Roof vertical lockrand seam leakage point detection positioning device and method

Abstract

The invention discloses a roof upright lockrand seam leakage point detection positioning device and method.The device comprises a vehicle-mounted platform, a power module, a master controller and a leakage point detection mechanism, the power module, the master controller and the leakage point detection mechanism are arranged on the vehicle-mounted platform, the leakage point detection mechanism comprises an inflator pump and an air bag, and a notch matched with a roof upright lockrand is formed in the lower end of the air bag; the air bag is routed on a roof upright lockrand through a notch in an inflated state, deflation holes aligned with a seam of the roof upright lockrand are formed in the side wall of the notch of the air bag, sealing rubber rings are arranged around the deflation holes, an acoustic emission sensor connected with the master controller is further arranged on the side wall of the notch of the air bag, and the acoustic emission sensor is connected with the master controller. The acoustic emission sensor is connected with an acoustic emission detector, and the acoustic emission detector is connected with the master controller and arranged on the vehicle-mounted platform. According to the invention, the leakage point of the roof upright lockrand seam can be detected and positioned, nondestructive detection can be carried out on the roof upright lockrand, and a basis is provided for repairing construction of the roof upright lockrand.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a device and method for detecting and locating leakage points of roof standing seam joints. Background Art

[0002] The construction quality of the standing seam of the building metal sheet roof affects the waterproof performance and thermal insulation performance of the roof. The construction quality of the standing seam of the roof is mainly reflected in whether there are leaks at its joints. It is necessary to determine the location of the leaks and repair the leak areas to improve the construction quality of the standing seam of the metal sheet roof. Therefore, how to detect leaks at the joints of the standing seam of the roof and locate the leaks has become a technical problem that needs to be solved urgently in this field. Summary of the invention

[0003] The purpose of the present invention is to provide a device and method for detecting and locating leak points in roof standing seam joints, so as to solve the problem of how to detect and locate leak points in roof standing seam joints.

[0004] In order to solve the above technical problems, the present invention provides a leakage detection and positioning device for a roof standing seam, comprising a vehicle-mounted platform and a power module, a main controller and a leakage detection mechanism thereon, the power module being connected to the main controller, the main controller being connected to the vehicle-mounted controller of the vehicle-mounted platform, the leakage detection mechanism comprising an air pump and an air bag connected thereto, the air pump being connected to the main controller, the air bag being arranged on the lower surface of the vehicle-mounted platform, the lower end of the air bag being provided with a notch matching the roof standing seam, the air bag being seamed on the roof standing seam through the notch in an inflated state, the side wall of the notch of the air bag being provided with an air release hole aligned with the seam of the roof standing seam, a sealing rubber ring being provided around each of the air release holes, the side wall of the notch of the air bag being provided with an acoustic emission sensor connected to the main controller, the acoustic emission sensor being connected to an acoustic emission detector, the acoustic emission detector being connected to the main controller and being arranged on the vehicle-mounted platform.

[0005] Optionally, in the roof standing seam leak detection and positioning device provided by the present invention, the vehicle-mounted platform also includes end sealing belts arranged on both sides of the sealing rubber ring along the length direction of the airbag.

[0006] Optionally, in the roof standing seam leak detection and positioning device provided by the present invention, the vent holes are multiple and evenly distributed in a straight line.

[0007] Optionally, in the roof standing seam leak detection and positioning device provided by the present invention, the vehicle-mounted platform includes a frame, wheels, a vehicle-mounted controller and a driving mechanism, and the vehicle-mounted controller controls the movement of the wheels through the driving mechanism.

[0008] Optionally, in the roof standing seam leak detection and positioning device provided by the present invention, the main controller and the vehicle-mounted controller share one.

[0009] In order to solve the above technical problems, the present invention also provides a method for detecting and locating leak points of roof standing seam joints, using the above-mentioned device for detecting and locating leak points of roof standing seam joints, comprising:

[0010] The vehicle-mounted platform moves along the roof standing seam to the detection position, and the main controller controls the air pump of the leakage detection mechanism to inflate the airbag to reach the set pressure value. The airbag is tightly fitted with the roof standing seam in the inflated state to squeeze the sealing rubber ring to seal the seam of the roof standing seam, so that the vent hole is connected with the seam of the roof standing seam. The acoustic emission sensor detects the sound signal and transmits it to the acoustic emission detector. The acoustic emission detector analyzes the sound signal to determine whether there is a sound signal of air leakage in the seam of the roof standing seam. When there is a sound signal of air leakage in the seam of the roof standing seam, it is determined that there is a leak at the seam of the roof standing seam corresponding to the detection position and the leak position is marked.

[0011] Compared with the prior art, the device and method for detecting and locating leaks in roof standing seam joints provided by the present invention have the following beneficial effects:

[0012] The acoustic emission sensor detects the sound signal of the airbag deflation hole pointing to the seam of the roof standing seam when it is inflated, and the acoustic emission detector determines whether there is a sound signal of air leakage at the seam of the roof standing seam, thereby determining whether there is a leak at the seam of the roof standing seam corresponding to the detection position of the airbag and marking the location of the leak, thereby realizing the detection and positioning of the leak at the seam of the roof standing seam. It provides a basis for the repair construction of the roof standing seam, improves the construction quality of the roof standing seam, ensures the waterproof and thermal insulation performance of the roof standing seam, reduces building energy consumption, and achieves the effect of energy saving and emission reduction.

[0013] By inflating the airbag, the gas pressure in the airbag will generate a sound signal of air leakage when there is a leak at the joint of the roof standing seam, and no sound signal of air leakage will be generated when there is no leak at the joint. The roof standing seam can be non-destructively tested without disassembling the roof standing seam process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a roof standing seam leak detection and positioning device;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the airbag;

[0016] Figure 3 is a side view of the airbag;

[0017] Figure 4 yes Figure 3 Sectional view at AA in the middle;

[0018] Figure 5 It is a structural diagram of the vertical locking edge of the roof;

[0019] Figure 6 It is a block diagram of an acoustic emission sensor and an acoustic emission detector;

[0020] Figure 7 It is the control principle diagram of the leakage point detection and positioning device of the roof standing seam joint;

[0021] As shown in the figure:

[0022] 100. Roof standing seam leak detection and positioning device;

[0023] 110. vehicle-mounted platform, 111. vehicle frame, 112. wheels, 113. driving mechanism, 114. vehicle-mounted controller;

[0024] 120. Master controller;

[0025] 130. Leakage point detection mechanism, 131. Air pump, 132. Air bag, 1321. Notch, 1322. Air release hole, 1323. Sealing rubber ring, 1324. End sealing belt, 133. Acoustic emission sensor, 134. Acoustic emission detector;

[0026] 140. Power module;

[0027] 150. Standing seam of roof, 151. Seams. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the accompanying drawings: The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0029] Please refer to Figures 1 to 7The embodiment of the present invention provides a roof standing seam leak detection and positioning device 100, including a vehicle-mounted platform 110 and a power module 140 thereon, a master controller 120 and a leak detection mechanism 130, wherein the power module 140 is connected to the master controller 120, and the master controller 120 is connected to the vehicle-mounted controller 114 of the vehicle-mounted platform 110, and the leak detection mechanism 130 includes an air pump 131 and an air bag 132 connected thereto, wherein the air pump 131 is connected to the master controller 120, and the air bag 132 is arranged on the lower surface of the vehicle-mounted platform 110, and a notch matching the roof standing seam 150 is arranged at the lower end of the air bag 132 1321, the airbag 132 is seamed on the roof upright lock seam 150 through the notch 1321 in the inflated state, and the side wall of the notch 1321 of the airbag 132 is provided with a deflation hole 1322 aligned with the seam 151 of the roof upright lock seam 150, and a sealing rubber ring 1323 is provided around each of the deflation holes 1322. The side wall of the notch 1321 of the airbag 132 is also provided with an acoustic emission sensor 133 connected to the main controller 120, and the acoustic emission sensor 133 is connected to an acoustic emission detector 134, and the acoustic emission detector 134 is connected to the main controller 120 and is arranged on the vehicle-mounted platform 110.

[0030] The embodiment of the present invention further provides a method for detecting and locating a leak point of a roof standing seam joint, using the above-mentioned device 100 for detecting and locating a leak point of a roof standing seam joint, comprising:

[0031] The vehicle-mounted platform 110 moves along the roof standing seam 150 to the detection position, and the main controller 120 controls the air pump 131 of the leakage detection mechanism 130 to inflate the airbag 132 to reach the set pressure value. The airbag 132 is tightly fitted with the roof standing seam 150 in the inflated state to squeeze the sealing rubber ring 1323 to close the seam 151 of the roof standing seam 150, so that the venting hole 1322 is connected with the seam 151 of the roof standing seam 150, and the acoustic emission sensor 133 detects the sound signal and transmits it to the acoustic emission detector 134. The acoustic emission detector 134 analyzes the sound signal to determine whether there is a sound signal of air leakage at the seam 151 of the roof standing seam 150. When there is a sound signal of air leakage at the seam 151 of the roof standing seam 150, it is determined that there is a leakage point at the seam 151 of the roof standing seam 150 corresponding to the detection position and the leakage point position is marked. The vehicle-mounted platform 110 can control the vehicle-mounted platform 110 to move and stop by sending control instructions to the vehicle-mounted controller 114 through the main controller 120.

[0032] Please refer to Figure 4In order to improve the sealing performance, the roof standing seam leak detection and positioning device 100 and method provided by the embodiment of the present invention, the vehicle-mounted platform 110 also includes end sealing strips 1324 arranged on both sides of the sealing rubber ring 1323 along the length direction of the airbag 132. The end sealing strips 1324 are used to seal the seams 151 on both sides of the sealing rubber ring 1323.

[0033] Please refer to Figure 4 In order to make the airbag 132 reliably connected with the seam 151 of the roof standing seam 150, the roof standing seam seam leakage detection and positioning device 100 provided by the embodiment of the present invention has a plurality of air release holes 1322 evenly distributed in a straight line.

[0034] Please refer to Figure 1 In the roof standing seam leak detection and positioning device 100 provided by the embodiment of the present invention, the vehicle-mounted platform 110 includes a frame 111, wheels 112, a vehicle-mounted controller 114 and a driving mechanism 113, and the vehicle-mounted controller 114 controls the wheels 112 to move through the driving mechanism 113. The driving mechanism 11 includes a motor and a gearbox, etc.

[0035] In order to reduce costs, in the roof standing seam leak detection and positioning device 100 provided in the embodiment of the present invention, the main controller 120 and the vehicle-mounted controller 114 share one.

[0036] The device 100 and method for detecting and locating leakage points of the seams of the roof standing seams provided by the embodiment of the present invention detects the sound signal of the air bag 132 in the inflated state with the air release hole 1322 aligned with the seam 151 of the roof standing seam 150 through the acoustic emission sensor 133, and determines whether there is a sound signal of leakage at the seam 151 of the roof standing seam 150 through the acoustic emission detector 134, thereby determining that there is a leakage point at the seam 151 of the roof standing seam 150 corresponding to the detection position of the air bag 132 and marking the leakage point position, thereby realizing the detection and positioning of the leakage point at the seam 151 of the roof standing seam 150. Provide a basis for the repair construction of the roof standing seam 150, improve the construction quality of the roof standing seam 150, ensure the waterproof performance and thermal insulation performance of the roof standing seam 150, reduce the energy consumption of the building, and achieve the effect of energy saving and emission reduction.

[0037] The device 100 and method for detecting and locating leak points at the seams of roof standing seams provided by the embodiment of the present invention inflate the airbag 132. The gas pressure in the airbag 132 generates a sound signal of air leakage when there is a leak point at the seam 151 of the roof standing seam 150, and does not generate a sound signal of air leakage when there is no leak point at the seam 151. The roof standing seam 150 is non-destructively tested without disassembling the process of testing the roof standing seam 150. The principle of non-destructive testing is to use the transient sound waves generated by the rapid release of local energy on the surface of the test object to study whether there is air leakage at the seam 151 of the roof standing seam 150.

[0038] The present invention is not limited to the above-mentioned specific implementation modes. Obviously, the above-mentioned embodiments are only some embodiments of the embodiments of the present invention, but not all embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention. Those skilled in the art can make other levels of modifications and changes to the present invention. In this way, if these modifications and changes of the present invention fall within the scope of the claims of the present invention, the present invention is also intended to include these changes and changes.

Claims

1. A roof standing seam leak detection and positioning device, characterized in that: It includes a vehicle-mounted platform and a power module, a main controller and a leakage detection mechanism thereon, the power module is connected to the main controller, the main controller is connected to the vehicle-mounted controller of the vehicle-mounted platform, the leakage detection mechanism includes an air pump and an air bag connected to it, the air pump is connected to the main controller, the air bag is arranged on the lower surface of the vehicle-mounted platform, the lower end of the air bag is provided with a notch matching the upright lock edge of the roof, the air bag is seamed on the upright lock edge of the roof through the notch in the inflated state, the side wall of the notch of the air bag is provided with a deflation hole aligned with the seam of the upright lock edge of the roof, a sealing rubber ring is arranged around each of the deflation holes, the side wall of the notch of the air bag is also provided with an acoustic emission sensor connected to the main controller, the acoustic emission sensor is connected to an acoustic emission detector, the acoustic emission detector is connected to the main controller and is arranged on the vehicle-mounted platform.

2. The roof standing seam leak detection and positioning device according to claim 1, characterized in that: The vehicle-mounted platform also includes end sealing belts arranged on both sides of the sealing rubber ring along the length direction of the airbag.

3. The roof standing seam leak detection and positioning device according to claim 1, characterized in that: The vent holes are multiple and evenly distributed in a straight line.

4. The roof standing seam leak detection and positioning device according to claim 1, characterized in that: The vehicle-mounted platform comprises a vehicle frame, wheels, a vehicle-mounted controller and a driving mechanism, and the vehicle-mounted controller controls the movement of the wheels through the driving mechanism.

5. The roof standing seam leak detection and positioning device according to claim 4, characterized in that: The master controller and the vehicle-mounted controller share one.

6. A method for detecting and locating leaks in roof standing seam joints, characterized in that: The roof standing seam leak detection and positioning device according to any one of claims 1 to 5 comprises: The vehicle-mounted platform moves along the roof standing seam to the detection position, and the main controller controls the air pump of the leakage detection mechanism to inflate the airbag to reach the set pressure value. The airbag is tightly fitted with the roof standing seam in the inflated state to squeeze the sealing rubber ring to seal the seam of the roof standing seam, so that the vent hole is connected with the seam of the roof standing seam. The acoustic emission sensor detects the sound signal and transmits it to the acoustic emission detector. The acoustic emission detector analyzes the sound signal to determine whether there is a sound signal of air leakage in the seam of the roof standing seam. When there is a sound signal of air leakage in the seam of the roof standing seam, it is determined that there is a leak at the seam of the roof standing seam corresponding to the detection position and the leak position is marked.

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