CN109922192A - A kind of self-charging mobile phone shell for mobile phone charging - Google Patents
A kind of self-charging mobile phone shell for mobile phone charging Download PDFInfo
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- CN109922192A CN109922192A CN201910275689.1A CN201910275689A CN109922192A CN 109922192 A CN109922192 A CN 109922192A CN 201910275689 A CN201910275689 A CN 201910275689A CN 109922192 A CN109922192 A CN 109922192A
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- mobile phone
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A kind of self-charging mobile phone shell for mobile phone charging of the present invention includes mobile phone shell ontology, energy collection module, rectification circuit module, energy storage module and energy output interface module；The energy collection module, rectification circuit module, energy storage module and energy output interface module are sequentially connected by wire.The energy collection module of use is based on cantilever beam structure, and the piezoelectric material of selection is d31The piezoelectric patches of mode, when vibrative bending and deforming occurs for cantilever beam, piezoelectric patches will axially generate tension and compression stress, and then produce electricl energy, and can be realized and charge whenever and wherever possible.Each component of the present invention uses modularized design, the connection between each module can be realized by conducting wire, assembling, maintenance, replacement are all very convenient, are suitable for producing in batches.
Description
Technical field
The invention belongs to electronics charging equipment fields, and in particular to a kind of novel self-charging mobile phone for mobile phone charging
Shell.
Background technique
In modern society, mobile phone has become free articles under passenger indispensable in people's daily life.Mobile phone charging technique
Wireless charging technology from the fast charge of initial wired charging finally, then till now, it may be said that for the convenience used,
It is made that huge technological progress, but both commonly used charging modes nevertheless suffer from the limitation of room and time, need
Power supply is connected, therefore place of charging is relatively fixed.Because mobile phone is generally all carried, and walking, the running etc. that people are daily
It will generate and bring vibration, our idea is will to vibrate the energy utilization of this part, for mobile phone charging.Nowadays, it presses
Electric material can convert mechanical energy to electric energy as a kind of new material, and this unique performance is favored by researcher, so
Its development is like a raging fire, and various dynamical piezoelectric materials are manufactured.
Patent publication No. CN102195329A proposes a kind of mobile phone self charger for being not required to any external power supply, leads to
It crosses resonance circuit, interflow circuit, charging circuit and energy possessed by radio wave is converted into electric current, charge for mobile phone.It should
Device has achieved the purpose that charge whenever and wherever possible it may be said that realize the puzzlement for getting rid of charging socket, but utilizes radio wave
Energy is relatively cumbersome, and capacity usage ratio is not high.
Patent publication No. CN201667550U proposes a kind of mobile phone self-charging solar energy equipment, by changing cell phone rear cover
At solar battery sheet, to realize the purpose charged the phone using solar energy.This device fills certainly it may be said that also having reached mobile phone
The purpose of electricity, but limited by weather, site condition larger, effect is just lost at cloudy day or the indoor device, meanwhile, this
Kind mentality of designing can change the original construction of mobile phone, all cause certain adverse effect to appearance, the safety etc. of mobile phone.
Summary of the invention
Technical problems to be solved:
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of self-charging mobile phone shell for mobile phone charging,
The vibrational energy of daily walking, generation of running is converted to using the property of piezoelectric patches the electric energy for being used for mobile phone charging.
The technical scheme is that a kind of self-charging mobile phone shell for mobile phone charging, including mobile phone shell ontology, it is special
Sign is: further including energy collection module, rectification circuit module, energy storage module and energy output interface module；The hand
The backboard of casing ontology is hollow box body structure, and the energy collection module is installed in the backboard of the mobile phone shell ontology,
The rectification circuit module, energy storage module are installed on the outside of the backboard, and the energy output interface module is fixed on institute
Mobile phone shell outer body is stated, for connecting the charging interface of mobile phone；
The energy collection module includes piezoelectric patches, Liang Ji and load block；The Liang Jiwei slab construction, both ends are fixed
In in two opposing sidewalls in the backboard, the load block is fixed on the middle position of Liang Ji, can enhance the beam base
The deformation generated by vibration；Multiple piezoelectric patches are fixed on the upper and lower surface of Liang Ji by conducting resinl, utilize the beam base
Vibration generates voltage；
The energy storage module includes adjuster, the voltage generated for storing the energy collection module；It is described whole
Current circuit module is AC/DC translation circuit, and the alternating voltage for generating piezoelectric patches vibration is converted into DC voltage；
The energy collection module, rectification circuit module, energy storage module and energy output interface module pass sequentially through
Conducting wire connection.
A further technical solution of the present invention is: the piezoelectric patches is the piezoelectric ceramics of rectangular patch, there is d31Mode.
A further technical solution of the present invention is: table in the upper backboard inner surface of the beam base and the backboard, lower backboard
The distance in face is 0.5mm-2mm.
A further technical solution of the present invention is: the energy output interface module is Micro USB interface, USB Type
The Lightning interface of C interface or IOS system mobile phone.
A further technical solution of the present invention is: being equipped with pull ring, the rectification on the outside of the backboard of the mobile phone shell ontology
Circuit module, energy storage module are set to the junction of the pull ring and backboard.
Beneficial effect
The beneficial effects of the present invention are: mobile phone shell of the invention can be by the vibration of people's daily walking and generation of running
Collection of energy uses, and the beam base of collection of energy part will occur bending and deformation under vibrating conditions, because of direction of vibration
It is (direction 7 in such as Fig. 5) alternatively up and down, there are some cycles, so piezoelectric patches can generates the voltage of exchange, exchange letter
Number voltage be passed to rectification circuit, carry out the transformation of ac/dc, the DC voltage after transformation be passed to energy stor-age parts, general
Electric energy stores, we can at any time and place charge to mobile phone by energy output interface in this way.Simultaneously
The mode that multiple piezoelectric patches can be taken series-parallel improves the voltage or electric current of generation.
The electric energy that can be directly used in mobile phone charging is converted by piezoelectric material, compared to existing wired and wireless charging
Mode, which can get rid of the limitation for needing to connect charging socket, really realize and charge whenever and wherever possible, to reduce the every of mobile phone
Day charging times are even up to the effect for not needing again additional charge, bring biggish convenience to daily life；Meanwhile
For urgent need mobile phone of being away from home, but for mobile phone and the people out of power for also not having place to charge, mobile phone can be simply rocked
And achieve the purpose that charging, to solve the matter of great urgency.The present invention is with easy to carry, structure is simple, thickness is thin and pollution-free
The features such as.
Each component of the present invention uses modularized design, and the connection between each module, assembling, dimension can be realized by conducting wire
It repairs, replace all very convenient, be suitable for producing in batches.
Detailed description of the invention
Fig. 1 is the working principle of the invention figure；
Fig. 2 is beam type collection of energy structural schematic diagram；
Fig. 3 is the whole simplified schematic diagram of mobile phone shell of the present invention；
Fig. 4 is the broken away view of mobile phone shell each section of the present invention；
Fig. 5 is collection of energy part A-A cross-sectional view of the present invention；
Fig. 6 is collection of energy part B-B cross-sectional view of the present invention；
Fig. 7 is the schematic diagram of rectifier circuit portion of the present invention；
Fig. 8 is the schematic diagram of energy stor-age parts of the present invention；
Description of symbols: 1. mobile phone shell ontologies, 2. energy collection modules, 3. rectification circuit modules, 4. energy storage moulds
Block, 5. energy output interface modules, 6. load blocks, the direction of vibration of 7. beam bases, 8. piezoelectric patches, 9. conducting resinls, 10. beam bases, 11.
Adjuster, 12. backboards, 13. upper backboards, 14. lower backboards, 15. pull rings.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Basic principle of the invention: basic principle of the invention is that piezoelectric material can convert mechanical energy to electric energy, is used
Energy collection module be based on cantilever beam structure, the piezoelectric material of selection is d31The piezoelectric patches of mode, when cantilever beam vibrates
When bending deformation, piezoelectric patches will axially generate tension and compression stress, and then produce electricl energy.Beam type collection of energy structure such as Fig. 2
It is shown.
Basic structure: as shown in Figures 3 and 4, a kind of self-charging mobile phone shell for mobile phone charging of the present invention includes mobile phone shell
Ontology 1, energy collection module 2, rectification circuit module 3, energy storage module 4, energy output interface module 5 and pull ring 15, hand
The backboard 12 of casing ontology 1 is hollow box body structure, and energy collection module 2 is installed in the backboard 12 of mobile phone shell ontology 1, institute
12 outside of backboard that pull ring 15 is installed on mobile phone shell ontology 1 is stated, rectification circuit module 3, energy storage module 4 are installed on pull ring 15
With the junction of backboard 12；Energy output interface module 5 is fixed on 1 outside of mobile phone shell ontology, for connecting the charging of mobile phone
Mouthful；The working principle of the invention figure is referring to Fig.1.
Each modular assembly structure:
(1) energy collection module 2: the module is the number 2 in Fig. 4, and schematic diagram is as shown in Figure 5 and Figure 6, and Fig. 5 is to cut open
View A-A shows only cut-away section, and be exaggerated to suitable position to clearly show；Fig. 6 is cross-sectional view B-
B, likewise, showing only cut-away section, and be exaggerated to suitable position to clearly show.In Fig. 5, fine line
For the frame of mobile phone shell, the dash area of oblique line filling is section, is filled by the vertical line that two horizontal overstriking solid lines are clipped in the middle
Part represents Liang Ji 10, its effect is to generate vibrative bending and deforming and attachment piezoelectric patches 8；Dotted filling rectangle among Liang Ji
Load block 6 is represented, the effect of load block 6 is to allow beam base 10 to be easier to vibrate, and bigger deformation occurs；It is attached to Liang Ji 10
The overstriking straight line on surface represents piezoelectric patches 8, and the shape that the present embodiment is selected is sheet；The direction of vibration 7 of Liang Ji is perpendicular to beam base
10 upper surface, when walking or running, the behavior that Liang Ji 10 is easiest to occur is exactly the vibration along 7 directions.It is thin real in Fig. 6
Line is the frame of mobile phone shell ontology 1, and the dash area of oblique line filling is section, and vertical line fill part represents Liang Ji 10, black square
Shape represents piezoelectric patches 8.
(2) rectification circuit module: the module is the number 3 in Fig. 4, is AC/DC circuit, schematic diagram is as shown in fig. 7, position
In the coupling part of pull ring 15 and mobile phone shell ontology 1.Main function is the alternating voltage conversion for generating piezoelectric material vibration
For DC voltage, because general mobile phone, which requires direct current, fills energy.
(3) energy storage module: the module is the number 4 in Fig. 4, includes adjuster in circuit shown in schematic diagram 8
11, energy storage module 4 also is located in the coupling part of pull ring 15 and mobile phone shell ontology 1.Main function is the electric energy that will be generated
It stores, is released in the form of direct current after reaching the charging voltage of mobile phone, charged for mobile phone.
(4) energy output interface module: the number 5 in the module such as Fig. 4, main function are the chargings for connecting mobile phone
Mouthful, by the power output of storage to mobile phone.
Specific example:
1 external frame of mobile phone shell ontology: this part primarily serves the effect of protection internal structure and mobile phone, and is supplied to energy
Collection device etc. is measured with space, which can be hollow using the materials such as common silica gel, the backboard 12 of mobile phone shell ontology 1
Box body structure, both ends will stay enough thickness, for the beam base in fixed energies collection module 2, as shown in Figure 5.
Energy collection module: the module is as shown in Figure 5, Figure 6.Piezoelectric patches can choose more common piezoelectric ceramics, the material
There is d31Mode, through adhesive attachment on beam base 10；The selection of beam base 10 is appropriate, rigidity can neither very it is big not yet
Energy very little, to guarantee that religion is easy to produce deformation but is unlikely to deformation very greatly (such as flexible plastic), Liang Ji 10 is fixed on mobile phone shell
Among the backboard 12 of ontology 1, the gap between bottom surface in mobile phone shell can be set as 0.5mm-2mm according to actual needs,
Gap is bigger, and the electricity theoretically generated is more, and forefathers have studied piezoelectric ceramics tire generator[1], test and obtain monolithic piezoelectric pottery
Porcelain oscillator (40mm × 15mm) is under the excitation of the fixed deformation of 15Hz, and crest voltage reaches 5V or more, in addition, length, width, thickness
Voltage value can be had an impact, so passing through series-parallel piezoelectricity a certain number of, different length are generous in design of the invention
Piece 8 can be improved the voltage or electric current of generation, reach the electric energy of mobile phone rated charging voltage (generally 5V)；Among beam base 10
The weight of load block want moderate, copper billet can be used, floor stringer base 10 is deformed, it is ensured that embedded in the middle of beam base 10.
Rectification circuit module and energy storage module can be located among the coupling part of pull ring 15 and mobile phone shell bottom, lead to
It crosses conducting wire to be connected with collection of energy part, the alternating voltage transmitted is converted to direct current by rectification circuit, the direct current after conversion
Electricity is passed among energy accumulating device by conducting wire again, this two-part design will take the higher circuit of efficiency as far as possible, with
Reduce the loss of electric energy.
Energy output interface module: the module is fixed in mobile phone shell, is connected by conducting wire with energy accumulating device, can
The Lightning interface of the Micro USB interface of mainstream, USB Type C interface and IOS system mobile phone is designed to, to meet
Different demands.
Energy collection module 2, energy storage module 3, rectification circuit module 4 and energy output interface module 5 pass sequentially through
The conducting wire of conducting wire connection, each module is embedded in mobile phone shell, can increase the terseness of appearance.
About mobile phone thickness of the shell: existing piezoelectric patches thickness less than 1 millimeter, so mobile phone thickness of the shell can be made into it is relatively thin
Form, without worry mobile phone can be made to become excessively too fat to move.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
[1] design (English) [J] optical precision engineering of Liao Haiyang, Zhong Zhengqing piezoelectric ceramics tire generator, 2009,
17(6):1327-1332.
Claims (5)
1. a kind of self-charging mobile phone shell for mobile phone charging, including mobile phone shell ontology, it is characterised in that: further include collection of energy
Module, rectification circuit module, energy storage module and energy output interface module；The backboard of the mobile phone shell ontology is hollow
Box body structure, the energy collection module are installed in the backboard of the mobile phone shell ontology；The rectification circuit module, energy storage
Storing module is installed on the outside of the backboard；The energy output interface module is fixed on the mobile phone shell outer body, for connecting
The charging interface of catcher machine；
The energy collection module includes piezoelectric patches, Liang Ji and load block；Institute is fixed at the Liang Jiwei slab construction, both ends
It states in two opposing sidewalls in backboard, the load block is fixed on the middle position of Liang Ji, can enhance the beam gene shake
The raw deformation of movable property；Multiple piezoelectric patches are fixed on the upper and lower surface of Liang Ji by conducting resinl, utilize the vibration of the beam base
Generate voltage；
The energy storage module includes adjuster, the voltage generated for storing the energy collection module；The rectified current
Road module is AC/DC translation circuit, and the alternating voltage for generating piezoelectric patches vibration is converted into DC voltage；
The energy collection module, rectification circuit module, energy storage module and energy output interface module pass sequentially through conducting wire
Connection.
2. according to claim 1 for the self-charging mobile phone shell of mobile phone charging, it is characterised in that: the piezoelectric patches is rectangle
The piezoelectric ceramics of sheet has d31Mode.
3. according to claim 1 for the self-charging mobile phone shell of mobile phone charging, it is characterised in that: the beam base and the back
The upper backboard inner surface of plate, the distance of lower backboard inner surface are 0.5mm-2mm.
4. according to claim 1 for the self-charging mobile phone shell of mobile phone charging, it is characterised in that: the energy output interface
Module is the Lightning interface of Micro USB interface, USB Type C interface or IOS system mobile phone.
5. according to claim 1 for the self-charging mobile phone shell of mobile phone charging, it is characterised in that: the mobile phone shell ontology
Pull ring is installed on the outside of backboard, the rectification circuit module, energy storage module are set to the junction of the pull ring and backboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910275689.1A CN109922192A (en) | 2019-04-08 | 2019-04-08 | A kind of self-charging mobile phone shell for mobile phone charging |
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| CN201910275689.1A CN109922192A (en) | 2019-04-08 | 2019-04-08 | A kind of self-charging mobile phone shell for mobile phone charging |
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| CN109922192A true CN109922192A (en) | 2019-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220349759A1 (en) * | 2020-05-11 | 2022-11-03 | Zhejiang University | Self-energy type thermal response monitoring device |
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| CN105323342A (en) * | 2015-12-03 | 2016-02-10 | 绍兴卓亿智能科技有限公司 | Multifunctional hand-operated mobile phone charging shell |
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2019
- 2019-04-08 CN CN201910275689.1A patent/CN109922192A/en active Pending
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| CN102097853A (en) * | 2011-03-10 | 2011-06-15 | 上海大学 | Method for supplying power generated by utilizing piezoelectric material to mobile phone and piezoelectric generation device |
| US20130154439A1 (en) * | 2011-12-16 | 2013-06-20 | Electronics And Telecommunications Research Institute | Energy harvesting devices and methods of fabricating the same |
| CN106558907A (en) * | 2015-09-30 | 2017-04-05 | 中兴通讯股份有限公司 | A kind of terminal charging device and terminal |
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| US20220349759A1 (en) * | 2020-05-11 | 2022-11-03 | Zhejiang University | Self-energy type thermal response monitoring device |
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Application publication date: 20190621 |