Multi-mode sensor integrated pipeline monitoring terminal shell structure
By designing a housing structure for an integrated pipeline monitoring terminal with multimodal sensors, the problems of traditional single-point measurement technology being unable to fully reflect the flow field distribution and the lack of versatility of multimodal sensors are solved, enabling high-precision real-time monitoring of multiphase fluids in pipelines and adapting to complex pipeline environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KEAISI (SHENZHEN) TECHNOLOGY CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-05-08
AI Technical Summary
Traditional single-point measurement techniques are insufficient to fully reflect the flow field distribution characteristics within pipelines, and the existing multimodal sensors have poor shell structure versatility, failing to meet the high-precision real-time online monitoring requirements of complex flow processes.
A multimodal sensor integrated pipeline monitoring terminal housing structure was designed, including an outer shell and a sealing shell. The outer shell has an assembly hole and a monitoring window on its outer side, and a built-in rolling mechanism and light source. It is made of polyvinylidene fluoride material and is fixed by welding to form a sealed chamber, which can adapt to different sensor types and complex pipeline environments.
It improves the versatility and adaptability of sensors, enables comprehensive monitoring of multiphase fluids in pipelines, provides reliable data support, and ensures stable operation of equipment in complex environments.
Smart Images

Figure CN224214968U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of sensor technology, specifically relating to a housing structure for a multimodal sensor integrated pipeline monitoring terminal. Background Technology
[0002] In industrial processes, high-precision real-time online monitoring of gas-solid two-phase flow containing moist particles or oil-gas-water multiphase mixing and transport processes inside pipelines or reactors is crucial for process control optimization and system efficiency improvement. Traditional single-point measurement techniques not only fail to fully reflect the flow field distribution characteristics but may also interfere with the flow field structure, thus failing to provide complete dynamic information for the study of complex flow processes or reaction mechanisms. Existing multimodal sensors also suffer from poor shell structure versatility. Utility Model Content
[0003] The purpose of this invention is to provide a housing structure for a multimodal sensor integrated pipeline monitoring terminal to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a multimodal sensor integrated pipeline monitoring terminal housing structure, including an outer shell, sealing shells fixedly installed at both ends of the outer shell, an assembly hole and multiple first monitoring windows provided on the outer side of the outer shell, a rolling mechanism fixedly connected to the assembly hole, a pull ring fixedly connected to the sealing shell, and multiple second monitoring windows and a light source located next to the second monitoring windows in the sealing shell.
[0005] Preferably, the rolling mechanism includes a fixed frame and a roller, the fixed frame is movably mounted with the roller, the fixed frame is fixedly connected with a spring, and the other end of the spring is fixedly connected to the bottom of the mounting hole.
[0006] Preferably, the outer shell and the sealing shell are fixed by welding.
[0007] Preferably, both the outer shell and the sealing shell are made of polyvinylidene fluoride.
[0008] Compared with the prior art, the beneficial effects of this utility model are:
[0009] The outer shell and the sealing shells at both ends of this utility model form a sealed chamber to protect the multimodal sensor and electronic circuitry. The outer shell has mounting holes and multiple first monitoring windows. The mounting holes are used to install a rolling mechanism, improving the utility model's passageway within pipelines. The sealing shells have multiple second monitoring windows and light sources located beside the second monitoring windows. The first and second monitoring windows facilitate the multimodal sensor's monitoring of the external environment. Different materials are selected for the observation windows according to the specific sensor type. The light sources beside the second monitoring windows provide supplementary lighting, facilitating camera capture. The multiple first and second monitoring windows allow for the installation of different types of monitoring sensors, improving the utility model's versatility. Attached Figure Description
[0010] Figure 1 This is the first perspective structural view of this utility model.
[0011] Figure 2 This is the second perspective structural view of this utility model.
[0012] Figure 3 This is the fourth perspective structural view of this utility model.
[0013] The diagram is labeled as follows: outer shell 1, sealing shell 2, assembly hole 3, first monitoring window 4, rolling mechanism 5, pull ring 6, second monitoring window 7, light source 8, fixing bracket 9, roller 10, spring 11. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] Example 1:
[0016] This utility model provides a housing structure for a multimodal sensor integrated pipeline monitoring terminal, comprising an outer shell 1, with sealing shells 2 fixedly installed at both ends of the outer shell 1. The outer shell 1 has mounting holes 3 and multiple first monitoring windows 4 on its outer side. A rolling mechanism 5 is fixedly connected to the mounting holes 3. A pull ring 6 is fixedly connected to the sealing shells 2, which have multiple second monitoring windows 7 and a light source 8 located beside each second monitoring window 7. The rolling mechanism 5 includes a fixing frame 9 and rollers 10. The fixing frame 9 movably mounts the rollers 10 and is fixedly connected to a spring 11. The other end of the spring 11 is fixedly connected to the bottom of the mounting hole 3. The outer shell 1 and the sealing shells 2 are fixed by welding. Both the outer shell 1 and the sealing shells 2 are made of polyvinylidene fluoride (PVDF).
[0017] Through the above technical solution, the outer shell 1 and the sealing shells 2 at both ends of this utility model form a sealed chamber for protecting the multimodal sensor and electronic circuit. The outer shell 1 is provided with an assembly hole 3 and multiple first monitoring windows 4. The assembly hole 3 is used to install the rolling mechanism 5 to improve the passability of this utility model in the pipeline. The sealing shell 2 is provided with multiple second monitoring windows 7 and a light source 8 located next to the second monitoring windows 7. The first monitoring windows 4 and the second monitoring windows 7 facilitate the multimodal sensor to monitor the outside. Different materials are selected as observation windows according to the specific sensor type. The light source 8 next to the second monitoring window 7 is used for supplementary lighting to facilitate camera shooting. Through the multiple first monitoring windows 4 and the second monitoring windows 7, different types of monitoring sensors can be installed, improving the versatility of this utility model.
[0018] Example 2:
[0019] The sealed space formed by the outer shell 1 and the sealing shells 2 at both ends in this embodiment provides a reliable protective environment for the sensor module. Its unique monitoring window layout and auxiliary motion mechanism significantly improve the adaptability and functionality of the equipment in complex pipeline environments.
[0020] Both ends of the outer casing 1 are fixedly connected to sealing shells 2, forming an integral sealed structure through flange connection. Multiple first monitoring windows 4 are evenly distributed circumferentially on the outer surface of the outer casing 1. These windows are made of materials with different light transmittance properties, suitable for various sensing elements such as pressure sensors, temperature probes, and optical lenses. The bottom of the outer casing 1 has mounting holes 3 for installing a rolling mechanism 5, improving the casing's passability.
[0021] The sealing shell 2 features a streamlined design to reduce fluid resistance, and its surface is arranged with a ring array of second monitoring windows 7. Each monitoring window has an integrated high-brightness LED light source 8 on its side for illumination during imaging. A pull ring 6 is fitted to the front end of the sealing shell 2 for easy movement of the detection device.
[0022] In this embodiment, the housing structure is first inserted into the pipeline to be tested using a traction device. During movement, a rolling mechanism 5 assists the housing structure. Various sensors acquire internal pipeline parameters through their corresponding monitoring windows, with the optical sensor achieving clear imaging in low-light conditions using an auxiliary light source. Multimodal data is transmitted in real-time to an external receiving terminal via a built-in wireless module, forming a complete pipeline flow status map. Once monitoring is complete, a reverse traction rope can completely retrieve the equipment.
[0023] Example 3:
[0024] In this embodiment, sealing shells 2 are fixedly installed at both ends of the outer casing 1, forming a sealed chamber to protect the internal multimodal sensors and electronic circuits. The outer side of the outer casing 1 is provided with mounting holes 3 and multiple first monitoring windows 4. A rolling mechanism 5 is installed within the mounting holes 3. The rolling mechanism 5 includes a fixing frame 9 and rollers 10. The fixing frame 9 movably mounts the rollers 10, allowing them to rotate freely. The fixing frame 9 is fixedly connected to the bottom of the mounting holes 3 via springs 11. The elasticity of the springs 11 allows the rollers 10 to adapt to unevenness or diameter changes within the pipe, thereby improving the passage of the terminal housing within the pipe.
[0025] As the terminal housing moves within the pipe, the roller 10 contacts and rolls against the pipe's inner wall, reducing frictional resistance. The elastic deformation of the spring 11 allows the roller 10 to adaptively adjust when encountering protrusions or depressions on the pipe's inner wall, preventing jamming. This design is particularly suitable for complex piping environments, such as pipes with welded joints, corrosion, or deposits. Through the cushioning effect of the spring 11, the roller 10 maintains good contact with the pipe's inner wall at all times, ensuring smooth movement of the terminal housing.
[0026] The sealing shell 2 is equipped with a pull ring 6, which can be connected to a rope and pulled to move the terminal shell inside the pipeline. The sealing shell 2 also has multiple second monitoring windows 7 and a light source 8 located beside each second monitoring window 7. The first monitoring window 4 and the second monitoring window 7 are made of transparent or semi-transparent material, facilitating optical, acoustic, or other types of monitoring of the external environment by multimodal sensors. The light source 8 provides supplementary lighting for cameras or other optical sensors, ensuring clear monitoring data can be acquired even in low-light pipeline environments.
[0027] The terminal housing structure in this embodiment, through the cooperation of the rolling mechanism 5 and the spring 11, significantly improves its passability and adaptability in complex pipeline environments. Simultaneously, the multi-monitoring window design allows for the integration of various sensors, enabling comprehensive monitoring of multiphase fluids within the pipeline and providing reliable data support for the optimization and control of industrial processes.
[0028] Example 4:
[0029] In this embodiment, the outer shell 1 and the sealing shell 2 are fixedly connected by fusion welding. This fusion welding process melts the contact surface materials of the outer shell 1 and the sealing shell 2 through high-temperature thermal melting, forming an integrated sealing structure after cooling and solidification. This connection method can effectively eliminate the micro-gaps present in traditional bolted connections or adhesive joints, fundamentally solving the sensor failure problem caused by multiphase flow medium permeation.
[0030] In practice, the welding process utilizes hot plate welding technology. During operation, the mating surfaces of the outer shell 1 and the sealing shell 2 are placed on a heating plate for preheating. Once the materials reach a molten state, the heat source is quickly removed, and the two ends are pressed together. Under pressure, the molten plastic materials interpenetrate and fuse, forming a seamless molecular-level bond upon cooling. This connection method not only enhances mechanical strength but, more importantly, establishes a continuous sealing barrier at the molecular level, completely blocking the penetration paths of media such as water vapor and oil mist.
[0031] Example 5:
[0032] In this embodiment, both the outer shell 1 and the sealing shell 2 are made of polyvinylidene fluoride (PVDF). As a high-performance engineering plastic, PVDF possesses excellent chemical stability and mechanical strength, effectively resisting the corrosive effects of complex media environments within pipelines. This material maintains its structural integrity even under harsh conditions such as strong acids, strong alkalis, and organic solvents, ensuring the long-term stable operation of the sensor housing.
[0033] The outer shell 1, made of polyvinylidene fluoride (PVDF), and the sealing shell 2 form a sealed cavity, providing reliable protection for the internal multimodal sensor. This material has a moderate coefficient of thermal expansion, maintaining a good fit with metal components during temperature changes and preventing seal failure due to thermal expansion and contraction. PVDF has excellent processing properties, allowing for the precise manufacture of shell components with complex structures, including mounting holes 3 and monitoring windows, through injection molding. During pipeline monitoring, the PVDF shell can withstand fluid erosion and particle impact, maintaining structural stability.
[0034] By using polyvinylidene fluoride (PVDF) as the shell material, the pipeline monitoring terminal in this embodiment maintains a lightweight structure while possessing excellent mechanical strength and chemical stability. This material enables the terminal shell to meet the pipeline monitoring needs of multiple industries such as petroleum, chemical, and power, achieving long-term reliable operation of multimodal sensors in harsh environments.
[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0036] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.
Claims
1. A housing structure for a multimodal sensor integrated pipeline monitoring terminal, comprising an outer shell, characterized in that, Sealing shells are fixedly installed at both ends of the outer shell. The outer side of the outer shell is provided with assembly holes and multiple first monitoring windows. A rolling mechanism is fixedly connected to the assembly holes. A pull ring is fixedly connected to the sealing shell. The sealing shell is provided with multiple second monitoring windows and a light source located next to the second monitoring windows.
2. The housing structure of a multimodal sensor integrated pipeline monitoring terminal according to claim 1, characterized in that, The rolling mechanism includes a fixed frame and a roller. The fixed frame is movably mounted with the roller, and a spring is fixedly connected to the fixed frame. The other end of the spring is fixedly connected to the bottom of the mounting hole.
3. The housing structure of a multimodal sensor integrated pipeline monitoring terminal according to claim 1, characterized in that, The outer shell and the sealing shell are fixed by welding.
4. The housing structure of a multimodal sensor integrated pipeline monitoring terminal according to claim 1, characterized in that, Both the outer shell and the sealing shell are made of polyvinylidene fluoride.