CN203278369U - Wall type optical coupling wireless charger and handset - Google Patents
Wall type optical coupling wireless charger and handset Download PDFInfo
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- CN203278369U CN203278369U CN2013203279332U CN201320327933U CN203278369U CN 203278369 U CN203278369 U CN 203278369U CN 2013203279332 U CN2013203279332 U CN 2013203279332U CN 201320327933 U CN201320327933 U CN 201320327933U CN 203278369 U CN203278369 U CN 203278369U
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- receiving circuit
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Abstract
The utility model discloses a wall type optical coupling wireless charger and a handset, comprising a light emission circuit employing 85-265 V alternating current for power supply and a light receiving circuit used for charging cells of mobile devices. The light emission circuit comprises a LED unit, a non isolation type LED control module and an optical coupler; the optical coupler realizes starting control on the non isolation type LED control module; an output terminal of the non isolation type LED control module is in connection with a positive electrode of the LED unit; the light receiving circuit comprises a photocell used for receiving optical signals of the LED unit and converting the optical signals into electric energy; an output terminal of the light receiving circuit forms a charging connecting terminal of the cells of mobile devices; the handset is provided with the light receiving circuit. According to the utility model, optical energy can be converted into electric energy; charging control can be realized by utilizing the optical coupler and the non isolation type LED control module; the wall type optical coupling wireless charger and handset can be charged wirelessly, do not exist electromagnetic radiation, have a simple circuit structure and are convenient for integration.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of wall type optical coupling wireless charger and mobile phone.
Background technology
Existing charger mainly includes line charging modes and wireless charging mode, and wherein mainly to adopt USB interface to coordinate data wire be mobile device (comprising mobile phone, PDA, GPS, notebook computer etc.) charging to wired charging modes; The wireless charging mode is actually transformer is divided into two parts, and its principle is still carried out power conversion by magnetic field.Above-mentioned two kinds of chargers, Shortcomings part respectively: for the former, require the user to carry USB interface and data wire; For the latter, because being adopts the electromagnetic conversion principle, thereby there is electromagnetic radiation, when particularly magnetic Field Coupling being in semi-open high frequency state, its electromagnetic radiation is stronger, is unfavorable for health.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of wall type optical coupling wireless charger and mobile phone are provided, it mainly utilizes LED and photocell to carry out power conversion, need not in transfer process by USB interface and data wire, electromagnetic-radiation-free, and circuit structure is simple, is convenient to integrated and miniaturization, facilitates design and installation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of wall type optical coupling wireless charger comprises the optical receiving circuit that the optical transmission circuit that adopts the 85-265V AC-powered and the battery that is used to mobile device charge; Optical transmission circuit comprises LED unit, non-isolated LED control module, optical coupler, and optical coupler is realized starting to non-isolated LED control module and controlled, and the output of non-isolated LED control module connects the positive pole of LED unit; Optical receiving circuit comprises for the light signal that receives the LED unit and light signal is converted to the photocell of electric energy, and the output of this optical receiving circuit consists of the charging link of the battery of mobile device.
Described non-isolated LED control module comprises by 85-265V AC-powered and chip model being control chip and the shunt capacitance of LNK306; The emitter of described optical coupler connects the FB pin of control chip, and the collector electrode of described optical coupler connects the BP pin of control chip, and the collector electrode of described optical coupler also connects its positive pole by a resistance, the minus earth of described optical coupler; Shunt capacitance is connected between the BP pin and its source electrode of control chip, and the drain electrode of control chip connects an end of 85-265V alternating current, and the source electrode of control chip connects the positive pole of described LED unit.
Described optical receiving circuit also comprises the first light-emitting diode, the first voltage stabilizing didoe, the first resistance and the first the diode whether battery for detection of mobile device is full of, and described optical transmission circuit also comprises for the first phototriode that uses with the first light-emitting diode pairing; The collector electrode of the first phototriode connects the BP pin of described control chip, and the emitter of the first phototriode connects the FB pin of described control chip; The first light-emitting diode and the first resistance are connected in parallel, and be serially connected in a branch road with the first zener diode, this branch road and described photocell are connected in parallel, described photocell also is connected in series with the first diode, and the negative pole of this first diode consists of one of them output of described optical receiving circuit, be used for being connected with the positive pole of the battery of mobile device, described photronic anodal another output that consists of described optical receiving circuit is used for being connected with the negative pole of the battery of mobile device.
Described optical transmission circuit also comprises protective circuit of voltage regulation, this protective circuit of voltage regulation comprises the second light-emitting diode, the second phototriode, the second voltage stabilizing didoe and the second resistance, this second light-emitting diode and the second resistance are connected in parallel, and being serially connected in a branch road with the second voltage stabilizing didoe, this branch road and described LED unit are connected in parallel; The collector electrode of the second phototriode connects the BP pin of described control chip; The emitter of the second phototriode connects the FB pin of described control chip.
Described optical transmission circuit also comprises the 3rd resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the second diode, the 3rd diode, the 4th diode and two inductance, and the first electric capacity and described LED unit are connected in parallel, the minus earth of described LED unit; The source electrode of described control chip is connected with the positive pole of described LED unit by an inductance; The second diode is connected between the source electrode and ground end of described control chip; The drain electrode of described control chip is connected to an end of 85-265V alternating current successively by an inductance, the 3rd diode and the 3rd resistance, the second electric capacity is connected between the drain electrode and ground end of described control chip, the 3rd electric capacity is connected between the negative pole and ground end of the 3rd diode, the 4th diode hold with being connected in and the other end of 85-265V alternating current between.
Described LED unit is LED array; Described photocell is silicon photocell; Described optical coupler is the infrared light coupler of transmission-type.
Described the first phototriode is infrared receiving tube, and described the first light-emitting diode is infrared transmitting tube.
Described the second phototriode is infrared receiving tube, and described the second light-emitting diode is infrared transmitting tube.
A kind of mobile phone, this mobile phone are equipped with the optical receiving circuit of wall type optical coupling wireless charger as above, and the output of this optical receiving circuit is connected with the positive and negative level of battery of mobile phone.
Described optical receiving circuit is located at the bonnet of described mobile phone, and perhaps, the battery of described optical receiving circuit and described mobile phone is made as one.
the beneficial effects of the utility model are: the utility model mainly adopts the LED unit, non-isolated LED control module, optical coupler consists of optical transmission circuit, the main photocell that adopts consists of optical receiving circuit, utilize LED unit and photocell that light energy conversion is electric energy, utilize optical coupler and non-isolated LED control module to realize charging control, thereby, the utility model is compared with the charger of prior art, it has can realize wireless charging, save magnetic element, there is not electromagnetic radiation, circuit structure is simple, be convenient to integrated and miniaturization, facilitate the characteristics such as design and installation.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of wall type optical coupling wireless charger of the present utility model and mobile phone are not limited to embodiment.
Description of drawings
Fig. 1 is the circuit connection diagram of optical transmission circuit of the present utility model;
Fig. 2 is the circuit connection diagram of optical receiving circuit of the present utility model;
Fig. 3 is schematic appearance of the present utility model.
Embodiment
Embodiment, see also Fig. 1, shown in Figure 2, a kind of wall type optical coupling wireless charger of the present utility model comprises the optical receiving circuit that the optical transmission circuit that adopts the 85-265V AC-powered and the battery that is used to mobile device (mobile device is take mobile phone as example) herein, charge; Optical transmission circuit comprises LED cells D 0, non-isolated LED control module, optical coupler IC2, and optical coupler IC2 realizes starting to non-isolated LED control module and controls, and the output of non-isolated LED control module connects the positive pole of LED cells D 0; Optical receiving circuit comprises for the light signal that receives LED cells D 0 and light signal is converted to the photocell SD of electric energy, and the output of this optical receiving circuit consists of the charging link of battery of mobile phone E.
Above-mentioned non-isolated LED control module comprises by 85-265V AC-powered and chip model being control chip IC1 and the shunt capacitance C3 of LNK306.The S of control chip IC1, D pin are respectively source electrode and the drain electrodes of MOSFET; The BP pin is the bypass end, is also the output of 5.8V voltage stabilizing simultaneously; The FB pin is feedback end, and during normal operation, the conversion of MOSFET is controlled by it, and when an electric current greater than 49 microamperes was delivered to this pin, MOSFET closed.The emitter of above-mentioned optical coupler IC2 connects the FB pin of control chip IC1, and the collector electrode of optical coupler IC2 connects the BP pin of control chip IC1, and the collector electrode of optical coupler IC2 also connects its positive pole, the minus earth of optical coupler IC2 by a resistance R 2; Shunt capacitance C3 is connected between the BP pin and its source electrode of control chip IC1, and the drain electrode of control chip IC1 connects an end of 85-265V alternating current, and the source electrode of control chip IC1 connects the positive pole of described LED cells D 0.
Described optical receiving circuit also comprises the first light-emitting diode D4, the first voltage stabilizing didoe ZD2, the first resistance R 4 and the first diode the D5 whether battery for detection of mobile device is full of, above-mentioned optical transmission circuit also comprises for the first phototriode IC4 that uses with the first light-emitting diode D4 pairing, this the first phototriode IC4 and the first light-emitting diode D4 consist of split type optocoupler, and consist of charging detecting circuit with the first voltage stabilizing didoe ZD2, the first resistance R 4, for detection of receiving terminal, be the charged state of battery of mobile phone E, prevent from overcharging.the collector electrode of the first phototriode IC4 connects the BP pin of control chip IC1, and the emitter of the first phototriode IC4 connects the FB pin of control chip IC1, the first light-emitting diode D4 and the first resistance R 4 are connected in parallel, and be serially connected in a branch road with the first zener diode ZD2, this branch road and described photocell SD are connected in parallel, described photocell SD also is connected in series with the first diode D5, and the negative pole of this first diode D5 consists of one of them output of described optical receiving circuit, be used for being connected with the positive pole of the battery E of mobile device (the present embodiment is take mobile phone as example), the positive pole of described photocell SD consists of another output of described optical receiving circuit, be used for being connected with the negative pole of the battery E of mobile device (the present embodiment is take mobile phone as example).
Described optical transmission circuit also comprises protective circuit of voltage regulation, this protective circuit of voltage regulation comprises the second light-emitting diode D6, the second phototriode IC3, the second voltage stabilizing didoe ZD1 and the second resistance R 3, this the second light-emitting diode D6 and the second resistance R 3 are connected in parallel, and being serially connected in a branch road with the second voltage stabilizing didoe ZD1, this branch road and described LED cells D 0 are connected in parallel; Light path optocoupler in the second phototriode IC3 and the second light-emitting diode D6 consist of, for the voltage of controlling LED cells D 0, the collector electrode of this second phototriode IC3 connects the BP pin of control chip IC1, and emitter connects the FB pin of control chip IC1.
Described optical transmission circuit also comprises the 3rd resistance R 1, the first capacitor C 4, the second capacitor C 2, the 3rd capacitor C 1, the second diode D3, the 3rd diode D1, the 4th diode D2 and two inductance L 1, L2, the first capacitor C 4 is connected in parallel with described LED cells D 0, the minus earth of described LED cells D 0; The source electrode of described control chip IC1 is connected with the positive pole of described LED cells D 0 by an inductance L 2; The second diode D3 is connected between the source electrode and ground end of described control chip IC1; The drain electrode of described control chip IC1 is connected to an end of 85-265V alternating current successively by an inductance L 1, the 3rd diode D1 and the 3rd resistance R 1, the second capacitor C 2 is connected between the drain electrode and ground end of described control chip IC1, the 3rd capacitor C 1 is connected between the negative pole and ground end of the 3rd diode D1, the 4th diode D2 hold with being connected in and the other end of 85-265V alternating current between.
Described LED cells D 0 is LED array, and this LED array comprises six LED, and every three LED are connected into one group, then are connected in parallel.
As a kind of preferred, described photocell SD is silicon photocell SD; Above-mentioned optical coupler IC2 is transmission-type infrared light coupler IC2; Above-mentioned the first phototriode IC4, the second phototriode IC3 are respectively infrared receiving tube, and the first light-emitting diode D4, the second light-emitting diode D6 are respectively infrared transmitting tube.
A kind of wall type optical coupling wireless charger of the present utility model, take above-mentioned mobile device as example as mobile phone, utilize the utility model to be cell-phone charging, at this moment, its optical receiving circuit can be installed on mobile phone, perhaps optical receiving circuit be connected with the battery positive and negative electrode of mobile phone.When its optical receiving circuit is installed on mobile phone, shown in Figure 3, part shown in Fig. 3 left side is wall light transmitting terminal, being about to optical transmission circuit is installed on wall, part shown in the right side is the mobile phone optical receiving end, and corresponding the first phototriode IC4 of the numeral 3 of left part in Fig. 3, numeral 2 corresponding optical coupler IC2, numeral 1 corresponding LED cells D 0, the corresponding photocell SD of the numeral 4 that in Fig. 3, the right side is divided, the corresponding charging receiving terminal circuit of numeral 5, numeral 6 corresponding battery of mobile phone E, numeral 7 corresponding the first light-emitting diode D4.
During charging, mobile phone is inserted the light transmitting terminal of wall, be about to mobile phone and insert optical coupler IC2, utilize mobile phone that the infrared ray of optical coupler IC2 is stopped, the FB pin of control chip IC1 becomes low level, and control chip IC1 is started, LED cells D 0 is lighted, simultaneously, photocell SD begins to receive light, makes battery of mobile phone E begin charging.At the charging initial stage, the voltage of battery of mobile phone E is lower, and the first light-emitting diode D4 does not work, and the first phototriode IC4 is in cut-off state.Along with the rising of battery of mobile phone E voltage, the first light-emitting diode D4 is lit, and the charge rate of battery of mobile phone E is slack-off.When battery of mobile phone E is full of, the voltage of battery of mobile phone E rises to stable state, simultaneously, the first light-emitting diode D4 is lighted fully, the first complete conducting of phototriode IC4, the FB pin of control chip IC1 becomes high level, and control chip IC1 is closed, LED cells D 0 is extinguished, and battery of mobile phone E completes charging process.
A kind of wall type optical coupling wireless charger of the present utility model, it can also be used to other mobile devices, chargings such as PDA, portable navigation device, notebook computer except the battery charging that can be used to mobile phone.
A kind of mobile phone of the present utility model, this mobile phone is equipped with the optical receiving circuit of wall type optical coupling wireless charger as above, the optical transmission circuit of this optical receiving circuit and wall type optical coupling wireless charger as above forms supporting, and the output of this optical receiving circuit is connected with the positive and negative level of battery of mobile phone E.
A kind of mobile phone of the present utility model, its optical receiving circuit can be built in mobile phone, also optical receiving circuit can be integrally formed at the bonnet of mobile phone, be used for replacing the former bonnet of mobile phone, perhaps, also optical receiving circuit and battery of mobile phone can be made of one electrochemical cell, be used for replacing original battery of mobile phone.
Above-described embodiment only is used for further illustrating a kind of wall type optical coupling wireless charger of the present utility model and mobile phone; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (10)
1. a wall type optical coupling wireless charger, is characterized in that: the optical receiving circuit that comprises the optical transmission circuit that adopts the 85-265V AC-powered and the battery charging that is used to mobile device; Optical transmission circuit comprises LED unit, non-isolated LED control module, optical coupler, and optical coupler is realized starting to non-isolated LED control module and controlled, and the output of non-isolated LED control module connects the positive pole of LED unit; Optical receiving circuit comprises for the light signal that receives the LED unit and light signal is converted to the photocell of electric energy, and the output of this optical receiving circuit consists of the charging link of the battery of mobile device.
2. wall type optical coupling wireless charger according to claim 1, it is characterized in that: described non-isolated LED control module comprises by 85-265V AC-powered and chip model being control chip and the shunt capacitance of LNK306; The emitter of described optical coupler connects the FB pin of control chip, and the collector electrode of described optical coupler connects the BP pin of control chip, and the collector electrode of described optical coupler also connects its positive pole by a resistance, the minus earth of described optical coupler; Shunt capacitance is connected between the BP pin and its source electrode of control chip, and the drain electrode of control chip connects an end of 85-265V alternating current, and the source electrode of control chip connects the positive pole of described LED unit.
3. wall type optical coupling wireless charger according to claim 2, it is characterized in that: described optical receiving circuit also comprises the first light-emitting diode, the first voltage stabilizing didoe, the first resistance and the first the diode whether battery for detection of mobile device is full of, and described optical transmission circuit also comprises for the first phototriode that uses with the first light-emitting diode pairing; The collector electrode of the first phototriode connects the BP pin of described control chip, and the emitter of the first phototriode connects the FB pin of described control chip; The first light-emitting diode and the first resistance are connected in parallel, and be serially connected in a branch road with the first zener diode, this branch road and described photocell are connected in parallel, described photocell also is connected in series with the first diode, and the negative pole of this first diode consists of one of them output of described optical receiving circuit, be used for being connected with the positive pole of the battery of mobile device, described photronic anodal another output that consists of described optical receiving circuit is used for being connected with the negative pole of the battery of mobile device.
4. wall type optical coupling wireless charger according to claim 2, it is characterized in that: described optical transmission circuit also comprises protective circuit of voltage regulation, this protective circuit of voltage regulation comprises the second light-emitting diode, the second phototriode, the second voltage stabilizing didoe and the second resistance, this second light-emitting diode and the second resistance are connected in parallel, and being serially connected in a branch road with the second voltage stabilizing didoe, this branch road and described LED unit are connected in parallel; The collector electrode of the second phototriode connects the BP pin of described control chip; The emitter of the second phototriode connects the FB pin of described control chip.
5. wall type optical coupling wireless charger according to claim 2, it is characterized in that: described optical transmission circuit also comprises the 3rd resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the second diode, the 3rd diode, the 4th diode and two inductance, the first electric capacity and described LED unit are connected in parallel, the minus earth of described LED unit; The source electrode of described control chip is connected with the positive pole of described LED unit by an inductance; The second diode is connected between the source electrode and ground end of described control chip; The drain electrode of described control chip is connected to an end of 85-265V alternating current successively by an inductance, the 3rd diode and the 3rd resistance, the second electric capacity is connected between the drain electrode and ground end of described control chip, the 3rd electric capacity is connected between the negative pole and ground end of the 3rd diode, the 4th diode hold with being connected in and the other end of 85-265V alternating current between.
6. wall type optical coupling wireless charger according to claim 1 is characterized in that: described LED unit is LED array; Described photocell is silicon photocell; Described optical coupler is the infrared light coupler of transmission-type.
7. wall type optical coupling wireless charger according to claim 3, it is characterized in that: described the first phototriode is infrared receiving tube, described the first light-emitting diode is infrared transmitting tube.
8. wall type optical coupling wireless charger according to claim 4, it is characterized in that: described the second phototriode is infrared receiving tube, described the second light-emitting diode is infrared transmitting tube.
9. mobile phone, it is characterized in that: this mobile phone is equipped with the optical receiving circuit as the described wall type optical coupling of any one in claim 1-8 wireless charger, and the output of this optical receiving circuit is connected with the positive and negative level of battery of mobile phone.
10. mobile phone according to claim 9, it is characterized in that: described optical receiving circuit is located at the bonnet of described mobile phone, and perhaps, the battery of described optical receiving circuit and described mobile phone is made as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203279332U CN203278369U (en) | 2013-06-07 | 2013-06-07 | Wall type optical coupling wireless charger and handset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203279332U CN203278369U (en) | 2013-06-07 | 2013-06-07 | Wall type optical coupling wireless charger and handset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278369U true CN203278369U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203279332U Expired - Fee Related CN203278369U (en) | 2013-06-07 | 2013-06-07 | Wall type optical coupling wireless charger and handset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278369U (en) |
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2013
- 2013-06-07 CN CN2013203279332U patent/CN203278369U/en not_active Expired - Fee Related
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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: 20131106 Termination date: 20150607 |
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| EXPY | Termination of patent right or utility model |