CN-122016178-A - Self-adaptive adjustment suction gun type leakage detection device

CN122016178ACN 122016178 ACN122016178 ACN 122016178ACN-122016178-A

Abstract

The invention discloses a self-adaptive adjusting suction gun type leak detection device, which belongs to the technical field of leak detection, and comprises a connecting component, wherein a suction gun is arranged on the connecting component, the front end of the suction gun is provided with a suction nozzle for collecting gas, the suction gun can rotate relative to the connecting component so as to change the angle between the suction nozzle of the suction gun and a leakage point, the suction gun can slide relative to the connecting component so as to change the distance between the suction nozzle of the suction gun and the leakage point, a height area is preset on a to-be-detected article, and the suction gun is adjusted to an angle and a distance corresponding to the height area according to the height area to which the position of the leakage point belongs. The invention fundamentally overcomes the instability of manual operation, scientifically presets the optimal angle and distance parameters of the high, medium and low detection areas based on the gas diffusion principle, converts the experience-dependent hand feeling into a stable and reproducible automatic process, remarkably improves the sensitivity, reliability and efficiency of leak detection, and provides key technical support for automatic leak detection.

Inventors

YANG ZHEN
ZHOU QINGZHI
YAN RUI
YAN YAN
YANG YEKUN

Assignees

维克美(天津)科技发展有限责任公司

Dates

Publication Date: 20260512
Application Date: 20260224

Claims (10)

1. The utility model provides a self-adaptation adjustment inhale rifle type leak hunting device, a serial communication port, including coupling assembling, be equipped with on the coupling assembling and inhale the rifle, inhale the front end of rifle and be equipped with the suction nozzle that is used for gathering gas, inhale the rifle and can rotate relative coupling assembling, with the angle between change inhale rifle suction nozzle and the leakage point, inhale the rifle and can slide relative coupling assembling, with the distance between change inhale rifle suction nozzle and the leakage point, preset the altitude area on the article to be examined, according to the altitude area that the leakage point position belongs to, inhale the rifle adjustment to the angle and the distance corresponding with this altitude area.
2. The self-adaptive adjusting suction gun type leak detection device according to claim 1, wherein the height area comprises a high level area, a middle level area and a low level area, wherein the height of the leakage point is H P , and the height of the to-be-detected product is H; When H P is more than 0.66H, the leakage point is positioned in a high-level area; When H P is less than or equal to 0.33H and less than or equal to 0.66H, the leakage point is positioned in the middle position area; When H P is less than 0.33H, the leakage point is positioned in the low-order area.
3. The adaptively adjusted suction gun type leak detection apparatus as defined in claim 2, wherein the suction gun is provided with a first state, a second state and a third state; when the leakage point is positioned in a high-level area, the suction gun is in a first state, the angle between the suction nozzle of the suction gun and the leakage point is 60-80 degrees, and the distance between the suction nozzle of the suction gun and the leakage point is 5-7 mm; when the leakage point is positioned in the middle position area, the suction gun is in a second state, the angle between the suction nozzle of the suction gun and the leakage point is 45-60 degrees, and the distance between the suction nozzle of the suction gun and the leakage point is 3-5 mm; when the leakage point is positioned in the low-level area, the suction gun is in a third state, the angle between the suction gun suction nozzle and the leakage point is 90 degrees, and the distance between the suction gun suction nozzle and the leakage point is 7mm-10mm.
4. The self-adaptive adjusting suction gun type leakage detection device according to claim 1, wherein the connecting assembly comprises a supporting part, a sliding groove is formed in the supporting part, a supporting rod is arranged on the suction gun, and the suction gun can slide along the sliding groove through the supporting rod.
5. The self-adaptive adjusting suction gun type leakage detection device according to claim 4, wherein a sleeve is fixedly connected to the suction gun, a connecting rod is fixedly connected to the sleeve, and one end of the connecting rod, which is far away from the suction gun, is fixedly connected with the supporting rod.
6. The self-adaptive tuned suction gun type leak detection apparatus as defined in claim 4, wherein the support bar is positioned on the same axis as the suction gun nozzle.
7. The self-adaptive adjusting suction gun type leakage detection device according to claim 4, wherein a hollow cavity is formed in the supporting portion, an electric push rod is arranged in the hollow cavity, a fixed end of the electric push rod is fixedly connected with an inner wall of the hollow cavity, a lantern ring is fixedly connected to an output end of the electric push rod, and the lantern ring is sleeved on the supporting rod so as to drive the supporting rod and the suction gun to slide through the output end of the electric push rod.
8. The self-adaptive adjusting suction gun type leakage detection device according to claim 7, wherein the rack is fixedly connected in the supporting part, the gear is fixedly connected on the supporting rod, and the gear is meshed with the rack so as to synchronously rotate with the supporting rod as an axis when the suction gun slides, so that the suction gun is switched between different states.
9. The adaptively adjusted suction gun type leak detection apparatus as defined in claim 1, wherein the suction gun is provided with a height sensor, and the absolute height of the suction gun with respect to the ground or the reference plane is measured by the height sensor.
10. The adaptively adjusted suction gun type leak detection apparatus as defined in claim 9, further comprising a controller for receiving the height measured by the height sensor, and then determining a height area to which the leak point belongs, and controlling the suction gun to adjust to a state corresponding to the height area according to the height area to which the leak point belongs.

Description

Self-adaptive adjustment suction gun type leakage detection device Technical Field The invention belongs to the technical field of leakage detection, and particularly relates to a self-adaptive adjustment suction gun type leakage detection device. Background Gas leakage detection is a key link in industrial production, equipment maintenance and safety monitoring, and especially for pressure vessels, pipeline systems, sealing equipment and the like, leakage of trace gas can not only lead to medium loss and efficiency reduction, but also cause serious problems in safety, environmental protection and the like. The traditional leak detection method comprises bubble leak detection, pressure attenuation method, halogen leak detection, helium mass spectrum leak detection and the like, wherein the suction gun type leak detection method has the advantages of accurate positioning, high sensitivity, suitability for large-volume or complex structure equipment and the like, and is widely applied to industrial sites. In the existing suction gun type leak detection operation, a suction gun is usually manually held, slowly moves on a surface to be detected, and a leakage point is judged by means of response of a detector. However, manual operation is poor in stability, it is difficult to always maintain the optimal distance and angle between the suction gun and the leakage point, resulting in fluctuation in detection sensitivity, and possible missing of minute leakage or generation of false alarm. Therefore, there is a need to design an adaptively adjusted suction gun type leak detection device to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide a self-adaptive adjusting suction gun type leakage detection device, which has the advantages of automatically adjusting the distance and angle of a suction gun relative to a leakage point and matching the corresponding optimal detection gesture according to a preset height area, and solves the problems in the background art. In order to achieve the above purpose, the specific technical scheme of the self-adaptive adjusting suction gun type leakage detection device is as follows: The utility model provides a self-adaptation adjustment inhale rifle formula leak hunting device, including coupling assembling, be equipped with on the coupling assembling and inhale the rifle, inhale the front end of rifle and be equipped with the suction nozzle that is used for gathering gas, inhale the rifle and can rotate relative coupling assembling to change the angle between suction nozzle and the leakage point of inhaling the rifle, inhale the rifle and can slide relative coupling assembling, with the distance between change inhaling the rifle suction nozzle and the leakage point, preset the altitude area on the article to be examined, according to the altitude area that the leakage point position belongs to, inhale the rifle adjustment to the angle and the distance corresponding with this altitude area. Further, the height area comprises a high-level area, a middle-level area and a low-level area, wherein the height of the leakage point is H P, and the height of the to-be-detected product is H; When H P is more than 0.66H, the leakage point is positioned in a high-level area; When H P is less than or equal to 0.33H and less than or equal to 0.66H, the leakage point is positioned in the middle position area; When H P is less than 0.33H, the leakage point is positioned in the low-order area. Further, the suction gun is provided with a first state, a second state and a third state; when the leakage point is positioned in a high-level area, the suction gun is in a first state, the angle between the suction nozzle of the suction gun and the leakage point is 60-80 degrees, and the distance between the suction nozzle of the suction gun and the leakage point is 5-7 mm; when the leakage point is positioned in the middle position area, the suction gun is in a second state, the angle between the suction nozzle of the suction gun and the leakage point is 45-60 degrees, and the distance between the suction nozzle of the suction gun and the leakage point is 3-5 mm; when the leakage point is positioned in the low-level area, the suction gun is in a third state, the angle between the suction gun suction nozzle and the leakage point is 90 degrees, and the distance between the suction gun suction nozzle and the leakage point is 7mm-10mm. Further, the connecting assembly comprises a supporting part, a sliding groove is formed in the supporting part, a supporting rod is arranged on the suction gun, and the suction gun can slide along the sliding groove through the supporting rod. Further, fixedly connected with sleeve on inhaling the rifle, fixedly connected with connecting rod on the sleeve, the one end and the bracing piece fixed connection that inhale the rifle are kept away from to the connecting rod. Further, the support rod and the suction nozzle of the suction gun are