CN216593841U - Novel thermocouple protective sleeve - Google Patents
Novel thermocouple protective sleeve Download PDFInfo
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- CN216593841U CN216593841U CN202122021101.5U CN202122021101U CN216593841U CN 216593841 U CN216593841 U CN 216593841U CN 202122021101 U CN202122021101 U CN 202122021101U CN 216593841 U CN216593841 U CN 216593841U
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- protective sleeve
- tube
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- protection sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a novel thermocouple protection sleeve, which comprises a wiring assembly, a thermocouple protection sleeve and a thermocouple protection sleeve, wherein the wiring assembly comprises a junction box and an armored thermocouple wire electrically connected with the junction box; the protective sleeve assembly comprises a cold end protective sleeve and a hot end protective sleeve which are of hollow cylindrical structures, and connecting flanges which are matched with the lower end of the cold end protective sleeve and the upper end of the hot end protective sleeve; the temperature measuring tube is easy to disassemble and adjust the length, and can be suitable for gasifiers of the same type, so that the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of thermocouples, in particular to a novel thermocouple protection sleeve.
Background
The 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 shapes of various thermocouples are very different according to needs, but the basic structures of the thermocouples are basically the same, and the thermocouples are generally composed of main parts such as thermodes, protective sleeves, junction boxes and the like, and are generally matched with display instruments, recording instruments and electronic regulators for use. Traditional thermocouple protective case does not possess the multifunctionality, for example oxidation-reduction reaction easily takes place, and can't accomplish inside complete sealing between protective case and the temperature measurement element, in case protective case damages the back, harmful gas in the stove still can leak out from the clearance between protective case and the temperature measurement element, polluted environment and harm field operation staff's safety, and traditional thermocouple protective case length can't adjust after stretching into the gasifier, can lead to the inaccurate or protective case loss of temperature measurement serious, consequently need dispose different thermocouples to different gasifiers, and is with high costs.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the conventional thermocouple protection sleeve.
Therefore, the utility model aims to solve the problems that the length of the thermocouple protection sleeve can be adjusted after the thermocouple protection sleeve extends into the gasification furnace and harmful gas is prevented from leaking.
In order to solve the technical problems, the utility model provides the following technical scheme: the novel thermocouple protection sleeve comprises a wiring assembly, a thermocouple protection sleeve and a thermocouple protection sleeve, wherein the wiring assembly comprises a junction box and an armored thermocouple wire electrically connected with the junction box; the protective sleeve assembly comprises a cold end protective sleeve and a hot end protective sleeve which are of hollow cylinder structures, and a connecting flange which is matched with the lower end of the cold end protective sleeve and the upper end of the hot end protective sleeve.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: threaded hole is seted up in the flange middle part, the lower extreme of cold junction protective case set up in flange's top middle part fixedly.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the hot end protective sleeve comprises an adjusting pipe and a temperature measuring pipe.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the surface of regulating pipe be provided with the first external screw thread of screw hole looks adaptation, the surface threaded connection of regulating pipe has the fastener, the fixed locating part that is provided with of surface lower extreme of regulating pipe, the fastener is the hexagon nut, the locating part is the hexagon structure.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the external diameter of regulating pipe is less than the internal diameter of cold junction protective case, just the inside bottom of regulating pipe is provided with the internal thread.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the temperature measuring pipe comprises a graphite silicon carbide pipe and a stainless steel pipe, the graphite silicon carbide pipe is in a long pipe shape with an upper opening and a lower closed part, the stainless steel pipe is arranged in the graphite silicon carbide pipe, and an adsorption layer is arranged between the graphite silicon carbide pipe and the stainless steel pipe.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the inside and outside both sides of adsorbed layer respectively with nonrust steel pipe and graphite carborundum pipe fixed connection, the material of adsorbed layer adopts tombarthite.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the upper end of the stainless steel pipe is provided with a second external thread matched with the internal thread at the bottom end of the adjusting pipe, and the upper end of the stainless steel pipe is in threaded fit with the internal thread.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: one end of the armored thermocouple wire penetrates through the cold end protective sleeve and extends into the stainless steel tube.
As a preferable aspect of the novel thermocouple protection sleeve of the present invention, wherein: the top of cold junction protective case with be connected through the universal pipe between the bottom of terminal box, be located the cold junction protective case with armoured thermocouple wire between the terminal box set up in the universal pipe.
The utility model has the beneficial effects that: the hot end protective sleeve is easy to wear, comprises the adjusting pipe and the temperature measuring pipe, the adjusting pipe is in threaded connection with the middle of the connecting flange, the adjusting pipe is easy to detach and convenient to adjust the length, and the temperature measuring pipe is internally provided with the rare earth adsorption layer which has the functions of adsorbing harmful gases and preventing the harmful gases from leaking.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a visual diagram of the novel thermocouple protection sleeve.
Fig. 2 is a bottom view of a connecting flange in the novel thermocouple protection sleeve.
Fig. 3 is a structural view of the novel thermocouple protection sleeve with the temperature measuring tube removed.
Fig. 4 is a visual diagram of a temperature measuring tube in the novel thermocouple protective sleeve.
FIG. 5 is a sectional view of a temperature measuring tube in the novel thermocouple protection sleeve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a novel thermocouple protection sleeve, which includes a wiring assembly 100 and a protection sleeve assembly 200, an armored thermocouple wire 102 is connected between the wiring assembly 100 and the protection sleeve assembly 200, the protection sleeve assembly 200 is easy to detach and can also adjust the length of the protection sleeve extending into a gasifier, and a rare earth adsorption layer is disposed in the protection sleeve extending into the gasifier, so as to have a function of adsorbing harmful gases.
Specifically, the wiring assembly 100 includes a terminal box 101 and an armored thermocouple wire 102 electrically connected to the terminal box 101, wherein one end of the armored thermocouple wire 102 is used for measuring the temperature in the gasifier, and the temperature signal is transmitted to the terminal box 101 through the armored thermocouple wire 102.
When using, arrange hot junction protective sleeve 202 in the gasifier that needs the temperature measurement, hot junction protective sleeve 202 passes through flange 203 and is fixed in the edge of gasifier, cold junction protective sheath 201's service environment is better, need not often to change, so cold junction protective sheath 201 needn't adopt wear-resisting high temperature resistant material, use cost has been reduced, the one end of armor thermocouple wire 102 is used for measuring the temperature in the gasifier, temperature signal transmits for terminal box 101 through armor thermocouple wire 102.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present invention is based on the above embodiment.
Specifically, threaded hole 203a is seted up at flange 203 middle part, and cold junction protective sleeve 201's lower extreme is fixed to be set up in flange 203's top middle part, and it is better to set up the cold junction protective sleeve 201 service environment in flange 203 top middle part, need not often to change, so cold junction protective sleeve 201 needn't adopt wear-resisting high temperature resistant material, has reduced use cost.
Preferably, the hot end protection sleeve 202 comprises an adjustment tube 202a and a temperature tube 202 b.
Preferably, the outer surface of the adjusting tube 202a is provided with a first external thread adapted to the threaded hole 203a, the outer surface of the adjusting tube 202a is in threaded connection with a fastening member 202a-1, the lower end of the outer surface of the adjusting tube 202a is fixedly provided with a limiting member 202a-2, the fastening member 202a-1 is a hexagonal nut, the limiting member 202a-2 is in a hexagonal structure, the adjusting tube 202a is screwed into the cold end protective sleeve 201 at the upper end of the connecting flange 203 by holding the adjusting tube 202a with a hand or clamping the limiting member 202a-2 with a clamp, so as to adjust the length between the adjusting tube 202a and the connecting flange 203, thereby controlling the depth of the cold end protective sleeve 201 extending into the gasifier, avoiding inaccurate temperature measurement or loss of the protective sleeve, and only needing to adjust the screwing depth of the adjusting tube 202a, so that the thermocouple protective sleeve can be suitable for gasifiers of different models, therefore, the cost is reduced, and after the screwing-in depth of the adjusting pipe 202a is determined, the fastening piece 202a-1 is rotated to be tightly attached to the lower end face of the connecting flange 203, so that the position of the adjusting pipe 202a is fixed.
Preferably, the outer diameter of the adjusting tube 202a is smaller than the inner diameter of the cold end protecting sleeve 201, and the inner bottom end of the adjusting tube 202a is provided with an internal thread 202a-3, so that the adjusting tube 202a can be screwed into the cold end protecting sleeve 201 when the outer diameter of the adjusting tube 202a is smaller than the inner diameter of the cold end protecting sleeve 201.
When in use, the hot end protective sleeve 202 is arranged in the gasification furnace needing temperature measurement, the hot end protective sleeve 202 is fixed at the edge of the gasification furnace through the connecting flange 203, the cold end protective sleeve 201 has better use environment and does not need to be frequently replaced, so the cold end protective sleeve 201 does not need to adopt wear-resistant and high temperature-resistant materials, the use cost is reduced, the hot end protective sleeve 202 comprises an adjusting pipe 202a and a temperature measuring pipe 202, because the outer diameter of the adjusting pipe 202a is smaller than the inner diameter of the cold end protective sleeve 201, the adjusting pipe 202a is screwed into the cold end protective sleeve 201 at the upper end of the connecting flange 203 by holding the adjusting pipe 202a by hand or clamping the limiting part 202a-2 by a clamp, the length between the adjusting pipe 202a and the connecting flange 203 is further adjusted, thereby the depth of the cold end protective sleeve 201 extending into the gasification furnace is controlled, the loss of temperature measurement or the protective sleeve is avoided, and only the screwing depth of the adjusting pipe 202a is required to be adjusted, the thermocouple protection sleeve can be suitable for gasification furnaces of different models, so that the cost is reduced, after the screwing-in depth of the adjusting pipe 202a is determined, the fastening piece 202a-1 is rotated to be tightly attached to the lower end face of the connecting flange 203 to fix the position of the adjusting pipe 202a, one end of the armored thermocouple wire 102 is used for measuring the temperature in the gasification furnace, and a temperature signal is transmitted to the junction box 101 through the armored thermocouple wire 102.
Example 3
Referring to FIGS. 1-5, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the temperature measuring tube 202b comprises a graphite silicon carbide tube 202b-1 and a stainless steel tube 202b-2, the graphite silicon carbide tube 202b-1 is in a long tube shape with an upper opening and a lower closed portion, the stainless steel tube 202b-2 is arranged inside the graphite silicon carbide tube 202b-1, an adsorption layer 202b-3 is arranged between the graphite silicon carbide tube 202b-1 and the stainless steel tube 202b-2, the graphite silicon carbide tube 202b-1 is made of graphite silicon carbide, has high temperature resistance and heat conduction performance, can accurately measure the actual temperature in the gasification furnace, and can enhance the strength and toughness of the temperature measuring tube 202b by using the stainless steel tube 202b-2 inside, and is not easy to break in the using process.
Preferably, the inner side and the outer side of the adsorption layer 202b-3 are fixedly connected with the stainless steel tube 202b-2 and the graphite silicon carbide tube 202b-1 respectively, the adsorption layer 202b-3 is made of rare earth, and the rare earth has the functions of filtering and adsorbing harmful gas, so that the harmful gas is prevented from leaking after the graphite silicon carbide tube 202b-1 is damaged, and the safety of the environment and field operation staff is protected.
Preferably, the upper end of the stainless steel tube 202b-2 is provided with a second external thread adapted to the internal thread 202a-3 at the bottom end of the adjusting tube 202a, and the upper end of the stainless steel tube 202b-2 is in threaded fit with the internal thread 202a-3, so that when the temperature measuring tube 202b is damaged, the temperature measuring tube 202b is only required to be rotated and separated from the adjusting tube 202a, and the temperature measuring tube 202b is easy to replace.
Preferably, one end of the sheathed thermocouple wire 102 penetrates through the cold end protection sleeve 201 and extends into the stainless steel pipe 202b-2, the sheathed thermocouple wire 102 in the stainless steel pipe 202b-2 is used for measuring the temperature in the gasifier, and the temperature signal is transmitted to the junction box 101 through the sheathed thermocouple wire 102.
Preferably, the top end of the cold end protection sleeve 201 is connected with the bottom end of the junction box 101 through a universal pipe 204, the armored thermocouple wire 102 located between the cold end protection sleeve 201 and the junction box 101 is arranged in the universal pipe 204, and the universal pipe 204 facilitates the placement of thermocouples in different spaces.
When in use, the hot end protective sleeve 202 is arranged in the gasification furnace needing temperature measurement, the hot end protective sleeve 202 is fixed at the edge of the gasification furnace through the connecting flange 203, the cold end protective sleeve 201 has better use environment and does not need to be frequently replaced, so the cold end protective sleeve 201 does not need to adopt wear-resistant and high temperature-resistant materials, the use cost is reduced, the hot end protective sleeve 202 comprises an adjusting pipe 202a and a temperature measuring pipe 202, because the outer diameter of the adjusting pipe 202a is smaller than the inner diameter of the cold end protective sleeve 201, the adjusting pipe 202a is screwed into the cold end protective sleeve 201 at the upper end of the connecting flange 203 by holding the adjusting pipe 202a by hand or clamping the limiting part 202a-2 by a clamp, the length between the adjusting pipe 202a and the connecting flange 203 is further adjusted, thereby the depth of the cold end protective sleeve 201 extending into the gasification furnace is controlled, inaccurate temperature measurement or loss of the protective sleeve is avoided, and only the screwing depth of the adjusting pipe 202a is adjusted, the novel thermocouple protection sleeve can be suitable for gasification furnaces of different models, so that the cost is reduced, after the screwing depth of the adjusting pipe 202a is determined, the fastening piece 202a-1 is rotated to be tightly attached to the lower end face of the connecting flange 203, the position of the adjusting pipe 202a is fixed, the graphite silicon carbide pipe 202b-1 is made of graphite silicon carbide, the high-temperature resistance and the heat conduction performance are achieved, the actual temperature in the gasification furnace can be accurately measured, the strength and the toughness of the temperature measuring pipe 202b can be enhanced by using the stainless steel pipe 202b-2 inside, the temperature measuring pipe is not easy to break in the using process, the material of the adsorption layer 202b-3 is rare earth, the rare earth has the functions of filtering and adsorbing harmful gas, the harmful gas leakage after the graphite silicon carbide pipe 202b-1 is damaged is prevented, the safety of the environment and field operation staff is protected, and after the temperature measuring pipe 202b is damaged, only need to rotate the separation with temperature tube 202b and adjusting tube 202a, easily change temperature tube 202b, the temperature of armored thermocouple wire 102 in the stainless steel pipe 202b-2 is used for measuring the gasifier, and temperature signal transmits for terminal box 101 through armored thermocouple wire 102, and the use of universal pipe 204 has made things convenient for this novel thermocouple protective sleeve to arrange in different spaces.
It should be noted that the above-mentioned embodiments are only 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 on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A novel thermocouple protective sleeve is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the wire connection assembly (100) comprises a junction box (101) and an armored thermocouple wire (102) electrically connected with the junction box (101);
the protective sleeve assembly (200) comprises a cold end protective sleeve (201) and a hot end protective sleeve (202) which are of hollow cylinder structures, and a connecting flange (203) which is matched with the lower end of the cold end protective sleeve (201) and the upper end of the hot end protective sleeve (202) mutually.
2. A novel thermocouple protection sleeve as claimed in claim 1, wherein: threaded holes (203a) are formed in the middle of the connecting flange (203), and the lower end of the cold end protective sleeve (201) is fixedly arranged in the middle of the top end of the connecting flange (203).
3. A novel thermocouple protection sleeve as claimed in claim 2, wherein: the hot end protection sleeve (202) comprises an adjusting tube (202a) and a temperature measuring tube (202 b).
4. A novel thermocouple protection sleeve as claimed in claim 3, wherein: the outer surface of the adjusting pipe (202a) is provided with a first external thread matched with the threaded hole (203a), the outer surface of the adjusting pipe (202a) is in threaded connection with a fastener (202a-1), the lower end of the outer surface of the adjusting pipe (202a) is fixedly provided with a limiting part (202a-2), the fastener (202a-1) is a hexagonal nut, and the limiting part (202a-2) is of a hexagonal structure.
5. A novel thermocouple protection sleeve as claimed in claim 3, wherein: the outer diameter of the adjusting pipe (202a) is smaller than the inner diameter of the cold end protective sleeve (201), and the bottom end of the inside of the adjusting pipe (202a) is provided with internal threads (202 a-3).
6. The novel thermocouple protection sleeve according to claim 5, wherein: the temperature measuring tube (202b) comprises a graphite silicon carbide tube (202b-1) and a stainless steel tube (202b-2), the graphite silicon carbide tube (202b-1) is in a long tube shape with an upper opening and a lower closed part, the stainless steel tube (202b-2) is arranged inside the graphite silicon carbide tube (202b-1), and an adsorption layer (202b-3) is arranged between the graphite silicon carbide tube (202b-1) and the stainless steel tube (202 b-2).
7. A novel thermocouple protection sleeve as claimed in claim 6, wherein: the inner side and the outer side of the adsorption layer (202b-3) are respectively fixedly connected with the stainless steel tube (202b-2) and the graphite silicon carbide tube (202b-1), and the adsorption layer (202b-3) is made of rare earth.
8. A novel thermocouple protection sleeve as claimed in claim 6, wherein: the upper end of the stainless steel pipe (202b-2) is provided with a second external thread matched with the internal thread (202a-3) at the bottom end of the adjusting pipe (202a), and the upper end of the stainless steel pipe (202b-2) is in threaded fit with the internal thread (202 a-3).
9. A novel thermocouple protection sleeve as claimed in claim 6, wherein: one end of the armored thermocouple wire (102) penetrates through the cold end protective sleeve (201) and extends into the stainless steel pipe (202 b-2).
10. A novel thermocouple protection sleeve as claimed in claim 9, wherein: the top of cold junction protective sleeve (201) with be connected through universal pipe (204) between the bottom of terminal box (101), be located cold junction protective sleeve (201) with armoured thermocouple wire (102) between terminal box (101) set up in universal pipe (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021101.5U CN216593841U (en) | 2021-08-26 | 2021-08-26 | Novel thermocouple protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021101.5U CN216593841U (en) | 2021-08-26 | 2021-08-26 | Novel thermocouple protective sleeve |
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| Publication Number | Publication Date |
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| CN216593841U true CN216593841U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122021101.5U Active CN216593841U (en) | 2021-08-26 | 2021-08-26 | Novel thermocouple protective sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085614A (en) * | 2023-10-16 | 2023-11-21 | 大庆市镁华仪仪表衡器有限公司 | High-precision temperature and pressure transmitting controller |
| CN117191209A (en) * | 2023-11-07 | 2023-12-08 | 滨州泽郦精密金属科技有限公司 | Quick response temperature thermocouple for metal mold casting |
-
2021
- 2021-08-26 CN CN202122021101.5U patent/CN216593841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085614A (en) * | 2023-10-16 | 2023-11-21 | 大庆市镁华仪仪表衡器有限公司 | High-precision temperature and pressure transmitting controller |
| CN117085614B (en) * | 2023-10-16 | 2024-01-09 | 大庆市镁华仪仪表衡器有限公司 | High-precision temperature and pressure transmitting controller |
| CN117191209A (en) * | 2023-11-07 | 2023-12-08 | 滨州泽郦精密金属科技有限公司 | Quick response temperature thermocouple for metal mold casting |
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