Bypass power generation device and piping system

Abstract

This application relates to the field of nanotechnology and discloses a bypass power generation device and pipeline system. The bypass power generation device includes: a bypass pipeline having an inlet and an outlet for connecting to a main pipeline; a nano-triboelectric power generation unit disposed within the bypass pipeline, which generates electricity through friction under the scouring of fluid within the bypass pipeline; and a valve assembly installed on the bypass pipeline for controlling the opening and closing of the bypass pipeline. The valve assembly includes a first valve and a second valve, the first valve being located between the inlet and the nano-triboelectric power generation unit, and the second valve being located between the outlet and the nano-triboelectric power generation unit. This bypass power generation device can effectively utilize the energy within the pipeline.

Description

Technical Field

[0001] This application relates to the field of nanotechnology, and in particular to a bypass power generation device and piping system. Background Technology

[0002] With the rapid development of the Internet of Things (IoT) and distributed sensing technologies, the energy demand for microelectronic devices is growing dramatically. Traditional chemical batteries suffer from limited lifespan, high replacement and maintenance costs, and environmental pollution, while renewable energy sources such as solar and wind power are limited by environmental stability and installation space. Against this backdrop, environmental mechanical energy harvesting technology has become a research hotspot due to its sustainability and widespread distribution. Pipeline networks, as the core carriers of industrial production and municipal infrastructure, contain a large amount of untapped mechanical energy within their fluids. In existing technologies, energy harvesting from pipeline fluids mainly relies on electromagnetic induction or the piezoelectric effect. Electromagnetic generators require built-in coils and magnets, resulting in complex structures and sluggish responses to low-velocity fluids, making miniaturization difficult. Piezoelectric devices rely on brittle ceramic materials, exhibiting poor fatigue resistance and limited output power.

[0003] Therefore, there is an urgent need to provide a power generation device that can effectively utilize the energy inside the pipeline. Utility Model Content

[0004] This application discloses a bypass power generation device and pipeline system, which can effectively utilize the energy inside the pipeline.

[0005] To achieve the above objectives, this application provides the following technical solution:

[0006] In a first aspect, this application provides a bypass power generation device, comprising:

[0007] A bypass pipe having an inlet and an outlet for connecting to a main pipe;

[0008] A nano-triboelectric power generation unit is placed inside the bypass pipe, and the nano-triboelectric power generation unit is used to generate electricity by friction under the flushing of fluid inside the bypass pipe;

[0009] A valve assembly is installed on the bypass pipe for controlling the opening / closing of the bypass pipe; the valve assembly includes a first valve and a second valve, the first valve being located between the liquid inlet and the nano-triboelectric unit, and the second valve being located between the liquid outlet and the nano-triboelectric unit.

[0010] In some embodiments, the diameter of the bypass pipe on the inlet side is smaller than the diameter of the bypass pipe on the outlet side.

[0011] In some embodiments, the diameter of the bypass pipe gradually increases from the inlet to the outlet.

[0012] In some embodiments, the bypass pipe is an arc-shaped pipe that convexes away from the direction of the main pipe.

[0013] In some embodiments, the bypass pipe is a U-shaped pipe with the U-shaped opening facing the main pipe.

[0014] In some embodiments, the nano-triboelectric unit is a Karman vortex street nano-triboelectric unit.

[0015] In some embodiments, the nano-triboelectric power generation unit includes a turbulence column, a flexible rotor assembly, and a stator electrode assembly, wherein:

[0016] The position of the baffle column relative to the bypass pipe is fixed;

[0017] The stator electrode assembly includes an electrode and a fixing plate, the fixing plate being fixed to the turbulence column, and the electrode being fixed to one side of the fixing plate;

[0018] The flexible rotor assembly includes a friction element and a flexible element. One end of the flexible element is fixed to the turbulence column, and the friction element is fixed to the flexible element. The flexible rotor assembly is configured to disrupt the flow state of the fluid when it passes through the turbulence column and to continuously turbulent it based on the Karman vortex street principle, so that the friction element contacts or separates from the electrode.

[0019] In some embodiments, the material of the friction element includes one of polytetrafluoroethylene, paper, nylon, or fluorinated ethylene propylene copolymer;

[0020] And / or, the material of the flexible element includes at least one of silicone or hydrogel;

[0021] And / or, the material of the electrode includes at least one of copper, aluminum, silver or gold.

[0022] In some embodiments, the bypass power generation device further includes a liquid pumping device, the liquid pumping port of which is selectively connected to a portion of the bypass pipeline between the first valve and the second valve.

[0023] Secondly, this application also provides a pipeline network, including a main pipeline and a bypass power generation device as provided in any of the technical solutions in the first aspect above, wherein the inlet and outlet of the bypass pipeline in the bypass power generation device are respectively connected to the main pipeline.

[0024] One embodiment of this application described above has at least the following advantages or beneficial effects:

[0025] It should be noted that the bypass power generation device provided in this application can ensure the normal operation of the main pipeline, thereby reducing the impact on the entire pipeline network and improving safety performance. Specifically, during the maintenance process of the nano-triboelectric power generation unit within the bypass power generation device provided in this application, it is not necessary to disconnect the main pipeline. The connection between the bypass pipeline and the main pipeline can be severed by closing the first and second valves. After removing the fluid from the portion of the bypass pipeline between the first and second valves, the operator can perform maintenance on the nano-triboelectric power generation unit within the bypass pipeline.

[0026] Meanwhile, this bypass power generation device can promote the upgrading of industrial IoT energy supply technology, achieve zero pipeline downtime and maintenance during energy harvesting, thereby improving the sustainability and system reliability of energy collection.

[0027] Accordingly, the bypass power generation device forms a pluggable energy component, which can be maintained as easily as replacing a battery, providing a reliable and continuous energy supply for pipeline networks, and providing maintenance-free energy harvesting infrastructure for the Industrial Internet of Things. This can further promote the advancement of smart city construction and resource management, and contribute important technological support to achieving sustainable development goals. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the pipe network structure provided in an embodiment of this application;

[0029] Figure 2 This is another schematic diagram of a pipeline network provided in an embodiment of this application;

[0030] Figure 3 This is a schematic diagram of the structure of the nano-triboelectric power generation unit in the bypass power generation device provided in the embodiments of this application;

[0031] Figure 4 for Figure 3 Schematic diagram of the structure of the flexible rotor assembly;

[0032] Figure 5 for Figure 3 Schematic diagram of the middle stator electrode assembly;

[0033] Figure 6 Simulation color diagram of the pipeline network provided in the embodiments of this application;

[0034] Figure 7 A simulated grayscale image of the pipeline network provided in the embodiments of this application;

[0035] Reference numerals: 100, bypass power generation device; 110, bypass pipe; 120, nano-triboelectric power generation unit; 121, turbulence column; 122, flexible rotor assembly; 1221, friction element; 1222, flexible element; 123, stator electrode assembly; 1231, electrode; 1232, fixing plate; 130, valve assembly; 131, first valve; 132, second valve; 200, main pipe. Detailed Implementation

[0036] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application. In the description of the embodiments of this application, unless otherwise stated, " / " means "or", for example, A / B can mean A or B; "and / or" in the text is merely a description of the relationship between related objects, indicating that there can be three relationships, for example, A and / or B can represent: A alone, A and B at the same time, and B alone. In addition, in the description of the embodiments of this application, "multiple" means two or more.

[0037] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0038] This application provides a pipeline network. Figure 1 This is a schematic diagram of the pipe network provided in an embodiment of this application. Figure 1 As shown, the pipeline network includes a bypass power generation device 100 and a main pipeline 200. The inlet and outlet of the bypass pipe 110 in the bypass power generation device 100 are respectively connected to the main pipeline 200. It is worth noting that the bypass power generation device 100 can be one of the bypass power generation devices 100 described in the following technical solution. The pipeline network can be an underground pipeline network, so as to effectively collect the fluid kinetic energy in the pipeline network through the bypass power generation device 100.

[0039] Please continue to refer to this. Figure 1The bypass power generation device 100 shown includes a bypass pipe 110, a nano-triboelectric power generation unit 120, and a valve assembly 130. The bypass pipe 110 has an inlet and an outlet for connecting to a main pipe 200. The nano-triboelectric power generation unit 120 is placed inside the bypass pipe 110 and is used to generate electricity through friction under the scouring of fluid within the bypass pipe 110. The valve assembly 130 is installed in the bypass pipe 110 and is used to control the opening and closing of the bypass pipe 110. The valve assembly 130 includes a first valve 131 and a second valve 132. The first valve 131 is located between the inlet and the nano-triboelectric power generation unit 120, and the second valve 132 is located between the outlet and the nano-triboelectric power generation unit 120.

[0040] When using the bypass power generation device 100 provided in this application embodiment, the bypass pipe 110 can be connected in parallel to a preset position of the main pipe 200, and the first valve 131 and the second valve 132 in the valve assembly 130 can be opened, allowing the fluid in the main pipe 200 to enter the bypass pipe 110 through the inlet and flow back to the main pipe 200 through the outlet. It should be understood that the bypass power generation device 100 can be installed on the main pipe 200 that is already in use; or, the bypass power generation device 100 can be put into use together with a newly installed main pipe 200. The specific configuration can be determined according to requirements, and will not be elaborated here.

[0041] In this embodiment, when fluid flows through the bypass pipe 110, the nano-triboelectric power generation unit 120 generates electricity through friction under the scouring of the fluid within the bypass pipe 110, thereby converting the kinetic energy of the fluid flow into electrical energy. Compared to electromagnetic induction and piezoelectric effect acquisition devices, the nano-triboelectric power generation unit 120 has a simple structure and can effectively respond to low-velocity fluid scouring to effectively convert kinetic energy. Moreover, the structure of the nano-triboelectric power generation voltage is relatively stable, which can extend its service life and reduce the maintenance frequency.

[0042] It should be noted that this application embodiment provides a bypass power generation device 100 based on a bypass pipe decoupling architecture, which can solve the industry problem that traditional pipeline energy harvesting devices must interrupt fluid transport for maintenance, as well as the problems of high maintenance costs, significant safety risks, and failure under low flow rate conditions caused by interrupting fluid transport. This bypass power generation device 100 can ensure the normal operation of the main pipeline 200, such as ensuring continuous industrial production, thereby reducing the impact on the entire pipeline network and improving safety performance. Specifically, during the maintenance process of the nano-triboelectric power generation unit 120 within the bypass power generation device 100 provided in this application embodiment, it is not necessary to disconnect the main pipeline 200. The connection between the bypass pipe 110 and the main pipeline 200 can be severed by closing the first valve 131 and the second valve 132. After removing the fluid from the portion of the bypass pipe 110 between the first valve 131 and the second valve 132, the operator can perform maintenance on the nano-triboelectric power generation unit 120 within the bypass pipe 110.

[0043] Meanwhile, the bypass power generation device 100 can promote the upgrading of industrial IoT energy supply technology, achieve zero pipeline downtime and maintenance during energy harvesting, thereby improving the sustainability and system reliability of energy collection.

[0044] Accordingly, the bypass power generation device 100 forms a pluggable energy component, which can be maintained as easily as replacing a battery, providing a reliable and continuous energy supply for pipeline networks, and providing maintenance-free energy harvesting infrastructure for the Industrial Internet of Things. This can further promote the advancement of smart city construction and resource management, and contribute important technological support to achieving sustainable development goals.

[0045] Furthermore, when the pipeline network can be an underground pipeline network, the bypass power generation device 100 provided in this application embodiment can overcome the low flow rate energy harvesting bottleneck of the underground pipeline network, activate trillion-level pipeline Internet of Things, achieve energy harvesting without interference and maintenance without interruption, thus disrupting the engineering paradigm, helping to better meet user needs, reduce waste, protect water resources, and improve the sustainability of the water supply system.

[0046] Of course, the bypass power generation device 100 is also separately protected in this application embodiment. The bypass power generation device 100 is not limited to use in underground pipeline networks, but can also be applied to other pipeline networks, which will not be elaborated here.

[0047] In some embodiments, such as Figure 1 As shown, the diameter of the bypass pipe 110 on the inlet side is smaller than the diameter of the bypass pipe 110 on the outlet side.

[0048] The smaller diameter of the inlet pipe can initially guide and accelerate the flow of fluid entering the bypass pipe 110, allowing the fluid to act on the nano-triboelectric generator unit 120 at a higher initial flow velocity. It should be understood that stronger fluid kinetic energy can more effectively drive the nano-triboelectric generator unit 120, thereby enhancing the peak intensity of the electrical signal output by the nano-triboelectric generator unit 120.

[0049] The larger diameter of the outlet can reduce the resistance when the fluid flows out, and prevent the fluid from forming eddies or stagnating in the area where the nano-triboelectric unit 120 is located due to pressure build-up at the end of the bypass pipe 110. This ensures that the fluid flows continuously and smoothly through the nano-triboelectric unit 120, and reduces the possibility of intermittent interruption of the operation of the nano-triboelectric unit 120 due to poor fluid flow.

[0050] In some embodiments, such as Figure 1 As shown, the diameter of the bypass pipe 110 gradually increases from the inlet to the outlet. It should be noted that this "narrow-to-wide" diameter gradient structure can alleviate the pressure change of the fluid in the bypass pipe 110, reduce the impact loss of turbulence on the nano-triboelectric power generation unit 120, and ensure the long-term stable operation of the nano-triboelectric power generation unit 120 and maintain a stable power output.

[0051] In some embodiments, such as Figure 1 As shown, the bypass pipe 110 is an arc-shaped pipe that convexes away from the direction of the main pipe 200.

[0052] It should be noted that the arc-shaped pipeline avoids local eddies and pressure dead zones caused by right angles or broken lines, thereby reducing frictional resistance and energy loss when the fluid flows through the bypass pipe 110, allowing the fluid to pass through the bypass pipe 110 more smoothly. At the same time, the stable arc-shaped flow channel in the arc-shaped pipeline allows the fluid to act on the nano-triboelectric power generation unit 120 with a smooth trajectory, avoiding uneven force or disordered vibration of the nano-triboelectric power generation unit 120 due to flow field turbulence, ensuring the regularity of the contact and separation action of the friction material, and thus maintaining the stability of power output.

[0053] It is worth noting that, in this embodiment, the shape of the bypass pipe can be matched with the pipe diameter setting in the above technical solution, that is, the pipe diameter of the bypass pipe 110 on the liquid inlet side is smaller than the pipe diameter of the bypass pipe 110 on the liquid outlet side; and / or, the pipe diameter of the bypass pipe 110 gradually increases from the liquid inlet to the liquid outlet, so as to optimize the flow pattern of the fluid in the bypass pipe and improve the power generation effect of the nano-triboelectric power generation unit 120.

[0054] Of course, the bypass pipe 110 can also adopt other structural forms, but it should be noted that the shape of the bypass pipe 110 should not affect the power generation effect of the nano-triboelectric power generation unit 120. Figure 2This is another schematic diagram of the pipe network provided in the embodiments of this application, such as... Figure 2 As shown, for example, the bypass pipe 110 can also be a U-shaped pipe, with the U-shaped opening facing the main pipe 200. The U-shaped pipe can extend the residence path and action time of the fluid in the bypass pipe 110, allowing the fluid to fully exchange energy with the nano-triboelectric power generation unit 120, thereby improving the conversion efficiency of mechanical energy to electrical energy.

[0055] In some embodiments, the nano-triboelectric power generation unit 120 is a Karman vortex street nano-triboelectric power generation unit 120.

[0056] It is worth noting that when the Karman vortex street causes the internal structural components of the nano-triboelectric power generation unit 120 to vibrate, the contact friction between two different materials causes electrons to transfer from one to the other, resulting in equal amounts of opposite charges on the material surfaces. When the structural components oscillate and separate the friction materials, a potential difference is formed between the two poles. When the external circuit is closed, the charge flow generates current, achieving the conversion from fluid kinetic energy to electrical energy.

[0057] The driving principle of the Karman vortex street is as follows: when the fluid flows through the blunt body obstacle built into or associated with the nano-triboelectric power generation unit 120, according to the Karman vortex street principle, reverse vortices will alternately fall off on the back side of the blunt body. The vortices are generated and dissipated periodically, which will exert a regularly changing force on the surrounding objects, thereby causing the blunt body or the power generation structure connected to the blunt body to vibrate or oscillate.

[0058] It should be noted that the bypass power generation device 100 provided in this application embodiment is designed with an irregularly shaped bypass pipe 110 to ensure that water can flow through the bypass pipe 110, so that the nano-triboelectric power generation unit 120 arranged in the bypass pipe generates eddy currents through the Karman vortex street principle, and drives the nano-triboelectric power generation unit 120 to perform breathing-like movements through the eddy currents. Through repeated contact between the two electrodes 1231, the energy of the pipe is continuously collected.

[0059] Figure 3 This is a schematic diagram of the structure of the nano-triboelectric power generation unit 120 in the bypass power generation device 100 provided in the embodiments of this application; Figure 4 for Figure 3 Schematic diagram of the structure of the flexible rotor assembly 122; Figure 5 for Figure 3 A schematic diagram of the middle stator electrode assembly 123. (See diagram below.) Figure 3 As shown, in some embodiments, the nano-triboelectric power generation unit 120 includes a turbulence column 121, a flexible rotor assembly 122, and a stator electrode assembly 123, wherein: the turbulence column 121 is fixed in position relative to the bypass pipe 110; that is, the turbulence column 121 serves as a blunt body.

[0060] Please combine Figure 3 refer to Figure 5 The structure shown includes an electrode assembly 123 comprising an electrode 1231 and a fixing plate 1232. The fixing plate 1232 is fixed to the turbulence column 121, and the electrode 1231 is fixed to one side of the fixing plate 1232. Figure 5 As shown, electrode 1231 specifically includes two sub-parts, which are spaced apart and disposed on the same side of fixing plate 1232.

[0061] Please combine Figure 3 refer to Figure 4 The structure shown includes a flexible rotor assembly 122 comprising a friction element 1221 and a flexible element 1222. One end of the flexible element 1222 is fixed to the turbulence column 121, and the friction element 1221 is fixed to the flexible element 1222. The flexible rotor assembly 122 is configured to disrupt the flow state of the fluid as it passes through the turbulence column 121, and to continuously agitate it based on the Karman vortex street principle, causing the friction element 1221 to contact or separate from the electrode 1231. Wherein, as... Figure 4 As shown, the cross-section of the flexible component 1222 is wavy to allow it to float better under the action of fluid, thereby improving the power generation effect of the nano-triboelectric power generation unit 120; the specific form of the friction component 1221 can be a friction layer or a friction film.

[0062] It is worth noting that during the contact or separation process between the friction element 1221 and the electrode 1231, electrons continuously transfer between the two sub-parts of the electrode 1231, ultimately achieving efficient energy collection from the pipeline.

[0063] In some embodiments, the material of the friction element 1221 includes one of polytetrafluoroethylene (PTFE), paper, nylon, or fluorinated ethylene propylene copolymer (FEP); and / or, the material of the flexible element 1222 includes at least one of silicone or hydrogel; and / or, the material of the electrode 1231 includes at least one of copper, aluminum, silver, or gold.

[0064] In one specific embodiment, the friction element 1221 is made of polytetrafluoroethylene; the flexible element 1222 is made of silicone; and the electrode 1231 is made of copper.

[0065] In some embodiments, the bypass power generation device 100 provided in this application further includes a liquid extraction device, wherein the liquid extraction port of the liquid extraction device is selectively connected to the portion of the bypass pipe 110 between the first valve 131 and the second valve 132.

[0066] Specifically, when the bypass pipe 110 or the nano-triboelectric power generation unit 120 requires maintenance, the first valve 131 and the second valve 132 can be closed to form a relatively independent pipeline section, and then the residual fluid in this section can be drained by a pumping device. It should be understood that this operation will not affect the normal operation of the main pipe 200.

[0067] Accordingly, the liquid extraction device can facilitate the discharge of liquid in the bypass pipe 110, thereby providing convenience for subsequent maintenance and improving the safety and flexibility of the pipeline network operation.

[0068] Figure 6 Simulation color diagram of the pipeline network provided in the embodiments of this application; Figure 7 A simulated grayscale image of the pipeline network provided in the embodiments of this application. For example... Figure 6 and Figure 7 As shown, fluid simulation reveals that the bypass pipe 110 diverts the water flow from the main pipe 200, meaning that some fluid can enter the bypass pipe 110 via the main pipe 200. Although the installation of the nano-triboelectric generator unit 120 inside the bypass pipe 110 will have some impact on the flow pattern distribution within the bypass pipe 110, the water flow can still pass through smoothly.

[0069] At the same time, such as Figure 6 and Figure 7 As shown, after the fluid flows through the blunt body (i.e., the turbulence column 121) in the nano-triboelectric power generation unit 120, eddies will be generated on both sides to facilitate the continuous disturbance of the flexible rotor assembly 122 and ensure the power generation effect of the nano-triboelectric power generation unit 120.

[0070] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this application without departing from the spirit and scope of this application. Therefore, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application also intends to include these modifications and variations.

Claims

1. A by-pass power generation device characterized by comprising: include: A bypass pipe having an inlet and an outlet for connecting to a main pipe; A nano-triboelectric power generation unit is placed inside the bypass pipe, and the nano-triboelectric power generation unit is used to generate electricity by friction under the flushing of fluid inside the bypass pipe; A valve assembly is installed on the bypass pipe for controlling the opening / closing of the bypass pipe; the valve assembly includes a first valve and a second valve, the first valve being located between the liquid inlet and the nano-triboelectric unit, and the second valve being located between the liquid outlet and the nano-triboelectric unit.

2. The by-pass power generation device according to claim 1, characterized by The diameter of the bypass pipe on the inlet side is smaller than the diameter of the bypass pipe on the outlet side.

3. The by-pass power generation device according to claim 2, characterized by The diameter of the bypass pipe gradually increases from the inlet to the outlet.

4. The by-pass power plant according to any of claims 1-3, characterized in that The bypass pipe is an arc-shaped pipe that convex away from the direction of the main pipe.

5. The by-pass power plant according to any of claims 1-3, characterized in that The bypass pipe is a U-shaped pipe, with the U-shaped opening facing the main pipe.

6. The by-pass power plant according to any one of claims 1 to 3, characterized in that The nano-triboelectric power generation unit is a Karman vortex street nano-triboelectric power generation unit.

7. The by-pass power generation device according to claim 6, characterized by The nano-triboelectric power generation unit includes a turbulence column, a flexible rotor assembly, and a stator electrode assembly, wherein: The position of the baffle column relative to the bypass pipe is fixed; The stator electrode assembly includes an electrode and a fixing plate, the fixing plate being fixed to the turbulence column, and the electrode being fixed to one side of the fixing plate; The flexible rotor assembly includes a friction element and a flexible element. One end of the flexible element is fixed to the turbulence column, and the friction element is fixed to the flexible element. The flexible rotor assembly is configured to disrupt the flow state of the fluid when it passes through the turbulence column and to continuously turbulent it based on the Karman vortex street principle, so that the friction element contacts or separates from the electrode.

8. The by-pass power generation device according to claim 7, wherein The material of the friction component includes one of polytetrafluoroethylene, paper, nylon, or fluorinated ethylene propylene copolymer; And / or, the material of the flexible element includes at least one of silicone or hydrogel; And / or, the material of the electrode includes at least one of copper, aluminum, silver or gold.

9. The by-pass power plant according to any of claims 1-3, characterized in that The bypass power generation device also includes a liquid pumping device, the liquid pumping port of which is selectively connected to the bypass pipeline between the first valve and the second valve.

10. A plumbing system characterized by, It includes a main pipeline and a bypass power generation device as described in any one of claims 1-9, wherein the inlet and outlet of the bypass pipeline in the bypass power generation device are respectively connected to the main pipeline.

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