CN203301194U - Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone - Google Patents
Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone Download PDFInfo
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- CN203301194U CN203301194U CN2013203279347U CN201320327934U CN203301194U CN 203301194 U CN203301194 U CN 203301194U CN 2013203279347 U CN2013203279347 U CN 2013203279347U CN 201320327934 U CN201320327934 U CN 201320327934U CN 203301194 U CN203301194 U CN 203301194U
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Abstract
The utility model discloses a vehicle-mounted optical coupling wireless charger, a charging transmitting device, a charging receiving device and a cellphone. The vehicle-mounted optical coupling wireless charger comprises a vehicle-mounted light transmitting circuit and a vehicle-mounted light receiving circuit, wherein the light transmitting circuit comprises an LED (Light-Emitting Diode) unit, an LED power driving module and an optical coupler; the collector of the optical coupler is connected to the charging start control end of the LED power driving module; the voltage control end of the LED power driving module is connected to the anode of the LED unit; the light receiving circuit comprises a photocell which is used for receiving the optical signal of the LED unit and converting the optical signal into electric power; the output of the optical receiving circuit serves as the charging connection end of the battery of a mobile device. The application of the vehicle-mounted optical coupling wireless charger comprises a charging transmitting device, a charging receiving device and a cellphone. The vehicle-mounted optical coupling wireless charger is capable of converting optical energy into electric energy by means of the LED unit and the photocell and realizing charging control by means of the optical coupler and the LED power driving module, and has the characteristics of wireless charging, no electromagnetic radiation, simple circuit structure, convenient integration and the like.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of vehicular optical coupling wireless charger and charging emitter, charging receiver and mobile phone.
Background technology
Existing Vehicular 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 mainly to carry out power conversion by magnetic field.Obviously, above-mentioned two kinds of Vehicular 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, while particularly magnetic Field Coupling being in to 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 vehicular optical coupling wireless charger and charging emitter, charging receiver and mobile phone are provided, it mainly utilizes LED and photocell to carry out power conversion, in transfer process without 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 vehicular optical coupling wireless charger, the optical receiving circuit that comprises the optical transmission circuit that adopts the vehicle power power supply and the battery charging that is used to mobile device, optical transmission circuit comprises LED unit, LED electric power driving module, optical coupler, the collector electrode of optical coupler connects the charge initiation control end of LED electric power driving module, the positive pole of the voltage control termination LED unit of LED electric power driving module; Optical receiving circuit comprises be used to 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 forms the charging link of the battery of mobile device.
Described LED electric power driving module comprises that by vehicle power power supply and chip model be power management chip and the power tube of BQ2057, the TS pin of power management chip forms the charge initiation control end of LED electric power driving module, and be connected with the collector electrode of described optical coupler, the BAT pin of power management chip forms the voltage controling end of LED electric power driving module, and connects the positive pole of described LED unit; Power tube and described LED units in series are connected between the two ends of vehicle power, and the CC pin of power management chip is connected with the control end of power tube.
Described radiating circuit also comprises phototriode, and described optical receiving circuit also comprises light-emitting diode, voltage stabilizing didoe and resistance; The collector electrode of phototriode connects described charge initiation control end, the grounded emitter of phototriode; Light-emitting diode and resistance are connected in parallel, and be serially connected in a branch road with zener diode, this branch road and described photocell are connected in parallel, described photocell also is connected in series with a diode, and the negative pole of this diode forms one of them output of described optical receiving circuit, for with the positive pole of the battery of mobile device, being connected, described photronic anodal another output that forms described optical receiving circuit, be connected for the negative pole of the battery with mobile device.
Described optical transmission circuit also comprises the dual-colored LED that is used to indicate charged state, the public connecting end of this dual-colored LED is connected to the STAT pin of described power management chip, the positive pole of a wherein LED of this dual-colored LED connects the positive pole of vehicle power by a resistance, the positive pole of a wherein LED of this dual-colored LED is also by a grounding through resistance; The negative pole of another LED of this dual-colored LED is by a grounding through resistance.
Described power tube is field effect transistor, and the source electrode of this field effect transistor connects the positive pole of vehicle power, and the grid of field effect transistor connects the CC pin of power management chip, and the drain electrode of field effect transistor connects the positive pole of described LED unit.
Described optical transmission circuit also comprises some resistance, two electric capacity and a diode, the VCC pin of described power management chip connects the positive pole of vehicle power by diode, the source electrode of described field effect transistor and grid connect respectively the negative pole of this diode by a resistance, the positive pole of described optical coupler is connected to the negative pole of this diode by a resistance, the negative pole of described optical coupler and emitter be ground connection respectively; The BAT pin of described power management chip is connected with the positive pole of described LED unit by a resistance, and the BAT pin of described power management chip is also by a grounding through resistance; The COMP pin of described power management chip is connected with its TS pin by a resistance, and the COMP pin of described power management chip also is connected to the negative pole of diode; The TS pin of described power management chip is also by a grounding through resistance; The VCC pin of the described power management chip of a termination of an electric capacity wherein, the other end ground connection of this electric capacity; The positive pole of the described LED of the one termination unit of another electric capacity, an end ground connection of this another electric capacity.
Described LED unit is LED array, the minus earth of this LED array; Described photocell is silicon photocell; Described optical coupler is transmission-type infrared light coupler; Described phototriode is infrared receiving tube, and described light-emitting diode is infrared transmitting tube.
A kind of charging emitter, comprise the optical transmission circuit of launching body and vehicular optical coupling wireless charger as above, and this this optical transmission circuit is installed on the emission body.
A kind of charging receiver, comprise the optical receiving circuit that receives body and vehicular optical coupling wireless charger as above, this optical receiving circuit is installed on the reception body, this reception body has the inserted terminal that is connected for the battery charging inlet with mobile device, and this inserted terminal forms the output of described optical receiving circuit.
A kind of mobile phone, this mobile phone are equipped with the optical receiving circuit of vehicular 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.
the beneficial effects of the utility model are: the utility model mainly adopts the LED unit, the LED electric power driving module, optical coupler forms optical transmission circuit, the main photocell that adopts forms optical receiving circuit, utilize LED unit and photocell that light energy conversion is to electric energy, utilize optical coupler and LED electric power driving module to realize charging control, thereby, the utility model is compared with the Vehicular charger of prior art, it has can realize wireless charging, save magnetic element, there do not is electromagnetic radiation, circuit structure is simple, be convenient to integrated and miniaturization, facilitate the characteristics such as design and installation, the utility model provides a kind of approach of wireless charging for the battery charging of mobile device, make mobile device user can utilize vehicle power to carry out charging wireless, electromagnetic-radiation-free to its mobile device.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of vehicular optical coupling wireless charger of the present utility model and charging emitter, charging receiver and mobile phone are not limited to embodiment.
The accompanying drawing explanation
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, refer to Fig. 1, shown in Figure 2, a kind of vehicular optical coupling wireless charger of the present utility model, comprise the optical receiving circuit that the optical transmission circuit that adopts the vehicle power power supply and the battery that is used to mobile device charge, here, mobile device is take mobile phone as example.Optical transmission circuit comprises LED cells D 0, LED electric power driving module, optical coupler U2, and the collector electrode of optical coupler U2 connects the charge initiation control end of LED electric power driving module, the positive pole of the voltage control termination LED cells D 0 of LED electric power driving module; Optical receiving circuit comprises be used to 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 forms the charging link of 4.3 volts of battery E of mobile phone.
As a kind of preferred, above-mentioned LED electric power driving module comprises power management chip U1 and power tube, and the chip model of power management chip U1 is BQ2057, and the function of its each pin is: the VCC pin is power end; The TS pin is the temperature detection end, for charge initiation, controls herein, and forms the charge initiation control end of LED electric power driving module; The STAT pin is the charged state end, and the VSS pin is power supply ground end, and the CC pin is the charging control output end, and the COMP pin is charge rate compensation end, with following phototriode, light-emitting diode, coordinates, be used to controlling charge rate; The SNS pin is the charging current test side; The BAT pin is lithium ion battery voltage input, herein be used to forming the voltage controling end of LED electric power driving module.The BAT pin of power management chip U1 connects the positive pole of above-mentioned LED cells D 0; Power tube and LED units in series are connected between the two ends of vehicle power U1, and the CC pin of power management chip U1 is connected with the control end of power tube.As a kind of preferred, power tube adopts field effect transistor Q1(certain, this power tube also can adopt triode to realize), specifically, the source electrode of this field effect transistor Q1 connects the positive pole of vehicle power, the grid of field effect transistor Q1 connects the CC pin of power management chip U1, and the drain electrode of field effect transistor Q1 connects the positive pole of LED cells D 0.
Above-mentioned optical transmission circuit also comprises a phototriode U3, above-mentioned optical receiving circuit also comprises a light-emitting diode D4, a voltage stabilizing didoe ZD2 and a resistance R 4, and this phototriode U3, light-emitting diode D4, voltage stabilizing didoe ZD2 and resistance R 4 form charging detecting circuit.The collector electrode of phototriode U3 connects above-mentioned charge initiation control end (being the TS pin of power management chip U1), the grounded emitter of phototriode U3; Light-emitting diode D4 and resistance R 4 are connected in parallel, and be serially connected in a branch road with zener diode ZD2, this branch road and photocell SD are connected in parallel, above-mentioned photocell SD also is connected in series with a diode D5, the negative pole of this diode D5 forms one of them output of optical receiving circuit, charge while connecting, this output namely is connected with the positive pole of battery of mobile phone E; The positive pole of above-mentioned photocell SD forms another output of optical receiving circuit, charges while connecting, and this another output is connected with the negative pole of battery of mobile phone E.
As a kind of preferred, above-mentioned optical transmission circuit also comprises the dual-colored LED D2 that is used to indicate charged state, the public connecting end of this dual-colored LED D2 is connected to the STAT pin of power management chip U1, the positive pole of the wherein LED of this dual-colored LED D2 connects the positive pole of vehicle power DC by a resistance R 3, the positive pole of a wherein LED of this dual-colored LED is also by resistance R 4 ground connection; The negative pole of another LED of this dual-colored LED D2 is by resistance R 6 ground connection.
Above-mentioned optical transmission circuit also comprises some resistance, two capacitor C 1, C2 and a diode D1, the VCC pin of above-mentioned power management chip U1 connects the positive pole of vehicle power DC by diode D1, the source electrode of above-mentioned field effect transistor Q1 and grid connect respectively the negative pole of this diode D1 by a resistance R 1/R2, the positive pole of above-mentioned optical coupler U2 is connected to the negative pole of this diode D1 by a resistance R 8, the negative pole of optical coupler U2 and emitter be ground connection respectively; The BAT pin of power management chip U1 is connected with the positive pole of LED cells D 0 by a resistance R 9, and the BAT pin of power management chip U1 is also by resistance R 10 ground connection; The COMP pin of power management chip U1 is connected with its TS pin by a resistance R 5, and the COMP pin of power management chip U1 also is connected to the negative pole of diode D1; The TS pin of power management chip U1 is also by resistance R 7 ground connection; The VCC pin of a termination power managing chip U1 of a capacitor C 1 wherein, the other end ground connection of this capacitor C 1; The positive pole of one termination LED cells D 0 of another capacitor C 2, an end ground connection of this another capacitor C 2.
Above-mentioned LED cells D 0 is LED array, comprises four LED, and every two LED are connected into one group, then are connected in parallel; The minus earth of this LED array.
As a kind of preferred, above-mentioned photocell SD is silicon photocell; Above-mentioned optical coupler U2 is transmission-type infrared light coupler U2; Above-mentioned phototriode U3 is infrared receiving tube, and light-emitting diode D4 is infrared transmitting tube.
A kind of vehicular optical coupling wireless charger of the present utility model, when its optical receiving circuit is installed on to mobile phone, shown in Figure 3, part shown in Fig. 3 left side is vehicle-mounted smooth transmitting terminal, part shown in right side is the mobile phone optical receiving end, and the corresponding phototriode U3 of the numeral 3 of left part in Fig. 3, numeral 2 corresponding optical coupler U2, numeral 1 corresponding LED unit, the vehicle-mounted dateline of borrowing of numeral 4 expressions, for the vehicle-mounted general-purpose interface of 12V direct current is provided, optical transmission circuit is connected to this vehicle-mounted dateline of borrowing, can obtain vehicle power; Fig. 3 is merely able to the corresponding photocell SD of numeral 5 of right side part, the corresponding charging receiving terminal circuit of numeral 6, numeral 7 corresponding battery of mobile phone E, digital 8 respective leds D4.
During charging, mobile phone is inserted to vehicle-mounted light transmitting terminal, be about to mobile phone and insert optical coupler U2, utilize mobile phone by the blocking-up of the infrared ray of optical coupler U2, the TS pin of power management chip U1 becomes high level, and power management chip U1 is started, the wherein LED of LED cells D 0 and dual-colored LED D2 is lit, simultaneously, photocell SD starts to receive light, makes battery of mobile phone E start charging.At the charging initial stage, the voltage of battery of mobile phone E is lower, and light-emitting diode D4 does not work, and phototriode U3 cut-off, make the TS pin of power management chip U1 and COMP pin be respectively high level, and battery of mobile phone E is in quick-charge state.Along with the rising of battery of mobile phone E voltage, 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, light-emitting diode D4 is lit fully, the complete conducting of phototriode U3, the TS pin of power management chip U1 becomes low level, power management chip U1 is closed, and LED cells D 0 is extinguished, and the wherein LED of dual-colored LED D2 extinguishes, change another LED and be lit, battery of mobile phone E completes charging process.
A kind of vehicular optical coupling wireless charger of the present utility model, it is except can, be used to providing the mobile phone charging, charging be used to other mobile device (such as PDA, Portable GPS navigator, notebook computer etc.) is provided.
A kind of charging emitter of the present utility model, comprise the optical transmission circuit of launching body and vehicular optical coupling wireless charger as above, and the optical receiving circuit of this optical transmission circuit and vehicular optical coupling wireless charger as above forms supporting; This optical transmission circuit is installed on the emission body.
A kind of charging receiver of the present utility model, comprise the optical receiving circuit that receives body and vehicular optical coupling wireless charger as above, and the optical transmission circuit of this optical receiving circuit and vehicular optical coupling wireless charger as above forms supporting; Optical receiving circuit is installed on the reception body, and this reception body has the inserted terminal that is connected for the battery charging inlet with mobile device, and this inserted terminal forms the output of optical receiving circuit.
A kind of mobile phone of the present utility model, this mobile phone is equipped with the optical receiving circuit of vehicular optical coupling wireless charger as above, the optical transmission circuit of this optical receiving circuit and vehicular 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 to the bonnet of mobile phone, for replacing the former bonnet of mobile phone, perhaps, also optical receiving circuit and battery of mobile phone can be made of one to electrochemical cell, be used to replacing original battery of mobile phone.
Above-described embodiment only is used for further illustrating a kind of vehicular optical coupling wireless charger of the present utility model and charging emitter, charging receiver and mobile phone; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model, to any simple modification, equivalent variations and modification that above embodiment does, all falls in the protection range of technical solutions of the utility model.
Claims (10)
1. vehicular optical coupling wireless charger, it is characterized in that: the optical receiving circuit that comprises the optical transmission circuit that adopts the vehicle power power supply and the battery charging that is used to mobile device, optical transmission circuit comprises LED unit, LED electric power driving module, optical coupler, the collector electrode of optical coupler connects the charge initiation control end of LED electric power driving module, the positive pole of the voltage control termination LED unit of LED electric power driving module; Optical receiving circuit comprises be used to 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 forms the charging link of the battery of mobile device.
2. vehicular optical coupling wireless charger according to claim 1, it is characterized in that: described LED electric power driving module comprises that by vehicle power power supply and chip model be power management chip and the power tube of BQ2057, the TS pin of power management chip forms the charge initiation control end of LED electric power driving module, and be connected with the collector electrode of described optical coupler, the BAT pin of power management chip forms the voltage controling end of LED electric power driving module, and connects the positive pole of described LED unit; Power tube and described LED units in series are connected between the two ends of vehicle power, and the CC pin of power management chip is connected with the control end of power tube.
3. vehicular optical coupling wireless charger according to claim 2, it is characterized in that: described radiating circuit also comprises phototriode, described optical receiving circuit also comprises light-emitting diode, voltage stabilizing didoe and resistance; The collector electrode of phototriode connects described charge initiation control end, the grounded emitter of phototriode; Light-emitting diode and resistance are connected in parallel, and be serially connected in a branch road with zener diode, this branch road and described photocell are connected in parallel, described photocell also is connected in series with a diode, and the negative pole of this diode forms one of them output of described optical receiving circuit, for with the positive pole of the battery of mobile device, being connected, described photronic anodal another output that forms described optical receiving circuit, be connected for the negative pole of the battery with mobile device.
4. vehicular optical coupling wireless charger according to claim 2, it is characterized in that: described optical transmission circuit also comprises the dual-colored LED that is used to indicate charged state, the public connecting end of this dual-colored LED is connected to the STAT pin of described power management chip, the positive pole of a wherein LED of this dual-colored LED connects the positive pole of vehicle power by a resistance, the positive pole of a wherein LED of this dual-colored LED is also by a grounding through resistance; The negative pole of another LED of this dual-colored LED is by a grounding through resistance.
5. vehicular optical coupling wireless charger according to claim 2, it is characterized in that: described power tube is field effect transistor, the source electrode of this field effect transistor connects the positive pole of vehicle power, the grid of field effect transistor connects the CC pin of power management chip, and the drain electrode of field effect transistor connects the positive pole of described LED unit.
6. vehicular optical coupling wireless charger according to claim 5, it is characterized in that: described optical transmission circuit also comprises some resistance, two electric capacity and a diode, the VCC pin of described power management chip connects the positive pole of vehicle power by diode, the source electrode of described field effect transistor and grid connect respectively the negative pole of this diode by a resistance, the positive pole of described optical coupler is connected to the negative pole of this diode by a resistance, the negative pole of described optical coupler and emitter be ground connection respectively; The BAT pin of described power management chip is connected with the positive pole of described LED unit by a resistance, and the BAT pin of described power management chip is also by a grounding through resistance; The COMP pin of described power management chip is connected with its TS pin by a resistance, and the COMP pin of described power management chip also is connected to the negative pole of diode; The TS pin of described power management chip is also by a grounding through resistance; The VCC pin of the described power management chip of a termination of an electric capacity wherein, the other end ground connection of this electric capacity; The positive pole of the described LED of the one termination unit of another electric capacity, an end ground connection of this another electric capacity.
7. vehicular optical coupling wireless charger according to claim 3, it is characterized in that: described LED unit is LED array, the minus earth of this LED array; Described photocell is silicon photocell; Described optical coupler is transmission-type infrared light coupler; Described phototriode is infrared receiving tube, and described light-emitting diode is infrared transmitting tube.
8. charging emitter is characterized in that: comprise the emission body and as the optical transmission circuit of the described vehicular optical coupling of claim 1-7 any one wireless charger, this this optical transmission circuit is installed on the emission body.
9. charging receiver, it is characterized in that: comprise receiving body and as the optical receiving circuit of the described vehicular optical coupling of any one in claim 1-7 wireless charger, this optical receiving circuit is installed on the reception body, this reception body has the inserted terminal that is connected for the battery charging inlet with mobile device, and this inserted terminal forms the output of described optical receiving circuit.
10. mobile phone, it is characterized in that: this mobile phone is equipped with the optical receiving circuit as the described vehicular optical coupling of any one in claim 1-7 wireless charger, and the output of this optical receiving circuit is connected with the positive and negative level of battery of mobile phone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203279347U CN203301194U (en) | 2013-06-07 | 2013-06-07 | Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone |
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| CN2013203279347U CN203301194U (en) | 2013-06-07 | 2013-06-07 | Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone |
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| CN107979189B (en) * | 2016-02-26 | 2019-09-03 | 李江河 | Suspension contactless charging device |
| CN105656219A (en) * | 2016-02-26 | 2016-06-08 | 王宝根 | Non-contact charging assembly |
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