Spiral wiring structure of telescopic magnetic sensor underground broken pipe detection equipment
By adopting a spiral wiring structure and an insulating protective layer in the underground detection equipment, the problems of large space occupation and complex structure in the traditional wiring structure in the compact space downhole instrument are solved, and efficient signal transmission and low-cost downhole pipeline detection are achieved.
Patent Information
- Application Number
- CN202421933344.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The wiring structure of traditional underground pipeline inspection equipment has problems such as large space occupation, complex structure, weak anti-interference ability and high maintenance costs in downhole testing instruments with compact space and small outer diameter.
The spiral wiring structure of telescopic magnetic sensor equipment is adopted. The signal transmission line is wound on the linear push rod motor through the spiral wiring structure. It combines the insulating protective layer and signal transmission unit to ensure the stability and reliability of the signal. The outer shell and tube are made of aluminum alloy material to isolate the external environment.
It improves the internal space utilization rate of the equipment, reduces signal loss, reduces maintenance costs, enhances the stability and scope of application of the equipment, and is suitable for complex underground environments.
Smart Images

Figure CN223293712U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pipeline fracture position detection in oil wells, and in particular relates to a spiral wiring structure of a telescopic magnetic sensor underground pipe fracture detection device. Background Art
[0002] In the field of downhole pipeline fracture location detection technology, accurately detecting the fracture location of downhole pipelines is crucial to ensuring the safe operation of oil wells. Traditional wiring structures mainly include instrument pipe punching wiring, direct wiring, or external wiring. Instrument pipe punching wiring involves drilling holes in the outer wall of the instrument pipe so that the wiring can be passed through these holes and extended to the required location. Direct wiring refers to fixing the cable directly to the outside of the pipeline or instrument without any additional pipes or protective measures. External wiring involves laying the cable outside the pipeline, usually using a protective sleeve or fixing clamp to fix the cable. In addition, a new wiring structure, the slip ring wiring method, connects the signal line to the slip ring rotor by passing it through the middle of the hollow drive shaft. The slip ring stator is covered on the outer shell of the slip ring rotor. The sliding connection between them is used to transmit the current to the slip ring stator, and then connects to the motor through the lead wire.
[0003] However, traditional wiring structures often face the problems of large space occupation and complex structure, especially in downhole testing instruments with compact structures and small outer diameters. For example, drilling holes in the instrument tube for wiring may damage the pipeline structure and is difficult to implement in narrow or irregular spaces; directly wiring cables is easily damaged by external environmental factors such as wear and corrosion, and wiring in complex spaces may be more difficult; external wires take up a lot of space, which may affect other functions or operations of the pipeline and is difficult to use in space-constrained situations. The existing wiring structure, slip ring wiring method, although it effectively utilizes space, is complex in structure, has weak anti-interference ability, and has high maintenance costs. Utility Model Content
[0004] The utility model discloses a spiral wiring structure for a telescopic magnetic sensor device used for downhole pipe break detection. This structure optimizes the existing wiring structure. The spiral wiring structure allows the detection device to be freely retractable and the spiral wiring structure improves the utilization rate of the internal space of the rod-shaped detection device. The optimized winding path improves the acquisition efficiency and accuracy of the detection signal. The application of the insulating protective layer and the signal transmission unit enhances the stability and reliability of the device. Compared with traditional and existing wiring structures, the optimized wiring structure is simpler to operate and has a lower cost. To achieve the above-mentioned purpose, the technical solutions adopted by the utility model are as follows:
[0005] A spiral wiring structure for a telescopic magnetic sensor downhole broken pipe detection device includes: a magnetic compass, a magnetic field data processing unit, a linear push rod motor, a signal transmission line, a communication module, and an external shell and tube; the signal transmission line connects the magnetic compass and the magnetic field data processing unit with the communication module, the signal transmission line is wound around the linear push rod motor through the spiral wiring structure, and the external shell and tube is outside the instrument body.
[0006] Furthermore, a spiral wiring structure is used to attach the signal transmission line to the linear actuator motor. With this wiring structure, the signal transmission line forms several uniform spiral shapes on the linear actuator motor, and the density of the wiring changes as the linear actuator motor expands and contracts. This wiring structure not only saves space and costs, but also ensures the continuity and stability of the signal during expansion and contraction.
[0007] Furthermore, the selection of conductive materials, including signal transmission lines made of conductive materials with good conductivity, reduces losses during signal transmission and ensures signal clarity and accuracy.
[0008] Furthermore, an optimized winding path design is adopted, including an optimized winding path for the signal transmission line, so that the cable is wound around the linear actuator motor in a uniform spiral shape, thereby improving the stability of signal acquisition.
[0009] Furthermore, quick disconnect and connect mechanisms, including a new spiral wiring structure, allow for quick disconnect and connection without sacrificing signal quality, improving the device’s flexibility and ease of maintenance.
[0010] Furthermore, the outer skin of the signal transmission line is made of insulating material and covers the inner core, thereby ensuring insulation and anti-electromagnetic interference capabilities, and improving the safety and stability of the equipment;
[0011] Furthermore, the signal transmission line connects the magnetic field data processing unit and the communication module through a physical connection method, thereby avoiding signal attenuation and delay problems that may be encountered in wireless transmission and ensuring the reliability of signal transmission;
[0012] Furthermore, the outer shell tube is made of aluminum alloy material, which isolates the signal transmission line from the external environment.
[0013] Through the above technical solution, the utility model optimizes the wiring structure, which not only improves the utilization rate of the internal space of the rod-shaped detection equipment, but also does not cause damage to the external shell and tube structure of the instrument; the signal transmission line is not in direct contact with the external environment, which reduces the possibility of corrosion and saves the cost of equipment maintenance; the spiral wiring structure is simple in structure and easy to operate, and can realize automated wiring, which has significant technical advantages and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the implementation cases of the present utility model, the following is a brief introduction to the drawings required for the implementation. It should be understood that the following drawings only show certain embodiments of the present utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without any creative work.
[0015] Figure 1 It is a schematic diagram of the internal structure of the utility model.
[0016] Figure 2 This is a schematic diagram of the outer shell and tube of the present utility model.
[0017] Figure 3 This is a schematic diagram of the magnetic compass and magnetic field data processing unit of the present invention.
[0018] Figure 4 This is a schematic diagram of the communication module of the present utility model.
[0019] Figure 5 It is a schematic diagram of the internal structure of the upper middle part of the utility model.
[0020] Markings in the figure:
[0021] 1. Magnetic compass; 2. Magnetic field data processing unit; 3. Linear actuator motor; 4. Signal transmission line; 5. Communication module; 6. External shell and tube. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0023] It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures. Furthermore, in the description of this utility model, the terms "first" and "second" are used only to distinguish descriptions and should not be understood to indicate or imply relative importance.
[0024] like Figure 1-5 As shown, a spiral wiring structure of a telescopic magnetic sensor downhole broken pipe detection device includes: a magnetic compass 1, a magnetic field data processing unit 2, a linear push rod motor 3, a signal transmission line 4, a communication module 5, and an external shell tube 6; the signal transmission line 4 connects the magnetic compass 1 and the magnetic field data processing unit 2 with the communication module 5, and the signal transmission line 4 is wound around the linear push rod motor through a spiral wiring structure. The external shell tube 6 is outside the instrument body.
[0025] Signal transmission line 4 is attached to the linear actuator motor 3 via a spiral wiring structure. The wiring begins at the base of the linear actuator motor, where it connects to the magnetic compass 1 and magnetic field data processing unit 2, and winds at even intervals and angles to the top, where it connects to the communication module, forming a stable spiral structure. Signal transmission line 4 physically connects the magnetic field data processing unit 2 and the communication module 5.
[0026] The linear actuator motor 3 is a core component of the present invention. It is designed as a retractable structure, driven by a motor, to adapt to different downhole environments and operational requirements. The linear actuator motor is made of a high-strength lightweight alloy to ensure sufficient strength and durability while reducing weight.
[0027] The signal transmission line 4 is made of a conductive material with good conductivity, such as a high-purity copper wire, to reduce signal loss during transmission and ensure signal clarity and accuracy.
[0028] The outer skin of the signal transmission line 4 is made of insulating material, such as high-density polyethylene or silicone rubber, to provide good insulation and anti-electromagnetic interference capabilities, thereby ensuring the safety and stability of signal transmission.
[0029] The outer shell tube 6 is made of corrosion-resistant aluminum alloy material, and the components 1-5 are installed inside the outer shell tube 6 and are not in direct contact with the external environment.
[0030] Through spiral wiring, the equipment achieves more efficient space utilization in limited underground space and is suitable for narrow or space-restricted environments. The spiral wiring structure ensures the speed and accuracy of signals during transmission, reduces signal loss, and improves the quality of data acquisition. The quick disconnect and connection mechanism makes the equipment more convenient and quick when maintenance or component replacement is required. The special spiral wiring and insulation material application improve the stability of the equipment and reduce the impact of external environmental interference on signal transmission. Compared with traditional wiring structures that require complex structures and high costs, it is more cost-effective. The physical connection method avoids the signal attenuation and delay problems that may be encountered in wireless transmission, ensuring the reliability of signal transmission. It is suitable for various complex underground environments and increases the scope of application and service life of the equipment. The application of the insulating protective layer enhances the safety of the equipment and protects the cable from corrosion and mechanical damage.
[0031] The objects and advantages of the present invention can be realized and obtained through the structures particularly pointed out in the specification, claims, and drawings.
[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
[0033] The above description is merely a specific implementation of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A spiral wiring structure of a telescopic magnetic sensor downhole broken pipe detection device, characterized in that: include: A magnetic compass (1), a magnetic field data processing unit (2), a linear push rod motor (3), a signal transmission line (4), a communication module (5), and an external shell tube (6); the signal transmission line (4) connects the magnetic compass (1) and the magnetic field data processing unit (2) with the communication module (5); the magnetic compass (1) and the magnetic field data processing unit (2) transmit signals to the communication module (5) via the signal transmission line (4); and the signal transmission line (4) is wound around the linear push rod motor (3) via a spiral wiring structure.
2. The spiral wiring structure of the telescopic magnetic sensor downhole broken pipe detection device according to claim 1, characterized in that: The interior of the signal transmission line (4) is made of a conductive material with good conductivity.
3. The spiral wiring structure of the telescopic magnetic sensor downhole broken pipe detection device according to claim 1, characterized in that: The outer skin of the signal transmission line (4) is made of insulating material and covers the inner core.
4. The spiral wiring structure of the telescopic magnetic sensor downhole broken pipe detection device according to claim 1, characterized in that: The signal transmission line (4) connects the magnetic field data processing unit (2) and the communication module (5) via a physical connection method.