CN202333932U - ZIGBEE based energy-saving intelligent wireless charging device - Google Patents
ZIGBEE based energy-saving intelligent wireless charging device Download PDFInfo
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- CN202333932U CN202333932U CN2011204601165U CN201120460116U CN202333932U CN 202333932 U CN202333932 U CN 202333932U CN 2011204601165 U CN2011204601165 U CN 2011204601165U CN 201120460116 U CN201120460116 U CN 201120460116U CN 202333932 U CN202333932 U CN 202333932U
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Abstract
The utility model discloses a ZIGBEE based energy-saving intelligent wireless charging device, which comprises an emitting unit and a receiving unit, wherein the emitting unit includes an emitting-end Alternating Current (AC)-Direct Current (DC) converting module; the emitting-end AC-DC converting module supplies power for an emitting-end single chip and a first ZIGBEE module which are connected with each other; the emitting-end single chip is connected with a relay; the relay is orderly connected with a high-frequency electromagnetic wave generating module and an emitting coil; the receiving unit includes a receiving coil and a receiving-end AC-DC converting module which are connected with each other; the receiving end AC-DC converting module supplies power for a receiving-end single chip and a second ZIGBEE module which are connected with each other; the receiving-end single chip is orderly connected with a battery charging module, a charging circuit and a battery protecting module; the energy-saving intelligent wireless charging device further comprises the battery protecting module; and the first ZIGBEE module is connected with the second ZIGBEE module in a wirelessly communicating manner. The ZIGBEE based energy-saving intelligent wireless charging device disclosed by the utility model can realize charging in a wide voltage range, and also can prevent overcharge of the battery.
Description
Technical field
The utility model relates to the charging device technical field of electronic product, is specifically related to a kind of energy-conserving intelligent wireless charging device based on ZIGBEE.
Background technology
Along with science and technology development, the kind of the electronic product that people use is more and more, but is mobile phone; MP3; The words of notebook computer need different chargers, make troubles not only for daily life, and the plug that repeats damage electronic product and charger easily.
In order to address this is that, the non-contact type wireless charger has appearred, also be called wireless charger; It is compared with traditional charger, has not had wired plug, and it adopts electromagnetic induction principle; Realize the transmission of energy through coil; Wireless charger generally is made up of transmitting terminal and receiving terminal, and the energy that transmitting terminal produces is delivered to receiving terminal through coil, and battery is charged.
But also there are some shortcomings in present wireless charger, mainly contains: 1, charging modes is single, can only charge to a certain specific voltage; Such as 4.2V lithium battery commonly used; Charges is narrow, and charging modes generally adopts constant voltage charging method, and is not enough to the protection of battery.2, after receiving terminal was accomplished the charging to battery, receiving system stopped battery charge, but transmitting terminal has caused the waste of the energy still at launching electromagnetic wave.When receiving terminal charged, transmitting terminal can accurately not judged the charge condition of a plurality of batteries of receiving terminal as a plurality of equipment that are recharged, and caused certain battery overshoot easily or all dashed electric transmitting terminal to cut off the power supply timely and cause waste of electric energy.
The utility model content
The purpose of the utility model provides a kind of energy-conserving intelligent wireless charging device based on ZIGBEE, can realize the charging process of wide-voltage range, prevent the battery overshoot, and energy loss is little.
The technical scheme that the utility model adopted is that a kind of energy-conserving intelligent wireless charging device based on ZIGBEE is characterized in that; Comprise transmitter unit and receiving element; Transmitter unit comprises the transmitting terminal AC-DC modular converter that is connected with outside 220V power supply, is connected with Voltage stabilizing module, No. two Voltage stabilizing modules and relay on the transmitting terminal AC-DC modular converter, and No. one Voltage stabilizing module is connected with the transmitting terminal single-chip microcomputer; No. two Voltage stabilizing module is connected with a ZIGBEE module; No. one the ZIGBEE module is connected with the transmitting terminal single-chip microcomputer, and the transmitting terminal single-chip microcomputer also is connected with relay, is connected with frequency electromagnetic waves generation module and transmitting coil on the relay in turn;
Receiving element comprises the receiving coil with the transmitting coil wireless connections; Be connected with receiving terminal AC-DC modular converter on the receiving coil; Be connected with No. three Voltage stabilizing modules and No. four Voltage stabilizing modules on the receiving terminal AC-DC modular converter, be connected with the receiving terminal single-chip microcomputer on No. three Voltage stabilizing modules, be connected with No. two the ZIGBEE module on No. four Voltage stabilizing modules; The receiving terminal single-chip microcomputer is connected with No. two ZIGBEE modules; Be connected with battery charging module, charging circuit and battery protection module on the receiving terminal single-chip microcomputer in turn, battery charging module is connected with No. three Voltage stabilizing modules, is connected with state detection module between charging circuit and the receiving terminal single-chip microcomputer; No. one ZIGBEE module 1-4 is connected with No. two ZIGBEE module 2-9 wireless telecommunications.
Further; Battery charging module comprises the resistance R 11 that is connected with the receiving terminal single-chip microcomputer; The other end of resistance R 11 is connected with the anode of diode D6 and the anode of capacitor C 20; The negative electrode of the negative electrode of said diode D6 and capacitor C 20 all is connected the input of optocoupler U4, and the output of said optocoupler U4 is connected with the buck translation circuit;
The buck translation circuit comprises resistance R 8, resistance R 12 and FET Q3; The grid of one end of said resistance R 8, an end of resistance R 12 and FET Q3 all is connected with the output of optocoupler U4; The drain electrode of the other end of resistance R 8 and FET Q3 all is connected with Voltage stabilizing module; The other end of resistance R 12 is an earth terminal; The source electrode of FET Q3 is connected with an end of inductance L 5 and the negative electrode of diode D5; The negative electrode of the anode of diode D5 and capacitor C 18 and an end of the resistance R 10 back ground connection that is connected, the anode of the other end of inductance L 5, capacitor C 18 and the other end of resistance R 10 all with after the earth terminal of resistance R 12 is connected, are exported as the power supply that is used for being connected with charging circuit.
Further; State detection module comprises resistance R 9, resistance R 14 and operational amplifier, and an end of resistance R 9 is connected with charging circuit, and the other end of resistance R 9 is connected with an end of resistance R 13 and an end of capacitor C 19; The other end of resistance R 13 is connected with an end of resistance 15; The other end of resistance R 15 is an earth terminal, and the other end of capacitor C 19 is connected with the earth terminal of resistance R 15, the voltage detecting output that conduct is connected with the receiving terminal single-chip microcomputer between resistance R 13 and the resistance R 15;
One end of resistance R 14 and the inverting input of operational amplifier all are connected with charging circuit; The other end of resistance R 14 is connected with an end of resistance R 16 and is earth terminal; The other end of resistance R 16 is connected with an end of the in-phase input end of operational amplifier and resistance R 18; The other end of resistance R 18 is connected with the output of operational amplifier, and the current detecting output that is connected with the receiving terminal single-chip microcomputer of conduct.
In the utility model; Transmitter unit produces frequency electromagnetic waves through transmitting coil; After the receiving coil of receiving element receives frequency electromagnetic waves, be the great charging voltage of collection decision use of battery information to charging circuit, produce correspondent voltage through battery charging module charging circuit is charged according to the receiving terminal single-chip microcomputer; The battery protection module is cut off the power supply of charging circuit after detecting the battery charge completion.Simultaneously, information is sent to the ZIGBEE module No. one through No. two ZIGBEE modules, and No. one the ZIGBEE module is sent to the transmitting terminal single-chip microcomputer with information, and the transmitting terminal single-chip microcomputer cuts off Alternating Current Power Supply through relay, and the frequency electromagnetic waves generation module quits work.The utility model can also be provided with a plurality of receiving elements in use, and with the corresponding many group relaies of each receiving element, frequency electromagnetic waves generation module and transmitting coil, can realize carrying out simultaneously the needs of a plurality of battery wireless chargings.Therefore, the utility model can be realized the wide voltage charging of multiple spot, and the rechargeable battery of different voltages can charge simultaneously, and shows charge condition in real time through the ZIGBEE module, can cut off the power supply of electromagnetic emission end automatically after all charging is accomplished, and saves electric energy.
Description of drawings
Fig. 1 is the structured flowchart of the transmitter unit in the utility model;
Fig. 2 is the structured flowchart of the receiving element in the utility model;
Fig. 3 is the circuit diagram of the battery charging module in the utility model;
Fig. 4 is the circuit diagram of the state detection module in the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
As shown in Figure 1, a kind of energy-conserving intelligent wireless charging device based on ZIGBEE of the utility model comprises transmitter unit and receiving element.Transmitter unit comprises the transmitting terminal AC-DC modular converter 1-1 that is connected with outside 220V power supply, is connected with Voltage stabilizing module 1-3, No. two Voltage stabilizing module 1-5 and relay 1-6 on the transmitting terminal AC-DC modular converter 1-1.No. one Voltage stabilizing module 1-3 is connected with transmitting terminal single-chip microcomputer 1-2; No. two Voltage stabilizing module 1-5 is connected with a ZIGBEE module 1-4; No. one ZIGBEE module 1-4 is connected with transmitting terminal single-chip microcomputer 1-2; Transmitting terminal single-chip microcomputer 1-2 also is connected with relay 1-6, is connected with frequency electromagnetic waves generation module 1-7 and transmitting coil 1-8 on the relay 1-6 in turn.
As shown in Figure 2; Receiving element comprises the receiving coil 2-1 with transmitting coil 1-8 wireless connections; Be connected with receiving terminal AC-DC modular converter 2-2 on the receiving coil 2-1; Be connected with No. three Voltage stabilizing module 2-3 and No. four Voltage stabilizing module 2-10 on the receiving terminal AC-DC modular converter 2-2, be connected with receiving terminal single-chip microcomputer 2-4 on No. three Voltage stabilizing module 2-3, be connected with ZIGBEE module 2-9 on No. four Voltage stabilizing module 2-10 No. two; Receiving terminal single-chip microcomputer 2-4 is connected with No. two ZIGBEE module 2-9; Be connected with battery charging module 2-6, charging circuit 2-7 and battery protection module 2-8 on the receiving terminal single-chip microcomputer 2-4 in turn, battery charging module 2-6 is connected with No. three Voltage stabilizing module 2-3, is connected with state detection module 2-5 between charging circuit 2-7 and the receiving terminal single-chip microcomputer 2-4.
No. one ZIGBEE module 1-4 is connected with No. two ZIGBEE module 2-9 wireless telecommunications, and is the IC chip that meets the ZIGBEE communication specification, is mainly used in to realize communicating by letter of transmitter unit and receiving element.
Transmitting terminal AC-DC modular converter 1-1 and receiving terminal AC-DC modular converter 2-2 are the bridge type rectification module.A Voltage stabilizing module 1-3 and No. three Voltage stabilizing module 2-3 are the IC voltage stabilizing chip that output voltage is 5V, and No. two Voltage stabilizing module 1-5 and No. four Voltage stabilizing module 2-10 are the IC voltage stabilizing chip that output voltage is 3.3V.Frequency electromagnetic waves generation module 1-7 is 6 reverse swing door IC chips.Battery protection module 2-8 is the S8261 battery protection ic chip.
As shown in Figure 3; Battery charging module 2-6 comprises the resistance R 11 that is connected with receiving terminal single-chip microcomputer 2-4; The other end of resistance R 11 is connected with the anode of diode D6 and the anode of capacitor C 20; The negative electrode of the negative electrode of diode D6 and capacitor C 20 all is connected the input of optocoupler U4, and the output of optocoupler U4 is connected with the buck translation circuit.
The buck translation circuit comprises resistance R 8, resistance R 12 and FET Q3; The grid of one end of resistance R 8, an end of resistance R 12 and FET Q3 all is connected with the output of optocoupler U4; The drain electrode of the other end of resistance R 8 and FET Q3 all is connected with Voltage stabilizing module 2-3; The other end of resistance R 12 is an earth terminal; The source electrode of FET Q3 is connected with an end of inductance L 5 and the negative electrode of diode D5; The negative electrode of the anode of diode D5 and capacitor C 18 and an end of the resistance R 10 back ground connection that is connected, the anode of the other end of inductance L 5, capacitor C 18 and the other end of resistance R 10 all with after the earth terminal of resistance R 12 is connected, are exported as the power supply that is used for being connected with charging circuit 2-7.
As shown in Figure 4; State detection module 2-5 comprises resistance R 9, resistance R 14 and operational amplifier; One end of resistance R 9 is connected with charging circuit 2-7; The other end of resistance R 9 is connected with an end of resistance R 13 and an end of capacitor C 19, and the other end of resistance R 13 is connected with an end of resistance 15, and the other end of resistance R 15 is an earth terminal; The other end of capacitor C 19 is connected with the earth terminal of resistance R 15, the voltage detecting output that conduct is connected with receiving terminal single-chip microcomputer 2-4 between resistance R 13 and the resistance R 15.One end of resistance R 14 and the inverting input of operational amplifier all are connected with charging circuit 2-7; The other end of resistance R 14 is connected with an end of resistance R 16 and is earth terminal; The other end of resistance R 16 is connected with an end of the in-phase input end of operational amplifier and resistance R 18; The other end of resistance R 18 is connected with the output of operational amplifier, and the current detecting output that is connected with receiving terminal single-chip microcomputer 2-4 of conduct.
The operation principle of the utility model is: in the transmitter unit; Transmitting terminal AC-DC modular converter 1-1 converts the civil power of 220V to 12 to 15V direct voltage; Again through a Voltage stabilizing module 1-3 and No. two Voltage stabilizing module 1-5; Be transformed into transmitting terminal single-chip microcomputer 1-2 and the required voltage of ZIGBEE module 1-4 to voltage respectively, make that transmitting terminal single-chip microcomputer 1-2 and a ZIGBEE module 1-4 can operate as normal.Simultaneously, transmitting terminal AC-DC modular converter 1-1 provides operating voltage for frequency electromagnetic waves generation module 1-7, and frequency electromagnetic waves generation module 1-7 produces frequency electromagnetic waves, and passes energy with form of electromagnetic wave through transmitting coil 1-8.
In the receiving element; After receiving coil 2-1 receives and passes the frequency electromagnetic waves of coming; 2-2 carries out voltage transitions through receiving terminal AC-DC modular converter; The voltage of conversion is transformed into receiving terminal single-chip microcomputer 2-4 and No. two required voltages of ZIGBEE module 2-9 to voltage respectively through No. three Voltage stabilizing module 2-3 and No. four Voltage stabilizing module 2-10.When rechargeable battery is placed on the charging circuit; Lithium cell charging with 4.2V is an example; State detection module 2-5 at first samples to battery; Through gathering the charging current and the voltage of battery, which kind of mode receiving terminal single-chip microcomputer 2-4 decision battery charging module 2-6 adopts charging circuit 2-7 is charged.The battery protection module is cut off the power supply of charging circuit after detecting the battery charge completion.In addition, can also gather battery temperature through the built-in temperature sensor of No. two ZIGBEE module 2-9 self, and be sent among the receiving terminal single-chip microcomputer 2-4.
When charging current and the voltage information that state detection module 2-5 gathers battery, receiving terminal single-chip microcomputer 2-4 information in view of the above changes the duty ratio of PWM pin output, and inserts among the battery charging module 2-6.When the charging voltage of battery is lower than the low threshold voltage of constant voltage charge or constant current charge; The PWM ripple of receiving terminal single-chip microcomputer 2-4 is through getting into the buck translation circuit behind the optocoupler U4; FET Q3 is equivalent to a switch; FET Q3 conducting and diode D5 end during, the voltage of input relies on capacitor C 18 sustaining voltages constant to inductance L 5 intakes; FET Q3 by and diode D5 conducting during, inductance L 5 discharges energy to load resistance R10, the time of FET Q3 conducting is long more, the voltage of resistance R 10 is high more, the time of FET conducting is by the decision of the duty ratio of PWM.Like this, realized charging to different voltage rechargeable batteries.
When the voltage that battery protection module 2-8 detects the battery two ends is lower than the minimum working voltage of battery, can make charging circuit 2-7 break off, stop battery to be crossed and put.
Claims (3)
1. energy-conserving intelligent wireless charging device based on ZIGBEE; It is characterized in that; Comprise transmitter unit and receiving element; Said transmitter unit comprises the transmitting terminal AC-DC modular converter (1-1) that is connected with outside 220V power supply, is connected with a Voltage stabilizing module (1-3), No. two Voltage stabilizing modules (1-5) and relay (1-6) on the said transmitting terminal AC-DC modular converter (1-1), and a said Voltage stabilizing module (1-3) is connected with transmitting terminal single-chip microcomputer (1-2); Said No. two Voltage stabilizing modules (1-5) are connected with a ZIGBEE module (1-4); A said ZIGBEE module (1-4) is connected with transmitting terminal single-chip microcomputer (1-2), and said transmitting terminal single-chip microcomputer (1-2) also is connected with relay (1-6), is connected with frequency electromagnetic waves generation module (1-7) and transmitting coil (1-8) on the said relay (1-6) in turn;
Said receiving element comprises the receiving coil (2-1) with transmitting coil (1-8) wireless connections; Be connected with receiving terminal AC-DC modular converter (2-2) on the said receiving coil (2-1); Be connected with No. three Voltage stabilizing modules (2-3) and No. four Voltage stabilizing modules (2-10) on the said receiving terminal AC-DC modular converter (2-2); Be connected with receiving terminal single-chip microcomputer (2-4) on said No. three Voltage stabilizing modules (2-3); Be connected with No. two ZIGBEE modules (2-9) on No. four Voltage stabilizing modules (2-10); Said receiving terminal single-chip microcomputer (2-4) is connected with No. two ZIGBEE modules (2-9); Be connected with battery charging module (2-6), charging circuit (2-7) and battery protection module (2-8) on the said receiving terminal single-chip microcomputer (2-4) in turn, said battery charging module (2-6) is connected with No. three Voltage stabilizing modules (2-3), is connected with state detection module (2-5) between said charging circuit (2-7) and the receiving terminal single-chip microcomputer (2-4); A said ZIGBEE module (1-4) is connected with No. two ZIGBEE modules (2-9) wireless telecommunications.
2. according to the said a kind of energy-conserving intelligent wireless charging device of claim 1 based on ZIGBEE; It is characterized in that; Said battery charging module (2-6) comprises the resistance R 11 that is connected with receiving terminal single-chip microcomputer (2-4); The other end of said resistance R 11 is connected with the anode of diode D6 and the anode of capacitor C 20, and the negative electrode of the negative electrode of said diode D6 and capacitor C 20 all is connected the input of optocoupler U4, and the output of said optocoupler U4 is connected with the buck translation circuit;
Said buck translation circuit comprises resistance R 8, resistance R 12 and FET Q3; The grid of one end of said resistance R 8, an end of resistance R 12 and FET Q3 all is connected with the output of optocoupler U4; The drain electrode of the other end of said resistance R 8 and FET Q3 all is connected with Voltage stabilizing module (2-3); The other end of said resistance R 12 is an earth terminal; The source electrode of said FET Q3 is connected with an end of inductance L 5 and the negative electrode of diode D5; The negative electrode of the anode of said diode D5 and capacitor C 18 and an end of the resistance R 10 back ground connection that is connected, the anode of the other end of said inductance L 5, capacitor C 18 and the other end of resistance R 10 all with after the earth terminal of resistance R 12 is connected, are exported as the power supply that is used for being connected with charging circuit (2-7).
3. according to claim 1 or 2 said a kind of energy-conserving intelligent wireless charging devices based on ZIGBEE; It is characterized in that; Said state detection module (2-5) comprises resistance R 9, resistance R 14 and operational amplifier; One end of said resistance R 9 is connected with charging circuit (2-7); The other end of said resistance R 9 is connected with an end of resistance R 13 and an end of capacitor C 19, and the other end of said resistance R 13 is connected with an end of resistance 15, and the other end of said resistance R 15 is an earth terminal; The other end of said capacitor C 19 is connected with the earth terminal of resistance R 15, the voltage detecting output that conduct is connected with receiving terminal single-chip microcomputer (2-4) between said resistance R 13 and the resistance R 15;
One end of said resistance R 14 and the inverting input of operational amplifier all are connected with charging circuit (2-7); The other end of said resistance R 14 is connected with an end of resistance R 16 and is earth terminal; The other end of said resistance R 16 is connected with an end of the in-phase input end of operational amplifier and resistance R 18; The other end of said resistance R 18 is connected with the output of operational amplifier, and the current detecting output that is connected with receiving terminal single-chip microcomputer (2-4) of conduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204601165U CN202333932U (en) | 2011-11-18 | 2011-11-18 | ZIGBEE based energy-saving intelligent wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204601165U CN202333932U (en) | 2011-11-18 | 2011-11-18 | ZIGBEE based energy-saving intelligent wireless charging device |
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| Publication Number | Publication Date |
|---|---|
| CN202333932U true CN202333932U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204601165U Expired - Fee Related CN202333932U (en) | 2011-11-18 | 2011-11-18 | ZIGBEE based energy-saving intelligent wireless charging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202333932U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142183A (en) * | 2013-03-20 | 2013-06-12 | 哈尔滨工业大学 | Intelligent wireless charging dust collector system |
| CN103633706A (en) * | 2013-12-11 | 2014-03-12 | 黄添添 | Wireless rechargeable electronic bracelet and wireless charging method thereof |
| CN103746420A (en) * | 2013-12-31 | 2014-04-23 | 上海华勤通讯技术有限公司 | Mobile terminal wireless charging circuit |
| CN104868570A (en) * | 2015-05-08 | 2015-08-26 | 北京邮电大学 | Zigbee networks visible light positioning wireless charging system and method |
-
2011
- 2011-11-18 CN CN2011204601165U patent/CN202333932U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142183A (en) * | 2013-03-20 | 2013-06-12 | 哈尔滨工业大学 | Intelligent wireless charging dust collector system |
| CN103142183B (en) * | 2013-03-20 | 2015-09-16 | 哈尔滨工业大学 | Intelligent radio rechargeable dust collector system |
| CN103633706A (en) * | 2013-12-11 | 2014-03-12 | 黄添添 | Wireless rechargeable electronic bracelet and wireless charging method thereof |
| CN103746420A (en) * | 2013-12-31 | 2014-04-23 | 上海华勤通讯技术有限公司 | Mobile terminal wireless charging circuit |
| CN103746420B (en) * | 2013-12-31 | 2017-06-30 | 华勤通讯技术有限公司 | Mobile terminal wireless charging circuit |
| CN104868570A (en) * | 2015-05-08 | 2015-08-26 | 北京邮电大学 | Zigbee networks visible light positioning wireless charging system and method |
| CN104868570B (en) * | 2015-05-08 | 2017-05-10 | 北京邮电大学 | Zigbee networks visible light positioning wireless charging system and method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20120711 Termination date: 20121118 |