CN203056659U - Wireless charger based on single-chip microcomputer - Google Patents
Wireless charger based on single-chip microcomputer Download PDFInfo
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- CN203056659U CN203056659U CN2012206649623U CN201220664962U CN203056659U CN 203056659 U CN203056659 U CN 203056659U CN 2012206649623 U CN2012206649623 U CN 2012206649623U CN 201220664962 U CN201220664962 U CN 201220664962U CN 203056659 U CN203056659 U CN 203056659U
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- circuit
- voltage stabilizing
- charging
- wireless charger
- chip microcomputer
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Abstract
The utility model discloses a wireless charger based on a single-chip microcomputer. A transmission circuit comprises a power supply management module, a power conversion module and a transmitting coil, which are orderly connected, and a reception circuit comprise a receiving coil and a charging circuit, which are in order connection. The single-chip microcomputer is connected on the charging circuit. The single-chip microcomputer monitors work voltage on a real time basis and gives more intelligent determination and command. Different charging power sources can be selected according to different situation, and charging mode is more flexible. A constant current charging mode is employed. Charging current is determined according to the capacity of a cell, and the charging quantity and charging time can be directly calculated and determined.
Description
Technical field
The utility model relates to charger, specifically, is based on the wireless charger of single-chip microcomputer.
Background technology
The fast development of electronic technology makes various electronic products all develop towards portable and direction miniaturization and, also makes more electrified product adopt the electric power system based on battery.At present, the battery of more use has NI-G, ni-mh, lead accumulator and lithium battery.Their characteristics have separately determined that they will coexistence development in quite long period.Because the charge characteristic difference of dissimilar batteries, usually to dissimilar, the battery of even not same voltage, capacitance grade uses different chargers, but this has inconvenience in actual use.And present charger also type is various, but can not automatically adjust according to actual charge condition mostly, easily battery is caused damage.
The utility model content
The purpose of this utility model is to provide SCM Based wireless charger, can realize wireless charging, and the voltage in the real-time observation circuit, control charging process, protection battery.
The utility model is achieved through the following technical solutions: SCM Based wireless charger, the radiating circuit and the receiving circuit that comprise wireless connections, described radiating circuit comprises power management module, power conversion module and the transmitting coil that links to each other successively, described receiving circuit comprises receiving coil and the charging circuit that links to each other successively, also is connected with single-chip microcomputer on charging circuit.The MSP430 single-chip microcomputer that described single-chip microcomputer is produced for TI company.
Described charging circuit comprises voltage stabilizing rectification circuit and constant current charge circuit.The electric energy that the voltage stabilizing rectification circuit can receive receiving coil carries out the voltage adjustment, makes to fill the charging process working stability; The constant current charge circuit can be determined charging current according to the capacity of battery, and battery is protected.
Described voltage stabilizing rectification circuit comprises bridge circuit and voltage stabilizing didoe in parallel, between bridge circuit and voltage stabilizing didoe, also be connected with resistance, between bridge circuit and resistance, be connected with capacitor C 1, the positive pole of capacitor C 1 links to each other with resistance with bridge circuit, the minus earth of capacitor C 1, voltage stabilizing didoe also is parallel with capacitor C 2, and the negative pole of capacitor C 2 links to each other with the positive pole of voltage stabilizing didoe.
Also be connected with current changeover switch on the described constant current charge circuit.The bridge circuit that described bridge circuit is made up of four 1N4148 diodes, simple in structure, rectification effect is good.
Described power management module comprises power change-over switch, 7812 voltage stabilizing circuits and 7805 voltage stabilizing circuits that connect successively, and described power change-over switch is hilted broadsword double-gate switch, and is connected with AC power and DC power supply.The utility model can arbitrarily switch charge power supply according to different situations.
Described power conversion module comprises oscillation signal generator, also is parallel with tuned power amplifier between power management module and oscillation signal generator.
On described single-chip microcomputer, also be connected with display.The user can observe the working condition of charger more intuitively by display.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is provided with single-chip microcomputer, can monitor and make more intelligent judgement and order in real time to the voltage in the work.
(2) the utility model can be selected different charge power supplies according to different situations, and charging modes is more flexible.
(3) the utility model adopts the constant current charge mode, can determine charging current according to the capacity of battery, directly calculates charge volume and determines the charging deadline.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the circuit diagram of power management module.
Fig. 3 is the circuit diagram of charging 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:
The utility model structure as shown in Figure 1, the radiating circuit and the receiving circuit that comprise wireless connections, described radiating circuit comprises power management module, power conversion module and the transmitting coil that links to each other successively, described receiving circuit comprises receiving coil and the charging circuit that links to each other successively, also is connected with single-chip microcomputer on charging circuit.Described single-chip microcomputer is the low-down single-chip microcomputer of a kind of power consumption for the MSP430 single-chip microcomputer that TI company produces, and is fit to very much do the microcontroller of charger.
When the utility model was worked, according to the difference of actual conditions, the user can do selection by the power change-over switch in the power management module between AC power and DC power supply.After electric current entered power management module, power management module carried out rectification and voltage stabilizing to it, and the structure of power management module as shown in Figure 2.
Electric current ingoing power conversion module then, the power conversion module comprises oscillation signal generator, between power management module and oscillation signal generator, also be parallel with tuned power amplifier, oscillation signal generator and tuned power amplifier amplify power and the frequency of electric energy, enable to be received circuit and receive.
After receiving circuit received the signal of telecommunication, the voltage stabilizing rectification circuit carried out voltage stabilizing and rectification to it, and voltage and current is stable in the holding circuit.Single-chip microcomputer detects the working condition in the charging circuit, and the current changeover switch in the control constant current charge circuit, adjusts the electric current in the charging circuit, and battery is protected.The structure of charging circuit as shown in Figure 3.
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. SCM Based wireless charger, the radiating circuit and the receiving circuit that comprise wireless connections, it is characterized in that: described radiating circuit comprises power management module, power conversion module and the transmitting coil that links to each other successively, described receiving circuit comprises receiving coil and the charging circuit that links to each other successively, also is connected with single-chip microcomputer on charging circuit.
2. SCM Based wireless charger according to claim 1, it is characterized in that: described charging circuit comprises voltage stabilizing rectification circuit and constant current charge circuit.
3. SCM Based wireless charger according to claim 2, it is characterized in that: described voltage stabilizing rectification circuit comprises bridge circuit and voltage stabilizing didoe in parallel, between bridge circuit and voltage stabilizing didoe, also be connected with resistance, between bridge circuit and resistance, be connected with capacitor C 1, the positive pole of capacitor C 1 links to each other with resistance with bridge circuit, the minus earth of capacitor C 1, voltage stabilizing didoe also is parallel with capacitor C 2, the positive pole of C2 links to each other with the negative pole of voltage stabilizing didoe, and the negative pole of capacitor C 2 links to each other with the positive pole of voltage stabilizing didoe.
4. SCM Based wireless charger according to claim 2 is characterized in that: also be connected with current changeover switch on the described constant current charge circuit.
5. SCM Based wireless charger according to claim 1, it is characterized in that: described power management module comprises power change-over switch, 7812 voltage stabilizing circuits and 7805 voltage stabilizing circuits that connect successively, described power change-over switch is hilted broadsword double-gate switch, and is connected with AC power and DC power supply.
6. SCM Based wireless charger according to claim 1, it is characterized in that: described power conversion module comprises oscillation signal generator, also is parallel with tuned power amplifier between power management module and oscillation signal generator.
7. SCM Based wireless charger according to claim 1 is characterized in that: also be connected with display on described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206649623U CN203056659U (en) | 2012-12-06 | 2012-12-06 | Wireless charger based on single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206649623U CN203056659U (en) | 2012-12-06 | 2012-12-06 | Wireless charger based on single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203056659U true CN203056659U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206649623U Expired - Fee Related CN203056659U (en) | 2012-12-06 | 2012-12-06 | Wireless charger based on single-chip microcomputer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203056659U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896419A (en) * | 2014-04-09 | 2014-07-02 | 浙江沁园水处理科技有限公司 | Water purifier device with wireless charging function |
| CN105464144A (en) * | 2015-12-24 | 2016-04-06 | 上海华魏光纤传感技术有限公司 | Intelligent well cover monitoring system used for monitoring well cover locking state |
| CN106936189A (en) * | 2017-04-14 | 2017-07-07 | 特斯联（北京）科技有限公司 | A kind of non-contact power charging system |
| CN106951281A (en) * | 2017-03-03 | 2017-07-14 | 联想(北京)有限公司 | The mode switching method of a kind of electronic equipment and electronic equipment |
| WO2018157371A1 (en) * | 2017-03-03 | 2018-09-07 | 小天才科技有限公司 | Non-contact charging device |
-
2012
- 2012-12-06 CN CN2012206649623U patent/CN203056659U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896419A (en) * | 2014-04-09 | 2014-07-02 | 浙江沁园水处理科技有限公司 | Water purifier device with wireless charging function |
| CN105464144A (en) * | 2015-12-24 | 2016-04-06 | 上海华魏光纤传感技术有限公司 | Intelligent well cover monitoring system used for monitoring well cover locking state |
| CN106951281A (en) * | 2017-03-03 | 2017-07-14 | 联想(北京)有限公司 | The mode switching method of a kind of electronic equipment and electronic equipment |
| WO2018157371A1 (en) * | 2017-03-03 | 2018-09-07 | 小天才科技有限公司 | Non-contact charging device |
| CN106951281B (en) * | 2017-03-03 | 2020-07-24 | 联想(北京)有限公司 | Electronic equipment and mode switching method thereof |
| CN106936189A (en) * | 2017-04-14 | 2017-07-07 | 特斯联（北京）科技有限公司 | A kind of non-contact power 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 |