CN116625536A - High-precision temperature measuring instrument - Google Patents

High-precision temperature measuring instrument Download PDF

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Publication number
CN116625536A
CN116625536A CN202310619622.1A CN202310619622A CN116625536A CN 116625536 A CN116625536 A CN 116625536A CN 202310619622 A CN202310619622 A CN 202310619622A CN 116625536 A CN116625536 A CN 116625536A
Authority
CN
China
Prior art keywords
ring
support
pipe section
sleeve
vibration reduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310619622.1A
Other languages
Chinese (zh)
Inventor
华启国
梁福秋
曹爱民
王兰
陈萍
计昊
梁钰
李婷
潘海东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Tiankang Group Co Ltd
Original Assignee
Anhui Tiankang Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Tiankang Group Co Ltd filed Critical Anhui Tiankang Group Co Ltd
Priority to CN202310619622.1A priority Critical patent/CN116625536A/en
Publication of CN116625536A publication Critical patent/CN116625536A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • 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
    • 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
    • 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
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The application relates to the technical field of measuring instruments, in particular to a high-precision temperature measuring instrument, which comprises a display gauge head, wherein one end of the display gauge head is detachably connected with a support sleeve, and the support sleeve comprises a detection pipe section inserted into a pipeline to be detected and a support pipe section connected with the display gauge head; a mounting flange is arranged at one end, close to the supporting pipe section, of the detection pipe section, and a heat insulation structure is arranged between the mounting flange and the supporting pipe section; the support sleeve is characterized in that a thermocouple element is arranged on the inner side of the support sleeve, a first vibration reduction assembly for reducing vibration of the thermocouple element is arranged on the inner side of the support sleeve and positioned at one end close to the mounting flange, and a second vibration reduction assembly is arranged on the inner side of the support sleeve and positioned at one end close to the display gauge head. The temperature and vibration force of the pipeline to be measured can be isolated in the working process, and the accuracy and the service life of the temperature measuring instrument are improved.

Description

High-precision temperature measuring instrument
Technical Field
The application relates to the technical field of measuring instruments, in particular to a high-precision temperature measuring instrument.
Background
The temperature measuring instrument is an industrial automation instrument for measuring the cold and hot degree of an object. At present, in the production process of petrochemical enterprises, a thermocouple temperature measuring device is needed for measuring the temperature of high-pressure pipelines, high-corrosiveness medium pipelines, high-temperature pipelines and the like in the field.
For the high-temperature pipeline, when the temperature of the high-temperature pipeline is measured, the detection end needs to extend into the inner side of the high-temperature pipeline, so that the temperature in the pipeline is measured. In the temperature measurement process, because the temperature of the inner side of the pipeline is higher, the high temperature can be transmitted to the instrument head in the use process, meanwhile, certain vibration can be generated in the working process of equipment where the pipeline is positioned, the accuracy of the instrument head can be influenced by the temperature rise and the vibration received by the instrument head in the use process, and the service life of elements in the instrument head can be influenced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the high-precision temperature measuring instrument, which can isolate the temperature and vibration force of the pipeline to be measured in the working process, and improve the precision and the service life of the temperature measuring instrument.
(II) technical scheme
In order to achieve the above purpose, the embodiment of the application provides a high-precision temperature measuring instrument, which comprises a display gauge head, wherein one end of the display gauge head is detachably connected with a support sleeve, and the support sleeve comprises a detection pipe section inserted into a pipeline to be detected and a support pipe section connected with the display gauge head; a mounting flange is arranged at one end, close to the supporting pipe section, of the detection pipe section, and a heat insulation structure is arranged between the mounting flange and the supporting pipe section; the support sleeve is characterized in that a thermocouple element is arranged on the inner side of the support sleeve, a first vibration reduction assembly for reducing vibration of the thermocouple element is arranged on the inner side of the support sleeve and positioned at one end close to the mounting flange, and a second vibration reduction assembly is arranged on the inner side of the support sleeve and positioned at one end close to the display gauge head.
Preferably, the mounting flange comprises a flange plate, the middle part of the flange plate is sunken to one side to form a connecting seat, and the middle part of the connecting seat is fixedly connected with the detection pipe section; and an inwards concave mounting cavity is formed on one side of the connecting seat, which is close to the display gauge outfit, and the heat insulation structure is positioned in the mounting cavity.
Preferably, the heat insulation structure comprises a heat insulation sleeve which is connected in the installation cavity in a threaded manner, and a first sealing gasket is arranged between the bottom of the heat insulation sleeve and the bottom of the installation cavity; the section of the thermal insulation sleeve is U-shaped, an opening is formed at one end of the thermal insulation sleeve, which is close to the display gauge head, a central hole is formed at one end of the thermal insulation sleeve, which is far away from the display gauge head, and the thermocouple element penetrates through the central hole; the outside of support pipe section just is located the one end integrated into one piece who keeps away from the display gauge outfit has the spliced pole, the spliced pole with thermal-insulated sleeve inboard threaded connection.
Preferably, an inner support ring and an outer support ring are arranged at the inner side of the heat insulation sleeve and positioned at the bottom of the connecting column, the thickness of the inner support ring is the same as that of the outer support ring, the outer support ring is positioned at the outer side of the inner support ring, and a second sealing gasket is arranged between the inner support ring and the outer support ring; the inner diameter of the inner support ring is smaller than that of the support pipe section, and one end of the first vibration reduction assembly is abutted to the inner support ring.
Preferably, the first vibration reduction assembly comprises a limiting ring fixed in the support pipe section, an elastic rubber ring is arranged between the limiting ring and the inner support ring, the elastic rubber ring is sleeved on the thermocouple element, the inner diameter of the elastic rubber ring is smaller than the diameter of the thermocouple element, and the outer side of the elastic rubber ring is elastically abutted against the inner wall of the support pipe section.
Preferably, an upper abutting ring is arranged on one side, close to the limiting ring, of the elastic rubber ring, a lower abutting ring is arranged on one side, close to the inner supporting ring, of the elastic rubber ring, the outer diameters of the upper abutting ring and the lower abutting ring are smaller than the inner diameter of the supporting pipe section, and the inner diameter is larger than the outer diameter of the thermocouple element; a first damping spring and a second damping spring are arranged on the outer side of the thermocouple element; one end of the first damping spring is abutted against the upper abutment ring, the other end of the first damping spring is abutted against the limiting ring, one end of the second damping spring is abutted against the lower abutment ring, and the other end of the second damping spring is abutted against the inner supporting ring.
Preferably, the second vibration damping assembly comprises a connecting sleeve and a third vibration damping spring, the connecting sleeve is in threaded connection with one end of the support pipe section, which is close to the display gauge outfit, a support step is arranged on the inner side of the support sleeve, a buffer plate is fixedly arranged on the outer side of the thermocouple element, the buffer plate is located on the support step, the third vibration damping spring is located on one side surface of the buffer plate, which is far away from the support step, and one end of the third vibration damping spring is abutted to the buffer plate, and the other end of the third vibration damping spring is abutted to the end of the connecting sleeve.
Preferably, a vibration reduction pad is arranged on the upper side of the supporting step, and the buffer plate is abutted to the vibration reduction pad.
(III) beneficial effects
The application provides a high-precision temperature measuring instrument, which is arranged on a pipeline to be detected to detect temperature when in operation. In the detection process, the temperature on the pipeline to be detected is isolated through the arranged heat insulation structure, the flange plate can be insulated from the outside, the inner side of the support pipe section can be isolated through the arranged first vibration reduction assembly, heat propagation is reduced, and meanwhile, the thermocouple element is elastically supported, so that a vibration reduction effect is achieved. And the second vibration reduction assembly is used for carrying out secondary vibration reduction, so that the accuracy of temperature measurement of the measuring instrument is improved, and the service life of the measuring instrument is prolonged.
Drawings
FIG. 1 is a schematic diagram of a high-precision temperature measuring instrument according to the present application;
FIG. 2 is a cross-sectional view of a protruding insulation structure in a high-precision temperature measuring instrument according to the present application;
FIG. 3 is a cross-sectional view of a protruding first vibration reduction assembly of a high precision temperature measurement instrument according to the present application;
fig. 4 is a schematic view of a second vibration damping assembly of the high-precision temperature measuring instrument according to the present application.
The reference numerals in the drawings:
100. displaying a gauge head; 200. a support sleeve; 210. detecting a pipe section; 220. supporting the pipe section; 230. a mounting flange; 231. a flange plate; 232. a connecting seat; 233. a mounting cavity; 300. a heat insulating structure; 310. a thermal sleeve; 311. a central bore; 320. a first gasket; 330. a connecting column; 340. an inner support ring; 350. an outer support ring; 360. a second gasket; 400. a thermocouple element; 500. a first vibration damping assembly; 510. a limiting ring; 520. an elastic rubber ring; 530. an upper abutment ring; 540. a lower abutment ring; 550. a first damper spring; 560. a second damper spring; 600. a second vibration damping assembly; 610. a connection sleeve; 620. a third damper spring; 630. a support step; 640. a buffer plate; 650. and a vibration damping pad.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
The application provides a high-precision temperature measuring instrument, referring to fig. 1-4, comprising a display gauge outfit 100, wherein one end of the display gauge outfit 100 is detachably connected with a support sleeve 200, and the support sleeve 200 comprises a detection pipe section 210 inserted into a pipeline to be detected and a support pipe section 220 connected with the display gauge outfit 100; the end of the detection pipe section 210, which is close to the support pipe section 220, is provided with a mounting flange 230, and a heat insulation structure 300 is arranged between the mounting flange 230 and the support pipe section 220; the thermocouple element 400 is arranged on the inner side of the support sleeve 200, the first vibration damping assembly 500 for damping the thermocouple element 400 is arranged on the inner side of the support tube section 220 and positioned at one end close to the mounting flange 230, and the second vibration damping assembly 600 is arranged on the inner side of the support sleeve 200 and positioned at one end close to the display gauge outfit 100. During operation, the measuring instrument is installed on the pipeline to be detected to detect the temperature. In the detection process, the temperature on the pipeline to be detected is isolated through the arranged heat insulation structure 300, and the vibration is damped through the first vibration damping assembly 500 and the second vibration damping assembly 600, so that the accuracy of measuring the temperature of the measuring instrument is improved, and the service life of the measuring instrument is prolonged.
The mounting flange 230 includes a flange 231, and a connecting seat 232 is formed by recessing the middle of the flange 231 toward one side, and the middle of the connecting seat 232 is fixedly connected with the detecting pipe section 210. The connecting base 232 has a concave mounting cavity 233 formed on a side thereof adjacent to the display gauge outfit 100, and the heat insulation structure 300 is disposed in the mounting cavity 233.
The insulating structure 300 includes an insulating sleeve 310 threadedly coupled within the mounting cavity 233, with a first gasket 320 disposed between the bottom of the insulating sleeve 310 and the bottom of the mounting cavity 233. The cross section of the thermal insulation sleeve 310 is U-shaped, an opening is formed at one end of the thermal insulation sleeve 310 close to the display gauge outfit 100, a central hole 311 is formed at one end far away from the display gauge outfit 100, and the thermocouple element 400 penetrates through the central hole 311. The outer side of the support pipe section 220 and the end far away from the display gauge outfit 100 are integrally formed with a connecting post 330, and the connecting post 330 is in threaded connection with the inner side of the heat insulation sleeve 310. The high temperature of the underside of the mounting flange 230 is isolated by the provision of the insulating sleeve 310, reducing heat transfer to the upper end.
An inner support ring 340 and an outer support ring 350 are arranged at the inner side of the heat insulation sleeve 310 and positioned at the bottom of the connecting column 330, the inner support ring 340 and the outer support ring 350 have the same thickness, the outer support ring 350 is positioned at the outer side of the inner support ring 340, and a second sealing gasket 360 is arranged between the inner support ring 340 and the outer support ring 350; the inner diameter of the inner support ring 340 is smaller than the inner diameter of the support tube section 220, and one end of the first vibration damping assembly 500 abuts against the inner support ring 340. By providing the second gasket 360, the test tube segment 210 may be sealed while the first damper assembly 500 is supported by the inner support ring 340.
The first vibration damping assembly 500 comprises a limiting ring 510 fixed in the support pipe section 220, an elastic rubber ring 520 is arranged between the limiting ring 510 and the inner support ring 340, the elastic rubber ring 520 is sleeved on the thermocouple element 400, the inner diameter of the elastic rubber ring 520 is smaller than the diameter of the thermocouple element 400, and the outer side of the elastic rubber ring 520 is elastically abutted against the inner wall of the support pipe section 220.
An upper abutting ring 530 is arranged on one side of the elastic rubber ring 520, which is close to the limiting ring 510, a lower abutting ring 540 is arranged on one side of the elastic rubber ring 520, which is close to the inner supporting ring 340, the outer diameters of the upper abutting ring 530 and the lower abutting ring 540 are smaller than the inner diameter of the supporting pipe section 220, and the inner diameter is larger than the outer diameter of the thermocouple element 400.
A first damper spring 550 and a second damper spring 560 are provided at the outer side of the thermoelement 400; one end of the first damper spring 550 abuts against the upper abutment ring 530, the other end abuts against the stopper ring 510, one end of the second damper spring 560 abuts against the lower abutment ring 540, and the other end abuts against the inner support ring 340.
The elastic rubber ring 520 is elastically supported by the first vibration reduction spring 550 and the second vibration reduction spring 560, so that the elastic rubber ring 520 can seal the inner side of the support pipe section 220 to prevent hot air from extending upwards, and simultaneously, vibration of the thermocouple element 400 can be reduced by elastically fixing the thermocouple element 400.
The second vibration damping assembly 600 includes a connection sleeve 610 and a third vibration damping spring 620, the connection sleeve 610 is in threaded connection with one end of the support pipe section 220, which is close to the display gauge outfit 100, a support step 630 is provided on the inner side of the support sleeve 200, a buffer plate 640 is fixedly provided on the outer side of the thermocouple element 400, the buffer plate 640 is located on the support step 630, the third vibration damping spring 620 is located on one side surface of the buffer plate 640, which is far away from the support step 630, and one end of the third vibration damping spring 620 is abutted on the buffer plate 640, and the other end is abutted on the end of the connection sleeve 610.
The upper side of the supporting step 630 is provided with a vibration damping pad 650, and the buffer plate 640 is abutted against the vibration damping pad 650.
The application provides a high-precision temperature measuring instrument, which is arranged on a pipeline to be detected to detect temperature when in operation. In the detection process, the heat insulation structure 300 isolates the temperature on the pipeline to be detected, the flange 231 can be insulated from the outside, the inner side of the support pipe section 220 can be isolated through the first vibration reduction assembly 500, heat transmission is reduced, and meanwhile, the thermocouple element 400 is elastically supported, so that a vibration reduction effect is achieved. The second vibration reduction is performed through the second vibration reduction assembly 600, and thus accuracy of temperature measurement of the measuring instrument is improved and service life of the measuring instrument is prolonged.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate 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, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. Embodiments of the application and features of the embodiments may be combined with each other without conflict.
The foregoing examples merely illustrate embodiments of the application and are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (8)

1. A high-precision temperature measuring instrument is characterized in that: the device comprises a display gauge head (100), wherein one end of the display gauge head (100) is detachably connected with a support sleeve (200), and the support sleeve (200) comprises a detection pipe section (210) inserted into a pipeline to be detected and a support pipe section (220) connected with the display gauge head (100);
a mounting flange (230) is arranged at one end, close to the support pipe section (220), of the detection pipe section (210), and a heat insulation structure (300) is arranged between the mounting flange (230) and the support pipe section (220);
the inside of support sleeve (200) is provided with thermocouple element (400), support pipe section (220) inboard and be located be close to one end of mounting flange (230) is provided with first damping subassembly (500) that carries out the shock attenuation to thermocouple element (400), support sleeve (200) inboard and be located be close to one end of showing gauge outfit (100) is provided with second damping subassembly (600).
2. A high precision temperature measurement instrument according to claim 1, wherein: the mounting flange (230) comprises a flange plate (231), the middle part of the flange plate (231) is sunken to one side to form a connecting seat (232), and the middle part of the connecting seat (232) is fixedly connected with the detection pipe section (210);
and a concave installation cavity (233) is formed on one side of the connecting seat (232) close to the display gauge outfit (100), and the heat insulation structure (300) is positioned in the installation cavity (233).
3. A high precision temperature measurement instrument according to claim 2, wherein: the heat insulation structure (300) comprises a heat insulation sleeve (310) which is connected in the installation cavity (233) in a threaded mode, and a first sealing gasket (320) is arranged between the bottom of the heat insulation sleeve (310) and the bottom of the installation cavity (233);
the section of the thermal insulation sleeve (310) is U-shaped, an opening is formed at one end of the thermal insulation sleeve (310) close to the display gauge outfit (100), a central hole (311) is formed at one end far away from the display gauge outfit (100), and the thermocouple element (400) penetrates through the central hole (311);
the outside of support pipe section (220) just is located the one end integrated into one piece who keeps away from show gauge outfit (100) has spliced pole (330), spliced pole (330) with heat-proof sleeve (310) inboard threaded connection.
4. A high accuracy temperature measurement instrument according to claim 3, wherein: an inner supporting ring (340) and an outer supporting ring (350) are arranged at the inner side of the heat insulation sleeve (310) and positioned at the bottom of the connecting column (330), the inner supporting ring (340) and the outer supporting ring (350) are the same in thickness, the outer supporting ring (350) is positioned at the outer side of the inner supporting ring (340), and a second sealing gasket (360) is arranged between the inner supporting ring (340) and the outer supporting ring (350); the inner diameter of the inner support ring (340) is smaller than the inner diameter of the support pipe section (220), and one end of the first vibration reduction assembly (500) is abutted to the inner support ring (340).
5. The high-precision temperature measuring instrument of claim 4, wherein: the first vibration reduction assembly (500) comprises a limiting ring (510) fixed in the support pipe section (220), an elastic rubber ring (520) is arranged between the limiting ring (510) and the inner support ring (340), the elastic rubber ring (520) is sleeved on the thermocouple element (400), the inner diameter of the elastic rubber ring (520) is smaller than the diameter of the thermocouple element (400), and the outer side of the elastic rubber ring (520) is elastically abutted against the inner wall of the support pipe section (220).
6. The high-precision temperature measuring instrument of claim 5, wherein: an upper abutting ring (530) is arranged on one side, close to the limiting ring (510), of the elastic rubber ring (520), a lower abutting ring (540) is arranged on one side, close to the inner supporting ring (340), of the elastic rubber ring (520), the outer diameters of the upper abutting ring (530) and the lower abutting ring (540) are smaller than the inner diameter of the supporting pipe section (220), and the inner diameter is larger than the outer diameter of the thermocouple element (400);
a first damping spring (550) and a second damping spring (560) are arranged on the outer side of the thermocouple element (400); one end of the first damping spring (550) is abutted against the upper abutment ring (530), the other end is abutted against the limiting ring (510), one end of the second damping spring (560) is abutted against the lower abutment ring (540), and the other end is abutted against the inner support ring (340).
7. A high precision temperature measurement instrument according to claim 1, wherein: the second vibration reduction assembly (600) comprises a connecting sleeve (610) and a third vibration reduction spring (620), wherein the connecting sleeve (610) is close to one end threaded connection of the display gauge outfit (100) with the support pipe section (220), a support step (630) is arranged on the inner side of the support sleeve (200), a buffer plate (640) is fixedly arranged on the outer side of the thermocouple element (400), the buffer plate (640) is arranged on the support step (630), the third vibration reduction spring (620) is arranged on one side surface of the buffer plate (640) away from the support step (630), one end of the third vibration reduction spring (620) is abutted to the buffer plate (640), and the other end of the third vibration reduction spring is abutted to the end of the connecting sleeve (610).
8. The high-precision temperature measuring instrument of claim 7, wherein: and a vibration reduction pad (650) is arranged on the upper side of the supporting step (630), and the buffer plate (640) is abutted to the vibration reduction pad (650).
CN202310619622.1A 2023-05-30 2023-05-30 High-precision temperature measuring instrument Pending CN116625536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310619622.1A CN116625536A (en) 2023-05-30 2023-05-30 High-precision temperature measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310619622.1A CN116625536A (en) 2023-05-30 2023-05-30 High-precision temperature measuring instrument

Publications (1)

Publication Number Publication Date
CN116625536A true CN116625536A (en) 2023-08-22

Family

ID=87616766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310619622.1A Pending CN116625536A (en) 2023-05-30 2023-05-30 High-precision temperature measuring instrument

Country Status (1)

Country Link
CN (1) CN116625536A (en)

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