CN116147794A - Semi-flexible and semi-armoured high-performance thermocouple assembly - Google Patents

Abstract

The invention discloses a semi-flexible and semi-armored high-performance thermocouple assembly, which comprises a junction box, a plurality of thermocouples connected with the junction box in parallel and a fixing assembly for fixing the thermocouples on an engine casing; the thermocouple comprises a probe end inserted into the engine cavity and a thermocouple compensation extension section connected with the probe end; the probe end is protected through armor seal, is in a rotary forging necking structure and adopts a multi-section reducing structure; the thermocouple compensation extension section adopts a flexible structure, and the probe end and the thermocouple compensation extension section are in transition with the probe end through a plurality of adapter multi-section packages.

Description

Semi-flexible and semi-armoured high-performance thermocouple assembly

Technical Field

The invention relates to the technical field of thermocouples, in particular to a semi-flexible and semi-armored high-performance thermocouple assembly.

Background

When measuring the high-temperature gas temperature of the engine, a pure armored thermocouple is generally adopted, and the hidden danger of easy breakage of bearing of the lap joint part of the armored thermocouple and the clamping pipe exists in the existing pure armored thermocouple. When the fully armoured thermocouple structure is assembled on an engine, because of factors such as deformation, the mounting stress (bending torsion stress) is easy to exist in the assembling process of the armoured thermocouple, the fatigue strength of materials is reduced, and the risk of vibration breaking exists.

The patent publication No. CN110132441A discloses a redundancy thermocouple device and a design method, which are used for measuring the gas temperature in an engine cavity and converting the gas temperature into potential signals, and comprises a redundancy thermocouple with a plurality of groups of thermocouple wires and an electric connector which is connected with the wiring end of the redundancy thermocouple and is used for outputting the potential signals output by the thermocouple to a control system, wherein the electric connector is provided with a thermocouple connecting end connected with the wiring end of the redundancy thermocouple and a signal connecting end connected with the control system, and a plurality of thermocouple wire connecting ends which are respectively connected with different signal connecting ends and are used for connecting the thermocouple wires are arranged in the thermocouple connecting end; the probe end of the redundancy thermocouple is used for extending into the engine cavity to be fully contacted with fuel gas so as to measure the temperature of the fuel gas, current is generated through the temperature difference between the probe end of the redundancy thermocouple and the wiring end, and potential signals of different groups of coupling wires are output to the control system from different signal connection ends through the electric connector.

Disclosure of Invention

The present invention is directed to solving the problems noted in the background art above and providing a semi-flexible, semi-armored high performance thermocouple assembly.

The technical scheme adopted by the invention is as follows:

a semi-flexible and semi-armored high-performance thermocouple assembly comprises a junction box, a plurality of thermocouples connected with the junction box in parallel and a fixing assembly for fixing the thermocouples on an engine casing; the thermocouple comprises a probe end inserted into the engine cavity and a thermocouple compensation extension section connected with the probe end; the probe end is protected through armor seal, is in a rotary forging necking structure and adopts a multi-section reducing structure; the thermocouple compensation extension section adopts a flexible structure, and the probe end and the thermocouple compensation extension section are in transition with the probe end through multi-section encapsulation of a plurality of adapters.

Further, the junction box is of a cylindrical tail attachment structure, the junction box comprises a junction box shell, a crimping tube, an outer sleeve insulating sleeve, an electric connector and a socket mounting plate, wherein the junction box shell is connected with thermocouple compensation extension sections of a plurality of thermocouples in parallel, the crimping tube is arranged in the shell, the outer sleeve insulating sleeve is wrapped outside the crimping tube, the electric connector is connected with the crimping tube, the socket mounting plate is connected with the electric connector, a high-temperature insulating material is filled and sealed in the junction box shell, the high-temperature insulating material is silicon rubber, and the crimping tube is made of K-division nickel-chromium or nickel-silicon materials.

Further, the probe end includes a necked section and a curved section.

Further, the thermocouples are adapted to be inserted into the engine casing to work at the same depth according to the position requirement of the engine temperature measuring temperature field.

Further, the probe end comprises a shell, redundant thermocouple wires and magnesia powder in the shell, wherein one of single-branch, double-branch or multi-branch K-division thermocouple wires is adopted, each pair of thermocouple wires is welded into a hot joint at two positive and negative thermocouple wires of the probe head, the hot joints of the thermocouple wires are jointly packaged in the probe to generate a plurality of temperature measurement signals for output, the magnesia powder is contained in the probe end, and the probe end is formed by multistage drawing, small-size deformation rotary forging and radial high-speed beating.

Further, the thermocouple compensation extension section comprises an innermost core wire, a middle temperature-resistant insulating layer and an outer shielding layer, one end of the shielding layer is fixed with the second connector shell, one end of the shielding layer is fixed with the junction box, the temperature-resistant insulating layer is made of polyimide and glass fiber serving as high-temperature insulating sheath materials, and the shielding layer is woven by metal wires; the thermocouple compensation extension section adopts a compensation wire.

Further, the shielding layer is connected with the junction box shell through the memory ring or the outer ferrule, is fastened through the ferrule crimping or the memory ring in a blowing-shrinking manner, and is fixed through the external sleeve molding shrinkage sleeve in a blowing-shrinking manner after the shielding layer is processed.

Further, the probe end and the thermocouple compensation extension section are in transition with the probe end through two-section encapsulation of three adapters, a first adapter shell of the transition section is connected with the rear end of the probe end, and an insulating material I is arranged in the first adapter shell; the adapter shell II is connected with the adapter shell I, and an insulating material II is arranged in the adapter shell II; the third adapter shell compresses the shielding layer on the second adapter shell; the redundant coupling wires are connected with the core wires which are compensated and extended by the thermocouples.

Further, the first insulating material is glass, the second insulating material is epoxy resin glue, and an insulating sleeve is arranged at the joint of the coupling wire and the core wire.

Further, the fixing component comprises an installation seat which is arranged at the rear end of the clamping tube and fixedly connected with the casing, a clamping tube which is connected with the front end of the probe end and fixedly connected with the casing, and a clamp which is arranged at the thermocouple compensation extension section and fixedly connected with the corresponding pipeline structure of the engine, wherein the clamping tube is of a multi-section stepped hole structure.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the semi-flexible and semi-armored high-performance thermocouple assembly, the thermocouple is connected with the three (or more) adapters, and two (or more) insulating materials are encapsulated inside, so that the insulation encapsulation of the thermocouple compensation extension section is realized in a long-service-life period, and the insulation performance is not reduced.

(2) According to the semi-flexible and semi-armored high-performance thermocouple assembly, the thermocouple adopts a structural design that the outer diameter of the armored thermocouple is thickened in a multi-section reducing mode to improve the strength margin; the temperature measurement and time constant performance of the armored thermocouple are determined by the outer diameter and the inner package of the probe end, the probe end is thinned, and the time constant is improved; aiming at the difference of the two structural requirements, from extremely thick to extremely thin, one-time necking transition is carried out, the deformation is large, and the armor thermocouple shell is easy to crack, so that the deformation of the armor thermocouple at each time can be reduced by adopting multi-section necking transition, the strength is ensured to meet the requirements and not to crack, and the response time of the front end is ensured to meet the requirements.

(3) The invention adopts the flexible structure instead of the thermocouple compensation extension section, solves the current situation that the thermocouple is rigidly connected and is easy to have assembly stress during vibration, and the assembly stress is superposed with thermal stress, so that the steady-state stress of the thermocouple assembly during working along with the engine can be improved, and the thermocouple is easy to be broken under the vibration stress; the flexible structure is convenient for any assembly of the armored thermocouple, the problem of installation stress does not exist, and the trend and the fixation of the flexible cable can be controlled according to the installation interference condition on the engine so as to achieve the purpose of smooth installation.

(4) According to the semi-flexible and semi-armored high-performance thermocouple assembly, the thermocouple compensation extension section is fixedly connected with the casing through the clamping hoop by adopting a flexible structure such as a compensation wire (compensation cable), the influence of initial installation stress can be eliminated in the flexible structure assembly process, and the vibration resistance of a product is improved.

(5) The junction box is connected with the flexible thermocouple in a sealing way, and the use requirement of electromagnetic compatibility of the product can be met through connection treatment of the shielding layer, so that the junction box is equivalent to the original sealing structure in efficacy; the insulation property of the product can be effectively ensured through the encapsulation treatment in the tail-attached shell; the mould shrinkage sleeve of the outer sleeve is made of mould-proof fluororubber, so that the mould shrinkage sleeve can resist damp and heat, mould and salt fog, and the functions, performances and environmental adaptability of the product are not reduced after the sealability is reduced.

Drawings

FIG. 1 is a schematic illustration of a semi-flexible, semi-armored high performance thermocouple assembly;

FIG. 2 is a schematic illustration of the structure of a thermocouple of a semi-flexible, semi-armored high performance thermocouple assembly;

FIG. 3 is a schematic view of the structure of a cross-sectional view of the probe end of a semi-flexible, semi-armored high performance thermocouple assembly;

FIG. 4 is a schematic view of the structure of a cross-sectional view of the probe end of a semi-flexible, semi-armored high performance thermocouple assembly;

FIG. 5 is a schematic view of the structure of a probe end mount of a semi-flexible, semi-armored high performance thermocouple assembly;

FIG. 6 is a schematic view of the junction of two adaptors of a semi-flexible, semi-armored high performance thermocouple assembly;

fig. 7 is a schematic structural view of a junction I of a junction box and a compensating wire of a semi-flexible, semi-armored high performance thermocouple assembly.

Wherein: 1-1 is a shell; 1-2 is redundant coupling yarn; 1-3 is magnesia powder; 2-1 is a clamping tube; 2-2 is a probe end; 2-3 is a mounting seat; 2-4 are mounting gaskets; 2-5 is the first adapter housing; 2-6 are insulating materials I; 2-7 are insulating sleeves; 2-8 are adapter shells II; 2-9 are insulating materials II; 2-10 is an adapter housing III; 2-11 are compensation wires; 2-12 are shielding layers; 3-1 is an electrical connector, 3-2 is a socket mounting plate; 3-3 is a screw; 3-4 is a thermocouple compensation extension section; 3-5 is a crimping tube; 3-6 are mold shrink sleeves; 3-7 is a memory ring; 3-8 are terminal box shells; 3-9 are insulating sleeves; 3-10 is high-temperature insulating material.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc. indicate or refer to an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the scope of the present invention.

Unless otherwise specifically indicated, the various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or may be prepared by existing methods.

Example 1

Referring to fig. 1 to 7, an embodiment of the present invention provides:

a semi-flexible and semi-armored high-performance thermocouple assembly comprises a junction box, four thermocouples and a fixing assembly, wherein the four thermocouples are connected with the junction box in parallel, and each thermocouple comprises a probe end 2-2 inserted into an engine cavity and a thermocouple compensation extension section 3-4 connected with the probe end 2-2.

The probe end 2-2 is protected through armor seal, the probe end 2-2 is of a rotary forging necking structure, a multi-section reducing structure is adopted, the fact that the size of a rear thermocouple is large, the wall thickness is enough to ensure the strength is achieved, D4 is necked to D3, and is necked to D2, and is necked to D1 is achieved; the lengths L1 to L6 required by the installation and adaptation tool are correspondingly designed. The probe end 2-2 comprises a necking section and a bending section, the probe end 2-2 comprises a shell 1-1, redundant coupling wires 1-2 and magnesia powder in the shell 1-1, the redundant coupling wires 1-2 adopt one of single-branch, double-branch or multi-branch K-division redundant coupling wires 1-2, magnesia powder is contained in the probe end 2-2, after the internal magnesia powder is ensured to have certain compactness through multistage drawing forming, a measure of a rotary forging process of thermoelectric minimum size deformation is added (integral rotary forging of the surface of the 1-1 of fig. 1), and the internal magnesia powder is compacted further through radial high-speed hammering, so that the insulation performance is improved. The thermocouple of the invention adopts a multi-section reducing mode, can ensure that the thermocouple at the rear end has large size and thicker wall thickness, can ensure that the welding structure still has strength margin, and can adopt the welding structure.

The thermocouples are adapted to work at the same depth inserted into the engine casing according to the position requirement of the engine temperature measuring temperature field, the thermocouples are inserted into the engine cavity to measure the gas temperature, and the depth requirement of the inserted engine casing is ensured by controlling the length of L7. The length of the thermocouple inserted into the adapter housing 1-11 is ensured by adjusting the L8 size, and the weight of the packaging insulating material is ensured by adjusting the L9 and L10 sizes.

The thermocouple compensation extension section 3-4 adopts a flexible structure, so that the problem that the thermocouple is easy to break under the vibration stress due to the fact that the thermocouple is rigidly connected and the assembly stress is easy to exist during vibration, and the assembly stress is superposed with the thermal stress and can improve the steady-state stress of the thermocouple assembly during operation along with an engine is solved.

The thermocouple compensation extension section 3-4 comprises an innermost core wire, a middle temperature-resistant insulating layer and an outer shielding layer 2-12; one end of the shielding layer 2-12 is fixed with the second connector housing 2-8 through crimping, the shielding layer 2-12 is pressed on the second connector housing 2-8 by adopting the third connector housing 2-10, and one end of the shielding layer is fixed with the terminal box housing 3-81-1.

The compensation wires 2-11 are adopted specifically, so that the working environment with high vibration magnitude can be tolerated, and the initial assembly stress can not be generated at the thermocouple.

The shielding layer 2-12 ensures that the compensating lead 2-11 is not interfered by electromagnetic interference when in work; the temperature-resistant insulating layer is made of polyimide and glass fiber serving as high-temperature insulating sheath materials, and the shielding layers 2-12 are woven by metal wires.

The probe end 2-2 and the thermocouple compensation extension section 3-4 are transited with the probe end 2-2 through two-section type packaging of three adapters, namely 2 insulating materials are packaged in 3 adapter shells 1-1, the purpose of the adapters is to package the cold end of the thermocouple, insulation is ensured, and magnesia powder inside the thermocouple is prevented from absorbing moisture; after the redundant coupling wires 1-2 and the core wires which are compensated and extended by the thermocouples are welded in the adapter, welding spots are packaged in the adapter, so that the short circuit of the redundant coupling wires 1-2 caused by the contact of the welding spots is prevented, and the inaccurate temperature measurement is prevented; firstly, welding the second adapter housing 2-8 with the rear end of the thermocouple, packaging the first insulating material 2-6 in the first adapter housing 2-5, and adopting glass, wherein the expansion coefficient of the first insulating material 2-6 is equivalent to that of the metal material of the first adapter housing 2-5, so as to prevent the first insulating material 2-6 from deforming greatly and generating microcracks due to temperature change; welding (resistance welding or brazing or laser welding) the redundant coupling wires 1-2 of the thermocouple with the core wires of the compensating wires 2-11; 2-5 welding (laser welding or argon arc welding) the adapter housing II and the adapter housing I; separating the redundant coupling wires 1-2 from the welding spots of the compensating wires 2-11 (heating shrink sleeves or tools are physically separated); and the second 2-8 of the adapter shell is filled with the second 2-9 of the insulating material (such as epoxy resin glue), the expansion coefficient of the second 2-9 of the insulating material is equivalent to that of the second 2-8 of the adapter shell, and the micro-cracks are prevented from being generated due to larger deformation of the second 2-9 of the insulating material (such as epoxy resin glue) caused by temperature change.

The fixing assembly fixes the thermocouple to the engine casing.

The junction box is of a cylindrical tail attachment structure, the whole cylindrical tail attachment structure is of a sealing structure, the junction box comprises a junction box shell 3-81-1 connected with thermocouple compensation extension sections 3-4 of a plurality of thermocouples in parallel, a crimping tube 3-5 in the shell 1-1, an outer sleeve insulating sleeve 3-92-7 wrapped outside the crimping tube 3-5, an electric connector 3-1 connected with the crimping tube 3-5 and a socket mounting plate 3-2 connected with the electric connector 3-1, a high-temperature insulating material 3-10 is encapsulated in the junction box shell 3-81-1, the high-temperature insulating material 3-10 is silicon rubber, and the crimping tube 3-5 is made of K-indexed nickel-chromium or nickel-silicon materials; the four branch compensating wires 2-11 are arranged in the junction box shell 3-81-1 in parallel, the four branch compensating wires 2-11 realize the transmission of parallel signals in a crimping manner, realize the output of average temperature measurement signals of a plurality of branches in a physical parallel manner, and are fixed in a potting manner, and the shielding layer 2-12 is fixed outside the junction box in a crimping manner; the parallel connection treatment of the compensating wires 2-11 takes a crimping pipe 3-5 made of nickel-silicon material as a transition part in a crimping manner and a welding manner, the compensating wires 2-11 with the same polarity are crimped into a whole, and an insulating sleeve 3-92-7 is sleeved for insulating treatment; the compensation wires 2-11 are assembled with pins of the electrical connector 3-1 by welding (or crimping), and the electrical connector 3-1 and the socket mounting plate 3-2 are fixed by screws 3-3 or nuts.

Example 2

Referring to fig. 1 to 7, an embodiment of the present invention provides: a semi-flexible, semi-armored high performance thermocouple assembly comprising the junction box of example 1, four thermocouples of example 1, and the securing assembly of example 1.

Further, the fixing component comprises an installation seat 2-3 which is arranged at the front end 2-2 of the probe end and is fixedly connected with the casing, a clamping pipe 2-1 which is connected with the front end of the thermocouple and is fixedly connected with the casing, and a clamp which is arranged at the thermocouple compensation extension section 3-4 and is fixedly connected with the corresponding pipeline structure of the engine, and meanwhile, a protective sleeve (metal or nonmetal) which is specially used for clamping and fixing the clamp is sleeved on the shielding layer 2-12; the mounting seat 2-3 is fixedly connected with the casing and is also provided with a mounting gasket 2-4, the clamping tube 2-1 is of a multi-section stepped hole structure, the clamping tube 2-1 is fixedly connected with the thermocouple in a fastening mode which comprises welding and crimping, the clamping tube 2-1 is connected with the thermocouple, and the front end of the probe is in a welding connection mode, so that high-temperature gas flow in the engine casing can be prevented from jumping out through a gap, and the temperature field of the outer environment is influenced; the mounting seat 2-3 (flange) is fixedly connected with the clamping pipe 2-1 in a welding mode; the compensation wires 2-11 (compensation cables) are fixedly connected with the casing through the clamp, the influence of initial installation stress can be eliminated in the flexible structure assembly process, the vibration resistance of the product is improved, interference of a plurality of pipeline structures can be avoided during installation on the engine, and installation is easy to realize.

Example 3

Referring to fig. 1 to 7, an embodiment of the present invention provides: a semi-flexible, semi-armored high performance thermocouple assembly comprising the junction box of example 1, four thermocouples of example 1, and the securing assembly of example 1.

Further, the shielding layer 2-12 is connected with the junction box shell 3-81-1 through the memory ring 3-7 or the outer ferrule, the shielding layer 2-12 is processed through crimping of the outer ferrule or blowing and shrinking fastening of the memory ring 3-7, and the external sleeve mold shrinkage sleeve 3-6 is processed on the shielding layer 2-12 for blowing and shrinking fixing protection.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.

Claims (10)

1. The semi-flexible and semi-armored high-performance thermocouple assembly is characterized by comprising a junction box, a plurality of thermocouples connected with the junction box in parallel and a fixing assembly for fixing the thermocouples on an engine casing; the thermocouple comprises a probe end inserted into the engine cavity and a thermocouple compensation extension section connected with the probe end; the probe end is protected through armor seal, is in a rotary forging necking structure and adopts a multi-section reducing structure; the thermocouple compensation extension section adopts a flexible structure, and the probe end and the thermocouple compensation extension section are in transition with the probe end through multi-section encapsulation of a plurality of adapters.

2. The semi-flexible, semi-armored high performance thermocouple assembly of claim 1, wherein the junction box is of a cylindrical tail attachment structure, the junction box comprises a junction box shell connected with thermocouple compensation extension sections of a plurality of thermocouples in parallel, a crimping tube in the shell, an outer insulating sleeve wrapped outside the crimping tube, an electric connector connected with the crimping tube, and a socket mounting plate connected with the electric connector, wherein a high temperature insulating material is encapsulated in the junction box shell, the high temperature insulating material is silicon rubber, and the crimping tube is made of K-indexed nickel-chromium or nickel-silicon material.

3. A semi-flexible, semi-armored high performance thermocouple assembly according to claim 1, wherein said probe end comprises a necked down section and a curved section.

4. The semi-flexible, semi-armored high performance thermocouple assembly of claim 1, wherein said plurality of thermocouples are adapted to operate at the same depth of insertion into the engine case according to the location requirements of the engine temperature field.

5. The semi-flexible, semi-armored high performance thermocouple assembly of claim 1, wherein the probe end comprises a housing, redundant thermocouple wires and magnesia powder inside the housing, wherein one of single, double or multiple K-division thermocouple wires is adopted, each pair of thermocouple wires is welded into a thermal joint at two positive and negative thermocouple wires of the probe head, the multiple thermal joints of the multiple pairs of thermocouple wires are jointly packaged in the probe to generate multiple temperature measurement signal outputs, the magnesia powder is contained in the probe end, and the probe end is formed by multistage drawing, small-size deformation rotary forging and radial high-speed hammering.

6. The semi-flexible and semi-armored high-performance thermocouple assembly according to claim 1, wherein the thermocouple compensation extension section comprises an innermost core wire, a middle temperature-resistant insulating layer and an outer shielding layer, one end of the shielding layer is fixed with a second adapter shell, one end of the shielding layer is fixed with a junction box, the temperature-resistant insulating layer is made of polyimide and glass fiber which are high-temperature insulating sheath materials, and the shielding layer is woven by metal wires; the thermocouple compensation extension section adopts a compensation wire.

7. The semi-flexible, semi-armored high performance thermocouple assembly of claim 6, wherein the shielding layer is connected with the junction box housing through a memory ring or an outer ferrule, and is fastened through ferrule crimping or memory ring blowing, and after the shielding layer is processed, the outer sleeve is processed, and the outer sleeve is fixed through blowing.

8. The semi-flexible, semi-armored high performance thermocouple assembly according to claim 1, wherein the probe end and thermocouple compensation extension section are in transition with the probe end through three adaptor two-section packages, the transition section adaptor housing one is connected with the rear end of the probe end, and the adaptor housing one is provided with an insulating material one; the adapter shell II is connected with the adapter shell I, and an insulating material II is arranged in the adapter shell II; the third adapter shell compresses the shielding layer on the second adapter shell; the redundant coupling wires are connected with the core wires which are compensated and extended by the thermocouples.

9. The semi-flexible, semi-armored high performance thermocouple assembly of claim 8, wherein the first insulating material is glass, the second insulating material is epoxy resin glue, and an insulating sleeve is arranged at the joint of the coupling wire and the core wire.

10. The semi-flexible, semi-armored, high performance thermocouple assembly of claim 1, wherein the fixed assembly comprises a mounting seat arranged at the rear end of the clamping tube and fixedly connected with the casing, a clamping tube sleeved on the probe end and fixedly connected with the casing, and a clamping hoop arranged at the thermocouple compensation extension section and fixedly connected with the corresponding pipeline structure of the engine, wherein the clamping tube has a multi-section stepped hole structure.

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