Mounting bracket for fixing double temperature measuring points in wall-attached manner and thermocouple of mounting bracket

Abstract

The utility model discloses a mounting bracket for fixing double temperature measuring points in a wall-attached manner and a thermocouple thereof, which comprises a cylinder body and a torsion spring, and two thermocouple mounting channels are arranged in the cylinder body; a groove is arranged on the outer surface of the cylinder body, a torsion spring is arranged in the groove, one end of the torsion spring is fixedly connected with the rear end of the cylinder body, the other end of the torsion spring is movably arranged in the groove at the front end of the cylinder body, and two sheathed thermocouples are respectively arranged in two thermocouple installation channels of an installation support for fixing double temperature measurement points in a wall-attached mode. And the sheathed thermocouple is fixed by using the fixing jackscrew. According to the technical scheme of the utility model, the top of the torsion spring is contacted with the inner wall of the pipeline to be subjected to temperature measurement, so that the sheathed thermocouple temperature measurement core body positioned at the bottom is positioned at a wall-attached position, and when the temperature measurement core body is pushed and pulled in the pipeline and encounters defects in the pipeline, one end of the torsion spring is in a moving state and has a relatively large moving space; and the inner wall of the pipeline to be subjected to temperature measurement can further compress the torsion spring.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermocouple and thermal resistance temperature measurement, and more specifically, relates to an installation bracket and a thermocouple for wall-mounted fixing of double temperature measurement points. Background Technique

[0002] A thermocouple is a commonly used temperature testing instrument, often used in various occasions or reaction devices that require temperature control, such as chemical reaction kettles, sintering furnaces, etc. In most cases, the thermocouple is used in an insertion manner, that is, the whole thermocouple or the temperature measurement end or the temperature measurement core body of the thermocouple is installed in equipment such as chemical reaction kettles and sintering furnaces to monitor the temperature of the part to be measured. However, in some special fields or certain special positions, wall-mounted temperature monitoring of the surface, especially the inner surface of the pipeline, is required. At this time, it is required to set the temperature sensor (i.e., the thermocouple) on the surface of the pipeline to be measured to achieve temperature measurement. However, for the pipeline or tubular reactor to be measured, the length of the pipeline and the connection points of adjacent pipelines (usually connected by welding) often cause difficulties in wall-mounted installation. For example, the welds cause the inner surface of the pipeline to be uneven, and the long-distance pipeline causes the armored thermocouple to move too long in the pipeline. This requires the use of an installation bracket to fix the temperature measurement point of the thermocouple to the wall. However, the fluid or catalyst participating in the reaction or temperature control needs to use the remaining space in the pipeline for transportation, and the bracket will cause a certain blockage to the fluid or catalyst participating in the reaction or temperature control transported through the tubular structure, resulting in slow transportation or even abnormal transportation, thereby affecting the temperature control of the reaction or the normal progress of the reaction.

[0003] To solve these problems, the applicant's research team has successively developed a variety of installation brackets and supporting thermocouples that can achieve wall mounting, such as "Thermocouple Installation Bracket Based on Bimetallic Strip and Thermocouple Using This Bracket" (Application No. 2019211449296, application date is July 17, 2019, authorization announcement date is April 28, 2020), "Spring Top Wall-Mounted Support Clamp and Thermocouple Using This Clamp" (Application No. 2020215635520, application date is July 31, 2020, authorization announcement date is March 23, 2021), "Roller-Type Wall-Mounted Expansion Clamp and Its Thermocouple" (Application No. 2022208355007, application date is April 12, 2022, authorization announcement date is September 27, 2022). However, in recent practical applications, customers have put forward more stringent safety requirements, that is, at a certain position to be measured, at least two temperature measurement points are required. Once one of them fails, the other can still maintain the temperature measurement state. At this time, the diameter of the pipeline to be measured is relatively smaller, which requires further reducing the volume of the installation bracket and the supporting thermocouple. Content of the Utility Model

[0004] The purpose of the present utility model is to overcome the deficiencies of the prior art and provide an installation bracket and a thermocouple for wall-mounted fixation of two temperature measurement points.

[0005] The technical purpose of the present utility model is achieved through the following technical solutions.

[0006] The installation bracket for wall-mounted fixation of two temperature measurement points includes a cylinder body and a torsion spring, where:

[0007] The cylinder body includes a front end and a rear end of the cylinder body. From the rear end to the front end of the cylinder body, two thermocouple installation channels are arranged inside the cylinder body;

[0008] From the rear end to the front end of the cylinder body, a groove is arranged on the outer surface of the cylinder body, and a torsion spring is arranged in the groove. One end of the torsion spring is fixedly connected to the rear end of the cylinder body, and the other end of the torsion spring is movably arranged in the groove located at the front end of the cylinder body;

[0009] From the cross-section of the installation bracket, the thermocouple installation channels are located at the bottom, and the torsion spring is located at the top;

[0010] Fixing set screws are arranged at the top of the thermocouple installation channels.

[0011] In the technical solution of the present utility model, the cylinder body is a circular cylinder body.

[0012] In the technical solution of the present utility model, the two thermocouple installation channels are isolated from each other.

[0013] In the technical solution of the present utility model, the fixing set screws are M4 set screws.

[0014] In the technical solution of the present utility model, the two thermocouple installation channels penetrate the cylinder body or do not penetrate the cylinder body, that is, the two thermocouple installation channels are through holes or blind holes.

[0015] A thermocouple uses the above-mentioned installation bracket for wall-mounted fixation of two temperature measurement points. Two armored thermocouples are respectively arranged in the two thermocouple installation channels of the installation bracket for wall-mounted fixation of two temperature measurement points. The armored thermocouples are fixed by using fixing set screws. The torsion spring located at the top is in contact with the inner wall of the pipeline. Through the action of the inner wall of the pipeline on the torsion spring, the armored thermocouple located at the bottom is used for wall-mounted temperature measurement.

[0016] In the technical solution of the present utility model, each armored thermocouple is a single-branch multi-point armored thermocouple.

[0017] Throughout the thermocouple, for the end of the thermocouple, two thermocouple installation channels are provided inside the cylinder body of the mounting bracket with two wall-mounted fixed double temperature measurement points. The two thermocouple installation channels do not penetrate the entire cylinder body. The end of the armored thermocouple is fixedly arranged in the thermocouple installation channel, and the front end of the closed cylinder body is used to protect the armored thermocouple. For the temperature measurement point at a certain position in the middle of the thermocouple, the two thermocouple installation channels penetrate the entire cylinder body, and the armored thermocouple is fixed by using fixed set screws, so that the temperature measurement point of the armored thermocouple adheres to the inner wall of the pipeline to be measured. At the same time, the armored thermocouple passes through the cylinder body and extends to the next mounting bracket with two wall-mounted fixed double temperature measurement points.

[0018] In the technical solution of the present utility model, the thermocouple further includes a junction box, a sealed protection sleeve and a mounting flange.

[0019] In the technical solution of the present utility model, one end of the torsion spring is fixed and the other end is movably arranged. When installing, first, the two armored thermocouples are respectively arranged in the two thermocouple installation channels and fixed with fixed set screws. The top of the torsion spring contacts the inner wall of the pipeline to be measured, so that the temperature measurement core body of the armored thermocouple at the bottom is in the wall-adhering position. When pushing and pulling in the pipeline and encountering defects in the pipeline (such as uneven welds), one end of the torsion spring is in a movable state (i.e., non-fixed state) and has relatively more movable space. Then the inner wall of the pipeline to be measured can further compress the torsion spring. At the same time, with the torsion spring design, the entire mounting bracket occupies a relatively smaller space in the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram (1) of the mounting bracket with two wall-mounted fixed double temperature measurement points of the present utility model.

[0021] Figure 2 It is a schematic structural diagram (2) of the mounting bracket with two wall-mounted fixed double temperature measurement points of the present utility model.

[0022] Figure 3 It is a schematic structural diagram (3) of the mounting bracket with two wall-mounted fixed double temperature measurement points of the present utility model.

[0023] Figure 4 It is a schematic structural diagram of the use state of the mounting bracket with two wall-mounted fixed double temperature measurement points of the present utility model.

[0024] Figure 5 It is a schematic structural diagram of the thermocouple using the mounting bracket with two wall-mounted fixed double temperature measurement points of the present utility model.

[0025] Figure 6 It is Figure 5 The schematic structural diagram of the A-A cross-section in

[0026] Figure 7 It isFigure 5 Schematic enlarged view of the structure in the B direction.

[0027] Figure 8 is Figure 5 Schematic enlarged view of the structure in the C direction.

[0028] Among them, 1 is the cylinder body, 1-1 is the front end of the cylinder body, 1-2 is the rear end of the cylinder body, 2 is the torsion spring, 3 is the groove, 4 is the fixed set screw, 5 is the thermocouple installation channel, 6 is the pipeline to be measured for temperature, 7 is the armored thermocouple, 8 is the junction box, 9 is the sealing protection sleeve, and 10 is the mounting flange. Specific implementation mode

[0029] The technical solution of the present utility model will be further described below in conjunction with specific embodiments.

[0030] As Figure 1 shown in Fig. -3, an installation bracket for wall-mounted fixed double temperature measurement points includes a cylinder body and a torsion spring, wherein:

[0031] The cylinder body, which is basically a cylindrical body, includes a front end and a rear end of the cylinder body. From the rear end to the front end of the cylinder body, two mutually isolated thermocouple installation channels are arranged inside the cylinder body;

[0032] From the rear end to the front end of the cylinder body, a groove is arranged on the outer surface of the cylinder body, and a torsion spring is arranged in the groove. One end of the torsion spring is fixedly connected to the rear end of the cylinder body, and the other end of the torsion spring is movably arranged in the groove located at the front end of the cylinder body;

[0033] From the cross-section of the installation bracket, the thermocouple installation channel is located at the bottom and the torsion spring is located at the top.

[0034] A fixed set screw M4 is arranged at the top of the thermocouple installation channel to fix the armored thermocouple in the channel.

[0035] As Figure 4 shown, since one end of the torsion spring is fixed and the other end is movably arranged, that is, it is not fixed to the front end of the cylinder body. During use, the top of the torsion spring contacts the inner wall of the pipeline to be measured for temperature. The movable end of the torsion spring (the end of the torsion spring that is not fixed to the front end of the cylinder body) can expand and contract along the length direction of the pipeline, providing a compression space along the radial direction of the pipeline for the entire installation bracket. During installation, first, two armored thermocouples are respectively arranged in the two thermocouple installation channels and fixed with fixed set screws. The top of the torsion spring contacts the inner wall of the pipeline to be measured for temperature, so that the temperature measurement core of the armored thermocouple located at the bottom is in the wall-attached position. When pushing and pulling in the pipeline and encountering defects in the pipeline (such as uneven welds), one end of the torsion spring is in a movable state (i.e., a non-fixed state) and has a relatively larger movable space. Then, the inner wall of the pipeline to be measured for temperature can further compress the torsion spring. At the same time, with the torsion spring design, the entire installation bracket occupies a relatively smaller space in the pipeline.

[0036] As Figure 5 shown, the thermocouple using the mounting bracket with two wall-mounted fixed temperature measurement points includes a junction box, a sealed protection sleeve, and a mounting flange. For a certain temperature measurement position in the pipeline to be measured, two armored thermocouples are used for temperature measurement. Then, according to the length of the pipeline to be measured, multiple temperature measurement points are set in each armored thermocouple, that is, a single multi-point armored thermocouple is used, and multiple temperature measurement points correspond to multiple temperature measurement positions in the length direction of the pipeline to be measured. During the use of the thermocouple, once a temperature measurement point at a certain temperature measurement position has a defect, the other temperature measurement point can still achieve temperature measurement and monitoring, ensuring the use safety.

[0037] The temperature measurement points of the armored thermocouple are wall-mounted at the temperature measurement positions of the pipeline to be measured by using the mounting bracket with two wall-mounted fixed temperature measurement points. As Figure 6 shown, the two armored thermocouples are respectively arranged in the two thermocouple installation channels of the mounting bracket with two wall-mounted fixed temperature measurement points, and the armored thermocouple is fixed by using an M4 set screw. The torsion spring at the top is in contact with the inner wall of the pipeline. Through the action of the inner wall of the pipeline on the torsion spring, the armored thermocouple at the bottom is wall-mounted for temperature measurement.

[0038] In the whole thermocouple, for the temperature measurement structure at the end of the thermocouple, as Figure 7 shown, at this time, two thermocouple installation channels are arranged in the cylinder body of the mounting bracket with two wall-mounted fixed temperature measurement points. The two thermocouple installation channels do not penetrate the whole cylinder body. The end of the armored thermocouple is fixedly arranged in the thermocouple installation channel, and the front end of the closed cylinder body is used to protect the armored thermocouple. For the temperature measurement point at a certain position in the middle of the thermocouple, as Figure 8 shown, at this time, the two thermocouple installation channels penetrate the whole cylinder body, and the armored thermocouple is fixed by using an M4 set screw, so that the temperature measurement point of the armored thermocouple is wall-mounted on the inner wall of the pipeline to be measured. At the same time, the armored thermocouple passes through the cylinder body and extends to the next mounting bracket with two wall-mounted fixed temperature measurement points.

[0039] For ease of explanation, in the embodiments, spatial relative terms such as "upper", "lower", "left", "right", etc. are used to describe the relationship of one element or feature shown in the figure with respect to another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations during the use or operation of the device. For example, if the device in the figure is inverted, the element described as being "below" other elements or features will be positioned "above" other elements or features. Therefore, the exemplary term "lower" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly. Moreover, relational terms such as "first" and "second" are only used to distinguish one component with the same name from another, and do not necessarily require or imply any such actual relationship or order between these components.

[0040] The above has made an exemplary description of the present utility model. It should be noted that, without departing from the core of the present utility model, any simple deformation, modification, or equivalent replacement that can be made by those skilled in the art without creative labor falls within the protection scope of the present utility model.

Claims

1. The mounting bracket for fixing dual temperature measuring points on the wall is characterized by: It includes a cylinder and a torsion spring, wherein: The cylinder includes a front end and a rear end of the cylinder, and two thermocouple installation channels are arranged in the cylinder from the rear end to the front end of the cylinder; A groove is arranged on the outer surface of the cylinder from the rear end to the front end of the cylinder, and a torsion spring is arranged in the groove, one end of the torsion spring is fixedly connected to the rear end of the cylinder, and the other end of the torsion spring is movably arranged in the groove located at the front end of the cylinder; Looking at the cross section of the mounting bracket, the thermocouple mounting channel is at the bottom and the torsion spring is at the top; A fixed set screw is set at the top of the thermocouple installation channel.

2. The wall-mounted mounting bracket for fixing dual temperature measuring points according to claim 1, characterized in that: The two thermocouple mounting channels are through holes or blind holes.

3. The wall-mounted mounting bracket for fixing dual temperature measuring points according to claim 1 or 2, characterized in that: The two thermocouple mounting channels are isolated from each other.

4. The wall-mounted mounting bracket for fixing dual temperature measuring points according to claim 1 or 2, characterized in that: The fixed top screw is an M4 top screw.

5. The wall-mounted mounting bracket for fixing dual temperature measuring points according to claim 3, characterized in that: The fixed top screw is an M4 top screw.

6. A thermocouple, characterized in that: Use the mounting bracket for fixing dual temperature measuring points against the wall as described in any one of claims 1 to 5, respectively set two armored thermocouples in two thermocouple mounting channels of the mounting bracket for fixing dual temperature measuring points against the wall, fix the armored thermocouples with fixed top screws, and connect the torsion spring at the top with the inner wall of the pipe. The inner wall of the pipe acts on the torsion spring so that the armored thermocouple at the bottom can measure the temperature against the wall.

7. A thermocouple according to claim 6, characterized in that: Each armored thermocouple is a single multi-point armored thermocouple.

8. A thermocouple according to claim 6 or 7, characterized in that: For the end of the thermocouple, two thermocouple installation channels are set in the cylinder of the installation bracket with dual temperature measuring points fixed to the wall. The two thermocouple installation channels do not pass through the entire cylinder. The end of the armored thermocouple is fixed in the thermocouple installation channel, and the armored thermocouple is protected by the closed front end of the cylinder.

9. A thermocouple according to claim 6 or 7, characterized in that: For the temperature measuring point located at a certain position in the middle of the thermocouple, two thermocouple installation channels run through the entire cylinder, and the armored thermocouple is fixed by using a fixed top screw so that the temperature measuring point of the armored thermocouple is attached to the inner wall of the pipe to be measured. At the same time, the armored thermocouple passes through the cylinder and extends to the next installation bracket that fixes the dual temperature measuring points on the wall.

10. A thermocouple according to claim 6 or 7, characterized in that: Thermocouples also include a junction box, a sealed protective sleeve and a mounting flange.

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