Distributed optical fiber temperature measuring device

Abstract

The utility model belongs to the technical field of temperature measuring devices, and particularly relates to a distributed optical fiber temperature measuring device which comprises a host, and a power interface, an indicator light, a network port and a plurality of optical fiber interfaces are arranged on a front side plate of a shell of the host; an optical fiber fixing device is detachably arranged at the optical fiber interface, the optical fiber fixing device comprises a mounting column in threaded connection with the front side plate and a fixing mechanism detachably mounted on the mounting column, and the fixing mechanism comprises a bracket and a clip inserted into the bracket; external threads are arranged at the two ends of the mounting column, and a hexagonal part is arranged on a column body of the mounting column close to one end; and the clips are in one-to-one correspondence with the optical fiber interfaces. The distributed optical fiber temperature measuring device provided by the utility model has the advantages of simple structure and convenience in implementation, and the temperature measuring optical fiber can be conveniently fixed by arranging the fixing device at the optical fiber interface of the host shell, so that the problem of inaccurate temperature measurement caused by looseness of the temperature measuring optical fiber and the optical fiber interface in the use process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to temperature measuring device technical field, concretely relates to a kind of distributed optical fiber temperature measuring device. BACKGROUND

[0002] Distributed optical fiber temperature measuring device is mainly used for long-distance temperature on-line monitoring, such as heat pipe, mass concrete, power system and other fields, temperature is important information that mankind engages in various activities needs to master, and the technology and method to obtain temperature information are more and more scientific, mankind more and more urgently needs to master the temperature variation of their living environment, and distributed optical fiber temperature measuring device is one of common temperature measuring means.

[0003] The prior art optical fiber temperature measuring device mainly includes light source, light receiver, signal processing unit, temperature measuring optical fiber, control unit and display unit;Distributed optical fiber temperature measuring device can collect the data of multiple optical fiber temperature measuring hosts to a processing center for data display by setting network transmission interface, so that the layout cost of equipment is greatly reduced.

[0004] But in the use process, in the use process, temperature measuring optical fiber and host optical fiber interface often loose, cause the instability of data acquisition and the problem of not being able to be collected. Although the prior art also has a patent for fixing temperature measuring optical fiber, but its structure is relatively complex, and there is the problem of inconvenient use. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of distributed optical fiber temperature measuring device to solve the problems in prior art.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] The utility model provides a kind of distributed optical fiber temperature measuring device, including host computer, power interface, indicator light, network port and multiple optical fiber interfaces are provided on the front side plate of the shell of host computer;The optical fiber interface is detachably provided with optical fiber fixing device, the optical fiber fixing device includes mounting column that is screwed on the front side plate and fixed mechanism that is detachably installed on mounting column, the fixed mechanism includes bracket and card that is inserted on bracket;Both ends of mounting column are provided with external thread, six prism parts are provided on the column body close to one end of mounting column;Card and optical fiber interface one-to-one correspondence.

[0008] In the above-mentioned distributed optical fiber temperature measuring device, as preferred scheme, the bracket is a rectangular plate body, and the bracket is uniformly distributed with two pairs of card interfaces for inserting card;The lower side of the bracket is further provided with two sleeve holes for sleeving mounting column, and the diameter of the sleeve hole is slightly larger than the outer diameter of the mounting column.

[0009] In the above-mentioned distributed optical fiber temperature measuring device, as a preferred solution, the clamp includes a U-shaped body, and inclined trapezoidal clamping blocks are arranged at two ends of the U-shaped body; and notches are arranged on two side panels of the U-shaped body.

[0010] In the above-mentioned distributed optical fiber temperature measuring device, as a preferred solution, the clip is made of plastic material, and the inner side of the arc-shaped portion of the U-shaped body of the clip is provided with a plurality of protrusions along the width direction of the clip.

[0011] In the above-mentioned distributed optical fiber temperature measuring device, as a preferred solution, mounting plates are provided at the bottom of the side panels on both sides of the housing of the host.

[0012] The utility model provides a distributed optical fiber temperature measuring device, which has the following beneficial effects:

[0013] The distributed optical fiber temperature measuring device provided by the utility model has the advantages of simple structure and easy implementation. By arranging a fixing device at the optical fiber interface of the host housing, the temperature measuring optical fiber can be conveniently fixed, thereby preventing the temperature measuring optical fiber and the optical fiber interface from loosening during use, resulting in inaccurate temperature measurement.

[0014] There is a protrusion on the inner side of the arc-shaped part of the clip, which can better fix the temperature measuring optical fiber. The mounting column adopts a detachable structure to facilitate the transportation of the host. At the same time, the mounting column of different lengths can be selected according to needs to better adapt to the use environment and support requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0016] Figure 2 A schematic diagram of the connection structure between the box and the mounting column provided in an embodiment of the present utility model;

[0017] Figure 3 A schematic diagram of the bracket structure provided by an embodiment of the present utility model;

[0018] Figure 4 This is a schematic diagram of the clip structure provided by an embodiment of the present utility model. DETAILED DESCRIPTION

[0019] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Exemplary embodiments of the present invention will be described in detail with reference to the following drawings.

[0021] The serial numbers in the figure mean as follows: 1 is the box cover, 2 is the box side panel, 3 is the mounting plate, 4 is the indicator light, 5 is the network port, 6 is the power interface, 7 is the front side panel, 8 is the mounting column, 8-1 is the hexagonal part, 9 is the bracket, 9-1 is the set hole, 9-2 is the clamping hole, 10 is the fastening nut, 11 is the clip, 11-1 is the U-shaped body, 11-2 is the notch, 11-3 is the clamping block, 11-4 is the protrusion, and 12 is the optical fiber interface.

[0022] The following describes exemplary embodiments of the present invention in combination with specific situations:

[0023] like Figures 1 to 4 As shown, the present invention provides a distributed fiber optic temperature measuring device, including a main unit, wherein a power interface 6, an indicator light 4, a network port 5, and a plurality of fiber optic interfaces 12 are provided on the front side panel 7 of the main unit's housing. A fiber optic fixing device is detachably provided on the front side panel 7 at the fiber optic interface 12. The fiber optic fixing device includes a mounting post 8 threadedly connected to the front side panel 7 and a fixing mechanism detachably mounted on the mounting post 8, the fixing mechanism including a bracket 9 and a clip plugged into the bracket 9; both ends of the mounting post 8 are provided with external threads, and a hexagonal portion 8-1 is provided on the body of the mounting post 8 near one end; the clip 11 corresponds one-to-one with the fiber optic interface 12.

[0024] The bracket 9 is a rectangular plate, and card interfaces 9-2 for inserting clips 11 are evenly distributed in groups of two on the bracket 9; two fitting holes 9-1 for fitting mounting columns 8 are also provided on the lower side of the bracket 9. The diameter of the fitting holes 9-1 is slightly larger than the outer diameter of the mounting column 8. This design facilitates the loading and unloading of the bracket 9.

[0025] The clip 11 includes a U-shaped body 11-1 and an inclined trapezoidal clamping block 11-3 arranged at the two ends of the U-shaped body 11-1; slots 11-2 are arranged on the two side panels of the U-shaped body 11-1. The setting of the slot 11-2 can improve the fastening force of the clip 11 by inserting a gasket into the slot 11-2 on the lower side of the bracket 9 when the diameter of the temperature measuring optical fiber is small.

[0026] The clip 11 is made of plastic, and the inner side of the curved portion of the U-shaped body 11-1 of the clip is provided with multiple protrusions 11-4 along the width direction of the clip 11. The bottom of the box side panels 2 on both sides of the main housing are provided with mounting plates 3, and the cover plate of the main housing is removably mounted to the upper portion of the main housing by bolts.

[0027] Working principle: After fixing the host in the use position, install the mounting post to the front side panel, put the bracket on the mounting post, and fix it with a fastening nut; then insert the temperature measuring fiber into the fiber optic interface and use a clip to fix the temperature measuring fiber to the bracket; finally, insert the power and network cables; when disassembling, just remove the clip and then pull out the temperature measuring fiber. The fixing device can be left on or removed.

[0028] Finally, it should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0029] The above uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A distributed optical fiber temperature measurement device, comprising a host, characterized in that: The front side panel of the host shell is provided with a power interface, an indicator light, a network port and multiple fiber optic interfaces; a fiber optic fixing device is detachably provided at the fiber optic interface, and the fiber optic fixing device includes a mounting post threadedly connected to the front side panel and a fixing mechanism detachably mounted on the mounting post, and the fixing mechanism includes a bracket and a clip plugged into the bracket; both ends of the mounting post are provided with external threads, and a hexagonal portion is provided on the column body of the mounting post near one end; the clips correspond one-to-one to the fiber optic interfaces.

2. The distributed optical fiber temperature measurement device according to claim 1, characterized in that: The bracket is a rectangular plate, and card interfaces for inserting clips are evenly distributed in groups of two on the bracket; two fitting holes for fitting mounting columns are also provided on the lower side of the bracket, and the diameter of the fitting holes is larger than the outer diameter of the mounting column.

3. The distributed optical fiber temperature measurement device according to claim 1, characterized in that: The clip comprises a U-shaped body and oblique trapezoidal clamping blocks arranged at two ends of the U-shaped body; and notches are arranged on two side plates of the U-shaped body.

4. The distributed optical fiber temperature measurement device according to claim 3, characterized in that: The clip is made of plastic material, and the inner side of the arc portion of the U-shaped body of the clip is provided with a plurality of protrusions along the width direction of the clip.

5. The distributed optical fiber temperature measurement device according to claim 1, characterized in that: The bottoms of the side panels on both sides of the housing of the host are each provided with a mounting plate.

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