Distributed optical fiber sensing strain monitoring device

Abstract

The utility model relates to the technical field of optical fiber sensing strain monitoring, in particular to a distributed optical fiber sensing strain monitoring device, which comprises a distributed optical fiber sensing strain gauge main body and a filter screen assembly arranged on the side wall of one side of the distributed optical fiber sensing strain gauge main body, the bottom end of the distributed optical fiber sensing strain gauge main body is provided with a base, and the side wall of one side of the distributed optical fiber sensing strain gauge main body is provided with a pull rod. Firstly, the positive and negative screw rod main body is in threaded connection with the threaded hole, and the sliding rod is matched with the sliding sleeve, so that the positive and negative screw rod main body rotates to drive the two groups of sliding blocks to slide in opposite directions on the outer wall of the positive and negative screw rod main body through the sliding sleeve and the sliding rod; and the two sets of sliding blocks can conveniently slide in the opposite directions to drive the cleaning plates to slide at the same time, so that the cleaning plates slide to drive the brush body to slide to clean dust and batting attached to the filter screen assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber sensing and deformation monitoring, in particular to a distributed optical fiber sensing and deformation monitoring device. Background Art

[0002] Distributed fiber optic sensors use unique distributed fiber optic detection technology to measure or monitor the spatial distribution and time-varying information along the fiber optic transmission path. They arrange the sensing fibers along the field and can simultaneously obtain the spatial distribution and time-varying information of the measured field. They are attractive for many industrial applications. Distributed fiber optic sensor strain monitors identify and locate potential problems in geotechnical engineering by monitoring strain and temperature. They are mainly used in large-scale civil engineering structure monitoring, railway line infrastructure monitoring, offshore and land pipeline structure health monitoring, ship and oil platform health monitoring, and temperature gradient monitoring in geothermal applications.

[0003] At present, most of the distributed optical fiber sensor variable monitoring devices on the market are prone to high temperatures inside the distributed optical fiber sensor variable monitoring devices during long-term detection, and it takes a long time to dissipate heat. During the heat dissipation process, dust and lint in the air are likely to clog the filter, thereby causing the filter to be clogged and affecting the heat dissipation effect. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above or existing technologies, most of the distributed optical fiber sensor variable monitoring devices currently on the market are prone to high temperatures inside the distributed optical fiber sensor variable monitoring devices during long-term detection, which requires a long time to dissipate heat. During the heat dissipation process, dust and lint in the air are likely to clog the filter, thereby causing the filter to be clogged and affecting the heat dissipation effect. Therefore, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a distributed optical fiber sensor strain monitoring device.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a distributed optical fiber sensor transformer monitoring device, comprising a distributed optical fiber sensor transformer body, which comprises a filter assembly arranged on a side wall of one side of the distributed optical fiber sensor transformer body, the bottom end of the distributed optical fiber sensor transformer body is equipped with a base, and the side wall of one side of the distributed optical fiber sensor transformer body is equipped with a pull rod;

[0008] A cleaning mechanism, comprising a mounting frame, the mounting frame being mounted on a side wall at one end of a main body of a distributed optical fiber sensor transformer, a through hole being provided at the bottom end of the mounting frame, a driving motor being mounted on a side wall at one end of an inner portion of the mounting frame, and a positive and negative screw rod main body being mounted on an output end of the driving motor through a coupling, a sliding block being sleeved on an outer wall of the positive and negative screw rod main body, and a threaded hole being provided inside the sliding block, the threaded hole being threadedly connected to the positive and negative screw rod main body, and a cleaning plate being mounted at the bottom end of the sliding block;

[0009] The heat dissipation mechanism comprises a heat dissipation pipe, wherein the heat dissipation pipe is mounted on the side wall at one end of the main body of the distributed optical fiber sensor transformer, a heat dissipation fan is mounted inside the heat dissipation pipe, a filter body is mounted inside the heat dissipation pipe, a fixing plate is mounted on the top end of the heat dissipation pipe, and an electric lifting rod is mounted on the side wall of the fixing plate, a fixing frame is mounted on the top end of the heat dissipation pipe, and a hinged plate is hinged inside the fixing frame, a slide rail is mounted on the top end of the hinged plate, and a slider body is arranged inside the slide rail, a mounting plate is mounted on the top end of the slider body, and the mounting plate is hinged to one end of the electric lifting rod, a connecting plate is mounted on the bottom end of the hinged plate, and a sealing cover plate is mounted on the side wall of the connecting plate.

[0010] As a preferred solution of a distributed optical fiber sensor strain monitoring device of the utility model, a sliding rod is installed on the side wall at one end of the installation frame, and a sliding sleeve is sleeved on the outer wall of the sliding rod, and the bottom end of the sliding sleeve is fixedly connected to the top end of the sliding block.

[0011] By adopting the above technical solution, the present solution enables the sliding block to drive the sliding sleeve to slide on the outer wall of the sliding rod through the cooperation between the sliding rod and the sliding sleeve.

[0012] As a preferred solution of the distributed optical fiber sensor strain monitoring device of the utility model, the side walls of the cleaning plate are all installed with a brush body, and one end of the brush body is tightly fitted with the filter assembly.

[0013] By adopting the above technical solution, in this solution, one end of the brush body is tightly fitted with the filter screen assembly, so that the brush body slides to clean the dust and fluff attached to the filter screen body.

[0014] As a preferred solution of the distributed optical fiber sensor strain monitoring device of the utility model, wherein: the sealing cover plate cooperates with the heat dissipation pipe, and a sealing ring is installed on the side wall of the sealing cover plate.

[0015] By adopting the above technical solution, a sealing ring is installed on the side wall of the sealing cover plate, so that the sealing cover plate can have a better sealing effect on the heat dissipation pipe.

[0016] As a preferred solution of the distributed optical fiber sensor transformer monitoring device of the utility model, the pull rod and the side wall of the distributed optical fiber sensor transformer body are welded integrated structures, and a protective pad is installed on the outer wall of the pull rod.

[0017] By adopting the above technical solution, a protective pad is installed on the outer wall of the pull rod, so that the design of the protective pad can provide a protective effect to the operator when pulling the pull rod.

[0018] As a preferred solution of the distributed optical fiber sensor strain monitoring device of the utility model, there are two groups of cleaning plates with the same structure, and the top end of the cleaning plate and the bottom end of the sliding block are welded into an integrated structure.

[0019] By adopting the above technical solution, there are two groups of cleaning plates with the same structure, so that the two groups of cleaning plates can be used to clean the filter assembly.

[0020] As a preferred solution of the distributed optical fiber sensor strain monitoring device of the utility model, an anti-slip pad is installed at the bottom end of the base.

[0021] By adopting the above technical solution, an anti-skid pad is installed at the bottom of the base, so that the anti-skid effect of the base is better, and the sliding of the distributed optical fiber sensor transformer body is avoided.

[0022] The utility model provides a distributed optical fiber sensor strain monitoring device with the following beneficial effects:

[0023] The utility model firstly starts the driving motor to drive the forward and reverse screw rod bodies to rotate, and the forward and reverse screw rod bodies are threadedly connected with the threaded holes, and the sliding rod and the sliding sleeve cooperate with each other to make the forward and reverse screw rod bodies rotate to drive the two sets of sliding blocks to slide in opposite directions on the outer walls of the forward and reverse screw rod bodies through the sliding sleeve and the sliding rod, so that the two sets of sliding blocks slide in opposite directions to drive the cleaning plates to slide at the same time, so that the cleaning plates slide to drive the brush body to slide to clean the dust and lint attached to the filter screen assembly;

[0024] The utility model firstly starts the electric lifting rod, and the fixed frame and the hinged plate are hinged to each other, and through the cooperation between the slide rail and the slider body, the electric lifting rod is started to drive the slider body to slide inside the slide rail and drive the hinged plate to rotate inside the fixed frame, so that the hinged plate is rotated to drive the connecting plate and the sealing cover plate to rotate at the same time to open and close the heat dissipation pipe, and at the same time, the heat dissipation fan is started to drive the air inside the distributed optical fiber sensor transformer body to open the sealing cover plate and be discharged through the heat dissipation pipe, so as to quickly dissipate the heat of the distributed optical fiber sensor transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0026] Figure 1 It is a schematic diagram of the main structure of a distributed optical fiber sensor strain monitoring device;

[0027] Figure 2 It is a schematic diagram of the main structure of the positive and negative screw rods of a distributed optical fiber sensor strain monitoring device;

[0028] Figure 3 A schematic diagram of the internal structure of an installation frame of a distributed optical fiber sensor strain monitoring device;

[0029] Figure 4 A schematic diagram of a heat dissipation pipe structure of a distributed optical fiber sensor strain monitoring device;

[0030] Figure 5 This is a schematic diagram of the internal structure of a heat dissipation pipe of a distributed optical fiber sensor strain monitoring device.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Distributed optical fiber sensor transformer body; 101. Filter assembly; 102. Base; 103. Pull rod;

[0033] 2. Cleaning mechanism; 201. Mounting frame; 202. Through hole; 203. Driving motor; 204. Forward and reverse screw rod body; 205. Sliding block; 206. Threaded hole; 207. Sliding rod; 208. Sliding sleeve; 209. Cleaning plate; 2091. Brush body;

[0034] 3. Heat dissipation mechanism; 301. Heat dissipation pipe; 302. Heat dissipation fan; 303. Filter body; 304. Fixing plate; 305. Electric lifting rod; 306. Fixing frame; 307. Hinge plate; 308. Slide rail; 309. Slider body; 3010. Mounting plate; 3011. Connecting plate; 3012. Sealing cover plate. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0038] Example 1: Reference Figures 1 to 5 , which is the first embodiment of the utility model, and provides a distributed optical fiber sensor transformer monitoring device, which can realize most distributed optical fiber sensor transformer monitoring devices on the market. In the process of long-term detection, it is easy to cause the temperature inside the distributed optical fiber sensor transformer monitoring device to be high, and it is necessary to dissipate heat for a long time. During the heat dissipation process, it is easy to cause dust and lint in the air to clog the filter screen, thereby causing the filter screen to be clogged, affecting the heat dissipation effect. It includes a distributed optical fiber sensor transformer body 1, which includes a filter screen assembly 101 arranged on a side wall of one side of the distributed optical fiber sensor transformer body 1, and the bottom end of the distributed optical fiber sensor transformer body 1 is equipped with a base 102, and the side wall of one side of the distributed optical fiber sensor transformer body 1 is equipped with a pull rod 103, and the pull rod 103 and the side wall of the distributed optical fiber sensor transformer body 1 are welded into an integrated structure, and the outer wall of the pull rod 103 is equipped with a protective pad, and the bottom end of the base 102 is equipped with an anti-slip pad;

[0039] A cleaning mechanism 2 comprises a mounting frame 201, which is mounted on the side wall at one end of the main body 1 of the distributed optical fiber sensor transformer. A through hole 202 is provided at the bottom end of the mounting frame 201. A driving motor 203 is installed on the side wall at one end of the inner part of the mounting frame 201, and a positive and negative screw rod main body 204 is installed at the output end of the driving motor 203 through a coupling. A sliding block 205 is sleeved on the outer wall of the positive and negative screw rod main body 204, and a threaded hole 206 is provided inside the sliding block 205. The threaded hole 206 is threadedly connected with the positive and negative screw rod main body 204. A cleaning plate 209 is installed at the bottom end of the sliding block 205. There are two groups of cleaning plates 209 with the same structure. The top end of the cleaning plate 209 and the bottom end of the sliding block 205 are welded into an integrated structure. There are two groups of cleaning plates 209 with the same structure, so that the two groups of cleaning plates 209 can clean the filter assembly 101.

[0040] A sliding rod 207 is installed on the side wall of one end of the installation frame 201, and a sliding sleeve 208 is sleeved on the outer wall of the sliding rod 207. The bottom end of the sliding sleeve 208 is fixedly connected to the top end of the sliding block 205. Through the cooperation between the sliding rod 207 and the sliding sleeve 208, the sliding block 205 can drive the sliding sleeve 208 to slide on the outer wall of the sliding rod 207.

[0041] The side walls of the cleaning plate 209 are all installed with a brush body 2091, and one end of the brush body 2091 is tightly fitted with the filter assembly 101. By tightly fitting one end of the brush body 2091 with the filter assembly 101, the brush body 2091 can slide to clean the dust and lint attached to the filter body 303.

[0042] The specific working principle is that when the filter assembly 101 needs to be cleaned, first start the driving motor 203 to drive the forward and reverse screw rod body 204 to rotate, and the forward and reverse screw rod body 204 is threadedly connected with the threaded hole 206, and through the cooperation of the sliding rod 207 and the sliding sleeve 208, the forward and reverse screw rod body 204 is rotated to drive the two groups of sliding blocks 205 to slide in opposite directions on the outer wall of the forward and reverse screw rod body 204 through the sliding sleeve 208 and the sliding rod 207, so that the two groups of sliding blocks 205 can slide in opposite directions to drive the cleaning plate 209 to slide at the same time, so that the cleaning plate 209 can slide to drive the brush body 2091 to slide to clean the dust and hair attached to the filter assembly 101.

[0043] Example 2: Reference Figures 1 to 5, which is the first embodiment of the utility model, and provides a distributed optical fiber sensor transformer monitoring device, which can realize most of the distributed optical fiber sensor transformer monitoring devices currently on the market. During the long-term detection process, it is easy to cause the temperature inside the distributed optical fiber sensor transformer monitoring device to be high, and it is necessary to dissipate heat for a long time. During the heat dissipation process, it is easy to cause dust and fluff in the air to clog the filter, thereby causing the filter to be clogged, affecting the heat dissipation effect. The heat dissipation mechanism 3 includes a heat dissipation pipe 301, which is installed on the side wall of one end of the distributed optical fiber sensor transformer body 1, and a heat dissipation fan 302 is installed inside the heat dissipation pipe 301. A filter body 303 is installed inside the heat dissipation pipe 301. The heat dissipation pipe 301 has a heat dissipation fan 302 installed inside. The heat dissipation pipe 301 has a filter body 303 installed inside. 1 is provided with a fixing plate 304 at the top, and an electric lifting rod 305 is provided on the side wall of the fixing plate 304, a fixing frame 306 is provided at the top of the heat dissipation pipe 301, and a hinge plate 307 is hinged inside the fixing frame 306, a slide rail 308 is provided at the top of the hinge plate 307, and a slider body 309 is provided inside the slide rail 308, a mounting plate 3010 is provided at the top of the slider body 309, and the mounting plate 3010 is hinged to one end of the electric lifting rod 305, a connecting plate 3011 is provided at the bottom end of the hinge plate 307, and a sealing cover plate 3012 is provided on the side wall of the connecting plate 3011, and a sealing ring is provided through the side wall of the sealing cover plate 3012, so as to make the sealing cover plate 3012 have a better sealing effect on the heat dissipation pipe 301;

[0044] The sealing cover plate 3012 cooperates with the heat dissipation tube 301 , and a sealing ring is installed on the side wall of the sealing cover plate 3012 , so that the sealing cover plate 3012 has a better sealing effect on the heat dissipation tube 301 .

[0045] The specific working principle is that when it is necessary to quickly dissipate the heat of the distributed optical fiber sensor transformer body 1, first, the electric lifting rod 305 is started, and the fixed frame 306 and the hinge plate 307 are hinged to each other, and the slide rail 308 and the slider body 309 cooperate with each other to start the electric lifting rod 305 to drive the slider body 309 to slide inside the slide rail 308 and drive the hinge plate 307 to rotate inside the fixed frame 306, so that the hinge plate 307 can be rotated to drive the connecting plate 3011 and the sealing cover plate 3012 to rotate at the same time to open and close the heat dissipation pipe 301, and at the same time, the heat dissipation fan 302 is started to drive the air inside the distributed optical fiber sensor transformer body 1 to open the sealing cover plate 3012 and be discharged through the heat dissipation pipe 301, so as to quickly dissipate the heat of the distributed optical fiber sensor transformer body 1.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A distributed optical fiber sensor strain monitoring device, characterized in that: include, A distributed optical fiber sensor transformer body (1), comprising a filter screen assembly (101) arranged on a side wall of one side of the distributed optical fiber sensor transformer body (1), a base (102) being installed at the bottom end of the distributed optical fiber sensor transformer body (1), and a pull rod (103) being installed on the side wall of one side of the distributed optical fiber sensor transformer body (1); A cleaning mechanism (2), comprising a mounting frame (201), the mounting frame (201) being mounted on a side wall at one end of a distributed optical fiber sensor transformer body (1), a through hole (202) being provided at the bottom end of the mounting frame (201), a driving motor (203) being mounted on the side wall at one end inside the mounting frame (201), and a forward and reverse screw rod body (204) being mounted on the output end of the driving motor (203) via a coupling, a sliding block (205) being sleeved on the outer wall of the forward and reverse screw rod body (204), and a threaded hole (206) being provided inside the sliding block (205), the threaded hole (206) being threadedly connected to the forward and reverse screw rod body (204), and a cleaning plate (209) being mounted at the bottom end of the sliding block (205); The heat dissipation mechanism (3) comprises a heat dissipation pipe (301), the heat dissipation pipe (301) being mounted on a side wall at one end of a main body (1) of a distributed optical fiber sensor transformer, a heat dissipation fan (302) being mounted inside the heat dissipation pipe (301), a filter screen main body (303) being mounted inside the heat dissipation pipe (301), a fixing plate (304) being mounted on the top end of the heat dissipation pipe (301), an electric lifting rod (305) being mounted on the side wall of the fixing plate (304), and a fixing frame (306) being mounted on the top end of the heat dissipation pipe (301). ), and a hinged plate (307) is hinged inside the fixed frame (306), a slide rail (308) is installed at the top of the hinged plate (307), and a slider body (309) is arranged inside the slide rail (308), a mounting plate (3010) is installed at the top of the slider body (309), and the mounting plate (3010) is hinged to one end of the electric lifting rod (305), a connecting plate (3011) is installed at the bottom end of the hinged plate (307), and a sealing cover plate (3012) is installed on the side wall of the connecting plate (3011).

2. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: A sliding rod (207) is installed on the side wall of one end of the installation frame (201), and a sliding sleeve (208) is sleeved on the outer wall of the sliding rod (207), and the bottom end of the sliding sleeve (208) is fixedly connected to the top end of the sliding block (205).

3. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: The side walls of the cleaning plate (209) are all installed with a brush body (2091), and one end of the brush body (2091) is tightly fitted with the filter assembly (101).

4. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: The sealing cover plate (3012) cooperates with the heat dissipation pipe (301), and a sealing ring is installed on the side wall of the sealing cover plate (3012).

5. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: The pull rod (103) and the side wall of the distributed optical fiber sensing transformer body (1) are welded into an integrated structure, and a protective pad is installed on the outer wall of the pull rod (103).

6. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: There are two groups of cleaning plates (209) of the same structure, and the top end of the cleaning plate (209) and the bottom end of the sliding block (205) are welded into an integrated structure.

7. A distributed optical fiber sensing strain monitoring device as claimed in claim 1, characterized in that: An anti-slip pad is installed at the bottom end of the base (102).

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