CN204304533U - A kind of universal charging device based on magnetic fluid movement power generation - Google Patents
A kind of universal charging device based on magnetic fluid movement power generation Download PDFInfo
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- CN204304533U CN204304533U CN201420847415.8U CN201420847415U CN204304533U CN 204304533 U CN204304533 U CN 204304533U CN 201420847415 U CN201420847415 U CN 201420847415U CN 204304533 U CN204304533 U CN 204304533U
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- energy
- magnetic fluid
- power generation
- charging device
- voltage stabilizing
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Abstract
The utility model proposes a kind of universal charging device based on magnetic fluid movement power generation, comprise: TRT, it comprises one can the cavity of airtight magnetic fluid, cavity tow sides fix N pole and the S pole of ultra-thin magnet respectively, be wound around some circle wire coils outward at cavity and magnet, its two ends are fixed by terminal; Buffering change-over circuit, it is connected to outside described TRT, comprises current rectifying and wave filtering circuit, energy-storage travelling wave tube and voltage stabilizing chip; Charging management chip, for the Charge Management of lithium battery; The electric energy that described TRT produces, carries out AC/DC conversion and ripple filtering through current rectifying and wave filtering circuit, then energy transient state is stored in energy-storage travelling wave tube, then is input in voltage stabilizing chip, and voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs.The utility model realizes the conversion of motion energy to electric energy by the introducing of magnetohydrodynamic generator, solves the passive emergency service problem of the equipment such as mobile phone.
Description
Technical field
The utility model relates to field of power supplies, refers to a kind of universal charging device based on magnetic fluid movement power generation especially.
Background technology
Along with the develop rapidly of information technology and hardware technology, smart mobile phone progressively replace computer become people life in amusement and municipal office center, the performance of a mobile phone has exceeded early stage computer disposal ability, the CPU of 1G tetra-core, the internal memory of 1 ~ 2GB, 16 ~ 128G FLASH coils admittedly, the broadband access network of 4G/WiFi, powerful operating system and abundant application program, everything office that could realize on computers before allowing, see a film, play games, the functions such as chat, nowadays also become extremely usual on mobile phone, the epoch of mobile Internet arrive, the new frame of intelligent terminal and cloud service changes people's traditional pattern of life gradually.
The application function of mobile phone gets more and more, screen is also increasing, more and more gorgeous, the speed that CPU and internal memory run is also more and more faster, the uninterrupted unlatching of the data networks such as WiFi is also accustomed to, also have the use of GPS navigation, each sensor also essential, these power consumption that system is needed are also increasing, although the capacity of battery is also followed by double, but people still feel awkward, the place of charging all will be looked about every day with loaded down with trivial details charger, or with the charger baby of heaviness, be that inadequate electricity is on tenterhooks at any time.
The problem of active charging is the source needing to find charging, or socket, or portable power source, socket is not that each place has, the capacity of portable power source is also used up greatly and is forgotten when filling, this is its fatal shortcoming, and when needing most electricity, mobile phone, portable power source but do not have electricity usually.Based on this, find a kind of passive, the mode of emergent charging can just become a thing highly significant whenever and wherever possible, preferably can provide a kind of efficient as far as possible, can charge and the mode of low cost by the daily habits and customs of people by nature, this is by the life of greatly convenient people.
Utility model content
The utility model proposes a kind of universal charging device based on magnetic fluid movement power generation, the conversion of motion energy to electric energy is realized by the introducing of magnetohydrodynamic generator, solve the passive powerup issue of the equipment such as mobile phone, for people use electronic equipment to provide emergent and careful passive power supply settling mode outside.
The technical solution of the utility model is achieved in that
Based on a universal charging device for magnetic fluid movement power generation, its structure comprises:
TRT, it comprises one can the cavity of airtight magnetic fluid, and described cavity tow sides fix N pole and the S pole of ultra-thin magnet respectively, be wound around some circle wire coils outward, and fixed by terminal at the two ends of wire coil at cavity and magnet; Thus achieve the positive and negative polarities of power supply;
Buffering change-over circuit, it is connected to outside described TRT, comprises current rectifying and wave filtering circuit, energy-storage travelling wave tube and voltage stabilizing chip;
Charging management chip, for the Charge Management of lithium battery, realizes classification charging, overvoltage protection, overheat protector, short-circuit protection, problem warning.
The electric energy that described TRT produces, AC/DC conversion and ripple filtering is carried out through described current rectifying and wave filtering circuit, then energy transient state be stored in energy-storage travelling wave tube, then be input in the voltage stabilizing chip of next stage, voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs.
This buffering change-over circuit is used for the voltage filter that exported by hydromagnetic generating device and stable, provides the 5V voltage of standard to export, avoids shake ripple voltage and surge voltage to the destruction of charging circuit and electromagnetism.
In technique scheme, the cavity of the airtight magnetic fluid of described TRT preferably adopts the cavity of two ends point, flattened medial shape.
In technique scheme, described wire coil preferably adopts the copper conductor that internal resistance is less, on-state rate is high.The cross-sectional area of copper is larger, and its impedance is less, larger by electric current, can provide larger electric current.
In technique scheme, the current rectifying and wave filtering circuit of described buffering change-over circuit adopts efficient rectifier bridge+RC-π filter circuit; Described voltage stabilizing chip adopts conventional 5V voltage stabilizing chip, and as LM7805/LM1575T-5.0 etc., voltage stabilizing chip input voltage scope is 3 ~ 7V, and output area is 4.8 ~ 5.2V.
When generating electricity, user shakes mobile phone or other equipment with this universal charging device, described TRT is made to produce electric energy by electromagnetic induction, this electric energy, first through current rectifying and wave filtering circuit process, carries out AC/DC conversion and ripple filtering, then by the buffering of energy-storage travelling wave tube, energy transient state is stored in energy-storage travelling wave tube, be input in the voltage stabilizing chip of next stage again, voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs, such as 5V.
The energy-storage travelling wave tube that usual buffering voltage stabilizing is chosen is electric capacity and inductance; consider the frivolous demand of design; for common application demand; the design often adopts patch capacitor and inductance to realize transient energy storage; energy storage for requirements at the higher level needs; the accumulation that the design provides energy lasting by the mode of built-in paper battery, rocking of user's any time all can be stored in inside energy-storage travelling wave tube, and then uses to rear class charging management chip.
In technique scheme, described charging management chip, preferably adopts the charging management chip that lithium battery is special, thus can carry out intelligent charge management according to lithium battery current state.Described charging management chip preferably adopts possesses self adaptation---be namely applicable to single-unit, multisection lithium battery, three grades of charge modes, detect and automatic switching function, under-voltage, overcharge, short circuit, excess temperature, numerical value regulate, the charging management chip of LED deixis, as the model of TI, Freescale Deng Duojia producer, after the actual test in laboratory, its performance indications are all very excellent, all as the selection of practical application product development, can not add restriction at this.
In technique scheme, described magnetic fluid preparation method preferably includes following steps:
S1) by Fe
2+/ Fe
3+soluble-salt wiring solution-forming, then according to 1: 2 or higher molar ratio by Fe
2+and Fe
3+the mixing of two kinds of solution;
S2) by step S1) in the mixed solution that obtains instillation ammonia spirit, obtain the Fe of about 25nm
3o
4nano particle.
Above-mentioned preparation method preferably adopts water and ethanol, water and polyethylene glycol to be reaction medium.
During concrete enforcement, above-mentioned charging device, comprising magnetic fluid airtight cavity, ultra-thin magnet, wire coil, buffering change-over circuit, charging management chip etc. is all embedded in a common-use size outer cover, and described outer cover can cut randomly, and is suitable for the mobile phone of various model.And using flexible, brief charging wire, described charging wire one end is inserted in the charge port of above-mentioned charging device all the time, and when needing to charge, the other end of charging wire is linked in mobile phone charge port by user, is then fixed on outer cover when not charging.Adopt this concealed to design, make it apply more succinctly attractive in appearance.
In sum, the utility model realizes the conversion of motion energy to electric energy by the introducing of magnetohydrodynamic generator, solve kinetic energy, efficiency that magnetic energy is converted into electric energy, for the electronic equipment that uses outside of people provides emergent and careful passive power supply settling mode, the mode that can be embodied as the safe and reliable charging of battery of mobile phone is rocked by a mobile phone shell and daily use, change people to the new knowledge of the energy, are also that the life style of environmental protection opens new road by this.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Universal charging device based on magnetic fluid movement power generation of the present utility model, its structure comprises:
TRT, as shown in Figure 1, it comprises one can the cavity 1 of airtight magnetic fluid, and described cavity 1 tow sides fix the N pole 2 of ultra-thin magnet and the S pole 3 of ultra-thin magnet respectively, be wound around some circle wire coils 4 outward at cavity 1 and magnet, and the two ends of wire coil are fixed by terminal; Thus achieve the positive pole 5 of power supply and the negative pole 6 of power supply;
Buffering change-over circuit, it is connected to outside described TRT, comprises current rectifying and wave filtering circuit, energy-storage travelling wave tube and voltage stabilizing chip;
Charging management chip, for the Charge Management of lithium battery, realizes classification charging, overvoltage protection, overheat protector, short-circuit protection, problem warning.
The electric energy that described TRT produces, AC/DC conversion and ripple filtering is carried out through described current rectifying and wave filtering circuit, then energy transient state be stored in energy-storage travelling wave tube, then be input in the voltage stabilizing chip of next stage, voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs.
This buffering change-over circuit is used for the voltage filter that exported by hydromagnetic generating device and stable, provides the 5V voltage of standard to export, avoids shake ripple voltage and surge voltage to the destruction of charging circuit and electromagnetism.
Wherein, magnetic fluid is the magnetic liquid of tool, its magnetic intensity is relevant with the type of raw materials of produce liquid, is directly proportional to the weight being sealed in inside cavity, and magnetic intensity is higher, magnetic fluid quantity is more, speed of related movement is faster, can produce more electric energy.It is a kind of novel functional material, not only there is the mobility of liquid but also there is the magnetic of solid magnetic material, be by diameter be the magnetic retention particle of nanometer scale (being less than 10 nanometers), a kind of stable colloidal liquid that mixes of base load liquid and interfacial agent three.This fluid is nonmagnetic attraction when static state, just shows magnetic when externally-applied magnetic field effect, and the magnetic fluid excellent performance produced with nano metal and alloy powder, can be applicable to moving generator.
The preparation method of magnetic fluid has many kinds, and magnetic fluid of the present utility model is obtained by the reverse coprecipitation through improvement, and principle is as follows:
Coprecipitation is normally by Fe
2+/ Fe
3+soluble-salt wiring solution-forming, then according to 1: 2 or higher molar ratio by Fe
2+and Fe
3+the mixing of two kinds of solution, with alkali as precipitating reagent, by the Fe in mixed solution
2+and Fe
3+out, precipitation is converted into Fe in co-precipitation
3o
4after, after filtration, washing, drying obtains nanoscale Fe
3o
4.Main reaction is:
Fe
2++2Fe
3++8OH
-＝Fe
3O
4↓+4H
2O
Preparation process is that precipitating reagent is joined Fe
2+and Fe
3+mixed solution in, form strong basicity environment, this is forward coprecipitation, and reaction temperature is generally between 70 ~ 90 DEG C, and the size of particle is tens nanometers, and pattern mostly is spherical.
Otherwise by Fe
2+and Fe
3+in mixed solution instillation ammonia spirit, this is reverse coprecipitation, obtains the Fe of about 25nm
3o
4nano particle.Under similarity condition, the Fe that reverse coprecipitation obtains
3o
4nano particle is not only less than the Fe that forward coprecipitation obtains
3o
4nano particle, and the former thermal response temperature in ac magnetic field is higher, has better biologic applications potentiality.
The great advantage of coprecipitation method is that equipment requirement is low, cost is low, simple to operate and the reaction time is short.Its main deficiency is:
The Fe obtained
3o
4there is very serious agglomeration between nano particle, product cut size distribution is wider.This is owing to experiencing hydroxide colloid process, Fe in addition in preparation
3o
4the magnetic of nano particle and the high surface energy of nano particle, cause product particles easily to be reunited.
Preparation must be carried out in the basic conditions, and Fe with this understanding
2+very easily be oxidized to Fe
3+, the Fe thus in product
2+with Fe
3+it is 1: 2 that ratio is difficult to control exactly, causes in product and more or less there is dephasign.
Research shows by experiment, with water and ethanol, water and polyethylene glycol for reaction medium, prevents Fe to a certain extent
3o
4the reunion of nano particle, alleviates agglomeration, is conducive to product shaping and processing.
So the magnetic fluid preparation method that the utility model preferably adopts comprises the following steps:
S1) by Fe
2+/ Fe
3+soluble-salt wiring solution-forming, then according to 1: 2 or higher molar ratio by Fe
2+and Fe
3+the mixing of two kinds of solution;
S2) by step S1) in the mixed solution that obtains instillation ammonia spirit, obtain the Fe of about 25nm
3o
4nano particle.
Above-mentioned preparation method preferably adopts water and ethanol, water and polyethylene glycol to be reaction medium.
As shown in Figure 1, the cavity of the airtight magnetic fluid of described TRT preferably adopts the shape of two ends point, flattened medial.
In technique scheme, described wire coil preferably adopts the copper conductor that internal resistance is less, on-state rate is high.The cross-sectional area of copper is larger, and its impedance is less, larger by electric current, can provide larger electric current.
As shown in Figure 2, the current rectifying and wave filtering circuit of described buffering change-over circuit adopts efficient rectifier bridge+RC-π filter circuit.
Described voltage stabilizing chip adopts conventional 5V voltage stabilizing chip, and as LM7805/LM1575T-5.0 etc., as shown in Figure 4, voltage stabilizing chip input voltage scope is 3 ~ 7V to voltage stabilizing chip 7805 electrical quantity, and output area is 4.8 ~ 5.2V, and mu balanced circuit as shown in Figure 3.
When generating electricity, user shakes mobile phone or other equipment with this universal charging device, described TRT is made to produce electric energy by electromagnetic induction, this electric energy, first through current rectifying and wave filtering circuit process, carries out AC/DC conversion and ripple filtering, then by the buffering of energy-storage travelling wave tube, energy transient state is stored in energy-storage travelling wave tube, be input in the voltage stabilizing chip of next stage again, voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs, such as 5V.
The energy-storage travelling wave tube that usual buffering voltage stabilizing is chosen is electric capacity and inductance; consider the frivolous demand of design; for common application demand; the utility model preferably adopts patch capacitor and inductance to realize transient energy storage; energy storage for requirements at the higher level needs; the accumulation that the utility model provides energy lasting by the mode of built-in paper battery, rocking of user's any time all can be stored in inside energy-storage travelling wave tube, and then uses to rear class charging management chip.
In technique scheme, described charging management chip, preferably adopts the charging management chip that lithium battery is special, thus can carry out intelligent charge management according to lithium battery current state.As shown in Figure 5, as shown in Figure 6, as shown in Figure 7, pin function as shown in Figure 8 for its technical parameter for physical circuit for special its inner principle of charging management chip of general lithium battery.
Described charging management chip preferably have employed possesses self adaptation---be namely applicable to single-unit, multisection lithium battery, three grades of charge modes, detect and automatic switching function, under-voltage, overcharge, short circuit, excess temperature, numerical value regulate, the charging management chip of LED deixis, as the model of TI, Freescale Deng Duojia producer, after the actual test in laboratory, its performance indications are all very excellent, all as the selection of practical application product development, can not add restriction at this.
During concrete enforcement, above-mentioned charging device, comprising magnetic fluid airtight cavity, ultra-thin magnet, wire coil, buffering change-over circuit, charging management chip etc. is all embedded in a common-use size outer cover, and described outer cover can cut randomly, and is suitable for the mobile phone of various model.And using flexible, brief charging wire, described charging wire one end is inserted in the charge port of above-mentioned charging device all the time, and when needing to charge, the other end of charging wire is linked in mobile phone charge port by user, is then fixed on outer cover when not charging.Adopt this concealed to design, make it apply more succinctly attractive in appearance.
The utility model is based on to charging the making thorough investigation and study of market, the basis fully integrated various new technology new trend propose, sufficient analysis & verification has been carried out by great many of experiments, solve the Reliable Design problem of the power charging circuit under the efficiency of magnetohydrodynamic generator, movement power generation pattern, the cross-species transferability problem of mobile phone shell, the mobile phone making people daily uses to rock and can realize effective generating and charging, and personalized cutting can be carried out according to the feature of oneself mobile phone after buying, simple and practical.
In sum, the utility model realizes the conversion of motion energy to electric energy by the introducing of magnetohydrodynamic generator, solve kinetic energy, efficiency that magnetic energy is converted into electric energy, for using outside of people provides emergent and careful settling mode, the mode that can be embodied as the safe and reliable charging of battery of mobile phone is rocked by a mobile phone shell and daily use, change people to the new knowledge of the energy, are also that the life style of environmental protection opens new road by this.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the generating device structure schematic diagram of the utility model based on a universal charging device embodiment of magnetic fluid movement power generation;
Fig. 2 is the current rectifying and wave filtering circuit schematic diagram of the utility model based on a universal charging device embodiment of magnetic fluid movement power generation;
Fig. 3 is the mu balanced circuit schematic diagram of the utility model based on a universal charging device embodiment of magnetic fluid movement power generation;
Fig. 4 is the electrical quantity of the voltage stabilizing chip x7805 that Fig. 3 adopts;
Fig. 5 is the charging management chip inner principle schematic of the utility model based on a universal charging device embodiment of magnetic fluid movement power generation;
Fig. 6 is the internal circuit schematic diagram of charging management chip in Fig. 5;
Fig. 7 is the technical parameter list of charging management chip in Fig. 5;
Fig. 8 is the pin function list of charging management chip in Fig. 5;
In Fig. 1: 1-cavity; The N pole of the ultra-thin magnet of 2-; The S pole of the ultra-thin magnet of 3-; 4-wire coil; The positive pole of 5-power supply; The negative pole of 6-power supply.
Claims (7)
1. based on a universal charging device for magnetic fluid movement power generation, it is characterized in that, structure comprises:
TRT, it comprises one can the cavity of airtight magnetic fluid, and described cavity tow sides fix N pole and the S pole of ultra-thin magnet respectively, be wound around some circle wire coils outward, and fixed by terminal at the two ends of wire coil at cavity and magnet;
Buffering change-over circuit, it is connected to outside described TRT, comprises current rectifying and wave filtering circuit, energy-storage travelling wave tube and voltage stabilizing chip;
Charging management chip, for the Charge Management of lithium battery;
The electric energy that described TRT produces, AC/DC conversion and ripple filtering is carried out through current rectifying and wave filtering circuit, then energy transient state be stored in energy-storage travelling wave tube, then be input in the voltage stabilizing chip of next stage, voltage stabilizing chip is responsible for the normal voltage producing charging management chip needs.
2. the universal charging device based on magnetic fluid movement power generation according to claim 1, is characterized in that:
The cavity of the airtight magnetic fluid of described TRT adopts the cavity of two ends point, flattened medial shape.
3. the universal charging device based on magnetic fluid movement power generation according to claim 2, is characterized in that:
Described wire coil adopts copper conductor.
4. the universal charging device based on magnetic fluid movement power generation according to claim 3, is characterized in that:
The current rectifying and wave filtering circuit of described buffering change-over circuit adopts efficient rectifier bridge+RC-π filter circuit;
Described voltage stabilizing chip adopts 5V voltage stabilizing chip.
5. the universal charging device based on magnetic fluid movement power generation according to claim 4, is characterized in that:
Described energy-storage travelling wave tube adopts patch capacitor and inductance to realize transient energy storage.
6. the universal charging device based on magnetic fluid movement power generation according to claim 4, is characterized in that:
Described energy-storage travelling wave tube is built-in paper battery.
7. the universal charging device based on magnetic fluid movement power generation according to any one of claim 1 to 6, is characterized in that:
Described charging management chip, adopts the charging management chip that lithium battery is special.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847415.8U CN204304533U (en) | 2014-12-22 | 2014-12-22 | A kind of universal charging device based on magnetic fluid movement power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847415.8U CN204304533U (en) | 2014-12-22 | 2014-12-22 | A kind of universal charging device based on magnetic fluid movement power generation |
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| Publication Number | Publication Date |
|---|---|
| CN204304533U true CN204304533U (en) | 2015-04-29 |
Family
ID=53110045
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|---|---|---|---|
| CN201420847415.8U Expired - Fee Related CN204304533U (en) | 2014-12-22 | 2014-12-22 | A kind of universal charging device based on magnetic fluid movement power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790342A (en) * | 2014-12-22 | 2016-07-20 | 张迎春 | Magnetic fluid motion power generation-based general charging device |
-
2014
- 2014-12-22 CN CN201420847415.8U patent/CN204304533U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790342A (en) * | 2014-12-22 | 2016-07-20 | 张迎春 | Magnetic fluid motion power generation-based general charging device |
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|---|---|---|---|
| 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: 20150429 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |