CN217006211U - Pipeline valve internal leakage detection device - Google Patents
Pipeline valve internal leakage detection device Download PDFInfo
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- CN217006211U CN217006211U CN202220421308.3U CN202220421308U CN217006211U CN 217006211 U CN217006211 U CN 217006211U CN 202220421308 U CN202220421308 U CN 202220421308U CN 217006211 U CN217006211 U CN 217006211U
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Abstract
The utility model discloses a pipeline valve internal leakage detection device, which comprises a base, wherein a detector is arranged on the base, a connecting rod is fixedly connected to the base, a radiation source is arranged at one end, away from the base, of the connecting rod, the radiation source is positioned right above the detector, a detection platform is arranged between the radiation source and the detector in a matching manner, the detection platform is connected with valve control equipment, the valve control equipment is connected with an industrial personal computer, the industrial personal computer is connected with data acquisition and processing equipment, and the data acquisition and processing equipment is connected with the detector; the problem of leak in the valve that exists among the prior art and detect the precision not high is solved.
Description
Technical Field
The utility model belongs to the technical field of valve internal leakage detection, and relates to a pipeline valve internal leakage detection device.
Background
The valve plays important roles such as pressure regulation, medium cut-off in the oil and gas pipeline, when the valve leaks in appearing, because it is inside the oil and gas pipeline to be difficult to discover, then can cause huge economic loss, harm personal safety even, consequently leak in the valve effectively detect and in time stop the research of interior hourglass and have important meaning.
The existing valve internal leakage detection device and system are few, partial design defects exist, the valve internal leakage condition in an oil and gas pipeline cannot be accurately detected, related patents for timely stopping the valve when internal leakage occurs are not mentioned, and the concept of internal leakage detection is provided by inquiring related documents, and the method specifically comprises the following steps:
chinese utility model patent application No. 202110829316.1 (a leak monitoring system and method in valve based on vibration measurement technique) provides a leak monitoring system and method in valve based on vibration measurement technique, adopts vibration measurement sensor to gather vibration signal on the valve moving part valve rod and on the valve body, realizes the effective monitoring of leaking in the valve. However, this method is less suitable when the leak rate is low.
Chinese utility model patent application No. 2017109132156 (a pipeline leakage monitoring system) proposes a detecting system suitable for leakage monitoring, and its core is to adopt the ultrasonic wave to leak detection. This approach has limitations when the pipeline is subjected to a vibrating environment or other disturbance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipeline valve internal leakage detection device, which solves the problem of low valve internal leakage detection precision in the prior art.
The technical scheme includes that the pipeline valve internal leakage detection device comprises a base, a detector is arranged on the base, a connecting rod is fixedly connected to the base, a radiation source is arranged at one end, away from the base, of the connecting rod, the radiation source is located right above the detector, a detection platform is arranged between the radiation source and the detector in a matching mode, the detection platform is connected with valve control equipment, the valve control equipment is connected with an industrial personal computer, the industrial personal computer is connected with data acquisition and processing equipment, and the data acquisition and processing equipment is connected with the detector.
The utility model is also characterized in that:
the base is connected with the connecting rod and the detector through the lifting rod.
The bottom of detector is fixedly connected with a detector supporting plate, and the detector supporting plate is connected with a lifting rod.
One end of the connecting rod, which is far away from the base, the detector supporting plate and the lifting rod are all provided with spherical rotating mechanisms, the ray source is fixedly connected onto one spherical rotating mechanism, and the bottom of the base, which is fixedly connected onto the other spherical rotating mechanism, of the detector supporting plate is provided with a plurality of rollers.
The bottom of the base is provided with a plurality of rollers.
The ray source adopts an X-ray source.
The data acquisition and processing equipment is FPGA, and the valve control equipment is Siemens S7-1200 PLC.
The utility model has the beneficial effects that: the utility model discloses a pipeline valve inner leakage detection device, which solves the problems that the valve inner leakage detection precision is not high, the operation needs to be stopped for detection, the inner leakage cannot be stopped in time when the valve has the inner leakage and the like in the prior art. The valve inner leakage is detected without stopping production, and when the valve has inner leakage, the inner leakage is stopped in time, so that the safety and the reliability of the valve can be improved, and the economic loss is reduced. The valve internal leakage condition can be detected by the mode of actively transmitting rays to gather the detection signals of the valve structure, and the system has the advantages of reasonable design, convenient use and strong practicability. The method is not limited by the type of the valve, the installation position of the digital ray detection platform is determined according to the type of the valve by establishing a standard database of the valves of different types, and the internal leakage detection of the valves of different types can be realized without adding extra hardware equipment. Can leak in the valve and carry out initiative detection to when leaking in the valve takes place, can close the second valve to valve control equipment through industrial computer send instruction, reach the purpose of protection safety in production, reduced the danger that the safety in production accident took place, ensured detection personnel's safety.
Drawings
FIG. 1 is a schematic structural view of an internal leakage detection device for a pipeline valve according to the present invention;
fig. 2 is a flow chart of the leak detection device in the pipe valve of the present invention.
In the figure, 1, a base, 2, a lifting rod, 3, a detector supporting plate, 4, a detector, 5, a connecting rod, 6, a ray source, 7, a spherical rotating mechanism, 8, data acquisition and processing equipment, 9, an industrial personal computer, 10, a detection platform, 11, a valve to be detected, 12, a second valve, 13, valve control equipment, 14, a data transmission line and 15 pipelines.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model discloses a pipeline valve inner leakage detection device, which comprises a base 1, wherein a detector 4 is arranged on the base 1, a connecting rod 5 is fixedly connected to the base 1, a radiation source 6 is arranged at one end, away from the base 1, of the connecting rod 5, the radiation source 6 is positioned right above the detector 4, a detection platform 4 is arranged between the radiation source 6 and the detector 4, the detection platform 4 is connected with a valve control device 13, the valve control device 13 is connected with an industrial personal computer 9, the industrial personal computer 9 is connected with a data acquisition processing device 8, and the data acquisition processing device 8 is connected with the detector 4. The base 1 and the connecting rod 5, and the base 1 and the detector 4 are connected through the lifting rod 2. The bottom of detector 4 is fixedly connected with a detector supporting plate 3, and the detector supporting plate 3 is connected with a lifting rod 2. One end of the connecting rod 5 far away from the base 1, the detector supporting plate 3 and the lifting rod 2 are provided with spherical rotating mechanisms 7, the ray source 6 is fixedly connected on one spherical rotating mechanism 7, and the detector supporting plate 3 is fixedly connected on the other spherical rotating mechanism 7. The bottom of the base 1 is provided with a plurality of rollers. The radiation source 6 is an X-ray source. The data acquisition and processing equipment 8 is an FPGA, and the valve control equipment 13 is Siemens S7-1200 PLC. The data acquisition and processing equipment 8 acquires the detector signals, and then transmits the signals to the industrial personal computer 9 for analysis and processing after filtering, amplification and A/D conversion. The valve control device 13 is a siemens S7-1200 PLC.
The detection method of the pipeline valve internal leakage detection device is implemented according to the following steps: the digital ray-based pipeline valve internal leakage detection device is named as a digital ray detection platform 10 except for an industrial personal computer 9, data acquisition and processing equipment 8 and valve control equipment 13;
The utility model discloses a pipeline valve internal leakage detection device, which comprises a digital ray detection platform 10, a detected valve 11, a second valve 12, data acquisition and processing equipment 8, valve control equipment 13 and an industrial personal computer 9.
The digital ray detection platform 10 comprises a base 1, a lifting rod 2, a detector supporting plate 3, a detector 4, a connecting rod 5, a ray source 6 and a spherical rotating mechanism 7. The second valve 12 is connected in series to the pipe 15 downstream of the valve 11 to be tested.
As shown in fig. 2, the position of the digital ray detection platform 10 is determined according to the type of the valve for fixing and installation, the vertical positions of the ray source 6 and the detector 4 are adjusted by using the lifting rod 2, and the horizontal angle of the ray source 6 is adjusted by using the spherical rotating mechanism 7; the ray source 6 emits X rays to the valve 11 to be detected, and the detector 4 receives a detection signal of the valve 11 to be detected and transmits the detection signal to the data acquisition equipment 8 through the data transmission line 14; the data acquisition and processing equipment 8 filters, amplifies and A/D converts the detection signal and then transmits the detection signal to the industrial personal computer 9 through the data transmission line 14; the industrial personal computer 9 receives the detection signal and compares and analyzes the detection signal with the standard value of the nondestructive valve corresponding to the valve, thereby judging whether the valve is internally leaked; if the industrial personal computer 9 judges that the tested valve 11 has internal leakage, the industrial personal computer sends a command to the valve control equipment 13 through the data transmission line 14 to close the second valve 12 connected in series on the downstream pipeline 15 of the tested valve 11 to stop the internal leakage.
The standard database is constructed in the following way: selecting different types of nondestructive valves for detection, determining the position of a digital ray detection platform 10 according to valve category simulation for fixed installation, adjusting the vertical positions of a ray source 6 and a detector 4 by using a lifting rod 2, and adjusting the horizontal angles of the ray source 6 and the detector 4 by using a spherical rotating mechanism 7; the ray source 6 emits X rays to the nondestructive valve, the detector 4 receives detection signals of the nondestructive valve and transmits the detection signals to the data acquisition equipment 8 through the data transmission line 14; the data acquisition and processing equipment 8 filters, amplifies and A/D converts the detection signal and then transmits the detection signal to the industrial personal computer 9 through the data transmission line 14; the industrial personal computer 9 receives the detection signal; repeating the steps until the detection signals of all the nondestructive valves are received, and constructing the detection signals of all the nondestructive valves into a standard database.
The utility model relates to a pipeline valve internal leakage detection device, which consists of two parts, namely hardware and analysis software, wherein the hardware consists of a digital ray detection platform, data acquisition and processing equipment, a detected valve, a second valve, valve control equipment and an industrial personal computer, and is used for functionally finishing the functions of acquisition, filtering, amplification and transmission of a valve internal leakage ray detection signal, and closing the second valve in time to stop internal leakage when the valve generates internal leakage; the software part is responsible for analyzing and processing the acquired signals, determining whether the valve leaks inwards, and if the valve leaks inwards, sending an instruction to the valve control equipment to close the second valve so as to stop the internal leakage in time.
The utility model discloses a pipeline valve inner leakage detection device, which solves the problems that the valve inner leakage detection precision is not high, the operation needs to be stopped for detection, the inner leakage cannot be stopped in time when the valve has the inner leakage and the like in the prior art. The valve inner leakage is detected without stopping production, and when the valve has inner leakage, the inner leakage is prevented in time, so that the safety and the reliability of the valve can be improved, and the economic loss is reduced. The valve inner leakage condition can be detected by the mode of actively emitting rays to gather the detection signals of the valve structure, and the system has the advantages of reasonable design, convenience in use and strong practicability. The detection method of the pipeline valve internal leakage detection device is not limited by the type of the valve, and the internal leakage detection of the different types of valves can be realized without adding extra hardware equipment by establishing standard databases of the different types of valves and determining the installation position of the digital ray detection platform according to the type of the valve. Can leak in the valve and carry out initiative detection to when leaking in the valve takes place, can close the second valve to valve control equipment through industrial computer send instruction, reach the purpose of protection safety in production, reduced the danger that the safety in production accident took place, ensured detection personnel's safety.
Claims (7)
1. Leak detection device in pipeline valve, its characterized in that, including base (1), be provided with detector (4) on base (1), the rigid coupling has connecting rod (5) on base (1), the one end that base (1) was kept away from in connecting rod (5) is provided with radiat source (6), radiat source (6) are located detector (4) directly over, testing platform (10) have been set between radiat source (6) and detector (4), testing platform (10) are connected with valve control equipment (13), valve control equipment (13) are connected with industrial computer (9), industrial computer (9) are connected with data acquisition processing equipment (8), detector (4) are connected in data acquisition processing equipment (8).
2. The pipeline valve internal leakage detection device according to claim 1, wherein the base (1) and the connecting rod (5) and the base (1) and the detector (4) are connected through the lifting rod (2).
3. The pipeline valve internal leakage detection device according to claim 2, wherein a detector support plate (3) is fixedly connected to the bottom of the detector (4), and the detector support plate (3) is connected to the lifting rod (2).
4. The pipeline valve inner leakage detection device according to claim 1, wherein the end of the connecting rod (5) far away from the base (1), the detector support plate (3) and the lifting rod (2) are provided with a spherical rotating mechanism (7), the radiation source (6) is fixedly connected to one spherical rotating mechanism (7), and the detector support plate (3) is fixedly connected to the other spherical rotating mechanism (7).
5. The pipeline valve internal leakage detection device according to claim 1, wherein the base (1) is provided with a plurality of rollers at the bottom.
6. The leak detector in a pipe valve according to claim 1, wherein the radiation source (6) is an X-ray source.
7. The pipeline valve internal leakage detection device according to claim 1, wherein the data acquisition and processing device (8) is an FPGA, and the valve control device (13) is a siemens S7-1200 PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421308.3U CN217006211U (en) | 2022-02-28 | 2022-02-28 | Pipeline valve internal leakage detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220421308.3U CN217006211U (en) | 2022-02-28 | 2022-02-28 | Pipeline valve internal leakage detection device |
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| CN217006211U true CN217006211U (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577359A (en) * | 2023-07-12 | 2023-08-11 | 瑞茂光学（深圳）有限公司 | Shell ring class work piece welding seam check out test set based on X ray detects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577359A (en) * | 2023-07-12 | 2023-08-11 | 瑞茂光学（深圳）有限公司 | Shell ring class work piece welding seam check out test set based on X ray detects |
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