Multi-point multi-branch thermocouple

Abstract

The utility model provides a multi-point multi-branch thermocouple. The multi-point multi-branch thermocouple comprises a movable flange plate arranged on a protective sleeve; the plurality of thermocouple wires are arranged in the protective sleeve; wherein the movable flange plate is provided with a plurality of through holes with different hole diameters, the through holes comprise a first through hole and a second through hole, the protective sleeve penetrates through the first through hole, and sealing gaskets are arranged in the first through hole and the second through hole. By adopting the technical scheme of the invention, simultaneous measurement of temperatures at different positions of equipment with different sizes can be realized, and the reliability and accuracy of the thermocouple under various working conditions are ensured.

Description

Technical Field

[0001] The present application relates to the technical field of thermocouple temperature measurement, and in particular to a multi-point multi-branch thermocouple. Background Art

[0002] In the industrial production process, temperature measurement is a key link to ensure process stability and product quality. Especially in the fields of chemical industry, metallurgy, energy, etc., it is often necessary to accurately measure the temperature at different locations inside the equipment in order to adjust the process parameters in time and prevent production accidents or product quality problems caused by overheating, overcooling or uneven temperature.

[0003] Most existing multi-point temperature measurement systems use multiple independent thermocouples installed separately, which not only increases the complexity of installation and maintenance, but also easily leads to measurement errors due to improper installation positions or differences in thermocouple performance. In addition, the traditional thermocouple fixing method is often relatively fixed, making it difficult to adapt to the needs of thermocouple position adjustment under different working conditions, and cannot be adjusted according to the needs of equipment of different sizes, limiting its flexibility and adaptability. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-point multi-branch thermocouple, which can accurately measure the temperature at different positions of equipment of different sizes under different working conditions by adjusting the movable flange and using thermocouple wires, thereby ensuring its reliability and accuracy.

[0005] In order to achieve the above-mentioned purpose, the present application provides a multi-point multi-branch thermocouple, including: a movable flange plate arranged on a protective sleeve; a plurality of thermocouple wires arranged in the protective sleeve; wherein the movable flange plate is provided with a plurality of through holes with different apertures, the through holes including: a first through hole and a second through hole, the protective sleeve passes through the first through hole, and sealing gaskets are arranged in the first through hole and the second through hole.

[0006] In order to increase the stability and detachable flexibility of the thermocouple, as an option of the multi-point and multi-branch thermocouple of the present application, the through hole also includes: a third through hole, a fourth through hole and a fifth through hole, wherein the third through hole, the fourth through hole and the fifth through hole are used to connect the fixing parts.

[0007] In order to fix the movable flange at the required position to increase stability, as an option of the multi-point multi-branch thermocouple of the present application, the multi-point multi-branch thermocouple also includes: a movable fixing member, which is connected to the movable flange, and a plurality of fixing holes are also arranged on the outer side of the movable fixing member.

[0008] In order to realize multi-point temperature measurement of thermocouples, as an option of the multi-point multi-branch thermocouple of the present application, the protective sleeve is provided with a plurality of openable and closable detection ports at different heights.

[0009] In order to facilitate the transmission and reception of thermocouple signals and protect the signal lines from the influence of the external environment, as an option of the multi-point multi-branch thermocouple of the present application, the multi-point multi-branch thermocouple also includes: a junction box, which is connected to the protective sleeve.

[0010] In order to increase the stability of the protective sleeve, as an option of the multi-point multi-branch thermocouple of the present application, the multi-point multi-branch thermocouple also includes: a first support member, and a plurality of the first support members pass through a corresponding plurality of the second through holes.

[0011] In order to increase the overall stability and durability of the thermocouple and the accuracy of temperature measurement, as an option of the multi-point multi-branch thermocouple of the present application, the multi-point multi-branch thermocouple also includes: a second support member, which is arranged at the bottom end of the protective sleeve and is connected to the first support member and the protective sleeve.

[0012] The beneficial effects of this application are:

[0013] The multi-point and multi-branch thermocouple provided by the technical solution of the present application comprises: a movable flange arranged on a protective sleeve, wherein the protective sleeve ensures that the thermocouple inside it is not affected by the external environment, and the movable flange can be adjusted to different positions of the equipment for fixing according to different needs. Compared with traditional thermocouples, its installation and disassembly are more flexible and easy to maintain, and it can also meet the temperature measurement requirements of equipment of different sizes; and a plurality of thermocouple wires arranged in the protective sleeve can realize simultaneous measurement of the temperature of different positions of the equipment through openable and closable probe ports of different heights opened on the protective sleeve; wherein the movable flange is provided with a plurality of through holes of different apertures, and the through holes include: a first through hole and a second through hole, the protective sleeve passes through the first through hole, and sealing gaskets are arranged in the first through hole and the second through hole, and the sealing gasket can provide pressure through the fixing part connected by the third through hole and the fourth through hole, so as to further increase the sealing performance of the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a multi-point multi-branch thermocouple;

[0015] Figure 2 It is a cross-sectional schematic diagram of a multi-point multi-branch thermocouple;

[0016] Figure 3 for Figure 1 The structural diagram at a in the middle;

[0017] Description of reference numerals:

[0018] 100. Protective sleeve;

[0019] 200, removable flange;

[0020] 300, Thermocouple wire;

[0021] 400, through hole; 401, first through hole; 402, second through hole; 403, third through hole;

[0022] 404, fourth through hole; 405, fifth through hole;

[0023] 500, sealing gasket;

[0024] 600, fixing piece; 601, fixing hole;

[0025] 700. Openable and closable exploration exit;

[0026] 800, junction box;

[0027] 900, first support member;

[0028] 1000. A second support member. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0031] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0032] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. The terms "plurality" and "several" refer to more than two (including two).

[0033] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "set", "provided with", "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0034] The inventor of this application has proposed a multi-point multi-branch thermocouple, referring to Figure 1-Figure 3 , Figure 1 A schematic diagram of the structure of a multi-point multi-branch thermocouple provided in an embodiment of the present application; Figure 2 A cross-sectional schematic diagram of a multi-point multi-branch thermocouple provided in an embodiment of the present application, Figure 3 for Figure 1 Schematic diagram of the structure at a in the figure.

[0035] Reference Figure 1 , Figure 3 The multi-point multi-branch thermocouple provided in the present application comprises: a movable flange 200 arranged on a protective sleeve 100, wherein the protective sleeve ensures that the thermocouple inside it is not affected by the external environment, and the protective sleeve 100 is provided with a plurality of openable and closable probe ports 700 at different heights, and the movable flange can be adjusted to different positions of the equipment according to different needs, and compared with traditional thermocouples, its installation and disassembly are more flexible and easy to maintain, and it can also meet the temperature measurement requirements of equipment of different sizes; the multi-point multi-branch thermocouple also includes a plurality of thermocouple wires 300 arranged in the protective sleeve 100, and the thermocouple wires 300 can be probed out from the openable and closable probe ports 700 at different heights on the protective sleeve 100, thereby realizing simultaneous temperature measurement at different positions of the equipment;

[0036] In a further embodiment of the present application, the movable flange 200 is provided with a plurality of through holes 400 of different apertures, and the through holes 400 include: a first through hole 401 and a second through hole 402, and the protective sleeve 100 passes through the first through hole 401, thereby the multi-point multi-branch thermocouple can be fixed to an appropriate position by adjusting the position of the movable flange 200, wherein the first through hole 401 and the second through hole 402 are provided with sealing gaskets 500, and the specific structure can be referred to Figure 2 .

[0037] The embodiments of the present application will be illustrated by specific examples, such as measuring the temperature at different positions inside a small urea synthesis tower: the multi-point multi-branch thermocouple is placed in the small urea synthesis tower, and by comparing the size of the multi-point multi-branch thermocouple with that of the small urea synthesis tower, the movable flange 200 is moved to an appropriate position and fixed to the inner wall of the small urea synthesis tower. The multiple thermocouple wires 300 in the protective sleeve 100 can simultaneously measure different temperatures in the small urea synthesis tower through multiple openable and closable probe ports 700 of different heights provided on the protective sleeve 100. At the same time, sealing gaskets 500 are provided in the first through hole 401 and the second through hole 402. The sealing gaskets 500 ensure their sealing properties and prevent external media from entering the protective sleeve 100 and affecting the performance of the thermocouple wires.

[0038] Continue to refer to Figure 1-Figure 3 In a further embodiment of the present application, the through hole 400 also includes: a third through hole 403, a fourth through hole 404 and a fifth through hole 405, wherein the third through hole 403, the fourth through hole 404 and the fifth through hole 405 are used to connect fixing parts. When the movable flange 200 is fixed in an appropriate position through the third through hole 403, the fourth through hole 404 and the fifth through hole 405 are respectively connected to fixing parts of corresponding sizes, thereby tightening the sealing gasket 500 to further increase the sealing performance. Optionally, the fixing parts of corresponding sizes can be screws of corresponding sizes.

[0039] Continue to refer to Figure 1-Figure 3 In a further embodiment of the present application, the multi-point multi-branch thermocouple also includes: a movable fixing part 600, the movable fixing part 600 is connected to the movable flange 200, and a plurality of fixing holes 601 are further provided on the outer side of the movable fixing part 600. When the movable flange 200 is moved to an appropriate position, the movable flange 200 and the protective sleeve 100 can be further fixed by the fixing holes 601 provided on the outer side of the movable fixing part 600 to improve stability. Optionally, a screw can be screwed into the fixing hole 601 for fixing.

[0040] Continue to refer to Figure 1-Figure 3 In a further embodiment of the present application, the multi-point multi-branch thermocouple also includes: a junction box 800, which is connected to the protective sleeve 100 and is used to lead out the thermocouple signal and connect external equipment to convert the measured temperature signal into a thermoelectromotive force signal.

[0041] Continue to refer to Figure 1-Figure 3 In a further embodiment of the present application, the multi-point multi-branch thermocouple also includes: a first support member 900, and several of the first support members 900 pass through the corresponding several of the second through holes 402, which can better enhance the stability of the structure. At the same time, the sealing gasket 500 arranged in the second through hole 402 also ensures the sealing performance.

[0042] Continue to refer to Figure 1-Figure 3 In a further embodiment of the present application, the multi-point multi-branch thermocouple also includes: a second support member 1000, which is arranged at the bottom end of the protective sleeve 100 and is connected to the first support member 900 and the protective sleeve 100, thereby forming a stable support structure to ensure the stability of the thermocouple during the measurement process.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A multi-point multi-branch thermocouple, characterized in that: include: A movable flange (200) disposed on the protective sleeve (100); A plurality of thermocouple wires (300) arranged in the protective sleeve (100); The movable flange (200) is provided with a plurality of through holes (400) with different apertures, and the through holes (400) include: a first through hole (401) and a second through hole (402), the protective sleeve (100) passes through the first through hole (401), and sealing gaskets (500) are provided in the first through hole (401) and the second through hole (402).

2. The multi-point multi-branch thermocouple according to claim 1, characterized in that: The through hole (400) further comprises: a third through hole (403), a fourth through hole (404) and a fifth through hole (405), wherein the third through hole (403), the fourth through hole (404) and the fifth through hole (405) are used to connect a fixing member.

3. The multi-point multi-branch thermocouple according to claim 1, characterized in that: The multi-point multi-branch thermocouple further comprises: a movable fixing member (600), wherein the movable fixing member (600) is connected to the movable flange (200), and a plurality of fixing holes (601) are further arranged on the outer side of the movable fixing member (600).

4. The multi-point multi-branch thermocouple according to claim 1, characterized in that: The protective sleeve (100) is provided with a plurality of openable and closable detection openings (700) at different heights.

5. The multi-point multi-branch thermocouple according to claim 1, characterized in that: The multi-point multi-branch thermocouple further comprises: a junction box (800), wherein the junction box (800) is connected to the protective sleeve (100).

6. The multi-point multi-branch thermocouple according to claim 1, characterized in that: The multi-point multi-branch thermocouple further comprises: a first support member (900), and a plurality of the first support members (900) pass through a corresponding plurality of the second through holes (402).

7. The multi-point multi-branch thermocouple according to claim 6, characterized in that: The multi-point multi-branch thermocouple further comprises: a second support member (1000), wherein the second support member (1000) is arranged at the bottom end of the protective sleeve (100) and is connected to the first support member (900) and the protective sleeve (100).

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