CN219179624U - Optical fiber sensing detection device for preventing cable from being broken outside - Google Patents
Optical fiber sensing detection device for preventing cable from being broken outside Download PDFInfo
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- CN219179624U CN219179624U CN202222557436.3U CN202222557436U CN219179624U CN 219179624 U CN219179624 U CN 219179624U CN 202222557436 U CN202222557436 U CN 202222557436U CN 219179624 U CN219179624 U CN 219179624U
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Abstract
The utility model discloses an optical fiber sensing detection device for preventing cable from being broken outwards, which comprises a signal transmitting device, a signal receiving device and an optical fiber transmission line, wherein the optical fiber transmission line is laid above a cable which needs to be prevented from being broken by external force, the signal transmitting device and the signal receiving device are respectively connected to two ends of the optical fiber transmission line through easily-falling buckles, and keep optical fiber signals on during operation, when the optical fiber transmission line is broken by external force or the easily-falling buckles are separated by external short-distance periodic vibration, the optical fiber signals are interrupted, and the signal receiving device gives out alarm and early warning. The utility model skillfully utilizes the continuity characteristic of optical fiber signal transmission, triggers an alarm after signal interruption, reminds the on-site constructors and remote operation and maintenance personnel to pay attention to cable damage, effectively plays an early warning role, avoids the regional power failure caused by the damage of the power cable, and greatly lightens the inspection working intensity of the existing staff.
Description
Technical Field
The utility model relates to cable protection equipment, in particular to an optical fiber sensing detection device for preventing cable from being broken.
Background
In order to avoid potential safety hazards caused by direct exposure of cables to the outside and ensure the attractiveness of cities, many cables are laid underground. However, with the gradual development and promotion of urban infrastructure, foundation excavation is needed in many places, which causes serious safety crisis for cables laid underground, and once the cables are accidentally excavated, regional power failure tripping is caused, thus causing serious influence on resident life and enterprise production. According to the statistics of the applicant, the power failure condition of the region where the power failure condition is caused by excavation of the foundation by the foundation construction engineering reaches more than 60%, and the situation is very serious. The existing solution is that the personnel to be added patrol and guard, which is time-consuming and labor-consuming, especially facing a large number of construction sites, a large number of personnel need to be arranged for a single work, and the shortage of hands is a huge problem; even so, the condition that the cable is primarily damaged and bad can not be found at the first time, and the construction is suspended, so that the cable is broken. In this regard, the applicant develops a set of device according to the actual application demand for automatic monitoring cable can appear the condition of damage, improves staff's efficiency outward.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the optical fiber sensing detection device for preventing the cable from being broken, which utilizes optical fibers to monitor the external construction motion and the external construction motion above an underground cable, early warns and alarms the situation of the cable breaking in advance, and is convenient for constructors to stop in time and operation and maintenance staff to maintain and overhaul in time.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an prevent that cable breaks optic fibre sensing detection device outward, includes signal transmitting device, signal receiving device and optical fiber transmission line, optical fiber transmission line lays in the cable top that needs to prevent external force damage, signal transmitting device and signal receiving device connect in the both ends of optical fiber transmission line through easy whereabouts buckle respectively to keep the optical fiber signal switch-on when the operation, when external force damage optical fiber transmission line or outside closely periodic vibration let easy whereabouts buckle disconnect, optical fiber signal interrupt, signal receiving device sends the warning early warning.
Specifically, the signal transmitting device comprises a first protective shell, a first power module and an optical fiber signal transmitter, wherein the first power module and the optical fiber signal transmitter are arranged in the first protective shell, a first power supply interface and a first signal interface are arranged on the first protective shell, the first power supply interface is connected with the first power module, the first power module supplies power for the optical fiber signal transmitter, the first signal interface is connected with the optical fiber signal transmitter, the first signal interface is spliced with the end part of an optical fiber transmission line, and the easy-falling buckle is clamped on the surface of the first signal interface.
Specifically, the signal receiving device comprises a second protective shell, a second power module, an optical fiber signal receiver, a controller, an SIM card module, an alarm module and a second power supply interface and a second signal interface, wherein the second power module, the optical fiber signal receiver, the controller, the SIM card module and the alarm module are arranged in the second protective shell, the second power supply interface and the second power module are arranged on the second protective shell, the second power module is used for supplying power to the optical fiber signal receiver, the controller, the SIM card module and the alarm module, the controller is respectively connected with the optical fiber signal receiver, the second signal interface is spliced with the end part of an optical fiber transmission line, and the second power supply interface is easy to fall off and clamped on the surface of the second signal interface.
Specifically, the first power supply module and the second power supply module both comprise an external power supply unit and a storage battery, the external power supply unit is used for connecting the first power supply interface or the second power supply interface, and the commercial power or the built-in storage battery can be selected to supply power according to actual conditions.
More specifically, the end part of the optical fiber transmission line is configured as a rectangular plug, and the easy-to-drop buckle comprises clamping arms respectively arranged on two opposite side surfaces of the rectangular plug and protruding points arranged on the inner side surfaces of the clamping arms; the first signal interface is configured into a rectangular insertion barrel matched with a rectangular plug at the end part of the optical fiber transmission line, the outer surface of the rectangular insertion barrel is flat, and the two clamping arms are contacted through convex points and clamped on the corresponding outer surface of the rectangular insertion barrel; the second signal interface has the same structure as the first signal interface.
Further, wavy lines are arranged on two opposite side surfaces of the rectangular insertion barrel, and the two wavy lines are arranged in a staggered manner; the convex points on the clamping arms are configured into single-point cambered surfaces matched with the wavy lines; the clamping of the easy-falling buckle to the signal interface is improved to a certain extent, and accidental false triggering of external vibration is avoided.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model skillfully utilizes the continuity characteristic of optical fiber signal transmission, lays the optical fiber transmission line at the position above the buried cable which needs to be prevented from being broken, and both ends of the optical fiber transmission line are respectively connected with the signal transmitting device and the signal receiving device through the easy-to-drop buckles, so that when the periodic vibration caused by external construction approaches the optical fiber transmission line, the periodic vibration causes the end connection point of the optical fiber transmission line to drop along with the vibration, the signal receiving device is triggered to alarm after being interrupted by a signal, the on-site constructor and the far-end operation and maintenance personnel are reminded of paying attention to the cable damage, the early warning effect is effectively played, the regional power failure caused by the damage of the electric cable is avoided, and the inspection working intensity of the existing staff is greatly lightened.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a block diagram of a signal transmitting apparatus according to an embodiment of the present utility model.
Fig. 3 is a block diagram of a signal receiving apparatus according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a connection structure of an easy-to-drop buckle in an embodiment of the utility model.
Fig. 5 is a schematic view of another connection structure of the easy-to-drop buckle according to an embodiment of the present utility model.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and examples, embodiments of which include, but are not limited to, the following examples.
Examples
As shown in fig. 1, the optical fiber sensing detection device for preventing the cable from being broken outside comprises a signal transmitting device 1, a signal receiving device 2 and an optical fiber transmission line 3, wherein the optical fiber transmission line is laid above a cable 4 which needs to be broken by external force, the signal transmitting device and the signal receiving device are respectively connected to two ends of the optical fiber transmission line through easy-falling buckles, and keep optical fiber signals on during operation, and when the optical fiber transmission line is broken by external force or the easy-falling buckles are broken by external force due to short-distance periodic vibration, the optical fiber signals are interrupted, and the signal receiving device gives out alarm and early warning.
As shown in fig. 2, the signal transmitting device includes a first protective housing 5, a first power module 6 and an optical fiber signal transmitter 7 disposed in the first protective housing, so as to be disposed on a first power supply interface 8 and a first signal interface 9 on the first protective housing, where the first power supply interface is connected with the first power module, the first power module supplies power to the optical fiber signal transmitter, the first signal interface is connected with the optical fiber signal transmitter, the first signal interface is plugged with an end of the optical fiber transmission line, and the easy-to-drop buckle is clamped on the surface of the first signal interface. The optical fiber signal transmitter generates an excitation light signal according to the electric signal so as to be transmitted by an optical fiber transmission line.
As shown in fig. 3, the signal receiving apparatus includes a second protective housing 10, a second power module 11, an optical fiber signal receiver 12, a controller 13, a SIM card module 14 and an alarm module 15 that are disposed in the second protective housing, and a second power interface 16 and a second signal interface 17 that are disposed on the second protective housing, where the second power interface is connected with the second power module, the second power module supplies power to the optical fiber signal receiver, the controller, the SIM card module and the alarm module, the controller is connected with the optical fiber signal receiver, the SIM card module and the alarm module respectively, the second signal interface is connected with the optical fiber signal receiver, and the second signal interface is spliced with the end of the optical fiber transmission line and is easy to fall off and clamped on the surface of the second signal interface. The optical fiber signal receiver receives the optical signal, converts the optical signal into an electric signal and transmits the electric signal to the controller, the controller is configured into a trigger mode, the signal is continuous during normal operation, the triggering condition is signal interruption, the triggered execution signal is sent to the alarm module to carry out local sound/light alarm, construction personnel is reminded to pause construction in time, the triggered execution signal is sent to the SIM card module, an alarm short message is sent to remote operation and maintenance personnel, and the operation and maintenance personnel is reminded to check the condition of the construction place in time.
Specifically, the first power supply module and the second power supply module both comprise an external power supply unit and a storage battery, the external power supply unit is used for connecting the first power supply interface or the second power supply interface, and the commercial power or the built-in storage battery can be selected to supply power according to actual conditions.
The electronic devices adopted in the utility model are all commercially available and have basic functions, for example, the optical fiber signal transmitter/receiver only needs to ensure that signals can be normally transmitted and received, for example, the controller only needs to ensure that corresponding trigger execution signals are sent when trigger conditions are met, for example, the power supply module only needs to ensure stable power supply, for example, the alarm module only needs to send out a warning under specific conditions, for example, the SIM card module only needs to send out a warning short message under specific conditions, and all the corresponding electronic devices capable of meeting the basic functions can be used according to the requirements of the utility model.
As shown in fig. 4, the end of the optical fiber transmission line is configured as a rectangular plug 20, and the easy-to-drop buckle includes a clamping arm 21 respectively disposed on two opposite sides of the rectangular plug, and a bump 22 disposed on an inner side of the clamping arm; the first signal interface is configured as a rectangular insertion cylinder 23 matched with a rectangular plug at the end part of the optical fiber transmission line, the outer surface of the rectangular insertion cylinder is flat, and the two clamping arms are contacted through convex points and clamped on the corresponding outer surface of the rectangular insertion cylinder; the second signal interface has the same structure as the first signal interface. The working principle of the easy-to-drop buckle is that after the rectangular plug and the rectangular plug barrel which are connected by the optical fiber are spliced, the surfaces of the rectangular plug barrel are clamped by utilizing two clamping arms and the upper protruding points of the two clamping arms, so that basic clamping force is provided for splicing, and the signal transmission is stable in a normal state; because the outer surface of the rectangular inserting cylinder is smooth, the clamping force of the clamping arm on the rectangular inserting cylinder is not large, when vibration generated by external construction acts on the optical fiber transmission line in a short distance, a certain pulling action is carried out on the wire, the pulling action of the short-distance periodic vibration is used for counteracting the clamping force of the clamping arm, the rectangular plug at the end part of the optical fiber transmission line is gradually pulled out of the rectangular inserting cylinder, and signal interruption is caused, so that an alarm is triggered.
As shown in fig. 5, the further improvement on the structure improves the clamping of the easy-to-drop buckle to the signal interface to a certain extent, avoids accidental false triggering by external vibration, adopts a structure that wavy lines 24 are arranged on two opposite side surfaces of the rectangular insertion barrel, and the two wavy lines are arranged in a staggered manner; the convex points on the clamping arms are configured into single-point cambered surfaces matched with the wavy lines. The clamping relationship between the salient points of the single-point cambered surfaces and the wavy lines can be utilized, the clamping of the clamping arms on the surface of the rectangular plug barrel in a normal state can be improved, accidental detachment of the rectangular plug caused by occasional external vibration is avoided, and when the short-distance periodic vibration caused by construction is faced, the wavy lines which are opposite and arranged in a staggered manner can also enable the salient points to slide outwards gradually, so that signal connection disconnection is caused to trigger an alarm. It should be noted that the height of the protrusions of the wavy lines is designed in advance according to the stress condition, so that the protrusions are not too high, and the situation that the protrusions cannot be separated is avoided.
Through the design, the utility model improves the working efficiency and the inspection quality of operation and maintenance staff, solves the problems of long inspection time and high difficulty caused by cable laying in a hidden space, avoids the waste of labor force and energy of first-line staff, changes the original inspection mode, and ensures that the operation and maintenance staff can make quick response while reducing inspection in a construction area. And the risk of external damage suffered by the cable is reduced, the life safety of mining vehicles and personnel on the construction site is ensured, various losses caused by power failure are reduced, the risk of complaint of potential users is avoided, and the service quality of power supply enterprises is greatly improved.
The above embodiments are only preferred embodiments of the present utility model, and not intended to limit the scope of the present utility model, but all changes made by adopting the design principle of the present utility model and performing non-creative work on the basis thereof shall fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a prevent that cable breaks optic fibre sensing detection device outward, its characterized in that, includes signal transmitting device, signal receiving device and optical fiber transmission line, optical fiber transmission line lays in the cable top that needs external force to prevent breaking, signal transmitting device and signal receiving device connect in the both ends of optical fiber transmission line through easy drop buckle respectively to keep the optical fiber signal switch-on when the operation, when external force destroys optical fiber transmission line or outside closely periodic vibration lets easy drop buckle disconnect, optical fiber signal interrupt, signal receiving device sends the warning early warning.
2. The optical fiber sensing detection device for preventing cable from being broken outside according to claim 1, wherein the signal transmitting device comprises a first protective shell, a first power module and an optical fiber signal transmitter are arranged in the first protective shell, a first power supply interface and a first signal interface are arranged on the first protective shell, the first power supply interface is connected with the first power module, the first power module supplies power to the optical fiber signal transmitter, the first signal interface is connected with the optical fiber signal transmitter, the first signal interface is spliced with the end part of an optical fiber transmission line, and the easy-to-drop buckle is clamped on the surface of the first signal interface.
3. The optical fiber sensing detection device for preventing cable external breakage according to claim 2, wherein the signal receiving device comprises a second protective shell, a second power module, an optical fiber signal receiver, a controller, a SIM card module and an alarm module which are arranged in the second protective shell, and a second power supply interface and a second signal interface which are arranged on the second protective shell, wherein the second power supply interface is connected with the second power module, the second power module supplies power for the optical fiber signal receiver, the controller, the SIM card module and the alarm module, the controller is respectively connected with the optical fiber signal receiver, the SIM card module and the alarm module, the second signal interface is connected with the optical fiber signal receiver, the second signal interface is spliced with the end part of the optical fiber transmission line, and the easy-falling buckle is clamped on the surface of the second signal interface.
4. The optical fiber sensing detection device for preventing cable from being broken outside according to claim 3, wherein the first power supply module and the second power supply module comprise an external power supply unit and a storage battery, and the external power supply unit is used for being connected with the first power supply interface or the second power supply interface.
5. The cable outside-break-preventing optical fiber sensing detection device according to claim 3 or 4, wherein the end part of the optical fiber transmission line is configured as a rectangular plug, and the easy-to-drop buckle comprises clamping arms respectively arranged on two opposite side surfaces of the rectangular plug and protruding points arranged on the inner side surfaces of the clamping arms; the first signal interface is configured into a rectangular insertion barrel matched with a rectangular plug at the end part of the optical fiber transmission line, the outer surface of the rectangular insertion barrel is flat, and the two clamping arms are contacted through convex points and clamped on the corresponding outer surface of the rectangular insertion barrel; the second signal interface has the same structure as the first signal interface.
6. The optical fiber sensing detection device for preventing cable external breakage according to claim 5, wherein the two opposite side surfaces of the rectangular insertion barrel are also provided with wavy lines, and the two wavy lines are arranged in a staggered manner; the convex points on the clamping arms are configured into single-point cambered surfaces matched with the wavy lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222557436.3U CN219179624U (en) | 2022-09-26 | 2022-09-26 | Optical fiber sensing detection device for preventing cable from being broken outside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222557436.3U CN219179624U (en) | 2022-09-26 | 2022-09-26 | Optical fiber sensing detection device for preventing cable from being broken outside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219179624U true CN219179624U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222557436.3U Active CN219179624U (en) | 2022-09-26 | 2022-09-26 | Optical fiber sensing detection device for preventing cable from being broken outside |
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| Country | Link |
|---|---|
| CN (1) | CN219179624U (en) |
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- 2022-09-26 CN CN202222557436.3U patent/CN219179624U/en active Active
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