CN109889096A - Photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator - Google Patents

Photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator Download PDF

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Publication number
CN109889096A
CN109889096A CN201910228197.7A CN201910228197A CN109889096A CN 109889096 A CN109889096 A CN 109889096A CN 201910228197 A CN201910228197 A CN 201910228197A CN 109889096 A CN109889096 A CN 109889096A
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China
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piezoelectric
energy
photovoltaic
high frequency
low frequency
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CN201910228197.7A
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Chinese (zh)
Inventor
张希洋
高世桥
金磊
刘海鹏
牛少华
郭胜凯
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Priority to CN201910228197.7A priority Critical patent/CN109889096A/en
Publication of CN109889096A publication Critical patent/CN109889096A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Photovoltaic Devices (AREA)

Abstract

This application discloses a kind of photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulators, it include: magnet, low frequency driving beam and high frequency power generation beam, low frequency driving beam is used for the vibrational energy in efficient absorption low-frequency vibration environment, and vibrational energy is passed to the high frequency power generation beam positioned at low frequency driving beam side by way of collision;Setting optical pressure electric material is for converting vibrations into electric energy on high frequency power generation beam;Magnet is fixed on low frequency driving beam and towards high frequency power generation beam, and magnet is used for the cutting magnetic induction line under the vibration triggering that surrounding enviroment generate and produces electricl energy, and transmits vibrational excitation.The energy accumulator is suitble to illumination and/or vibration environment, improves the transformation efficiency and the scope of application of energy accumulator.

Description

Photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator
Technical field
This application involves a kind of photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulators, belong to new energy and technical field of power generation.
Background technique
Common miniaturized electronic devices power supply is generally lithium battery or lead storage battery, and this kind of chemical cell is in some environments The problem of can not replacing, is restricted its application scenarios, therefore all kinds of energy in environment are stored by reforming unit It is a hot research direction to power for the sensor of low-power consumption.
Existing energy accumulator includes: the piezoelectric type energy accumulator that vibrational energy is converted to electric energy by piezoelectric effect, passes through electromagnetism Vibrational energy is converted to the electromagnetic type energy accumulator of electric energy by principle of induction, is changed vibrational energy by variable capacitance principle and is converted to electric energy Electrostatic energy accumulator, the photovoltaic power generation apparatus of electric energy is converted light energy by photoelectricity transformation principle.
Although currently there is greater advance in terms of energy accumulator obtains environmental energy research, output work is still remained The disadvantages of rate is low, narrow scope of application, it is difficult to the demand powered when meeting the electronic product or long sensor of low-power consumption.Capture energy Device structure is excessive, is unsuitable for the problem of carrying.
Summary of the invention
According to the one aspect of the application, a kind of photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator is provided, the energy accumulator is suitable Light combination is shone and/or vibration environment, improves the transformation efficiency and the scope of application of energy accumulator.
The application designs a kind of packet in view of the above-mentioned problems, based on the advantage and disadvantage and usable condition for investigating all kinds of energy accumulators Novel photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator of energy unit is captureed containing photovoltaic generation unit, piezoelectric energy-capturing unit and electromagnetism. Wherein, photovoltaic generation unit is under light conditions that efficiency is higher, in the case where the darks such as rainy days and closed environment Efficiency is lower;Electromagnetic type energy accumulator unit and piezoelectric type prisoner's energy unit can be applicable in using vibrational energy ubiquitous in environment Range is wider.The application combines the advantage of three kinds of prisoner's energy units, by combined type energy accumulator designed by collision up-conversion structure Relative to general energy accumulator, the efficiency and the scope of application for obtaining energy in the environment greatly improved.Suitable for indoor or wild Outer equal illumination or the power supply of low power-consumption intelligent equipment or sensing node under vibration environment.
The photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator characterized by comprising magnet, low frequency driving beam and high frequency Generate electricity beam, and the low frequency driving beam is used under the low-frequency vibration triggering that surrounding enviroment generate vibrate, and the vibrational excitation is passed Pass the high frequency power generation beam positioned at low frequency driving beam side;
Setting optical pressure electric material is for converting vibrations into electric energy on the high frequency power generation beam;
The magnet is fixed on the low frequency driving beam and towards high frequency power generation beam, and the magnet is used on periphery The vibration that environment generates triggers lower cutting magnetic induction line and produces electricl energy, and transmits vibrational excitation.
Optionally, comprising: one end of shell, the low frequency driving beam is fixed in the shell, and the other end is along described outer Shell is laterally extended, and the magnet is installed on the other end of the low frequency driving beam, and is generated electricity beam interval with the high frequency.
Optionally, one end of the high frequency power generation beam is fixed on the shell, and the other end prolongs along the transverse direction of the shell It stretches.
Optionally, including optical pressure electric material, the optical pressure electric material are set on the lateral surface of the high frequency power generation beam;Institute One side of the shell at least towards the optical pressure electric material is stated to be made of transparent material.
Optionally, including loop coil, the loop coil are fixed in the shell, and with the low frequency driving beam and High frequency power generation beam interval;Vertically the low frequency driving beam and protruding into is contained in the loop coil magnet.
Optionally, including prisoner can control circuit, and the high frequency power generation beam can control circuit with the prisoner and be electrically connected.
Optionally, including prisoner can control circuit, and the loop coil can control circuit with the prisoner and be electrically connected.
Optionally, the prisoner can control on circuit fixation and the enclosure bottom.
Optionally, one end of the low frequency driving beam and high frequency power generation beam is fixed by bolts on the shell.
" low-frequency vibration " refers to that vibration frequency is lower than the vibration of 30Hz in the application.
" high-frequency vibration " refers to that vibration frequency is higher than the vibration of 150Hz in the application.
The beneficial effect that the application can generate includes:
1) photovoltaic provided herein-piezoelectric-electrcombinedc combinedc energy accumulator, compared with conventional batteries, the present invention is disclosed A kind of photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator have existing piezoelectric harvester, photovoltaic energy accumulator and electromagnetism energy accumulator institute There is advantage, firstly, in vibration environment, piezoelectric energy-capturing and electromagnetism prisoner can efficiently convert energy, under outdoor conditions, Prisoner's energy efficiency can be substantially improved in photovoltaic material by solar irradiation, be adapted to complicated occasion.
2) photovoltaic provided herein-piezoelectric-electrcombinedc combinedc energy accumulator is overcoming the external output work of single energy accumulator While the disadvantage of rate deficiency, do not increase volume parameter, is integrated so that being suitable for the devices such as related sensor, in volume parameter External output power is improved under conditions of constant.
3) photovoltaic provided herein-piezoelectric-electrcombinedc combinedc energy accumulator, based on seeking, a kind of structure is simple, energy Photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator that density is high, output power is high, environmental suitability is strong.Conventional energy resource technique can be overcome The problems such as poor compatibility, energy density are low, connection is complicated, maintenance is inconvenient.Can be used for being equipped with daily life vibration environment and Energy supply under the adverse circumstances such as the military sensing node in field, can also be used as the emergency power energy.
4) photovoltaic provided herein-piezoelectric-electrcombinedc combinedc energy accumulator is suitble to indoor or remote locations that machinery shakes Kinetic energy and solar energy are converted into electric energy storage, and to photovoltaic-piezoelectricity-electromagnetism that low power-consumption intelligent equipment or sensing node are powered Combined type energy accumulator.It is high with output power, that practicability is high, the integrated, convenient operation and control that is easy to MEMS, maintenance cost are low etc. is excellent Point.
Detailed description of the invention
Fig. 1 is photovoltaic in a kind of embodiment of the application-piezoelectric-electrcombinedc combinedc energy accumulator main view sectional structure signal Figure;
Fig. 2 is electrostatic-piezoelectric-electrcombinedc combinedc energy accumulator electrical block diagram in a kind of embodiment of the application.
Component and reference signs list:
Component names Appended drawing reference Component names Appended drawing reference
Shell 1 Coil cathode conductor 7
Optical pressure electric material 2 Low frequency beam 8
Loop coil 3 Prisoner can control circuit 9
High frequency matrix beam 4 Light piezoelectric patches positive wire 10
Magnet 5 Light piezoelectric patches cathode conductor 11
Coil electrode conducting wire 6 Bolt 12
Specific embodiment
The application is described in detail below with reference to embodiment, but the application is not limited to these embodiments.
Referring to Fig. 1, photovoltaic provided by the present application-piezoelectric-electrcombinedc combinedc energy accumulator, comprising: prisoner can control circuit 9, outer Shell 1, photovoltaic prisoner can unit, piezoelectric energy-capturing unit and electromagnetism prisoner's energy units.Photovoltaic prisoner can unit, piezoelectric energy-capturing unit and electromagnetism prisoner Energy unit, which is set in shell 1 and can control circuit 9 with prisoner, to be electrically connected.
Piezoelectric energy-capturing unit includes: high frequency matrix beam 4, optical pressure electric material 2.One end of high frequency matrix beam 4 is fixed on described On 1 side wall of shell, the other end transversely and horizontally extends along shell 1.Optical pressure electric material 2 is set on high frequency beam lateral surface.Piezoelectricity prisoner Energy unit includes photovoltaic prisoner can unit.Photovoltaic prisoner energy unit, which absorbs luminous energy performance prisoner by optical pressure electric material 2, to be acted on.At least light 1 part of shell that piezoelectric material 2 faces is made of transparent material.
Electromagnetism prisoner's energy unit includes: low frequency beam 8, magnet 5 and loop coil 3.The shell is fixed in one end of low frequency beam 8 On 1 side wall, the other end transversely and horizontally extends along shell 1.Magnet 5 is set on one end of low frequency beam 8, and towards high frequency matrix beam 4.Loop coil 3 is fixed in shell 1, and magnet 5 protrudes into loop coil 3, and carries out cutting magnetic induction line up and down in loop coil 3 Movement.
By the longitudinal movement of low frequency beam 8, high frequency beam is hit by magnet 5, magnet 5 cuts magnetic while driving high frequency beam Sense line produces electricl energy.Vibration is converted electric energy by optical pressure electric material 2 after high frequency beam is hit.
The course of work of above-mentioned combined type energy accumulator are as follows:
In the natural environment, extraneous vibration can be distributed under low frequency environments more.When external vibration incentive action is in compound prisoner When on the shell 11 of energy device, the single-ended low frequency driving beam being fixed on shell 11 absorbs a large amount of vibrational energy to shake by a relatively large margin It is dynamic, and high frequency power generation beam due to resonance frequency far from driving frequency with extremely low amplitude vibrations.
Low frequency driving beam periodically collides high frequency power generation beam, and vibrational energy is transmitted on high frequency beam, high frequency is then utilized High frequency power generation vibration of beam can be converted to electric energy by the piezoelectric patches on power generation beam, to efficiently collect the vibrational energy in environment. Electric energy caused by piezoelectric unit is drawn out to load by contact conductor under piezoelectric patches top electrode lead and piezoelectric patches or energy storage is former On part.
At the same time, the violent oscillatory motion of low frequency driving beam makes the magnet 5 of one side and the toroid being fixed on shell 11 Circle 33 generates relative motion, and partial vibration can be converted to electric energy using electromagnetic induction principle.Caused by electromagnetism prisoner's energy unit Electric energy is drawn out in load or energy storage original part by coil lead.
For photovoltaic capture can cell operation when, need light piezoelectric patches towards light.Since used material is optical pressure Electric piece, during vibration, piezoelectric and photovoltaic prisoner's energy unit are equivalent to independent prisoner's energy structure, work independently, efficiency It is only related with intensity of illumination.
Referring to fig. 2, it includes rectifier bridge, capacitor C, energy storage resistance R, piezoelectric energy-capturing unit, electromagnetism prisoner that prisoner, which can control circuit 9, The output end of energy unit and electrostatic prisoner's energy unit is connect with rectifier bridge, after being rectified to acquired electric energy, rectifier bridge After connecting with capacitor C, connect with energy storage resistance R.
The acceleration that those skilled in the art can generate according to direction of vibration, vibration, capturees piezoelectric energy-capturing unit, electromagnetism The positive and negative anodes of energy unit and electrostatic prisoner's energy unit, are adaptively adjusted.
Embodiment
Referring to Fig. 1, energy accumulator provided by the present application includes: shell 1, optical pressure electric material 2, loop coil 3, high frequency matrix beam 4, magnet 5, coil electrode conducting wire 6, coil cathode conductor 7, low frequency beam 8, prisoner can control circuit 9, light piezoelectric patches positive wire 10, Light piezoelectric patches cathode conductor 11, bolt 12.
Light piezoelectric patches positive wire 10, light piezoelectric patches cathode conductor 11 are that electricity is generated in a vibration period in the present embodiment The positive and negative electrode of stream.Vibration source be it is of reciprocating vibration, generations electric current is alternating current, and with the change of direction of vibration, electric current positive and negative electrode It changes.
Optical pressure electric material 2 is attached to the upper surface of high frequency matrix beam 4, and the left end of high frequency matrix beam 4 is fixed by bolt 12 On shell 1, shell 1 is process by transparent material, so that sunlight penetrates and is radiated on optical pressure electric material 2.
1 lower left side face of shell is fixed on by bolt 12 in 8 left end of low frequency beam, and 8 right side of low frequency beam is pasted with magnet above 5, loop coil 3 is fixed among high frequency matrix beam 4 and low frequency beam 8, the tangent inner wall for being fixed on shell 1 in three faces, upper and lower with There are gaps for high frequency matrix beam 4 and low frequency beam 8, so that magnet 5 changes the magnetic flux of loop coil 3 during up-down vibration And generate electric current.
Fixed prisoner can control circuit 9 on the bottom surface of shell 1, and coil electrode conducting wire 6 and coil cathode conductor 7 will be annular The electric current generated in coil 3, which introduces prisoner, can control circuit 9, light piezoelectric patches positive wire 10 and light piezoelectric patches cathode conductor 11 for light The electric current that volt prisoner energy unit and piezoelectric energy-capturing unit generate, which introduces prisoner, can control circuit 9, can control circuit by prisoner, adjusts and obtained Energy is used for sensor or sensing node, and wherein optical pressure electric material 2 and high frequency matrix beam 4 reach and mention into high frequency power generation beam Rise the effect of the frequency of vibration processes.
Photovoltaic prisoner can unit include shell 1, optical pressure electric material 2, prisoner can control circuit 9, light piezoelectric patches positive wire 10, Light piezoelectric patches cathode conductor 11.
Piezoelectric energy-capturing unit include shell 1, optical pressure electric material 2, high frequency beam 4, magnet 5, low frequency beam 8, prisoner can control electricity Road 9, light piezoelectric patches positive wire 10, light piezoelectric patches cathode conductor 11, bolt 12.
Electromagnetism prisoner can unit include shell 1, loop coil 3, magnet 5, coil electrode conducting wire 6, coil cathode conductor 7, Low frequency beam 8, prisoner can control circuit 9.
Piezoelectric energy-capturing unit, electromagnetism prisoner can units, photovoltaic prisoner's energy units shared shell 1, piezoelectric energy-capturing unit and photovoltaic prisoner It can units shared optical pressure electric material 2.
Prisoner is arranged on 1 lower surface of shell can control circuit, and electromagnetism is captureed can unit, photovoltaic prisoner energy unit and piezoelectric energy-capturing list The electric energy that member generates in vibration processes is transmitted and is stored.
The energy accumulator is under outdoor conditions, and effect is optimal when placing upwards, i.e., when direction of vibration is upper and lower, and light piezoresistive material When material 2 can be irradiated by sunlight, externally output power is maximum for this piezoelectricity-electrostatic-Electromagnetic heating formula prisoner energy.
The above is only several embodiments of the application, not does any type of limitation to the application, although this Shen Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to Case study on implementation is imitated, is belonged in technical proposal scope.

Claims (9)

1. a kind of photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator characterized by comprising magnet, low frequency driving beam and height take place frequently Electric beam, the low frequency driving beam is used under the low-frequency vibration triggering that surrounding enviroment generate vibrate, and the vibrational excitation is transmitted To the high frequency power generation beam for being located at low frequency driving beam side;
Setting optical pressure electric material is for converting vibrations into electric energy on the high frequency power generation beam;
The magnet is fixed on the low frequency driving beam and towards high frequency power generation beam, and the magnet is used in surrounding enviroment The vibration of generation triggers lower cutting magnetic induction line and produces electricl energy, and transmits vibrational excitation.
2. photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator according to claim 1 characterized by comprising shell, the low frequency drive One end of dynamic beam is fixed in the shell, and the other end is laterally extended along the shell, and the magnet is installed on the low frequency The other end of driving beam, and with the high frequency generate electricity beam interval.
3. according to claim 2 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that one end of the high frequency power generation beam It is fixed on the shell, the other end is laterally extended along the shell.
4. according to claim 2 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that described including optical pressure electric material Optical pressure electric material is set on the lateral surface of the high frequency power generation beam;One side of the shell at least towards the optical pressure electric material It is made of transparent material.
5. according to claim 2 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that including loop coil, the ring Shape coil is fixed in the shell, and is generated electricity beam interval with the low frequency driving beam and the high frequency;The vertical institute of the magnet It states low frequency driving beam and protrudes into and be contained in the loop coil.
6. photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator according to claim 1, which is characterized in that can control circuit including prisoner, institute State high frequency power generation beam can control circuit and is electrically connected with described capture.
7. according to claim 5 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that can control circuit including prisoner, institute State loop coil can control circuit and is electrically connected with the prisoner.
8. according to claim 7 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that the prisoner can control circuit and fix On the enclosure bottom.
9. according to claim 2 photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator, which is characterized in that the low frequency driving beam and described One end of high frequency power generation beam is fixed by bolts on the shell.
CN201910228197.7A 2019-03-25 2019-03-25 Photovoltaic-piezoelectric-electrcombinedc combinedc energy accumulator Pending CN109889096A (en)

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Cited By (7)

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CN110289786A (en) * 2019-06-28 2019-09-27 北京理工大学 Multi-mode composite formula up-conversion oscillatory type environmental energy collector
CN111181473A (en) * 2020-01-07 2020-05-19 中北大学 Double-sided sandwich type photoelectric piezoelectric composite flexible energy harvester and application thereof
CN112234863A (en) * 2020-10-04 2021-01-15 长春工业大学 Piezoelectric-electromagnetic combined type power generation device with rotary excitation effect
CN112653223A (en) * 2020-12-23 2021-04-13 中国电子科技集团公司第十八研究所 Combined type energy harvester
CN113452232A (en) * 2021-06-23 2021-09-28 西安铁路信号有限责任公司 Trackside energy harvesting power generation method and energy storage system
CN114601220A (en) * 2022-04-27 2022-06-10 亿信医疗器械股份有限公司 Medical protective clothing with temperature control function
CN116599314A (en) * 2023-05-17 2023-08-15 哈尔滨工业大学 Tunable two-dimensional vibration energy harvesting device

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CN107147330A (en) * 2017-06-21 2017-09-08 北京机械设备研究所 A kind of non-linear piezoelectricity electromagnetism combined wide-band energy accumulator
CN108809208A (en) * 2018-06-22 2018-11-13 中国电子科技集团公司第四十八研究所 A kind of road surface energy collecting device
CN109194195A (en) * 2018-11-27 2019-01-11 重庆大学 A kind of piezoelectricity photoelectric coupling power generator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104836478A (en) * 2015-05-19 2015-08-12 北京理工大学 Piezoelectric-electromagnetic composite low-frequency broadband energy harvester
CN107147330A (en) * 2017-06-21 2017-09-08 北京机械设备研究所 A kind of non-linear piezoelectricity electromagnetism combined wide-band energy accumulator
CN108809208A (en) * 2018-06-22 2018-11-13 中国电子科技集团公司第四十八研究所 A kind of road surface energy collecting device
CN109194195A (en) * 2018-11-27 2019-01-11 重庆大学 A kind of piezoelectricity photoelectric coupling power generator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110289786A (en) * 2019-06-28 2019-09-27 北京理工大学 Multi-mode composite formula up-conversion oscillatory type environmental energy collector
CN111181473A (en) * 2020-01-07 2020-05-19 中北大学 Double-sided sandwich type photoelectric piezoelectric composite flexible energy harvester and application thereof
CN111181473B (en) * 2020-01-07 2022-11-25 中北大学 Double-sided sandwich type photoelectric piezoelectric composite flexible energy harvester and application thereof
CN112234863A (en) * 2020-10-04 2021-01-15 长春工业大学 Piezoelectric-electromagnetic combined type power generation device with rotary excitation effect
CN112653223A (en) * 2020-12-23 2021-04-13 中国电子科技集团公司第十八研究所 Combined type energy harvester
CN113452232A (en) * 2021-06-23 2021-09-28 西安铁路信号有限责任公司 Trackside energy harvesting power generation method and energy storage system
CN114601220A (en) * 2022-04-27 2022-06-10 亿信医疗器械股份有限公司 Medical protective clothing with temperature control function
CN114601220B (en) * 2022-04-27 2024-02-06 亿信医疗器械股份有限公司 Medical protective clothing with temperature control function
CN116599314A (en) * 2023-05-17 2023-08-15 哈尔滨工业大学 Tunable two-dimensional vibration energy harvesting device
CN116599314B (en) * 2023-05-17 2024-06-11 哈尔滨工业大学 Tunable two-dimensional vibration energy harvesting device

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Application publication date: 20190614