Optical fiber temperature measuring device based on boiler heating surface temperature measurement

Abstract

The utility model discloses an optical fiber temperature measuring device based on boiler heating surface temperature measurement, which comprises an adjusting assembly and a plurality of optical fiber temperature sensors, the adjusting assembly is arranged on the outer side of a boiler body, and the optical fiber temperature sensors are arranged on the adjusting assembly side by side at intervals. The adjusting assembly is used for adjusting the height and the installation depth of each optical fiber temperature sensor; the adjusting assembly comprises an upper support, a lower support, a plurality of height adjusting mechanisms and a plurality of depth adjusting mechanisms, the upper support is matched with the lower support in structure, and the upper support and the lower support are arranged side by side and correspondingly in the vertical direction of the boiler body. The adjusting assembly is arranged on the outer side of the boiler, so that the depth adjusting mechanism on the adjusting assembly adjusts the installation depth of the optical fiber temperature sensor, and the optical fiber temperature measuring device can be suitable for temperature detection of boiler heating surfaces with different wall thicknesses.

Description

Technical Field

[0001] This utility model relates to the field of fiber optic temperature measurement device technology, specifically to a fiber optic temperature measurement device based on boiler heating surface temperature measurement. Background Technology

[0002] Fiber optic temperature measurement devices use optical fibers as the sensing medium to measure the temperature of objects. They complement traditional temperature measurement methods, are unaffected by magnetic fields, and can be used in more environments, thus becoming increasingly common in the market.

[0003] Water-cooled walls are an important component of boilers. They are used for heat contact within the furnace. Currently, the temperature of the heated surfaces is mainly monitored by arranging temperature measuring points around the furnace, which means arranging single-point thermocouple sensors. Data is then collected from each thermocouple sensor using a back-end data acquisition board to measure the temperature of the boiler's heated surfaces.

[0004] Existing fiber optic temperature measuring devices for boiler heating surface temperature (application number 202420032389.7, measuring device for boiler heating surface temperature during dry and wet conditions) measure the temperature of the boiler heating surface by setting multiple fiber optic temperature sensors connected in series on the boiler heating surface. However, during the installation of the fiber optic temperature measuring device, the multiple fiber optic temperature sensors are directly installed on the outer wall of the boiler without setting an adjustment component on the fiber optic temperature measuring device to adjust the multiple fiber optic temperature sensors to different orientations or different installation depths, which affects the temperature detection efficiency of the fiber optic temperature measuring device for the boiler heating surface. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a fiber optic temperature measuring device based on boiler heating surface temperature measurement, which solves the technical problem that in the installation process of existing fiber optic temperature measuring devices, multiple fiber optic temperature sensors are directly installed on the outer wall of the boiler without setting an adjustment component on the fiber optic temperature measuring device to adjust the multiple fiber optic temperature sensors at different orientations or different installation depths, thus affecting the temperature detection efficiency of the fiber optic temperature measuring device on the boiler heating surface.

[0006] According to the technical solution provided in the embodiments of this application, a fiber optic temperature measuring device based on boiler heating surface temperature measurement includes an adjustment component and a plurality of fiber optic temperature sensors. The adjustment component is installed on the outside of the boiler body, and the plurality of fiber optic temperature sensors are installed side by side and spaced apart on the adjustment component, so that the adjustment component can adjust the height and installation depth of each fiber optic temperature sensor.

[0007] The adjustment assembly includes an upper support, a lower support, several height adjustment mechanisms, and several depth adjustment mechanisms. The upper support and the lower support are structurally compatible and are arranged side-by-side and correspondingly along the vertical direction of the boiler body. Several height adjustment mechanisms are movably installed between the upper support and the lower support, allowing them to move along slide rails on the upper and lower supports for adjusting their horizontal installation positions. Several depth adjustment mechanisms are arranged side-by-side and movably installed at intervals on the guide rods of the height adjustment mechanisms for adjusting the installation height of the fiber optic temperature sensors. Each depth adjustment mechanism has a corresponding fiber optic temperature sensor horizontally mounted on its mounting plate, allowing the depth adjustment mechanism to adjust the installation depth of the fiber optic temperature sensor.

[0008] Furthermore, the upper support and the lower support are in a ring structure, and the upper support and the lower support are provided with ring-shaped slide rails, and the two first sliders on the height adjustment mechanism are engaged with the corresponding slide rails.

[0009] Furthermore, several connecting frames are provided on the inner sides of the upper support and the lower support, and these connecting frames are connected to the furnace wall on the boiler body by bolts.

[0010] Furthermore, the height adjustment mechanism includes two first sliders, two guide rods, and a movable plate. The two guide rods are vertically arranged side by side and spaced apart between the two first sliders. The two first sliders are provided with first slots that engage with slide rails. The movable plate is provided with two corresponding second slots, and the two second slots are respectively engaged with the corresponding guide rods, so that the movable plate is movably engaged between the two guide rods and slides along the vertical direction of the two guide rods.

[0011] Furthermore, the movable plate is also provided with two corresponding first locking bolts for locking the movable plate onto the guide rod.

[0012] Furthermore, the guide rod is also provided with a second sliding groove, and the front end of the first locking bolt abuts against the second sliding groove.

[0013] Furthermore, the depth adjustment mechanism includes an adjustment rod, a contact plate, four linkage rods, and a mounting plate. The mounting plate is mounted on the front end of the movable plate, and the four linkage rods are mounted side by side and spaced apart on the mounting plate. The four linkage rods are movably mounted on the movable plate, and the adjustment rod is screwed to the center of the movable plate. The front end of the adjustment rod is connected to the contact plate, and the contact plate abuts against the mounting plate.

[0014] Furthermore, the movable plate is provided with four corresponding through holes, and each of the linkage rods passes through the corresponding through holes.

[0015] Furthermore, each of the linkage rods is also fitted with a corresponding buffer, which is used for the elastic limiting of the linkage rod.

[0016] Furthermore, an adjusting handwheel is also installed at the rear end of the adjusting rod, and the adjusting handwheel is used to rotate the adjusting rod.

[0017] Furthermore, a second locking bolt is installed on the side of the first slider located at the bottom for locking the first slider onto the slide rail on the lower bracket.

[0018] Furthermore, the connector on the fiber optic temperature sensor is provided with several connection ports, and each connection port is fitted with a corresponding connection line, so that two adjacent fiber optic temperature sensors can be connected in parallel or in series through the connection lines, thereby forming a multi-point temperature measuring mechanism on the outside of the boiler body to perform multi-point and multi-face temperature detection on the boiler heating surface.

[0019] In summary, the beneficial effects of this application are as follows:

[0020] 1. By setting an adjustment component on the outside of the boiler, the depth adjustment mechanism on the adjustment component can adjust the installation depth of the fiber optic temperature sensor, so that the fiber optic temperature measuring device can be used to detect the temperature of the boiler heating surface with different wall thicknesses.

[0021] Second, by setting a height adjustment mechanism on the adjustment component, the installation height of the fiber optic temperature sensor for detecting the temperature of the boiler heating surface can be adjusted so that the fiber optic temperature measuring device can be used to detect the temperature of the boiler heating surface at different heights, thereby improving the temperature detection efficiency of the fiber optic temperature measuring device for the boiler heating surface.

[0022] Third, by setting two structurally compatible upper and lower supports on the fiber optic temperature measuring device, and installing corresponding slide rails on the upper and lower supports, several height adjustment mechanisms are movably installed between the two slide rails and move along the slide rails, thereby adjusting the horizontal installation position of each height adjustment mechanism. This allows several fiber optic temperature sensors to be installed at multiple points on the boiler furnace wall, enabling multi-faceted and multi-point temperature detection of the heating surface inside the boiler, thus improving the temperature detection quality of the boiler heating surface by the fiber optic temperature measuring device. Attached Figure Description

[0023] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the connection structure between the present invention and the boiler;

[0025] Figure 2 This is an exploded structural diagram of the present invention;

[0026] Figure 3 This is a partial structural diagram of the lower support frame of this utility model;

[0027] Figure 4 This is a schematic cross-sectional view of the adjustment component of this utility model.

[0028] The following components are labeled in the diagram: Adjustment component-100, upper bracket-110, lower bracket-120, slide rail-121, connecting frame-122, height adjustment mechanism-130, first slider-131, second locking bolt-1311, guide rod-132, moving plate-133, first locking bolt-1331, depth adjustment mechanism-140, adjustment rod-141, abutment plate-142, linkage rod-143, mounting plate-144, adjustment handwheel-145, fiber optic temperature sensor-200, connector-210, connection port-220, connecting wire-230, boiler body-300. Detailed Implementation

[0029] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] A fiber optic temperature measuring device based on boiler heating surface temperature measurement, its structure is as follows: Figures 1-4As shown, the system includes an adjustment assembly 100 and several fiber optic temperature sensors 200. The adjustment assembly 100 is mounted on the outside of the boiler body 300, while the several fiber optic temperature sensors 200 are mounted side-by-side and spaced apart on the adjustment assembly 100. This allows the adjustment assembly 100 to adjust the height and installation depth of each fiber optic temperature sensor 200, thereby forming a multi-faceted and multi-point temperature measurement structure on the outside of the boiler body 300. This enables the fiber optic temperature measurement device to perform multi-point and multi-faceted temperature detection on the boiler's heating surface. The adjustment assembly 100 includes an upper support 110, a lower support 120, several height adjustment mechanisms 130, and several depth adjustment mechanisms 140. The upper support 110 and lower support 120 are structurally compatible and are arranged side-by-side and correspondingly along the vertical direction of the boiler body 300. The several height adjustment mechanisms 130 and 140 are... An adjustment mechanism 130 is movably installed between the upper support 110 and the lower support 120, allowing several height adjustment mechanisms 130 to move along the slide rails 121 provided on the upper support 110 and the lower support 120 for adjusting the horizontal installation position of the several height adjustment mechanisms 130. Several depth adjustment mechanisms 140 are movably installed side by side and at intervals on the guide rods 132 of the height adjustment mechanisms 130 in the vertical direction, thereby allowing each depth adjustment mechanism 140 to move up and down along the vertical direction of the guide rods 132, thereby adjusting the installation height of the fiber optic temperature sensor 200. A corresponding fiber optic temperature sensor 200 is horizontally installed on the mounting plate 144 of each depth adjustment mechanism 140, so that the depth adjustment mechanism 140 can adjust the installation depth of the fiber optic temperature sensor 200, making the fiber optic temperature measuring device applicable to the temperature detection of boiler heating surfaces with different wall thicknesses.

[0032] As a preferred embodiment, please refer to Figure 2 and Figure 3 The upper bracket 110 and the lower bracket 120 are in a ring structure, and the upper bracket 110 and the lower bracket 120 are provided with corresponding ring slide rails 121. The two first sliders 131 on the height adjustment mechanism 130 are provided with first slots so that the first slots can be engaged with the corresponding slide rails 121, so that the two first sliders 131 can move along the horizontal direction of the slide rails 121. The side of the first slider 131 at the bottom is equipped with a second locking bolt 1311. By rotating the second locking bolt 1311, the front end of the second locking bolt 1311 abuts against the slide rail 121 and fixes it, thereby locking the first slider 131 on the slide rail 121 on the lower bracket 120 and preventing the height adjustment mechanism 130 from sliding during installation.

[0033] As a preferred embodiment, please refer to Figure 2 and Figure 3Several connecting brackets 122 are also provided on the inner side of the upper bracket 110 and the lower bracket 120. The connecting brackets 122 are connected to the furnace wall on the boiler body 300 by bolts, so that the upper bracket 110 and the lower bracket 120 are a certain distance away from the boiler. This prevents the fiber optic temperature sensor 200 from being too close to the boiler during installation, which could cause the fiber optic temperature measuring element in the connector 210 to malfunction and affect the accuracy of the temperature detection data of the heating surface inside the boiler.

[0034] As a preferred embodiment, please refer to Figure 2 and Figure 4 The height adjustment mechanism 130 includes two first sliders 131, two guide rods 132, and a moving plate 133. The two guide rods 132 are vertically arranged side by side and spaced apart between the two first sliders 131. The moving plate 133 is provided with two corresponding second slots, which are respectively engaged with the corresponding guide rods 132, so that the moving plate 133 is movably engaged between the two guide rods 132 and slides along the vertical direction of the two guide rods 132. The moving plate 133 is also provided with two corresponding first locking bolts 1331. When the moving plate 133 moves to the set position, the first locking bolts 1331 are rotated so that the front end of the first locking bolts 1331 abuts against the second sliding groove, thereby locking the moving plate 133 onto the guide rods 132. This adjusts the temperature measurement installation height of the fiber optic temperature sensor 200 for detecting the temperature of the boiler heating surface, so that the fiber optic temperature measuring device can be used for detecting the temperature of the boiler heating surface at different heights, thereby improving the temperature detection efficiency of the fiber optic temperature measuring device for the boiler heating surface.

[0035] As a preferred embodiment, please refer to Figure 4The depth adjustment mechanism 140 includes an adjusting rod 141, an abutment plate 142, four linkage rods 143, and a mounting plate 144. The mounting plate 144 is mounted on the front end of the movable plate 133, and four linkage rods 143 are installed side by side and spaced apart on the mounting plate 144. The movable plate 133 has four corresponding through holes, through which each linkage rod 143 passes and is movably mounted on the movable plate 133. Each linkage rod 143 is also fitted with a corresponding buffer member for elastic limiting of the linkage rod 143. The adjusting rod 141 is screwed to the center of the movable plate 133, and the front end of the adjusting rod 141 is connected to... The abutment plate 142 is connected and abuts against the mounting plate 144. At the same time, an adjustment handwheel 145 is installed at the rear end of the adjustment rod 141. Rotating the adjustment handwheel 145 will drive the adjustment rod 141, which is screwed onto the moving plate 133, to rotate and move. This will cause the abutment plate 142 installed at the front end of the adjustment rod 141 to push the mounting plate 144 to move inward in the horizontal direction. This will adjust the installation depth of the fiber optic temperature sensor installed on the mounting plate 144, so that the fiber optic temperature measuring device can be used to detect and measure the temperature of the boiler heating surface with different wall thicknesses, thereby improving the temperature detection quality of the boiler heating surface by the fiber optic temperature measuring device.

[0036] As a preferred embodiment, please refer to Figure 1 and Figure 4 The connector 210 of the fiber optic temperature sensor 200 is provided with several connection ports 220, and each connection port 220 is connected with a corresponding connection line 230, so that two adjacent fiber optic temperature sensors 200 are connected in parallel or in series through the connection line 230, thereby forming a multi-point temperature measuring device on the outside of the boiler body 300 to perform multi-point and multi-face temperature detection on the boiler heating surface.

[0037] The working principle of the fiber optic temperature measuring device based on boiler heating surface temperature measurement of this utility model is as follows:

[0038] During the process of measuring the temperature of the boiler's heating surface using a fiber optic temperature measuring device, the construction personnel install the upper bracket 110 and lower bracket 120 of the fiber optic temperature measuring device on the outside of the boiler. Several connecting brackets 122 on the upper bracket 110 and lower bracket 120 are then fixed to the boiler's outer wall using screws. The sliders on several height adjustment mechanisms 130 are respectively engaged with the slide rails 121 on the upper bracket 110 and lower bracket 120, allowing the height adjustment mechanisms 130 to move horizontally along the slide rails 121. The adjusted height adjustment mechanisms 130 are then locked to the upper bracket 110 and lower bracket 120 by the second locking bolts 1311 installed on the sides of each lower first slider 131. In the horizontal installation position, the movable plate 133 on each height adjustment mechanism 130 is movably installed between two guide rods 132, so that the movable plate 133 moves along the vertical direction of the guide rods 132. When it moves to the set position, the two first locking bolts 1331 on the movable plate 133 are rotated to lock and fix the movable plate 133 to the guide rods 132, thereby adjusting the temperature measurement installation height of the fiber optic temperature sensor 200 for boiler heating surface temperature detection. This allows the fiber optic temperature measuring device to be applicable to boiler heating surface temperature detection at different heights, improving the temperature detection efficiency of the fiber optic temperature measuring device for boiler heating surfaces. The movable plate 133 is also equipped with a corresponding depth adjustment mechanism 140 to allow the rotation of the screws to adjust the height of the sensor. The adjustment handwheel 145 on the depth adjustment mechanism 140 drives the adjustment rod 141 connected to the adjustment handwheel 145 to move inward in the horizontal direction. This causes the abutment plate 142 installed at the front end of the adjustment rod 141 to push the mounting plate 144 to move inward in the horizontal direction, thereby moving the fiber optic temperature sensor 200 installed on the mounting plate 144 inward in the horizontal direction. This adjusts the installation depth, making the fiber optic temperature measuring device applicable to the temperature detection and measurement of boiler heating surfaces with different wall thicknesses, thus improving the temperature detection quality of the boiler heating surface by the fiber optic temperature measuring device. Each fiber optic temperature sensor 200 has a connector 210 with several connection ports 220, allowing adjacent fiber optic temperature sensors to connect. The device 200 is connected via a connecting cable 230, and several fiber optic temperature sensors 200 are installed at multiple points on the boiler furnace wall to perform multi-face and multi-point temperature detection on the boiler heating surface. This allows the fiber optic temperature measuring device to monitor the combustion status and temperature changes of the heating surface in the entire furnace in real time. When the heat transfer of the heating surface deteriorates or there are problems with the hydrodynamics, the temperature status of the heating surface tubes is reflected in a timely manner. Especially during deep peak shaving, this prevents local overheating of the heating surface, improves the safety and efficient operation of the boiler unit, and allows for timely monitoring of the heat load distribution and working fluid changes within the heating surface of the boiler. This guides the adjustment of combustion within the boiler, improving the safety and economy of boiler operation.

[0039] The above description is merely a preferred embodiment of this application and an explanation of the technical principles and solutions employed. Furthermore, the scope of the utility model involved in this application is not limited to the specific combination of the above-described technical features, but should also cover other technical solutions formed by any combination of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A fiber optic temperature measuring device based on boiler heating surface temperature measurement, comprising an adjustment component (100) and a plurality of fiber optic temperature sensors (200), wherein the adjustment component (100) is installed on the outside of the boiler body (300), and the plurality of fiber optic temperature sensors (200) are installed side by side and spaced apart on the adjustment component (100), so that the adjustment component (100) can adjust the height and installation depth of each fiber optic temperature sensor (200), characterized in that: The adjustment assembly (100) includes an upper support (110), a lower support (120), a plurality of height adjustment mechanisms (130), and a plurality of depth adjustment mechanisms (140). The upper support (110) and the lower support (120) are structurally compatible and are arranged side-by-side and correspondingly along the vertical direction of the boiler body (300). The plurality of height adjustment mechanisms (130) are movably installed between the upper support (110) and the lower support (120) so that the plurality of height adjustment mechanisms (130) are arranged along the upper support (110) and the lower support (120). The slide rail (121) on the bracket (120) moves to adjust the horizontal installation position of several height adjustment mechanisms (130), while several depth adjustment mechanisms (140) are arranged side by side and spaced apart on the guide rod (132) of the height adjustment mechanism (130) to adjust the installation height of the fiber optic temperature sensor (200). The corresponding fiber optic temperature sensor (200) is horizontally installed on the mounting plate (144) on each depth adjustment mechanism (140) so that the depth adjustment mechanism (140) adjusts the installation depth of the fiber optic temperature sensor (200).

2. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 1, characterized in that: The upper support (110) and the lower support (120) are in a ring structure, and the upper support (110) and the lower support (120) are provided with ring-shaped slide rails (121), and the two first sliders (131) on the height adjustment mechanism (130) are engaged with the corresponding slide rails (121).

3. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 1, characterized in that: The upper support (110) and the lower support (120) are provided with a number of connecting frames (122) on their inner sides. The connecting frames (122) are connected to the furnace wall on the boiler body (300) by bolts.

4. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 1, characterized in that: The height adjustment mechanism (130) includes two first sliders (131), two guide rods (132), and a moving plate (133). The two guide rods (132) are vertically arranged side by side and spaced apart between the two first sliders (131). The two first sliders (131) are provided with first slots that engage with slide rails (121). The moving plate (133) is provided with two corresponding second slots, and the two second slots are respectively engaged with the corresponding guide rods (132) so that the moving plate (133) is movably engaged between the two guide rods (132) and slides along the vertical direction of the two guide rods (132).

5. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 4, characterized in that: The movable plate (133) is also provided with two corresponding first locking bolts (1331) for locking the movable plate (133) onto the guide rod (132).

6. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 5, characterized in that: The guide rod (132) is also provided with a second sliding groove, and the front end of the first locking bolt (1331) abuts against the second sliding groove.

7. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 1, characterized in that: The depth adjustment mechanism (140) includes an adjustment rod (141), a contact plate (142), four linkage rods (143), and a mounting plate (144). The mounting plate (144) is mounted on the front end of the movable plate (133), and four linkage rods (143) are mounted side by side and spaced apart on the mounting plate (144). The four linkage rods (143) are movably mounted on the movable plate (133), and the adjustment rod (141) is screwed to the center of the movable plate (133). The front end of the adjustment rod (141) is connected to the contact plate (142), and the contact plate (142) abuts against the mounting plate (144).

8. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 7, characterized in that: The movable plate (133) is provided with four corresponding through holes, and each of the linkage rods (143) passes through the corresponding through holes.

9. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 7, characterized in that: Each of the linkage rods (143) is also fitted with a corresponding buffer, which is used for the elastic limiting of the linkage rod (143).

10. The fiber optic temperature measuring device based on boiler heating surface temperature measurement according to claim 7, characterized in that: An adjustment handwheel (145) is also installed at the rear end of the adjustment rod (141), and the adjustment handwheel (145) is used to rotate the adjustment rod (141).

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