CN204820947U - Bicycle electricity generation flower -drum - Google Patents
Bicycle electricity generation flower -drum Download PDFInfo
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- CN204820947U CN204820947U CN201520334248.1U CN201520334248U CN204820947U CN 204820947 U CN204820947 U CN 204820947U CN 201520334248 U CN201520334248 U CN 201520334248U CN 204820947 U CN204820947 U CN 204820947U
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- drum
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- bicycle
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Abstract
The utility model provides a bicycle electricity generation flower -drum, including flower -drum and electricity generation membrane group, electricity generation membrane group is including first triboelectricity membrane and second triboelectricity membrane, first triboelectricity membrane with second triboelectricity membrane laminate respectively in the flower -drum shell inboard and the flower -drum axle center. At the in -process of riding, laminate in the electricity generation membrane collection in the inboard triboelectricity membrane of flower -drum shell and flower -drum axle center because the flower -drum shell rolls and makes electricity generation membrane constantly friction and the energy that produces and convert it into electric energy, through reasonable circuit design, the electric energy that the flower -drum that should generate electricity produced can also can be saved it in power storage device directly for the power supply of mobile intelligent equipment such as cell -phone, flat board, code table.
Description
Technical field
The utility model relates to friction film generation technology, is specifically related to a kind of bicycle-driven generation flower-drum.
Background technology
Mode of operation due to Urban population generally has the motionless feature of sitting, therefore city dweller especially race of office generally lack motion, in addition due to early, especially there is traffic pressure problem bigger than normal in evenign peak, affect city dweller to a great extent and especially to go to work the quality of life of crowd.In addition, become the focus of concern along with the environmental problem caused due to the fossil class energy and pollution thereof in the world, from environment, collecting energy is regarded as the effective way realizing green energy resource and energy sustainable development.
Along with the generally enhancing of health of people consciousness, have concurrently and to improve the health and the green of low-carbon emission reduction advantage is ridden the go off daily or mode of motion that become more and more people.But, become increasingly abundant at mobile device, under people be unable to do without mobile device and electricity consumption of equipment amount is bigger than normal prerequisite, when the long period rides and particularly participates in outdoor activities by bike, mobile device often do not have electricity can affect the mood of people to a great extent.
Bicycle capable of generating power is to the electric energy of charging of mobile devices, can greatly facilitate the experience in ride by the energy storage in cycling process.But existing generation type bicycle is all electromagnetic mode, there is large, the inefficient deficiency of volume, and can resistance of motion be produced in ride.
Utility model content
In view of this, the utility model provides a kind of bicycle-driven generation flower-drum, is intended to realize the energy storage in ride and charging.
The technical solution adopted in the utility model is specially:
A kind of bicycle-driven generation flower-drum, comprise bicycle drive shaft and generating film group, described generating film group comprises the first triboelectricity film and the second triboelectricity film, and described first triboelectricity film and the second triboelectricity film fit in inside described flower-drum shell and described flower-drum axle center respectively.
In above-mentioned bicycle-driven generation flower-drum, described first triboelectricity film is generating film positive pole or negative pole, and described second triboelectricity film is the generating film negative pole corresponding with described first triboelectricity film or positive pole.
In above-mentioned bicycle-driven generation flower-drum, described generating film positive pole comprises metal friction layer, thin polymer film and first conductive electrode of fitting successively, described generating film negative pole comprises poly-mer friction layer, the second conductive electrode and the substrate of fitting successively, and described first conductive electrode and described poly-mer friction layer fit.
In above-mentioned bicycle-driven generation flower-drum, described generating film group is connected with load by voltage conversion circuit.
In above-mentioned bicycle-driven generation flower-drum, described voltage conversion circuit comprises step-down transformer and AC/DC changeover switch, wherein: the mouth of described generating film group is connected with the input end of described step-down transformer, the ac signal for producing described generating film group carries out step-down process; The mouth of described step-down transformer is connected with AC/DC changeover switch, and described AC/DC changeover switch comprises the rectifying circuit, filter circuit and the mu balanced circuit that connect successively, and the ac signal after step-down is converted to direct current (DC) after described AC/DC changeover switch process; The mouth of described AC/DC changeover switch is connected with described load.
In above-mentioned bicycle-driven generation flower-drum, described load is intelligent movable equipment.
In above-mentioned bicycle-driven generation flower-drum, described load is electrical storage device, and described electrical storage device comprises the charge circuit, protective circuit and the energy-storage travelling wave tube that are connected successively, and described charge circuit is for regulating charging current and showing charge condition; Described protective circuit is used for short-circuit protection, overcharges and over; The direct current (DC) of conversion is stored in described energy-storage travelling wave tube successively after described charge circuit, described protective circuit process.
The beneficial effect that the utility model produces is:
Power generation assembly of the present utility model, based on triboelectrification and electrostatic induction principle, can be used for the bicycle drive shaft of automatic generation.Compare to the electrical generator of electromagnetic principle, single surface friction based on triboelectrification and electrostatic induction principle membrane volume that generates electricity is little, there is high potential export and stronger charging ability, and frictional loss can not be increased newly to bicycle accessories, and can not make to ride and produce extra resistance;
Power generation assembly of the present utility model adopts many friction materials of soft quality to be embedded in the flower-drum of each model bicycle at present, and structure is simple, cost is low, is conducive to Quantity production; To outside contact material non-selectivity and without the need to changing the original structure of bicycle and assembling mode, comformability is good.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, more completely the utility model can be understood better.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof, for explaining the utility model, are not formed improper restriction of the present utility model.
Fig. 1 is the mounting structure schematic diagram of a kind of bicycle-driven generation flower-drum of the utility model;
Fig. 2 is the structural representation of the first triboelectricity film of a kind of bicycle-driven generation flower-drum of the utility model;
Fig. 3 is the structural representation of the second triboelectricity film of a kind of bicycle-driven generation flower-drum of the utility model;
Fig. 4 is the circuit diagram of the electrical storage device of a kind of bicycle-driven generation flower-drum of the utility model.
1, flower-drum axle center 2, first triboelectricity film 21, metal friction layer 22, thin polymer film 23, first conductive electrode 3, second triboelectricity film 31, poly-mer friction layer 32, second conductive electrode 33, substrate 4, flower-drum shell.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, triboelectricity film (2,3) fit in ordinary bicycle respectively flower-drum shell 4 inside and flower-drum axle center 1.Both positive and negative polarity that triboelectricity film (2,3) is correspondence, that fit, in the present embodiment, the first triboelectricity film 2 is positive pole, and the second triboelectricity film 3 is negative pole.
The structure of the first triboelectricity film 2, with further reference to Fig. 2, mainly comprises metal friction layer 21, thin polymer film 22 and first conductive electrode 23 of fitting successively.
The structure of the second triboelectricity film 3, with further reference to Fig. 3, mainly comprises poly-mer friction layer 31, second conductive electrode 32 and substrate 33 of fitting successively.
First conductive electrode 23 and poly-mer friction layer 31 fit.
When in the ride of people at bicycle, the rolling of flower-drum shell 4 makes the triboelectricity film (2,3) fitting in inside flower-drum axle center 1 and flower-drum shell 4 keep Frotteurism, and triboelectricity film (2,3) gathers respectively and absorbs fricative energy, and be converted into electric energy, the electric energy of conversion is through voltage conversion circuit step-down and after transferring direct current (DC) to, can be the charging of the power storage element such as cond or lithium cell efficiently, also can directly for such as the intelligent movable equipment such as mobile phone, flat board and code table be powered.
The structure of voltage conversion circuit and electrical storage device is concrete as shown in Figure 4, wherein:
Voltage conversion circuit mainly comprises step-down transformer and AC/DC changeover switch, wherein: the input end of step-down transformer is connected with the mouth of triboelectricity film (2,3), electric energy for producing triboelectricity film (2,3) carries out step-down process, this is because electrical generator adopts triboelectricity film, the voltage of the electric energy therefore produced is usually higher, therefore need step-down transformer and carry out step-down, the electric signal after step-down transformer process is still ac signal; The mouth of step-down transformer is connected with AC/DC changeover switch, and the ac signal after step-down is successively by being converted to direct current (DC) after rectifying circuit, filter circuit and mu balanced circuit process;
Electrical storage device comprises the charge circuit (for regulating charging current and showing charge condition), protective circuit (for short-circuit protection, overcharge, over) and the energy-storage travelling wave tube that are connected successively; step-down also transfers galvanic electric energy to successively by after charge circuit and protective circuit, by electrical power storage in power storage element (as lithium cell).
Below explain embodiment of the present utility model by reference to the accompanying drawings, accompanying drawing is herein used to provide further understanding of the present utility model.Obviously; the foregoing is only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any be to one skilled in the art can expect easily, do not depart from change of the present utility model or replacement in fact, be also all included within protection domain of the present utility model.
Claims (7)
1. a bicycle-driven generation flower-drum, it is characterized in that, comprise flower-drum and generating film group, described generating film group comprises the first triboelectricity film and the second triboelectricity film, and described first triboelectricity film and the second triboelectricity film fit in inside described flower-drum shell and described flower-drum axle center respectively.
2. bicycle-driven generation flower-drum according to claim 1, is characterized in that, described first triboelectricity film is generating film positive pole or negative pole, and described second triboelectricity film is the generating film negative pole corresponding with described first triboelectricity film or positive pole.
3. bicycle-driven generation flower-drum according to claim 2, it is characterized in that, described generating film positive pole comprises metal friction layer, thin polymer film and first conductive electrode of fitting successively, described generating film negative pole comprises poly-mer friction layer, the second conductive electrode and the substrate of fitting successively, and described first conductive electrode and described poly-mer friction layer fit.
4. bicycle-driven generation flower-drum according to claim 1, is characterized in that, the mouth of described generating film group is connected with load by voltage conversion circuit.
5. bicycle-driven generation flower-drum according to claim 4, it is characterized in that, described voltage conversion circuit comprises step-down transformer and AC/DC changeover switch, wherein: the mouth of described generating film group is connected with the input end of described step-down transformer, the ac signal for producing described generating film group carries out step-down process; The mouth of described step-down transformer is connected with AC/DC changeover switch, and described AC/DC changeover switch comprises the rectifying circuit, filter circuit and the mu balanced circuit that connect successively, and the ac signal after step-down is converted to direct current (DC) after described AC/DC changeover switch process; The mouth of described AC/DC changeover switch is connected with described load.
6. bicycle-driven generation flower-drum according to claim 5, is characterized in that, described load is intelligent movable equipment.
7. bicycle-driven generation flower-drum according to claim 5, it is characterized in that, described load is electrical storage device, and described electrical storage device comprises the charge circuit, protective circuit and the energy-storage travelling wave tube that are connected successively, and described charge circuit is for regulating charging current and showing charge condition; Described protective circuit is used for short-circuit protection, overcharges and over; The direct current (DC) of conversion is stored in described energy-storage travelling wave tube successively after described charge circuit, described protective circuit process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334248.1U CN204820947U (en) | 2015-05-22 | 2015-05-22 | Bicycle electricity generation flower -drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334248.1U CN204820947U (en) | 2015-05-22 | 2015-05-22 | Bicycle electricity generation flower -drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204820947U true CN204820947U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520334248.1U Expired - Fee Related CN204820947U (en) | 2015-05-22 | 2015-05-22 | Bicycle electricity generation flower -drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204820947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI646771B (en) * | 2016-04-07 | 2019-01-01 | 國立清華大學 | Triboelectric generator for vehicles |
-
2015
- 2015-05-22 CN CN201520334248.1U patent/CN204820947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI646771B (en) * | 2016-04-07 | 2019-01-01 | 國立清華大學 | Triboelectric generator for vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |