Front-end magnet protection structure of leakage monitor

Abstract

The invention discloses a leakage monitor front end magnet protection structure, which comprises a bottom shell, a protection cover and a magnet body, and is characterized in that the protection cover is connected with one end of the bottom shell through a detachable structure, and the magnet body is arranged between the bottom shell and the protection cover for clamping installation; the axis of the bottom shell, the axis of the protective cover and the axis of the magnet coincide. The bottom shell and the protective cover are connected through the detachable structure, standardized design can be carried out on the bottom shell, the protective cover and the detachable structure so that mounting and dismounting can be facilitated, glue pouring or special tools do not need to be adopted in the mounting process, and the assembling efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of magnet protection structures, and particularly to a magnet protection structure at the front end of a leakage monitor. Background Art

[0002] During the use of a leakage monitor for pipeline leakage monitoring, the main function of the magnet at the front end of the leakage monitor is to magnetize the detected pipe wall. Through the strong magnetic field generated by the magnet, the pipe wall reaches the saturated magnetization state, thereby forming a stable magnetic flux path inside the pipe wall; when there are defects (such as cracks, corrosion pits, etc.) in the pipe wall, the magnetic flux path at the defect will change, and part of the magnetic force lines will bypass the defect or leak out from the defect, forming a leakage magnetic field. The front-end magnet magnetizes the pipe wall and generates a leakage magnetic field. The magnetic flux leakage detector detects the leakage magnetic field in the magnetized pipe wall through a magnetic force sensor. The magnetic flux leakage detector can capture the leaked magnetic force lines and convert them into electrical signals. After the detected electrical signals are filtered, amplified, and converted, they are recorded in the storage system. After the detection is completed, these signals are processed and analyzed by a data analysis system to judge the defect situation of the pipe wall. The leakage monitor can generate a detection report based on the results of signal processing, providing information such as the defect location, size, and shape of the pipe wall.

[0003] The magnet at the front end of the leakage monitor plays a crucial role in monitoring and judging the leakage magnetic field. Therefore, the protection structure of the magnet is a key part to ensure the stable operation of the instrument in a harsh environment and extend its service life. Most of the existing magnet protection structures adopt a multi-layer nested protection structure, which requires fixing the magnet by potting and relies on subsequent processing (such as grinding, calibration); this scheme has complex steps, high requirements for equipment and operators, and is difficult to replace the magnet, making it inconvenient to operate and use. Summary of the Invention

[0004] The purpose of the present invention is to provide a magnet protection structure at the front end of a leakage monitor to solve the problem of poor use effect of the magnet protection structure in the prior art.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A magnet protection structure at the front end of a leakage monitor, comprising:

[0007] A bottom shell;

[0008] A protective cover, connected to one end of the bottom shell through a detachable structure;

[0009] A magnet body, clamped and installed between the bottom shell and the protective cover;

[0010] Wherein, the axis lines of the bottom shell, the protective cover, and the magnet body are coaxially arranged.

[0011] As a further solution of the present invention: The detachable structure includes a plurality of snap protrusions, and the plurality of snap protrusions are evenly arranged at the bottom end of the protective cover. The bottom case is provided with snap notches adapted to the plurality of snap protrusions. When the protective cover rotates and locks along the bottom case, the snap protrusions rotate into the locking groove portion on the bottom case from the position of the snap notches, and the snap protrusions are limited and locked by the locking groove portion.

[0012] As a further solution of the present invention: The snap notches are evenly arranged on the spacer ring. The spacer ring is integrally structured on the circumferential wall of the lower magnet mounting groove on the bottom case. The gap cavity between the lower surface of the spacer ring and the inner bottom wall of the lower magnet mounting groove forms the locking groove portion, and the gap cavity between the upper surface of the spacer ring and the top end of the bottom case forms the sealing groove portion.

[0013] As a further solution of the present invention: The protective cover includes an integrally structured ring cover and a columnar shell. The two ends of the columnar shell protrude from the upper and lower surfaces of the ring cover respectively. A plurality of snap protrusions are evenly arranged on the circumferential outer wall of one end of the columnar shell. A sealing ring is clamped and installed between the lower surface of the ring cover and the sealing groove portion.

[0014] As a further solution of the present invention: The columnar shell is provided with an upper magnet mounting groove for adaptively installing the magnet body.

[0015] As a further solution of the present invention: The sealing ring is made of silicone material.

[0016] As a further solution of the present invention: The edge end of the upper surface of the ring cover is provided with a notch scale part three, and the top end of the bottom case is provided with a notch scale part one and a notch scale part two;

[0017] Among them, when the notch scale part three rotates to align with the notch scale part one, the bottom case and the protective cover are snap-locked;

[0018] When the notch scale part three rotates to align with the notch scale part two, the snap lock between the bottom case and the protective cover is released.

[0019] As a further solution of the present invention: The angles of the notch scale part one and the notch scale part two are 45°.

[0020] As a further solution of the present invention: The bottom case is made of aluminum alloy material.

[0021] As a further solution of the present invention: The protective cover is made of ABS plastic material.

[0022] The beneficial effects of the present invention:

[0023] (1) The bottom shell and the protective cover in the present application are connected by a detachable structure, and the bottom shell, the protective cover and the detachable structure can be standardized to facilitate installation and disassembly. During the installation process, there is no need to inject glue or use professional tools, which helps to improve assembly efficiency;

[0024] (2) The protective structure of the present application can simplify production and reduce processes such as glue filling and polishing to increase the assembly efficiency between the bottom shell and the protective cover by more than 30%;

[0025] (3) The protective structure of the present application can reduce costs, and no professional equipment is required during the assembly process, which can reduce labor costs;

[0026] (4) The protective structure of the present application has high reliability, and the protective cover has sufficient stability and load-bearing capacity to provide physical protection for the front magnet, which can ensure that the magnet breakage rate is reduced by 90%;

[0027] (5) The protective structure of the present application is standardized and replaceable, and the bottom shell, protective cover and detachable structure are standardized in design to facilitate mass production and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Figure 1 It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 is a cross-sectional schematic diagram of the present invention;

[0031] Figure 3 It is a schematic diagram of the splitting of the present invention;

[0032] Figure 4 It is a schematic diagram of the bottom shell structure of the present invention;

[0033] Figure 5 It is a schematic diagram of the protective cover structure of the present invention;

[0034] Figure 6 It is a schematic diagram of installing a sealing ring and a magnet body on the protective cover of the present invention.

[0035] In the figure: 100, bottom shell; 101, lower magnet mounting groove; 102, spacer ring; 103, lock groove portion; 104, sealing groove portion; 105, snap notch; 106, notch scale portion one; 107, notch scale portion two; 200, protective cover; 201, ring cover; 202, column shell; 203, upper magnet mounting groove; 204, snap protrusion; 205, notch scale portion three; 300, magnet body; 400, sealing ring. DETAILED DESCRIPTION

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] In the description of the present invention, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; in the description of the present invention, the meanings of "a plurality" and "several" are at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] Please refer to Figures 1 to 3 As shown, the present invention is a front-end magnet protection structure for a leakage monitor, including a bottom shell 100, a protective cover 200, and a magnet body 300. The protective cover 200 is connected to one end of the bottom shell 100 through a detachable structure, and the magnet body 300 is clamped and installed between the bottom shell 100 and the protective cover 200.

[0039] During the use of the protection structure of the present application, the magnet body 300 is protected by the protective cover 200 detachably connected to the bottom shell 100, so that the magnet body 300 can be wrapped in the protective cover 200. The front-end magnet may be damaged by wear, corrosion, etc. during long-term use, thus affecting its magnetization effect. Therefore, the designed protective cover 200 can protect the front-end magnet and extend the service life of the front-end magnet; if the front-end magnet is damaged or contaminated, it may affect the distribution and intensity of the magnetic field, thereby reducing the accuracy of monitoring. Therefore, protecting the front-end magnet can ensure the reliability of the monitoring results; in some harsh environmental conditions (such as high temperature, humidity, corrosion, etc.), the front-end magnet is more likely to be damaged. Therefore, protecting the front-end magnet can make it better adapt to these complex environments.

[0040] During the use of the protective structure of the present application, the bottom shell 100 and the protective cover 200 are connected by a detachable structure, and the bottom shell 100, the protective cover 200 and the detachable structure can be standardized for easy installation and disassembly. During the installation process, there is no need for glue filling or professional tools, which helps to improve the assembly efficiency and has the following advantages: First, it simplifies production and can reduce the processes such as glue filling and polishing to achieve an assembly efficiency between the bottom shell 100 and the protective cover 200 of more than 30%; second, it reduces costs. No professional equipment is required during the assembly process, which can reduce labor costs; third, it is highly reliable. The protective cover 200 has sufficient stability and load-bearing capacity to provide physical protection for the front-end magnet, which can ensure that the magnet breakage rate is reduced by 90%; fourth, it is standardization and replaceability. The bottom shell 100, the protective cover 200 and the detachable structure are standardized for mass production and maintenance.

[0041] In this specific embodiment, the axis centerlines of the bottom shell 100, the protective cover 200 and the magnet body 300 are arranged to coincide. First, the coincidence of the axis centerlines can ensure the stability of the relative position between the bottom shell 100, the protective cover 200 and the magnet body 300, thereby avoiding vibration or shaking of the leakage monitor equipment due to position deviation, thereby reducing the friction and wear caused by mismatch between components, thereby reducing the risk of failure of the leakage monitor equipment; second, the coincidence of the axis centerlines can ensure that the magnetic field generated is evenly distributed and stable, thereby improving the magnetic properties of the equipment; third, the coincidence of the axis centerlines can reduce damage to the leakage monitor equipment caused by friction and wear between components. When the relative position between the components is stable, the friction and wear between them will be reduced, thereby extending the service life of the leakage monitor equipment.

[0042] In this specific implementation mode, Figures 3 to 5As shown, the detachable structure includes a plurality of snap-on protrusions 204, which are evenly arranged at the bottom end of the protective cover 200, and a snap-on notch 105 adapted to the plurality of snap-on protrusions 204 is provided on the bottom shell 100. When the protective cover 200 is rotated and locked along the bottom shell 100, the snap-on protrusion 204 rotates from the position of the snap-on notch 105 into the locking groove 103 on the bottom shell 100, and the snap-on protrusion 204 is limitedly locked by the locking groove 103; when the detachable structure of the present application is used, the plurality of snap-on protrusions 204 on the protective cover 200 enter the bottom shell 100 from the position of the snap-on notch 105. The protective cover 200 is then rotated to allow the buckle protrusion 204 to rotate into the locking groove 103, and the locking groove 103 limits and locks the buckle protrusion 204 to achieve a rotational buckle installation between the protective cover 200 and the bottom shell 100. The installation is convenient and no glue or professional tools are required during the installation process, which helps to improve the assembly efficiency. When the protective cover 200 on the bottom shell 100 is disassembled again, the buckle protrusion 204 of the rotating protective cover 200 reaches the position of the buckle notch 105, thereby facilitating the protective cover 200 to be quickly pulled out from the bottom shell 100 for mass production and maintenance.

[0043] In this specific implementation mode, Figure 4 As shown, the snap notches 105 are evenly distributed on the spacer ring 102, and the spacer ring 102 is an integral structure arranged on the circumferential wall of the lower magnet mounting groove 101 on the bottom shell 100. The gap cavity between the lower surface of the spacer ring 102 and the inner bottom wall of the lower magnet mounting groove 101 forms a locking groove portion 103, and the gap cavity between the upper surface of the spacer ring 102 and the top end of the bottom shell 100 forms a sealing groove portion 104; during the design process of the snap notches 105 and the locking groove portion 103, the lower magnet mounting groove 101 arranged on the bottom shell 100 is used to clamp and fix the magnet body 300, and the spacer ring 102 on the circumferential side wall of the lower magnet mounting groove 101 is designed so as to evenly distribute a plurality of snap notches 105 on the spacer ring 102, and a locking groove portion 103 is formed below the spacer ring 102, and the formed locking groove portion 103 is convenient for limiting and locking the snap protrusion 204, and the spacer ring 102 is used for sealing and installing with the protective cover 200.

[0044] In this specific implementation mode, Figure 5 As shown, the protective cover 200 includes a ring cover 201 and a column shell 202 of an integral structure, the two ends of the column shell 202 protrude from the upper and lower surfaces of the ring cover 201 respectively, and a plurality of snap protrusions 204 are evenly distributed on the circumferential outer wall of one end of the column shell 202; during the design process of the snap protrusion 204, an upper magnet mounting groove 203 for adapting and mounting the magnet body 300 is provided on the column shell 202, so as to clamp and fix the magnet body 300, and the user can conveniently hold the column shell 202 part to rotate the protective cover 200, so that a locking installation is formed between the snap protrusion 204 and the locking groove portion 103.

[0045] In this specific embodiment, as Figure 2 and Figure 6 shown, a sealing ring 400 is clamped and installed between the lower surface of the ring cover 201 and the sealing groove portion 104. The sealing ring 400 is made of silica gel material. Designing the sealing ring 400 can prevent impurities such as dust and moisture from directly accumulating on the magnet body 300, thereby reducing the influence of the environment on the performance of the magnet body 300 and improving the accuracy and stability of the leakage monitor.

[0046] In this specific embodiment, as Figure 1 and Figure 2 shown, a notch scale portion three 205 is provided at the edge end of the upper surface of the ring cover 201, and a notch scale portion one 106 and a notch scale portion two 107 are provided at the top opening end of the bottom case 100. The angles of the notch scale portion one 106 and the notch scale portion two 107 are 45°. Among them, when the notch scale portion three 205 rotates to align with the notch scale portion one 106, the bottom case 100 and the protective cover 200 are locked by a buckle; when the notch scale portion three 205 rotates to align with the notch scale portion two 107, the buckle lock between the bottom case 100 and the protective cover 200 is released. In this application, the notch scale portion one 106, the notch scale portion two 107 and the notch scale portion three 205 are designed to facilitate determining the rotation angle of the protective cover 200 along the bottom case 100 by observing the notch scale portion, so as to quickly confirm the buckle lock or release position between the two.

[0047] In this specific embodiment, the bottom case 100 is made of aluminum alloy material. The bottom case 100 is the basic component of the protection structure and is used to fix the magnet body 300 and connect the protective cover 200. The aluminum alloy bottom case 100 has a lightweight effect; its high-strength characteristics enable the aluminum alloy bottom case 100 to withstand greater impact force and pressure, ensuring the stable operation of the device in a harsh environment; the aluminum alloy bottom case 100 can still maintain excellent corrosion resistance in a harsh working environment; the aluminum alloy bottom case 100 has good thermal conductivity and can quickly dissipate the heat inside the device, preventing performance degradation or damage caused by overheating; the aluminum alloy bottom case 100 has good plasticity and workability and can be easily made into complex shapes and structures through processes such as casting, stamping, and welding, reducing the manufacturing cost; the aluminum alloy bottom case 100 is a recyclable material, meeting the requirements of modern manufacturing for environmental protection and sustainable development. Using the aluminum alloy bottom case 100 helps reduce waste generation and environmental pollution and promotes the recycling of resources.

[0048] In this specific embodiment, the protective cover 200 is made of ABS plastic. The protective cover 200 made of ABS plastic can effectively absorb and disperse energy when subjected to external force impacts, thereby protecting the internal front-end magnet from damage; the protective cover 200 made of ABS plastic has good heat resistance, can maintain a stable shape at elevated temperatures, is not easily deformed, and at the same time has low-temperature resistance, can maintain elasticity even at low temperatures, and prevent becoming brittle and fragile in cold environments; the protective cover 200 made of ABS plastic is resistant to a variety of chemical substances and is not easily eroded to better protect the front-end magnet to adapt to these complex environments; the easy processability and dimensional stability enable the ABS plastic protective cover 200 to easily meet the requirements of various shapes and sizes, while reducing manufacturing costs; the ABS plastic protective cover 200 has good electrical insulation and is hardly affected by temperature, humidity and frequency.

[0049] The above has described in detail an embodiment of the present invention, but the content described is only a preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the application of the present invention shall still fall within the scope covered by the patent of the present invention.

Claims

1. A front-end magnet protection structure of a leakage monitor, characterized in that: include: Bottom shell (100); A protective cover (200) connected to one end of the bottom shell (100) via a detachable structure; The magnet body (300) is disposed between the bottom shell (100) and the protective cover (200) for clamping and installation; Wherein, the axis lines of the bottom shell (100), the protective cover (200) and the magnet body (300) are arranged to coincide with each other.

2. A front-end magnet protection structure for a leakage monitor according to claim 1, characterized in that: The detachable structure comprises a plurality of snap-on protrusions (204), and the plurality of snap-on protrusions (204) are evenly arranged at the bottom end of the protective cover (200). The bottom shell (100) is provided with snap-on notches (105) adapted to the plurality of snap-on protrusions (204). When the protective cover (200) is rotated and locked along the bottom shell (100), the snap-on protrusions (204) are rotated from the positions of the snap-on notches (105) into the locking grooves (103) on the bottom shell (100), and the snap-on protrusions (204) are limitedly locked by the locking grooves (103).

3. A front-end magnet protection structure for a leakage monitor according to claim 2, characterized in that: The snap-fit ​​notches (105) are evenly distributed on the spacer ring (102); the spacer ring (102) is integrally structured and arranged on the circumferential wall of the lower magnet mounting groove (101) on the bottom shell (100); the gap cavity between the lower surface of the spacer ring (102) and the inner bottom wall of the lower magnet mounting groove (101) forms the locking groove portion (103); and the gap cavity between the upper surface of the spacer ring (102) and the top end of the bottom shell (100) forms the sealing groove portion (104).

4. A front-end magnet protection structure for a leakage monitor according to claim 3, characterized in that: The protective cover (200) comprises a ring cover (201) and a column shell (202) of an integral structure, the two ends of the column shell (202) protrude from the upper and lower surfaces of the ring cover (201) respectively, a plurality of snap-on protrusions (204) are evenly distributed on the circumferential outer wall of one end of the column shell (202), and a sealing ring (400) is clamped and installed between the lower surface of the ring cover (201) and the sealing groove (104).

5. The front-end magnet protection structure of a leakage monitor according to claim 4 is characterized in that: The column shell (202) is provided with an upper magnet installation groove (203) for adapting and installing the magnet body (300).

6. The front-end magnet protection structure of a leakage monitor according to claim 4, characterized in that: The sealing ring (400) is made of silicone material.

7. The front-end magnet protection structure of a leakage monitor according to claim 4 is characterized in that: The edge end of the upper surface of the ring cover (201) is provided with a notch scale portion three (205), and the top end of the bottom shell (100) is provided with a notch scale portion one (106) and a notch scale portion two (107); When the notch scale part three (205) is rotated to be aligned with the notch scale part one (106), the bottom shell (100) and the protective cover (200) are locked by snapping; When the notch scale part three (205) is rotated to be aligned with the notch scale part two (107), the buckle lock between the bottom shell (100) and the protective cover (200) is released.

8. The front-end magnet protection structure of a leakage monitor according to claim 7, characterized in that: The angle between the notch scale part 1 (106) and the notch scale part 2 (107) is 45°.

9. The front-end magnet protection structure of a leakage monitor according to claim 1, characterized in that: The bottom shell (100) is made of aluminum alloy.

10. The front-end magnet protection structure of a leakage monitor according to claim 1, characterized in that: The protective cover (200) is made of ABS plastic material.

Images