken out.
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. The utility model provides a high temperature resistant thermocouple, includes insulating protective sheath pipe (1), its characterized in that: the bottom of the insulating protective sleeve (1) is slidably mounted with a porcelain sleeve (3), a flange (2) is arranged above the porcelain sleeve (3), a junction box base (5) is slidably mounted at the top end of the insulating protective sleeve (1), a junction box (6) is fixedly mounted at the top end of the junction box base (5), a junction box top cover (8) is arranged at the top end of the junction box (6), two screw bases (9) are uniformly distributed on the surface of the top end of the junction box top cover (8), two fixing screws (10) are arranged at the top ends of the screw bases (9), a threaded hole (4) is formed in the porcelain sleeve (3) close to the top end, the threaded hole (4) penetrates through the inside of the porcelain sleeve (3) and extends to the surface of the inner wall of the insulating protective sleeve (1), and an insulating sleeve (12) is arranged in the bottom end of the insulating protective sleeve (, the surface of the insulating protective sleeve (1) close to the bottom end is provided with four ceramic rings (15), and one end of each ceramic ring (15) is in contact with the outer surface of the insulating sleeve (12).
2. A high temperature resistant thermocouple according to claim 1, wherein: the top fixed mounting of insulating cover (12) has insulating pearl pipe (20), the top sliding connection of insulating pearl pipe (20) has connecting pipe (18), the top of connecting pipe (18) is equipped with terminal (19), the outside of connecting pipe (18) is equipped with wiring insulating seat (17).
3. A high temperature resistant thermocouple according to claim 1, wherein: insulating protective sleeve (1) run through the inside that central point put and extend to terminal box base (5) bottom, the top of insulating protective sleeve (1) is equipped with fixed buckle (16), the inner wall of terminal box base (5) is gone into to fixed buckle (16) card.
4. A high temperature resistant thermocouple according to claim 1, wherein: eight threaded holes (4) are uniformly distributed in the surface of the flange (2), and threaded holes (4) are formed in the surfaces of the two sides of the junction box base (5).
5. A high temperature resistant thermocouple according to claim 1, wherein: one side of the junction box (6) is connected with an outgoing line sleeve (7) in a sliding mode, a fixing screw (10) is arranged on the surface of one side of the outgoing line sleeve (7), and the fixing screw (10) located on the side face of the outgoing line sleeve (7) is connected with a fixing screw (10) located on the top end of a screw base (9) through a connecting line rope (11).
6. A high temperature resistant thermocouple according to claim 1, wherein: the inside of insulating cover (12) is equipped with thermocouple survey buret (13), the outside of thermocouple survey buret (13) is equipped with thermocouple coil (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168075.4U CN213041404U (en) | 2020-09-28 | 2020-09-28 | High-temperature-resistant thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168075.4U CN213041404U (en) | 2020-09-28 | 2020-09-28 | High-temperature-resistant thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213041404U true CN213041404U (en) | 2021-04-23 |
Family
ID=75535536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022168075.4U Expired - Fee Related CN213041404U (en) | 2020-09-28 | 2020-09-28 | High-temperature-resistant thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213041404U (en) |
-
2020
- 2020-09-28 CN CN202022168075.4U patent/CN213041404U/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: 20210423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |