CN203056619U - Wireless solar charging circuit - Google Patents
Wireless solar charging circuit Download PDFInfo
- Publication number
- CN203056619U CN203056619U CN 201220665457 CN201220665457U CN203056619U CN 203056619 U CN203056619 U CN 203056619U CN 201220665457 CN201220665457 CN 201220665457 CN 201220665457 U CN201220665457 U CN 201220665457U CN 203056619 U CN203056619 U CN 203056619U
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- Prior art keywords
- charging circuit
- circuit
- triode
- solar cell
- solar energy
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Abstract
The utility model discloses a wireless solar charging circuit which comprises a charging circuit, and a solar cell and a charging cell respectively connected on the charging circuit. The charging circuit comprises an emission circuit and a reception circuit. The wireless solar charging circuit generates power with solar energy, which is green and saves energy. The charging cell is charged in a wireless means, and is simple in structure. No complex transmission line is needed, which brings convenience to people's life.
Description
Technical field
The utility model relates to, and designs a kind of charger specifically, is the solar energy radio charging circuit.
Background technology
With wireless technology transfer electric power, this idea just exists after 19 th Century electromagnetic induction phenomenons are found, in recent years, domestic and international many research institutions and company have developed antenna power supply technique and the product of short distance and microspur in succession, make that transmitting electric energy with wireless technology has become possibility, boundless application prospect is arranged, and along with the raising of charge efficiency and charging voltage, be expected to be popularized in future.But wireless charging still has a certain distance with wired charging aspect charge efficiency, and therefore the energy waste that causes can't be avoided.Meanwhile, solar energy also is subjected to common people's attention day by day as reproducible clean energy resource, and the application of solar cell has also entered each field.But up to the present, also nobody has technology effectively to combine radiotechnics and solar energy.
The utility model content
The purpose of this utility model is to provide the solar energy radio charging circuit, and is simple in structure, environmental protection, and laser propagation effect is good.
The utility model is achieved through the following technical solutions: the solar energy radio charging circuit comprises charging circuit and is connected to solar cell and rechargeable battery on the charging circuit that described charging circuit comprises radiating circuit and receiving circuit.
Described radiating circuit comprises protective circuit, emitter-coupled multivibrator and the amplifying circuit that links to each other successively.
Described protective circuit comprises that the counnter attack that is connected with solar cell fills Schottky diode; fill in counnter attack and also to be connected with anti-overcharge transistor between Schottky diode and the solar cell; positive pole one end of described anti-overcharge transistorized collector electrode and base stage and solar cell and counnter attack are filled Schottky diode and are connected; also be connected with resistance between anti-overcharge transistorized base stage and the solar cell, anti-overcharge transistorized emitter one end is connected with the negative pole of solar cell.Schottky diode is filled in counnter attack can prevent rechargeable battery to the solar cell reverse charge, and anti-overcharge transistor can prevent that the full back of electric quantity of rechargeable battery from overcharging, and causes damage to rechargeable battery.
Be provided with switch between described protective circuit and the emitter-coupled multivibrator.The user can utilize the random closure or openness solar energy radio of switch charging circuit.
Described amplifying circuit is simulation Darlington transistor circuit, comprise the triode VT1 and the triode VT2 that link to each other successively, the base stage of VT1 is connected with emitter-coupled multivibrator, and the collector electrode of VT1 is connected with the collector electrode of VT2, and the emitter of VT1 links to each other with the base stage of VT2.Simulation Darlington transistor circuit structure is simple, and amplification effect is good.
Described wireless receiving circuit comprises receiving coil and the rectification circuit that links to each other successively.
Described rectification circuit comprises bridge rectifier and the current-limiting resistance that links to each other successively, current-limiting resistance is connected with the positive pole of rechargeable battery, between rectification circuit and current-limiting resistance, be connected to commutation capacitor, the positive pole of commutation capacitor is connected with current-limiting resistance with bridge rectifier, and the negative pole of commutation capacitor is connected with the negative pole of rechargeable battery.The abundant rectification of electric energy that rectification circuit can receive receiving coil is protected rechargeable battery.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model utilizes solar power generation, and the energy has been saved in environmental protection.
(2) the utility model has adopted the mode of wireless charging that rechargeable battery is charged, and is simple in structure, dispensed complicated transmission line, the convenience of bringing for people's life.
(3) can adequately protect solar cell and rechargeable battery of the utility model prolonged useful life of rechargeable battery.
(4) the utility model has adopted simulation Darlington transistor circuit as amplifier, and the signal amplification effect is good, has guaranteed charging effect.
Description of drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit diagram of simulation Darlington transistor circuit.
Fig. 3 is the circuit diagram of receiving circuit.
Embodiment
Be described in further detail below in conjunction with the utility model of embodiment, but execution mode of the present utility model is not limited thereto.
Embodiment:
Structure of the present utility model as shown in Figure 1, the solar energy radio charging circuit comprises charging circuit and is connected to solar cell and rechargeable battery on the charging circuit that described charging circuit comprises radiating circuit and receiving circuit.
Described radiating circuit comprises protective circuit, emitter-coupled multivibrator, amplifying circuit and the transmitting coil that links to each other successively.
When the utility model carried out work, solar cell began to absorb luminous energy, and luminous energy is changed into electric energy, exported to protective circuit, and the signal of telecommunication frequency of this moment is also lower, is difficult for being received.The signal of telecommunication changes into high-frequency signal through emitter-coupled multivibrator with telecommunications, simulateding the amplification of Darlington transistor circuit, just has been received easily.Simulate the Darlington transistor circuit structure as shown in Figure 2, close with the Darlington transistor structure function, simple in structure, amplification effect is good.The structure of receiving circuit comprises the receiving coil and the rectification circuit that link to each other successively as shown in Figure 3.Described rectification circuit comprises bridge rectifier and the current-limiting resistance that links to each other successively, current-limiting resistance is connected with the positive pole of rechargeable battery, between bridge rectifier and current-limiting resistance, be connected to commutation capacitor, the positive pole of commutation capacitor is connected with current-limiting resistance with bridge rectifier, and the negative pole of commutation capacitor is connected with the negative pole of rechargeable battery.Described bridge rectifier is the bridge rectifier of being made up of four silicon diodes, after receiving coil receives the signal of telecommunication, is transferred to rechargeable battery by becoming direct current behind the rectification circuit rectifying and wave-filtering.
When not having sunlight, Schottky diode is filled in the counnter attack in the protective circuit can prevent effectively that rechargeable battery to the reverse charge of solar cell, protecting solar cell.When rechargeable battery is full of electric weight, the anti-overcharge transistor turns in the protective circuit, the electric energy that solar cell produces can be let slip towards transistor dissipation, thereby has played anti-overcharge effect, and rechargeable battery is protected.
The utility model can be made receiving circuit the very little paster circuit of volume and be integrated on cell phone mainboard or other equipment that need charge, radiating circuit is placed on the position that solar radiation arrives, so just can have charged to mobile phone or other equipment that need charge.The utility model volume is little, is easy to carry.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all falls within the protection range of the present utility model any simple modification, equivalent variations that above embodiment does.
Claims (7)
1. solar energy radio charging circuit comprises charging circuit and is connected to solar cell and rechargeable battery on the charging circuit that it is characterized in that: described charging circuit comprises radiating circuit and receiving circuit.
2. solar energy radio charging circuit according to claim 1 is characterized in that: described radiating circuit comprises protective circuit, emitter-coupled multivibrator, amplifying circuit and the transmitting coil that links to each other successively.
3. solar energy radio charging circuit according to claim 2; it is characterized in that: described protective circuit comprises that the counnter attack that is connected with solar cell fills Schottky diode; fill in counnter attack and also to be connected with anti-overcharge transistor between Schottky diode and the solar cell; positive pole one end of described anti-overcharge transistorized collector electrode and base stage and solar cell and counnter attack are filled Schottky diode and are connected; also be connected with resistance between anti-overcharge transistorized base stage and the solar cell, anti-overcharge transistorized emitter one end is connected with the negative pole of solar cell.
4. solar energy radio charging circuit according to claim 2 is characterized in that: be provided with switch between described protective circuit and the emitter-coupled multivibrator.
5. solar energy radio charging circuit according to claim 2, it is characterized in that: described amplifying circuit is simulation Darlington transistor circuit, comprise the triode VT1 and the triode VT2 that link to each other successively, the base stage of triode VT1 is connected with emitter-coupled multivibrator, the collector electrode of triode VT1 is connected with the collector electrode of triode VT2, and the emitter of triode VT1 links to each other with the base stage of triode VT2.
6. solar energy radio charging circuit according to claim 1 is characterized in that: described receiving circuit comprises receiving coil and the rectification circuit that links to each other successively.
7. solar energy radio charging circuit according to claim 6, it is characterized in that: described rectification circuit comprises bridge rectifier and the current-limiting resistance that links to each other successively, current-limiting resistance is connected with the positive pole of rechargeable battery, between bridge rectifier and current-limiting resistance, be connected to commutation capacitor, the positive pole of commutation capacitor is connected with current-limiting resistance with bridge rectifier, and the negative pole of commutation capacitor is connected with the negative pole of rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665457 CN203056619U (en) | 2012-12-06 | 2012-12-06 | Wireless solar charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665457 CN203056619U (en) | 2012-12-06 | 2012-12-06 | Wireless solar charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203056619U true CN203056619U (en) | 2013-07-10 |
Family
ID=48739538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665457 Expired - Fee Related CN203056619U (en) | 2012-12-06 | 2012-12-06 | Wireless solar charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203056619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319857A (en) * | 2014-11-04 | 2015-01-28 | 长沙理工大学 | Multipurpose solar ceiling wireless charging system |
-
2012
- 2012-12-06 CN CN 201220665457 patent/CN203056619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319857A (en) * | 2014-11-04 | 2015-01-28 | 长沙理工大学 | Multipurpose solar ceiling wireless charging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131206 |