Temperature measuring instrument with integrated mounting base and mounting structure thereof
Patent Information
- Application Number
- CN202522139800.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-10
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-10
AI Technical Summary
其次温度仪表与安装座通过螺纹连接，长期运行中可能出现螺纹松动或密封不严的情况，导致工艺介质泄漏，给生产过程的安全运行带来隐患
[0013]本申请实施例的第一方面提供的集成安装座的温度测量仪表，包括所述温度测量仪表本体和集成于其上的安装座，所述温度测量仪表本体包括测温元件和包覆于所述测温元件外的保护套管，所述安装座用于与工艺管道外壁固定，所述温度测量仪表本体用于探入所述工艺管道的安装孔内以进行温度测量。由于温度测量仪表本体与安装座为整体锻造结构，消除了传统螺纹连接所带来的密封隐患。现场安装时无需将温度测量仪表本体拧入单独的安装座，减少了施工工序；同时，温度测量仪表本体可通过安装座直接焊接固定在管道上，避免了螺纹连接可能导致的介质泄漏风险，显著提高了系统运行的安全可靠性。此外，整体锻造的结构还提高了温度仪表的机械强度和抗振性能，在高温高压和强振动的环境中更加耐用。
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Figure CN224839172U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of instrumentation technology, specifically to a temperature measuring instrument with an integrated mounting base and its mounting structure. Background Technology
[0002] In industrial production processes such as thermal power plants, temperature is one of the key process parameters, and various temperature measuring instruments are widely used for temperature monitoring in equipment such as boilers, steam turbines, and pipelines. Traditional contact temperature measurement typically involves drilling holes in the process pipeline or equipment and welding mounting brackets to fix the temperature measuring instruments (such as thermocouples and resistance temperature detectors) to the mounting brackets. A typical practice is to weld a mounting bracket with internal threads to the outer wall of the pipeline, and then screw the assembled temperature instrument with external threads into the mounting bracket to achieve the installation of the temperature instrument.
[0003] However, this traditional method of installing internally threaded mounting brackets has several drawbacks. First, after the mounting bracket is welded to the process pipeline on-site, the temperature measuring instrument needs to be screwed into the bracket. Second, the temperature instrument and mounting bracket are connected by threads, and over long-term operation, the threads may loosen or the seal may fail, leading to leakage of the process medium and posing a threat to the safe operation of the production process. This is especially true in thermal power plants, where the medium inside the pipeline often has high-temperature and high-pressure characteristics; once a leak occurs, the consequences are unimaginable. Furthermore, the threaded connection may loosen due to thermal expansion and contraction and mechanical vibration under high-temperature and vibration environments, requiring regular inspection and tightening, increasing maintenance workload and costs.
[0004] To address the aforementioned issues, it is necessary to offer a wider range of temperature measuring instrument designs to meet the needs of various production processes. In recent years, with the development of industrial automation technology, higher demands have been placed on the reliability and ease of installation of measuring instruments. In thermal power plants, thermal instruments, as a crucial component of the production system, are receiving increasing attention for their automation and reliability characteristics. Improving the installation structure of temperature measuring instruments and enhancing their sealing performance and ease of installation are of great significance for ensuring the safe and stable operation of power plants. Utility Model Content
[0005] In view of this, the present application provides a temperature measuring instrument with an integrated mounting base and its mounting structure, which has a simple structure, high installation reliability, improved sealing performance and ease of installation.
[0006] A first aspect of this application provides a temperature measuring instrument with an integrated mounting base, including a temperature measuring instrument body and a mounting base integrated thereon. The temperature measuring instrument body includes a temperature sensing element and a protective sleeve covering the temperature sensing element. The mounting base is used to fix to the outer wall of a process pipeline, and the temperature measuring instrument body is used to insert into the mounting hole of the process pipeline to perform temperature measurement.
[0007] In one embodiment, the protective sleeve is disposed at the end of the temperature measuring instrument body, and the mounting base is integrated on the top of the protective sleeve, forming a seamless integral structural component with the protective sleeve.
[0008] In one embodiment, the mounting base has a bottom surface adapted to the shape of the outer wall of the process pipe, the bottom surface being used for fixed connection with the outer wall of the process pipe.
[0009] In one embodiment, the protective sleeve is either straight or tapered.
[0010] In one embodiment, the outer edge of the mounting base is provided with a welding bevel.
[0011] In one embodiment, the top surface of the mounting base protrudes beyond the surface of the insulation layer of the process pipeline.
[0012] A second aspect of this application provides a temperature measuring instrument mounting structure with an integrated mounting base, including a process pipeline and a temperature measuring instrument as described in the first aspect of this application. The process pipeline has a mounting hole, and the temperature measuring instrument is welded and fixed to the outer wall of the process pipeline through the mounting base. The body of the temperature measuring instrument is inserted into the mounting hole of the process pipeline to perform temperature measurement.
[0013] The first aspect of this application provides a temperature measuring instrument with an integrated mounting base, comprising a temperature measuring instrument body and a mounting base integrated thereon. The temperature measuring instrument body includes a temperature sensing element and a protective sleeve covering the temperature sensing element. The mounting base is used to fix it to the outer wall of a process pipeline, and the temperature measuring instrument body is used to insert into a mounting hole in the process pipeline for temperature measurement. Because the temperature measuring instrument body and the mounting base are integrally forged, the sealing risks associated with traditional threaded connections are eliminated. During on-site installation, there is no need to screw the temperature measuring instrument body into a separate mounting base, reducing construction steps. Simultaneously, the temperature measuring instrument body can be directly welded to the pipeline via the mounting base, avoiding the risk of media leakage that may occur with threaded connections, significantly improving the safety and reliability of system operation. Furthermore, the integral forged structure also improves the mechanical strength and vibration resistance of the temperature instrument, making it more durable in high-temperature, high-pressure, and strong-vibration environments.
[0014] It is understandable that the beneficial effects of the second aspect mentioned above can be found in the relevant descriptions in the first aspect mentioned above, and will not be repeated here. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the structure of a temperature measuring instrument with an integrated mounting base provided in one embodiment of this application. Detailed Implementation
[0017] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application may also be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of this application with unnecessary detail.
[0018] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.
[0019] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0020] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.
[0021] like Figure 1 As shown in the figure, the embodiment of this application provides a temperature measuring instrument with an integrated mounting base, including a temperature measuring instrument body 3 and a mounting base 4 integrated thereon. The temperature measuring instrument body 3 includes a temperature measuring element (not shown in the figure) and a protective sleeve 301 covering the temperature measuring element. The mounting base 4 is used to fix to the outer wall of the process pipeline 1. The temperature measuring instrument body 3 is used to insert into the mounting hole 2 of the process pipeline 1 to perform temperature measurement.
[0022] In application, the integrated mounting base temperature measuring instrument structure includes a conventional temperature measuring instrument body 3 (including a temperature sensing element and a protective sleeve 301) and a mounting base 4 integrated thereon. The temperature sensing element inside the temperature measuring instrument body 3 can be a common thermocouple or resistance temperature detector (RTD), with a protective sleeve 301. The front end of the protective sleeve 301 is inserted into the measured medium for temperature sensing. The mounting base 4 is integrally forged around the protective sleeve 301 of the temperature measuring instrument body 3, forming a seamless, integrated structure. The mounting base is typically an annular boss, with an outer diameter equal to the diameter of the mounting hole on the process pipeline plus 40-50 mm. The height of the mounting base is generally 50-70 mm. After the protective sleeve at the front end of the temperature measuring instrument body 3 is inserted into the process pipeline 1, the integrated mounting base 4's bottom structure can fit snugly against the pipeline's outer wall. During factory manufacturing, the temperature measuring instrument body 3 and the mounting base 4 are integrally forged into a non-removable unit. This process ensures the connection strength and sealing performance between the mounting base and the temperature instrument's protective sleeve, eliminating any threads or other detachable interfaces.
[0023] In one embodiment, the protective sleeve 301 is disposed at the end of the temperature measuring instrument body 3, and the mounting base 4 is integrated on the outer periphery of the protective sleeve 301, forming a seamless integral structure with the protective sleeve 301.
[0024] In one embodiment, the mounting base 4 has a bottom surface 5 that is adapted to the shape of the outer wall of the process pipe 1, and the bottom surface 5 is used to fix it to the outer wall of the process pipe 1 by full-circumference welding 6.
[0025] In application, in order to achieve a tight fit between the bottom surface 5 and the outer wall of the process pipe 1, the bottom surface 5 can be set as a saddle shape.
[0026] In one embodiment, the protective sleeve 301 is either straight or tapered.
[0027] In one embodiment, the outer edge of the mounting base 4 is provided with a welding bevel.
[0028] In one embodiment, the top surface of the mounting base 4 protrudes beyond the surface of the insulation layer of the process pipe 1.
[0029] This application embodiment also provides a temperature measuring instrument mounting structure with an integrated mounting base, including a process pipeline 1 and a temperature measuring instrument as described in any of the above embodiments. The process pipeline 1 is provided with a mounting hole 2. The temperature measuring instrument is welded and fixed to the outer wall of the process pipeline 1 through a mounting base 4, and the temperature measuring instrument body 3 is inserted into the mounting hole 2 of the process pipeline 1 to perform temperature measurement.
[0030] In application, the diameter D of the mounting hole 2 is slightly larger than the inner diameter d of the protective sleeve by 2-3 mm, the inner diameter d of the protective sleeve 301 is about 25 mm, and the outer diameter of the mounting base 4 is about 70 mm.
[0031] In application, when installing the above-mentioned temperature measuring instrument mounting structure on-site, firstly, a mounting hole 2 is made on the process pipeline 1 where the temperature to be measured according to the design dimensions. The diameter D of the mounting hole is slightly larger than the outer diameter d of the protective sleeve of the temperature measuring instrument to ensure that the instrument can be smoothly inserted and reliably fixed. Insert the front end of the protective sleeve 301 of the temperature measuring instrument with the integrated mounting base into the mounting hole 2 from the outside of the pipeline, so that the temperature sensing part of the instrument (the lower end of the protective sleeve) extends into the process pipeline to an appropriate depth. l (For non-high temperature and high pressure processes, the protective sleeve should be inserted slightly beyond the centerline of the pipe, but less than or equal to 300mm), while the mounting base should be tightly attached to the outer wall of the pipe. Then, weld around the circumference along the contact point between the mounting base and the outer wall of the pipe to form weld fixing point 6, firmly fixing the temperature measuring instrument to the pipe. The distance from the upper part of the mounting base of the temperature measuring instrument to the bottom of the protective sleeve is L, generally based on the thickness of the insulation layer of the process pipeline and not less than... l Considering +80mm, the length H from the top of the mounting bracket to the bottom of the junction box of the temperature measuring instrument is approximately 70mm.
[0032] Because this invention integrates the temperature measuring instrument and the mounting base into one unit, it eliminates the step of screwing the temperature measuring instrument into a conventional independent mounting base, simplifying the construction process. More importantly, the temperature measuring instrument is directly connected to the process pipeline by welding, eliminating the loosening and leakage problems that may occur with threaded connections, and improving the safety of system operation.
[0033] With the integrated mounting structure of this utility model, the temperature instrument can operate stably for a long time, reducing measurement failures and downtime for maintenance caused by installation problems.
[0034] It should be noted that in practical applications, appropriate materials and specifications should be selected to manufacture the temperature measuring instrument and mounting base of this utility model according to the temperature, pressure, and corrosion characteristics of the measured medium. For example, for high-temperature and high-pressure steam environments, stainless steel or alloy materials can be used for integral forging; for corrosive media, appropriate corrosion-resistant alloy materials should be selected to ensure the durability of the structure and the accuracy of the measurement.
[0035] In summary, the integrated mounting base temperature measuring instrument structure of this utility model effectively solves the shortcomings of traditional internal thread mounting bases by integrating the temperature measuring instrument with the mounting base, thereby improving the reliability and safety of temperature measurement and having broad application prospects in industrial fields such as thermal power plants.
[0036] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.
[0037] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.
Claims
1. A temperature measuring instrument with an integrated mounting base, characterized in that, The instrument includes a temperature measuring instrument body (3) and a mounting base (4) integrated thereon. The temperature measuring instrument body (3) includes a temperature measuring element and a protective sleeve (301) covering the temperature measuring element. The mounting base (4) is used to fix the instrument to the outer wall of the process pipeline (1). The temperature measuring instrument body (3) is used to insert into the mounting hole (2) of the process pipeline (1) to perform temperature measurement.
2. The temperature measuring instrument as described in claim 1, characterized in that, The mounting base (4) is integrated on the outer periphery of the protective sleeve (301) and forms a seamless integrated structural component with the protective sleeve (301).
3. The temperature measuring instrument as described in claim 1, characterized in that, The mounting base (4) has a bottom surface (5) that is adapted to the shape of the outer wall of the process pipe (1), and the bottom surface (5) is used to be fixed to the outer wall of the process pipe (1) by full-circumference welding (6).
4. The temperature measuring instrument as described in claim 1, characterized in that, The protective sleeve (301) is either straight or tapered.
5. The temperature measuring instrument as described in claim 1, characterized in that, The outer edge of the mounting base (4) is provided with a welding bevel.
6. The temperature measuring instrument as described in claim 1, characterized in that, The top surface of the mounting base (4) protrudes from the surface of the insulation layer of the process pipeline (1).
7. A mounting structure for a temperature measuring instrument with an integrated mounting base, characterized in that, The instrument includes a process pipeline (1) and a temperature measuring instrument as described in any one of claims 1 to 6. The process pipeline (1) is provided with a mounting hole (2). The temperature measuring instrument is welded and fixed to the outer wall of the process pipeline (1) through the mounting base (4). The body (3) of the temperature measuring instrument is inserted into the mounting hole (2) of the process pipeline (1) to perform temperature measurement.