CN113433343A - Triboelectricity-electromagnetism composite flow velocity detection device for environment perception - Google Patents
Triboelectricity-electromagnetism composite flow velocity detection device for environment perception Download PDFInfo
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- CN113433343A CN113433343A CN202110697976.9A CN202110697976A CN113433343A CN 113433343 A CN113433343 A CN 113433343A CN 202110697976 A CN202110697976 A CN 202110697976A CN 113433343 A CN113433343 A CN 113433343A
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 230000008447 perception Effects 0.000 title claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 29
- 238000010248 power generation Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000006698 induction Effects 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 description 7
- -1 acryl Chemical group 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
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- 230000003203 everyday effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a triboelectricity-electromagnetism composite flow velocity detection device facing environment sensing, which comprises a spring-magnet electromagnetic induction module, a friction nano power generation module, an acrylic tube-rotation module and a wireless transmission power management module, wherein one end of an acrylic tube assembly of the acrylic tube-rotation module is fixed on the outer edge of a rotation center block of the rotation module, the other end of the acrylic tube assembly is fixed with a supporting plate of the friction nano power generation module, one end of a spring of the spring-magnet electromagnetic induction module is fixedly connected with the rotation center block of the acrylic tube-rotation module, and the spring-magnet electromagnetic induction module is positioned in an acrylic tube, so that the spring-magnet electromagnetic induction module and the friction nano power generation module are positioned in a closed space of the acrylic tube and the rotation center block. The invention can realize self power supply, realize the rotation speed detection of the driving fluid by depending on the output characteristic of an electric signal, and realize the flow velocity detection of the fluid in an unmanned environment by matching with the low-power consumption Bluetooth module based on the power management module.
Description
Technical Field
The invention aims to solve the problems of a flow velocity monitoring device for fluids such as water flow/wind speed and the like in remote areas, can realize self power supply of the flow velocity monitoring device in the remote areas and wireless transmission of monitoring data, and particularly relates to a triboelectricity-electromagnetic composite flow velocity detection device facing to environment perception.
Background
The requirements of environment monitoring elements such as wind speed, rainfall, water level and the like of an unmanned meteorological station can play an important role in the field of environment monitoring in the future, so that daily summary and dangerous case early warning of meteorological information are needed to avoid occurrence of serious natural disasters. For example, heavy rainfall over a short period of time tends to cause a surge in river flow, which often signifies the sudden onset of a regional natural disaster. Meanwhile, with the rapid development of the 5G internet of things technology, the perception information can be transmitted with low delay, so that intelligent weather prediction and monitoring can be realized through a remote terminal of big data and cloud computing technology. However, the feasibility and cost effectiveness of unmanned weather stations requires consideration, as most existing sensors often require an external power source and associated wiring to ensure their everyday operation. Especially in remote areas such as wide grasslands and mountainous areas and in harsh environments, unexpected difficulties can occur. Therefore, next generation unmanned weather stations should be sustainable and capable of wireless transmission in addition to real-time information collection and monitoring, avoiding the need for additional battery configurations, and be capable of self-powered devices that draw energy from the environment to support their basic operation and thus enable wireless transmission is a possible solution.
Disclosure of Invention
The invention aims to provide a triboelectric-electromagnetic composite flow velocity detection device facing environment sensing, which can realize a self-powered device for acquiring mechanical energy from the environment, converting the mechanical energy into electric energy to be stored so as to support the self-powered device to realize wireless transmission, and can represent the flow velocity of fluid according to the characteristics of electric signal output so as to realize real-time detection of the flow velocity.
In order to achieve the purpose, the invention adopts the technical scheme that:
the wireless transmission power supply management system comprises an acrylic tube-rotating module, a spring-magnet electromagnetic induction module, a friction nano power generation module and a wireless transmission power supply management module, wherein one end of a spring of the spring-magnet electromagnetic induction module is fixedly connected with a triangular prism-shaped rotating center block of the acrylic tube-rotating module, one end of an acrylic tube of the acrylic tube-rotating module is fixed on the outer edge of the triangular prism-shaped rotating center block through a supporting block, and the other end of the acrylic tube-rotating module is fixed with a supporting plate of the friction nano power generation module.
Preferably, the acryl tube-rotation module includes an acryl tube, a triangular prism-shaped rotation center block, an included angle of 120 degrees is formed between three cylindrical surfaces of the triangular prism-shaped rotation center block, one end of each of the three acryl tubes is fixedly connected with an outer edge of the triangular prism-shaped rotation center block, an included angle of 120 degrees is formed between the three acryl tubes on a plane, and when the three acryl tubes are acted by a circumferential tangential force, the whole device rotates around a rotation axis of the triangular prism-shaped rotation center block.
Preferably, the spring-magnet electromagnetic induction module comprises a spring, a cylindrical magnet and an induction coil; the cylindrical magnet is fixedly connected with one end of the spring, and the other end of the spring is in a suspended state; the other end of the spring is fixed on the triangular prism-shaped rotation center block of the acrylic tube-rotation module; the induction coils for electromagnetic induction are uniformly distributed on the outer wall of the acrylic tube, the magnet makes linear reciprocating motion in the acrylic tube under the action of external resultant force (centrifugal force, gravity and spring elasticity), and the induction coils on the outer wall of the acrylic tube cut the magnetic induction coil enveloping coils of the magnet to obtain induction alternating current signals, so that the conversion from mechanical energy to electric energy is realized.
Preferably, the friction nano power generation module comprises a support disc, a positive friction layer, a negative friction layer, a conductive layer and an insulating shell; the negative friction layer and the conductive layer are adhered to each other to form physical contact; the positive friction layer and the negative friction layer are correspondingly arranged on the inner walls of the arched insulating shells, which correspond to each other, the insulating shells are fixed on the surfaces of the supporting discs, the supporting discs are fixed with one ends, far away from the rotating center, of the acrylic tubes of the acrylic tube-rotating module, when a cylindrical magnet of the spring-magnet electromagnetic induction module is under the action of the resultant force formed by gravity, centrifugal force and spring elasticity, the cylindrical magnet makes linear reciprocating motion in the acrylic tubes, extrusion on the insulating shells can be realized when the cylindrical magnet moves towards the direction far away from the rotating shaft, and separation from the insulating shells can be realized when the cylindrical magnet moves towards the direction close to the rotating central axis, so that the contact separation between the positive friction layer and the negative friction layer in the friction nano power generation module can be realized in such a motion mode, and an alternating current pulse signal is generated, thereby realizing the conversion from mechanical energy to electric energy.
Preferably, the wireless transmission power management module, the spring-magnet electromagnetic induction module and the friction nanometer power generation module transmit electric energy generated by the power collection module and finally store the electric energy in the energy storage battery, when the electric quantity reaches a preset threshold value, the single chip microcomputer data processing module works, and after electric signals are processed, wireless transmission of data is performed through the low-power-consumption Bluetooth module.
Compared with the background technology, the invention has the following beneficial effects:
1) the triboelectricity-electromagnetism composite flow velocity detection device facing to environment perception can realize the kinetic energy conversion of fluid including wind energy and water flow in remote areas and realize the real-time detection of the flow velocity of the fluid.
2) The wireless transmission module based on energy collection can realize the transmission of the fluid detection data information of the unmanned environment to a remote terminal.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of an acrylic tube-rotation module of the present invention;
FIG. 3 is a schematic diagram of a spring-magnet electromagnetic induction module of the present invention;
FIG. 4 is a schematic view of a triboelectric nano-power generation module of the present invention;
fig. 5 is a schematic diagram of a wireless transmission power management module according to the present invention.
In the figure: 1. the device comprises a bucky force pipe-rotating module, a spring-magnet electromagnetic induction module, a friction nanometer power generation module, a wireless transmission power management module, a triangular prism-shaped rotating center block, a spring-magnet electromagnetic induction module, a bucky force pipe, a supporting block, a spring-magnet electromagnetic induction module, a cylindrical magnet, a supporting disk, a positive friction layer, a negative friction layer, a conductive layer, an insulating shell, a power collection module, a power storage battery 18, a single chip microcomputer data processing module, a low-power consumption Bluetooth module and a power supply module, wherein the supporting disk is 12, the positive friction layer, the negative friction layer, the conductive layer, 15, the insulating shell, the power collection module, the 17, the energy storage battery 18, the single chip microcomputer data processing module and the low-power consumption Bluetooth module.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, the present invention includes an acrylic tube-rotation module 1, a spring-magnet electromagnetic induction module 2, and a friction nano-power generation module 3, wherein one end of a spring 8 of the spring-magnet electromagnetic induction module 2 is fixedly connected to a triangular prism-shaped rotation center block 5 of the acrylic tube-rotation module 1. One end of an acrylic tube 6 of the acrylic tube-rotation module 1 is fixed on the outer edge of the triangular prism-shaped rotation center block 5 through a supporting block 7, and the other end is fixed with a supporting disk 11 of the friction nano power generation module 3. The acrylic tube-rotation module 1 is used as a structural support of the whole device, in the motion process of the device, mechanical energy is converted into linear reciprocating motion of the cylindrical magnet 10 in the acrylic tube 6 through rotation of the device, the induction coil 9 in the spring-magnet electromagnetic induction module 2 and the friction nanometer power generation module 3 work on the basis of the motion, and finally conversion from the mechanical energy to electric energy is achieved.
As shown in fig. 2, the acrylic tube-rotation module 1 includes a triangular prism-shaped center-of-rotation block 5 and an acrylic tube 6. Three cylindrical surfaces of the triangular prism-shaped rotation center block 5 form included angles of 120 degrees with each other, one end of each acrylic tube 6 is fixedly connected with the outer edge of the triangular prism-shaped rotation center block 5, and the included angles of 120 degrees with each other are formed between the three acrylic tubes 6 on the plane. When the three acrylic tubes 6 are subjected to the action of circumferential tangential force, the whole device can rotate around the rotating shaft of the triangular prism-shaped rotating center block 5.
As shown in fig. 3, the spring-magnet electromagnetic induction module 2 includes a spring 8, a cylindrical magnet 10, and an induction coil 9; the cylindrical magnet 10 is fixedly connected with one end of the spring 8, and the other end of the spring is in a suspended state; the other end of the spring 8 is fixed on the triangular prism-shaped rotation center block 5 of the acrylic tube-rotation module 1; the induction coils 9 for electromagnetic induction are uniformly distributed on the outer wall of the acryl tube 6. The magnet makes a linear reciprocating motion in the acrylic tube 6 under the action of external resultant force (centrifugal force, gravity and spring elasticity), and the induction coil 9 on the outer wall of the acrylic tube 6 cuts the magnetic induction coil enveloping coil of the magnet to obtain an induction alternating current signal, so that the conversion from mechanical energy to electric energy is realized.
As shown in fig. 4, the friction nano-power generation module 3 includes a support disc 11, a positive friction layer 12, a negative friction layer 13, a conductive layer 14, and an insulating housing 15; the negative friction layer 12 and the conductive layer 14 are adhered to each other to form physical contact; the positive friction layer 12 and the negative friction layer 13 are correspondingly placed on the inner walls of the arched insulating shell 15, the insulating shell 15 is fixed on the surface of the support plate, and the support plate (11) is fixed with one end of the acrylic tube 6 of the acrylic tube-rotation module 1, which is far away from the rotation center. When the cylindrical magnet 10 of the spring-magnet electromagnetic induction module 2 is subjected to the resultant force of gravity, centrifugal force and spring force, it makes linear reciprocating motion in the acrylic tube 6. The compression of the insulating housing 15 is achieved when the cylindrical magnet 10 is away from the axis of rotation, and the separation from the insulating housing 15 is achieved when the cylindrical magnet 10 is close to the central axis of rotation. Such a motion mode can realize the contact separation between the positive friction layer 12 and the negative friction layer 13 inside the friction nano-power generation module 3, and generate an alternating current pulse signal, thereby realizing the conversion from mechanical energy to electrical energy.
As shown in fig. 5, the electric energy generated by the wireless transmission power management module 4, the spring-magnet electromagnetic induction module 2 and the friction nano power generation module 3 is transmitted to the power collection module 16 and finally stored in the energy storage battery 17, and when the electric quantity reaches a preset threshold value, the single chip data processing module 18 works, processes the electric signal, and then wirelessly transmits the electric signal through the low power consumption bluetooth module 19.
The present invention relates to a monitoring method of a triboelectric-electromagnetic composite flow velocity detection device for environmental sensing, which is as follows, when it is used as a flow velocity detection device, it needs to be installed on a water flow vehicle/windmill to provide a practical speed detection device, and the rotation axis of the water flow vehicle/windmill is fixedly connected with the rotation axis of the triangular prism rotation center block of the acrylic tube-rotation module. The paddle of the waterwheel/windmill rotates under the action of the driving force of fluid so as to drive the flow velocity detection device to rotate, and the magnet in the spring-magnet electromagnetic induction module makes linear motion in the acrylic tube under the action of the centrifugal force of gravity and direction change and the elastic force of the spring, so that firstly, the cutting of the coil on the magnetic induction line in relative motion is realized, and the conversion from mechanical energy to electric energy is realized; and secondly, the magnet extrudes the friction nano power generation module at the far end of the acrylic tube, so that the friction nano power generation module realizes contact and separation movement, and the conversion from mechanical energy to electric energy is realized. For remote areas, reliable self-powering is a necessary way to achieve wireless transmission. Based on the electric energy collection of the electromagnetic induction module and the friction nanometer power generation module, the output electric energy is collected by the power management module and then used as a power supply for data processing and signal transmission of the single chip microcomputer and the low-power-consumption Bluetooth module, and the real-time monitoring of the fluid in the unmanned environment is realized.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the invention are intended to be covered by the following claims.
Claims (5)
1. The utility model provides a towards environment perception's compound velocity of flow detection device of friction electricity-electromagnetism which characterized in that: the device comprises an acrylic pipe-rotating module (1), a spring-magnet electromagnetic induction module (2), a friction nano power generation module (3) and a wireless transmission power management module (4), wherein one end of a spring (8) of the spring-magnet electromagnetic induction module (2) is fixedly connected with a triangular prism-shaped rotating center block (5) of the acrylic pipe-rotating module (1), one end of an acrylic pipe (6) of the acrylic pipe-rotating module (1) is fixed on the outer edge of the triangular prism-shaped rotating center block (5) through a supporting block (7), and the other end of the acrylic pipe-rotating module is fixed with a supporting disc (11) of the friction nano power generation module (3).
2. The triboelectric-electromagnetic composite flow velocity detection device facing environmental perception according to claim 1, characterized in that: inferior gram force pipe-rotatory module (1), including triangular prism shape center of rotation piece (5), inferior gram force pipe (6), be the contained angle of 120 degrees each other between the three cylinder of triangular prism shape center of rotation piece (5), the one end of three inferior gram force pipe (6) all forms solid antithetical couplet through supporting shoe (7) and the outward flange of triangular prism shape center of rotation piece (5), forms the contained angle of 120 degrees each other on the plane between three inferior gram force pipe (6), receives the effect of circumference tangential force when three inferior gram force pipe (6), whole device can round the rotation axis of triangular prism shape center of rotation piece (5) is rotatory.
3. The triboelectric-electromagnetic composite flow velocity detection device facing environmental perception according to claim 1, characterized in that: the spring-magnet electromagnetic induction module (2) comprises a spring (8), a cylindrical magnet (10) and an induction coil (9); the cylindrical magnet (10) is fixedly connected with one end of the spring (8), and the other end of the spring is in a suspended state; the other end of the spring (8) is fixed on a triangular prism-shaped rotating center block (5) of the acrylic tube-rotating module (1); the induction coils (9) used for electromagnetic induction are uniformly distributed on the outer wall of the acrylic tube (6), the cylindrical magnet (10) makes linear reciprocating motion in the acrylic tube (6) under the action of external force, and the induction coils (9) on the outer wall of the acrylic tube (6) cut the magnetic induction wire enveloping coils of the cylindrical magnet (10) to obtain induction alternating current signals, so that conversion from mechanical energy to electric energy is realized.
4. The triboelectric-electromagnetic composite flow velocity detection device facing environmental perception according to claim 1, characterized in that: the friction nano power generation module (3) comprises a support disc (11), a positive friction layer (12), a negative friction layer (13), a conductive layer (14) and an insulating shell (15); the negative friction layer (13) and the conductive layer (14) are adhered to each other to form physical contact; the positive friction layer (12) and the negative friction layer (13) are correspondingly arranged on the inner walls of the arched insulating shells (15) which correspond to each other, the insulating shells (15) are fixed on the surfaces of the supporting disks, the supporting disks (11) are fixed with one ends, far away from the rotating center, of the acrylic tubes (6) of the acrylic tube-rotating modules (1), when the cylindrical magnets (10) of the spring-magnet electromagnetic induction modules (2) are under the action of gravity, centrifugal force and the resultant force of spring force, the cylindrical magnets (10) do linear reciprocating motion in the acrylic tubes (6), when the cylindrical magnets (10) move far away from the rotating shaft, extrusion on the insulating shells (15) can be realized, and when the cylindrical magnets (10) move close to the rotating center, separation from the insulating shells (15) can be realized, the motion mode can realize the contact separation between the anode friction layer (12) and the cathode friction layer (13) in the friction nano power generation module (3) to generate an alternating current pulse signal, thereby realizing the conversion from mechanical energy to electric energy.
5. The triboelectric-electromagnetic composite flow velocity detection device facing environmental perception according to claim 1, characterized in that: the wireless transmission power management module (4), the spring-magnet electromagnetic induction module (2) and the friction nanometer power generation module (3) generate electric energy which is transmitted to the power collection module (16) and finally stored on the energy storage battery (17), when the electric quantity reaches a preset threshold value, the single chip microcomputer data processing module (18) works, and after electric signals are processed, wireless transmission is carried out through the low-power-consumption Bluetooth module (19).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499044A (en) * | 2022-02-23 | 2022-05-13 | 上海大学 | Wind energy collector |
| CN114754859A (en) * | 2022-03-18 | 2022-07-15 | 上海电力大学 | Self-driven mechanical vibration sensor and mechanical vibration monitoring method |
| CN115541926A (en) * | 2022-12-01 | 2022-12-30 | 中国科学院深海科学与工程研究所 | Self-powered current meter applied to ocean flow field flow velocity measurement |
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