CN218981916U - Self-powered PM2.5 purifying and monitoring device based on hybrid generator - Google Patents
Self-powered PM2.5 purifying and monitoring device based on hybrid generator Download PDFInfo
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- CN218981916U CN218981916U CN202223062175.4U CN202223062175U CN218981916U CN 218981916 U CN218981916 U CN 218981916U CN 202223062175 U CN202223062175 U CN 202223062175U CN 218981916 U CN218981916 U CN 218981916U
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Abstract
The utility model discloses a self-powered PM2.5 purifying and monitoring device based on a hybrid generator, which comprises an air ionization component, a PM2.5 monitor and the hybrid generator, wherein the hybrid generator comprises an electromagnetic generator and a friction nano generator, wherein the electromagnetic generator is integrated with the hybrid generator and is used for supplying power to the PM2.5 monitor, and the friction nano generator is used for supplying power to the air ionization component. The utility model can output negative high pressure based on friction power generation technology and electromagnetic power generation technology, ionize air, generate air negative ions, realize PM2.5 purification, output high current, continuously supply power to a PM2.5 monitor, and realize PM2.5 monitoring.
Description
Technical Field
The utility model relates to the field of air purification and monitoring, in particular to a self-powered PM2.5 purification and monitoring device based on a hybrid generator.
Background
PM2.5 (PM is an abbreviation for Particulate Matter) refers to aerosol particles with a kinetic equivalent diameter of 2.5 μm or less in air, also called fine particulate matter; PM2.5 has the characteristics of small particle size and large specific surface area, is easy to enrich harmful substances such as polycyclic aromatic hydrocarbon, polycyclic benzene, viruses and bacteria, and forms serious threat to human health, climate and ecosystem.
The current principle of air purification technology for PM2.5 is mainly divided into two types, namely filtration and electrostatic adsorption. In the filtering technology, air is pumped into the purifier through the exhaust fan, and particulate pollutants can be intercepted by a filter screen in the purifier; the method has high filtering efficiency, but a large amount of dust can be deposited on the surface of the filter screen after long-time use, so that wind resistance and energy consumption are increased, the filter screen needs to be replaced regularly, and the use cost is increased. In the electrostatic adsorption technology, air is ionized through high-voltage corona discharge to generate air anions, and then charged particle pollutants in the air are captured through the anions; the negative ion generator needs an external power supply to supply power, and a boosting module is utilized to obtain high voltage so as to generate air negative ions; although the alternating current can stably supply power, the application space of the device is limited; the battery power supply has portability, but a large number of batteries are used, so that the environment is greatly influenced; in addition, the conversion circuit in the boost module is complex and has potential danger.
The above technical problems need to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a self-powered PM2.5 purifying and monitoring device based on a hybrid generator, which can output negative high pressure, ionize air, generate air anions, realize PM2.5 purification, output high current and continuously supply power to a PM2.5 monitor to realize PM2.5 monitoring based on a friction power generation technology and an electromagnetic power generation technology.
In order to achieve the above object, the present utility model provides a self-powered PM2.5 purifying and monitoring device based on a hybrid generator, comprising:
the air ionization assembly comprises a carbon fiber bundle formed by connecting a plurality of carbon fiber filaments in parallel and is used for ionizing air to generate air anions;
the PM2.5 monitor is used for monitoring the concentration of PM2.5 in the air;
the hybrid generator comprises an electromagnetic generator which is integrated into a whole and is used for supplying power to the PM2.5 monitor and a friction nano generator which is integrated into a whole and is used for supplying power to the air ionization component;
the electromagnetic generator comprises an outer shell, an inner shell, a rotating shaft, a coil and a permanent magnet, wherein the rotating shaft is axially connected to the outer shell in a rotating manner, the inner shell is arranged in the outer shell and fixedly sleeved on the rotating shaft, the coil is fixed to the outer shell, and the permanent magnet is fixed to the inner shell;
the friction nano generator comprises a first friction layer, a second friction layer and collecting electrodes, wherein the first friction layer is arranged on the outer wall of the inner shell along the circumferential direction, the second friction layer and the collecting electrodes are alternately arranged on the inner wall of the outer shell along the circumferential direction at intervals, the first friction layer is contacted with the second friction layer and is provided with gaps with the collecting electrodes, and each collecting electrode is electrically connected with the air ionization assembly after being connected in parallel.
Further, the inner shell is made of quartz.
Further, a rectifier is arranged between the electromagnetic generator and the PM2.5 monitor.
Further, the outer shell and the inner shell are of cylindrical structures, and the outer shell, the inner shell and the rotating shaft are coaxially arranged.
Further, the upper end and the lower end of the outer shell are respectively provided with a rotating bearing matched with the rotating shaft.
Further, one end of the rotating shaft extends out of the outer shell body, and the extending end is connected with a wind power driver which is used for driving the rotating shaft to rotate by wind power.
Further, the coils are fixed on the inner walls of the upper end cover and the lower end cover of the outer shell, and the permanent magnets are fixed on the inner walls of the upper end cover and the lower end cover of the inner shell.
Further, the first friction layer is an FEP film structure.
Further, the second friction layer is of a silver cloth structure.
Further, the collecting electrode is of a copper needle structure.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the self-powered PM2.5 purifying and monitoring device based on the hybrid generator, mechanical energy is collected and converted into electric energy, the characteristic that the friction nano generator has high voltage is utilized, corona discharge is generated through the collecting electrode, direct-current negative high voltage is output, the purpose that an air ionization component can be driven to generate air anions without an external power supply and a complex boosting module is achieved, and the purpose of self-powered PM2.5 purification is achieved;
meanwhile, the PM2.5 monitor is driven by high current output by the electromagnetic generator, so that the purpose of self-power supply monitoring of PM2.5 is realized;
the utility model simplifies the structure of the device while utilizing the output advantages of the friction nano generator and the electromagnetic generator, reduces the manufacturing cost, has the characteristic of self energy supply, and is more portable in practical application.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model. It is obvious that the technical solution of the present utility model at least also aims at the technical problem that the prior art solution is too single, providing a solution that is significantly different from the prior art.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an axial cross-sectional view of the hybrid generator of the present utility model;
FIG. 3 is a top view of the hybrid generator of the present utility model;
FIG. 4 is an axial cross-sectional view of the outer housing of the present utility model;
FIG. 5 is an axial cross-sectional view of the inner housing of the present utility model;
fig. 6 is a component diagram of a friction nano-generator of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples
As shown in fig. 1 to 6: the embodiment provides an air purifying and monitoring device, which is based on a hybrid generator and has PM2.5 as an object, so that the device is a self-powered PM2.5 purifying and monitoring device based on the hybrid generator, and mainly comprises an air ionization component 1, a PM2.5 monitor 2 and a hybrid generator 3.
The air ionization assembly 1 comprises a carbon fiber bundle formed by connecting a plurality of carbon fiber filaments in parallel, and is used for ionizing air to generate air anions; in the carbon fiber bundles, the bottoms of the carbon fiber filaments are fixed in a base together, and the rest parts of the carbon fiber filaments are directly exposed in the air; when the carbon fiber wires obtain high voltage provided by the friction nano generator, air can be ionized, air anions can be generated, the anions can actively strike and capture particle pollutants in the air, the anions are negatively charged by combining with positively charged PM2.5 and other pollutants, tiny particles are agglomerated into large particles under the action of the anions, and then the large particles are settled under the action of gravity, so that the purpose of removing PM2.5 pollutants is achieved.
The PM2.5 monitor 2 is used for monitoring the concentration of PM2.5 in the air; the structure and principle of the PM2.5 monitor 2 are the same as those of the prior art, and the existing mature product is directly adopted.
A hybrid generator 3 comprising an integrated electromagnetic generator for powering the PM2.5 monitor 2 and a tribo-nano-generator for powering the air ionization assembly 1; a rectifier 4 may be further disposed between the electromagnetic generator and the PM2.5 monitor 2 to convert ac power into dc power.
The electromagnetic generator comprises an outer shell 301, an inner shell 302, a rotating shaft 303, a coil 304 and a permanent magnet 305, wherein the rotating shaft 303 is connected to the outer shell 301 in an axial rotating mode, the inner shell 302 is arranged in the outer shell 301 and fixedly sleeved on the rotating shaft 303, the coil 304 is fixed to the outer shell 301, and the permanent magnet 305 is fixed to the inner shell 302.
The principle of electromagnetic power generation is the same as that of the prior art, that is, when the rotating shaft 303 rotates, the inner housing 302 and the permanent magnet 305 fixed to the inner housing 302 also rotate together, so that the magnetic flux of the coil 304 changes, thereby generating alternating current (the coil 304 is connected with a wire as an electrical output end of the electromagnetic power generator).
The inner housing 302 is preferably made of quartz; the outer housing 301 and the inner housing 302 may have a cylindrical structure, and the outer housing 301, the inner housing 302 and the rotating shaft 303 are coaxially disposed; in order to improve the connection stability and rotation flexibility of the rotation shaft 303, the upper and lower ends of the outer housing 301 are provided with rotation bearings 307 matched with the rotation shaft 303; at this time, the coil 304 may be fixed to the inner walls of the upper and lower covers of the outer case 301, and the permanent magnet 305 may be fixed to the inner walls of the upper and lower covers of the inner case 302.
The power of rotation of the rotating shaft 303 comes from mechanical energy; for example, one end of the rotating shaft 303 may extend out of the outer housing 301, and a wind driver 306 is connected to the extending end, where the wind driver 306 is used to rotate the rotating shaft 303 by using wind force; the structure of wind driver 306 may be the same as in the prior art, including a number of circumferentially evenly arranged blades.
The friction nano-generator comprises a first friction layer 308, a second friction layer 309 and a collecting electrode 310, wherein the first friction layer 308 is circumferentially arranged on the outer wall of the inner shell 302, the second friction layer 309 and the collecting electrode 310 are circumferentially alternately arranged on the inner wall of the outer shell 301 at intervals, a gap (the gap is extremely small and can form corona discharge) is formed between the first friction layer 308 and the second friction layer 309 and between the first friction layer 308 and the collecting electrode 310, and each collecting electrode 310 is electrically connected to the air ionization assembly 1 after being connected in parallel.
The principle of friction nano power generation is the same as that of the prior art; the first friction layer 308 and the second friction layer 309 are made of friction materials with different electron affinity characteristics, and contact electrification can occur between the first friction layer 308 and the second friction layer 309.
For example, the first friction layer 308 may be an FEP film structure, FEP being Fluorinated ethylene propylene, i.e., fluorinated ethylene propylene copolymer; the second friction layer 309 may be a silver cloth structure, the second friction layer 309 may be provided with a plurality of silver cloths, the silver cloths are fixed in a specific mounting groove on the inner wall of the outer housing 301 by a bonding manner, each collecting electrode 310 is respectively arranged between adjacent silver cloths, and the silver cloths lead out wires and are grounded; in addition, an elastic buffer member 311 (e.g., sponge) may be disposed between the outer housing 301 and the second friction layer 309 to improve the contact tightness between the first friction layer 308 and the second friction layer 309; the collecting electrode 310 may be a copper needle structure, and a plurality of copper needles are mounted on the same acrylic block and fixed on the side wall of the outer housing 301 through the acrylic block.
At this time, when the rotating shaft 303 and the inner housing 302 rotate along a certain direction, contact electrification occurs between the first friction layer 308 and the second friction layer 309, the first friction layer 308 is negatively charged, the second friction layer 309 is positively charged, friction charges will stay on the surface of the first friction layer 308, when the inner housing 302 continues to rotate, a large amount of charges gradually accumulate on the surface of the first friction layer 308 and approach the collecting electrode 310, a relatively high electrostatic field is generated in the gap between the first friction layer 308 and the collecting electrode 310, when the electric field strength exceeds the critical air breakdown voltage, air in the gap is ionized to form a conductive path, electrons are transferred from the negatively charged first friction layer 308 to the collecting electrode 310, direct current negative high voltage is generated in the process, and the collecting electrode 310 leads the negative high voltage to carbon fiber filaments.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Furthermore, because of the differences in understanding the person skilled in the art, on the one hand, and because of the numerous documents and patents studied by the applicant in making the present utility model, the disclosure is not limited to details and content of all that is set forth in this specification, which is in no way the present utility model does not possess the features of these prior art, but rather the present utility model has the features necessary for the prior art, and the applicant retains the right in the background art to add to the rights of the related prior art.
Claims (10)
1. Self-powered PM2.5 purifying and monitoring device based on hybrid generator, characterized by comprising:
the air ionization assembly comprises a carbon fiber bundle formed by connecting a plurality of carbon fiber filaments in parallel and is used for ionizing air to generate air anions;
the PM2.5 monitor is used for monitoring the concentration of PM2.5 in the air;
the hybrid generator comprises an electromagnetic generator which is integrated into a whole and is used for supplying power to the PM2.5 monitor and a friction nano generator which is integrated into a whole and is used for supplying power to the air ionization component;
the electromagnetic generator comprises an outer shell, an inner shell, a rotating shaft, a coil and a permanent magnet, wherein the rotating shaft is axially connected to the outer shell in a rotating manner, the inner shell is arranged in the outer shell and fixedly sleeved on the rotating shaft, the coil is fixed to the outer shell, and the permanent magnet is fixed to the inner shell;
the friction nano generator comprises a first friction layer, a second friction layer and collecting electrodes, wherein the first friction layer is arranged on the outer wall of the inner shell along the circumferential direction, the second friction layer and the collecting electrodes are alternately arranged on the inner wall of the outer shell along the circumferential direction at intervals, the first friction layer is contacted with the second friction layer and is provided with gaps with the collecting electrodes, and each collecting electrode is electrically connected with the air ionization assembly after being connected in parallel.
2. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
the inner shell is made of quartz.
3. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
and a rectifier is arranged between the electromagnetic generator and the PM2.5 monitor.
4. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
the outer shell and the inner shell are of cylindrical structures, and the outer shell, the inner shell and the rotating shaft are coaxially arranged.
5. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
the upper and lower ends of the outer shell are respectively provided with a rotating bearing matched with the rotating shaft.
6. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
one end of the rotating shaft extends out of the outer shell body, and the extending end of the rotating shaft is connected with a wind power driver which is used for driving the rotating shaft to rotate by wind power.
7. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 1, wherein:
the coil is fixed on the inner walls of the upper end cover and the lower end cover of the outer shell, and the permanent magnet is fixed on the inner walls of the upper end cover and the lower end cover of the inner shell.
8. A self-powered PM2.5 purification and monitoring device based on a hybrid generator according to any one of claims 1 to 7, characterized in that:
the first friction layer is of an FEP film structure.
9. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 8, wherein:
the second friction layer is of a silver cloth structure.
10. The self-powered PM2.5 purification and monitoring device based on a hybrid generator of claim 8, wherein:
the collecting electrode is of a copper needle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062175.4U CN218981916U (en) | 2022-11-18 | 2022-11-18 | Self-powered PM2.5 purifying and monitoring device based on hybrid generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062175.4U CN218981916U (en) | 2022-11-18 | 2022-11-18 | Self-powered PM2.5 purifying and monitoring device based on hybrid generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218981916U true CN218981916U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223062175.4U Active CN218981916U (en) | 2022-11-18 | 2022-11-18 | Self-powered PM2.5 purifying and monitoring device based on hybrid generator |
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| Country | Link |
|---|---|
| CN (1) | CN218981916U (en) |
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- 2022-11-18 CN CN202223062175.4U patent/CN218981916U/en active Active
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