CN220772339U

CN220772339U - Optical cable arrangement structure for detection

Info

Publication number: CN220772339U
Application number: CN202322633802.3U
Authority: CN
Inventors: 郭毅; 王卓然; 朱勉; 杨一帆
Original assignee: Wuhan Hanke Micro Sensing Technology Co ltd
Current assignee: Wuhan Hanke Micro Sensing Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-12
Anticipated expiration: 2033-09-26

Abstract

The utility model relates to a detection optical cable arrangement structure which comprises a screen plate, wherein detection optical cables are paved on the screen plate and are bound on the screen plate through binding belts, the binding belts comprise connecting parts, the connecting parts comprise first surfaces and second surfaces, and at least one elastic protective layer is adhered on the first surfaces. When encountering natural wind, the elastic protection layer can offset the vibration force of the detection optical cable, so that the stability of vibration detection can be ensured, and the influence of natural wind on the detection precision is prevented.

Description

Optical cable arrangement structure for detection

Technical Field

The utility model relates to the technical field of detection optical cable layout, in particular to a detection optical cable layout structure.

Background

The accurate positioning type optical cable early warning system is a vibration detection system based on spontaneous Rayleigh scattering effect and coherent optical time domain reflection technology. The system utilizes the back Rayleigh scattering signal generated when laser is transmitted in the optical cable to acquire the space vibration distribution information and the space positioning information according to the optical time domain reflection principle and the radar working principle. The vibration signal of the optical fiber along the line can be continuously monitored, the space positioning precision reaches 4 meters, an optical cable (the optical cable is a transmission medium and a sensing medium) with a length of several kilometers is paved on the space to be measured, the vibration information of each point of the space of the whole optical fiber can be continuously measured and accurately positioned, the environment change of the optical fiber is detected through the change of the optical parameter on the optical cable, and the vibration signal and the intrusion position of the intrusion signal are determined by combining the OTDR space positioning technology.

In the related art, the utility model patent of application number 201820132236.4 relates to a tiled fence suitable for vibration sensing optical cable, comprising: the aluminum-plastic net consists of a plurality of aluminum-plastic pipes which are transversely and longitudinally staggered, wherein the transverse aluminum-plastic pipes are arranged at equal intervals, and the longitudinal aluminum-plastic pipes are arranged at equal intervals; the square holes are formed by intersecting two adjacent transverse aluminum plastic pipes and two adjacent longitudinal aluminum plastic pipes, and the sizes of all the square holes are equal; the vibration sensing optical cable is tiled on the aluminum-plastic net and is fixed with the aluminum-plastic net through a binding belt. The beneficial effects of the utility model are as follows: construction is simple, adopts plastic-aluminum rail to tiling in ground or entity enclose wall upper end, under someone's climbing or trample the condition of rail, can guarantee to touch tiling type rail vibration and make vibration sensing optical cable vibration on it, play the effect of warning, also can avoid violent rocking that the strong wind leads to, but greatly reduced pipeline station and piping lane's installation degree of difficulty and reduce the risk of invasion, the reliability is high.

For among the above-mentioned prior art, through the mode of bandage ligature, the bandage is outdoor through efflorescence, and the bandage is become flexible gradually. When encountering natural wind, the optical cable can shake strongly, and vibration force can be generated when the optical cable collides with the screen plate, so that the detection effect of the optical cable can be influenced.

Disclosure of Invention

Based on the expression, the utility model provides a detection optical cable arrangement structure, and aims to solve the problem that the detection effect of the optical cable is affected after the existing arrangement structure is bound through a binding belt and weathered.

The technical scheme for solving the technical problems is as follows:

the utility model provides a survey optical cable arrangement structure, includes the otter board, survey optical cable tiling in on the otter board, and will survey optical cable ligature in on the otter board through the bandage, the bandage includes connecting portion, connecting portion include first surface and second surface, paste at least one deck elastic protection layer on the first surface.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting part and at least one layer of elastic protective layer are sleeved with waterproof sleeves.

Further, the strap includes a locking portion fixed to the first end of the connecting portion, and the locking portion locks the connecting portion after the second end of the connecting portion passes through the locking portion.

Further, a plurality of clamping protrusions are arranged on the second surface at intervals in the direction facing the locking portion, a locking area is formed between every two adjacent clamping protrusions, the waterproof sleeve is provided with openings at the positions of the plurality of clamping protrusions, and the openings can enable the plurality of clamping protrusions to be exposed out of the waterproof sleeve.

Further, the locking portion includes shell, locking subassembly and unblock subassembly, have the locking space in the shell, the shell be close to one side of connecting portion and keep away from one side of connecting portion all have with the cross-under passageway of locking space intercommunication, locking subassembly set up in the locking space, unblock subassembly is configured to can make locking subassembly is kept away from locking region.

Further, locking assembly includes rotatory casing, cardboard and elastic element, rotatory casing both ends all pass through the torsional spring with the through-hole that locking space corresponds is connected, rotatory casing with the cardboard all is the protruding font, the one end of cardboard passes rotatory casing and extend to in the locking space, elastic element set up in the cardboard with between the rotatory casing.

Further, the unlocking assembly comprises a pressing bar and a push rod, the pressing bar is located above the clamping plate, one end of the push rod is fixed with the pressing bar, and the other end of the push rod penetrates through the rotary shell and extends out of the shell.

Further, the locking part comprises a handle, and the handle and the end part of the push rod, which is positioned outside the shell, are fixed.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

(1) When encountering natural wind, the elastic protection layer can offset the vibration force of the detection optical cable, so that the stability of vibration detection can be ensured, and the influence of natural wind on the detection precision is prevented.

(2) The setting of connecting portion and locking portion is passed through in this application, can realize that connecting portion carries out quick assembly disassembly with locking portion to be convenient for survey optical cable maintenance or change.

(3) When the connecting portion of this application inserts locking space to through the continuous removal of connecting portion, connecting portion every pass through a locking region, the joint protruding direction of removal that can promote rotatory casing towards connecting portion upwards overturns. When the connecting portion stops, the rotary shell is restored to be vertical through the torsional spring, and the clamping plate is matched with the current locking area, so that locking connection of the connecting portion is achieved. In this way, a more accurate insertion of the card into the locking area is ensured.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic view of a strap according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a second surface of a connecting portion according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional elevation of a connection in an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic structural view of a locking portion according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of a locking portion in an embodiment of the utility model;

fig. 8 is a schematic structural view of a locking assembly according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

10. a screen plate; 20. a detection optical cable; 30. a strap; 31. a connection part; 31a, a first surface; 31b, a second surface; 311. an elastic protective layer; 312. a waterproof jacket; 313. the clamping bulge; 32. a locking part; 321. a housing; 3211. a locking space; 3212. a cross-connect passage; 322. a locking assembly; 3221. a rotary housing; 3222. a clamping plate; 3223. an elastic element; 323. unlocking the assembly; 3231. pressing strips; 3232. a push rod; 324. a handle.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to the accompanying drawings 1-8, the utility model provides a technical scheme that: the utility model provides a survey optical cable arrangement structure, includes otter board 10, survey optical cable 20 tiling in otter board 10 is with survey optical cable 20 ligature is in on the otter board 10 through bandage 30, bandage 30 includes connecting portion 31, connecting portion 31 include first surface 31a and second surface 31b, paste at least one deck elastic protection layer 311 on the first surface 31 a.

By way of example, the connection 31 may be a sheet-like or plate-like structure or the like. The first end of the connecting portion 31 refers to an end of the connecting portion 31 near the locking portion 32, and the second end of the connecting portion 31 refers to an end of the connecting portion 31 far from the locking portion 32. The elastic protection layer 311 may be elastic rubber or silica gel, etc.

According to this embodiment, when encountering natural wind, the elastic protection layer 311 can counteract the vibration force of the detection optical cable 20, so that the stability of vibration detection can be ensured, and the influence of natural wind on the detection accuracy can be prevented.

Referring to fig. 2-5, in some embodiments, the connecting portion 31 and at least one of the elastic protection layers 311 are sleeved with a waterproof sleeve 312.

According to this embodiment, by doing so, it is possible to prevent rainwater or the like from adhering to the surface of the connection portion 31, reducing the possibility that the rainwater causes oxidation and rust of the connection portion 31.

Referring to fig. 2 and 6-8, in some embodiments, the strap 30 includes a locking portion 32, the locking portion 32 being fixed to a first end of the connecting portion 31, and the locking portion 32 locking the connecting portion 31 after a second end of the connecting portion 31 passes through the locking portion 32.

According to this embodiment, by such arrangement, the connection portion 31 and the locking portion 32 can be quickly disassembled and assembled, thereby facilitating maintenance or replacement of the detection cable 20.

Referring to fig. 3, in some embodiments, the second surface 31b has a plurality of clamping protrusions 313 disposed at intervals in a direction facing the locking portion 32, a locking area is formed between every two adjacent clamping protrusions 313, and the waterproof jacket 312 forms an opening at a position of the plurality of clamping protrusions 313, where the plurality of clamping protrusions 313 are exposed outside the waterproof jacket 312.

According to this embodiment, by doing so, the locking member 322 can be inserted into the locking area, both of which generate friction and can restrict the movement of the connection portion 31 to achieve locking of the connection portion 31.

Referring to fig. 6-8, in some embodiments, the locking portion 32 includes a housing 321, a locking assembly 322 and an unlocking assembly 323, where the housing 321 has a locking space 3211 therein, the housing 321 has a through-passage 3212 communicating with the locking space 3211 on both a side near the connecting portion 31 and a side far from the connecting portion 31, the locking assembly 322 is disposed in the locking space 3211, and the unlocking assembly 323 is configured to enable the locking assembly 322 to be far from the locking region.

According to this embodiment, by providing the locking member 322 and the unlocking member 323, not only the connection portion 31 can be locked quickly, but also the locking member 322 can be released from the connection portion 31 quickly, so that the work efficiency can be improved.

Referring to fig. 7-8, in some embodiments, the locking assembly 322 includes a rotating housing 3221, a catch plate 3222, and an elastic element 3223, both ends of the rotating housing 3221 are connected to corresponding through holes of the locking space 3211 through torsion springs, the rotating housing 3221 and the catch plate 3222 are both in a convex shape, one end of the catch plate 3222 passes through the rotating housing 3221 and extends into the locking space 3211, and the elastic element 3223 is disposed between the catch plate 3222 and the rotating housing 3221.

According to this embodiment, when the connection part 31 is inserted into the locking space 3211 and continuously moves through the connection part 31, the catching protrusion 313 can push the rotating housing 3221 to be turned upward toward the moving direction of the connection part 31 every time the connection part 31 passes through one locking region. When the connecting portion 31 is stopped, the rotating housing 3221 is restored to be vertical through the torsion spring, and the clamping plate 3222 is matched with the current locking area, so that locking connection of the connecting portion 31 is achieved. In this way, a more accurate insertion of the catch plate 3222 into the locking region may be ensured.

Referring to fig. 7, in some embodiments, the unlocking assembly 323 includes a pressing bar 3231 and a pushing bar 3232, the pressing bar 3231 is located above the clamping plate 3222, one end of the pushing bar 3232 is fixed to the pressing bar 3231, and the other end of the pushing bar 3232 passes through the rotating housing 3221 and extends out of the housing 321.

Illustratively, the bead 3231 approximates a P-shaped structure; i.e., bead 3231 has a wider section and a narrower section.

According to this embodiment, when the wider section is located above the card 3222, the card 3222 is moved downward into the locking area to effect locking of the connecting portion 31 by the locking portion 32; during this time, the elastic member 3223 is deformed by compression. When the narrower section is located above the catch plate 3222, the catch plate 3222 is pushed away from the locking area by the reset motion of the elastic element 3223, so as to release the locking portion 32 from the connecting portion 31.

Referring to fig. 2 and 6-7, in some embodiments, the locking portion 32 includes a handle 324, the handle 324 being secured to an end of the push rod 3232 that is located outside the housing 321.

According to this embodiment, it is so arranged that the operator applies force to the push rod 3232.

Specifically, the working principle of the optical detection cable arrangement structure is as follows: during binding, the second end of the connection portion 31 is inserted into the locking space 3211 from the through-connection channel 3212 close to the connection portion 31, and pulled out from the through-connection channel 3212 far from the connection portion 31, so that the connection portion 31 cannot be pulled, and the detection optical cable 20 can be bound on the mesh plate 10. During this period, when the connection portion 31 moves, each time the connection portion 31 passes through one locking area, the snap protrusion 313 can push the rotation housing 3221 to turn upwards toward the moving direction of the connection portion 31. When the connecting portion 31 is stopped, the rotating housing 3221 is restored to be vertical through the torsion spring, and the clamping plate 3222 is matched with the current locking area, so that locking connection of the connecting portion 31 is achieved.

It should be noted that, the model specification of the detection optical cable 20 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the detection cable 20 and its principles are clear to a person skilled in the art and will not be described in detail here.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a survey optical cable arrangement structure, includes otter board (10), survey optical cable (20) tiling in on otter board (10), and will survey optical cable (20) ligature through bandage (30) on otter board (10), a serial communication port, bandage (30) include connecting portion (31), connecting portion (31) include first surface (31 a) and second surface (31 b), paste at least one deck elastic protection layer (311) on first surface (31 a).

2. A detection cable arrangement according to claim 1, characterized in that the connection portion (31) and at least one of the elastic protective layers (311) are sheathed with a waterproof jacket (312).

3. A probe cable arrangement as claimed in claim 2, wherein the strap (30) comprises a locking portion (32), the locking portion (32) being secured to the first end of the connecting portion (31), the locking portion (32) locking the connecting portion (31) after the second end of the connecting portion (31) passes through the locking portion (32).

4. A probing fiber optic cable arrangement according to claim 3, wherein the second surface (31 b) has a plurality of engaging protrusions (313) disposed at intervals in a direction facing the locking portions (32), one locking area being formed between each two adjacent engaging protrusions (313), and the waterproof jacket (312) has openings formed at positions of the engaging protrusions (313), the openings being for exposing the engaging protrusions (313) outside the waterproof jacket (312).

5. The arrangement of claim 4, wherein the locking portion (32) comprises a housing (321), a locking assembly (322) and an unlocking assembly (323), wherein a locking space (3211) is provided in the housing (321), wherein the housing (321) has a through-passage (3212) communicating with the locking space (3211) on both a side close to the connecting portion (31) and a side remote from the connecting portion (31), wherein the locking assembly (322) is provided in the locking space (3211), and wherein the unlocking assembly (323) is configured to enable the locking assembly (322) to be remote from the locking area.

6. The optical fiber cable arrangement structure as claimed in claim 5, wherein the locking assembly (322) comprises a rotary housing (3221), a clamping plate (3222) and an elastic element (3223), both ends of the rotary housing (3221) are connected with corresponding through holes of the locking space (3211) through torsion springs, both the rotary housing (3221) and the clamping plate (3222) are in a convex shape, one end of the clamping plate (3222) penetrates through the rotary housing (3221) and extends into the locking space (3211), and the elastic element (3223) is arranged between the clamping plate (3222) and the rotary housing (3221).

7. The arrangement of claim 6, wherein the unlocking assembly (323) comprises a pressing bar (3231) and a push rod (3232), the pressing bar (3231) is located above the clamping plate (3222), one end of the push rod (3232) is fixed with the pressing bar (3231), and the other end of the push rod (3232) penetrates through the rotary shell (3221) and extends out of the outer shell (321).

8. A probe cable arrangement as claimed in claim 7, wherein the locking portion (32) comprises a handle (324), the handle (324) being secured to an end of the push rod (3232) external to the housing (321).