CN213579969U

CN213579969U - Optical fiber monitor monitored by induced vibration

Info

Publication number: CN213579969U
Application number: CN202022365693.8U
Authority: CN
Inventors: 汪保东
Original assignee: Dongying Oleng Electrical Appliances Complete Equipment Co ltd
Current assignee: Dongying Oleng Electrical Appliances Complete Equipment Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-29
Anticipated expiration: 2030-10-22

Abstract

The utility model provides an optical fiber monitor monitored by sensing vibration, which comprises a touch screen, a monitoring system, a CPCI framework, a dual-redundancy power supply and an optical fiber testing module, wherein the touch screen is electrically connected with the monitoring system; the utility model discloses light path adapter and optical fiber sensor, optical fiber sensor pick up along petroleum gas pipeline propagation leak vibration signal and noise after, transmit vibration signal to the light path adapter, the light path adapter turns into photoelectric signal with vibration signal, transmit monitoring system through transmitting the light path, have realized monitoring information's feedback; the monitoring system is arranged, the photoelectric signals are acquired by the signal light power acquisition module and then transmitted to the intelligent main control module, leakage signal demodulation and identification analysis are carried out through the intelligent main control module, time delay estimation is carried out on the leakage signals to realize positioning of leakage points, accurate positioning can be carried out on the leakage points of the petroleum pipeline, and workers can find the leakage points in extremely short time.

Description

Optical fiber monitor monitored by induced vibration

Technical Field

The utility model relates to a petroleum pipeline monitoring technology field especially relates to an optical fiber monitor who monitors through response vibration.

Background

Because the particularity of petroleum pipeline transportation liquid for petroleum pipeline requires more to outside quality, need carry out the outer wall to the petroleum pipeline before putting into service and detect. At present, no special detection tool exists, and detection is carried out by means of naked eyes of workers. In order to solve the above difficulties, it is necessary to develop a petroleum pipeline monitoring device capable of detecting the outer wall of the pipeline.

Chinese patent application No. 201811166730.3 provides petroleum pipeline monitoring devices, including pivot, first slider, connecting rod, stay cord, bottom plate, support frame, runner, wheel carrier, first slide rail, first gear, third gear, chain circle, fourth gear, movable plate, motor, pedestal, second gear, shaft, pillar, second slider, second slide rail, probe and ultrasonic flaw detector, the wheel carrier is respectively installed to the left and right sides under the bottom plate, installs the runner on the wheel carrier, and the stay cord left and right sides respectively twines on the runner, installs the connecting rod under the stay cord, installs first slider under the connecting rod, and first slider is installed on first slide rail, and the first slide rail left and right sides respectively is installed on the support frame, and the support frame is installed under the bottom plate, installs the movable plate under the first slider.

The oil and gas pipeline of China is as long as 10 kilometers, the existing petroleum pipeline monitoring device cannot be monitored in a long distance, the using quantity is large, the manufacturing cost is high, the petroleum pipeline cannot be monitored through induction vibration, and the function of accurate positioning cannot be realized.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides an optical fiber monitor who monitors through response vibration.

The utility model provides a technical scheme that its technical problem adopted is: an optical fiber monitor for monitoring by sensing vibration comprises a touch screen, a monitoring system, a CPCI (compact peripheral component interconnect) framework, a dual-redundancy power supply and an optical fiber testing module, wherein the touch screen is electrically connected with the monitoring system; the monitoring system is electrically connected with the CPCI framework; the dual redundant power supply is respectively connected with the monitoring system and the CPCI framework through leads; the optical fiber testing module is inserted in the CPCI framework and is electrically connected with the CPCI framework.

As optimization, the touch screen is embedded on the top frame; the top frame is buckled on the machine shell and fixed through screws; the bottom of the casing body is fixed with a support through a screw, and workers can visually know the safety of the petroleum pipeline through the touch screen.

As optimization, a transmission light path penetrates through one side of the shell; the transmission optical path is electrically connected with the monitoring system.

As optimization, one end of the transmission optical path, which is far away from the monitoring system, is connected with an optical path adapter; the optical path adapters are multiple and are connected in series through transmission optical paths, long-distance laying can be achieved, full pipeline monitoring of the petroleum pipeline is achieved, and manufacturing cost is low.

Preferably, each optical path adapter is connected with an optical fiber sensor through a wire, the optical fiber sensors pick up leakage vibration signals and noise transmitted along the petroleum gas pipeline and then transmit the vibration signals to the optical path adapter, and the optical path adapter converts the vibration signals into photoelectric signals and transmits the photoelectric signals to a monitoring system through a transmission optical path, so that the feedback of monitoring information is realized.

As optimization, the monitoring system comprises an intelligent main control module, a light path test switching module, a light power acquisition module, a light protection module and a photoelectric tube, wherein the intelligent main control module adopts a Pentium 133M type CPU, the signal light power acquisition module acquires a photoelectric signal and transmits the photoelectric signal to the intelligent main control module, the leakage signal is demodulated, identified and analyzed through the intelligent main control module, the leakage signal is subjected to time delay estimation to realize the positioning of a leakage point, the leakage point of a petroleum pipeline can be accurately positioned, and a worker can find the leakage point in a very short time.

The utility model has the advantages that:

1. the touch screen of the utility model can make the staff intuitively know the safety of the petroleum pipeline;

2. the transmission light path of the utility model can be laid in long distance, so that the whole pipeline monitoring of the petroleum pipeline is realized, and the cost is low;

3. the utility model discloses the setting of light path adapter and optical fiber sensor, optical fiber sensor picks up after leakage vibration signal and the noise of following petroleum gas pipeline propagation, transmits vibration signal to the light path adapter, and the light path adapter turns into photoelectric signal with vibration signal, transmits to monitoring system through the transmission light path, has realized monitoring information's feedback;

4. the utility model discloses monitoring system's setting is gathered the photoelectric signal by signal light power collection module, then transmits for intelligent host system, carries out leakage signal demodulation and identification analysis through intelligent host system to carry out the time delay to the leakage signal and estimate the location that realizes leaking the point, can carry out accurate location to the leaking point of petroleum pipeline, make the staff find the leaking point in the time of utmost point short.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a circuit block diagram of the present invention.

Fig. 3 is a schematic diagram of the connection between the optical path adapter and the optical fiber sensor according to the present invention.

In the figure:

1. the device comprises a shell, a top frame, a touch screen, a support, a monitoring system, a CPCI framework, a transmission light path, a dual redundant power supply, a fiber testing module, a light path adapter, an optical fiber sensor and a light path adapter, wherein the shell comprises a shell body, 2, a top frame, 3, a touch screen, 4, a support, 5, the monitoring system, 6, the CPCI framework, 7, the transmission light path, 8, the.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The optical fiber monitor which is monitored by sensing vibration as shown in the attached drawings 1 to 3 comprises a touch screen 3, a monitoring system 5, a CPCI framework 6, a dual redundant power supply 8 and an optical fiber testing module 9, wherein the touch screen 3 is electrically connected with the monitoring system 5; the monitoring system 5 is electrically connected with the CPCI framework 6; the dual redundant power supply 8 is respectively connected with the monitoring system 5 and the CPCI framework 6 through leads; the optical fiber testing module 9 is inserted in the CPCI framework 6 and electrically connected with the CPCI framework 6.

As optimization, the touch screen 3 is embedded on the top frame 2; the top frame 2 is buckled on the machine shell 1 and fixed through screws; the bottom of the shell body 1 is fixed with a support 4 through screws, and workers can visually know the safety of the petroleum pipeline through the touch screen 3.

As optimization, a transmission light path 7 penetrates through one side of the shell 1; the transmission optical path 7 is electrically connected with the monitoring system 5.

As optimization, one end of the transmission optical path 7, which is far away from the monitoring system 5, is connected with an optical path adapter 10; the optical path adapters 10 are multiple and are connected in series through the transmission optical paths 7, long-distance laying can be achieved, full pipeline monitoring of the petroleum pipeline is achieved, and manufacturing cost is low.

For optimization, each optical path adapter 10 is connected with an optical fiber sensor 11 through a wire, the optical fiber sensor 11 picks up leakage vibration signals and noise propagated along the petroleum gas pipeline, and then transmits the vibration signals to the optical path adapter 10, the optical path adapter 10 converts the vibration signals into photoelectric signals, and the photoelectric signals are transmitted to the monitoring system 5 through the transmission optical path 7, so that feedback of monitoring information is realized.

As optimization, the monitoring system 5 includes an intelligent main control module, a light path test switching module, a light power acquisition module, a light protection module and a photoelectric tube, wherein the intelligent main control module adopts a pentium 133M type CPU, the signal light power acquisition module acquires a photoelectric signal and transmits the photoelectric signal to the intelligent main control module, the leakage signal is demodulated, identified and analyzed through the intelligent main control module, the leakage signal is estimated in a time delay manner to realize the positioning of a leakage point, the leakage point of a petroleum pipeline can be accurately positioned, and a worker can find the leakage point in a very short time.

The working principle is as follows: during the use, after optical fiber sensor 11 picks up leakage vibration signal and the noise of propagating along the petroleum gas pipeline, transmit vibration signal for light path adapter 10, light path adapter 10 turns into photoelectric signal with vibration signal, transmit for monitoring system 5 through transmission light path 7, the feedback of monitoring information has been realized, gather photoelectric signal by signal light power collection module, then transmit for intelligent host system, carry out leakage signal demodulation and identification analysis through intelligent host system, and carry out the time delay estimation to leakage signal and realize the location to the leak source, can make the audio-visual security of knowing the petroleum pipeline of staff through touch-sensitive screen 3, can carry out accurate location to the leak source of petroleum pipeline, make the staff find the leak source in the time of extremely short.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. An optical fiber monitor monitored by induced vibration, characterized in that: the device comprises a touch screen (3), a monitoring system (5), a CPCI framework (6), a dual-redundancy power supply (8) and an optical fiber testing module (9), wherein the touch screen (3) is electrically connected with the monitoring system (5); the monitoring system (5) is electrically connected with the CPCI framework (6); the dual-redundancy power supply (8) is respectively connected with the monitoring system (5) and the CPCI framework (6) through leads; the optical fiber testing module (9) is inserted in the CPCI framework (6) and is electrically connected with the CPCI framework (6).

2. The optical fiber monitor for monitoring by sensing vibration according to claim 1, wherein: the touch screen (3) is embedded on the top frame (2); the top frame (2) is buckled on the machine shell (1) and fixed through screws; the bottom of the shell (1) is fixed with a support (4) through a screw.

3. The optical fiber monitor for monitoring by sensing vibration according to claim 2, wherein: a transmission light path (7) penetrates through one side of the shell (1); the transmission optical path (7) is electrically connected with the monitoring system (5).

4. An optical fiber monitor for monitoring by sensing vibration according to claim 3, wherein: one end of the transmission light path (7) far away from the monitoring system (5) is connected with a light path adapter (10); the optical path adapters (10) are multiple and are connected in series through transmission optical paths (7).

5. The optical fiber monitor for monitoring by sensing vibration according to claim 4, wherein: each optical path adapter (10) is connected with an optical fiber sensor (11) through a lead.

6. The optical fiber monitor for monitoring by sensing vibration according to claim 5, wherein: the monitoring system (5) comprises an intelligent main control module, a light path test switching module, a light power acquisition module, a light protection module and a photoelectric tube, wherein the intelligent main control module adopts a Pentium 133M type CPU.