Video detection equipment for monitoring compressed natural gas storage well

Abstract

The invention discloses video detection equipment for monitoring a compressed natural gas storage well, which comprises a video detection shell, and an ultrasonic detection instrument is fixedly arranged on the front side of the lower end of the video detection shell; the assembling structure is mounted on the upper side of the interior of the video detection shell and is used for connecting internal parts of the video detection equipment; the centralizing structure is movably mounted on the outer side of the middle part of the video detection shell, and is used for centralizing the video detection equipment and improving the detection efficiency of the video detection equipment; and the disassembly and maintenance structure is installed on the outer side of the lower end of the video detection shell and used for maintaining the camera, and the disassembly and maintenance structure comprises a fixed cylinder. According to the video detection equipment for monitoring the compressed natural gas storage well, a video detection instrument can be conveniently centralized, the video detection instrument can be conveniently assembled, and a camera can be conveniently disassembled and maintained.

Description

Technical Field

[0001] The invention relates to the technical field of compressed natural gas storage well monitoring, and in particular to a video detection device for compressed natural gas storage well monitoring. Background Art

[0002] Video detection equipment refers to detection equipment that senses targets and generates video image signals through photoelectric imaging technology. This equipment works in the near-infrared to visible spectrum range and is widely used in various scenarios that require visual detection. Compressed natural gas storage well monitoring refers to a series of technical means and management measures for real-time monitoring and control of compressed natural gas storage wells. Video detection equipment is needed in the process of compressed natural gas storage well monitoring. In the process of using video detection equipment for compressed natural gas storage well monitoring, disassembly and maintenance structures are needed to improve the use effect of video detection equipment for compressed natural gas storage well monitoring, such as: Chinese patent authorization announcement number CN105004724B discloses a compressed natural gas storage well video detection device, the device includes a faucet, a video detection pipe section and an ultrasonic detection instrument connected in sequence; a buffer pipe section connector is provided at the connection of the faucet, and the video detection pipe section is connected to the faucet through the buffer pipe section connector; a camera and an LED fill light are installed on the video detection pipe section; the video detection pipe section is connected to the ultrasonic detection instrument through a sealing connector; the centralizer is used to control the centering of the video detection pipe section and the ultrasonic detection instrument. The device can work under 300 meters of water pressure, and can also realize rapid video detection synchronized with ultrasonic wall thickness detection, up to 200 meters / hour, and the effect speed is much higher than the device in the prior art.

[0003] The above-mentioned prior art solutions have the following defects: When the video detection equipment is straightened, it is straightened by a straightener. In actual use, the video detection equipment is straightened by a straightener, but the straightening effect of the video detection equipment in a larger gas storage well is not good. The assembly effect of ordinary video detection equipment is not good, which affects the efficiency of monitoring video detection of compressed natural gas storage wells; The disassembly and maintenance of the camera is not convenient enough, resulting in a high maintenance cost. Therefore, the present invention provides a video detection device for monitoring a compressed natural gas storage well to solve the above-mentioned problem. Summary of the invention

[0004] The object of the present invention is to provide a video detection device for monitoring compressed natural gas storage wells, so as to solve the problem proposed in the above background technology that the video detection device is straightened by a straightener. In actual use, the video detection device is straightened by a straightener, but the straightening effect of the video detection device in larger-sized gas storage wells is not good. The assembly effect of ordinary video detection equipment is not good, which affects the efficiency of monitoring video detection of compressed natural gas storage wells. The disassembly and maintenance of the camera is not convenient enough, which causes the problem of high maintenance cost.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: A video detection device for monitoring a compressed natural gas storage well comprises a video detection housing, on the front side of which an ultrasonic detection instrument is fixedly arranged at the lower end; Also includes: An assembly structure, which is mounted on the upper inner side of the video detection housing and is used to connect the internal parts of the video detection device; A righting structure, which is movably mounted on the outer side of the middle part of the video detection housing and is used to right the video detection device and improve the detection efficiency of the video detection device; The disassembly and maintenance structure is installed on the outer side of the lower end of the video detection housing and is used for the maintenance of the camera.

[0006] Preferably, the disassembly and maintenance structure includes a fixed cylinder, which is fixedly installed on the outer side of the lower end of the video detection housing, and a second sealing ring is fixedly arranged on the inner upper side of the fixed cylinder, and a transparent end cover is movably connected to the lower side of the second sealing ring, and a buffer pad is fixedly installed on the lower end of the transparent end cover.

[0007] Preferably, the transparent end cap is connected to the video detection housing in a threaded manner, and the transparent end cap is connected to the second sealing ring in a fitting manner.

[0008] Preferably, the transparent end cover is connected to the fixing tube by snap-fitting, and the vertical cross-section of the fixing tube is an "L"-shaped structure.

[0009] Preferably, the straightening structure includes a connecting plate, which is movably mounted on the outer side of the middle part of the video detection housing, and a mounting block is fixedly mounted on the inner side of the upper end of the connecting plate, and a mounting rod is movably connected to the inner side of the upper end of the mounting block, and a fixed block is movably connected to the outer side of the mounting rod, and a movable plate is movably connected to the outer side of the connecting plate, and a spring is fixedly arranged on the inner middle side of the movable plate, and a roller is movably connected to the outer side of the movable plate.

[0010] Preferably, the connecting plate and the movable plate are connected in a sliding manner, and the movable plate and the roller are connected in a rotating manner.

[0011] Preferably, the assembly structure includes a connecting limit block, which is fixedly installed on the inner lower side of the video detection shell, and the upper side of the connecting limit block is movably connected with a video electronic circuit board, and a camera is fixedly arranged on the lower middle side of the video electronic circuit board, and a first support plate is fixedly installed on the outer side of the upper end of the video electronic circuit board, a video processing circuit board is arranged on the upper end of the first support plate, and a power supply is fixedly arranged on the upper middle side of the video processing circuit board, and a second support plate is fixedly installed on the outer side of the upper end of the video processing circuit board, and a data storage circuit board is fixedly installed on the upper end of the second support plate, a fixing plate is fixedly installed on the outer side of the upper end of the video detection shell, and a first sealing ring is fixedly installed on the middle side of the upper end of the video detection shell, and a fixing rod is movably connected to the outer side of the middle part of the fixing plate, and an upper cover plate is movably connected to the inner side of the fixing rod, a mounting plate is fixedly installed on the upper rear side of the upper end of the upper cover plate, and a limiting plate is fixedly installed on the inner side of the lower end of the upper cover plate.

[0012] Preferably, the fixing plate and the fixing rod are connected by threads, and the fixing rod is symmetrically distributed about the center line of the upper cover plate.

[0013] Preferably, the first sealing ring is connected to the upper cover plate in a snap-fit ​​manner and performs a sealing function between the upper cover plate and the video detection housing.

[0014] Preferably, the mounting block is connected to the mounting rod by means of threads, and the vertical cross-section of the mounting block is an "L"-shaped structure.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the video detection equipment for monitoring compressed natural gas storage wells is convenient for straightening the video detection instrument, assembling the video detection instrument, and disassembling and maintaining the camera; By placing the video electronic circuit board inside the video detection shell, the video electronic circuit board is snap-connected at the upper end of the connection limit block, and then the upper cover is installed at the upper end of the video detection shell, so that the upper cover is snap-connected at the outer side of the upper end of the first sealing ring, so that the upper cover drives the limit plate to be installed on the upper side of the inner part of the video detection shell, and then the limit plate and the connection limit block limit the data storage circuit board and other parts, so that the upper cover is snap-connected inside the fixing plate, and the fixing rod is rotated so that the fixing rod is threadedly connected at the middle part of the fixing plate, so that the fixing rod is threadedly connected at the outer side of the lower end of the upper cover, so as to facilitate the assembly between the data storage circuit board and other parts and the video detection shell; By pushing the moving plate inward, the moving plate slides inward on the outside of the connecting plate, so that the moving plate drives the spring to be compressed, and then the video detection housing is placed on the inside of the gas storage well, so that the spring pushes the moving plate to slide outward on the outside of the connecting plate, so that the moving plate drives the roller to contact the outer wall of the gas storage well, and then the connecting plate drives the video detection housing to be located in the middle of the gas storage well, which is convenient for straightening the video detection housing; By rotating the transparent end cap, the transparent end cap is threadedly connected to the outer side of the lower end of the video detection shell, so that the transparent end cap slides downward on the outer side of the lower end of the video detection shell, and then the transparent end cap is separated from the lower side of the second sealing ring, and the transparent end cap is separated from the inside of the fixed tube, so that the transparent end cap can be disassembled conveniently, thereby facilitating the maintenance of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the connection between the video detection housing and the transparent end cover of the present invention; Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Figure 3 For the present invention Figure 1 The enlarged structural diagram at B in the middle; Figure 4 It is a schematic diagram of the overall cross-sectional structure of the transparent end cover and the buffer pad connected to each other in the present invention; Figure 5 For the present invention Figure 4 The enlarged structural diagram at C in the middle; Figure 6 This is a schematic diagram of the overall cross-sectional structure of the video detection housing and the connection plate of the present invention; Figure 7 This is a schematic diagram of the explosion structure of the connection plate and the movable plate of the present invention; Figure 8 It is a schematic diagram of the explosion structure of the fixed cylinder and the transparent end cover connected to each other in the present invention.

[0017] In the figure: 1. video detection housing; 2. transparent end cover; 3. buffer pad; 4. video electronic circuit board; 5. camera; 6. first support plate; 7. video processing circuit board; 8. power supply; 9. second support plate; 10. data storage circuit board; 11. upper cover plate; 12. mounting plate; 13. limit plate; 14. roller; 15. connecting plate; 16. fixing cylinder; 17. spring; 18. moving plate; 19. fixing plate; 20. first sealing ring; 21. fixing rod; 22. fixing block; 23. mounting block; 24. mounting rod; 25. ultrasonic detection instrument; 26. connecting limit block; 27. second sealing ring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-8 The present invention provides a technical solution: a video detection device for monitoring a compressed natural gas storage well, comprising: an ultrasonic detection instrument 25 is fixedly arranged at the front side of the lower end of a video detection housing 1, and the ultrasonic detection instrument 25 fixedly arranged at the front side of the lower end of the video detection housing 1 is used to conveniently detect the wall thickness of the gas storage well; An assembly structure is installed on the upper side of the interior of the video detection housing 1, and is used to connect the internal parts of the video detection device. The assembly structure is installed inside the video detection housing 1 to facilitate the assembly of the video detection parts; The righting structure is movably mounted on the outside of the middle part of the video detection housing 1, and is used to right the video detection equipment, and improves the detection efficiency of the video detection equipment. The righting structure is movably mounted on the outside of the middle part of the video detection housing 1, and then the video detection housing 1 is placed on the inside of the gas storage well, so that the righting structure contacts the outer wall of the gas storage well, so that the righting structure drives the video detection housing 1 to be located in the middle of the gas storage well, which is convenient for righting the video detection housing 1; The disassembly and maintenance structure is installed on the outer side of the lower end of the video detection housing 1, and is used for the maintenance of the camera 5. By rotating the disassembly and maintenance structure, the disassembly and maintenance structure is separated on the outer side of the lower end of the video detection housing 1, which is convenient for maintenance of the camera 5.

[0020] When using the video detection equipment for monitoring compressed natural gas storage wells, the specific Figure 1 , Figure 3 and Figure 5In the embodiment, the assembly structure includes a connection limit block 26, which is fixedly installed on the lower inner side of the video detection housing 1, and the upper side of the connection limit block 26 is movably connected with a video electronic circuit board 4, and a camera 5 is fixedly arranged on the lower middle side of the video electronic circuit board 4, and a first support plate 6 is fixedly installed on the outer side of the upper end of the video electronic circuit board 4, and a video processing circuit board 7 is arranged on the upper end of the first support plate 6, and a power supply 8 is fixedly arranged on the middle side of the upper end of the video processing circuit board 7, and a second support plate 9 is fixedly installed on the outer side of the upper end of the video processing circuit board 7, and a data storage circuit board 10 is fixedly installed on the upper end of the second support plate 9, and the video A fixing plate 19 is fixedly arranged on the outer side of the upper end of the video detection housing 1, and a first sealing ring 20 is fixedly arranged on the middle side of the upper end of the video detection housing 1, and a fixing rod 21 is movably connected to the outer side of the middle part of the fixing plate 19, and an upper cover plate 11 is movably connected to the inner side of the fixing rod 21, and a mounting plate 12 is fixedly installed on the upper rear side of the upper end of the upper cover plate 11, and a limiting plate 13 is fixedly installed on the inner side of the lower end of the upper cover plate 11, the fixing plate 19 and the fixing rod 21 are connected in a threaded manner, and the fixing rod 21 is symmetrically distributed about the center line of the upper cover plate 11, the first sealing ring 20 is connected to the upper cover plate 11 in a snap-fit ​​manner and aligns the upper cover plate 11 with the video detection housing 1. The video detection housing 1 plays a sealing role, the video electronic circuit board 4 is placed inside the video detection housing 1, and the video electronic circuit board 4 is snap-connected at the upper end of the connection limit block 26, and then the upper cover plate 11 is installed on the upper end of the video detection housing 1, so that the upper cover plate 11 is snap-connected on the outer side of the upper end of the first sealing ring 20, so that the upper cover plate 11 drives the limit plate 13 to be installed on the upper side of the interior of the video detection housing 1, and then the limit plate 13 and the connection limit block 26 limit the data storage circuit board 10 and other parts, so that the upper cover plate 11 is snap-connected inside the fixing plate 19, and the fixing rod 21 is rotated so that the fixing rod 21 is in the middle of the fixing plate 19. The fixing rod 21 is threadedly connected to the outer side of the lower end of the upper cover plate 11, so that the data storage circuit board 10 and other parts are conveniently assembled with the video detection housing 1. The interior of the gas storage well is monitored and photographed by the camera 5, and the data is transmitted to the video electronic circuit board 4. The video electronic circuit board 4 transmits the processed analog signal to the video processing circuit board 7 to convert the signal into a digital signal, and then transmits the processed data to the data storage circuit board 10 to send the information to the receiving optical terminal of the water instrument box. By providing the first support plate 6 and the second support plate 9, the heat dissipation space of the power supply 8 can be increased, thereby increasing the service life of the power supply 8; Specific as Figure 2 , Figure 6 and Figure 7In the embodiment, the straightening structure includes a connecting plate 15, which is movably mounted on the outer side of the middle part of the video detection housing 1, and a mounting block 23 is fixedly mounted on the inner side of the upper end of the connecting plate 15, and a mounting rod 24 is movably connected to the inner side of the upper end of the mounting block 23, and a fixed block 22 is movably connected to the outer side of the mounting rod 24, and a movable plate 18 is movably connected to the outer side of the connecting plate 15, and a spring 17 is fixedly arranged on the inner middle side of the movable plate 18, and a roller 14 is movably connected to the outer side of the movable plate 18, the connecting plate 15 and the movable plate 18 are connected in a sliding manner, and the movable plate 18 and the roller 14 are connected in a rotating manner, the mounting block 23 and the mounting rod 24 are connected in a threaded manner, and the vertical cross-section of the mounting block 23 is an "L"-shaped structure, the connecting plate 15 is mounted on the outer side of the middle part of the video detection housing 1, so that the connecting plate 15 drives the mounting block 23 to be mounted on the outer side of the upper end of the fixed block 22, and the rotation The mounting rod 24 is moved to be threadedly connected to the inner side of the upper end of the mounting block 23, so that the mounting rod 24 is threadedly connected to the upper end of the fixing block 22, which is convenient for fixing the connecting plate 15, and the movable plate 18 is pushed inwardly, so that the movable plate 18 slides inwardly on the outer side of the connecting plate 15, so that the movable plate 18 drives the spring 17 to be compressed, and then the video detection housing 1 is placed on the inner side of the gas storage well, so that the mounting plate 12 is engaged and installed on the outer side of the optical cable, so that the spring 17 pushes the movable plate 18 to slide outward on the outer side of the connecting plate 15, and then the movable plate 18 drives the roller 14 to contact the outer wall of the gas storage well, so that the connecting plate 15 drives the video detection housing 1 to be located in the middle of the gas storage well, so that the roller 14 rotates inside the movable plate 18, which is convenient for straightening the video detection housing 1, and the ultrasonic detection instrument 25 fixedly arranged on the front side of the lower end of the video detection housing 1 is convenient for detecting the wall thickness of the gas storage well; Specific as Figure 4 , Figure 5 and Figure 8In the embodiment, the disassembly and maintenance structure includes a fixed cylinder 16, which is fixedly installed on the outer side of the lower end of the video detection housing 1, and a second sealing ring 27 is fixedly arranged on the upper side of the interior of the fixed cylinder 16, and a transparent end cover 2 is movably connected to the lower side of the second sealing ring 27, and a buffer pad 3 is fixedly installed on the lower end of the transparent end cover 2, the transparent end cover 2 is connected to the video detection housing 1 in a threaded manner, and the transparent end cover 2 is connected to the second sealing ring 27 in a fitting manner, the transparent end cover 2 is connected to the fixed cylinder 16 in a snap-fit ​​manner, and the vertical cross-section of the fixed cylinder 16 is an "L"-shaped structure, the transparent end cover 2 is rotated, so that the transparent end cover 2 is threadedly connected to the outer side of the lower end of the video detection housing 1, so that the transparent end cover 2 slides downward on the outer side of the lower end of the video detection housing 1, and then the transparent end cover 2 is separated on the lower side of the second sealing ring 27, and the transparent end cover 2 is separated inside the fixed cylinder 16, so that the transparent end cover 2 is convenient to disassemble, thereby facilitating the maintenance of the camera 5.

[0021] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A video detection device for monitoring a compressed natural gas storage well, comprising a video detection housing (1), on the front side of which an ultrasonic detection instrument (25) is fixedly arranged at the lower end; It is characterized in that Also includes: An assembly structure, the assembly structure being mounted on the upper inner side of the video detection housing (1) and being used to connect the internal parts of the video detection device; A righting structure, the righting structure being movably mounted on the outer side of the middle portion of the video detection housing (1), and being used to right the video detection device and improve the detection efficiency of the video detection device; A disassembly and maintenance structure is installed on the outer side of the lower end of the video detection housing (1) and is used for maintaining the camera (5).

2. The video detection device for monitoring a compressed natural gas storage well according to claim 1, characterized in that: The disassembly and maintenance structure comprises a fixed cylinder (16), the fixed cylinder (16) being fixedly mounted on the outer side of the lower end of the video detection housing (1), a second sealing ring (27) being fixedly arranged on the upper side of the interior of the fixed cylinder (16), a transparent end cover (2) being movably connected to the lower side of the second sealing ring (27), and a buffer pad (3) being fixedly mounted on the lower end of the transparent end cover (2).

3. The video detection device for monitoring a compressed natural gas storage well according to claim 2, characterized in that: The transparent end cover (2) is connected to the video detection housing (1) in a threaded manner, and the transparent end cover (2) is connected to the second sealing ring (27) in a fitted manner.

4. The video detection device for monitoring a compressed natural gas storage well according to claim 3, characterized in that: The transparent end cover (2) and the fixed cylinder (16) are connected in a snap-fit ​​manner, and the vertical cross-section of the fixed cylinder (16) is an "L"-shaped structure.

5. The video detection device for monitoring a compressed natural gas storage well according to claim 1, characterized in that: The straightening structure comprises a connecting plate (15), the connecting plate (15) being movably mounted on the middle outer side of the video detection housing (1), a mounting block (23) being fixedly mounted on the inner side of the upper end of the connecting plate (15), a mounting rod (24) being movably connected to the inner side of the upper end of the mounting block (23), and a fixed block (22) being movably connected to the outer side of the mounting rod (24), a movable plate (18) being movably connected to the outer side of the connecting plate (15), a spring (17) being fixedly arranged on the inner middle side of the movable plate (18), and a roller (14) being movably connected to the outer side of the movable plate (18).

6. The video detection device for monitoring a compressed natural gas storage well according to claim 5, characterized in that: The connecting plate (15) and the movable plate (18) are connected in a sliding manner, and the movable plate (18) and the roller (14) are connected in a rotating manner.

7. The video detection device for monitoring a compressed natural gas storage well according to claim 1, characterized in that: The assembly structure comprises a connection limit block (26), the connection limit block (26) being fixedly mounted on the lower side of the interior of the video detection housing (1), and the upper side of the connection limit block (26) being movably connected to a video electronic circuit board (4), and a camera (5) being fixedly arranged on the middle side of the lower end of the video electronic circuit board (4), and a first support plate (6) being fixedly mounted on the outer side of the upper end of the video electronic circuit board (4), a video processing circuit board (7) being arranged on the upper end of the first support plate (6), and a power supply (8) being fixedly arranged on the middle side of the upper end of the video processing circuit board (7), and the upper outer side of the video processing circuit board (7) being fixedly mounted on the upper end of the video processing circuit board (7). A second support plate (9) is fixedly mounted on the side, and a data storage circuit board (10) is fixedly mounted on the upper end of the second support plate (9); a fixing plate (19) is fixedly mounted on the outer side of the upper end of the video detection housing (1); a first sealing ring (20) is fixedly mounted on the middle side of the upper end of the video detection housing (1); a fixing rod (21) is movably connected to the outer side of the middle part of the fixing plate (19); an upper cover plate (11) is movably connected to the inner side of the fixing rod (21); a mounting plate (12) is fixedly mounted on the rear side of the upper end of the upper cover plate (11); and a limiting plate (13) is fixedly mounted on the inner side of the lower end of the upper cover plate (11).

8. The video detection device for monitoring a compressed natural gas storage well according to claim 7, characterized in that: The fixing plate (19) and the fixing rod (21) are connected in a threaded manner, and the fixing rod (21) is symmetrically distributed with respect to the center line of the upper cover plate (11).

9. The video detection device for monitoring a compressed natural gas storage well according to claim 7, characterized in that: The first sealing ring (20) is connected to the upper cover plate (11) in a snap-fitting manner and performs a sealing function between the upper cover plate (11) and the video detection housing (1).

10. The video detection device for monitoring a compressed natural gas storage well according to claim 5, characterized in that: The mounting block (23) and the mounting rod (24) are connected in a threaded manner, and the vertical cross-section of the mounting block (23) is an "L"-shaped structure.

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