CN107086646B - Distributed wireless mobile phone charging device and charging method thereof - Google Patents
Distributed wireless mobile phone charging device and charging method thereof Download PDFInfo
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Abstract
The invention belongs to the field of mobile phone charging devices, and particularly relates to a distributed wireless mobile phone charging device and a charging method thereof. The two-dimensional code detection device comprises a two-dimensional code detection module, a signal transmission control circuit, a full-bridge inverter circuit, an electromagnetic resonance type electric energy conversion circuit, a signal receiving end control circuit, a boosting circuit and a charging electric energy capturing circuit, wherein the output end of the two-dimensional code detection module is connected with the input end of the signal transmission control circuit through a server, the output end of the signal transmission control circuit is connected with the input end of the electromagnetic resonance type electric energy conversion circuit through the full-bridge inverter circuit, the output end of the electromagnetic resonance type electric energy conversion circuit is in wireless communication connection with the input end of the signal receiving end control circuit, the output end of the signal receiving end control circuit is connected with the input end of the boosting circuit, and the output end of the boosting circuit is connected with the input end of the charging electric energy capturing circuit. The invention realizes safe, reliable and stable charging at any time and any place, and brings great convenience to people going out.
Description
Technical Field
The invention belongs to the field of mobile phone charging devices, and particularly relates to a distributed wireless mobile phone charging device and a charging method thereof.
Background
With the development of transmission technology, the wireless transmission speed is greatly improved, and online network services such as high-speed multimedia and the like can be realized on the intelligent terminal. On the other hand, although the intelligent terminal mobile phone correspondingly improves the hardware performance and upgrades the CPU, the long-time running of the multi-service can also cause the acceleration of the energy consumption of the hardware terminal. The endurance of mobile phones is weaker and weaker, and people now charge the mobile phones one or half a day. However, when the user is on the car or at the station, the mobile phone is powered off, so that the user is annoyed, and the charger can charge at any time and any place, but the charger is large and heavy and inconvenient to carry. And the good treasured that charges is more expensive, can bring certain economic burden to the payroll level, and cheap again unsafe, often the explosion incident.
The traditional wired charging is generally a charger of a mobile phone, so that a great amount of resources are wasted, the charging head is frequently plugged to cause damage to the charging wire, the charging wire is easy to lose when the charger is carried about, and the wired charging is avoided in a wet place or otherwise damaged. The mobile phone charging station on the traditional motor car can lead a plurality of people to be gathered together due to wired charging, and the danger index of passengers riding on the car can be improved. And because the charging ports of the mobile phone are different, a plurality of charging heads are needed to be prepared, so that the damage probability is increased.
Disclosure of Invention
The invention provides a distributed wireless mobile phone charging device for overcoming the defects in the prior art.
The technical scheme adopted by the invention is as follows:
the utility model provides a wireless mobile phone charging device of distributing type includes two-dimensional code detection module, signal transmission control circuit, full bridge inverter circuit, electromagnetic resonance formula electric energy conversion circuit, signal receiving end control circuit, boost circuit and charge electric energy capture circuit, the output of two-dimensional code detection module passes through the input of server connection signal transmission control circuit, signal transmission control circuit's output passes through full bridge inverter circuit and links to each other with electromagnetic resonance formula electric energy conversion circuit's input, wireless communication connects between electromagnetic resonance formula electric energy conversion circuit's output and the input of signal receiving end control circuit, boost circuit's input is connected to signal receiving end control circuit's output, charge electric energy capture circuit's input is connected to boost circuit's output, charge electric energy capture circuit's output is connected server, user's mobile phone input respectively.
Preferably, the signal transmission control circuit includes a first chip, the type of the first chip is a BQ500211 chip, a pin 33 of the BQ500211 chip is connected to one end of the first capacitor C1, one end of the third capacitor C3, one end of the first resistor R1, and a power supply, a pin 34 of the BQ500211 chip is connected to one end of the second capacitor C2, one end of the fourth capacitor C4, the other end of the first resistor R1, and the power supply, and the other end of the first capacitor C1, the other end of the third capacitor C3, the other end of the second capacitor C2, and the other end of the fourth capacitor C4 are all grounded; the pin 35 of the BQ500211 chip is grounded through a seventh capacitor C7, the pin 12 of the BQ500211 chip is connected with one end of a tenth resistor R10 through a ninth resistor R9, a twelfth resistor R12 and an eleventh resistor R11 respectively, the other end of the tenth resistor R10 is connected with the pin 13 of the BQ500211 chip, the connection part of the twelfth resistor R12 and the eleventh resistor R11 is grounded, the pin 24 of the BQ500211 chip is connected with the positive electrode of a third diode D3 through a thirteenth resistor R13, and the negative electrode of the third diode D3 is grounded; the pin 23 of the BQ500211 chip is respectively connected with a buzzer and a fourteenth resistor R14; the pin 44 of the BQ500211 chip is connected to one end of the seventeenth resistor R17 and the interface 1 of the second external interface, the other end of the seventeenth resistor R17 is connected to the interface 2 of the second external interface and the interface 1 of the third external interface, and the interface 2 of the third external interface is connected to the pin 43 of the BQ500211 chip sequentially through the sixteenth resistor R16 and the fifteenth resistor R15; the pin 7 of the BQ500211 chip is connected with the positive electrode of the first diode D1 through a seventh resistor R7, the pin 8 of the BQ500211 chip is connected with the positive electrode of the second diode D2 through an eighth resistor R8, and the negative electrodes of the first diode D1 and the second diode D2 are grounded; the pin 46 of BQ500211 chip is connected with one end of fifth resistance R5, one end of sixth resistance R6 and one end of sixth electric capacity C6 respectively, and the other end of fifth resistance R5, the other end of sixth resistance R6 are all grounded, the output of server is connected to the other end of sixth resistance R6, and the interface 1 of second resistance R2, fifth electric capacity C5 and first external interface is connected respectively to the pin 2 of BQ500211 chip, first external interface links to each other with full bridge inverter circuit, and the interface 2 of third resistance R3 and fourth external interface is connected respectively to the pin 4 of BQ500211 chip, the other end of third resistance R3 passes through the interface 5 of fourth resistance R4 connection BQ500211 chip.
Preferably, the signal receiving end control circuit comprises a second chip, the model of the second chip is a BQ51013A chip, the pin 2 of the BQ51013A chip is respectively connected with one end of an eighth capacitor C8, one end of a ninth capacitor C9, one end of a tenth capacitor C10, one end of an eleventh capacitor C11, one end of a twelfth capacitor C12, one end of a thirteenth capacitor C13, one end of a fourteenth capacitor C14 and one end of a fifteenth capacitor C15, the other end of the eighth capacitor C8, the other end of the ninth capacitor C9 and the other end of the tenth capacitor C10 are respectively connected with the interface 1 of a sixth external interface, the other end of the eleventh capacitor C11, the other end of the twelfth capacitor C12 and the other end of the thirteenth capacitor C13 are respectively connected with the pin 3, the pin 5 and the pin 6 of the BQ51013A chip, the other end of the fourteenth capacitor C14 and the other end of the fifteenth capacitor C15 are connected with the pin 19 of the BQ51013A chip, the interface 2 of the sixth external interface, one end of the sixteenth capacitor C16, one end of the seventeenth capacitor C17 and one end of the eighteenth capacitor C18, the other end of the sixteenth capacitor C16, the other end of the seventeenth capacitor C17 and the other end of the eighteenth capacitor C18 are respectively connected with the pin 15 of the BQ51013A chip, the pin 16, the pin 17 and the pin 18 of the BQ51013A chip, the other end of the nineteenth capacitor C19, the one end of the twentieth capacitor C20 and the one end of the nineteenth capacitor C19 are respectively grounded, the other end of the nineteenth resistor R19 is respectively connected with one end of the twentieth resistor R20, one end of the twenty first resistor R21, one end of the twenty first capacitor C21 and the pin 14 of the BQ51013A chip, the other end of the twenty first resistor R20 is connected with the pin 12 of the BQ51013A chip, and the other end of the twenty first resistor 51021 is grounded, the other end of the twenty-first capacitor C21 is grounded, the pin 13 of the BQ51013A chip is respectively connected with one end of the twenty-second capacitor C22 and one end of the twenty-second resistor R22, and the other end of the twenty-second capacitor C22 and the other end of the twenty-second resistor R22 are grounded.
Preferably, the boost circuit comprises a boost chip, and the model of the boost chip is MC34063.
Further, the charging electric energy capturing circuit comprises a chip with the model number of stm32 series.
A charging method of a distributed wireless mobile phone charging device comprises the following steps:
s1, the charging electric energy capturing circuit receives information of a battery to be charged fed back after a client scans a two-dimensional code, and sends the information of the battery to be charged to a server;
s2, the server detects the client, detects that the client has scanned the two-dimensional code and sends a payment request, and determines the charging time length required to be sent to the client according to the payment information of the client, and simultaneously the server starts a signal sending control circuit;
s3, the signal sending control circuit charges the battery to be charged through the full-bridge inverter circuit, the electromagnetic resonance type electric energy conversion circuit, the signal receiving end control circuit, the booster circuit and the charging electric energy capturing circuit in sequence;
s4, the signal transmission control circuit judges whether the charging time length is exhausted in real time, and immediately stops charging when the fact that the charging time length is exhausted is detected; otherwise, continuing to detect.
The beneficial effects of the invention are as follows:
(1) The wireless charging system comprises a two-dimension code detection module, a signal transmission control circuit, a full-bridge inverter circuit, an electromagnetic resonance type electric energy conversion circuit, a signal receiving end control circuit, a boosting circuit and a charging electric energy capturing circuit, wherein the signal transmission control circuit adopts a BQ500211 chip conforming to the second-generation QI standard, the signal receiving end control circuit adopts a BQ51013A chip matched with the signal receiving end control circuit, and the signal receiving end control circuit is arranged in a mobile phone, so that wireless charging of the mobile phone is realized.
(2) The boost circuit comprises a boost chip, the model of the boost chip is MC34063, a user can select the model of a charging mobile phone at a client, and a server determines the size of the transmission voltage and the current according to different parameters of mobile phones of different models, so that the charging efficiency is greatly improved.
Drawings
The contents of each drawing in the specification of the present invention are briefly described as follows:
FIG. 1 is a block diagram of the overall structure of the present invention;
FIG. 2 is a schematic circuit diagram of a signaling control circuit of the present invention;
fig. 3 is a schematic circuit diagram of a signal receiving-end control circuit according to the present invention.
The reference numerals in the figures have the following meanings:
10-two-dimensional code detection module 20-signal transmission control circuit
30-full-bridge inverter circuit 40-electromagnetic resonance type electric energy conversion circuit
50-signal receiving end control circuit 60-booster circuit
70-charging electric energy capturing circuit
Detailed Description
The following describes in further detail the shape and structure of the components, the mutual positions and connection relationships between the parts, the actions and working principles of the parts, etc. according to the embodiments of the present invention, the following drawings:
as shown in fig. 1, a distributed wireless mobile phone charging device includes a two-dimensional code detection module 10, a signal transmission control circuit 20, a full-bridge inverter circuit 30, an electromagnetic resonance type electric energy conversion circuit 40, a signal receiving end control circuit 50, a voltage boosting circuit 60 and a charging electric energy capturing circuit 70, wherein an output end of the two-dimensional code detection module 10 is connected with an input end of the signal transmission control circuit 20 through a server, an output end of the signal transmission control circuit 20 is connected with an input end of the electromagnetic resonance type electric energy conversion circuit 40 through the full-bridge inverter circuit 30, an output end of the electromagnetic resonance type electric energy conversion circuit 40 is connected with an input end of the signal receiving end control circuit 50 in a wireless communication manner, an output end of the signal receiving end control circuit 50 is connected with an input end of the voltage boosting circuit 60, an output end of the voltage boosting circuit 60 is connected with an input end of the charging electric energy capturing circuit 70, and an output end of the charging electric energy capturing circuit 70 is respectively connected with an input end of the server and a mobile phone of a user.
The two-dimensional code detection module 10 is realized by a two-dimensional code scanning technology in the prior art.
The booster circuit 60 simultaneously supplies power to the signal transmission control circuit 20.
The full-bridge inverter circuit 30 is an inverter circuit formed of IR2110, and converts dc power into ac power.
As shown in fig. 2, the signal transmission control circuit 20 includes a first chip, the type of the first chip is a BQ500211 chip, a pin 33 of the BQ500211 chip is connected to one end of the first capacitor C1, one end of the third capacitor C3, one end of the first resistor R1, and a power supply, and a pin 34 of the BQ500211 chip is connected to one end of the second capacitor C2, one end of the fourth capacitor C4, the other end of the first resistor R1, and the power supply, where the other end of the first capacitor C1, the other end of the third capacitor C3, the other end of the second capacitor C2, and the other end of the fourth capacitor C4 are all grounded; the pin 35 of the BQ500211 chip is grounded through a seventh capacitor C7, the pin 12 of the BQ500211 chip is connected with one end of a tenth resistor R10 through a ninth resistor R9, a twelfth resistor R12 and an eleventh resistor R11 respectively, the other end of the tenth resistor R10 is connected with the pin 13 of the BQ500211 chip, the connection part of the twelfth resistor R12 and the eleventh resistor R11 is grounded, the pin 24 of the BQ500211 chip is connected with the positive electrode of a third diode D3 through a thirteenth resistor R13, and the negative electrode of the third diode D3 is grounded; the pin 23 of the BQ500211 chip is respectively connected with a buzzer and a fourteenth resistor R14; the pin 44 of the BQ500211 chip is connected to one end of the seventeenth resistor R17 and the interface 1 of the second external interface, the other end of the seventeenth resistor R17 is connected to the interface 2 of the second external interface and the interface 1 of the third external interface, and the interface 2 of the third external interface is connected to the pin 43 of the BQ500211 chip sequentially through the sixteenth resistor R16 and the fifteenth resistor R15; the pin 7 of the BQ500211 chip is connected with the positive electrode of the first diode D1 through a seventh resistor R7, the pin 8 of the BQ500211 chip is connected with the positive electrode of the second diode D2 through an eighth resistor R8, and the negative electrodes of the first diode D1 and the second diode D2 are grounded; the pin 46 of BQ500211 chip is connected with one end of fifth resistance R5, one end of sixth resistance R6 and one end of sixth electric capacity C6 respectively, and the other end of fifth resistance R5, the other end of sixth resistance R6 are all grounded, the output of server is connected to the other end of sixth resistance R6, and the interface 1 of second resistance R2, fifth electric capacity C5 and first external interface is connected respectively to the pin 2 of BQ500211 chip, first external interface links to each other with full bridge inverter circuit 30, and the interface 2 of third resistance R3 and fourth external interface is connected respectively to the pin 4 of BQ500211 chip, the other end of third resistance R3 passes through the interface 5 of fourth resistance R4 connection BQ500211 chip.
The BQ500211 chip is used for processing signal transmission, power termination and starting signal transmission. The BQ500211 chip integrates all the functionality required to control the wireless power transfer to a single WPC compatible receiver. Greatly increasing flexibility in wireless power applications.
As shown in fig. 3, the signal receiving-end control circuit 50 includes a second chip, where the type of the second chip is a BQ51013A chip, the pin 2 of the BQ51013A chip is connected to one end of the eighth capacitor C8, one end of the ninth capacitor C9, one end of the tenth capacitor C10, one end of the eleventh capacitor C11, one end of the twelfth capacitor C12, one end of the thirteenth capacitor C13, one end of the fourteenth capacitor C14, one end of the fifteenth capacitor C15, the other end of the eighth capacitor C8, the other end of the ninth capacitor C9, and the other end of the tenth capacitor C10 are all connected to the interface 1 of the sixth external interface, the other end of the eleventh capacitor C11, the other end of the twelfth capacitor C12, and the other end of the thirteenth capacitor C13 are connected to the pin 3, the pin 5, and the pin 6 of the BQ51013A chip, the other end of the fourteenth capacitor C14 and the other end of the fifteenth capacitor C15 are connected with the pin 19 of the BQ51013A chip, the interface 2 of the sixth external interface, one end of the sixteenth capacitor C16, one end of the seventeenth capacitor C17 and one end of the eighteenth capacitor C18, the other end of the sixteenth capacitor C16, the other end of the seventeenth capacitor C17 and the other end of the eighteenth capacitor C18 are respectively connected with the pin 15 of the BQ51013A chip, the pin 16, the pin 17 and the pin 18 of the BQ51013A chip, the other end of the nineteenth capacitor C19, the one end of the twentieth capacitor C20 and the one end of the nineteenth capacitor C19 are respectively grounded, the other end of the nineteenth resistor R19 is respectively connected with one end of the twentieth resistor R20, one end of the twenty first resistor R21, one end of the twenty first capacitor C21 and the pin 14 of the BQ51013A chip, the other end of the twenty first resistor R20 is connected with the pin 12 of the BQ51013A chip, and the other end of the twenty first resistor 51021 is grounded, the other end of the twenty-first capacitor C21 is grounded, the pin 13 of the BQ51013A chip is respectively connected with one end of the twenty-second capacitor C22 and one end of the twenty-second resistor R22, and the other end of the twenty-second capacitor C22 and the other end of the twenty-second resistor R22 are grounded.
The boost circuit 60 comprises a boost chip, and the model of the boost chip is MC34063; the output voltage range is 1.25-40V, the input voltage range is 2.5-40V, the maximum output current is 1.5A, the output voltage of the chip is adjustable, the quick charge requirement is met, the chip is provided with short-circuit protection and other functions, and the loss of the chip is reduced. The charge power capturing circuit 70 includes a chip of the stm32 series type, acquires a charge current and a charge voltage by an ADC provided on the chip of the stm32 series, and records time to determine the charge power.
When in use, the invention can be matched with software in the prior art for use. The working principle of the invention is described below in connection with software in the prior art.
A charging method of a distributed wireless mobile phone charging device comprises the following steps:
s1, the charging electric energy capturing circuit 70 receives the information of the battery to be charged fed back after the client scans the two-dimension code, and sends the information of the battery to be charged to the server;
s2, the server detects the client, detects that the client has scanned the two-dimensional code and sends a payment request, determines the charging time length required to be sent to the client according to the payment information of the client, and simultaneously starts a signal sending control circuit 20;
s3, the signal sending control circuit 20 sequentially charges the battery to be charged through the full-bridge inverter circuit 30, the electromagnetic resonance type electric energy conversion circuit 40, the signal receiving end control circuit 50, the booster circuit 60 and the charging electric energy capturing circuit 70;
the signal transmission control circuit 20 transmits 220V commercial power, and outputs 5V voltage to supply power to the whole system sequentially through the full-bridge inverter circuit 30, the electromagnetic resonance type power conversion circuit 40, the signal receiving end control circuit 50, the booster circuit 60 and the charging power capturing circuit 70.
S4, the signal transmission control circuit 20 judges whether the charging time length is exhausted in real time, and when the fact that the charging time length is exhausted is detected, the signal transmission control circuit 20 immediately stops charging; otherwise, continuing to detect.
The invention realizes wireless charging of the mobile phone, can charge safely, reliably and stably at any time and any place, and brings great convenience to travel of people.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and it is not intended that the invention be limited to these descriptions. Other embodiments of the invention, which are apparent to those skilled in the art to which the invention pertains without departing from its technical scope, shall be covered by the protection scope of the invention.
Claims (4)
1. A distributed wireless mobile phone charging device is characterized in that: the wireless communication system comprises a two-dimension code detection module (10), a signal transmission control circuit (20), a full-bridge inverter circuit (30), an electromagnetic resonance type electric energy conversion circuit (40), a signal receiving end control circuit (50), a boost circuit (60) and a charging electric energy capturing circuit (70), wherein the output end of the two-dimension code detection module (10) is connected with the input end of the signal transmission control circuit (20) through a server, the output end of the signal transmission control circuit (20) is connected with the input end of the electromagnetic resonance type electric energy conversion circuit (40) through the full-bridge inverter circuit (30), the output end of the electromagnetic resonance type electric energy conversion circuit (40) is in wireless communication connection with the input end of the signal receiving end control circuit (50), the output end of the signal receiving end control circuit (50) is connected with the input end of the boost circuit (60), the output end of the boost circuit (60) is connected with the input end of the charging electric energy capturing circuit (70), and the output end of the charging electric energy capturing circuit (70) is respectively connected with the server and the input end of a mobile phone of a user;
the signal transmission control circuit (20) comprises a first chip, the model of the first chip is a BQ500211 chip, a pin 33 of the BQ500211 chip is respectively connected with one end of a first capacitor C1, one end of a third capacitor C3, one end of a first resistor R1 and a power supply, a pin 34 of the BQ500211 chip is respectively connected with one end of a second capacitor C2, one end of a fourth capacitor C4, the other end of the first resistor R1 and the power supply, and the other end of the first capacitor C1, the other end of the third capacitor C3, the other end of the second capacitor C2 and the other end of the fourth capacitor C4 are grounded; the pin 35 of the BQ500211 chip is grounded through a seventh capacitor C7, the pin 12 of the BQ500211 chip is connected with one end of a tenth resistor R10 through a ninth resistor R9, a twelfth resistor R12 and an eleventh resistor R11 respectively, the other end of the tenth resistor R10 is connected with the pin 13 of the BQ500211 chip, the connection part of the twelfth resistor R12 and the eleventh resistor R11 is grounded, the pin 24 of the BQ500211 chip is connected with the positive electrode of a third diode D3 through a thirteenth resistor R13, and the negative electrode of the third diode D3 is grounded; the pin 23 of the BQ500211 chip is respectively connected with a buzzer and a fourteenth resistor R14; the pin 44 of the BQ500211 chip is connected to one end of the seventeenth resistor R17 and the interface 1 of the second external interface, the other end of the seventeenth resistor R17 is connected to the interface 2 of the second external interface and the interface 1 of the third external interface, and the interface 2 of the third external interface is connected to the pin 43 of the BQ500211 chip sequentially through the sixteenth resistor R16 and the fifteenth resistor R15; the pin 7 of the BQ500211 chip is connected with the positive electrode of the first diode D1 through a seventh resistor R7, the pin 8 of the BQ500211 chip is connected with the positive electrode of the second diode D2 through an eighth resistor R8, and the negative electrodes of the first diode D1 and the second diode D2 are grounded; the pin 46 of the BQ500211 chip is respectively connected with one end of a fifth resistor R5, one end of a sixth resistor R6 and one end of a sixth capacitor C6, the other end of the fifth resistor R5 is grounded, the other end of the sixth resistor R6 is connected with the output end of the server, the pin 2 of the BQ500211 chip is respectively connected with the second resistor R2, the fifth capacitor C5 and the interface 1 of a first external interface, the first external interface is connected with the full-bridge inverter circuit (30), the pin 4 of the BQ500211 chip is respectively connected with one end of a third resistor R3 and the interface 2 of a fourth external interface, and the other end of the third resistor R3 is connected with the pin 5 of the BQ500211 chip through the fourth resistor R4;
the charging method of the distributed wireless mobile phone charging device comprises the following steps:
s1, the charging electric energy capturing circuit (70) receives information of a battery to be charged fed back after a client scans a two-dimensional code, and sends the information of the battery to be charged to a server;
s2, the server detects the client, detects that the client has scanned the two-dimensional code and sends a payment request, the server determines the charging time length required to be sent to the client according to the payment information of the client, and simultaneously the server starts a signal sending control circuit (20);
s3, the signal transmission control circuit (20) sequentially charges a battery to be charged through the full-bridge inverter circuit (30), the electromagnetic resonance type electric energy conversion circuit (40), the signal receiving end control circuit (50), the booster circuit (60) and the charging electric energy capturing circuit (70);
s4, the signal transmission control circuit (20) judges whether the charging time length is exhausted in real time, and when the fact that the charging time length is exhausted is detected, the signal transmission control circuit (20) immediately stops charging; otherwise, continuing to detect.
2. The distributed wireless handset charging device according to claim 1, wherein: the signal receiving end control circuit (50) comprises a second chip, the model of the second chip is BQ51013A chip, a pin 2 of the BQ51013A chip is respectively connected with one end of an eighth capacitor C8, one end of a ninth capacitor C9, one end of a tenth capacitor C10, one end of an eleventh capacitor C11, one end of a twelfth capacitor C12, one end of a thirteenth capacitor C13, one end of a fourteenth capacitor C14 and one end of a fifteenth capacitor C15, the other end of the eighth capacitor C8, the other end of the ninth capacitor C9 and the other end of the tenth capacitor C10 are respectively connected with an interface 1 of a sixth external interface, the other end of the eleventh capacitor C11, the other end of the twelfth capacitor C12 and the other end of the thirteenth capacitor C13 are respectively connected with a pin 3, a pin 5 and a pin 6 of the BQ51013A chip, the other end of the fourteenth capacitor C14 and the other end of the fifteenth capacitor C15 are connected with the pin 19 of the BQ51013A chip, the interface 2 of the sixth external interface, one end of the sixteenth capacitor C16, one end of the seventeenth capacitor C17 and one end of the eighteenth capacitor C18, the other end of the sixteenth capacitor C16, the other end of the seventeenth capacitor C17 and the other end of the eighteenth capacitor C18 are respectively connected with the pin 15 of the BQ51013A chip, the pin 16, the pin 17 and the pin 18 of the BQ51013A chip, the other end of the nineteenth capacitor C19, the one end of the twentieth capacitor C20 and the one end of the nineteenth capacitor C19 are respectively grounded, the other end of the nineteenth resistor R19 is respectively connected with one end of the twentieth resistor R20, one end of the twenty first resistor R21, one end of the twenty first capacitor C21 and the pin 14 of the BQ51013A chip, the other end of the twenty first resistor R20 is connected with the pin 12 of the BQ51013A chip, and the other end of the twenty first resistor 51021 is grounded, the other end of the twenty-first capacitor C21 is grounded, the pin 13 of the BQ51013A chip is respectively connected with one end of the twenty-second capacitor C22 and one end of the twenty-second resistor R22, and the other end of the twenty-second capacitor C22 and the other end of the twenty-second resistor R22 are grounded.
3. The distributed wireless handset charging device according to claim 2, wherein: the boost circuit (60) comprises a boost chip, and the model of the boost chip is MC34063.
4. A distributed wireless handset charging device according to claim 3, wherein: the charging power harvesting circuit (70) includes a model stm32 series chip.
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| CN105490360A (en) * | 2016-01-07 | 2016-04-13 | 杭州电子科技大学 | Mobile phone wireless charging circuit |
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| CN206727707U (en) * | 2017-05-25 | 2017-12-08 | 安徽师范大学 | A kind of distributed wireless charging equipment for mobile phone |
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