CN115360829A

CN115360829A - Self-learning control method of remote wireless charging system based on relay coil and wireless charger

Info

Publication number: CN115360829A
Application number: CN202210450249.7A
Authority: CN
Inventors: 谢文卉; 陈欢欢; 徐再山; 曲艳超; 吕紫棋
Original assignee: Jicheng Wireless Shenzhen Co ltd
Current assignee: Jicheng Wireless Shenzhen Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2022-11-18
Also published as: CN112952947A; CN112952947B

Abstract

The invention provides a self-learning control method of a remote wireless charging system based on a relay coil and a wireless charger _Pj Or F _Vj From large to smallAnd sequentially calling the mapping data sets of the weight values to configure the operating parameters of the transmitting coil, judging whether the transmitting end receives a charging request signal sent by the receiving end, and if so, adjusting the transmitting power of the transmitting coil according to the requirement of the receiving end to charge the wireless charging receiving end. By the arrangement, when the wireless charging system applying the control method is wirelessly charged again, the wireless charging system can quickly respond and more quickly enter a wireless charging program to output energy under the condition of remote charging, and the charging response speed and the user experience are improved.

Description

Self-learning control method of remote wireless charging system based on relay coil and wireless charger

Technical Field

The invention relates to the technical field of wireless charging, in particular to a relay coil-based self-learning control method for a remote wireless charging system and a wireless charger.

Background

Wireless charging is because of its can realize the wireless ization between the supply unit who charges and the power consumption receiving equipment for it can solve the desktop on the power cord many and mixed and disorderly problem, has received house class consumer's favor more and more. However, wireless charging systems in the market at present are based on Qi, the charging distance of the Qi wireless charging system is only 5mm-8mm, and most of thicknesses of table tops are generally between 15mm-30mm, so that the existing wireless charging products can be solved only by drilling holes under the table tops and embedding the wireless charger into the table, but the drilling holes not only damage the structure of the table and affect the appearance, but also consume manpower and man-hours. Meanwhile, the wireless charger is required to be arranged in a desk hole, so that popularization and application of the wireless charger in the aspects of office and home are greatly influenced. In addition, different users have different wireless charging receiving end devices, and the same user may also have different receiving end devices, such as wireless charging receiving end devices of mobile phones, and the like.

Disclosure of Invention

Based on the above, the self-learning control method of the remote self-adaptive wireless charging system and the wireless charger applying the method are provided, wherein the self-learning control method can adapt to a larger charging distance, can adapt to various desktop thickness ranges, and can quickly respond during wireless charging.

A method of controlling a remote adaptive wireless charging system, the method comprising: setting the input voltage of the wireless charging transmitting coil as a first input voltage, setting the transmitting frequency of the wireless charging transmitting coil as a first transmitting frequency, setting the duty ratio of the transmitting frequency of the wireless charging transmitting coil as a first duty ratio, and at T ₀ To T ₁ Continuously acquiring characteristic values q of the n wireless charging transmitting coils according to a set period in a first time period _n And obtaining a first characteristic value Q1 by referring to the formula (I):

Q＝[(q ₁ +q ₂₊ q ₃₊ ...+q _n )-(q _min +q _max )]/(n-2) (one)

Wherein q is _min Characteristic value q of n wireless charging transmitting coils _n Minimum value of (1); q is a number of _max Characteristic value q of n wireless charging transmitting coils _n Maximum value of (1); n is a positive integer greater than or equal to 3; judging whether the first characteristic value Q1 is smaller than or equal to a first set value or not, if so, judging that a relay coil exists in the wireless charging system, and judging that the relay coil exists at T ₂ Constantly acquiring a second characteristic value Q2 of the wireless charging transmitting coil; the T is ₂ Time is not T ₀ To T ₁ At any time within the first time period; setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T _x0 To T _x1 Obtaining an average characteristic value q of the wireless charging transmitting coil in a second time period _x ；T _x0 To T _x1 Is not T ₀ To T ₁ Any time period within the first time period of (a); the second transmit frequency is greater than the first transmit frequency; obtaining a distance D1 between the wireless charging transmitting coil and the relay coil by reference to equation (II):

D＝b×e ^ax (II)

Wherein a and b are constants, and the value of x is the average characteristic value q _x A value of (d); calculating first PING power or first PING voltage according to the distance D1 between the wireless charging transmitting coil and the relay coil; setting the transmitting power of the wireless charging transmitting coil as the first PING power or setting the input voltage of the wireless charging transmitting coil as the first PING voltage, judging whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to a formula (III) ₁ Or regulating the input voltage of the wireless charging transmitting coil to V according to the equation (IV) ₁ ：

P _i ＝P _ping + DELTAP × m (three)

V _i ＝V _ping +. Δ V × m; (IV)

Wherein, P _i Actual power value, V, for the wireless charging transmitting coil _i Actual value of input voltage, P, for said wireless charging transmitting coil _ping Is the first PING power, V _ping The first PING voltage is obtained, delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment change unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged again, if yes, P is correspondingly added ₁ Has a weight value of F _P1 Or increasing V ₁ Has a weight value of F _V1 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; the D1 and the P are ₁ 、F _P1 Q2 is recorded and set as a first mapping data set, or, the D1, V are set ₁ 、F _V1 And Q2 is recorded and set as the first mapping data group.

In one embodiment, the P is obtained with reference to equation (V) ₁ Weight value of F _P1 Obtaining the V by referring to equation (VI) ₁ Weight value of F _V1 ：

Wherein k is _p And k _v Multiplying power, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer. F _P(j-1) Is referred to as F _Pj Weight value before change, F _V(j-1) Is referred to as F _Vj The weight value before change.

In one embodiment, F is defaulted _P0 Is 0, default F _V0 The value of (2) is 0.

In one embodiment, the method further comprises: and setting the m as a positive number, adjusting the m in the gradually increasing direction, judging whether the m is larger than or equal to a second set value, if so, setting the m as a negative number, and adjusting the m in the gradually decreasing direction.

In one embodiment, the method further comprises: under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative position of the wireless charging receiving coil and the wireless charging transmitting coil is changed, and the transmitting power adjustment P of the wireless charging transmitting coil is obtained by referring to the formula (III) ₂ Obtaining said P by reference to equation (V) ₂ Weight value of F _P2 Or, obtaining the input voltage adjustment V of the wireless charging transmitting coil according to the formula (IV) ₂ Obtaining said V with reference to equation (six) ₂ Weight value of F _V2 (ii) a The P is added ₂ 、F _P2 Recorded and set to a second mapping data set, orThen, the V is adjusted ₂ 、F _V2 Recording and setting to a second mapping data group; judging the F _P2 Whether or not it is greater than F _P1 If so, the second mapping data group is invoked in preference to the first mapping data group when the mapping data is invoked, otherwise, the first mapping data group is invoked in preference to the second mapping data group.

In one embodiment, the method further comprises: judging the F _P1 And if the mapping data set is larger than the third set value, setting the first mapping data set as a default mapping data set of the wireless charging system under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: setting the k by adjustment _p Or k _v To adjust the speed of replacement of the priority order when the first mapping data set and the second mapping data set are called.

In one embodiment, the transmitting power of the wireless charging transmitting coil is set as the first PING power, or the input voltage of the wireless charging transmitting coil is set as the first PING voltage, and whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal is judged, if yes, the transmitting power of the wireless charging transmitting coil is adjusted according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; the distance D1, the first PING power and/or the first PING voltage are recorded with the second characteristic value Q2 and set as a third mapping data set, or the first PING power and/or the first PING voltage are recorded and set as the first mapping data set.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further comprises: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Time of dayAcquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 as a fourth mapping data group; said T is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further comprises: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 to the first mapping data group; the T is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further comprises: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 as a fourth mapping data group, and recording and setting the third characteristic value Q3 to the first mapping data group; the T is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, the method further comprises: calculating a first ASM communication demodulation width parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; recording and setting the first ASM communication demodulation width parameter into the first mapping data group.

In one embodiment, the method further comprises: calculating a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; recording and setting the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further comprises: calculating a first ASM communication demodulation width parameter and a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; recording and setting the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further comprises: calculating a first FSK communication modulation depth parameter T according to the distance D1 between the wireless charging transmitting coil and the relay coil ₁ And setting the weight value of the first FSK communication modulation depth parameter to be F _T1 (ii) a Modulating information sent to a wireless charging receiving end by a wireless charging transmitting end by using the first FSK communication modulation depth parameter, judging whether the wireless charging transmitting end receives feedback information of the wireless charging receiving end, and if not, calculating a second FSK communication modulation depth parameter T by referring to the formula (seven) ₂ ：

T _w ＝T _(w-1) +. DELTA T X h (seven)

Wherein, T _w Modulating a depth parameter, T, for actual FSK communication at the wireless charging transmitter _(w-1) Is T _w The basic FSK communication modulation depth parameter is shown in the specification, wherein Delta T is the minimum adjustment change unit of the FSK communication modulation depth parameter, h is an integer, and w is a positive integer; modulating information sent to the wireless charging receiving end by the wireless charging transmitting end by using the second FSK communication modulation depth parameter, and whether the wireless charging transmitting end receives feedback information of the wireless charging receiving end again, if so, acquiring the T according to a formula (eight) ₂ Weight value of F _T2 ：

Wherein k is _T Is magnification, L _T Is constant, F _Tr And F _T(r-1) Is a weight value and F _T(r-1) Is F _Tr Base weight value of (1), i.e. F _Tr Before change, r is a positive integer; the D1 and the T ₁ 、F _T1 Q2 is recorded and set as a fifth mapping data group; mixing the D1 and the T ₂ 、F _T2 And Q2 is recorded and set as the sixth mapping data group.

In one embodiment, F is defaulted _T0 The value of (d) is 0.

In one embodiment, the method further comprises: and setting h as a positive number, adjusting the h in the direction of gradual increase, judging whether the h is greater than or equal to a third set value, if so, setting h as a negative number, and adjusting the h in the direction of gradual decrease.

In one embodiment, the method further comprises: according to said F _T1 And said F _T2 The sequence of the fifth mapping data group and the sixth mapping data group is set as the sequence of the fifth mapping data group and the sixth mapping data group when being called.

In one embodiment, the method further comprises: judging the F _T2 Whether or not it is greater than F _T1 If so, the sixth mapping data group is invoked in preference to the fifth mapping data group when the mapping data is invoked, otherwise, the fifth mapping data group is invoked in preference to the sixth mapping data group.

In one embodiment, the method further comprises: when it is judged that F is _T2 Greater than F _T1 Then, judging the F _T2 And if so, setting the sixth mapping data group as a default mapping data group modulated by the wireless charging system information under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: setting the k by adjustment _T To adjust a plurality of values for information modulationAnd (4) the replacement speed of the sequence when each mapping data set is called when the mapping data set is prepared.

In one embodiment, the method further comprises: calculating a first ASM communication demodulation width parameter G according to the distance D1 between the wireless charging transmitting coil and the relay coil ₁ And setting the first ASM communication demodulation width parameter G ₁ Has a weight value of F _G1 (ii) a Demodulating the width parameter G with the first ASM communication ₁ Demodulating the information received by the wireless charging transmitting terminal, judging whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal, and if not, calculating a second ASM communication demodulation width parameter G according to the formula (nine) ₂ ：

G _s ＝G _(s-1) + DELTAG × u (nine)

Wherein G is _s Demodulating width parameter, G, of actual ASM communication of the wireless charging transmitting terminal _(s-1) Is G _s The basic ASM communication demodulation width parameter, wherein delta G is the minimum adjustment change unit of the ASM communication demodulation width parameter, u is an integer, and s is a positive integer; demodulating the width parameter G with the second ASM communication ₂ Demodulating the information received by the wireless charging transmitting terminal, judging whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal again, and if so, acquiring the G according to the equation (ten) ₂ Weight value of F _G2 ：

Wherein k is _G Is magnification, L _G Is constant, F _Gy And F _G(y-1) Is a weight value and F _G(y-1) Is F _Gy Base weight value of (1), i.e. F _Gy A weight value before change, y being a positive integer; subjecting the D1 and G to ₁ 、F _G1 Q2 is recorded and set as a seventh mapping data group; subjecting the D1 and G to ₂ 、F _G2 And Q2 is recorded and set as the eighth mapping data group.

In one embodiment, F is defaulted _G0 The value of (d) is 0.

In one embodiment, the method further comprises: and setting u as a positive number, adjusting in a gradually increasing direction, judging whether u is larger than or equal to a third set value, and if so, setting u as a negative number, and adjusting in a gradually decreasing direction.

In one embodiment, the method further comprises: according to said F _G1 And said F _G2 The order of the size of the third mapping data group and the order of the size of the second mapping data group are set to the order of the seventh mapping data group and the eighth mapping data group when the seventh mapping data group and the eighth mapping data group are called.

In one embodiment, the method further comprises: judging the F _G2 Whether or not it is greater than F _G1 If so, the eighth mapping data set is invoked in preference to the seventh mapping data set when the mapping data is invoked, otherwise, the seventh mapping data set is invoked in preference to the eighth mapping data set.

In one embodiment, the method further comprises: when it is judged that F is _G2 Greater than F _G1 Then, judging the F _G2 And if the mapping data group is larger than the third set value, setting the eighth mapping data group as a default mapping data group for demodulating the information of the wireless charging system under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: setting the k by adjustment _G The value of (c) to adjust the replacement speed of the order in which the respective mapping data sets are called when the plurality of mapping data sets for information demodulation are called.

In one embodiment, each mapping data set is updated into FLASH via I2C.

In one embodiment, the changed weight value is updated to the FLASH through I2C.

In one embodiment, T is obtained ₄ A fourth characteristic value Q4 of the wireless charging transmitting coil is determined at the moment, and the fourth characteristic value Q4 is judged to beIf not, judging whether the second characteristic value Q2 is less than or equal to the second characteristic value, if so, judging whether a wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if so, adjusting the transmitting power of a wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; the T is ₄ Time is not T ₀ To T ₁ And at a time point on a set period. Namely, the fourth characteristic value Q4 of the wireless charging transmitting coil is periodically acquired.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: and judging whether the fourth characteristic value Q4 is less than or equal to the third characteristic value Q3, if so, controlling an alarm indicator lamp in the system to be on or a buzzer to be sounded.

In one embodiment, the first input voltage is between 4.5V and 5.5V.

In one embodiment, the first transmission frequency is between 0.1Hz and 1 Hz.

In one embodiment, the second transmission frequency is between 100k Hz and 150k Hz.

In one embodiment, the first duty cycle is between 10% and 50%.

In one embodiment, the first duty cycle is 20%.

In one embodiment, the first set point is between 2.6 and 3.5.

In one embodiment, the first set value is 3.

In one embodiment, the fourth set point is between 1.8 and 2.5.

In one embodiment, the fourth setting value is 2.

In one embodiment, the second set point is between 7 and 15.

In one embodiment, the second set point value is between 5 and 12.

In one embodiment, the second set value has a value of 11.

In one embodiment, the second set value has a value of 9.

In one embodiment, the third set point is between 3 and 10.

In one embodiment, the third set point is between 4 and 8.

In one embodiment, the third setting value has a value of 5.

In one embodiment, the third setting value has a value of 7.

In one embodiment, m has a value between-11 and 11.

In one embodiment, m has a value between-8 and 8.

In one embodiment, m has a value between-5 and 5.

In one embodiment, m has a value between-7 and 7.

In one embodiment, h has a value between-11 and 11.

In one embodiment, h has a value between-8 and 8.

In one embodiment, h has a value between-5 and 5.

In one embodiment, h has a value between-7 and 7.

In one embodiment, u has a value between-11 and 11.

In one embodiment, u has a value between-8 and 8.

In one embodiment, u has a value between-5 and 5.

In one embodiment, u has a value between-7 and 7.

In one embodiment, the characteristic value is a signal characteristic value of the wireless charging transmit coil voltage.

In one embodiment, the characteristic value is a signal characteristic value of the wireless charging transmit coil power.

In one embodiment, the characteristic value is a signal characteristic value of the wireless charging transmit coil current.

According to the self-learning control method of the remote self-adaptive wireless charging system, a small section of very weak electrified operation is carried out on the wireless charging transmitting coil in the environment of first input voltage, first transmitting evaluation rate and first duty ratio at the initial stage, the characteristic value of the transmitting coil is periodically collected, the first characteristic value Q1 of the transmitting coil is obtained according to a specific logical relation, whether a relay coil exists in the system or not can be judged according to the first characteristic value Q1, if the relay coil exists, the distance D1 between the transmitting coil and the relay coil is calculated by combining a second set of operation logic through an innovative fitting formula, after the distance is known, the first PING power or the first PING voltage is calculated through a third set of operation logic, meanwhile, the transmitting power or the input voltage of the transmitting coil is set according to the parameters of the first PING power or the first PING voltage, and under the first PING power or the first PING voltage, a receiving end (such as a mobile phone with the wireless charging function) existing in the range of the charging system can be powered on, and information can be sent to the transmitting end. If the receiving end is not electrified under the environment of the first PING power or the first PING voltage, trying to increase the PING power to P1 or increase the PING voltage to V1, if the receiving end is electrified under the environment of the P1 power or the V1 voltage, recording the environment P1 power or the V1 voltage at the moment to be more appropriate, increasing the weight value of the more appropriate environment P1 power or the V1 voltage and increasing the D1 and the P1 voltage in order to enable the receiving end to be charged in the wireless charging system again to quickly respond, wherein the more appropriate environment P1 power or the V1 voltage is increased, and the D1 and the P1 voltage are increased ₁ 、F _P1 Q2 is recorded and set as a first mapping data set, or, the D1, V are set ₁ 、F _V1 And Q2 is recorded and set as the first mapping data group. The wireless charging device is ready to be invoked and applied preferentially, and the purpose of wireless charging quick response is achieved. When carrying out wireless charging again, the quick charging parameter of transferring in the first mapping data group for wireless charger can quick response, improves user experience.

According to the method, the application also provides a control method for learning results by applying the method.

A method of self-learning control of a remote adaptive wireless charging system, the method comprising: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, and judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, if so, according to a weight value F _Pj Or F _Vj Sequentially calling mapping data groups where the weight values are located from large to small to configure operating parameters of the wireless charging transmitting coil, judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end;

said T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work;

the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments;

said F _Pj Is the weight value F in any one of the above embodiments _Pj ；

Said F _Vj Is the weight value F in any one of the above embodiments _Vj ；

The first input voltage is the first input voltage in any one of the above embodiments;

the first transmitting frequency is the first transmitting frequency in any one of the above embodiments;

the first duty cycle is the first duty cycle in any of the above embodiments.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weighted value F in the mapping data set called at the moment is increased _Pj Or F _Vj 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weighted value F in the mapping data set called at the moment is increased _Pj Or F _Vj While decreasing the weight value in the last mapping data group in the calling order.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F is increased by referring to the formula (V) _Pj Increasing the weight value F with reference to equation (six) _Vj 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, judging the weight value F in the mapping data set called at the moment _Pj Or F _Vj Whether it is the maximum weight value F _Pmax Or F _Vmax If not, increasing the weight value F in the mapping data group called at the moment _Pj Or F _Vj While decreasing the maximum weight value F _Pmax Or the maximum weight value F _Vmax 。

In one embodiment, the method further comprises: increasing the weight value F with reference to equation (V) _Pj Increasing the weight value F with reference to equation (six) _Vj While applying the maximum weight value F _Pmax Is modified and set to

Dividing the maximum weight value F _Vmax Is modified and set to

Wherein k is _P Is magnification, L _P The value is constant, the delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, and m is an integer.

In one embodiment, the method further comprises: when the mapping data set is completely called, the wireless charging transmitting terminal still does not receive a charging request signal sent by the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is set to be first PING power or the input voltage of the wireless charging transmitting coil is set to be first PING voltage; the first PING power is the first PING power in any of the above embodiments; the first PING voltage is the first PING voltage in any of the embodiments described above.

In one embodiment, after the mapping data set is completely called, the wireless charging transmitting terminal still does not receive the charging request signal sent by the wireless charging receiving terminal, the transmitting power of the wireless charging transmitting coil is set to be the first PING power, or the input voltage of the wireless charging transmitting coil is set to be the first PING voltage, whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal is judged, and if not, the transmitting power of the wireless charging transmitting coil is adjusted to be P by referring to formula (three) to adjust the transmitting power of the wireless charging transmitting coil to be P ₃ Or regulating the input voltage of the wireless charging transmitting coil to V according to the equation (IV) ₃ And judging whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal again, if so, obtaining P according to the formula (V) ₃ Weight value of F _P3 Or obtaining V by referring to equation (six) ₃ Weight value of F _V3 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; the P is added ₃ And said F _P3 Recording and setting to the fifth mapping data group, or, the V ₃ And F _V3 Recording and setting to the fifth mapping data group; the first PING power is the first PING power in any of the above embodiments; the first PING voltage is the first PING voltage in any of the embodiments described above.

The self-learning control method of the remote self-adaptive wireless charging system is characterized in that the characteristic value (the first time) of the transmitting coil at a certain moment is obtainedFive characteristic values Q5) are compared with the characteristic values (second characteristic values Q2) of the transmitting coil with the relay coil and the wireless charging receiving end on the relay coil, so that whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be quickly judged in advance, and then the judgment is carried out according to the weight value F _Pj Or F _Vj The mapping data sets where the weight values are located are sequentially called from large to small according to the numerical values of the wireless charging transmitting coil, the operating parameters of the wireless charging transmitting coil are directly configured, and therefore the matching requirement of a common receiving end can be quickly adapted.

According to the method, the application also provides another control method for learning results by applying the method.

A method of controlling a remote adaptive wireless charging system, the method comprising: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, and judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, if so, judging whether the wireless charging transmitting end receives a charging request signal sent by a wireless charging receiving end, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; the T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; the first input voltage is the first input voltage in any one of the above embodiments; the first transmitting frequency is the first transmitting frequency in any one of the above embodiments;the first duty cycle is the first duty cycle in any of the above embodiments.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: setting the transmitting power of the wireless charging transmitting coil as a first PING power, or setting the input voltage of the wireless charging transmitting coil as a first PING voltage; the first PING power is the first PING power in any of the above embodiments; the first PING voltage is the first PING voltage in any of the embodiments described above.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: judging whether the fifth characteristic value Q5 is smaller than or equal to a third characteristic value Q3, if so, controlling an alarm indicator lamp in the system to be on or a buzzer to be sounded; the third characteristic value Q3 is the third characteristic value Q3 in any one of the embodiments described above.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: judging whether the fifth characteristic value Q5 is smaller than or equal to a fourth set value, if so, controlling an alarm indicator lamp in the system to be on or a buzzer to be sounded; the fourth setting value is the fourth setting value in any one of the embodiments described above.

According to the control method of the remote adaptive wireless charging system, the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment is obtained and compared with the characteristic value (the second characteristic value Q2) of the transmitting coil when the relay coil exists and the wireless charging receiving end exists on the relay coil, so that whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be judged quickly, and whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be judged accurately by judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end. By the arrangement, the wireless charging system applying the control method can quickly respond when wirelessly charging again, can quickly enter a wireless charging program to output energy, and improves user experience.

A wireless charging self-learning control method of remote adaptive FSK communication modulation, the method comprising: judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, if so, according to a weight value F _Tr The mapping data group where the weight value is located is sequentially called from large to small to modulate the communication information of the wireless charging transmitting terminal, whether the wireless charging transmitting terminal receives a feedback signal sent by the wireless charging receiving terminal based on the communication information is judged, and if yes, the FSK communication modulation depth parameter which can currently receive the feedback information is adopted to modulate the information sent by the wireless charging transmitting terminal to the wireless charging receiving terminal; said F _Tr The weight value F in any one of the above embodiments _Tr (ii) a The FSK communication modulation depth parameter is the FSK communication modulation depth parameter described in any of the above embodiments; the mapping data set is the mapping data set recited in claim 1.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, the weight value F in the mapping data set called at the moment is increased _Tr 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, the weighted value F is increased by referring to the formula (eight) _Tr 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, judging the weight value F in the mapping data set called at the moment _Tr Whether it is the maximum weight value F _Tmax If not, the judgment is carried out,increasing the weight value F in the mapping data set called at the time _Tr While decreasing the maximum weight value F _Tmax 。

In one embodiment, the method further comprises: increasing the weight value F with reference to equation (eight) _Tr While applying the maximum weight value F _Tmax Is modified and set to

Wherein k is _T Is magnification, L _T The value is constant, the delta T is the minimum adjustment change unit of the FSK communication modulation depth parameter, and h is an integer.

In one embodiment, the method further comprises: and when the mapping data set is completely called, the wireless charging transmitting terminal still does not receive the feedback signal of the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is reduced or closed.

In one embodiment, before determining whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, the method includes: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, and judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, if so, continuously judging whether the wireless charging transmitting end receives a charging request signal sent by a wireless charging receiving end; the T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; the first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any one of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

A method of the aboveThe wireless charging self-learning control method of distance self-adaptive FSK communication modulation comprises the steps that when a wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, according to a weight value F _Tr The mapping data sets of the weight values are sequentially called from large to small to modulate the communication information of the wireless charging transmitting terminal, whether the wireless charging transmitting terminal receives a feedback signal sent by the wireless charging receiving terminal based on the communication information is judged, and if yes, the FSK communication modulation depth parameter capable of receiving the feedback information at present is adopted to modulate the information sent by the wireless charging transmitting terminal to the wireless charging receiving terminal. Since whether the receiving end can perform fast charging (generally 15 watts) with the transmitting end or wireless charging in an EPP architecture also depends on whether the receiving end can complete a charging protocol (complete authentication or binding) with the transmitting end within a specified time, the setting is such that the weight value F is known from the above contents _Tr The larger the numerical value is, the more the operation parameters in the mapping data set in which the mapping data set is located are fitted to the operation parameters of the wireless charging system formed by the common receiving end of the user, the transmitting end and the relay, so that the common receiving end of the user can quickly respond to the communication when the wireless charging is required, the situation that the handshake is unsuccessful and charging can only be carried out at low power (generally 5 watts) is prevented, the response speed is improved, and the user experience is enhanced.

A remote adaptive ASM communication demodulation wireless charging self-learning control method, the method comprising: judging whether the wireless charging transmitting terminal receives a signal which is sent by the wireless charging receiving terminal and used for feeding back the charging demand parameter, if so, according to the weight value F _Gy The order of the numerical values from large to small calls the mapping data group where the weight value is located in sequence to demodulate the communication information of the wireless charging transmitting terminal, and judges whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal, if so, the wireless charging transmitting terminal demodulates the wireless charging by adopting the ASM communication demodulation width parameter which can currently acquire the charging demand parameter information of the wireless charging receiving terminalInformation received by the electrical transmitter; said F _Gy The weight value F in any one of the above embodiments _Gy (ii) a The ASM communication demodulation width parameter is the ASM communication demodulation width parameter in any of the above embodiments; the mapping data set is the mapping data set in any of the above embodiments.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, increasing the weight value F in the mapping data group called at the moment _Gy 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, the weight value F is increased by referring to the equation (ten) _Gy 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, judging the weight value F in the mapping data group called at the moment _Gy Whether it is the maximum weight value F _Gmax If not, increasing the weight value F in the mapping data group called at the moment _Gy While decreasing the maximum weight value F _Gmax 。

In one embodiment, the method further comprises: increasing the weight value F with reference to equation (ten) _Gy While applying the maximum weight value F _Gmax Is modified and set to

Wherein k is _G Is magnification, L _G The value is constant, Δ G is the minimum adjustment variation unit of the ASM communication demodulation width parameter, and u is an integer.

In one embodiment, the method further comprises: and after the mapping data set is completely called, the wireless charging transmitting terminal still does not acquire the charging demand parameter information fed back by the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is closed.

In one embodiment, before determining whether the wireless charging transmitting terminal receives a signal for feeding back the charging requirement parameter sent by the wireless charging receiving terminal, the method includes: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, and judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, if so, continuously judging whether the wireless charging transmitting end receives a signal which is sent by a wireless charging receiving end and used for feeding back a charging demand parameter; the T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; the first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any one of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

In one embodiment, each changed mapping data set is updated into FLASH via I2C.

In one embodiment, the changed weight values are updated into FLASH through I2C.

The above-mentioned wireless charging self-learning control method for remote adaptive ASM communication demodulation,

when the wireless charging transmitting terminal receives a signal which is sent by the wireless charging receiving terminal and used for feeding back the charging demand parameter, the wireless charging transmitting terminal feeds back the charging demand parameter according to the weight value F _Gy The communication information of the wireless charging transmitting terminal is demodulated by sequentially calling the mapping data group where the weight value is located from large to small, whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal is judged, and if yes, the wireless charging terminal can be currently acquiredAnd demodulating the information received by the wireless charging transmitting terminal by using the ASM communication demodulation width parameter of the receiving terminal charging demand parameter information. Since whether the receiving end can perform fast charging (generally 15 watts) with the transmitting end or the wireless charging of the EPP architecture also depends on whether the receiving end can complete the charging protocol (complete authentication or binding) with the transmitting end within a specified time, the weight value F can be known from the above contents _Gy The larger the numerical value is, the more the operation parameters in the mapping data set in which the mapping data set is located are fitted to the operation parameters of the wireless charging system formed by the common receiving end of the user, the transmitting end and the relay, so that the common receiving end of the user can quickly respond to the communication when the wireless charging is required, the situation that the handshake is unsuccessful and charging can only be carried out at low power (generally 5 watts) is prevented, the response speed is improved, and the user experience is enhanced.

A self-learning control method of a remote wireless charging system based on a relay coil is disclosed, wherein a plurality of mapping data sets which can be read and called by a computer processor are stored in the wireless charging system; the data in the mapping data set includes: d1, P _i 、F _Pj Q2, or D1, V _i 、F _Vj Q2; the D1 is the distance between the relay coil and the wireless charging transmitting coil; the P is _i Transmitting power for the wireless charging transmitting coil; the V is _i An input voltage for the wireless charging transmit coil; said F _Pj Is the said F _Pj The weight value of the mapping data group; said F _Vj Is the said F _Vj The weight value of the mapping data group; the Q2 is a characteristic value of the wireless charging transmitting coil when the distance between the relay coil and the wireless charging transmitting coil is D1; wherein i is a positive integer; j is a positive integer; the method comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, and judgingWhether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2 or not, if so, according to the weight value F _Pj Or F _Vj Sequentially calling mapping data groups where the weight values are located from large to small to configure operating parameters of the wireless charging transmitting coil, judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; the T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the characteristic value is the oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or the oscillation attenuation coefficient of the current, or the oscillation attenuation coefficient of the power.

In one embodiment, when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data set called at the moment is increased _Pj Or F _Vj 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F is increased by referring to the formula (V) _Pj Increasing the weight value F with reference to equation (six) _Vj Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal;

wherein k is _p And k _v Is magnification, L _p And L _v Is constant, deltaP is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, and deltaV is the wireless chargingMinimum adjustment variation unit of input voltage of transmitting coil, m is integer, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value of and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, judging the weight value F in the mapping data set called at the moment _Pj Or F _Vj Whether it is the maximum weight value F _Pmax Or F _Vmax If not, reducing the maximum weight value F _Pmax Or the maximum weight value F _Vmax 。

In one embodiment, the method further comprises:

the maximum weight value F _Pmax Is modified and set to

The maximum weight value F _Vmax Is modified and set to

In one embodiment, the method further comprises: when the mapping data set is completely called, the wireless charging transmitting terminal still does not receive a charging request signal sent by the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is set to be first PING power or the input voltage of the wireless charging transmitting coil is set to be first PING voltage; and judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (III) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V with reference to the following formula (IV) ₁ ：

P _i ＝P _ping +. DELTA P × m; (III)

V _i ＝V _ping V.times.m; (IV)

Wherein, P _i Actual power value, V, for the wireless charging transmitting coil _i Actual input voltage value, P, for the wireless charging transmitting coil _ping Is the first PING power, V _ping The first PING voltage is obtained, delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment change unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged again, if yes, the P is obtained by referring to the following formula (V) ₁ Weight value of F _P1 The V is obtained with reference to the following formula (VI) ₁ Weight value of F _V1 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal;

wherein k is _p And k _v Is magnification, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer;

mixing the D1 and the P ₁ 、F _P1 Q2 is recorded and set as a first mapping data set, or, the D1, V are set ₁ 、F _V1 And Q2 is recorded and set as the first mapping data group.

In one embodiment, the method further comprises: and setting the m as a positive number, adjusting the m in the gradually increasing direction, judging whether the m is greater than or equal to a fourth set value, if so, setting the m as a negative number, and adjusting the m in the gradually decreasing direction.

In one embodiment, the method further comprises: under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative position of the wireless charging receiving coil and the wireless charging transmitting coil is changed, and the transmitting power adjustment P of the wireless charging transmitting coil is obtained by referring to the formula (III) ₂ Obtaining said P by reference to equation (V) ₂ Weight value of F _P2 Or, obtaining the input voltage adjustment V of the wireless charging transmitting coil according to the formula (IV) ₂ Obtaining said V with reference to equation (six) ₂ Weight value of F _V2 (ii) a The P is added ₂ 、F _P2 Recording and setting to a second mapping data set, or, alternatively, the V ₂ 、F _V2 Recording and setting to a second mapping data group; judging the F _P2 Whether or not it is greater than F _P1 If so, the second mapping data group is invoked in preference to the first mapping data group when the mapping data is invoked, otherwise, the first mapping data group is invoked in preference to the second mapping data group.

According to the self-learning control method of the remote wireless charging system based on the relay coil, the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment and the characteristic value (the second characteristic value) of the transmitting coil under the condition that the relay coil and the wireless charging receiving end exist on the relay coil are obtainedValue Q2) is compared, so that it is possible to quickly predict whether a relay coil exists in the wireless charging system and whether a receiving end or a foreign object exists on the relay coil. When the receiving end exists on the relay coil, according to the weight value F _Pj Or F _Vj Sequentially calling mapping data sets where the weight values are located from large to small to configure operating parameters of the wireless charging transmitting coil, judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; by the arrangement, when the wireless charging system applying the control method is wirelessly charged again, the wireless charging system can quickly respond and more quickly enter a wireless charging program to output energy under the condition of remote charging, and the charging response speed and the user experience are improved.

A self-learning control method of a remote wireless charging system based on a relay coil, the method comprising: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₄ Constantly acquiring a fourth characteristic value Q4 of the wireless charging transmitting coil, judging whether the fourth characteristic value Q4 is smaller than or equal to a second characteristic value Q2, if so, setting the transmitting power of the wireless charging transmitting coil to be first PING power, or setting the input voltage of the wireless charging transmitting coil to be first PING voltage, judging whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (three) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V with reference to the following formula (IV) ₁ ：

P _i ＝P _ping B, + DELTAP × m; (III)

V _i ＝V _ping V.times.m; (IV)

Wherein, P _i Actual power value, V, of the wireless charging transmitting coil _i Actual input voltage value, P, for the wireless charging transmitting coil _ping Is the first PING power, V _ping The first PING voltage is obtained, delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment change unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged again, if yes, the P is obtained by referring to the following formula (V) ₁ Weight value of F _P1 The V is obtained with reference to the following formula (VI) ₁ Weight value of F _V1 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal;

wherein k is _p And k _v Is magnification, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer; the second characteristic value Q2 is a characteristic value of a wireless charging transmitting coil stored in the wireless charging system when a relay coil exists in the wireless charging system and the distance between the relay coil and the wireless charging transmitting coil is a distance D1; the first PING power and/or first PING voltage is stored in the wireless charging system when a relay coil is present in the wireless charging system, and the first PING power and/or first PING voltage is stored in the wireless charging system when a relay coil is present in the wireless charging systemThe PING parameter is obtained when the distance between the relay coil and the wireless charging transmitting coil is D1; the T is ₄ The time is a time point on a set period; the characteristic value is an oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or an oscillation attenuation coefficient of the current, or an oscillation attenuation coefficient of the power; mixing the D1 and the P ₁ 、F _P1 Q2 is recorded and set as a first mapping data set, or, the D1, V are set ₁ 、F _V1 Q2 is recorded and set as the first mapping data group.

In one embodiment, before determining whether the fourth characteristic value Q4 is less than or equal to the second characteristic value Q2, the method further includes obtaining a distance D1 between the relay coil and the wireless charging transmitting coil, and the method includes: setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T _x0 To T _x1 Obtaining an average characteristic value q of the wireless charging transmitting coil in a second time period _x (ii) a The second transmit frequency is greater than the first transmit frequency; obtaining a distance D1 between the wireless charging transmitting coil and the relay coil by reference to equation (II):

D1＝b×e ^ax (II)

Wherein a and b are constants, and the value of x is the average characteristic value q _x The value of (c). In one embodiment, the method further comprises: and calling the second characteristic value Q2, the first PING power and/or the first PING voltage corresponding to the distance D1 according to the distance D1. In one embodiment, the method further comprises: calculating the first PING power or the first PING voltage according to the distance D1 between the wireless charging transmitting coil and the relay coil, and storing the first PING power or the first PING voltage in the wireless charging system for calling when the wireless charging system is used next time;

in one embodiment, the method further includes a method of obtaining the second characteristic value Q2, and the method includes: under the same environment as that of obtaining the fourth characteristic value Q4, at T ₀ To T ₁ Continuously acquiring the characteristics of n wireless charging transmitting coils according to a set period in a first time periodValue q _n And obtaining a first characteristic value Q1 by referring to the formula (I):

Q 1＝[(q ₁ +q ₂₊ q ₃₊ ...+q _n )-(q _min +q _max )]/(n-2) (one)

Wherein q is _min Characteristic value q of n wireless charging transmitting coils _n Minimum value of (1); q is a number of _max Characteristic value q of n wireless charging transmitting coils _n Maximum value of (1); n is a positive integer greater than or equal to 3; judging whether the first characteristic value Q1 is smaller than or equal to a first set value or not, if so, judging that a relay coil exists in the wireless charging system, and judging that the relay coil exists at T ₂ Constantly acquiring a second characteristic value Q2 of the wireless charging transmitting coil; the T is ₂ Time is not T ₀ To T ₁ At any time within the first time period; t is _x0 To T _x1 Is not T ₀ To T ₁ Any time period within the first time period of (a); storing the second characteristic value Q2 in the wireless charging system for calling at the next use.

In one embodiment, the method further comprises: judging whether the first characteristic value Q1 is greater than or equal to a second set value, otherwise, judging at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil, and storing the third characteristic value in the wireless charging system for calling in the next use; the T is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the second set value.

In one embodiment, the method further comprises: and judging whether the fifth characteristic value Q5 is less than or equal to the third characteristic value Q3 or the second set value, and if so, controlling an alarm indicator lamp in the wireless charging system to be on or a buzzer to be on.

In one embodiment, the method further comprises: and calculating a first ASM communication demodulation width parameter and/or a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil, and storing the parameters in the wireless charging system for calling in the next use.

According to the self-learning control method of the remote wireless charging system based on the relay coil, the characteristic value (the fourth characteristic value Q4) of the transmitting coil at a certain moment is obtained and compared with the characteristic value (the second characteristic value Q2) of the transmitting coil when the relay coil and the wireless charging receiving end exist on the relay coil, a PING parameter under the condition of the distance D1 is set for the transmitting coil, whether a charging request signal can be obtained is judged, if not, the transmitting power or the input voltage of the transmitting coil is gradually adjusted through a set formula until the charging request signal sent by the receiving end is obtained, and after the charging signal is received, a weight value is calculated for the parameter under the state to serve as a moving sequence mark. By the arrangement, when the wireless charging system applying the control method is wirelessly charged again, the wireless charging system can quickly respond and more quickly enter a wireless charging program to output energy under the condition of remote charging, and the charging response speed and the user experience are improved.

In addition, the application also provides a computer storage medium.

A computer storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any one of the above embodiments. Can be convenient carry out procedure upgrade and transformation to wireless charger.

In the foregoing, it is an object of the present invention, at least in some embodiments, to overcome or ameliorate at least one of the disadvantages of the prior art, or to provide a useful alternative. The set of summarized embodiments is provided to foreshadow potential patent claims based on a selection of technical features disclosed in the following detailed description, and these set of summarized embodiments are not intended to limit the scope of claims that may be expanded in any way.

Detailed Description

In this patent document, the various embodiments discussed below and used to describe the principles or methods of the present disclosure are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles or methods of the present disclosure may be implemented in any suitably arranged wireless charging system. Preferred embodiments of the present disclosure will be described below. In the following description, a detailed description of well-known functions or configurations is omitted so as not to obscure the subject matter of the present disclosure with unnecessary detail. Also, terms used herein will be defined according to the functions of the present application. Thus, the terminology may be different according to the intention or usage of the user or operator. Therefore, the terms used herein must be understood based on the description made herein.

A control method of a remote adaptive wireless charging system comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency of the wireless charging transmitting coil as a first transmitting frequency, setting the duty ratio of the transmitting frequency of the wireless charging transmitting coil as a first duty ratio, and at T ₀ To T ₁ Continuously acquiring the characteristic values q of n wireless charging transmitting coils according to a set period in a first time period _n And obtaining a first characteristic value Q1 by referring to the formula (I):

Q＝[(q ₁ +q ₂₊ q ₃₊ ...+q _n )-(q _min +q _max )]v (n-2) (a)

Wherein q is _min Characteristic value q of transmitting coil for n wireless charging _n Minimum value of (d); q. q.s _max Characteristic value q of transmitting coil for n wireless charging _n Maximum value of (2); n is a positive integer greater than or equal to 3; judging whether the first characteristic value Q1 is less than or equal to a first set value, if so, judging that a relay coil exists in the wireless charging system, and judging that the relay coil exists in the wireless charging system at T ₂ Constantly acquiring a second characteristic value Q2 of the wireless charging transmitting coil; t is a unit of ₂ Time is not T ₀ To T ₁ At any time within the first time period; setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T _x0 To T _x1 Obtaining the average characteristic value q of the wireless charging transmitting coil in the second time period _x ；T _x0 To T _x1 Is not T ₀ To T ₁ First time ofAny time period within a segment; the second transmission frequency is greater than the first transmission frequency; and (2) obtaining the distance D1 between the wireless charging transmitting coil and the relay coil by reference to the formula (II):

D＝b×e ^ax (II)

Wherein a and b are constants, and the value of x is an average characteristic value q _x A value of (d);

calculating first PING power or first PING voltage according to the distance D1 between the wireless charging transmitting coil and the relay coil;

setting the transmitting power of the wireless charging transmitting coil as first PING power or setting the input voltage of the wireless charging transmitting coil as first PING voltage, judging whether the wireless charging transmitting end receives a charging request signal sent by a wireless charging receiving end, and if not, adjusting the transmitting power of the wireless charging transmitting coil to P according to a formula (III) ₁ Or regulating the input voltage of the wireless charging transmitting coil to V according to the equation (IV) ₁ ：

P _i ＝P _ping + DELTAP × m (three)

V _i ＝V _ping V.times.m; (IV)

Wherein, P _i Actual value of power, V, for wireless charging of the transmitting coil _i Actual input voltage value, P, for wirelessly charging the transmitting coil _ping For the first PING power, V _ping The wireless charging transmitting terminal is a first PING voltage, delta P is a minimum adjustment change unit of transmitting power of the wireless charging transmitting coil, delta V is a minimum adjustment change unit of input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal is judged again, if yes, P is correspondingly added ₁ Has a weight value of F _P1 Or increasing V ₁ Has a weight value of F _V1 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; mixing D1 and P ₁ 、F _P1 Q2 is recorded and set as the first mapping data set, or D1, V ₁ 、F _V1 Q2 is recorded and set toA first mapping data set.

In one embodiment, P is obtained by reference to equation (V) ₁ Weight value of F _P1 Obtaining V by referring to equation (six) ₁ Weight value of F _V1 ：

Wherein k is _p And k _v Is magnification, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer. F _P(j-1) Is referred to as F _Pj Weight value before change, F _V(j-1) Is referred to as F _Vj The weight value before change.

In one embodiment, the method further comprises: setting m as positive number, and adjusting in gradually increasing direction, and judging whether m is greater than or equal to the second set value, if yes, setting m as negative number, and adjusting in gradually decreasing direction.

In one embodiment, the method further comprises: under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative positions of the wireless charging receiving coil and the wireless charging transmitting coil are changed, and the transmitting power adjustment P of the wireless charging transmitting coil is obtained by referring to the formula (III) ₂ Obtaining P by referring to equation (V) ₂ Weight value of F _P2 Or, obtaining the input voltage adjustment V of the wireless charging transmitting coil according to the formula (IV) ₂ Obtaining V by referring to equation (VI) ₂ Weight value of F _V2 ；

Will P ₂ 、F _P2 Record and set to the second mapping data set, or, set V ₂ 、F _V2 Recording and setting to a second mapping data group; judgment of F _P2 Whether or not greater than F _P1 If so, the second mapping data group is invoked in preference to the first mapping data group when the mapping data is invoked, otherwise, the first mapping data group is invoked in preference to the second mapping data group.

In one embodiment, the method further comprises: judgment of F _P1 And if so, setting the first mapping data group as a default mapping data group of the wireless charging system under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: by adjusting setting k _p Or k _v The first mapping data group and the second mapping data group are called, to adjust the replacement speed of the priority order when the first mapping data group and the second mapping data group are called.

In one embodiment, the transmitting power of the wireless charging transmitting coil is set to be first PING power, or the input voltage of the wireless charging transmitting coil is set to be first PING voltage, whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal or not is judged, and if yes, the transmitting power of the wireless charging transmitting coil is adjusted according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; the distance D1, the first PING power and/or the first PING voltage are recorded and set with the second characteristic value Q2 as the third mapping data set, or the first PING power and/or the first PING voltage are recorded and set to the first mapping data set.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further includes: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 as a fourth mapping data group; t is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further includes: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 to the first mapping data group; t is a unit of ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, before obtaining the distance D1 between the wireless charging transmitting coil and the relay coil, the method further includes: judging whether the first characteristic value Q1 is larger than or equal to a fourth set value, if so, continuing to obtain the distance D1 between the wireless charging transmitting coil and the relay coil, otherwise, at T ₃ Constantly acquiring a third characteristic value Q3 of the wireless charging transmitting coil; recording and setting the third characteristic value Q3 as a fourth mapping data group, and recording and setting the third characteristic value Q3 as the first mapping data group; t is ₃ Time is not T ₀ To T ₁ At any time within the first time period; the first set value is greater than the fourth set value.

In one embodiment, the method further comprises: calculating a first ASM communication demodulation width parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; the first ASM communication demodulation width parameter is recorded and set to the first mapping data set.

In one embodiment, the method further comprises: calculating a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; the first FSK communication modulation depth parameter is recorded and set into a first mapping data set.

In one embodiment, the method further comprises: calculating a first ASM communication demodulation width parameter and a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil; the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter are recorded and set into the first mapping data group.

In one embodiment, the method further comprises: according to the distance D1 between the wireless charging transmitting coil and the relay coil, calculating a first FSK communication modulation depth parameter T ₁ And setting the weight value of the first FSK communication modulation depth parameter to be F _T1 (ii) a Modulating information sent to the wireless charging receiving end by the wireless charging transmitting end by using the first FSK communication modulation depth parameter, judging whether the wireless charging transmitting end receives feedback information of the wireless charging receiving end, and if not, calculating a second FSK communication modulation depth parameter T according to a formula (seven) ₂ ：

T _w ＝T _(w-1) +. Delta T x h (seven)

Wherein, T _w Modulation depth parameter, T, for actual FSK communication at a wireless charging transmitter _(w-1) Is T _w The basic FSK communication modulation depth parameter is obtained, wherein delta T is the minimum adjustment change unit of the FSK communication modulation depth parameter, h is an integer, and w is a positive integer; modulating information sent to the wireless charging receiving end by the wireless charging transmitting end by using a second FSK communication modulation depth parameter, judging whether the wireless charging transmitting end receives feedback information of the wireless charging receiving end again, and if so, acquiring T according to the equation (eight) ₂ Weight value of F _T2 ：

Wherein k is _T Is magnification, L _T Is constant, F _Tr And F _T(r-1) Is a weight value and F _T(r-1) Is F _Tr Base weight value of (1), i.e. F _Tr Before change, r is a positive integer; d1, T ₁ 、F _T1 Q2 is recorded and set as a fifth mapping data group; d1 and T ₂ 、F _T2 Q2, and set as a sixth mapping data group. In one embodiment, F is defaulted _T0 Has a value of0。

In one embodiment, the method further comprises: setting h as a positive number, adjusting in a gradually increasing direction, judging whether h is larger than or equal to a third set value, if so, setting h as a negative number, and adjusting in a gradually decreasing direction.

In one embodiment, the method further comprises: according to F _T1 And F _T2 The sequence of the fifth mapping data group and the sixth mapping data group is set as the sequence of the fifth mapping data group and the sixth mapping data group when being called.

In one embodiment, the method further comprises: judgment of F _T2 Whether or not greater than F _T1 If so, the sixth mapping data group is invoked in preference to the fifth mapping data group when the mapping data is invoked, otherwise, the fifth mapping data group is invoked in preference to the sixth mapping data group.

In one embodiment, the method further comprises: when it is judged that F _T2 Greater than F _T1 When it is, F is judged _T2 And if so, setting the sixth mapping data group as a default mapping data group for wireless charging system information modulation under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: by adjusting setting k _T The value of (c) to adjust the replacement speed of the order in which the mapping data sets are called when the plurality of mapping data sets for information modulation are called.

In one embodiment, the method further comprises: according to the distance D1 between the wireless charging transmitting coil and the relay coil, calculating a first ASM communication demodulation width parameter G ₁ And setting a first ASM communication demodulation width parameter G ₁ Has a weight value of F _G1 (ii) a Demodulating the width parameter G with a first ASM communication ₁ Demodulating the information received by the wireless charging transmitting terminal, judging whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal, and if not, calculating a second ASM communication demodulation width parameter G according to the formula (nine) ₂ ：

G _s ＝G _(s-1) +△G x u (nine)

Wherein G is _s Demodulation width parameter, G, for actual ASM communication at the wireless charging transmitter _(s-1) Is G _s The basic ASM communication demodulation width parameter, wherein delta G is the minimum adjustment change unit of the ASM communication demodulation width parameter, u is an integer, and s is a positive integer; demodulating the width parameter G with a second ASM communication ₂ Demodulating the information received by the wireless charging transmitting terminal, judging whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal again, and if so, acquiring G according to the equation (ten) ₂ Weight value of F _G2 ：

Wherein k is _G Multiplying power, L _G Is constant, F _Gy And F _G(y-1) Is a weight value and F _G(y-1) Is F _Gy Base weight value of (i.e. F) _Gy A weight value before change, y being a positive integer; d1, G ₁ 、F _G1 Q2 is recorded and set as a seventh mapping data group; d1, G ₂ 、F _G2 And Q2 is recorded and set as the eighth mapping data group.

In one embodiment, F is defaulted _G0 The value of (d) is 0.

In one embodiment, the method further comprises: and setting u as a positive number, adjusting in the gradually increasing direction, judging whether u is greater than or equal to a third set value, if so, setting u as a negative number, and adjusting in the gradually decreasing direction.

In one embodiment, the method further comprises: according to F _G1 And F _G2 The order of the size of the mapping data sets the order of the seventh mapping data set and the eighth mapping data set when the mapping data sets are called.

In one embodiment, the method further comprises: judgment of F _G2 Whether or not it is greater than F _G1 If so, the eighth mapping data group is invoked prior to the seventh mapping data group when the mapping data is invoked, otherwise, the seventh mapping data groupIs invoked in preference to the eighth mapped data set.

In one embodiment, the method further comprises: when it is judged that F _G2 Greater than F _G1 When it is, F is judged _G2 And if so, setting the eighth mapping data group as a default mapping data group for demodulating the information of the wireless charging system under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1 so as to be called first.

In one embodiment, the method further comprises: by adjusting setting k _G The value of (c) to adjust the replacement speed of the order in which the respective mapping data sets are called when the plurality of mapping data sets for information demodulation are called.

In one embodiment, each mapping data set is updated into FLASH via I2C.

In one embodiment, T is obtained ₄ A fourth characteristic value Q4 of the wireless charging transmitting coil is constantly determined, whether the fourth characteristic value Q4 is smaller than or equal to a second characteristic value Q2 or not is determined, if yes, whether the wireless charging transmitting end receives a charging request signal sent by a wireless charging receiving end or not is determined, and if yes, the transmitting power of the wireless charging transmitting coil is adjusted according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; t is ₄ Time is not T ₀ To T ₁ And at a time point on the set period. Namely, the fourth characteristic value Q4 of the wireless charging transmitting coil is periodically acquired.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: and judging whether the fourth characteristic value Q4 is less than or equal to the third characteristic value Q3, if so, turning on an alarm indicator lamp or sounding a buzzer in the control system.

In one embodiment, the first input voltage is between 4.5V and 5.5V.

In one embodiment, the first transmit frequency is between 0.1Hz and 1 Hz.

In one embodiment, the second transmit frequency is between 100k Hz and 150k Hz.

In one embodiment, the first duty cycle is between 10% and 50%.

In one embodiment, the first duty cycle is 20%.

In one embodiment, the first set point is between 2.6 and 3.5.

In one embodiment, the first set point is 3.

In one embodiment, the fourth set point is between 1.8 and 2.5.

In one embodiment, the fourth setting value is 2.

In one embodiment, the second set point is between 7 and 15.

In one embodiment, the second set point is between 5 and 12.

In one embodiment, the second set point has a value of 11.

In one embodiment, the second set point has a value of 9.

In one embodiment, the third set point is between 3 and 10.

In one embodiment, the third set point is between 4 and 8.

In one embodiment, the third setting value has a value of 5.

In one embodiment, the third set point has a value of 7.

In one embodiment, m has a value between-11 and 11.

In one embodiment, m has a value between-8 and 8.

In one embodiment, m has a value between-5 and 5.

In one embodiment, m has a value between-7 and 7.

In one embodiment, h has a value between-11 and 11.

In one embodiment, h has a value between-8 and 8.

In one embodiment, h has a value between-5 and 5.

In one embodiment, h has a value between-7 and 7.

In one embodiment, u has a value between-11 and 11.

In one embodiment, u has a value between-8 and 8.

In one embodiment, u has a value between-5 and 5.

In one embodiment, u has a value between-7 and 7.

In one embodiment, the characteristic value is a signal characteristic value of a wireless charging transmitting coil voltage.

In one embodiment, the characteristic value is a signal characteristic value of the wireless charging transmitting coil power.

In one embodiment, the first characteristic value Q1 is an oscillation attenuation coefficient of the whole system. The existence of the relay coil and the existence of metal foreign matters on the relay coil can be detected through the attenuation coefficient.

In one embodiment, the first characteristic value Q1 is an oscillation attenuation coefficient of energy in the whole system under a driving signal of 0.5 Hz.

In one embodiment, when the first characteristic value Q1 is greater than or equal to the first set value, the wireless charging transmitting terminal continues to wait.

According to the self-learning control method of the remote self-adaptive wireless charging system, the wireless charging transmitting coil is enabled to perform small-section very weak electrified operation in the environment of the first input voltage, the first transmitting evaluation rate and the first duty ratio in the initial stage, the characteristic value of the transmitting coil is periodically acquired, the first characteristic value Q1 of the transmitting coil is acquired according to the specific logical relationship, whether the relay coil exists in the system can be judged according to the first characteristic value Q1, and if the relay coil exists, the relay coil is subjected to innovative fittingThe distance D1 between the transmitting coil and the relay coil is calculated by combining the second set of arithmetic logic, after the distance is known, the first PING power or the first PING voltage is calculated by the third set of arithmetic logic, meanwhile, the transmitting power or the input voltage of the transmitting coil is set according to the parameters of the first PING power or the first PING voltage, and under the first PING power or the first PING voltage, a receiving end (such as a mobile phone with a wireless charging function) in the range of a charging system can be powered on and send information to the transmitting end. If the receiving end is not electrified under the environment of the first PING power or the first PING voltage, trying to increase the PING power to P1 or increase the PING voltage to V1, if the receiving end is electrified under the environment of the P1 power or the V1 voltage, recording the environment P1 power or the V1 voltage at the moment to be more appropriate, increasing the weight value of the more appropriate environment P1 power or the V1 voltage and increasing the D1 voltage and the P1 voltage in order to enable the receiving end to be charged in the wireless charging system again to quickly respond, wherein the more appropriate environment P1 power or the V1 voltage is increased, and the D1 voltage and the P1 voltage are increased ₁ 、F _P1 Q2 is recorded and set as the first mapping data set, or D1, V ₁ 、F _V1 Q2 is recorded and set as the first mapping data group. The wireless charging device is ready to be invoked and applied preferentially, and the purpose of wireless charging quick response is achieved. When carrying out wireless charging again, the quick charging parameter of transferring in the first mapping data group for wireless charger can quick response, improves user experience.

A self-learning control method of a remote self-adaptive wireless charging system comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, judging whether the fifth characteristic value Q5 is smaller than or equal to a second characteristic value Q2, and if so, according to a weight value F _Pj Or F _Vj The mapping data group where the weight value is located is sequentially called from large to small to configure the operating parameters of the wireless charging transmitting coil, and whether the wireless charging transmitting terminal receives the wireless charging is judgedIf the charging request signal is sent by the electric receiving end, the transmitting power of the wireless charging transmitting coil is adjusted according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; t is a unit of ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; f _Pj Is the weight value F in any one of the above embodiments _Pj ；F _Vj Is the weight value F in any one of the above embodiments _Vj (ii) a The first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is increased _Pj Or F _Vj 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is increased _Pj Or F _Vj While decreasing the weight value in the last mapping data group in the calling order.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is judged _Pj Or F _Vj Whether it is the maximum weight value F _Pmax Or F _Vmax If not, increasing the weighted value F in the mapping data group called at the moment _Pj Or F _Vj While decreasing the maximum weight value F _Pmax Or maximum weight valueF _Vmax 。

In one embodiment, the method further comprises: increasing the weight value F by reference to equation (V) _Pj Increasing the weight value F with reference to equation (six) _Vj While simultaneously weighting the maximum weight value F _Pmax Is modified and set to

Maximum weight value F _Vmax Is modified and set to

In one embodiment, the method further comprises: when the mapping data group is completely used up, the wireless charging transmitting end still does not receive the charging request signal sent by the wireless charging receiving end, and then the transmitting power of the wireless charging transmitting coil is set to be the first PING power or the input voltage of the wireless charging transmitting coil is set to be the first PING voltage; the first PING power is the first PING power in any of the above embodiments; the first PING voltage is the first PING voltage in any of the embodiments described above.

In one embodiment, after the mapping data set is completely used up, the wireless charging transmitting terminal still does not receive the charging request signal sent by the wireless charging receiving terminal, the transmitting power of the wireless charging transmitting coil is set to be the first PING power, or the input voltage of the wireless charging transmitting coil is set to be the first PING voltage, whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal is judged, and if not, the transmitting power of the wireless charging transmitting coil is adjusted to be P by referring to equation (three) to adjust the transmitting power of the wireless charging transmitting coil to be P ₃ Or regulating the input voltage of the wireless charging transmitting coil to V according to the equation (IV) ₃ And judging whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal again, if so, obtaining P by referring to the formula (V) ₃ Weight value of F _P3 Or obtaining V by reference to equation (six) ₃ Weight value of F _V3 Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end; will P ₃ And F _P3 Record and set to the fifth mapping data group, or, set V ₃ And F _V3 Recording and setting to a fifth mapping data group; the first PING power is the first PING power in any of the embodiments described above; the first PING voltage is the first PING voltage in any of the embodiments described above.

According to the self-learning control method of the remote self-adaptive wireless charging system, the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment is obtained and compared with the characteristic value (the second characteristic value Q2) of the transmitting coil when the relay coil and the wireless charging receiving end exist on the relay coil, so that whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be judged quickly, and then the judgment is carried out according to the weight value F _Pj Or F _Vj The mapping data sets where the weight values are located are sequentially called from large to small according to the numerical values of the wireless charging transmitting coil, the operating parameters of the wireless charging transmitting coil are directly configured, and therefore the matching requirement of a common receiving end can be quickly met.

A control method of a remote adaptive wireless charging system comprises the following steps:

setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and at T ₅ Time acquisition wireless charging transmitting coilJudging whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, if so, judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal; t is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; the first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: setting the transmitting power of a wireless charging transmitting coil as first PING power, or setting the input voltage of the wireless charging transmitting coil as first PING voltage; the first PING power is the first PING power in any of the embodiments described above; the first PING voltage is the first PING voltage in any of the embodiments described above.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: judging whether the fifth characteristic value Q5 is smaller than or equal to the third characteristic value Q3, if so, controlling an alarm indicator lamp in the system to be on or a buzzer to be sounded; the third characteristic value Q3 is the third characteristic value Q3 in any of the above embodiments.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method further includes: judging whether the fifth characteristic value Q5 is less than or equal to a fourth set value, if so, controlling an alarm indicator lamp in the system to be on or a buzzer to be sounded;

the fourth setting value is the fourth setting value in any one of the above embodiments.

According to the control method of the remote self-adaptive wireless charging system, the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment is obtained and compared with the characteristic value (the second characteristic value Q2) of the transmitting coil when the relay coil exists and the wireless charging receiving end exists on the relay coil, so that whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be judged quickly, and whether the relay coil exists in the wireless charging system and whether the receiving end exists on the relay coil can be accurately judged by judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end. By the arrangement, the wireless charging system applying the control method can quickly respond when wirelessly charging again, can quickly enter a wireless charging program to output energy, and improves user experience.

A wireless charging self-learning control method for remote adaptive FSK communication modulation comprises the following steps: judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, if so, according to a weight value F _Tr The mapping data group where the weight value is located is sequentially called from large to small to modulate the communication information of the wireless charging transmitting terminal, whether the wireless charging transmitting terminal receives a feedback signal sent by the wireless charging receiving terminal based on the communication information is judged, and if yes, the FSK communication modulation depth parameter which can currently receive the feedback information is adopted to modulate the information sent by the wireless charging transmitting terminal to the wireless charging receiving terminal; f _Tr Is the weight value F in any one of the above embodiments _Tr (ii) a The FSK communication modulation depth parameter is an FSK communication modulation depth parameter in any of the above embodiments; the mapping data set is the mapping data set of claim 1.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is increased _Tr 。

In one of the two casesIn an embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, the weight value F is increased by referring to the formula (eight) _Tr 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to receive the feedback signal of the wireless charging receiving terminal, judging the weight value F in the mapping data set called at the moment _Tr Whether it is the maximum weight value F _Tmax If not, increasing the weighted value F in the mapping data group called at the moment _Tr While decreasing the maximum weight value F _Tmax 。

In one embodiment, the method further comprises: increasing the weight value F by reference to equation (eight) _Tr While simultaneously weighting the maximum weight value F _Tmax Is modified and set to

In one embodiment, the method further comprises: and when the mapping data set is completely used up, the wireless charging transmitting terminal still does not receive the feedback signal of the wireless charging receiving terminal, and the transmitting power of the wireless charging transmitting coil is reduced or closed.

In one embodiment, before determining whether the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the method includes: setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, and if so, continuously judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end; t is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value in any one of the above embodimentsA characteristic value Q2; the first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

According to the wireless charging self-learning control method for remote self-adaptive FSK communication modulation, when the wireless charging transmitting terminal receives the charging request signal sent by the wireless charging receiving terminal, the wireless charging transmitting terminal controls the wireless charging according to the weight value F _Tr The mapping data sets of the weight values are sequentially called from large to small to modulate the communication information of the wireless charging transmitting terminal, whether the wireless charging transmitting terminal receives a feedback signal sent by the wireless charging receiving terminal based on the communication information is judged, and if yes, the FSK communication modulation depth parameter which can currently receive the feedback information is adopted to modulate the information sent by the wireless charging transmitting terminal to the wireless charging receiving terminal. Since whether the receiving end can perform fast charging (generally 15 watts) with the transmitting end or the wireless charging of the EPP architecture also depends on whether the receiving end can complete the charging protocol (complete authentication or binding) with the transmitting end within a specified time, the weight value F can be known from the above contents _Tr The larger the numerical value is, the more the operation parameters in the mapping data set in which the mapping data set is located are fitted to the operation parameters of the wireless charging system formed by the common receiving end of the user, the transmitting end and the relay, so that the common receiving end of the user can quickly respond to the communication when the wireless charging is required, the situation that the handshake is unsuccessful and charging can only be carried out at low power (generally 5 watts) is prevented, the response speed is improved, and the user experience is enhanced.

A remote self-adaptive ASM communication demodulation wireless charging self-learning control method comprises the following steps: judging whether the wireless charging transmitting terminal receives a signal which is sent by the wireless charging receiving terminal and used for feeding back the charging demand parameter, if so, according to the weight value F _Gy The numerical values of the weight values are sequentially called from large to small to demodulate the communication signal of the wireless charging transmitting terminalThe wireless charging receiving terminal receives the charging request parameter information fed back by the wireless charging receiving terminal, and judges whether the wireless charging transmitting terminal acquires the charging request parameter information fed back by the wireless charging receiving terminal, if so, the wireless charging transmitting terminal demodulates the information received by the wireless charging transmitting terminal by adopting the ASM communication demodulation width parameter which can currently acquire the charging request parameter information of the wireless charging receiving terminal; f _Gy Is the weight value F in any one of the above embodiments _Gy (ii) a The ASM communication demodulation width parameter is the ASM communication demodulation width parameter in any one of the embodiments; the mapping data set is the mapping data set in any of the above embodiments.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, the weighted value F in the mapping data set called at the moment is increased _Gy 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, the weighted value F is increased according to the equation (ten) _Gy 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to acquire the charging demand parameter information fed back by the wireless charging receiving terminal, judging a weighted value F in the mapping data set called at the moment _Gy Whether it is the maximum weight value F _Gmax If not, increasing the weighted value F in the mapping data group called at the moment _Gy While decreasing the maximum weight value F _Gmax 。

In one embodiment, the method further comprises: increasing the weight value F by reference to equation (ten) _Gy While simultaneously weighting the maximum weight value F _Gmax Is modified and set to

In one embodiment, the method further comprises: and when the mapping data set is completely used up, the wireless charging transmitting terminal still does not acquire the charging demand parameter information fed back by the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is closed.

In one embodiment, before determining whether the wireless charging transmitting terminal receives a signal for feeding back a charging demand parameter sent by the wireless charging receiving terminal, the method includes: setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, judging whether the fifth characteristic value Q5 is smaller than or equal to the second characteristic value Q2, and if so, continuously judging whether the wireless charging transmitting end receives a signal which is sent by a wireless charging receiving end and used for feeding back a charging demand parameter; t is ₅ The moment is any moment when the wireless charging transmitting coil starts to work; the second characteristic value Q2 is the second characteristic value Q2 in any one of the above embodiments; the first input voltage is the first input voltage in any one of the above embodiments; the first transmission frequency is the first transmission frequency in any of the above embodiments; the first duty cycle is the first duty cycle in any of the embodiments described above.

In one embodiment, each changed mapping data set is updated into FLASH via I2C.

In one embodiment, the changed weight values are updated to the FLASH via I2C.

when the wireless charging transmitting terminal receives a signal which is sent by the wireless charging receiving terminal and used for feeding back the charging demand parameter, the wireless charging transmitting terminal feeds back the charging demand parameter according to the weight value F _Gy The mapping data group where the weight value is located is sequentially called from large to small to demodulate the communication information of the wireless charging transmitting terminal, whether the wireless charging transmitting terminal acquires the charging demand parameter information fed back by the wireless charging receiving terminal is judged, and if yes, ASM communication capable of acquiring the charging demand parameter information of the wireless charging receiving terminal is adoptedThe demodulation width parameter demodulates the information received by the wireless charging transmitting terminal. Since whether the receiving end can perform fast charging (generally 15 watts) with the transmitting end or wireless charging in an EPP architecture also depends on whether the receiving end can complete a charging protocol (complete authentication or binding) with the transmitting end within a specified time, the setting is such that the weight value F is known from the above contents _Gy The larger the numerical value is, the more the operation parameters in the mapping data set in which the mapping data set is located are fitted to the operation parameters of the wireless charging system formed by the common receiving end of the user, the transmitting end and the relay, so that the common receiving end of the user can quickly respond to the communication when the wireless charging is required, the situation that the handshake is unsuccessful and charging can only be carried out at low power (generally 5 watts) is prevented, the response speed is improved, and the user experience is enhanced.

A self-learning control method of a remote wireless charging system based on a relay coil is characterized in that a plurality of mapping data sets which can be read and called by a computer processor are stored in the wireless charging system. Mapping data in the data set includes: d1, P _i 、F _Pj Q2, or D1, V _i 、F _Vj And Q2. And D1 is the distance between the relay coil and the wireless charging transmitting coil. P _i Transmit power of the transmit coil is charged wirelessly. V _i The input voltage of the transmitting coil is charged wirelessly. F _Pj Is F _Pj The weight value of the mapping data set. F _Vj Is F _Vj The weight value of the mapping data set. Q2 is the characteristic value of the wireless charging transmitting coil when the distance between the relay coil and the wireless charging transmitting coil is D1. Wherein i is a positive integer. j is a positive integer. The method comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and setting the input voltage of the wireless charging transmitting coil as a first input voltage T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, judging whether the fifth characteristic value Q5 is smaller than or equal to a second characteristic value Q2, and if so, according to a weight value F _Pj Or F _Vj The weights are called in sequence from large to smallAnd configuring the operating parameters of the wireless charging transmitting coil by the mapping data group with the value, judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal. T is ₅ The moment is any moment when the wireless charging transmitting coil starts to work. The characteristic value is the oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or the oscillation attenuation coefficient of the current, or the oscillation attenuation coefficient of the power.

In one embodiment, when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is increased _Pj Or F _Vj 。

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F is increased by referring to the formula (V) _Pj Increasing the weight value F by reference to equation (VI) _Vj And adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end.

Wherein k is _p And k _v Multiplying power, L _p And L _v Is constant, delta P is the minimum adjustment and change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment and change unit of the input voltage of the wireless charging transmitting coil, m is an integer, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer.

In one embodiment, the method further comprises: when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F in the mapping data group called at the moment is judged _Pj Or F _Vj Whether it is the maximum weight value F _Pmax Or F _Vmax If not, reducing the maximum weight value F _Pmax Or maximum weight value F _Vmax 。

In one embodiment, the method further comprises:

maximum weight value F _Pmax Is modified and set to

Maximum weight value F _Vmax Is modified and set to

In one embodiment, the method further comprises: when the mapping data group is completely used up, the wireless charging transmitting terminal still does not receive the charging request signal sent by the wireless charging receiving terminal, and then the transmitting power of the wireless charging transmitting coil is set to be the first PING power, or the input voltage of the wireless charging transmitting coil is set to be the first PING voltage. And judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (III) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V with reference to the following formula (IV) ₁ ：

P _i ＝P _ping +. DELTA.Pxm. (III)

V _i ＝V _ping +. DELTA.V.times.m. (IV)

Wherein, P _i Actual value of power, V, for wireless charging of the transmitting coil _i Actual value of input voltage, P, for wireless charging of the transmitting coil _ping For the first PING power, V _ping Is the first PING voltage, the delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, and the delta V is the wireless chargingThe minimum adjustment change unit of the input voltage of the electric transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal is judged again, if yes, P is obtained according to the following formula (V) ₁ Weight value of F _P1 Obtaining V with reference to the following formula (VI) ₁ Weight value of F _V1 And adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end.

Wherein k is _p And k _v Is magnification, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer. Mixing D1 and P ₁ 、F _P1 Q2 is recorded and set as the first mapping data set, or D1, V ₁ 、F _V1 And Q2 is recorded and set as the first mapping data group.

In one embodiment, the method further comprises: setting m as a positive number, adjusting in a gradually increasing direction, judging whether m is larger than or equal to a fourth set value, if so, setting m as a negative number, and adjusting in a gradually decreasing direction.

In one embodiment, the method further comprises: under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative positions of the wireless charging receiving coil and the wireless charging transmitting coil are changed, and the transmitting power adjustment P of the wireless charging transmitting coil is obtained by referring to the formula (III) ₂ Obtaining P by referring to equation (V) ₂ Weight value of F _P2 Or, the wireless charging transmitting coil is obtained by referring to the equation (IV)Input voltage regulation V ₂ Obtaining V by referring to equation (six) ₂ Weight value of F _V2 . Will P ₂ 、F _P2 Recording and setting to a second mapping data set, or, alternatively, V ₂ 、F _V2 And recorded and set to the second mapping data group. Judgment of F _P2 Whether or not greater than F _P1 If so, the second mapping data group is invoked in preference to the first mapping data group when the mapping data is invoked, otherwise, the first mapping data group is invoked in preference to the second mapping data group.

In one embodiment, the method further comprises: by adjusting setting k _p Or k _v To adjust the speed of replacement of the priority order when the first mapping data set and the second mapping data set are called.

According to the self-learning control method of the remote wireless charging system based on the relay coil, the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment is obtained and compared with the characteristic value (the second characteristic value Q2) of the transmitting coil when the relay coil exists and the wireless charging receiving end exists on the relay coil, so that whether the relay coil exists in the wireless charging system or not and whether the receiving end or a foreign object exists on the relay coil or not can be judged quickly. When the receiving end exists on the relay coil, according to the weight value F _Pj Or F _Vj The mapping data sets of the weight values are sequentially called from large to small to configure the operating parameters of the wireless charging transmitting coil, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged, and if yes, the transmitting power of the wireless charging transmitting coil is adjusted according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end. The arrangement can ensure that the wireless charging system applying the control method does not work again under the condition of long-distance chargingWhen the line charges, can quick response, the wireless program output energy that charges of faster entering has improved response speed and user experience of charging.

A self-learning control method of a remote wireless charging system based on a relay coil comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, the transmitting frequency as a first transmitting frequency, the duty ratio of the first transmitting frequency as a first duty ratio, and setting the input voltage of the wireless charging transmitting coil as a first input voltage T ₄ Constantly acquiring a fourth characteristic value Q4 of the wireless charging transmitting coil, judging whether the fourth characteristic value Q4 is smaller than or equal to a second characteristic value Q2, if so, setting the transmitting power of the wireless charging transmitting coil to be first PING power, or setting the input voltage of the wireless charging transmitting coil to be first PING voltage, judging whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (III) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V by referring to the following formula (IV) ₁ ：

P _i ＝P _ping +. DELTA.Pxm. (III)

V _i ＝V _ping +. DELTA.Vxm. (IV)

Wherein, P _i Actual value of power, V, for wireless charging of the transmitting coil _i Actual input voltage value, P, for wirelessly charging the transmitting coil _ping For the first PING power, V _ping The wireless charging transmitting terminal is a first PING voltage, delta P is a minimum adjustment change unit of transmitting power of the wireless charging transmitting coil, delta V is a minimum adjustment change unit of input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal is judged again, if yes, P is obtained according to the following formula (V) ₁ Weight value of F _P1 Obtaining V with reference to the following formula (VI) ₁ Weight value of F _V1 And adjusting the wireless charging transmitting coil according to the requirement of the wireless charging receiving endThe transmitting power of the wireless charging receiving terminal is charged.

Wherein k is _p And k _v Is magnification, L _p And L _v Is constant, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of F _V(j-1) Is F _Vj J is a positive integer. The second characteristic value Q2 is a characteristic value of the wireless charging transmission coil stored in the wireless charging system when the relay coil is present in the wireless charging system and the distance between the relay coil and the wireless charging transmission coil is the distance D1. The first PING power and/or the first PING voltage are PING parameters stored in the wireless charging system when a relay coil is present in the wireless charging system and the distance between the relay coil and the wireless charging transmitting coil is a distance D1. T is ₄ The time is a time point on the set period. The characteristic value is the oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or the oscillation attenuation coefficient of the current, or the oscillation attenuation coefficient of the power. Mixing D1 and P ₁ 、F _P1 Q2 is recorded and set as the first mapping data set, or D1, V ₁ 、F _V1 And Q2 is recorded and set as the first mapping data group.

In one embodiment, before determining whether the fourth characteristic value Q4 is less than or equal to the second characteristic value Q2, the method further includes obtaining a distance D1 between the relay coil and the wireless charging transmitting coil, and the method includes: setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T _x0 To T _x1 Obtaining the average characteristic value q of the wireless charging transmitting coil in the second time period _x . The second transmit frequency is greater than the first transmit frequency. Obtaining wireless with reference equation (II)Distance D1 between charging transmission coil and relay coil:

D1＝b×e ^ax (II)

Wherein a and b are constants, and the value of x is an average characteristic value q _x The value of (c).

In one embodiment, the method further comprises: a second characteristic value Q2, a first PING power and/or a first PING voltage corresponding to the distance D1 are retrieved according to the distance D1.

In one embodiment, the method further comprises: and calculating first PING power or first PING voltage according to the distance D1 between the wireless charging transmitting coil and the relay coil, and storing the first PING power or the first PING voltage in a wireless charging system for calling in the next use.

In one embodiment, the method further includes a method of obtaining the second characteristic value Q2, the method including: under the same environment as that for obtaining the fourth characteristic value Q4, at T ₀ To T ₁ Continuously acquiring the characteristic values q of n wireless charging transmitting coils according to a set period in a first time period _n And obtaining a first characteristic value Q1 by referring to equation (one):

Q 1＝[(q ₁ +q ₂₊ q ₃₊ ...+q _n )-(q _min +q _max )]v (n-2) (a)

Wherein q is _min Characteristic value q of n wireless charging transmitting coils _n Minimum value of (1). q. q.s _max Characteristic value q of n wireless charging transmitting coils _n Of (2) is calculated. n is a positive integer greater than or equal to 3. Judging whether the first characteristic value Q1 is less than or equal to a first set value or not, if so, judging that a relay coil exists in the wireless charging system, and judging that the relay coil exists in the wireless charging system at T ₂ And acquiring a second characteristic value Q2 of the wireless charging transmitting coil at any moment. T is ₂ Time is not T ₀ To T ₁ At any time within the first time period. T is a unit of _x0 To T _x1 Is not T ₀ To T ₁ Any time period within the first time period of (a). The second characteristic value Q2 is stored in the wireless charging system for retrieval at the next use.

In one embodiment, the method further comprises: judging whether the first characteristic value Q1 is greater than or equal to a second set value, otherwise, judging at T ₃ And acquiring a third characteristic value Q3 of the wireless charging transmitting coil at any time, and storing the third characteristic value in the wireless charging system for calling in the next use. T is ₃ Time is not T ₀ To T ₁ At any time within the first time period. The first set value is greater than the second set value.

In one embodiment, the method further comprises: and judging whether the fifth characteristic value Q5 is less than or equal to the third characteristic value Q3 or a second set value, if so, controlling an alarm indicator lamp in the wireless charging system to be on or controlling a buzzer to sound.

In one embodiment, the method further comprises: and calculating a first ASM communication demodulation width parameter and/or a first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitting coil and the relay coil, and storing the parameters in a wireless charging system for calling in the next use.

In addition, according to the content, this application still provides a wireless charger.

A wireless charger comprising a computer storage medium having a computer program stored thereon, the program when executed by a processor implementing the method of any one of the above embodiments. Can be convenient carry out procedure upgrade and transformation to wireless charger.

In addition, the application also provides a computer storage medium.

A computer storage medium having a computer program stored thereon, which when executed by a processor implements the method of any of the above embodiments. Can be convenient carry out procedure upgrade and transformation to wireless charger.

The above examples only show several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A self-learning control method of a remote wireless charging system based on a relay coil is characterized in that a plurality of mapping data sets which can be read and called by a computer processor are stored in the wireless charging system; the data in the mapping data set includes: d1, P _i 、F _Pj Q2, or D1, V _i 、F _Vj 、Q2；

The D1 is the distance between the relay coil and the wireless charging transmitting coil;

the P is _i Transmitting power for the wireless charging transmitting coil;

the V is _i An input voltage for the wireless charging transmit coil;

said F _Pj Is the said F _Pj The weight value of the mapping data group;

said F _Vj Is the said F _Vj The weight value of the mapping data group;

wherein i is a positive integer; j is a positive integer;

the Q2 is a characteristic value of the wireless charging transmitting coil when the distance between the relay coil and the wireless charging transmitting coil is D1;

the method comprises the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₅ Constantly acquiring a fifth characteristic value Q5 of the wireless charging transmitting coil, judging whether the fifth characteristic value Q5 is smaller than or equal to a second characteristic value Q2, and if so, according to a weight value F _Pj Or F _Vj Sequentially calling mapping data groups where the weight values are located from large to small to configure operating parameters of the wireless charging transmitting coil, judging whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end, and if so, adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving end to charge the wireless charging receiving end;

the characteristic value is the oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or the oscillation attenuation coefficient of the current, or the oscillation attenuation coefficient of the power.

2. The self-learning control method of the remote wireless charging system based on the relay coil as claimed in claim 1,

when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, the weight value F is increased by referring to the formula (V) _Pj Increasing the weight value F with reference to equation (VI) _Vj Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal;

wherein k is _p And k _v Is magnification, L _p And L _v Is constant, delta P is the minimum adjustment and change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment and change unit of the input voltage of the wireless charging transmitting coil, m is an integer, F _Pj 、F _P(j-1) 、F _Vj And F _V(j-1) Is a weight value and F _P(j-1) Is F _Pj Base weight value of (F) _V(j-1) Is F _Vj J is a positive integer.

3. The self-learning control method of the relay coil-based long-distance wireless charging system according to claim 1 or 2, wherein the method further comprises:

when the wireless charging transmitting terminal is judged to have received the charging request signal sent by the wireless charging receiving terminal, judging the weight value F in the mapping data set called at the moment _Pj Or F _Vj Whether it is the maximum weight value F _Pmax Or F _Vmax If not, the maximum weight value F is determined _Pmax Is modified and set to

The maximum weight value F _Vmax Is modified and set to

4. The self-learning control method of the relay coil-based long-distance wireless charging system according to claim 1 or 2, wherein the method further comprises:

when the mapping data set is completely called, the wireless charging transmitting terminal still does not receive the charging request signal sent by the wireless charging receiving terminal, and then setting is carried outThe transmitting power of the wireless charging transmitting coil is first PING power, or the input voltage of the wireless charging transmitting coil is set to be first PING voltage; and judging whether the wireless charging transmitting terminal receives a charging request signal sent by the wireless charging receiving terminal, if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (III) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V by referring to the following formula (IV) ₁ ：

P _i ＝P _ping +. DELTA P × m; (III)

V _i ＝V _ping V.times.m; (IV)

5. The relay coil-based long-distance wireless charging system self-learning control method according to claim 4, further comprising:

and setting the m as a positive number, adjusting the m in the gradually increasing direction, judging whether the m is greater than or equal to a fourth set value, if so, setting the m as a negative number, and adjusting the m in the gradually decreasing direction.

6. The relay coil-based long-distance wireless charging system self-learning control method according to claim 4, further comprising:

under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative position of the wireless charging receiving coil and the wireless charging transmitting coil is changed, and the transmitting power of the wireless charging transmitting coil is adjusted to be P by referring to the formula (III) ₂ Obtaining said P by referring to equation (V) ₂ Weight value of F _P2 Or obtaining the input voltage adjustment V of the wireless charging transmitting coil according to the formula (IV) ₂ Obtaining said V with reference to equation (six) ₂ Weight value of F _V2 ；

The P is added ₂ 、F _P2 Recording and setting to a second mapping data set, or, alternatively, the V ₂ 、F _V2 Recording and setting to a second mapping data group;

judging the F _P2 Whether or not it is greater than F _P1 If yes, the second mapping data group is called in preference to the first mapping data group when the mapping data is calledOtherwise, the first mapping data set is invoked in preference to the second mapping data set.

7. A self-learning control method of a remote wireless charging system based on a relay coil is characterized by comprising the following steps: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency as a first transmitting frequency, setting the duty ratio of the first transmitting frequency as a first duty ratio, and setting the duty ratio at T ₄ Constantly acquiring a fourth characteristic value Q4 of the wireless charging transmitting coil, judging whether the fourth characteristic value Q4 is smaller than or equal to a second characteristic value Q2, if so, setting the transmitting power of the wireless charging transmitting coil to be first PING power, or setting the input voltage of the wireless charging transmitting coil to be first PING voltage, judging whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (three) ₁ Or adjusting the input voltage of the wireless charging transmitting coil to V with reference to the following formula (IV) ₁ ：

P _i ＝P _ping +. DELTA P × m; (III)

V _i ＝V _ping V.times.m; (IV)

Wherein, P _i Actual power value, V, for the wireless charging transmitting coil _i Actual input voltage value, P, for the wireless charging transmitting coil _ping For the first PING power, V _ping The first PING voltage is obtained, delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment change unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged again, if yes, the P is obtained by referring to the following formula (V) ₁ Weight value of F _P1 The V is obtained with reference to the following formula (VI) ₁ Weight value of F _V1 And adjusting the wireless charging transmitting coil according to the requirement of the wireless charging receiving endThe radio power charges the wireless charging receiving end;

the second characteristic value Q2 is a characteristic value of a wireless charging transmitting coil stored in the wireless charging system when a relay coil exists in the wireless charging system and the distance between the relay coil and the wireless charging transmitting coil is a distance D1;

the first PING power and/or first PING voltage is a PING parameter stored in the wireless charging system when a relay coil exists in the wireless charging system and the distance between the relay coil and the wireless charging transmitting coil is a distance D1;

the T is ₄ The time is a time point on a set period;

the characteristic value is an oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or an oscillation attenuation coefficient of the current, or an oscillation attenuation coefficient of the power;

mixing the D1 and the P ₁ 、F _P1 Q2 is recorded and set as a first mapping data set, or, the D1, V are set ₁ 、F _V1 Q2 is recorded and set as the first mapping data group.

8. The self-learning control method of the relay coil-based long-distance wireless charging system according to claim 7, wherein before determining whether the fourth characteristic value Q4 is less than or equal to the second characteristic value Q2, the method further comprises obtaining a distance D1 between the relay coil and the wireless charging transmitting coil, and the method comprises:

setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T _x0 To T _x1 Obtaining an average characteristic value q of the wireless charging transmitting coil in a second time period _x ；

The second transmit frequency is greater than the first transmit frequency;

obtaining a distance D1 between the wireless charging transmitting coil and the relay coil by reference to equation (II):

D1＝b×e ^ax (II)

Wherein a and b are constants, and the value of x is the average characteristic value q _x The value of (c).

9. The self-learning control method of the relay coil-based long-distance wireless charging system according to claim 7 or 8, wherein the method further comprises a method of obtaining the second characteristic value Q2, and the method comprises: under the same environment as that of obtaining the fourth characteristic value Q4, at T ₀ To T ₁ Continuously acquiring characteristic values q of the n wireless charging transmitting coils according to a set period in a first time period _n And obtaining a first characteristic value Q1 by referring to the formula (I):

Q1＝[(q ₁ +q ₂₊ q ₃₊ ...+q _n )-(q _min +q _max )]/(n-2) (one)

Wherein,

q is a number of _min Characteristic value q of n wireless charging transmitting coils _n Minimum value of (1);

q is a number of _max Characteristic value q of n wireless charging transmitting coils _n Maximum value of (1);

n is a positive integer greater than or equal to 3;

judging whether the first characteristic value Q1 is less than or equal to a first set value, if so, judging that the wireless charging system is in a wireless charging stateThe system has a relay coil and is at T ₂ Constantly acquiring a second characteristic value Q2 of the wireless charging transmitting coil;

the T is ₂ Time is not T ₀ To T ₁ At any time within the first time period;

T _x0 to T _x1 Is not T ₀ To T ₁ Any time period within the first time period of (a);

storing the second characteristic value Q2 in the wireless charging system for calling at the next time of use.

10. A wireless charger comprising a computer storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the self-learning control method of any one of claims 1-10.