CN214198198U

CN214198198U - Optical fiber vibration sensor

Info

Publication number: CN214198198U
Application number: CN202021796511.6U
Authority: CN
Inventors: 陈茂云; 刘霞
Original assignee: Jiangsu Eptec Intelligent Technology Co Ltd
Current assignee: Jiangsu Eptec Intelligent Technology Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-09-14
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an optic fibre vibration sensor, which comprises a host computer, the front end surface of host computer is provided with the public address lid, the rear end surface of host computer is provided with connection optical cable and No. two connection optical cables. The optical fiber vibration early warning system has the functions of instant early warning, accurate positioning and all-weather real-time monitoring of linkage defense, solves the threats of various damage events faced in the process of conveying energy sources such as natural gas, petroleum pipelines and the like at the present stage on the basis of man-machine joint defense, and the induction optical cable of the optical fiber vibration early warning system is laid above the pipelines and used as a distributed sensor to carry out long-distance real-time monitoring on the soil vibration condition along the pipelines. Through intelligent analysis of soil vibration signals along the pipeline, damage events threatening the pipeline safety, such as mechanical construction, rolling, excavation, punching and the like, are judged, and a target is accurately positioned and accurately alarmed, so that early warning of the pipeline safety is realized.

Description

Optical fiber vibration sensor

Technical Field

The utility model relates to a shock sensor field, in particular to optic fibre shock sensor.

Background

With the rapid development of economy in China, the national demand for energy is greater and stronger, and the oil and gas pipeline is taken as the national energy artery, plays a very important role in energy transportation and energy supply in China, and the security measures are also very important. The national and local governments invest a great deal of manpower, material resources and financial resources in the aspect of oil and gas pipeline protection, but pipeline safety events occur frequently, so that huge economy is caused along with rapid development of the economy of China, the national demand for energy is larger and stronger, the oil and gas pipeline is used as an energy artery of the country, the oil and gas pipeline plays a significant role in energy transportation and energy supply of China, and security measures of the oil and gas pipeline are also very important. The national and local governments invest a great deal of manpower, material resources and financial resources in the aspect of oil and gas pipeline protection, but pipeline safety events occur occasionally, so that huge economic loss is caused, casualties and environmental pollution are frequently caused, and the normal production and life of people, even the national safety, are seriously influenced.

At present, the oil and gas pipeline monitoring system in China is still relatively lagged behind, most security measures are left on the basis of manual patrol, and although some research units in China already start the development of automatic monitoring systems, the problems of poor system stability, low sensitivity, high false alarm rate and false alarm rate, failure in accurately positioning fault points, low informatization degree and the like exist.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an optical fiber vibration sensor, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an optic fibre vibration sensor, includes the host computer, the front end surface of host computer is provided with the public address lid, the rear end surface of host computer is provided with connection optical cable and No. two connection optical cables, the side surface of a connection optical cable and No. two connection optical cables is provided with the optical cable connecting band, the rear end surface of optical cable connecting band is provided with response optical cable and No. two response optical cables, one side surface of a response optical cable is provided with the originated case of sensing, one side surface of the originated case of sensing is provided with No. three response optical cables and No. four response optical cables, one side surface of No. two response optical cables is provided with the sensing terminal box, the side surface of the originated case of sensing is provided with optical cable connector, connecting block and fixed block.

By adopting the technical scheme, the following technical effects can be achieved:

preferably, a connection optical cable and No. two connection optical cables respectively with host computer and optical cable connecting band fixed connection, No. one response optical cable and No. two response optical cables respectively with optical cable connecting band fixed connection.

preferably, the rear end surface of public address lid is provided with the reservation groove, the reservation inslot side is provided with the signal alarm, be fixed connection between signal alarm and the host computer, be fixed connection between public address lid and the host computer.

preferably, the optical cable connectors are respectively and fixedly connected with a sensing optical cable, a second sensing optical cable, a third sensing optical cable, a fourth sensing optical cable, a sensing initial box and a sensing terminal box, the number of the optical cable connectors is six, and the sensing initial box and the sensing terminal box are respectively distributed in three groups.

preferably, the fixed block is provided with four groups of through holes, the through holes are arranged in an array, the fixed block is respectively and fixedly connected with the sensing starting box and the sensing terminal box, and the fixed block and the through holes are in corresponding relation.

Preferably, the sensing starting box and the sensing terminal box are equally divided into an upper shell and a lower shell, the connecting blocks are arranged at the joints of the shells, the number of the connecting blocks is a plurality of groups, and the connecting blocks are arranged in an array.

By adopting the technical scheme, the following technical effects can be achieved: the fixed protective frame of fixed strip makes the display screen body be difficult for droing.

Compared with the prior art, the utility model discloses following beneficial effect has: the optical fiber vibration early warning system has the functions of instant early warning, accurate positioning and all-weather real-time monitoring of linkage defense, solves the threats of various damage events faced in the process of conveying energy sources such as natural gas, petroleum pipelines and the like at the present stage on the basis of man-machine joint defense, and the induction optical cable of the optical fiber vibration early warning system is laid above the pipelines and used as a distributed sensor to carry out long-distance real-time monitoring on the soil vibration condition along the pipelines. Through intelligent analysis of soil vibration signals along the pipeline, damage events threatening the pipeline safety, such as mechanical construction, rolling, excavation, punching and the like, are judged, and a target is accurately positioned and accurately alarmed, so that early warning of the pipeline safety is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of an optical fiber vibration sensor according to the present invention;

fig. 2 is a front view of an optical fiber vibration sensor according to the present invention;

fig. 3 is an overall view of a sensing start box of the optical fiber vibration sensor of the present invention;

fig. 4 is a longitudinal sectional view of the host of the optical fiber vibration sensor of the present invention.

In the figure: 1. a host; 2. a sound amplifying cover; 3. a first sensing optical cable; 4. a second sensing optical cable; 5. an optical cable connection band; 6. a sensing start box; 7. a third induction optical cable; 8. a fourth induction optical cable; 9. a sensing terminal box; 10. a fixed block; 11. a through hole; 12. connecting blocks; 13. fixing screws; 14. an optical cable connector; 15. A signal alarm; 16. reserving a groove; 17. a first connection optical cable; 18. and a second connecting optical cable.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an optical fiber vibration sensor comprises a host 1, a sound amplifying cover 2 is arranged on the outer surface of the front end of the host 1, a first connection optical cable 17 and a second connection optical cable 18 are arranged on the outer surface of the rear end of the host 1, an optical cable connection belt 5 is arranged on the outer surfaces of the side ends of the first connection optical cable 17 and the second connection optical cable 18, a first sensing optical cable 3 and a second sensing optical cable 4 are arranged on the outer surface of the rear end of the optical cable connection belt 5, a sensing initial box 6 is arranged on the outer surface of one side of the first sensing optical cable 3, a third sensing optical cable 7 and a fourth sensing optical cable 8 are arranged on the outer surface of one side of the sensing initial box 6, a sensing terminal box 9 is arranged on the outer surface of one side of the second sensing optical cable 4, and an optical cable connector 14, a connection block 12 and a fixed block 10 are arranged on the outer surface of the side end of the sensing initial box 6.

A connection optical cable 17 and a second connection optical cable 18 are respectively fixedly connected with the host 1 and the optical cable connecting band 5, and a first induction optical cable 3 and a second induction optical cable 4 are respectively fixedly connected with the optical cable connecting band 5.

The rear end surface of public address lid 2 is provided with preformed groove 16, and preformed groove 16 inboard is provided with signal alarm 15, is fixed connection between signal alarm 15 and the host computer 1, is fixed connection between public address lid 2 and the host computer 1.

The optical cable connectors 14 are fixedly connected with the first sensing optical cable 3, the second sensing optical cable 4, the third sensing optical cable 7, the fourth sensing optical cable 8, the sensing initial box 6 and the sensing terminal box 9 respectively, the number of the optical cable connectors 14 is six, and the sensing initial box 6 and the sensing terminal box 9 are distributed in three groups respectively.

The fixed block 10 is provided with four groups of through holes 11, the through holes 11 are arranged in an array, the fixed block 10 is fixedly connected with the sensing starting box 6 and the sensing terminal box 9 respectively, and the fixed block 10 and the through holes 11 are in corresponding relation.

The sensing starting box 6 and the sensing terminal box 9 are equally divided into an upper shell and a lower shell, the connecting blocks 12 are arranged at the joints of the shells, the number of the connecting blocks 12 is a plurality of groups, and the connecting blocks 12 are arranged in an array.

It should be noted that, the utility model relates to an optical fiber vibration sensor, when using, with response optical cable 3, response optical cable 4 No. two, response optical cable 7 No. three and response optical cable 8 No. four all lay in the top of oil gas pipeline, host computer 1, the cooperation of the originated case of sensing 6 and sensing terminal box 9 branch power consumption, carry out long distance real-time supervision to the soil vibration condition along the oil gas pipeline, the response optical cable arranges according to the linear type mode, system detection length linear type reaches 40km, the safety of oil gas pipeline has greatly been ensured, signal alarm 15 can detect the invasion signal when the optical cable is not destroyed or just begin to be under construction, signal alarm 15 and the originated case of sensing 6, sensing terminal box 9 and the cooperation of application software use, be favorable to accurate location invasion position and report to the police immediately, it takes place early warning illegal mechanical construction in advance to prevent the incident to arrive the on-site to reach for the abundant time of nurse, Manually excavated or destroyed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An optical fiber vibration sensor comprises a host (1), and is characterized in that: the front end surface of host computer (1) is provided with public address lid (2), the rear end surface of host computer (1) is provided with connection optical cable (17) and No. two connection optical cable (18), the side surface of connection optical cable (17) and No. two connection optical cable (18) is provided with optical cable connecting band (5), the rear end surface of optical cable connecting band (5) is provided with response optical cable (3) and No. two response optical cable (4), one side surface of response optical cable (3) is provided with the originated case of sensing (6), one side surface of the originated case of sensing (6) is provided with No. three response optical cable (7) and No. four response optical cable (8), one side surface of No. two response optical cable (4) is provided with sensing terminal box (9), the side surface of the originated case of sensing (6) is provided with optical cable connector (14), A connecting block (12) and a fixing block (10).

2. The fiber optic shock sensor of claim 1, wherein: a connection optical cable (17) and No. two connection optical cable (18) respectively with host computer (1) and optical cable connecting band (5) fixed connection, response optical cable (3) and No. two response optical cable (4) respectively with optical cable connecting band (5) fixed connection.

3. The fiber optic shock sensor of claim 1, wherein: the rear end surface of public address lid (2) is provided with reserve groove (16), reserve groove (16) inboard is provided with signal alarm (15), be fixed connection between signal alarm (15) and host computer (1), be fixed connection between public address lid (2) and host computer (1).

4. The fiber optic shock sensor of claim 1, wherein: optical cable connector (14) respectively with response optical cable (3), No. two response optical cable (4), No. three response optical cable (7), No. four response optical cable (8), the originated case of sensing (6) and sensing terminal box (9) fixed connection, the quantity of optical cable connector (14) is six groups, and wherein the originated case of sensing (6) and three groups of distribution of sensing terminal box (9) respectively.

5. The fiber optic shock sensor of claim 1, wherein: the sensor is characterized in that through holes (11) are formed in the fixing block (10), the number of the through holes (11) is four, the through holes (11) are arranged in an array mode, the fixing block (10) is fixedly connected with the sensing starting box (6) and the sensing terminal box (9) respectively, and the fixing block (10) and the through holes (11) are in corresponding relation.

6. The fiber optic shock sensor of claim 1, wherein: the sensing starting box (6) and the sensing terminal box (9) are equally divided into an upper shell and a lower shell, the connecting blocks (12) are arranged at the joints of the shells, the number of the connecting blocks (12) is a plurality of groups, and the connecting blocks (12) are arranged in an array mode.