CN213018954U

CN213018954U - Oil gas pipeline optical fiber pressure monitoring device with high stability

Info

Publication number: CN213018954U
Application number: CN202120501157.8U
Authority: CN
Inventors: 汪保东; 陈江
Original assignee: Dongying Oleng Electrical Appliances Complete Equipment Co ltd
Current assignee: Dongying Oleng Electrical Appliances Complete Equipment Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-04-20
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to the field of detection, in particular to an oil gas pipeline optical fiber pressure monitoring device with high stability, which comprises an installation pipe and a detector, wherein the detector is arranged on the installation pipe, the diameter of the installation pipe is consistent with that of the oil gas pipeline, and two ends of the installation pipe are connected to the oil gas pipeline; the detector includes the shell, stretching into of shell one end sliding connection in the installation pipe has the push rod, the one end of push rod stretches out the shell, being located of push rod one end both sides in the shell are provided with transmitting plate and receiving board, the transmitting plate and the receiving board is connected to on the transmitting module and the receiving module of mainboard through optic fibre respectively. Utility model's an usage is, will install the pipe and install to the junction of oil gas pipeline, and pressure in the pipeline promotes the push rod, and the removal of push rod shelters from the transmitting plate to this judges to be in the normal transportation process in the oil gas pipeline, can be comparatively accurate learn the position of leakage point.

Description

Oil gas pipeline optical fiber pressure monitoring device with high stability

Technical Field

The utility model relates to a sensor field, more specifically, the utility model relates to an oil gas pipeline optic fibre pressure monitoring devices that stability is high.

Background

With the development of cities, the normal operation of cities cannot be kept away from the continuous supply of oil and natural gas, and the oil and gas pipelines are the most important in the transportation of oil and gas.

In order to guarantee the normal operation of an oil-gas pipeline, the pressure in the oil-gas pipeline needs to be monitored in real time to indirectly monitor the on-off of the oil-gas pipeline, so that the normal supply of oil gas is guaranteed, most of the existing oil-gas pipeline pressure monitoring adopts a software method, namely, the pressure value of a pipe orifice is collected, and whether the oil-gas pipeline leaks or not is calculated according to the fluctuation of the pressure. However, this method cannot accurately locate the leak point and has poor reliability.

Therefore, a new type oil and gas pipeline pressure monitoring device is needed, which can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at it is poor to solve current oil gas pipeline pressure detection precision, the poor problem of reliability.

According to one aspect of the utility model, the optical fiber pressure monitoring device for the oil gas pipeline with high stability is provided, which comprises an installation pipe and a detector, wherein the detector is arranged on the installation pipe, the diameter of the installation pipe is consistent with that of the oil gas pipeline, and two ends of the installation pipe are connected to the oil gas pipeline; the detector comprises a sealed shell, a push rod is connected to a piston at one end of the shell, extending into the installation pipe, one end of the push rod extends out of the shell, a transmitting plate and a receiving plate are arranged on two sides of one end, located in the shell, of the push rod, and the transmitting plate and the receiving plate are connected to a transmitting module and a receiving module of the main board through optical fibers respectively.

Through this scheme, with the junction of installation pipe installation to oil gas pipeline, become a whole with oil gas pipeline, in transportation process, pressure promotion push rod in the pipeline, make the inside air of push rod towards the inside removal compression shell of shell, the launcher is sheltered from in the removal of push rod, make the dash receiver can not receive light signal, with this judge in the oil gas pipeline in normal transportation process, otherwise when taking place to leak, pressure reduces in the pipeline, compressed air promotion push rod outwards removes in the shell, thereby receive light signal, just explain this department this moment and take place to leak. The device has simple structure, is convenient to install and use, and can accurately know the position of the leakage point, thereby being beneficial to taking counter measures as soon as possible.

Preferably, the one end that is located of shell the installation pipe cladding has the sealing membrane, the push rod is to the centre of sealing membrane.

Through this scheme, the setting of seal membrane can avoid during oil gas gets into the detector to guarantee the accuracy of detection and improve the life-span of detector.

Preferably, the end of the push rod protruding out of the housing is mushroom-head shaped.

Through this scheme, reduce the pressure of push rod tip to the seal membrane, improve the life of seal membrane.

Preferably, a baffle is arranged at the top end of the push rod, and the baffle is driven by the push rod to shield or move out of the shielding of the transmitting plate.

Through this scheme, the thickness of fender plate is less than the diameter of push rod to make the transmitting plate be close to the receiving plate as far as, improve the sensitivity of this device.

Preferably, the upper and lower both sides of transmitting plate and receiving plate all are provided with the guide block, the baffle is located slide between the guide block.

Through this scheme, the guide block can play the effect of direction to the removal of baffle, avoids the baffle to shelter from because of the crooked unable effective.

Preferably, a light through hole is formed in the middle of the baffle, the diameter of the light through hole is consistent with that of the transmitting plate, and after the push rod is pushed into the shell, the transmitting plate is communicated with the receiving plate through the light through hole.

Through this scheme, guarantee that the baffle is located to remove between the guide block all the time, can not aim at the gap between the guide block and cause the baffle to damage or detect the accuracy variation when avoiding the baffle to reinsert.

The utility model discloses a technological effect lies in, this device simple structure compares in traditional detection method, and the accuracy is higher, and the cost is lower.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the utility model discloses oil gas pipeline optic fibre pressure monitoring devices that stability is high structural schematic diagram.

Fig. 2 is a schematic cross-sectional structure of the detector in fig. 1.

Fig. 3 is a schematic view of the detector of fig. 2 in a configuration protruding into the side of the mounting tube.

Fig. 4 is a schematic diagram of the structure at a in fig. 2.

In the figure, 1100, installation tube; 1200. a detector; 1210. a housing; 1220. a push rod; 1231. an optical fiber; 1232. a launch plate; 1233. receiving a plate; 1230. a main board; 1240. a sealing film; 1221. a baffle plate; 1211. a guide block; 1222. and a light through hole.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

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, further discussion thereof is not required in subsequent figures.

Examples

As shown in fig. 1 to 4, the high-stability optical fiber pressure monitoring device for an oil and gas pipeline in this embodiment includes an installation pipe 1100 and a detector 1200, the detector 1200 is disposed on the installation pipe 1100, the installation pipe 1100 and the oil and gas pipeline have the same diameter, and two ends of the installation pipe 1100 are connected to the oil and gas pipeline; the detector 1200 includes a sealed housing 1210, a push rod 1220 is piston-connected to an end of the housing 1210, which extends into the mounting tube 1100, an end of the push rod 1220 extends out of the housing 1210, a transmitting plate 1232 and a receiving plate 1233 are disposed on two sides of an end of the push rod 1220, which is located in the housing 1210, and the transmitting plate 1232 and the receiving plate 1233 are respectively connected to a transmitting module and a receiving module (neither shown in the drawings) of the main board 1230 through optical fibers 1231.

Through this scheme of this embodiment, install installation pipe 1100 to the junction of oil gas pipeline, become an organic whole with the oil gas pipeline, in transportation process, pressure in the pipeline promotes push rod 1220, make push rod 1220 move towards the inside air of compression shell of shell 1210, the removal of push rod 1220 shelters from transmitting plate 1232, make the receiving plate 1233 can not receive the light signal, be in normal transportation process in judging the oil gas pipeline with this, otherwise when taking place to leak, pressure reduces in the pipeline, the air that is compressed in the shell 1210 promotes push rod 1220 and outwards moves, thereby make receiving module receive the light signal, just explain this department and take place to leak this moment. The device has simple structure, is convenient to install and use, and can accurately know the position of the leakage point, thereby being beneficial to taking counter measures as soon as possible.

In this embodiment, the transmitting module transmits an optical pulse at a certain frequency, the receiving module receives the optical pulse in real time, the main board 1230 serves as a control module, and when the receiving module receives the optical pulse, an alarm signal is transmitted to the control room in a wired or wireless manner; when one set of the device is installed at a certain distance, the approximate position of a leakage point can be judged in time when leakage occurs.

In this embodiment or other embodiments, one end of the housing 1210 located at the installation tube 1100 is coated with a sealing membrane 1240, the push rod 1220 abuts against the middle of the sealing membrane 1240, and the sealing membrane 1240 is configured to prevent oil and gas from entering the detector 1200, so as to ensure the accuracy of detection and improve the service life of the detector 1200.

In this or other embodiments, the end of the plunger 1220 protruding out of the housing 1210 is shaped as a mushroom head, which reduces the pressure on the sealing membrane 1240 at the end of the plunger 1220 and improves the life of the sealing membrane 1240.

In this embodiment or other embodiments, a baffle 1221 is disposed at the top end of the push rod 1220, the baffle 1221 is driven by the push rod 1220 to shield or move out of the shielding of the emission plate 1232, and the thickness of the baffle 1221 is smaller than the diameter of the push rod 1220, so that the emission plate 1232 is made to approach the receiving plate 1233 as much as possible, and the sensitivity of the apparatus is improved.

In this embodiment or other embodiments, the upper and lower sides of the emitting plate 1232 and the receiving plate 1233 are both provided with the guide blocks 1211, the baffle 1221 is located between the guide blocks 1211 and slides, the guide blocks 1211 can guide the movement of the baffle 1221, so that the baffle 1221 can accurately shield the emitting plate 1232, and the baffle 1221 is prevented from being effectively shielded due to bending.

In this embodiment or other embodiments, a light-passing hole 1222 is disposed in the middle of the blocking plate 1221, the diameter of the light-passing hole 1222 is the same as the diameter of the emitting plate 1232, and after the push rod 1220 is pushed into the housing 1210, the emitting plate 1232 and the receiving plate 1233 are conducted through the light-passing hole 1222, so that the blocking plate 1221 is always located between the guide blocks 1211 and moves, and the blocking plate 1221 is prevented from being misaligned with the gap between the guide blocks 1211 when the blocking plate 1221 is reinserted, and thus the blocking plate 1221 is damaged or the detection accuracy is not deteriorated.

One technical effect of this embodiment is that the device has a simple structure, higher accuracy and lower cost compared to the conventional detection method.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The high-stability optical fiber pressure monitoring device for the oil and gas pipeline comprises a mounting pipe and a detector, wherein the detector is arranged on the mounting pipe; the detector comprises a sealed shell, a push rod is connected to a piston at one end of the shell, extending into the installation pipe, one end of the push rod extends out of the shell, a transmitting plate and a receiving plate are arranged on two sides of one end, located in the shell, of the push rod, and the transmitting plate and the receiving plate are connected to a transmitting module and a receiving module of the main board through optical fibers respectively.

2. The high-stability optical fiber pressure monitoring device for the oil and gas pipeline of claim 1, wherein one end of the housing, which is located on the installation pipe, is coated with a sealing film, and the push rod abuts against the middle of the sealing film.

3. The high-stability optical fiber pressure monitoring device for the oil and gas pipeline according to claim 2, wherein a baffle is arranged at the top end of the push rod, and the baffle is driven by the push rod to shield or move out of shielding of the transmitting plate.

4. The high-stability optical fiber pressure monitoring device for the oil and gas pipeline as claimed in claim 3, wherein guide blocks are arranged on the upper side and the lower side of the transmitting plate and the receiving plate, and the baffle is located between the guide blocks and slides.

5. The high-stability optical fiber pressure monitoring device for the oil and gas pipeline according to claim 4, wherein a light through hole is formed in the middle of the baffle, the diameter of the light through hole is consistent with that of the transmitting plate, and after the push rod is pushed into the shell, the transmitting plate is communicated with the receiving plate through the light through hole.