CN113607294A - Protective sleeve for thermocouple convenient temperature measurement - Google Patents
Protective sleeve for thermocouple convenient temperature measurement Download PDFInfo
- Publication number
- CN113607294A CN113607294A CN202110571022.3A CN202110571022A CN113607294A CN 113607294 A CN113607294 A CN 113607294A CN 202110571022 A CN202110571022 A CN 202110571022A CN 113607294 A CN113607294 A CN 113607294A
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- main body
- protective
- protective sleeve
- butt joint
- thermocouple
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- 230000001681 protective effect Effects 0.000 title claims abstract description 77
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 62
- 239000010410 layer Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 238000005253 cladding Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000004372 laser cladding Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 40
- 210000001503 joint Anatomy 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003032 molecular docking Methods 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a thermocouple protective sleeve convenient for temperature measurement, which comprises a protective sleeve main body and a wiring part heat insulation plug, wherein the protective sleeve main body is integrally constructed into a round tube structure with a sealed end part and a hemispherical shape, the protective sleeve main body comprises a metal substrate layer, a protective layer arranged on the inner edge surface of the metal substrate layer and a cladding layer processed by laser cladding on the outer edge surface of the metal substrate layer, the cladding layer is cladded on the outer edge surface of one side of the protective sleeve main body facing to a sealed end, one side of the protective sleeve main body far away from the hemispherical sealed end is butted with the wiring part heat insulation plug, a plurality of groups of heat insulation guide rings for supporting a thermocouple magnetic insulation tube are arranged in the protective layer, and one side of the protective layer facing to the hemispherical sealed end is provided with a group of hemispherical heat conduction end heads. This make things convenient for temperature measurement thermocouple protective casing pipe, it is rational in infrastructure, easily realize the installation of magnetic insulation pipe in protective casing and dismantle, and be convenient for carry on the protection that the circuit position is thermal-insulated and magnetic insulation pipe, recommend the wide use.
Description
Technical Field
The invention belongs to the technical field of thermocouples, and particularly relates to a thermocouple protective sleeve convenient for temperature measurement.
Background
The thermocouple (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 (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. The thermocouple has the advantages of stable performance, accuracy, reliability, simple structure, convenient use, wide temperature measuring range, remote signal transmission and the like, and becomes a temperature sensing element with the most extensive application in the fields of industrial production, scientific research and the like. In the temperature measuring process, the thermocouple protection sleeve plays an important role. The performance of the sleeve material influences various performance indexes such as long-term stability and service life of the thermocouple. In particular, thermocouples operating at high temperatures have higher requirements for their materials. Therefore, the sleeve material (or sheath material) of the thermocouple is often made of alloy material, and a part of the sleeve material applied to the high temperature area is subjected to surface cladding treatment.
The protective sleeve of current thermocouple is carrying out the temperature measurement during operation, the influence of the regional thermal radiation of work that receives of protective sleeve, conduct heat to inside, and carry out temperature measuring electrode by the insulating tube tip of magnetism and detect, and the insulating tube of magnetism is when the protective sleeve inner wall that generates heat for a long time in conflict, can influence life to a certain extent, and the insulating tube of magnetism still has the inconvenient problem of installation separation, some protective sleeve still can be with leading-in cable mounted position to the connecting element storehouse of heat under long-term high temperature environment, influence the life of cable, increase the maintenance cost.
Disclosure of Invention
The invention aims to provide a thermocouple protective sleeve convenient for temperature measurement, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a thermocouple protective sleeve convenient for temperature measurement comprises a protective sleeve main body and a wiring part heat insulation plug;
the protective sleeve main body is of a round pipe structure with a closed end part and a hemispherical shape, the protective sleeve main body comprises a metal base material layer, a protective layer arranged on the inner edge surface of the metal base material layer and a cladding layer processed by laser cladding on the outer edge surface of the metal base material layer, the cladding layer is cladded on the outer edge surface of one side of the protective sleeve main body facing the closed end, and one side of the protective sleeve main body far away from the hemispherical closed end is butted with a wiring part heat insulation plug;
a plurality of groups of heat insulation guide rings for supporting the thermocouple magnetic insulation tubes are arranged in the protective layer, one side of the protective layer facing the hemispherical closed end is provided with a group of hemispherical heat conduction ends, the hemispherical heat conduction ends are connected with temperature measurement electrodes at the end parts of the thermocouple magnetic insulation tubes, and the outer edges of the hemispherical heat conduction ends are attached to the hemispherical inner wall at the end part of the protective layer;
the butt joint chamber that supplies to separate the temperature cover installation is seted up in the thermal-insulated plug of above-mentioned wiring portion, and the tip of the thermal-insulated plug of wiring portion set up with the coaxial threading groove one of protective casing main part, set up the sleeve pipe butt joint annular that supplies protective casing main part tip to peg graft on the above-mentioned thermal-insulated cover, and separate the position of thermal-insulated cover butt joint threading groove one and set up the threading groove two that communicates threading groove one, pass through flange joint between the thermal-insulated plug of above-mentioned wiring portion and the protective casing main part.
Preferably, the outer edge face of the metal substrate layer is provided with a first butt-joint ring, the first butt-joint ring is arranged on one side, away from the closed end of the protective sleeve main body, of the metal substrate layer, the first butt-joint ring is coaxial with the protective sleeve main body, and the cladding layer is cladded on the periphery of the metal substrate layer between the first butt-joint ring and the closed end of the protective sleeve main body.
Preferably, the first butt-joint ring is provided with a plurality of groups of first threaded holes in an annular array around the axis of the first butt-joint ring as a circle center, and the axis of the first threaded holes is parallel to the axis of the first butt-joint ring.
Preferably, the outer edge surface of the heat insulation plug of the wiring portion is provided with a second butt ring, the second butt ring is arranged on one side, away from the first threading groove, of the heat insulation plug of the wiring portion, and the second butt ring is coaxial with the heat insulation plug of the wiring portion.
Preferably, the second docking ring is provided with a plurality of second threaded holes in an annular array around the axis of the second docking ring as a circle center, the axis of the second threaded hole is parallel to the axis of the second docking ring, a plurality of adjacent second threaded holes are provided with embedded arc-shaped clamping edges, and the plurality of embedded arc-shaped clamping edges are distributed in an annular array around the axis of the second docking ring.
Preferably, the heat-insulating guide ring comprises a ceramic ring body and ceramic rollers distributed on the inner edge surface of the ceramic ring body in an annular array mode around the axis of the ceramic ring body as a circle center, the ceramic ring body and the protective sleeve main body are coaxially mounted, and the outer edge surface of the ceramic ring body is attached to the inner edge surface of the protective layer.
Preferably, the ceramic roller is rotatably connected with the ceramic ring body, and the axis of the ceramic roller is perpendicular to the axis of the ceramic ring body.
Preferably, the hemispherical heat conducting end head comprises an end head main body, the center of the end head main body is provided with a group of temperature measuring bins, and the edge of the end head main body is provided with a conical temperature conducting surface which is sunken in the temperature measuring bins.
The invention has the technical effects and advantages that: according to the convenient temperature-measuring thermocouple protective sleeve, due to the fact that the multiple groups of heat-insulating guide rings are additionally arranged on the inner edge surface of the protective layer, the outer edge surface of the ceramic ring body is abutted to the inner wall of the protective layer, the ceramic heat conduction coefficient is low, a large amount of heat is not easy to conduct to the magnetic insulation pipe, the ceramic roller installed by matching with the inner edge surface of the ceramic ring body can conveniently realize the installation and the disassembly of the magnetic insulation pipe, the heat conduction and the separation can be realized, and the influence of the directly abutted protective layer on the magnetic insulation pipe is prevented;
the wiring part heat insulation plug is connected with the protective sleeve main body through a first butt joint ring and a second butt joint ring which are matched with bolts, a heat insulation sleeve in the wiring part heat insulation plug is sleeved on the periphery of the end part of the protective sleeve main body to realize heat insulation and protect an internal circuit, and the structure of the embedded arc clamping edges on the two sides of the butt joint ring can be embedded into a groove at a corresponding position of the butt joint ring to realize tight butt joint;
the structure of hemisphere heat conduction end is convenient for realize the conduction of temperature, wherein the temperature measurement storehouse that possesses and make things convenient for magnetic insulation pipe tip temperature measurement electrode to connect of hemisphere heat conduction end, and the structure of toper temperature conduction face is convenient for the heat to the sharing of butt joint intracavity wall, and the stability of temperature measurement position temperature is guaranteed to the structure of temperature measurement storehouse hemisphere groove to the dispersion of the marginal temperature of being convenient for, whole reliable stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of a protective sleeve body of the present invention;
FIG. 3 is a schematic view of the construction of the connection portion thermal plug of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic view of the construction of the heat insulating guide ring of the present invention;
FIG. 7 is a schematic view of a hemispherical thermal tip according to the present invention.
In the figure: the heat-insulating sleeve comprises a protective sleeve main body 1, a metal substrate layer 101, a protective layer 102, a cladding layer 103, a wiring part 2, a heat-insulating plug, a butting cavity 201, a threading groove I202, a heat-insulating guide ring 3, a ceramic ring 301, a ceramic roller 302, a hemispherical heat-conducting end 4, a butting ring I5, a threaded hole I501, a threaded hole II 6, a threaded hole II 601, an embedded arc-shaped clamping edge 602, a temperature measurement cabin 701, a conical temperature guide surface 702, a heat-insulating sleeve 8, a sleeve butting annular groove 801 and a threading groove II 802.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The invention provides a thermocouple protective sleeve convenient for temperature measurement, which is shown in figures 1-7 and comprises a protective sleeve main body 1 and a wiring part heat insulation plug 2;
the protective sleeve main body 1 is integrally constructed into a round pipe structure with a closed end part and a hemispherical shape, the protective sleeve main body 1 comprises a metal base material layer 101, a protective layer 102 arranged on the inner edge surface of the metal base material layer 101 and a cladding layer 103 processed by laser cladding on the outer edge surface of the metal base material layer 101, the cladding layer 103 is cladded on the outer edge surface of one side, facing the closed end, of the protective sleeve main body 1, and one side, far away from the hemispherical closed end, of the protective sleeve main body 1 is butted with a wiring part heat insulation plug 2;
the protection layer 102 is internally provided with a plurality of groups of heat insulation guide rings 3 for supporting the thermocouple magnetic insulation tube, the ceramic ring body 301 is abutted against the inner wall of the protection layer 102, the ceramic heat conductivity coefficient is low, a large amount of heat is not easy to conduct to the magnetic insulation tube, the ceramic roller 302 arranged on the inner edge surface of the ceramic ring body 301 can conveniently realize the installation and the disassembly of the magnetic insulation tube and can realize the heat conduction and separation to prevent the direct interference of the protection layer 102 on the magnetic insulation tube, one side of the protection layer 102 facing the hemispherical closed end is provided with a group of hemispherical heat conduction end heads 4, the hemispherical heat conduction end heads 4 are connected with temperature measuring electrodes at the end part of the thermocouple magnetic insulation tube, the outer edge of the hemispherical heat conduction end heads 4 is attached to the hemispherical inner wall at the end part of the protection layer 102, the structure of the hemispherical heat conduction end heads 4 is convenient for realizing the temperature conduction, wherein the hemispherical heat conduction end heads 4 comprise a group of temperature measuring chambers 701 arranged at the center of the end main body 7, the edge of the end head main body 7 is provided with a conical temperature conducting surface 702 which is sunken into the temperature measuring bin 701, the end head main body 7 is provided with the temperature measuring bin 701 which is convenient for the connection of a temperature measuring electrode at the end part of the magnetic insulation pipe, the structure of the conical temperature conducting surface 702 is convenient for the distribution of heat to the inner wall of the butt joint cavity 201, the structure of a hemispherical groove of the temperature measuring bin 701 ensures the stability of temperature at a temperature measuring position, is convenient for the dispersion of edge temperature, and is reliable and stable as a whole;
the wiring part heat insulation plug 2 is internally provided with a butt joint cavity 201 for installing a heat insulation sleeve 8, the end part of the wiring part heat insulation plug 2 is provided with a first threading groove 202 which is coaxial with the protective sleeve main body 1, the heat insulation sleeve 8 is provided with a sleeve butt joint ring groove 801 for splicing the end part of the protective sleeve main body 1, the position of the heat insulation sleeve 8 butt joint groove 202 is provided with a second threading groove 802 communicated with the first threading groove 202, the wiring part heat insulation plug 2 is connected with the protective sleeve main body 1 through a flange, the wiring part heat insulation plug 2 and the protective sleeve main body 1 are connected with a second butt joint ring 6 through a first butt joint ring 5 and a matching bolt, the heat insulation sleeve 8 in the wiring part heat insulation plug 2 is sleeved on the periphery of the end part of the protective sleeve main body 1 to realize heat insulation and protect an internal line, the structure of a side surface embedded arc-shaped clamping ridge 602 of the second butt joint ring 6 can be embedded into a groove at a corresponding position of the first butt joint ring 5, and the tight butt joint is realized.
The outer edge face of the metal substrate layer 101 is provided with a first butt-joint ring 5, the first butt-joint ring 5 is arranged on one side, away from the closed end of the protective sleeve main body 1, of the metal substrate layer 101, the first butt-joint ring 5 is coaxial with the protective sleeve main body 1, and the cladding layer 103 is cladded on the periphery of the metal substrate layer 101 between the first butt-joint ring 5 and the closed end of the protective sleeve main body 1.
The first butt joint ring 5 is provided with a plurality of groups of first threaded holes 501 in an annular array around the axis of the first butt joint ring 5 as a circle center, and the axis of the first threaded holes 501 is parallel to the axis of the first butt joint ring 5.
The outer edge surface of the wiring part heat insulation plug 2 is provided with a second butt-joint ring 6, the second butt-joint ring 6 is arranged on one side, away from the first threading groove 202, of the wiring part heat insulation plug 2, and the second butt-joint ring 6 is coaxial with the wiring part heat insulation plug 2.
The second docking ring 6 is provided with a plurality of groups of second threaded holes 601 in an annular array around the axis of the second docking ring 6, the axis of the second threaded holes 601 is parallel to the axis of the second docking ring 6, embedded arc-shaped clamping ridges 602 are formed between the adjacent groups of second threaded holes 601, and the plurality of groups of embedded arc-shaped clamping ridges 602 are distributed in an annular array around the axis of the second docking ring 6.
The heat-insulating guide ring 3 comprises a ceramic ring body 301 and ceramic rollers 302 which are distributed on the inner edge surface of the ceramic ring body 301 in an annular array mode around the axis of the ceramic ring body 301 as the circle center, the ceramic ring body 301 and the protective casing main body 1 are coaxially mounted, and the outer edge surface of the ceramic ring body 301 is attached to the inner edge surface of the protective layer 102.
The ceramic roller 302 is rotatably connected with the ceramic ring body 301, and the axis of the ceramic roller 302 is perpendicular to the axis of the ceramic ring body 301.
The working principle is that before the magnetic insulating tube is installed, the temperature measuring electrode at the end part of the protective sleeve needs to be connected with the temperature measuring bin 701 of 7, after the connection, the magnetic insulating tubes and the temperature measuring electrodes 7 are arranged in the protective sleeve main body 1, and then the heat insulation guide rings 3 are arranged in the protective sleeve main body 1, the number of the heat insulation guide rings 3 can be configured according to the requirements of users, which is used to protect the magnetic insulation tubing from touching the protective layer 102, after the magnetic insulation tubing is installed, namely, the wiring part heat insulation plug 2 is butted with the protective sleeve main body 1, the end part of the protective sleeve main body 1 is embedded into the sleeve butting ring groove 801, the lead is led out from the second threading groove 802 and the first threading groove 202, and the butt joint cavity 201 is filled with a heat insulation material, and finally, the threaded hole I501 of the butt joint ring I5 and the threaded hole II 601 of the butt joint ring II 6 are connected through bolts. This make things convenient for temperature measurement thermocouple protective casing pipe, it is rational in infrastructure, easily realize the installation of magnetic insulation pipe in protective casing and dismantle, and be convenient for carry on the protection that the circuit position is thermal-insulated and magnetic insulation pipe, recommend the wide use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A thermocouple protection sleeve convenient for temperature measurement comprises a protection sleeve main body (1) and a wiring part heat insulation plug (2);
the method is characterized in that: the protective sleeve comprises a protective sleeve main body (1), wherein the protective sleeve main body (1) is integrally constructed into a round tube structure with a closed end part and a hemispherical shape, the protective sleeve main body (1) comprises a metal base material layer (101), a protective layer (102) arranged on the inner edge surface of the metal base material layer (101) and a cladding layer (103) processed by laser cladding on the outer edge surface of the metal base material layer (101), the cladding layer (103) is cladded on the outer edge surface of the protective sleeve main body (1) facing one side of a closed end, and one side, away from the hemispherical closed end, of the protective sleeve main body (1) is butted with a wiring part heat insulation plug (2);
install thermal-insulated guide ring (3) that the multiunit supported thermocouple magnetic insulation pipe in inoxidizing coating (102), and inoxidizing coating (102) install a set of hemisphere heat conduction end (4) towards one side of hemisphere blind end, hemisphere heat conduction end (4) are connected with the temperature measurement electrode of thermocouple magnetic insulation pipe end, and hemisphere heat conduction end (4) outer fringe laminating inoxidizing coating (102) hemispherical inner wall of tip.
2. A protective sheath for a thermocouple convenient for temperature measurement according to claim 1, wherein: the wiring portion heat insulation plug (2) is internally provided with a butt joint cavity (201) for installing a heat insulation sleeve (8), the end portion of the wiring portion heat insulation plug (2) is provided with a first threading groove (202) coaxial with the protective sleeve main body (1), a sleeve butt joint annular groove (801) for inserting the end portion of the protective sleeve main body (1) is formed in the heat insulation sleeve (8), a second threading groove (802) communicated with the first threading groove (202) is formed in the position of the heat insulation sleeve (8) butt joint first threading groove (202), and the wiring portion heat insulation plug (2) is connected with the protective sleeve main body (1) through a flange.
3. A protective sheath for a thermocouple convenient for temperature measurement according to claim 1, wherein: the outer fringe face of metal substrate layer (101) is constructed and is had butt joint ring one (5), butt joint ring one (5) are constructed in metal substrate layer (101) and are kept away from one side of protective casing main part (1) blind end, and butt joint ring one (5) and protective casing main part (1) are coaxial, cladding in butt joint ring one (5) and protective casing main part (1) metal substrate layer (101) between the blind end periphery of cladding layer (103).
4. A protective sheath for a thermocouple convenient for temperature measurement according to claim 3, wherein: the butt joint ring I (5) is provided with a plurality of groups of threaded holes I (501) in an annular array around the axis of the butt joint ring I (5) as the circle center, and the axis of the threaded holes I (501) is parallel to the axis of the butt joint ring I (5).
5. A protective sheath for a thermocouple convenient for temperature measurement according to claim 2, wherein: the outer fringe face of the heat-insulating plug (2) of wiring portion is constructed with two (6) of butt rings, two (6) of butt rings are constructed in one side that wiring portion heat-insulating plug (2) kept away from threading groove (202), and two (6) of butt rings are coaxial with wiring portion heat-insulating plug (2).
6. A protective sheath for a thermocouple convenient for temperature measurement according to claim 5, wherein: the butt joint ring II (6) is provided with a plurality of groups of threaded holes II (601) in an annular array manner around the axis of the butt joint ring II (6) as the center of a circle, the axis of the threaded holes II (601) is parallel to the axis of the butt joint ring II (6), embedded arc-shaped clamping edges (602) are constructed between the groups of adjacent threaded holes II (601), and the embedded arc-shaped clamping edges (602) are distributed in an annular array manner around the axis of the butt joint ring II (6).
7. A protective sheath for a thermocouple convenient for temperature measurement according to claim 1, wherein: the heat insulation guide ring (3) comprises a ceramic ring body (301) and ceramic rollers (302) which are distributed on the inner edge surface of the ceramic ring body (301) in an annular array mode around the axis of the ceramic ring body (301) as the circle center, the ceramic ring body (301) and the protective casing main body (1) are coaxially installed, and the outer edge surface of the ceramic ring body (301) is attached to the inner edge surface of the protective layer (102).
8. A protective sheath for a thermocouple convenient for temperature measurement according to claim 7, wherein: the ceramic roller (302) is rotatably connected with the ceramic ring body (301), and the axis of the ceramic roller (302) is perpendicular to the axis of the ceramic ring body (301).
9. A protective sheath for a thermocouple convenient for temperature measurement according to claim 1, wherein: the hemispherical heat conducting end head (4) comprises an end head main body (7), the center of the end head main body (7) is provided with a group of temperature measuring bins (701), and the edge of the end head main body (7) is provided with a conical temperature guide surface (702) which is sunken into the temperature measuring bins (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571022.3A CN113607294B (en) | 2021-05-25 | Convenient temperature thermocouple protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571022.3A CN113607294B (en) | 2021-05-25 | Convenient temperature thermocouple protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113607294A true CN113607294A (en) | 2021-11-05 |
| CN113607294B CN113607294B (en) | 2024-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499250A (en) * | 2023-06-27 | 2023-07-28 | 润星泰(常州)技术有限公司 | Smelting furnace molten metal temperature detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183639A (en) * | 1997-09-08 | 1999-03-26 | Isuzu Ceramics Kenkyusho:Kk | Thermocouple for measuring temperature of molten metal |
| CN207019808U (en) * | 2017-07-31 | 2018-02-16 | 久茂自动化(大连)有限公司 | Abrasion resistant thermocouple |
| CN209447609U (en) * | 2019-04-03 | 2019-09-27 | 深圳市蓝天键科技发展有限公司 | A kind of communication cable of explosion-proof |
| CN212779624U (en) * | 2020-06-24 | 2021-03-23 | 浙江思纳克热流道科技有限公司 | High-temperature-resistant electric thermocouple |
| CN213239217U (en) * | 2020-10-16 | 2021-05-18 | 青岛永钊新材料科技有限公司 | Temperature control sleeve and temperature measuring device |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183639A (en) * | 1997-09-08 | 1999-03-26 | Isuzu Ceramics Kenkyusho:Kk | Thermocouple for measuring temperature of molten metal |
| CN207019808U (en) * | 2017-07-31 | 2018-02-16 | 久茂自动化(大连)有限公司 | Abrasion resistant thermocouple |
| CN209447609U (en) * | 2019-04-03 | 2019-09-27 | 深圳市蓝天键科技发展有限公司 | A kind of communication cable of explosion-proof |
| CN212779624U (en) * | 2020-06-24 | 2021-03-23 | 浙江思纳克热流道科技有限公司 | High-temperature-resistant electric thermocouple |
| CN213239217U (en) * | 2020-10-16 | 2021-05-18 | 青岛永钊新材料科技有限公司 | Temperature control sleeve and temperature measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499250A (en) * | 2023-06-27 | 2023-07-28 | 润星泰(常州)技术有限公司 | Smelting furnace molten metal temperature detection device |
| CN116499250B (en) * | 2023-06-27 | 2023-08-29 | 润星泰(常州)技术有限公司 | Smelting furnace molten metal temperature detection device |
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