TWI592606B - Inside-wall soundness inspection apparatus - Google Patents

Description

Internal soundness survey device

The present invention relates to an internal soundness investigation device for performing inspection of cracks, etched holes, and corrosion sites of an old buried pipe.

At present, various oil tanks such as an oil tank, an oil tank on the ground, and an upright oil tank are used, and these oil tanks are connected to the oil supply port or the oil supply port by piping. In particular, when the piping is buried in the ground, when the piping is cracked, etched, and corroded, the piping may leak. For example, a fuel injection pipe is used when injecting gasoline into an underground oil tank used at a gas station, and a fuel supply pipe is used when oil is supplied from the underground oil tank to the ground (automobile).

In this case, the oil filler pipe and the fuel supply pipe are almost buried in the ground, and cracks occur due to oldness, resulting in oil leakage. A method for solving such a problem is, for example, a Japanese Patent Laid-Open Publication (10-115605). The creation of the invention is an ultrasonic inspection method in which an ultrasonic wave is irradiated on an object to be inspected to detect a discontinuous portion of the object to be inspected, and an inspection range of the object to be inspected is set, and a flaw detection is performed at a constant pitch.

However, the above-mentioned previous method is difficult to inspect the piping buried in the ground. In addition, various inspections and treatments using a fiberscope (Fiber Scope) are widely performed.

In order to solve the above problems, the present invention provides an internal soundness investigation device capable of inspecting a buried pipe which is buried in the ground to prevent oil leakage and causing soil pollution, and the like, and inspecting the crack, the hole and the corrosion of the buried pipe, and particularly provides a device for investigating The recorded image of the object to be inspected is enlarged and recorded, and the internal soundness investigation device of the pipe 瑕疵 can be inspected from a distance by remote operation.

The first aspect of the present invention, which is directed to the above problems, can be achieved by providing an internal soundness surveying device having: an image visual wave device; a processing mechanism for processing the image visual wave device The recorded video is recorded; the monitor displays the aforementioned recorded image; and the recording mechanism records the recorded image.

Furthermore, the second aspect of the present invention for the above problem can be attained by providing an internal soundness surveying device having: an image visual wave device; a processing mechanism for processing the image by the image a recorded image recorded by the wave device; a monitor for displaying the aforementioned recorded image; and a recording mechanism for recording the recorded image; the device is used to insert the image finder into the pipe, as shown in the foregoing The video recording operation controller of the monitor checks the flaws in the aforementioned piping.

Further, the third aspect of the present invention with respect to the above problems can be attained by providing an internal soundness surveying device characterized in that the piping is a fueling pipe or a fueling pipe of a gas station.

Furthermore, the fourth aspect of the present invention for the above problems can be achieved by providing an internal soundness survey device connected to a server via a network and via a network. The above-mentioned piping inspection is performed by remote operation.

Hereinafter, embodiments of the present creation will be described with reference to the drawings.

Figure 1 is an external view of the internal soundness survey device of the present creation. In the figure, the internal soundness surveying device 1 is a video image sensor 2 that detachably configures an optical adapter, a control unit 3 that houses the image visual wave device 2, and a controller that controls the entire system of the internal soundness survey device 1. 4. The display 5 and the power supply unit 6 are displayed in various displays.

Fig. 2 is an explanatory diagram showing the system configuration of the internal soundness survey device 1. As shown in the figure, the optical fiber unit 7 is connected to the internal soundness survey device 1. The optical fiber unit 7 is housed, for example, in the control unit 3 shown in Fig. 1 .

Further, the image viewer 2 includes a light source device for obtaining illumination light required for photographing and an electric bending device for electrically bending the image viewer 2 electrically. Further, a recorded image from the recording element at the top of the image viewer 2 is supplied to the recorded image processing unit 8.

The circuit configuration of the internal soundness survey device 1 is in addition to the above-described video recording processing unit 8, and is also composed of a CPU 9, a ROM 10, a RAM 11, and a LAN interface (hereinafter referred to as a LAN level I/F) 12 and a USB interface (hereinafter, The input interface (hereinafter referred to as input I/F) 14 and the microphone input processing unit 15 are configured by USBI/F.

Further, the above-mentioned input I/F 14 is connected to the optical fiber unit 7 and the aforementioned controller 4. The controller 4 performs drive control of the image oscilloscope 2.

In addition, the USBI/F13 is a USB memory that mounts the video data obtained by the internal soundness survey device 1 in the interface of the USB memory. In addition, the LAN level I/F12 is the interface when connecting to a personal computer (PC).

The recording image processing unit 8 performs a process of recording a video image supplied from the video image 2, and performs necessary processing for display on the monitor 5. Further, the processed video image is recorded on the signal line via the signal line. USB memory. Further, the microphone input processing unit 15 records the information of the sound collected by the microphone in the processing unit for the USB memory, and configures the sound information to be recorded in the USB memory in accordance with the recorded video.

Further, the CPU 9 performs processing in accordance with the program stored in the ROM 10, and drives the internal soundness survey device 1 using the RAM 11 as a work area. Further, image data of a normal pipe (standard sample) measured in advance is stored in the ROM 10, and image data of a standard sample is used as compared with the measurement data as will be described later.

Further, Fig. 3 shows a movement diagram of the distal end portion of the image visual wave device 2, and the configuration is bendable in four directions in accordance with an instruction from an operator using the controller 4.

In the above configuration, an example in which the internal soundness survey device 1 of the present example is used for the flaw detection will be described below.

Fig. 4 is a view showing an example in which the internal soundness survey device 1 of the present example is applied to a pipe when storing gasoline in an underground oil tank. In the figure, the underground oil sump 21 is provided with a fuel injection pipe 22 for flowing gasoline, a fuel supply pipe 23 for drawing gasoline from the underground oil sump 21, a vent pipe 24 for ventilating the underground oil sump 21, and a gasoline stored in the underground oil sump 21. The liquid level gauge of the liquid level is 25. Further, the underground oil tank 21 is buried at a depth specified below the surface, and concrete (not shown) is laid above the underground oil tank 21.

Further, the oil filling port 26 of the oil filler pipe 22 is provided on the surface, and the oil filling is performed from the oil filling port 26. Further, a meter 27 having a gauge for the oil supply pipe 23 and a pump, etc., is provided on the surface for sucking gasoline from the underground oil sump 21, and measuring the amount of gasoline sucked. Further, a valve 28 is provided in the oil filler pipe 22, and a valve 29 is provided in the oil supply pipe 23 for closing the valves 28 and 29 during the repair/modification of the underground oil sump 21. Further, a vent port 30 is provided in the vent pipe 24 to discharge the gas generated in the underground oil sump 21.

Fig. 5 is an enlarged view of the above-described oil filler pipe 22. Further, as shown in the fourth drawing, for example, no manhole is formed, and in order to inspect the sling of the oil filler pipe (embedded pipe) 22, it is necessary to smash the concrete and burrow. However, the case of this example is as follows, and the enthalpy of the oil filler pipe 22 is detected.

First, as shown in Fig. 5, the image optical wave device 2 is inserted into the oil filler tube 22 from the oil filling port 26. Thereafter, the operator operates the aforementioned controller 4 to check for cracks, etch holes, and corrosion in the oil filler tube 22. At this time, a light-emitting portion 31 is provided at the top end of the image-viewing device 2 as shown in Fig. 3 to illuminate the inside of the oil filler tube 22, and the inside of the oil-filling tube 22 is projected onto the monitor 5. Therefore, the operator can view the monitor 5 and operate the controller 4 to confirm cracks, etch holes, and corrosion generated in the oil filler tube 22.

At this time, as shown in the above third figure, the top end of the image optical wave device 2 can be bent in four directions, and the operator views the monitor 5 and operates the controller 4, and sequentially confirms from the vicinity of the oil filling port 26 of the oil filler pipe 22. Cracks on the inner wall of the oil filler pipe 22, and the like. Further, although the oil filler tube 22 has the meandering portions 32 and 33, the image optical wave device 2 has a soft structure and can be bent in accordance with the shape of the oil filler tube 22, and is surely inspected to the position of the valve 28 provided at the end of the oil filler tube 22.

Further, in the operation, the video images of the video oscilloscope 2 are sequentially displayed on the monitor 5, and are also recorded in the aforementioned USB memory. Therefore, after the inspection is completed, the recorded images recorded on the USB memory can be inspected in detail to confirm minute cracks and the like.

Specifically, as described above, a comparison between the standard sample previously stored in the ROM 10 and the recorded image recorded in the USB memory is performed to determine the crack, the etched hole, and the corroded portion inside the buried pipe. Further, in the case of occurrence of cracks, etch holes or corrosion, the distance and size from the entrance of the buried pipe to the occurrence portion can be confirmed.

In addition, the determination of cracks, etch holes and corrosion is determined by considering the number of years of burial, the surrounding environment and aging.

In addition, the control unit 3 also has the function of magnifying the recorded image, and the operator can display the enlarged image of the inner wall of the oil filler tube 22 on the monitor 5 as needed, and record it in the USB memory, and further confirm the tiny turtle. Cracked and so on.

Further, the operator can record the sound information such as the comment at the position of the inspection target via the microphone, and can then review the reference of the crack or the like.

Further, as shown in Fig. 6, the pipe inspection device 1 of this embodiment is connected to the network, and by this configuration, the output of the pipe inspection device 1 of this example can be transmitted to the server via the network. In this case, for example, the video can be transmitted to a specialized organization for verification of cracks or the like.

Furthermore, by using the above-described network, the operator can remotely operate the image viewer 2, and the piping inspection can be performed even from a place far away.

Further, although the above-described example has been described with respect to the oil filler pipe 22, even if the oil supply pipe 23 is used, the sputum inspection can be performed in the same manner. In addition, it is not limited to the buried piping of the gas station, and even if it is a buried piping which generally flows into gasoline, light oil, heavy oil, etc., the piping inspection apparatus 1 of this example can perform the enthalpy inspection similarly.

According to the present invention, the enlarged display of the recorded image can be performed on the monitor, and the information of the recorded image can be recorded in the memory mechanism, and the flaws such as cracks, etch holes and corrosion generated in the pipe can be surely detected.

1‧‧‧Internal soundness survey device

2‧‧‧Image Vision

3‧‧‧Control unit

4‧‧‧ Controller

5‧‧‧Monitor

6‧‧‧Power Supply Department

7‧‧‧Fiber unit

8‧‧‧Video Recording Department

9‧‧‧CPU

10‧‧‧ROM

11‧‧‧RAM

12‧‧‧LANI/F

13‧‧‧USBI/F

14‧‧‧Input I/F

15‧‧‧Microphone Input Processing Department

16‧‧‧ memory

17‧‧‧Operation Input Department

21‧‧‧Underground oil tank

22‧‧‧ oil pipe

23‧‧‧Supply pipe

24‧‧‧ snorkel

25‧‧‧liquid level meter

26‧‧‧ Filling port

27‧‧‧ Machines such as gauges and pumps

28‧‧‧ Valve

29‧‧‧ Valve

30‧‧‧ vent

31‧‧‧Lighting Department

32, 33‧‧‧ Tortuous Department

Figure 1 is an external view of the internal soundness survey device of the present creation.

Fig. 2 is an explanatory diagram showing the system configuration of the internal soundness survey device.

Figure 3 is a diagram showing the movement of the top end of the image viewer.

Fig. 4 is a view showing an example in which the internal soundness investigation device is used for piping inspection.

Figure 5 is a diagram showing the insertion of an image oscilloscope from a fuel injection port into a fuel filler pipe.

Fig. 6 is a view showing a state in which the internal soundness survey device of the present creation is connected to the network.

1. . . Internal soundness survey device (pipe inspection device)

2. . . Image oscilloscope

3. . . control unit

4. . . Controller

5. . . Monitor

6. . . Power supply department

Claims (3)

An internal soundness surveying device, comprising: a video imager; a processing mechanism for processing a recorded image of a position of a pipe inspection object recorded by the image wave device; and a monitor for displaying the aforementioned video recording a recording mechanism for recording the recorded image; a sound information recording mechanism for recording the sound information of the operator's comments and the like at the inspection target position; and an inspection mechanism according to the recording mechanism The information of the recorded image is used to check the soundness inside the pipe, and the pipe 瑕疵 is inspected by referring to sound information such as a comment recorded in the sound information recording mechanism. For example, the internal soundness investigation device of the first application of the patent scope, wherein the piping is a fuel injection pipe or a fuel supply pipe of a gas station. For example, the internal soundness survey device of claim 1 is connected to the server via a network, and the aforementioned pipe inspection is performed by remote operation via the network.