CN212086086U - Front impact type flexible friction power generation and energy storage device - Google Patents
Front impact type flexible friction power generation and energy storage device Download PDFInfo
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- CN212086086U CN212086086U CN202020211115.6U CN202020211115U CN212086086U CN 212086086 U CN212086086 U CN 212086086U CN 202020211115 U CN202020211115 U CN 202020211115U CN 212086086 U CN212086086 U CN 212086086U
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Abstract
The utility model discloses a front impact type flexible friction power generation energy storage device, which comprises a power generation module and an energy storage module, wherein the power generation module comprises a friction power generation layer, a lower aluminum foil which is closely and conductively connected with the ground of the friction power generation layer, and an upper aluminum foil which is arranged on the friction power generation layer, insulating foam glue layers are arranged between the upper aluminum foil and the friction power generation layer alternately, and an insulating rebound thin plate is arranged on the upper surface of the upper aluminum foil; the input end of the energy storage module is respectively connected with the upper aluminum foil and the lower aluminum foil of the power generation module. The utility model provides a flexible friction power generation facility has characteristics such as environmental protection, easy production, with low costs, can realize for small electron device power supply by the high efficiency, has very big application prospect. The electric energy sensor is applied to buildings to collect vibration energy and friction energy for detecting abnormal temperature phenomena such as fire and the like, and can be combined with wearing equipment of people to supply power to electronic skin and a pulse sensor and eliminate static electricity generated by friction between a body and clothes.
Description
Technical Field
The utility model relates to a flexible friction electricity generation energy memory of positive impacted style.
Background
The rapid development of science and technology, there are many microsensors help people to collect information in the intelligent equipment of life, improve the life, and these equipment have small, the low characteristics of energy consumption, but most still need power supply work, and relevant power supply and battery module bring very big trouble and cost-push to the maintenance of equipment. If can collect the little vibrations energy and the friction energy of everywhere in the life and supply power for miniature electronic equipment, will very big promotion wearing equipment and the application of microsensor in addition, and then make things convenient for our life.
At present, many scientific researches show that a nano generator made of special nano materials can convert micro vibration energy into electric energy. The triboelectric nano-generator (TENG) was first invented by wang zhong and its team in 2012, with the purpose of converting minute mechanical energy into electrical energy by means of the coupling of triboelectric and electrostatic induction effects. However, the design and production cost of the nano generator related to the nano material is high, the nano friction generator still stays at the stage of laboratory development and design, large-scale popularization is not achieved, and in addition, the energy collection efficiency is limited, so that the prepared nano generator is large in size and insufficient in flexibility.
Disclosure of Invention
The purpose of the invention is as follows: to the problem and not enough of the above-mentioned current existence, the utility model provides a positive impacted style flexible friction electricity generation energy memory.
The technical scheme is as follows: in order to achieve the purpose, the utility model adopts the following technical scheme: a front impact type flexible friction power generation and energy storage device comprises a power generation module and an energy storage module, wherein the power generation module comprises a friction power generation layer, a lower aluminum foil in close conductive connection with the ground of the friction power generation layer, and an upper aluminum foil arranged on the friction power generation layer, insulating foam adhesive layers are alternately arranged between the upper aluminum foil and the friction power generation layer, and an insulating rebound thin plate is further arranged on the upper surface of the upper aluminum foil; the input end of the energy storage module is respectively connected with the upper aluminum foil and the lower aluminum foil of the power generation module.
Preferably, the friction power generation layer is made of polytetrafluoroethylene, polyvinyl chloride, polyethylene, acrylic plastic, rubber, paper or nylon.
Preferably, polytetrafluoroethylene is used as the material of the friction power generation layer.
Preferably, the material of the insulating elastic sheet is hard plastic or paperboard.
Preferably, the insulating foam glue layer is arranged around the upper aluminum foil and the lower aluminum foil.
Preferably, the energy storage module comprises an LTC3588-1 chip and energy storage capacitors connected in series, upper and lower aluminum foils of the power generation module are respectively electrically connected with PZ1 and PZ2 interfaces of the LTC3588-1 chip, and two ends of each energy storage capacitor are connected with V of the LTC3588-1 chipinAnd Vin2Interface connection, VoutAs a regulated output.
Has the advantages that: compared with the prior art, the utility model provides a flexible friction power generation facility has characteristics such as environmental protection, easy production, with low costs, can realize for small electron device power supply by the high efficiency, has very big application prospect. The device is applied to buildings to collect vibration energy and friction energy, and then supplies power to the temperature sensor to detect abnormal temperature phenomena such as fire disasters. Meanwhile, the device can be combined with wearing equipment of people to supply power to electronic skin and a pulse sensor, and static electricity generated by friction between a body and clothes can be eliminated.
Drawings
Fig. 1 is a schematic structural diagram of the flexible friction power generation and energy storage device of the present invention;
fig. 2 is a schematic diagram of the energy storage control module according to the present invention;
fig. 3 is a voltage waveform diagram of the output voltage of the flexible friction power generation energy storage device in the embodiment of the present invention.
The power generation module comprises a power generation module 10, a friction power generation layer 11, a lower aluminum foil 12, an upper aluminum foil 13, an insulating foam glue layer 14 and an insulating rebound thin plate 15.
Detailed Description
The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.
The utility model discloses a flexible friction power generation energy memory's principle is "friction electrification": when the friction generator is flapped, electric charges are generated by friction between the friction materials, induced electric charges can be generated on the upper aluminum foil and the lower aluminum foil, the amount of the induced electric charges depends on the distance between the aluminum foils and the friction materials, the distance between the lower aluminum foil and the friction materials is almost kept unchanged, and the distance between the upper aluminum foil and the friction materials is continuously changed during the flapping, so that continuous voltage change is generated.
Selection of friction material: by utilizing the calculation software Gaussian09, the calculation level of the molecular system structure optimization is HF/3-21g, the calculation level of the energy single-point calculation of different electron transfer states is HF/6-31g, the system is optimized by a quantum chemistry HartreeFock self-consistent field iteration method to obtain a balance structure with the lowest energy, and then the energies of the electron transfer states of different materials are respectively calculated. The best friction material is selected by detecting the maximum surface contact potential and the maximum charge: the surface of the test material was rubbed with fur for 20 seconds in an environment of 48% RH and 24 c to charge the surface as uniformly as possible, and the surface potential and the amount of electric charge were measured, and the average was taken 10 times (as shown in tables 1 and 2).
Table 1: comparing maximum surface potentials of different insulating materials after triboelectrification
Table 2: comparing the maximum amount of surface charge after triboelectrification of different insulating materials
From the test results, it can be seen that: the maximum charge quantity of the surface of the polytetrafluoroethylene after friction is the largest, the potential is the lowest, and the electronic capability is the strongest. Therefore, the utility model discloses preferred polytetrafluoroethylene is as flexible friction power generation material.
The utility model discloses a flexible friction electricity generation energy memory mainly includes power generation module and energy storage module, power generation module include friction electricity generation layer, with friction electricity generation layer ground closely electrically conductive connectionLower aluminium foil to and establish the last aluminium foil on friction electricity generation layer, go up and still be equipped with insulating foam glue film between aluminium foil and the friction electricity generation layer, this insulating foam glue film can keep not contacting each other between aluminium foil and the friction electricity generation layer when natural state, can be favorable to going up aluminium foil and friction electricity generation layer separation when the small action of vibrations or friction takes place simultaneously and carry out next time frictional contact and improve the generating efficiency. In addition, an insulating resilience thin plate is further arranged on the upper surface of the upper aluminum foil, and the insulating resilience thin plate is made of paperboard or plastic thin plate, so that the resilience resetting of the upper aluminum foil is facilitated while the insulating protection is achieved. In addition, the utility model discloses energy storage module includes LTC3588-1 chip and the energy storage electric capacity of establishing ties, and the upper and lower aluminium foil of electricity generation module is connected with PZ1 and PZ2 interface electricity of LTC3588-1 chip respectively, the both ends of energy storage electric capacity and the V of LTC3588-1 chipinAnd Vin2Interface connection, VoutAs a regulated output.
In order to obtain the change rule of the output voltage of the device of the utility model, we used an oscilloscope to test the voltage oscillogram when the friction material is flapped at the frequency of 4Hz, and the test device chart and the output voltage oscillogram are shown in figure 3. As can be seen from the waveform diagram: the slapping of the friction material generates alternating current, the effective output voltage of 25cm multiplied by 35cm is 0.3-0.5V, and the energy storage control module provides 2-4V of stable voltage to supply power for the electronic device. The utility model provides a flexible friction power generation facility has characteristics such as environmental protection, easy production, with low costs, can realize for small electron device power supply by the high efficiency, has very big application prospect. The device is applied to buildings to collect vibration energy and friction energy, and then supplies power to the temperature sensor to detect abnormal temperature phenomena such as fire disasters. Meanwhile, the device can be combined with wearing equipment of people to supply power to electronic skin and a pulse sensor, and static electricity generated by friction between a body and clothes can be eliminated.
Claims (6)
1. The utility model provides a flexible friction electricity generation energy memory of frontal impact formula which characterized in that: the power generation module (10) comprises a friction power generation layer (11), a lower aluminum foil (12) tightly connected with the friction power generation layer (11) in a conductive manner, and an upper aluminum foil (13) arranged on the friction power generation layer (11), wherein an insulating foam adhesive layer (14) is arranged between the upper aluminum foil (13) and the friction power generation layer (11) at intervals, and an insulating rebound thin plate (15) is arranged on the upper surface of the upper aluminum foil (13); the input end of the energy storage module is respectively connected with the upper and lower aluminum foils (12,13) of the power generation module (10).
2. The front impact type flexible friction power generation and energy storage device according to claim 1, wherein: the friction power generation layer (11) is made of polytetrafluoroethylene, polyvinyl chloride, polyethylene, acrylic plastic, rubber, paper or nylon.
3. The front impact type flexible friction power generation and energy storage device according to claim 2, wherein: the friction power generation layer (11) is made of polytetrafluoroethylene.
4. The front impact type flexible friction power generation and energy storage device according to claim 1, wherein: the insulating resilience sheet (15) is made of hard plastic or paperboard.
5. The front impact type flexible friction power generation and energy storage device according to claim 1, wherein: the insulating foam glue layer is arranged around the upper aluminum foil (12) and the lower aluminum foil (12).
6. The front impact type flexible friction power generation and energy storage device according to claim 1, wherein: the energy storage module comprises an LTC3588-1 chip and energy storage capacitors connected in series, an upper aluminum foil (12) and a lower aluminum foil (12) of the power generation module (10) are respectively electrically connected with PZ1 and PZ2 interfaces of the LTC3588-1 chip, and two ends of each energy storage capacitor are connected with V of the LTC3588-1 chipinAnd Vin2Interface connection, VoutAs a regulated output.
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| CN202020211115.6U CN212086086U (en) | 2020-02-26 | 2020-02-26 | Front impact type flexible friction power generation and energy storage device |
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| CN202020211115.6U CN212086086U (en) | 2020-02-26 | 2020-02-26 | Front impact type flexible friction power generation and energy storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894566A (en) * | 2021-12-09 | 2022-01-07 | 西安卓越智动科技有限公司 | Numerical control machine tool body structure for electronic product machining |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894566A (en) * | 2021-12-09 | 2022-01-07 | 西安卓越智动科技有限公司 | Numerical control machine tool body structure for electronic product machining |
| CN113894566B (en) * | 2021-12-09 | 2022-03-11 | 西安卓越智动科技有限公司 | Numerical control machine tool body structure for electronic product machining |
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