CN219760721U - Realize wireless charger of multi-functional wireless output that fills - Google Patents
Realize wireless charger of multi-functional wireless output that fills Download PDFInfo
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Abstract
The utility model is applicable to the field of wireless charging technology improvement, and provides a wireless charging charger for realizing multifunctional wireless charging output. Space is saved, the constraint of cables is reduced, and the charging efficiency is improved; the user can charge a plurality of electric equipment simultaneously or separately by using one charger.
Description
Technical Field
The utility model belongs to the field of wireless charging technology improvement, and particularly relates to a wireless charging device for realizing multifunctional wireless charging output.
Background
At present, the related technology of the wireless charging device is a single-compatible charging mode, namely, the wireless charging device of the charging device is a wireless charging device of the charging device, the wireless charging device of the charging watch is a wireless charging device of the charging watch, the charging effect of the charging device of the same charging device can be compatible with different types of products at the same time, and the charging requirement of a user can not be met more conveniently and rapidly.
When a user only has one wireless charger, the user can charge one charging device of the mobile phone or the watch, if the charging requirements of the mobile phone and the watch of the user are met, the user can charge the mobile phone and the watch, and then the user needs to buy a matched wireless charger for use; the more the charger, not only occupy space, bring the safety more, environmental protection problem.
Disclosure of Invention
The utility model aims to provide a wireless charging device for realizing multifunctional wireless charging and outputting, and aims to solve the technical problems.
The utility model is realized in such a way that the wireless charging charger for realizing the multifunctional wireless charging output comprises a power input module, a control module, a full-bridge power conversion module and a control switching circuit module, wherein the output end of the power input module is respectively connected with the input end of the control module and the input end of the full-bridge power conversion module, the control module is in communication connection with the full-bridge power conversion module, the output end of the full-bridge power conversion module is connected with the input end of the control switching circuit module, the output end of the control switching circuit module is connected with the input end of the control module, and the power input module is used for inputting the converted commercial power and outputting the power to the control module, the full-bridge power conversion module and the control switching circuit module; the control module is used for receiving the load parameter detected by the control switching circuit module to control power output and line emission output energy; the full-bridge power conversion module is used for carrying out power conversion output according to the instruction signal; and the control switching circuit module is used for detecting information output of the load charging equipment to the control module and executing instructions of the control module to output required charging energy.
The utility model further adopts the technical scheme that: the control switching circuit module comprises a transmitting output unit, a resonance detection unit and a circuit switching unit, wherein the output end of the circuit switching unit is respectively connected with the input end of the transmitting output unit and the input end of the resonance detection unit, and the transmitting output unit is used for wirelessly outputting energy according to the instruction of the control module; the resonance detection unit is used for detecting various parameters of the charging load and transmitting the parameters to the control module; the circuit switching unit is used for controlling the circuit to output to the emission output unit according to the instruction.
The utility model further adopts the technical scheme that: the circuit switching unit comprises a MOS tube group Q1, a resistor R27, a capacitor C43, a capacitor C39, a capacitor C40, a resistor R31, a triode Q2, a resistor R32, a capacitor C45, a resistor R33, a triode Q3, a capacitor C35, a resistor R34, a capacitor C30, a capacitor C32, a capacitor C34, a resistor R18, a resistor R23 and a diode D4, wherein a first source electrode of the MOS tube group Q1 is connected with one end of the capacitor C39, a second source electrode of the MOS tube group Q1 is respectively connected with one end of the capacitor C40, one end of the capacitor C30, one end of the capacitor C32 and one end of the capacitor C34, a first drain electrode and a second drain electrode of the MOS tube group Q1 are respectively connected with one end of the resistor R27 and one end of the capacitor C43 in sequence, one end of the MOS tube group Q1 is connected with the other end of the resistor R27, the other end of the capacitor C43, one end of the second gate electrode of the MOS tube group Q1 is connected with one end of the resistor R31, the other end of the resistor R2 is connected with one end of the resistor R23, one end of the other end of the resistor C23 is connected with the resistor C33, one end of the other end of the resistor C33 is respectively connected with the resistor C23, one end of the resistor C33 is connected with the other end of the resistor C32, and the other end of the resistor C33 is connected with the other end of the resistor C33, and the other end of the resistor C33 is respectively.
The utility model further adopts the technical scheme that: the resonance detection unit comprises a capacitor C22, one end of the capacitor C22 is connected with the other end of the capacitor C30, and the other end of the capacitor C22 is respectively connected with one end of the capacitor C9, the other end of the capacitor C31 and the 10 th pin of the chip U2.
The utility model further adopts the technical scheme that: the transmitting output unit comprises a transmitting coil L3, one end of the transmitting coil L3 is connected with one end of the capacitor C22, and the other end of the transmitting coil L3 is respectively connected with the other end of the capacitor C11 and the 9 th pin of the chip U2.
The utility model further adopts the technical scheme that: the power input module comprises a connecting terminal CON1, a diode D2, a capacitor C49, a capacitor C3, a resistor R1, a resistor R2, a coil L1, a capacitor C1 and a capacitor C2, wherein pins 2 and 11 of the connecting terminal CON1 are respectively connected with one end of the diode D2, one end of the capacitor C3, one end of the resistor R1 and a pin 4 of the coil L1, the other end of the capacitor C3 is respectively connected with one end of the resistor R2 and a first pin of the coil L1, a pin 2 of the coil L1 is connected with the other end of the resistor R2, and the other end of the resistor R1 is respectively connected with a pin 3 of the coil L1, one end of the capacitor C49, one end of the capacitor C1 and one end of the capacitor C2.
The utility model further adopts the technical scheme that: the control module comprises a chip U1, a capacitor C16, a capacitor C29, a resistor R22, a resistor R25, a capacitor C42, a capacitor C44, a resistor R28, a resistor R58, a resistor R30, a resistor R26, a capacitor C48, a capacitor C46, a capacitor C47, a resistor R29, a capacitor C33, a resistor R16, a capacitor C18, a capacitor C15, a capacitor C14, a capacitor C10, a capacitor C8, an inductor L2, a capacitor C5, a resistor R3, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C6, a resistor R55, a resistor R51, a resistor R41, a resistor R46, a resistor R40, a resistor R52, a resistor R43 and a resistor R38, wherein a 1 st pin of the chip U1 is connected with one end of the capacitor C16, a 2 nd pin 3 nd pin of the chip U1 is respectively connected with the other end of the capacitor C16, a 8 nd pin of the chip U1 is connected with one end of the capacitor C29, the other end of the capacitor C29 is respectively connected with 6 th pin 7 of the chip U1, the 9 th pin of the chip U1 is respectively connected with one end of the resistor R25, one end of the capacitor C42 and one end of the resistor R30, the other end of the capacitor C42 is respectively connected with one end of the capacitor C44, one end of the resistor R28 and one end of the resistor R58, the 12 th pin of the chip U1 is respectively connected with one end of the resistor R22 and one end of the resistor R51, the 13 th pin of the chip U1 is respectively connected with one end of the resistor R38, the other end of the resistor R38 is respectively connected with one end of the resistor R43 and one end of the resistor R52, the other end of the resistor R51 is respectively connected with one end of the resistor R55 and one end of the resistor R46, the other end of the resistor R46 is respectively connected with one end of the resistor R40 and one end of the resistor R41, the 14 th pin of the chip U1 is connected with one end of the resistor R26, the 19 th pin of the chip U1 is respectively connected with one end of the resistor C46 and one end of the resistor C48, the first pin 21 of the chip U1 is connected to one end of the capacitor C47 and one end of the resistor R29 respectively, the first pin 27 of the chip U1 is connected to one end of the resistor R16 and one end of the capacitor C33 respectively, the first pin 32 of the chip U1 is connected to one end of the capacitor C18, one end of the capacitor C15 and one end of the capacitor C14 respectively, the first pin 33 of the chip U1 is connected to the other end of the capacitor C18, the first pin 34 of the chip U1 is connected to the other end of the capacitor C15 respectively, the first pins 35 and 36 of the chip U1 are connected to the other end of the capacitor C14 respectively, the first pins 37 and 38 of the chip U1 are connected to one end of the capacitor C10 respectively, the first pin 39 of the chip U1 is connected to one end of the inductor L2, the other end of the inductor L2 is connected to one end of the capacitor C8 respectively, the first pin 33 of the chip U1 is connected to one end of the capacitor C5, the other end of the resistor R3 respectively, the other end of the resistor R3 is connected to one end of the capacitor R4 respectively, the other end of the resistor R4 is connected to one end of the capacitor C5 and the other end of the resistor R5 is connected to one end of the resistor C5 respectively, and the other end of the resistor R4 is connected to one end of the resistor C5 respectively.
The utility model further adopts the technical scheme that: the full-bridge power conversion module comprises a chip U2, a capacitor C24, a capacitor C26, a capacitor C19, a capacitor C20, a resistor R7, a resistor R6, a resistor R8, a resistor R10, a resistor R57, a resistor R15, a capacitor C31, a capacitor C37 and a capacitor C36, wherein a 2 nd pin of the chip U2 is respectively connected with one end of the capacitor C24 and one end of the capacitor C26, a 3 rd pin of the chip U2 is respectively connected with the other end of the capacitor C24, one end of the capacitor C19, one end of the capacitor C20 and the other end of the capacitor C26, a 4 th pin of the chip U2 is respectively connected with the other end of the capacitor C19 and the other end of the capacitor C20, a 5 th pin of the chip U2 is connected with one end of the resistor R7, a 6 th pin of the chip U2 is connected with one end of the resistor R6, a 7 th pin of the chip U2 is connected with one end of the resistor R8, an 8 th pin of the chip U2 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with one end of the resistor R57 and one end of the capacitor C11 respectively, the 11 th pin of the chip U2 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with one end of the capacitor C31, the 13 th pin of the chip U2 is connected with one end of the capacitor C36 and one end of the capacitor C37 respectively, the 10 th pin of the chip U1 is connected with one end of the capacitor C51 and one end of the resistor R37 respectively, the other end of the resistor R37 is connected with one end of the capacitor C50, the other end of the capacitor C50 is connected with the 28 th pin of the chip U1, the 29 th pin of the chip U1 is connected with the cathode of the diode D6, the anode of the diode D5 and one end of the resistor R56 respectively, and the 11 th pin of the chip U2 is connected with one end of the resistor R39, one end of the slide rheostat R42, one end of the resistor R45 and one end of the capacitor C53 respectively.
The beneficial effects of the utility model are as follows: the mobile phone can be charged by a single coil of a single wireless charger, and the watch can be charged by the single coil of the single wireless charger; when the user has the charging requirements of different charging equipment such as a mobile phone, a watch and the like, the user only needs to buy one wireless charger. Space is saved, the constraint of cables is reduced, and the charging efficiency is improved; the user can charge a plurality of electric equipment simultaneously or separately by using one charger.
Drawings
Fig. 1 is a block diagram of a wireless charging device for implementing multifunctional wireless charging output according to an embodiment of the present utility model.
Fig. 2 is an electrical schematic diagram of a power input module according to an embodiment of the present utility model.
Fig. 3 is an electrical schematic diagram of a control module according to an embodiment of the present utility model.
Fig. 4 is an electrical schematic diagram of a full-bridge power conversion module, a control switching circuit module, and a portion of a control module according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Fig. 1 shows a wireless charging charger for realizing multifunctional wireless charging output, which is provided by the utility model, and comprises a power input module, a control module, a full-bridge power conversion module and a control switching circuit module, wherein the output end of the power input module is respectively connected with the input end of the control module and the input end of the full-bridge power conversion module, the control module is in communication connection with the full-bridge power conversion module, the output end of the full-bridge power conversion module is connected with the input end of the control switching circuit module, the output end of the control module is connected with the input end of the control switching circuit module, and the output end of the control switching circuit module is connected with the input end of the control module.
When wireless charging is performed, the circuit of the switching resonance part is controlled to match with the charged equipment so as to achieve the best compatible charging effect; the function can be realized by switching the resonant capacitor part or the coil part, and the main control chip controls the switching action. The main function implementation is to judge whether a charging requirement exists or not by utilizing induction between a wireless charging transmitting coil and a charging equipment receiving coil, and judge which type the charging equipment belongs to, and control a switching circuit after judging, so that the circuit part required by the current charging equipment is matched, and the optimal charging compatibility effect is realized.
The power input module comprises a connecting terminal CON1, a diode D2, a capacitor C49, a capacitor C3, a resistor R1, a resistor R2, a coil L1, a capacitor C1 and a capacitor C2, wherein pins 2 and 11 of the connecting terminal CON1 are respectively connected with one end of the diode D2, one end of the capacitor C3, one end of the resistor R1 and a pin 4 of the coil L1, the other end of the capacitor C3 is respectively connected with one end of the resistor R2 and a first pin of the coil L1, a pin 2 of the coil L1 is connected with the other end of the resistor R2, and the other end of the resistor R1 is respectively connected with a pin 3 of the coil L1, one end of the capacitor C49, one end of the capacitor C1 and one end of the capacitor C2.
The control module comprises a chip U1, a capacitor C16, a capacitor C29, a resistor R22, a resistor R25, a capacitor C42, a capacitor C44, a resistor R28, a resistor R58, a resistor R30, a resistor R26, a capacitor C48, a capacitor C46, a capacitor C47, a resistor R29, a capacitor C33, a resistor R16, a capacitor C18, a capacitor C15, a capacitor C14, a capacitor C10, a capacitor C8, an inductor L2, a capacitor C5, a resistor R3, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C6, a resistor R55, a resistor R51, a resistor R41, a resistor R46, a resistor R40, a resistor R52, a resistor R43 and a resistor R38, wherein a 1 st pin of the chip U1 is connected with one end of the capacitor C16, a 2 nd pin 3 nd pin of the chip U1 is respectively connected with the other end of the capacitor C16, a 8 nd pin of the chip U1 is connected with one end of the capacitor C29, the other end of the capacitor C29 is respectively connected with 6 th pin 7 of the chip U1, the 9 th pin of the chip U1 is respectively connected with one end of the resistor R25, one end of the capacitor C42 and one end of the resistor R30, the other end of the capacitor C42 is respectively connected with one end of the capacitor C44, one end of the resistor R28 and one end of the resistor R58, the 12 th pin of the chip U1 is respectively connected with one end of the resistor R22 and one end of the resistor R51, the 13 th pin of the chip U1 is respectively connected with one end of the resistor R38, the other end of the resistor R38 is respectively connected with one end of the resistor R43 and one end of the resistor R52, the other end of the resistor R51 is respectively connected with one end of the resistor R55 and one end of the resistor R46, the other end of the resistor R46 is respectively connected with one end of the resistor R40 and one end of the resistor R41, the 14 th pin of the chip U1 is connected with one end of the resistor R26, the 19 th pin of the chip U1 is respectively connected with one end of the resistor C46 and one end of the resistor C48, the first pin 21 of the chip U1 is connected to one end of the capacitor C47 and one end of the resistor R29 respectively, the first pin 27 of the chip U1 is connected to one end of the resistor R16 and one end of the capacitor C33 respectively, the first pin 32 of the chip U1 is connected to one end of the capacitor C18, one end of the capacitor C15 and one end of the capacitor C14 respectively, the first pin 33 of the chip U1 is connected to the other end of the capacitor C18, the first pin 34 of the chip U1 is connected to the other end of the capacitor C15 respectively, the first pins 35 and 36 of the chip U1 are connected to the other end of the capacitor C14 respectively, the first pins 37 and 38 of the chip U1 are connected to one end of the capacitor C10 respectively, the first pin 39 of the chip U1 is connected to one end of the inductor L2, the other end of the inductor L2 is connected to one end of the capacitor C8 respectively, the first pin 33 of the chip U1 is connected to one end of the capacitor C5, the other end of the resistor R3 respectively, the other end of the resistor R3 is connected to one end of the capacitor R4 respectively, the other end of the resistor R4 is connected to one end of the capacitor C5 and the other end of the resistor R5 is connected to one end of the resistor C5 respectively, and the other end of the resistor R4 is connected to one end of the resistor C5 respectively.
The full-bridge power conversion module comprises a chip U2, a capacitor C24, a capacitor C26, a capacitor C19, a capacitor C20, a resistor R7, a resistor R6, a resistor R8, a resistor R10, a resistor R57, a resistor R15, a capacitor C31, a capacitor C37 and a capacitor C36, wherein a 2 nd pin of the chip U2 is respectively connected with one end of the capacitor C24 and one end of the capacitor C26, a 3 rd pin of the chip U2 is respectively connected with the other end of the capacitor C24, one end of the capacitor C19, one end of the capacitor C20 and the other end of the capacitor C26, a 4 th pin of the chip U2 is respectively connected with the other end of the capacitor C19 and the other end of the capacitor C20, a 5 th pin of the chip U2 is connected with one end of the resistor R7, a 6 th pin of the chip U2 is connected with one end of the resistor R6, a 7 th pin of the chip U2 is connected with one end of the resistor R8, an 8 th pin of the chip U2 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with one end of the resistor R57 and one end of the capacitor C11 respectively, the 11 th pin of the chip U2 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with one end of the capacitor C31, the 13 th pin of the chip U2 is connected with one end of the capacitor C36 and one end of the capacitor C37 respectively, the 10 th pin of the chip U1 is connected with one end of the capacitor C51 and one end of the resistor R37 respectively, the other end of the resistor R37 is connected with one end of the capacitor C50, the other end of the capacitor C50 is connected with the 28 th pin of the chip U1, the 29 th pin of the chip U1 is connected with the cathode of the diode D6, the anode of the diode D5 and one end of the resistor R56 respectively, and the 11 th pin of the chip U2 is connected with one end of the resistor R39, one end of the slide rheostat R42, one end of the resistor R45 and one end of the capacitor C53 respectively.
The control switching circuit module comprises a transmitting output unit, a resonance detection unit and a circuit switching unit, wherein the output end of the circuit switching unit is respectively connected with the input end of the transmitting output unit and the input end of the resonance detection unit.
The circuit switching unit comprises a MOS tube group Q1, a resistor R27, a capacitor C43, a capacitor C39, a capacitor C40, a resistor R31, a triode Q2, a resistor R32, a capacitor C45, a resistor R33, a triode Q3, a capacitor C35, a resistor R34, a capacitor C30, a capacitor C32, a capacitor C34, a resistor R18, a resistor R23 and a diode D4, wherein a first source electrode of the MOS tube group Q1 is connected with one end of the capacitor C39, a second source electrode of the MOS tube group Q1 is respectively connected with one end of the capacitor C40, one end of the capacitor C30, one end of the capacitor C32 and one end of the capacitor C34, a first drain electrode and a second drain electrode of the MOS tube group Q1 are respectively connected with one end of the resistor R27 and one end of the capacitor C43 in sequence, one end of the MOS tube group Q1 is connected with the other end of the resistor R27, the other end of the capacitor C43, one end of the second gate electrode of the MOS tube group Q1 is connected with one end of the resistor R31, the other end of the resistor R2 is connected with one end of the resistor R23, one end of the other end of the resistor C23 is connected with the resistor C33, one end of the other end of the resistor C33 is respectively connected with the resistor C23, one end of the resistor C33 is connected with the other end of the resistor C32, and the other end of the resistor C33 is connected with the other end of the resistor C33, and the other end of the resistor C33 is respectively.
The resonance detection unit comprises a capacitor C22, one end of the capacitor C22 is connected with the other end of the capacitor C30, and the other end of the capacitor C22 is respectively connected with one end of the capacitor C9, the other end of the capacitor C31 and the 10 th pin of the chip U2.
The transmitting output unit comprises a transmitting coil L3, one end of the transmitting coil L3 is connected with one end of the capacitor C22, and the other end of the transmitting coil L3 is respectively connected with the other end of the capacitor C11 and the 9 th pin of the chip U2.
The DC power supply is connected to supply power through an input interface CON1 or a lead;
u1 is a main control part and controls the input and output of the whole design;
u1 controls the power conversion of U2 through 1.2.3 foot PWM1 and 6.7.8 foot PWM 2; thereby controlling the power output of the wireless charging;
u1 controls the switching of an output coil (L3) or a capacitor (C22C 30C 32C 34) through a 20 th foot, and achieves the function of being compatible with different charging equipment by controlling different working parameters of the capacitor or the coil;
u1 detects the working parameter state of the coil L3 through the 9 th pin and the 29 th pin, and when the coil is detected to have watch load, the mode of the output coil (L3) or the capacitor (C22C 30C 32C 34) is controlled to be a watch charging working mode; when the mobile phone load is detected, controlling the mode of the output coil (L3) or the capacitor (C22C 30C 32C 34) to be a mobile phone charging working mode;
u1 is provided with NTC temperature detection circuits (R42, R45, R39, C53) through the 11 th pin;
u1 controls the magnitude of input voltage through the 12 th pin and the 14 th pin;
u1 outputs DC 5V voltage through the 39 th pin; through the 34 th pin, DC 3.3V voltage is output;
through the 33 rd pin, DC 1.8V voltage is output;
u1 inputs current detection through the 47 th pin and the 48 th pin;
the power supply is input through the CON1 interface and supplies power to the U1 main control module and the U2 full-bridge power conversion module of the rear-stage circuit; after the input is electrified, the U1 main control module controls the voltage range input by the input end to supply power through QC protocol circuits (R40, R41, R46, R51, R55, R52, R38 and R43); after the input power is on, the U1 main control module detects current through a circuit formed by R3, R4 and R5 to carry out overcurrent protection; detecting the temperature through a circuit formed by R39, R42, R45 and C43, and performing over-temperature protection; after the input is electrified, U1 decodes the voltage and the current through the voltage and the current of the detection coil L3, and judges whether a load needs to be charged or not; when the load is detected, the U1 negotiates the power supply state through the communication information sent by the load, and meanwhile, the charging equipment of which the load is can be judged through the communication information; in load charging, U1 controls the U2 full-bridge power conversion module to work through PWM1 and PWM2, and simultaneously controls the power output by U2 through PWM1 and PWM2 to meet the power required by load charging; after the load is charged, when the load is removed after the load is charged, after the U1 cannot detect a charging demand signal, the control is started to enter a standby state, and the next charging is waited.
After the input is electrified, the U1 can periodically transmit signals with fixed frequency, and the change of the detection capacitance can be used for realizing detection to judge whether a load needs to be charged or not; when detecting that a load needs to be charged, the U1 negotiates a power supply state through communication information sent by the load, and meanwhile, the charging equipment of the load can be judged through the communication information; charging equipment supporting the QI protocol of the wireless charging standard, such as a mobile phone, wherein the earphone is charged based on the QI protocol of the wireless charging standard, and different brands of charging products have respective QI information parameters which are transmitted through communication information in the charging process; the U1 control module judges which equipment needs to be charged by detecting and identifying the information parameters; after detecting and identifying which equipment needs to be charged, the U1 control module selects the resonance capacitance parameter or the coil inductance parameter of the needed equipment by controlling the switching control circuits of Q1, Q2 and Q3; because the charging parameters of the charging equipment of different types are different in requirements and different in control modes, the required matching parameters of the resonant circuits are also different, and U1 adjusts the resonance capacitance of C22, C30, C32 and C34 or the inductance of L3 by controlling the switching control circuits of Q1, Q2 and Q3 to be opened or closed, so that the matching parameters of the resonant circuits required by the current charging equipment are matched; and then starts to enter a charging state; the circuit modules of Q1, Q2, Q3, C22, C30, C32, C34 and L3 are key modules for realizing the functions of the patent, and are controlled by a U1 control module; u1 recognizes the type of the current charging equipment by detecting information changes on C22, C30, C32, C34 and L3, so as to control Q1, Q2 and Q3, and the circuit is used for realizing the matching parameters of the capacitance or inductance of the resonant circuit required by the current charging equipment;
the mobile phone can be charged by a single coil of a single wireless charger, and the watch can be charged by the single coil of the single wireless charger; when the user has the charging requirements of different charging equipment such as a mobile phone, a watch and the like, the user only needs to buy one wireless charger.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A wireless charger for realizing multifunctional wireless charging and outputting is characterized in that: the wireless charging charger for realizing the multifunctional wireless charging output comprises a power input module, a control module, a full-bridge power conversion module and a control switching circuit module, wherein the output end of the power input module is respectively connected with the input end of the control module and the input end of the full-bridge power conversion module, the control module is in communication connection with the full-bridge power conversion module, the output end of the full-bridge power conversion module is connected with the input end of the control switching circuit module, the output end of the control module is connected with the input end of the control switching circuit module, and the output end of the control switching circuit module is connected with the input end of the control module; the power supply input module is used for converting the commercial power and inputting the commercial power, and supplying power to and outputting the control module, the full-bridge power conversion module and the control switching circuit module; the control module is used for receiving the load parameter detected by the control switching circuit module to control power output and line emission output energy; the full-bridge power conversion module is used for carrying out power conversion output according to the instruction signal; and the control switching circuit module is used for detecting information output of the load charging equipment to the control module and executing instructions of the control module to output required charging energy.
2. The wireless charging charger for realizing the multifunctional wireless charging output according to claim 1, wherein the control switching circuit module comprises a transmitting output unit, a resonance detection unit and a circuit switching unit, and the output end of the circuit switching unit is respectively connected with the input end of the transmitting output unit and the input end of the resonance detection unit; the emission output unit is used for outputting energy wirelessly according to the instruction of the control module; the resonance detection unit is used for detecting various parameters of the charging load and transmitting the parameters to the control module; the circuit switching unit is used for controlling the circuit to output to the emission output unit according to the instruction.
3. The wireless charger for realizing multifunctional wireless charging and discharging according to claim 2, wherein the circuit switching unit comprises a MOS tube group Q1, a resistor R27, a capacitor C43, a capacitor C39, a capacitor C40, a resistor R31, a triode Q2, a resistor R32, a capacitor C45, a resistor R33, a triode Q3, a capacitor C35, a resistor R34, a capacitor C30, a capacitor C32, a capacitor C34, a resistor R18, a resistor R23 and a diode D4, wherein a first source electrode of the MOS tube group Q1 is connected with one end of the capacitor C39, a second source electrode of the MOS tube group Q1 is connected with one end of the capacitor C40, one end of the capacitor C30, one end of the capacitor C32 and one end of the capacitor C34 respectively, a first drain electrode and a second drain electrode of the MOS tube group Q1 are connected with one end of the resistor R27 and one end of the capacitor C43 respectively, the first grid of MOS nest Q1 is connected the other end of resistance R27, the other end of electric capacity C43, the one end of the second grid level resistance R31 of MOS nest Q1, the other end of resistance R31 is connected the collecting electrode of triode Q2, triode Q's projecting pole is connected respectively the one end of resistance R32 and the one end of electric capacity C45, triode Q2's base is connected respectively the other end of resistance R32, the other end of electric capacity C45 and the one end of resistance R33, the other end of resistance R33 is connected the collecting electrode of triode Q3, the base of triode Q3 is connected respectively the one end of resistance R35 and the one end of resistance R34, the other end of electric capacity C34 is connected respectively the other end of electric capacity C32, the other end of electric capacity C30, the one end of resistance R18 and the one end of resistance R23, the other end of resistance R23 is connected the positive pole of diode D4.
4. The wireless charging device for realizing the multifunctional wireless charging and outputting according to claim 3, wherein the resonance detection unit comprises a capacitor C22, one end of the capacitor C22 is connected to the other end of the capacitor C30, and the other end of the capacitor C22 is respectively connected to one end of the capacitor C9, the other end of the capacitor C31 and the 10 th pin of the chip U2.
5. The wireless charging device for realizing the multifunctional wireless charging output according to claim 4, wherein the transmitting output unit comprises a transmitting coil L3, one end of the transmitting coil L3 is connected with one end of the capacitor C22, and the other end of the transmitting coil L3 is respectively connected with the other end of the capacitor C11 and the 9 th pin of the chip U2.
6. The wireless charging device for realizing the multifunctional wireless charging and outputting according to claim 5, wherein the power input module comprises a connection terminal CON1, a diode D2, a capacitor C49, a capacitor C3, a resistor R1, a resistor R2, a coil L1, a capacitor C1 and a capacitor C2, pins 2 and 11 of the connection terminal CON1 are respectively connected with one end of the diode D2, one end of the capacitor C3, one end of the resistor R1 and a pin 4 of the coil L1, the other end of the capacitor C3 is respectively connected with one end of the resistor R2 and a first pin of the coil L1, a pin 2 of the coil L1 is connected with the other end of the resistor R2, and the other end of the resistor R1 is respectively connected with a pin 3 of the coil L1, one end of the capacitor C49, one end of the capacitor C1 and one end of the capacitor C2.
7. The wireless charger of claim 6 wherein said control module comprises a chip U1, a capacitor C16, a capacitor C29, a resistor R22, a resistor R25, a capacitor C42, a capacitor C44, a resistor R28, a resistor R58, a resistor R30, a resistor R26, a capacitor C48, a capacitor C46, a capacitor C47, a resistor R29, a capacitor C33, a resistor R16, a capacitor C18, a capacitor C15, a capacitor C14, a capacitor C10, a capacitor C8, an inductor L2, a capacitor C5, a resistor R3, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C6, a resistor R55, a resistor R51, a resistor R41, a resistor R46, a resistor R40, a resistor R52, a resistor R43 and a resistor R38, a pin 1 of said chip U1 is connected to one end of said capacitor C16, a pin 2 and a pin 3 of said chip U1 is connected to another end of said capacitor C16, a pin 8 of said chip U1 is connected to one end of said capacitor C29, the other end of the capacitor C29 is respectively connected with the 6 th pin and the 7 th pin of the chip U1, the 9 th pin of the chip U1 is respectively connected with one end of the resistor R25, one end of the capacitor C42 and one end of the resistor R30, the other end of the capacitor C42 is respectively connected with one end of the capacitor C44, one end of the resistor R28 and one end of the resistor R58, the 12 th pin of the chip U1 is respectively connected with one end of the resistor R22 and one end of the resistor R51, the 13 th pin of the chip U1 is connected with one end of the resistor R38, the other end of the resistor R38 is respectively connected with one end of the resistor R43 and one end of the resistor R52, the other end of the resistor R51 is respectively connected with one end of the resistor R55 and one end of the resistor R41, the other end of the resistor R46 is respectively connected with one end of the resistor R40 and one end of the resistor R41, the 14 th pin of the chip U1 is connected with one end of the resistor R26, the first pin 19 of the chip U1 is connected to one end of the capacitor C46 and one end of the capacitor C48, the first pin 21 of the chip U1 is connected to one end of the capacitor C47 and one end of the resistor R29, the first pin 27 of the chip U1 is connected to one end of the resistor R16 and one end of the capacitor C33, the first pin 32 of the chip U1 is connected to one end of the capacitor C18, one end of the capacitor C15 and one end of the capacitor C14, the first pin 33 of the chip U1 is connected to the other end of the capacitor C18, the first pin 34 of the chip U1 is connected to the other end of the capacitor C15, the first pins 35 and 36 of the chip U1 are connected to the other end of the capacitor C14, the first pins 37 and 38 of the chip U1 are connected to one end of the capacitor C10, the first pin 39 of the chip U1 is connected to one end of the inductor L2, the other end of the capacitor C8 is connected to one end of the capacitor C47, the first pin 47 of the chip U1 is connected to the other end of the capacitor C5, the other end of the resistor R3 and the other end of the resistor R4 are connected to the other end of the resistor R4 and the resistor R4 are connected to the other end of the resistor R5.
8. The wireless charger of claim 7 wherein the full-bridge power conversion module comprises a chip U2, a capacitor C24, a capacitor C26, a capacitor C19, a capacitor C20, a resistor R7, a resistor R6, a resistor R8, a resistor R10, a resistor R57, a resistor R15, a capacitor C31, a capacitor C37 and a capacitor C36, a 2 nd pin of the chip U2 is connected to one end of the capacitor C24 and one end of the capacitor C26, a 3 rd pin of the chip U2 is connected to the other end of the capacitor C24, one end of the capacitor C19, one end of the capacitor C20 and the other end of the capacitor C26, a 4 th pin of the chip U2 is connected to the other end of the capacitor C19 and the other end of the capacitor C20, a 5 th pin of the chip U2 is connected to one end of the resistor R7, a 6 th pin of the chip U2 is connected to one end of the resistor R6, a 7 th pin of the chip U2 is connected to one end of the resistor R8, the 8 th pin of the chip U2 is connected with one end of the resistor R10, the other end of the resistor R10 is respectively connected with one end of the resistor R57 and one end of the capacitor C11, the 11 th pin of the chip U2 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with one end of the capacitor C31, the 13 th pin of the chip U2 is respectively connected with one end of the capacitor C36 and one end of the capacitor C37, the 10 th pin of the chip U1 is respectively connected with one end of the capacitor C51 and one end of the resistor R37, the other end of the resistor R37 is connected with one end of the capacitor C50, the other end of the capacitor C50 is connected with the 28 th pin of the chip U1, the 29 th pin of the chip U1 is respectively connected with the cathode of the diode D6, the anode of the diode D5 and one end of the resistor R56, and the 11 th pin of the chip U2 is respectively connected with one end of the resistor R39, one end of the slide rheostat R42, one end of the resistor R45 and one end of the capacitor C53.
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