CN104022555A - Piezoelectric-type phone charger - Google Patents
Piezoelectric-type phone charger Download PDFInfo
- Publication number
- CN104022555A CN104022555A CN201410298687.1A CN201410298687A CN104022555A CN 104022555 A CN104022555 A CN 104022555A CN 201410298687 A CN201410298687 A CN 201410298687A CN 104022555 A CN104022555 A CN 104022555A
- Authority
- CN
- China
- Prior art keywords
- voltage stabilizing
- stabilizing didoe
- circuit
- negative pole
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Abstract
The invention relates to a piezoelectric-type phone charger which comprises a shell, wherein the shell comprises a shell body, an upper end cap and a lower end cap; the upper end cap and the lower end cap respectively sleeve the two ends of the shell body; a USB (Universal Serial Bus) interface, a circuit board, an elastic slice and piezoelectric ceramic slices are arranged in the shell body; the lower surface of the circuit board is fixed to the lower end cap through a connecting rod; the lower end cap is fixedly connected at the lower end of the elastic slice; a gap is formed between the upper end of the elastic slice and the lower surface of the circuit board; the two piezoelectric ceramic slices are respectively bonded at two sides of the elastic slice; a protecting circuit, an energy acquisition circuit and a voltage conversion circuit are arranged on the upper surface of the circuit board; an output terminal of the protecting circuit is connected with an input terminal of the energy acquisition circuit; the output terminal of the energy acquisition circuit is connected with the input terminal of the voltage conversion circuit; the voltage conversion circuit is connected with the USB interface through a data line; and the upper end of the USB interface passes through the upper end of the upper end cap. The piezoelectric-type phone charger is small in volume, simple in structure, high in charging efficiency and very convenient to manufacture, carry and use, thereby being favorable for popularization.
Description
Technical field
The present invention relates to a kind of charger, specifically a kind of piezoelectric type charger for mobile phone.
Background technology
Present stage, portable collection charger mainly contained solar mobile phone charging device, hand-operated charger for handset etc.The existing portable collection charger in market, in weather conditions, bad or evening in the situation that, solar mobile phone charging device is available hardly; Hand-operated charger for handset is to produce electric charge by cutting magnetic induction line, is not subject to the impact of environment, but during charging, special going to go to shake with hand, loses time.
Summary of the invention
In order to address the above problem, the invention provides a kind of piezoelectric type charger for mobile phone, can be electric energy by the Conversion of Energy of vibration, real-time charge for mobile phone.
The present invention is by the following technical solutions: a kind of piezoelectric type charger for mobile phone, comprise shell, it is characterized in that, described shell comprises housing, upper end cap and lower endcaps, described housing is the cavity body structure of both ends open, described is upper, lower endcaps is nested with respectively at housing two ends, described housing inner chamber is provided with USB interface, circuit board, flexure strip, piezoelectric ceramic piece, the lower surface of described circuit board is fixed by connecting rod and lower endcaps, the affixed lower endcaps in lower end of described flexure strip, and the upper end of flexure strip and circuit board lower surface have space, a piezoelectric ceramic piece is posted respectively in the both sides of described flexure strip, described circuit board upper surface is provided with protective circuit, energy acquisition circuit and voltage conversion circuit, the output of protective circuit connects energy acquisition circuit input end, energy acquisition circuit output end connects voltage conversion circuit input, voltage conversion circuit is connected with USB interface by data wire, upper end cap upper end is run through in described USB interface upper end.
Further, the upper end of described flexure strip is fixed with mass, is used for increasing elastically-deformable amplitude.
Further, described protective circuit comprises voltage stabilizing didoe D1, voltage stabilizing didoe D2, voltage stabilizing didoe D3, voltage stabilizing didoe D4, voltage stabilizing didoe D5 and crystal oscillator Y1, the two ends of described crystal oscillator Y1 connect respectively voltage stabilizing didoe D1 negative pole and voltage stabilizing didoe D2 negative pole, voltage stabilizing didoe D1 is anodal to be connected with voltage stabilizing didoe D2 is anodal, the anodal voltage stabilizing didoe D1 negative pole that connects of voltage stabilizing didoe D3, voltage stabilizing didoe D3 negative pole connects voltage stabilizing didoe D4 negative pole, the anodal voltage stabilizing didoe D2 negative pole that connects of voltage stabilizing didoe D4, it is anodal that voltage stabilizing didoe D4 negative pole connects voltage stabilizing didoe D5, it is anodal that voltage stabilizing didoe D5 negative pole connects voltage stabilizing didoe D1, the both positive and negative polarity of voltage stabilizing didoe D5 connects respectively two outputs.
Further, described energy acquisition circuit is LTC35881 piezoelectric type energy collecting circuit.
Further, described voltage conversion circuit is that 3.5V turns 5V change-over circuit.
The invention has the beneficial effects as follows:
1, designed flexure strip, real-time transmitting vibrations, and utilize the deformation of flexure strip and the weight of mass, and will vibrate amplification, meanwhile, because circuit loss is very little, therefore the efficiency of charging is very high.
2, design protective circuit, prevented the excessive damage to energy acquisition circuit of voltage or electric current.
3, this device volume is little, simple in structure, manufactures, carries and use all very conveniently, and very applicable carrying, is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is explosive view of the present invention;
Fig. 2 is way circuit principle schematic of the present invention.
In Fig. 1: 1 shell, 11 upper end cap, 12 housings, 13 lower endcaps, 2 circuit boards, 3 flexure strips, 4 piezoelectric ceramic pieces, 5 masses, 6 connecting rods, 7USB interface.
Embodiment
A kind of piezoelectric type charger for mobile phone as shown in Figure 1, comprise shell 1, described shell comprises housing 12, upper end cap 11 and lower endcaps 13, the cavity body structure that described housing 12 is both ends open, described is upper, lower endcaps is nested with respectively at housing two ends, described housing inner chamber is provided with USB interface 7, circuit board 2, flexure strip 3, piezoelectric ceramic piece 4, the lower surface of described circuit board 2 is fixing with lower endcaps 13 by connecting rod 6, the affixed lower endcaps 13 in lower end of described flexure strip 3, and the upper end of flexure strip 3 and circuit board 2 lower surfaces have space, a piezoelectric ceramic piece 4 is posted respectively in the both sides of described flexure strip 3, the upper end of described flexure strip is fixed with mass, be used for increasing elastically-deformable amplitude, described circuit board 2 upper surfaces are provided with protective circuit, energy acquisition circuit and voltage conversion circuit, the output of protective circuit connects energy acquisition circuit input end, energy acquisition circuit output end connects voltage conversion circuit input, voltage conversion circuit is connected with USB interface 7 by data wire, described USB interface 7 upper ends are run through upper end cap 11 upper ends and are in communication with the outside.
As shown in Figure 2, described protective circuit is mainly anti-return circuit, and described energy acquisition circuit is LTC35881 piezoelectric type energy collecting circuit, and described voltage conversion circuit is that 3.5V turns 5V change-over circuit.
Described protective circuit comprises voltage stabilizing didoe D1, voltage stabilizing didoe D2, voltage stabilizing didoe D3, voltage stabilizing didoe D4, voltage stabilizing didoe D5 and crystal oscillator Y1, the two ends of described crystal oscillator Y1 connect respectively voltage stabilizing didoe D1 negative pole and voltage stabilizing didoe D2 negative pole, voltage stabilizing didoe D1 is anodal to be connected with voltage stabilizing didoe D2 is anodal, the anodal voltage stabilizing didoe D1 negative pole that connects of voltage stabilizing didoe D3, voltage stabilizing didoe D3 negative pole connects voltage stabilizing didoe D4 negative pole, the anodal voltage stabilizing didoe D2 negative pole that connects of voltage stabilizing didoe D4, it is anodal that voltage stabilizing didoe D4 negative pole connects voltage stabilizing didoe D5, it is anodal that voltage stabilizing didoe D5 negative pole connects voltage stabilizing didoe D1, the both positive and negative polarity of voltage stabilizing didoe D5 connects respectively PZ1 port and the PZ2 port of LTC35881 chip.Wherein, D1, D2, D3, D4 are the anti-return circuit that IN4007 forms, mainly for preventing forming closed-loop path after a plurality of piezoelectric patches parallel connections; D5 is IN4742, and 12V voltage stabilizing didoe, thus after circuit conversion; maximum output voltage is 12V, has effectively protected collection of energy circuit.
During use; mobile phone charging port is connected with USB interface; in the process of walking; owing to experiencing vibration, flexure strip generation deformation, passes to piezoelectric ceramic piece after vibration is amplified; piezoelectric ceramic piece produces electric charge and concussion frequency; the crystal oscillator of protective circuit receives frequency of oscillation generation current, and electric current, after the mobile phone of energy acquisition circuit, is input in mobile phone finally by overvoltage conversion.
The efficiency analysis of this charger is as follows:
Output voltage and the current/voltage of piezoelectric ceramic piece after protective circuit: 12V
Electric current by:
:
LTC3588-1 operating current is 960nA;
LTC4070 operating current is 450nA;
So total output current by:
I
out＝I
out1-I
3588-I
4070
: I
out=1920-0.96-045=1918.59uA
Hence one can see that, and the loss of circuit is very little, even negligible.
Except structure of the present invention, all the other are prior art.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (5)
1. a piezoelectric type charger for mobile phone, comprise shell, it is characterized in that, described shell comprises housing, upper end cap and lower endcaps, described housing is the cavity body structure of both ends open, described is upper, lower endcaps is nested with respectively at housing two ends, described housing inner chamber is provided with USB interface, circuit board, flexure strip, piezoelectric ceramic piece, the lower surface of described circuit board is fixed by connecting rod and lower endcaps, the affixed lower endcaps in lower end of described flexure strip, and the upper end of flexure strip and circuit board lower surface have space, a piezoelectric ceramic piece is posted respectively in the both sides of described flexure strip, described circuit board upper surface is provided with protective circuit, energy acquisition circuit and voltage conversion circuit, the output of protective circuit connects energy acquisition circuit input end, energy acquisition circuit output end connects voltage conversion circuit input, voltage conversion circuit is connected with USB interface by data wire, upper end cap upper end is run through in described USB interface upper end.
2. a kind of piezoelectric type charger for mobile phone according to claim 1, is characterized in that, the upper end of described flexure strip is fixed with mass, is used for increasing elastically-deformable amplitude.
3. a kind of piezoelectric type charger for mobile phone according to claim 1 and 2, it is characterized in that, described protective circuit comprises voltage stabilizing didoe D1, voltage stabilizing didoe D2, voltage stabilizing didoe D3, voltage stabilizing didoe D4, voltage stabilizing didoe D5 and crystal oscillator Y1, the two ends of described crystal oscillator Y1 connect respectively voltage stabilizing didoe D1 negative pole and voltage stabilizing didoe D2 negative pole, voltage stabilizing didoe D1 is anodal to be connected with voltage stabilizing didoe D2 is anodal, the anodal voltage stabilizing didoe D1 negative pole that connects of voltage stabilizing didoe D3, voltage stabilizing didoe D3 negative pole connects voltage stabilizing didoe D4 negative pole, the anodal voltage stabilizing didoe D2 negative pole that connects of voltage stabilizing didoe D4, it is anodal that voltage stabilizing didoe D4 negative pole connects voltage stabilizing didoe D5, it is anodal that voltage stabilizing didoe D5 negative pole connects voltage stabilizing didoe D1, the both positive and negative polarity of voltage stabilizing didoe D5 connects respectively two outputs.
4. a kind of piezoelectric type charger for mobile phone according to claim 1 and 2, is characterized in that, described energy acquisition circuit is LTC35881 piezoelectric type energy collecting circuit.
5. a kind of piezoelectric type charger for mobile phone according to claim 1 and 2, is characterized in that, described voltage conversion circuit is that 3.5V turns 5V change-over circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298687.1A CN104022555B (en) | 2014-06-27 | 2014-06-27 | A kind of piezoelectric type charger for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298687.1A CN104022555B (en) | 2014-06-27 | 2014-06-27 | A kind of piezoelectric type charger for mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104022555A true CN104022555A (en) | 2014-09-03 |
| CN104022555B CN104022555B (en) | 2015-12-30 |
Family
ID=51439179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410298687.1A Active CN104022555B (en) | 2014-06-27 | 2014-06-27 | A kind of piezoelectric type charger for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022555B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283295A (en) * | 2014-10-22 | 2015-01-14 | 苏州网信信息科技有限公司 | Portable head-on collision mobile power supply |
| CN105720647A (en) * | 2016-04-11 | 2016-06-29 | 西南交通大学 | Power adapter with multiple charging modes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090230924A1 (en) * | 2008-03-11 | 2009-09-17 | Adaptive Energy, Llc | Circuits for harvesting energy from piezoelectric devices |
| CN201708712U (en) * | 2010-05-31 | 2011-01-12 | 朱盼 | Piezoelectric type vibration electricity generator |
| CN201928319U (en) * | 2010-12-06 | 2011-08-10 | 中兴通讯股份有限公司 | Mobile phone charged by piezoelectric module |
| CN102801203A (en) * | 2012-09-03 | 2012-11-28 | 桂林电子科技大学 | Piezoelectric power-generation charger |
| CN203933119U (en) * | 2014-06-27 | 2014-11-05 | 济南大学 | A kind of piezoelectric type charger for mobile phone |
-
2014
- 2014-06-27 CN CN201410298687.1A patent/CN104022555B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090230924A1 (en) * | 2008-03-11 | 2009-09-17 | Adaptive Energy, Llc | Circuits for harvesting energy from piezoelectric devices |
| CN201708712U (en) * | 2010-05-31 | 2011-01-12 | 朱盼 | Piezoelectric type vibration electricity generator |
| CN201928319U (en) * | 2010-12-06 | 2011-08-10 | 中兴通讯股份有限公司 | Mobile phone charged by piezoelectric module |
| CN102801203A (en) * | 2012-09-03 | 2012-11-28 | 桂林电子科技大学 | Piezoelectric power-generation charger |
| CN203933119U (en) * | 2014-06-27 | 2014-11-05 | 济南大学 | A kind of piezoelectric type charger for mobile phone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283295A (en) * | 2014-10-22 | 2015-01-14 | 苏州网信信息科技有限公司 | Portable head-on collision mobile power supply |
| CN105720647A (en) * | 2016-04-11 | 2016-06-29 | 西南交通大学 | Power adapter with multiple charging modes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104022555B (en) | 2015-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102790548A (en) | Bistable composite cantilever beam piezoelectric power generating device | |
| CN102790547A (en) | Bistable and double cantilever beam piezoelectric power generating device | |
| CN104467130A (en) | Wireless charger | |
| CN203933119U (en) | A kind of piezoelectric type charger for mobile phone | |
| CN104836476A (en) | Piezoelectric vibration energy collector | |
| CN104022555B (en) | A kind of piezoelectric type charger for mobile phone | |
| CN107659205A (en) | A kind of piezoelectric energy capture operated type wireless sensing node device for deep tunnel monitoring | |
| KR101292195B1 (en) | Battery Charger for Mobile Communication Terminals | |
| CN109104515A (en) | A kind of mobile phone display screen with shatter-resistant | |
| CN204615694U (en) | A kind of piezoelectric type vibration energy collecting device | |
| CN204220301U (en) | Dry method electric cleaner top rapping dust disposing device | |
| CN205285034U (en) | Clothes with static collection device | |
| CN102437614A (en) | Energy-saving type portable electronic equipment and method for realizing energy reutilization based on same | |
| CN203856656U (en) | Power generation device for smart phone worn on wrist | |
| CN205159384U (en) | Line laser device reserve battery protection shield and battery isolating construction | |
| CN201414085Y (en) | Ferroelectric generating device | |
| CN104735185A (en) | Mobile phone shell achieving charging function through vibration energy | |
| CN208386988U (en) | A kind of mobile X-ray unit of ferroelectric power supply driving | |
| CN207896887U (en) | A kind of energy production under vibration cut state is collected and regulating device | |
| CN207134818U (en) | A kind of wireless charging device | |
| CN206790375U (en) | A kind of acoustic energy retracting device | |
| CN104810819A (en) | Charging device with surge protection | |
| CN205050003U (en) | Lithium battery measurement ripple filters circuit | |
| CN210576152U (en) | Treasured charges with protect function | |
| CN204538736U (en) | A kind of Portable mobile charging device of non-dismountable wrist-watch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |