Mining distributed optical fiber temperature monitoring device

Abstract

The utility model relates to a mining distributed optical fiber temperature monitoring device which comprises a base, and four corners of the lower surface of the base are in threaded connection with threaded ground piles. According to the mining distributed optical fiber temperature monitoring device, a distributed optical fiber body can be placed in the left and right U-shaped frames from the upper sides of the left and right U-shaped frames, the lower surface of the distributed optical fiber body is attached to the bottom wall of the inner cavity of the arc-shaped placement frame, and after the distributed optical fiber body is fixed, the distributed optical fiber body is fixed in the arc-shaped placement frame; the lower surfaces of the left and right temperature sensor bodies are in contact with the upper surface of the distributed optical fiber body, so that the temperature of the distributed optical fiber body can be monitored, and then the left and right telescopic frames are pulled downwards, so that the outer sides of the opposite sides of the left and right bolts are inserted into the left and right clamping grooves in a sliding manner. The hand wheels on the left and right sides can be limited and fixed, so that the stability of contact between the temperature sensor and the outer side of the optical fiber can be improved, and the monitoring accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring devices, in particular to a distributed optical fiber temperature monitoring device for mines. Background Art

[0002] Optical fiber is the abbreviation of optical fiber, which is a fiber made of glass or plastic and can be used as a light transmission tool. Distributed optical fiber is often used in mining. Optical fiber will generate a certain amount of heat energy when working. The temperature of the distributed optical fiber inside the mine can be monitored through the temperature monitoring device.

[0003] For example, Chinese patent CN215832880U discloses a distributed optical fiber temperature monitoring device, including a symmetrically arranged first arc plate; a second arc plate is locked on the first arc plate, a connecting plate is fixedly connected to the second arc plate, an adjusting bolt is threadedly connected to the connecting plate, and a temperature sensor is fixedly connected to the tail end of the adjusting bolt. The utility model facilitates clamping the optical fiber whose temperature needs to be measured, and the temperature of different positions of the optical fiber can be measured through the distribution of temperature sensors.

[0004] Although the above patent facilitates temperature measurement at different positions of the optical fiber through the distribution of temperature sensors, and in this patent, the temperature sensor is brought into contact with the optical fiber and the temperature of the optical fiber is monitored by twisting the adjusting bolt, since there is no limiting structure on the adjusting bolt, the adjusting bolt is easy to loosen, which can easily lead to instability in the contact between the temperature sensor and the outside of the optical fiber, thereby affecting the accuracy of monitoring. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a distributed optical fiber temperature monitoring device for mines, which has the advantages of improving the stability of the contact between the temperature sensor and the outside of the optical fiber, improving the accuracy of monitoring, etc., and solves the problem of making the temperature sensor contact with the optical fiber and monitoring the temperature of the optical fiber by twisting the adjusting bolt. Since there is no limiting structure on the adjusting bolt, the adjusting bolt is easy to loosen, which can easily lead to unstable contact between the temperature sensor and the outside of the optical fiber, thereby affecting the accuracy of monitoring.

[0006] To achieve the above object, the utility model provides the following technical solution: a distributed optical fiber temperature monitoring device for mining, comprising a base, wherein the four corners of the lower surface of the base are threadedly connected with threaded piles, the top of the threaded pile is fixed with a rotating handle, and the upper surface of the base is provided with a fixing mechanism;

[0007] The fixing mechanism includes a U-shaped frame fixed on the left and right sides of the upper surface of the base, support rods are fixed on the left and right sides of the upper surface of the base, arc-shaped placement frames are fixed to the top ends of the support rods on the left and right sides, and a distributed optical fiber body is placed on the upper surface of the arc-shaped placement frame. Connecting plates are fixed to the upper surfaces of the left and right U-shaped frames by bolts, connecting rods are fixed on the left and right sides of the lower surface of the connecting plates, and fixing plates are fixed to the bottom ends of the connecting rods on the left and right sides, and two threaded rods are connected to the internal threads of the fixing plates, and connecting components are provided on the top ends of the threaded rods on the left and right sides.

[0008] Furthermore, the connecting assembly includes a handwheel fixed to the top end of the left and right threaded rods, a lower pressure block is fixed to the bottom end of the threaded rod, a fixing groove is provided on the lower surface of the lower pressure block, a temperature sensor body is fixed inside the fixing groove, two fixing cylinders are fixed inside the fixing plate, a spring is fixed to the top wall of the inner cavity of the fixing cylinder, a telescopic frame is fixed to the lower surface of the spring, the telescopic frame is slidably connected to the inside of the fixing cylinder, a pin is fixed on the upper surface of the telescopic frame, and no less than two slots are provided on the outer side of the handwheel, and the outer sides of the opposite sides of the pins on the left and right sides are slidably inserted into the inside of the left and right slots.

[0009] Furthermore, an anti-slip cover is fixed to the outer side of the rotating handle, and the anti-slip cover is a rubber cover.

[0010] Furthermore, the U-shaped frames on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the base, and the support rods on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the base.

[0011] Furthermore, the arc-shaped placement frame is located on the longitudinal center axis of the base, and the support rods on the left and right sides are located between the opposite sides of the left and right U-shaped frames.

[0012] Furthermore, the threaded rods on the left and right sides are located between the opposite sides of the left and right connecting rods.

[0013] Furthermore, the telescopic frame moves linearly up and down inside the fixed cylinder.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The distributed optical fiber temperature monitoring device for mining can place the distributed optical fiber body from the upper sides of the left and right U-shaped frames to the inside of the left and right U-shaped frames, the lower surface of the distributed optical fiber body fits with the bottom wall of the inner cavity of the arc-shaped placement frame, and then the connecting plate can be fixed to the upper surface of the left and right U-shaped frames by bolts. After being fixed, the left and right hand wheels can be rotated to drive the left and right temperature sensor bodies to move downward, and then the left and right lower pressing blocks press the upper surface of the distributed optical fiber body downward to fix the distributed optical fiber body inside the arc-shaped placement frame, the lower surfaces of the left and right temperature sensor bodies contact with the upper surface parts of the distributed optical fiber body, the temperature of the distributed optical fiber body can be monitored, and then the left and right telescopic frames are pulled downward to make the outer sides of the left and right pins on the opposite sides slide and be plugged into the inside of the left and right card slots, so that the left and right hand wheels can be limited and fixed, thereby improving the stability of the contact between the temperature sensor and the outer side of the optical fiber and improving the accuracy of monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixing mechanism of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the U-shaped frame and the connecting plate of the utility model.

[0019] In the figure: 1 base, 2 threaded piles, 3 rotating handle, 4 fixing mechanism, 401 U-shaped frame, 402 support rod, 403 arc-shaped placement frame, 404 distributed optical fiber body, 405 connecting plate, 406 connecting rod, 407 fixing plate, 408 threaded rod, 409 hand wheel, 410 pressing block, 411 fixing groove, 412 temperature sensor body, 413 fixing cylinder, 414 spring, 415 telescopic frame, 416 latch, 417 card slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1A distributed optical fiber temperature monitoring device for mining in this embodiment includes a base 1, and threaded ground piles 2 are threadedly connected at the four corners of the lower surface of the base 1. A rotating handle 3 is fixed to the top of the threaded ground pile 2. A fixing mechanism 4 is provided on the upper surface of the base 1. The fixing mechanism 4 improves the stability of the contact between the temperature sensor and the outer side of the optical fiber.

[0022] In this embodiment, an anti-slip sleeve is fixed on the outer side of the rotating handle 3, and the anti-slip sleeve is a rubber sleeve.

[0023] It should be noted that the base 1 can be fixed in the mine by rotating the four rotating handles 3 to drive the four threaded ground piles 2 to rotate.

[0024] See also Figure 2-3 In order to improve the stability of the contact between the temperature sensor and the outside of the optical fiber and improve the accuracy of monitoring, in this embodiment, the fixing mechanism 4 includes a U-shaped frame 401 fixed on the left and right sides of the upper surface of the base 1, and support rods 402 are fixed on the left and right sides of the upper surface of the base 1. The top of the left and right support rods 402 is fixed with an arc-shaped placement frame 403, and the upper surface of the arc-shaped placement frame 403 is placed with a distributed optical fiber body 404. The upper surfaces of the left and right U-shaped frames 401 are fixed with connecting plates 405 by bolts, and the left and right sides of the lower surface of the connecting plate 405 are fixed with connecting rods 406. The bottom ends of the left and right connecting rods 406 are fixed with fixing plates 407, and the internal threads of the fixing plate 407 are connected to two threaded rods 408, and the tops of the left and right threaded rods 408 are provided with connecting components.

[0025] In this embodiment, the connecting assembly includes a handwheel 409 fixed to the top of the left and right threaded rods 408, a lower pressure block 410 is fixed to the bottom end of the threaded rod 408, a fixing groove 411 is provided on the lower surface of the lower pressure block 410, a temperature sensor body 412 is fixed inside the fixing groove 411, the temperature sensor body 412 is a prior art and can monitor the stability of the distributed optical fiber body 404, two fixing cylinders 413 are fixed inside the fixing plate 407, a spring 414 is fixed to the top wall of the inner cavity of the fixing cylinder 413, a telescopic frame 415 is fixed to the lower surface of the spring 414, the telescopic frame 415 is slidably connected to the inside of the fixing cylinder 413, a latch 416 is fixed to the upper surface of the telescopic frame 415, and at least two card slots 417 are provided on the outer side of the handwheel 409, and the outer sides of the opposite sides of the left and right side latches 416 are slidably inserted into the inside of the left and right side card slots 417.

[0026] In this embodiment, the distributed optical fiber body 404 can be placed from the upper side of the left and right U-shaped frames 401 to the inside of the left and right U-shaped frames 401, and the lower surface of the distributed optical fiber body 404 is fitted with the bottom wall of the inner cavity of the arc-shaped placement frame 403, and then the connecting plate 405 can be fixed to the upper surface of the left and right U-shaped frames 401 by bolts.

[0027] In this embodiment, the left and right U-shaped frames 401 are symmetrically distributed on the left and right sides of the longitudinal center axis of the base 1, the left and right support rods 402 are symmetrically distributed on the left and right sides of the longitudinal center axis of the base 1, the arc-shaped placement frame 403 is located on the longitudinal center axis of the base 1, and the left and right support rods 402 are located between the opposite sides of the left and right U-shaped frames 401. The left and right hand wheels 409 can be rotated to drive the left and right threaded rods 408 to rotate and move downward inside the connecting plate 405, driving the left and right temperature sensor bodies 412 to move downward, and then the left and right lower pressing blocks 410 press the upper surface of the distributed optical fiber body 404 downward, the left and right threaded rods 408 are located between the opposite sides of the left and right connecting rods 406, and the telescopic frame 415 makes linear movements up and down inside the fixed tube 413.

[0028] It should be noted that the lower surfaces of the left and right temperature sensor bodies 412 are in contact with the upper surface of the distributed optical fiber body 404, so that the temperature of the distributed optical fiber body 404 can be monitored. Then, the telescopic frames 415 on the left and right sides are pulled downward, the left and right springs 414 are stretched, and then the left and right side pins 416 are slidably inserted into the left and right side slots 417 on the opposite sides, so that the left and right hand wheels 409 can be limited and fixed, thereby improving the stability of the contact between the temperature sensor and the outside of the optical fiber and improving the accuracy of monitoring.

[0029] The working principle of the above embodiment is:

[0030] By rotating the four rotating handles 3 to drive the four threaded ground piles 2 to rotate, the base 1 can be fixed in the mine, and then the distributed optical fiber body 404 can be placed from the upper side of the left and right U-shaped frames 401 to the inside of the left and right U-shaped frames 401, and the lower surface of the distributed optical fiber body 404 fits with the bottom wall of the inner cavity of the arc-shaped placement frame 403, and then the connecting plate 405 can be fixed to the upper surface of the left and right U-shaped frames 401 by bolts. After fixing, the hand wheels 409 on the left and right sides can be rotated to drive the left and right threaded rods 408 to rotate inside the connecting plate 405 and move downward, driving the left and right temperature sensor bodies 412 to move downward, and then the left and right sides The lower pressing block 410 presses the upper surface of the distributed optical fiber body 404 downward to fix the distributed optical fiber body 404 inside the arc-shaped placement rack 403, and then the lower surfaces of the left and right temperature sensor bodies 412 are in contact with the upper surface of the distributed optical fiber body 404, so that the temperature of the distributed optical fiber body 404 can be monitored, and then the left and right telescopic racks 415 are pulled downward, the left and right springs 414 are stretched, and then the left and right side pins 416 are slidably inserted into the left and right side slots 417 on the opposite side, so that the left and right hand wheels 409 can be limited and fixed, thereby improving the stability of the contact between the temperature sensor and the outside of the optical fiber and improving the accuracy of monitoring.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A distributed optical fiber temperature monitoring device for mines, comprising a base (1), characterized in that: The four corners of the lower surface of the base (1) are all threadedly connected with threaded piles (2), the top of the threaded pile (2) is fixed with a rotating handle (3), and the upper surface of the base (1) is provided with a fixing mechanism (4); The fixing mechanism (4) comprises a U-shaped frame (401) fixed on the left and right sides of the upper surface of the base (1); support rods (402) are fixed on the left and right sides of the upper surface of the base (1); arc-shaped placement frames (403) are fixed on the top ends of the support rods (402) on the left and right sides; a distributed optical fiber body (404) is placed on the upper surface of the arc-shaped placement frame (403); connecting plates (405) are fixed on the upper surfaces of the U-shaped frames (401) on the left and right sides by bolts; connecting rods (406) are fixed on the left and right sides of the lower surface of the connecting plates (405); fixing plates (407) are fixed to the bottom ends of the connecting rods (406) on the left and right sides; two threaded rods (408) are connected to the internal threads of the fixing plates (407); and connecting components are provided at the top ends of the threaded rods (408) on the left and right sides.

2. A distributed optical fiber temperature monitoring device for mines according to claim 1, characterized in that: The connecting assembly comprises a hand wheel (409) fixed at the top of the left and right threaded rods (408); a lower pressing block (410) is fixed at the bottom end of the threaded rod (408); a fixing groove (411) is provided on the lower surface of the lower pressing block (410); a temperature sensor body (412) is fixed inside the fixing groove (411); two fixing cylinders (413) are fixed inside the fixing plate (407); the top wall of the inner cavity of the fixing cylinder (413) A spring (414) is fixed, a telescopic frame (415) is fixed on the lower surface of the spring (414), the telescopic frame (415) is slidably connected to the inside of the fixed cylinder (413), a latch (416) is fixed on the upper surface of the telescopic frame (415), and the outer side of the hand wheel (409) is provided with no less than two slots (417), and the outer sides of the opposite sides of the latch (416) on the left and right sides are both slidably inserted into the inside of the left and right side slots (417).

3. A distributed optical fiber temperature monitoring device for mines according to claim 1, characterized in that: An anti-slip sleeve is fixed on the outer side of the rotating handle (3), and the anti-slip sleeve is a rubber sleeve.

4. A distributed optical fiber temperature monitoring device for mines according to claim 1, characterized in that: The U-shaped frames (401) on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the base (1), and the support rods (402) on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the base (1).

5. A distributed optical fiber temperature monitoring device for mines according to claim 1, characterized in that: The arc-shaped placement frame (403) is located on the longitudinal center axis of the base (1), and the left and right support rods (402) are located between the opposite sides of the left and right U-shaped frames (401).

6. A distributed optical fiber temperature monitoring device for mines according to claim 1, characterized in that: The left and right threaded rods (408) are located between opposite sides of the left and right connecting rods (406).

7. A distributed optical fiber temperature monitoring device for mines according to claim 2, characterized in that: The telescopic frame (415) moves linearly up and down inside the fixed cylinder (413).

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