CN107171456B - Wireless charging method with anti-shake processing, watch and storage medium - Google Patents
Wireless charging method with anti-shake processing, watch and storage medium Download PDFInfo
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- CN107171456B CN107171456B CN201710283607.9A CN201710283607A CN107171456B CN 107171456 B CN107171456 B CN 107171456B CN 201710283607 A CN201710283607 A CN 201710283607A CN 107171456 B CN107171456 B CN 107171456B
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- 238000007600 charging Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 238000004590 computer program Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000010280 constant potential charging Methods 0.000 description 6
- 238000010277 constant-current charging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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- H02J7/025—
Abstract
The invention discloses a wireless charging method with anti-shake processing, a watch and a storage medium, wherein the charging method comprises the following steps: step 1: performing detection of a load disconnection state between the wireless charger and the device to be charged; step 2: when it is detected that the load off state is the pseudo load off state, the charge stop instruction is not generated to continue the charging. The disclosed method, watch and storage medium enable to eliminate the phenomenon of intermittent alternate charging that may occur during the charging process.
Description
Technical Field
The invention relates to the field of wireless charging. And more particularly, to a wireless charging method with anti-shake processing, a wristwatch, and a storage medium.
Background
Many handheld electronic devices today use wireless chargers and wireless charging methods. In particular, most smart watches on the market today have adopted a wireless charger and a wireless charging method.
Wireless charging can avoid using the wire, has brought the facility for the user. However, there are still some problems to be solved or optimized in practical use. For example, some smartwatches produce a continuous alternating on and off of the screen after the charge reaches above 90%, and the phenomenon does not disappear until the smartwatch is fully charged.
The root cause of this phenomenon is that when the charging amount reaches 90% or more, the load power of the wireless charger becomes small, and the output power of the wireless charger also becomes small, and at this time, the judgment of the load by the wireless charger becomes ambiguous, and it is not easy to distinguish between a normal communication waveform and load modulation, and when the load is not detected by mistake by the wireless charger, a load disconnection event indicating that the wireless charger and the device to be charged are in a load disconnection state (this state is called a pseudo load disconnection state because it is different from a true load disconnection state occurring when charging is completed) is also triggered, and thus, the charging of the smart watch is stopped. After that, the smart watch will also detect that the charger is disconnected, and the smart watch will light up to alert the user. However, since the smart watch is still substantially placed in the charging area near the base of the wireless charger, the wireless charger may detect the presence of the smart watch again and start charging the smart watch again. The above processes are performed alternately, so that the charging process is intermittent, and the user can see the continuous alternation of the on and off of the screen of the intelligent watch. The user who uses wireless charging has brought the not good experience.
Meanwhile, according to the feedback of the hardware manufacturer of the wireless charger, due to the limitation of the current technology, the distinction between the normal communication waveform and the load modulation under the above conditions cannot be completely realized from the hardware, and the load disconnection event triggered under the pseudo load disconnection state or the true load disconnection state cannot be distinguished, so that the above phenomenon that the screen is on and off alternately cannot be eliminated. Since the charging current becomes small after the charging amount reaches 90% or more, there is a process similar to FM modulation, so that it becomes difficult for a useful signal and noise to be accurately detected and distinguished by a wireless charging chip.
Therefore, there is a need to solve the above technical problem in the case where hardware cannot be detected or detection cost is high.
Disclosure of Invention
In order to solve the above technical problems, the present invention proposes the following technical solutions.
The invention provides a wireless charging method with anti-shake processing, which comprises the following steps: step 1: performing detection of a load disconnection state between the wireless charger and the device to be charged; step 2: when it is detected that the load off state is the pseudo load off state, the charge stop instruction is not generated to continue the charging.
According to the wireless charging method of the present invention, step 2 further includes: when it is detected that the load disconnection state is a true load disconnection state, a charge stop instruction is generated to instruct to stop charging.
The wireless charging method according to the present invention, wherein the step 1 comprises: step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold; and step 2 comprises: step 2-1: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo-load disconnect condition is detected.
The wireless charging method according to the present invention, wherein the step 1 comprises: step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold; and step 2 comprises: step 2-2: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo load disconnect condition is detected, otherwise, a true load disconnect condition is detected.
The wireless charging method according to the present invention, wherein step 1-1 comprises: step 1-1-1: setting a timing value of a timer to be a preset threshold value and starting timing when a load disconnection event is received, wherein the normal timing of the timer is not influenced by a new load disconnection event in the timing process; step 1-1-2: and continuously detecting a load connection event between the wireless charger and the equipment to be charged in the timing process, stopping normally timing by the timer if the load connection event is detected, wherein the duration of the detected load disconnection state is less than a preset threshold, otherwise, normally timing by the timer until a timing value is equal to the preset threshold, and the duration of the detected load disconnection state is equal to or greater than the preset threshold.
In combination with the wireless charging method with anti-shake processing according to the present invention, there is also provided a watch including a display screen, a memory, and one or more processors; and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including the steps of the wireless charging method as described above.
In combination with the above-described wireless charging method with anti-shake processing according to the present invention, there is also provided a computer-readable storage medium comprising a computer program for use in combination with a watch, the computer program being executable by a processor for performing the steps of the wireless charging method as described above.
According to the technical scheme, the phenomenon that the screen is continuously turned on and off alternately when the intelligent watch is charged is solved, and the wireless charging of the intelligent watch has the same reliable user experience as the wired charging.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the specific embodiments. The drawings are only for purposes of illustrating the particular embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is an example flow chart of a wireless charging method used in the prior art.
Fig. 2 is an exemplary flowchart of a wireless charging method with anti-shake processing according to an embodiment of the present invention.
Fig. 3 is an exemplary flowchart of specific steps of anti-shake processing steps included in a wireless charging method with anti-shake processing according to an embodiment of the present invention.
Fig. 4 is a more detailed exemplary flowchart of key steps in the anti-shake processing steps according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is an example flow chart of a wireless charging method used in the prior art. The key elements of a series of charging performed in an embedded device system are represented in fig. 1. As shown in fig. 1, a device to be charged, which has no electricity at all or a low amount of electricity, completely undergoes the following process in a normal charging situation.
The charging process begins and initially the charger and the device to be charged are in a state of charge stop.
And judging whether the charger exists and whether the voltage of the charger is more than 4.2v, if so, entering a charging preparation state by the charger, and if not, keeping the charging stop state.
After the charger enters a charging preparation state, whether the charger is connected with the battery is judged, wherein the connection refers to physical wired or wireless connection, if the charger is in physical connection with the battery, the charger trickle charges the equipment to be charged, the charging voltage is lower, the charging current is smaller, and otherwise, the charging stop state is kept.
After the charger trickle charges the device to be charged, whether the voltage of the device to be charged is high enough (for example, whether the voltage of the device to be charged is satisfied >3.7v) is continuously judged, if so, the charger constant-current charges the device to be charged, and otherwise, the trickle charge is kept unchanged.
After the charger performs constant current charging on the device to be charged, whether the voltage of the device to be charged is higher (for example, whether the voltage of the device to be charged is higher than 4.3v) is continuously judged, if so, the charger performs constant voltage charging on the device to be charged, and otherwise, the constant current charging is kept unchanged.
After the charger performs constant voltage charging on the equipment to be charged, whether the charging current is smaller than a set value or not is continuously judged, if so, the charging is completed, otherwise, the constant voltage charging is kept unchanged.
Fig. 2 is an exemplary flowchart of a wireless charging method with anti-shake processing according to an embodiment of the present invention. As shown in fig. 2, the charging process of the wireless charging method with anti-shake processing according to the present invention is similar to the charging process of the wireless charging method used in the prior art shown in fig. 1, with only one more anti-shake processing step. As shown in a dark text box in fig. 2, this step is located between the constant voltage charging step and the charging completion step, and is used to eliminate the phenomenon of intermittent alternate charging that may occur during constant voltage charging described in the background art.
More specifically, the anti-shake process in fig. 2 can avoid the shaking phenomenon of the charging state caused by repeating the charging process by detecting the pseudo-load off-state and not generating the charging stop instruction when detecting the pseudo-load off-state, so as to stop the charging process because the charging stop instruction is erroneously generated when the pseudo-load off-state occurs, and in this case, the wireless charger or the device to be charged again detects that the other party is actually located in the vicinity of itself by other detection means, so as to restart the charging process.
That is, the wireless charging method with anti-shake processing according to the present invention may include:
step 1: detection of a load disconnection state between the wireless charger and the device to be charged is performed.
Step 2: when it is detected that the load off state is the pseudo load off state, the charge stop instruction is not generated to continue the charging.
Wherein the pseudo load off state is caused by the wireless charger or the device to be charged failing to detect the other by mistake, as described in the background art.
Optionally, step 2 further comprises: when it is detected that the load disconnection state is a true load disconnection state, a charge stop instruction is generated to instruct to stop charging.
Wherein the true load off state may be a true load off state resulting from completion of charging, as described in the background.
Fig. 3 is an exemplary flowchart of specific steps of anti-shake processing steps included in a wireless charging method with anti-shake processing according to an embodiment of the present invention.
As shown by the solid line in fig. 3, the anti-shake processing step in fig. 2 includes detecting whether the duration of the load off state is less than a predetermined threshold value, which is a time value. If the duration of the load off-state is less than the predetermined threshold, a pseudo-load off-state is detected, and the charge stop instruction is not generated to continue the constant voltage charging.
That is, step 1 in the wireless charging method according to the present invention includes: step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold; and step 2 comprises: step 2-1: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo-load disconnect condition is detected.
As shown by the dotted line in fig. 3, alternatively, when the duration of the load disconnection state is equal to or greater than a predetermined threshold, in order to detect a true load disconnection state, the charger is normally disconnected from the device to be charged, thereby completing charging.
That is, step 1 in the wireless charging method according to the present invention includes: step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold; and step 2 comprises: step 2-2: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo load disconnect condition is detected, otherwise, a true load disconnect condition is detected.
For example, if the duration of the true load off state is greater than 1s and the duration of the pseudo load off state occurring during the charging process is less than 1s, the predetermined threshold value may be set to 1s, thereby eliminating the above-described alternation phenomenon through such an anti-shake process. At this time, it may be detected whether the duration of the load off-state is less than 1s, if less than 1s, it is detected that the pseudo-load off-state is detected, otherwise, it is detected that the true load off-state is detected. The predetermined threshold may be changed as desired.
Fig. 4 is a more detailed exemplary flowchart of a key step 1-1 of the anti-shake processing steps according to an embodiment of the invention. This flowchart is just one example for illustrating a possible implementation of the key step 1-1. Other implementations may be implemented by those skilled in the art in light of the prior art.
As shown in fig. 4, a key step 1-1 included in the anti-shake processing step in fig. 3 includes the following steps:
step 1-1-1: and setting the timing value of the timer to be a preset threshold value when the load disconnection event is received, and starting to time, wherein the new load disconnection event does not influence the normal timing of the timer in the timing process.
Step 1-1-2: and continuously detecting a load connection event between the wireless charger and the equipment to be charged in the timing process, stopping normally timing by the timer if the load connection event is detected, wherein the duration of the detected load disconnection state is less than a preset threshold, otherwise, normally timing by the timer until a timing value is equal to the preset threshold, and the duration of the detected load disconnection state is equal to or greater than the preset threshold.
Also, alternatively, as shown in fig. 4, before the charger normally disconnects charging from the device to be charged (i.e., performs the normal charger disconnection process) after the timer expires (i.e., when the duration of the load disconnection state between the charger and the device to be charged is equal to the predetermined threshold), a determination is also made as to whether there is a physical connection between the charger and the device to be charged (as indicated by a broken line determination block in fig. 4), if there is a physical connection, the charging is normally performed, and if there is no physical connection, the normal disconnection process is performed again (i.e., performs the normal charger disconnection process).
In combination with the wireless charging method with anti-shake processing according to the present invention, there is also provided a watch including a display screen, a memory, and one or more processors; and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including the steps of the wireless charging method as described above.
In combination with the above-described wireless charging method with anti-shake processing according to the present invention, there is also provided a computer-readable storage medium comprising a computer program for use in combination with a watch, the computer program being executable by a processor for performing the steps of the wireless charging method as described above.
The wireless charging method with anti-shake processing according to the present invention may be implemented on any one of a charger and a device to be charged (for example, refer to the implementation of the wristwatch above).
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. A wireless charging method with anti-shake processing comprises the following steps:
step 1: performing detection of a load disconnection state between the wireless charger and the device to be charged;
step 2: when it is detected that the load disconnection state is the pseudo load disconnection state, generating no charge stop instruction to continue charging; wherein
The pseudo load disconnection state is as follows: when the charging amount reaches more than 90%, the load power of the wireless charger is reduced, so that the output power of the wireless charger is also reduced, the judgment of the wireless charger on the load is fuzzy, the normal communication waveform and the load modulation are not easy to distinguish, and the wireless charger is triggered to indicate that the wireless charger and the equipment to be charged are in a load disconnection state when the load is not detected by mistake.
2. The wireless charging method according to claim 1, wherein the step 2 further comprises:
when it is detected that the load disconnection state is a true load disconnection state, a charge stop instruction is generated to instruct to stop charging.
3. The wireless charging method according to claim 1, wherein the step 1 comprises:
step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold;
and the step 2 comprises:
step 2-1: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo-load disconnect condition is detected.
4. The wireless charging method according to claim 2, wherein the step 1 comprises:
step 1-1: detecting whether the duration of the load disconnection state is less than a predetermined threshold;
and the step 2 comprises:
step 2-2: if the duration of the load disconnect condition is less than a predetermined threshold, then a pseudo load disconnect condition is detected, otherwise, a true load disconnect condition is detected.
5. The wireless charging method according to claim 3 or 4, wherein the step 1-1 comprises:
step 1-1-1: setting a timing value of a timer to be a preset threshold value and starting timing when a load disconnection event is received, wherein the normal timing of the timer is not influenced by a new load disconnection event in the timing process;
step 1-1-2: and continuously detecting a load connection event between the wireless charger and the equipment to be charged in the timing process, stopping normally timing by the timer if the load connection event is detected, wherein the duration of the detected load disconnection state is less than a preset threshold, otherwise, normally timing by the timer until a timing value is equal to the preset threshold, and the duration of the detected load disconnection state is equal to or greater than the preset threshold.
6. A watch comprising a display, a memory, one or more processors; wherein the processor comprises one or more computer programs which when executed perform the method of any one of claims 1-5.
7. A computer-readable storage medium for storing one or more computer programs which when executed perform the method of any one of claims 1-5.
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| CN201710283607.9A CN107171456B (en) | 2017-04-26 | 2017-04-26 | Wireless charging method with anti-shake processing, watch and storage medium |
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| CN201710283607.9A CN107171456B (en) | 2017-04-26 | 2017-04-26 | Wireless charging method with anti-shake processing, watch and storage medium |
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| CN107171456B true CN107171456B (en) | 2020-08-11 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9570931B2 (en) * | 2011-12-22 | 2017-02-14 | Panasonic Intellectual Property Corporation Of America | Electronic device and electronic device charging system |
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| CN107968493B (en) * | 2013-06-05 | 2021-07-23 | 三星电子株式会社 | Wireless power receiver, wireless power transmitter, and control method thereof |
| JP2015133815A (en) * | 2014-01-10 | 2015-07-23 | 船井電機株式会社 | Power supply device, power supply method, and power receiving device |
| US9455582B2 (en) * | 2014-03-07 | 2016-09-27 | Apple Inc. | Electronic device and charging device for electronic device |
| CN105305650B (en) * | 2015-11-11 | 2019-03-15 | 安徽华米信息科技有限公司 | Wireless charging method, device, wireless charger and wearable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9570931B2 (en) * | 2011-12-22 | 2017-02-14 | Panasonic Intellectual Property Corporation Of America | Electronic device and electronic device charging system |
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