CN219224065U - Optical cable monitoring device and distributed optical fiber vibration system - Google Patents
Optical cable monitoring device and distributed optical fiber vibration system Download PDFInfo
- Publication number
- CN219224065U CN219224065U CN202223499800.1U CN202223499800U CN219224065U CN 219224065 U CN219224065 U CN 219224065U CN 202223499800 U CN202223499800 U CN 202223499800U CN 219224065 U CN219224065 U CN 219224065U
- Authority
- CN
- China
- Prior art keywords
- optical cable
- treatment tank
- sewage treatment
- monitoring device
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model relates to the technical field of sewage leakage monitoring, and particularly discloses an optical cable monitoring device and a distributed optical fiber vibration system, which comprise the following components: the sensing optical cable comprises a first end part, a second end part and a main body part, wherein the main body part is connected with the first end part and the second end part, the first end part is fixed on the bottom wall of the sewage treatment tank, and the second end part is used for extending out of the sewage treatment tank to be connected with the detection device; the main body part is arranged in a reciprocating bending way along the inner wall of the sewage treatment tank and is fixed on the inner wall of the sewage treatment tank through a plurality of optical cable fixing clamps; the optical cable fixing clamps are evenly arranged at intervals. The optical cable monitoring device provided by the utility model can monitor whether leakage occurs in the sewage treatment pool in real time.
Description
Technical Field
The utility model relates to the technical field of sewage leakage monitoring, in particular to an optical cable monitoring device and a distributed optical fiber vibration system.
Background
In the field of sewage treatment, a sewage treatment tank is indispensable. The sewage treatment pool is easy to cause soil pollution and groundwater pollution because of leakage caused by cracks on the inner wall with large pressure, so that leakage points need to be found in time and repaired.
In the prior art, the leakage points of the sewage treatment tank are generally checked by manual inspection. In general, during manual inspection, the sewage pool can be observed when being regularly overhauled or cleaned, and the internal light source is insufficient, so that the interference of factors such as wetting of the inner wall of the pool is difficult to judge from visual inspection.
In addition, biogas can be generated at the top of the sewage pool, and the electric sensor monitoring mode is not suitable for monitoring flammable and explosive environments. The high-precision radar detection method needs to detect when the sewage pool is regularly overhauled, and cannot monitor cracks in real time, and the detection method has high cost and the user has to have high expertise.
Therefore, how to monitor leakage of a sewage treatment tank in real time is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model provides an optical cable monitoring device and a distributed optical fiber vibration system, which solve the problem that leakage of a sewage treatment tank in the related technology cannot be monitored in real time.
As a first aspect of the present utility model, there is provided an optical cable monitoring device, comprising:
a sensing optical cable comprising a first end portion, a second end portion, and a main body portion connecting the first and second end portions,
the first end part is fixed on the bottom wall of the sewage treatment tank, and the second end part is used for extending out of the sewage treatment tank to be connected with the detection device;
the main body part is arranged in a reciprocating bending way along the inner wall of the sewage treatment tank and is fixed on the inner wall of the sewage treatment tank through a plurality of optical cable fixing clamps;
the optical cable fixing clamps are evenly arranged at intervals.
Further, the main body part is spirally arranged along the inner wall of the sewage treatment tank.
Further, a plurality of optical cable fixing jigs are arranged at even intervals along the spiral arrangement of the main body portion on the inner wall of the sewage treatment tank.
Further, the main body part is arranged along the inner wall of the sewage treatment tank in a wave-shaped manner.
Further, the plurality of optical cable fixing clamps are arranged at uniform intervals along the wavy arrangement of the main body part on the inner wall of the sewage treatment tank.
Further, each optical cable fixing clamp comprises a bottom plate and a collar, the bottom plate is mounted on the inner wall of the sewage treatment tank, the collar is connected with the bottom plate, and a hole capable of enabling the sensing optical cable to pass through is formed in the collar.
Further, a tightening member is provided on the collar, and the tightening member is capable of tightening a hole formed on the collar to fix the sensing optical cable.
As another aspect of the present utility model, there is provided a distributed optical fiber vibration system, including: the device comprises a detection device, an alarm device and the optical cable monitoring devices, wherein the optical cable monitoring devices are arranged on the inner wall of each sewage treatment tank, the detection device is connected with a plurality of optical cable monitoring devices, and the alarm device is in communication connection with the detection device;
the detection device can monitor the sensing signal of each optical cable monitoring device in real time and generate an alarm signal when the sensing signal is monitored to be a disturbance signal;
the alarm device can send alarm information according to the alarm signal.
Further, the detection device comprises a detector.
Further, the alarm device comprises an audible and visual alarm.
According to the optical cable monitoring device provided by the utility model, the back and forth bent sensing optical cable is arranged on the inner wall of the sewage treatment tank, one end of the sensing optical cable can be connected with the detection device, and if the inner wall of the sewage treatment tank is cracked to generate sewage leakage, the water flow disturbance optical cable can be generated, so that the detection device can detect disturbance signals and then alarm. Compared with the prior art, the optical cable monitoring device has the advantages of continuous distributed monitoring, high instantaneity, passivity, electromagnetic interference resistance, corrosion resistance, long measurement distance and the like, and can detect whether leakage exists or not in real time due to no need of manual inspection.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model.
Fig. 1 is a block diagram of an embodiment of an optical cable monitoring device provided by the present utility model.
Fig. 2 is a block diagram of another embodiment of the optical cable monitoring device provided by the present utility model.
FIG. 3 is a schematic view of the azimuth direction of the sewage treatment tank with the calibration points provided by the utility model.
Fig. 4 is a schematic view of the depth direction of the sewage treatment tank with the standard points.
Fig. 5 is a schematic structural view of an optical cable fixing clamp provided by the utility model.
Fig. 6 is a schematic structural diagram of a distributed optical fiber vibration system according to the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, an optical cable monitoring device is provided, fig. 1 is a schematic structural diagram of an optical cable monitoring device 100 according to an embodiment of the present utility model, as shown in fig. 1, including:
the sensor cable 10 comprises a first end 11, a second end 12, and a main body 13 connecting the first end 11 and the second end 12,
the first end part 11 is fixed on the bottom wall of the sewage treatment tank 20, and the second end part 12 is used for extending out of the sewage treatment tank to be connected with a detection device;
the main body 13 is provided to be bent back and forth along the inner wall of the sewage treatment tank 20, and is fixed to the inner wall of the sewage treatment tank 20 by a plurality of optical cable fixing jigs 30;
the plurality of cable fixing jigs 30 are disposed at intervals and uniformly.
According to the optical cable monitoring device provided by the utility model, the back and forth bent sensing optical cable is arranged on the inner wall of the sewage treatment tank, one end of the sensing optical cable can be connected with the detection device, and if the inner wall of the sewage treatment tank is cracked to generate sewage leakage, the water flow disturbance optical cable can be generated, so that the detection device can detect disturbance signals and then alarm. Compared with the prior art, the optical cable monitoring device has the advantages of continuous distributed monitoring, high instantaneity, passivity, electromagnetic interference resistance, corrosion resistance, long measurement distance and the like, and can detect whether leakage exists or not in real time due to no need of manual inspection.
As a specific embodiment, as shown in fig. 1, the main body 13 is spirally disposed along the inner wall of the sewage treatment tank 20.
In this arrangement, a plurality of optical cable fixing jigs 30 are arranged at regular intervals along the spiral arrangement of the main body 13 on the inner wall of the sewage treatment tank 20 in order to fix the main body 13.
As can be seen from fig. 1, a plurality of cable fixing jigs 30 are provided at even intervals following the spiral extending direction of the main body 13 to achieve the fixation of the main body 13.
As another specific embodiment, as shown in fig. 2, the main body 13 is provided along the inner wall of the sewage treatment tank 20 in a wave shape.
In this embodiment, in order to fix the main body 13, a plurality of optical cable fixing jigs 30 are provided at regular intervals along the wavy arrangement of the main body 13 on the inner wall of the sewage treatment tank 20.
As shown in fig. 2, a plurality of cable fixing jigs 30 are provided at uniform intervals following the wavy extension direction of the main body portion 13 to achieve the fixation of the main body portion 13.
Preferably, in order to enable accurate positioning of the leakage points, the spacing between every two adjacent cable fixing clamps is 1 meter.
It should be understood that no matter the layout mode that the inner wall of the sewage treatment tank is spirally arranged from bottom to top along the inner wall of the sewage treatment tank or the layout mode that the inner wall of the sewage treatment tank is arranged in a wave mode can enable the inner wall of the sewage treatment tank to be evenly covered by the transmission optical cable, thereby being capable of effectively monitoring whether leakage occurs to the inner wall of the sewage treatment tank.
In order to accurately locate the leakage position of the inner wall of the sewage treatment tank, calibration is required after the optical cable is laid. The optical cable knocking vibration can be detected by the detection device through the knocking optical cable, the length of the optical cable at the knocking point is related to the actual position information of the sewage pool, and the sewage pool is selected to be calibrated for multiple times in different directions and depths. For example, as shown in fig. 3 and 4, the azimuth is referenced to the center point of the sewage treatment tank, and the calibration point contains 2 parameters of azimuth and depth. Examples: calibration point 1 (southeast 35 °, depth 1 m).
For example, when the detection device analyzes the sensing signal of the optical cable monitoring device, a leakage point exists at a certain length position of the optical cable, for example, a leakage point exists at a position of m meters of the optical cable in the length direction from the first end to the second end, the length of the optical cable is related to the position information of the sewage pool, the position of m meters of the optical cable is determined to be visually at a position of n meters from the calibration point 1 by utilizing the calibration point 1, namely, the position of the leakage point in the sewage pool is determined by the calibration point 1, and therefore the specific leakage point of the sewage pool is found.
Specifically, as a specific embodiment of the optical cable fixing jigs 30, as shown in fig. 5, each of the optical cable fixing jigs 30 includes a base plate 31 and a collar 32, the base plate 31 is mounted on an inner wall of the sewage treatment tank, the collar 32 is connected to the base plate 31, and a hole 33 capable of allowing the sensing optical cable 10 to pass through is formed in the collar 32.
More specifically, a tightening member 34 is provided on the collar 32, the tightening member 34 being capable of tightening a hole 33 formed on the collar 32 to secure the sensing fiber optic cable 10.
In the embodiment of the present utility model, the bottom plate 31 is fixed to the inner wall of the sewage treatment tank by a fastening member 35, and in particular, the fastening member 35 may be a screw.
The optical cable fixing clamp 30 is made of stainless steel, is rust-proof and corrosion-proof, has a loose-buckle design, can be quickly assembled and disassembled, and is convenient for fixing and later maintenance and replacement.
In addition, the sensing optical cable 10 is a corrosion-resistant special optical cable for the corrosion environment of the sewage treatment tank.
As another embodiment of the present utility model, there is provided a distributed optical fiber vibration system, including, as shown in fig. 6: the device comprises a detection device 200, an alarm device 300 and the optical cable monitoring devices 100, wherein the optical cable monitoring devices 100 are arranged on the inner wall of each sewage treatment tank 20, the detection device 200 is connected with a plurality of the optical cable monitoring devices 100, and the alarm device 300 is in communication connection with the detection device 200;
the detecting device 200 can monitor the sensing signal of each optical cable monitoring device in real time, and generate an alarm signal when the sensing signal is monitored to be a disturbance signal;
the alarm device 300 can send alarm information according to the alarm signal.
The distributed optical fiber vibration system provided by the embodiment of the utility model adopts the optical cable monitoring device, the optical cable is used as a sensor, the optical cable is arranged on the inner wall of the sewage pool, water flow generated by the leakage of crack sewage on the inner wall can disturb the optical cable, the distributed optical fiber vibration monitor detects the disturbance of the optical cable, the system immediately alarms and positions the leakage position, the leakage of the sewage treatment pool is effectively monitored in real time, and the distributed optical fiber vibration system has the advantages of being passive, strong in electromagnetic interference resistance, corrosion resistance, long in measurement distance, high in positioning precision and continuously distributed.
Specifically, the detection device 200 includes a distributed fiber vibration monitor.
In the embodiment of the utility model, the distributed optical fiber vibration monitor can specifically adopt a distributed optical fiber vibration monitor of a DFVS system of the parallel photon, for example, the specific model is DFVS-500. The specific operation of the distributed optical fiber vibration monitor is well known to those skilled in the art, and will not be described herein.
Specifically, the alarm device 300 includes an audible and visual alarm.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. An optical cable monitoring device, comprising:
a sensing optical cable comprising a first end portion, a second end portion, and a main body portion connecting the first and second end portions,
the first end part is fixed on the bottom wall of the sewage treatment tank, and the second end part is used for extending out of the sewage treatment tank to be connected with the detection device;
the main body part is arranged in a reciprocating bending way along the inner wall of the sewage treatment tank and is fixed on the inner wall of the sewage treatment tank through a plurality of optical cable fixing clamps;
the optical cable fixing clamps are evenly arranged at intervals.
2. The fiber optic cable monitoring device of claim 1, wherein the body portion is helically disposed along an interior wall of the wastewater treatment tank.
3. The fiber optic cable monitoring device of claim 2, wherein a plurality of fiber optic cable attachment fixtures are disposed at evenly spaced intervals along the helical arrangement of the body portion on the interior wall of the wastewater treatment tank.
4. The fiber optic cable monitoring device of claim 1, wherein the body portion is disposed in a wave-like configuration along an interior wall of the wastewater treatment tank.
5. The fiber optic cable monitoring device of claim 4, wherein a plurality of fiber optic cable attachment fixtures are disposed at uniform intervals along the undulating arrangement of the main body portion on the interior wall of the wastewater treatment tank.
6. The fiber optic cable monitoring device of any one of claims 1 to 5, wherein each of the fiber optic cable fixing jigs includes a base plate mounted on an inner wall of the wastewater treatment tank and a collar connected to the base plate, the collar having a hole formed therein for allowing the sensing fiber optic cable to pass therethrough.
7. The fiber optic cable monitoring device of claim 6, wherein a tightening member is provided on the collar, the tightening member being capable of tightening a hole formed in the collar to secure the sensing fiber optic cable.
8. A distributed fiber vibration system, comprising: the device comprises a detection device, an alarm device and the optical cable monitoring device according to any one of claims 1 to 7, wherein the optical cable monitoring device is arranged on the inner wall of each sewage treatment tank, the detection device is connected with a plurality of optical cable monitoring devices, and the alarm device is in communication connection with the detection device;
the detection device can monitor the sensing signal of each optical cable monitoring device in real time and generate an alarm signal when the sensing signal is monitored to be a disturbance signal;
the alarm device can send alarm information according to the alarm signal.
9. A distributed optical fiber vibration system according to claim 8 wherein said detection means comprises a detector.
10. A distributed optical fiber vibration system according to claim 8 wherein said alarm means comprises an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223499800.1U CN219224065U (en) | 2022-12-27 | 2022-12-27 | Optical cable monitoring device and distributed optical fiber vibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223499800.1U CN219224065U (en) | 2022-12-27 | 2022-12-27 | Optical cable monitoring device and distributed optical fiber vibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219224065U true CN219224065U (en) | 2023-06-20 |
Family
ID=86746331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223499800.1U Active CN219224065U (en) | 2022-12-27 | 2022-12-27 | Optical cable monitoring device and distributed optical fiber vibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219224065U (en) |
-
2022
- 2022-12-27 CN CN202223499800.1U patent/CN219224065U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108283011A (en) | The variation in metal structure is detected and is monitored using multimode acoustical signal | |
| US10345221B1 (en) | Ultrasonic corrosion coupon probe | |
| KR101098528B1 (en) | System and method for watching pipeline | |
| EP3706066B1 (en) | System for monitoring a water distribution network | |
| CN102356311A (en) | Dry-coupled permanently installed ultrasonic sensor linear array | |
| EA021964B1 (en) | Method for the remote detection, localization and monitoring of critical faults in pipelines | |
| AU2012216753A1 (en) | Portable ultrasonic flow measuring system, measuring devices and measuring tube | |
| EP4230969A1 (en) | Location and flow rate meter | |
| CN107990961A (en) | A kind of explosion-proof type magnetostriction liquidometer of measurable multiple liquid levels | |
| CN219224065U (en) | Optical cable monitoring device and distributed optical fiber vibration system | |
| Cataldo et al. | Advances in Reflectometric Sensing for Industrial Applications | |
| US7095222B2 (en) | Leak detection method and system in nonmetallic underground pipes | |
| US11162887B2 (en) | Apparatus for tank bottom soil side corrosion monitoring | |
| CN110595519A (en) | Pre-buried metallization optical fiber sensor's anticorrosive gas pipeline | |
| CN111457889A (en) | Method for monitoring subway tunnel settlement through optical fiber static level | |
| CN111664364B (en) | Buried pipeline leakage online monitoring system and monitoring method | |
| RU141279U1 (en) | DIAGNOSTIC DEVICE FOR LEAKAGE OF THE BOTTOM OF THE GROUND VERTICAL RESERVOIR FOR OIL AND OIL PRODUCTS USING A TWO-CABLE | |
| CN112781803A (en) | Leakage noise experiment system of water supply pipeline | |
| Papavinasam et al. | Non-intrusive techniques to monitor internal corrosion of oil and gas pipelines | |
| CN219655863U (en) | Pipeline corrosion monitoring probe and cloud monitoring system based on piezoelectric impedance | |
| CN209014091U (en) | A kind of mounting device of guide wave radar level gauge | |
| CN210089769U (en) | High-precision pipeline type ultrasonic flowmeter for high-temperature pipeline | |
| CN214793194U (en) | Guided wave pole straightness error monitoring devices that hangs down | |
| CN218765158U (en) | Standard check test block simultaneously suitable for wall thickness detection and hardness detection | |
| CN210922656U (en) | Pre-buried metallization optical fiber sensor's anticorrosive gas pipeline and monitoring system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230731 Address after: No. 1, Building 6, Qianren Entrepreneurship Park, Economic Development Zone, No. 98 Huiming Road, Fenghua District, Ningbo City, Zhejiang Province, 315500 Patentee after: Ningbo Lianhe Photonics Technology Co.,Ltd. Address before: No. 1-2202-8, Financial 8th Street, Wuxi Economic Development Zone, Jiangsu Province, 214000 Patentee before: WUXI ALLIANSTREAM PHOTON TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |