CN109149688B - Wireless charging standby detection method and wireless charging terminal - Google Patents
Wireless charging standby detection method and wireless charging terminal Download PDFInfo
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- CN109149688B CN109149688B CN201810960707.5A CN201810960707A CN109149688B CN 109149688 B CN109149688 B CN 109149688B CN 201810960707 A CN201810960707 A CN 201810960707A CN 109149688 B CN109149688 B CN 109149688B
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 238000004590 computer program Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H02J7/025—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
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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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
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Abstract
The invention discloses a wireless charging standby detection method and a wireless charging terminal, wherein the method comprises the following steps: acquiring the number of charging pulses of the detection capacitor; judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses; after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not; if yes, the charging circuit is opened. Whether a Ping signal needs to be sent is judged by detecting the number of charging pulses of the capacitor, whether a charging circuit needs to be opened is judged by receiving feedback information after the Ping signal is sent, whether a charging receiving end exists is detected without frequently sending the Ping signal, standby energy consumption can be greatly reduced, and energy is saved.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a wireless charging standby detection method and a wireless charging terminal.
Background
The wireless charging technology mainly adopts the electromagnetic induction principle, and energy is transferred by energy coupling through a coil. The existing wireless charging equipment needs the system to frequently send ping signals to detect whether the charging equipment or foreign matters are left or not in standby, so that the standby energy consumption of the system can be greatly increased, and the energy is not saved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the wireless charging standby detection method and the wireless charging terminal are provided, standby energy consumption can be greatly reduced, and energy is saved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a wireless charging standby detection method comprises the following steps:
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened.
The invention adopts another technical scheme that:
a wireless charging terminal comprising a processor, a memory, and a computer program stored on the memory and executable on the processor,
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened.
The invention has the beneficial effects that: whether a Ping signal needs to be sent is judged by detecting the number of charging pulses of the capacitor, whether a charging circuit needs to be opened is judged by receiving feedback information after the Ping signal is sent, whether a charging receiving end exists is detected without frequently sending the Ping signal, standby energy consumption can be greatly reduced, and energy is saved.
Drawings
Fig. 1 is a flowchart of a wireless charging standby detection method according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wireless charging terminal according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wireless charging terminal according to a third embodiment of the present invention;
fig. 4 is a schematic partial structure diagram of a wireless charging terminal according to a third embodiment of the present invention.
Description of reference numerals:
100. a wireless charging terminal; 1. a processor; 2. a memory; 3. an upper cover plate; 4. a lower case;
5. a charging assembly; 6. the capacitance is detected.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: whether a Ping signal needs to be sent is judged by detecting the number of charging pulses when the capacitor is charged, and whether a charging receiving end exists is detected without frequently sending the Ping signal.
Referring to fig. 1, a wireless charging standby detection method includes:
a wireless charging standby detection method comprises the following steps:
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened.
From the above description, the beneficial effects of the present invention are: whether a Ping signal needs to be sent is judged by detecting the number of charging pulses of the capacitor, whether a charging circuit needs to be opened is judged by judging whether power feedback information is received after the Ping signal is sent, whether a charging receiving end exists is detected without frequently sending the Ping signal, standby energy consumption can be greatly reduced, and energy is saved.
Further, the determining whether a Ping signal needs to be sent according to the number of the charging pulses specifically includes:
judging whether the number of the charging pulses exceeds a preset value or not;
if yes, a Ping signal is sent out.
As can be seen from the above description, the preset value can be set as required, and only when the number of pulses exceeds a certain value, the Ping signal is sent out, so that false triggering caused by foreign matters can be prevented.
Further, when the power feedback information of the charging receiving terminal is not received, the charging receiving terminal enters a standby state.
Further, the power feedback information includes power demand information and actual power information.
Referring to fig. 2, another technical solution related to the present invention is:
a wireless charging terminal 100 includes a processor 1, a memory 2, and a computer program stored on the memory 2 and executable on the processor 1,
the processor 1, when executing the computer program, implements the steps of:
a wireless charging standby detection method comprises the following steps:
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened.
According to the above description, the detection capacitor can be arranged on the upper cover of the wireless charging terminal, and the comb-shaped capacitor line can be carved by laser and then chemically plated or electroplated with metal on the carved line, so that the capacitor is manufactured.
Further, the determining whether a Ping signal needs to be sent according to the number of the charging pulses specifically includes:
judging whether the number of the charging pulses exceeds a preset value or not;
if yes, a Ping signal is sent out.
Further, the processor 1, when executing the computer program, further implements the following steps:
and entering a standby state when the power feedback information of the charging receiving end is not received.
Further, the power feedback information includes power demand information and actual power information.
Referring to fig. 1, a first embodiment of the present invention is:
a wireless charging standby detection method comprises the following processing steps:
and S1, acquiring the number of charging pulses of the detection capacitor.
And S2, judging whether a Ping signal needs to be sent out according to the number of the charging pulses. Step S2 specifically includes: judging whether the number of the charging pulses exceeds a preset value or not; if yes, sending a Ping signal; if not, the Ping signal is not sent out. In this embodiment, the preset value can be set as required.
S3, after the Ping signal is sent out, judging whether power feedback information of the charging receiving end is received or not; if yes, go to step S4; if not, entering a standby state. The power feedback information includes power demand information and actual power information.
And S4, opening the charging circuit.
Referring to fig. 2, the second embodiment of the present invention is:
a wireless charging terminal 100 corresponding to the method of the first embodiment.
The wireless charging terminal comprises a processor 1, a memory 2 and a computer program stored on the memory 2 and capable of running on the processor 1, wherein the processor 1 realizes the following steps when executing the computer program:
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not; the power feedback information comprises power demand information and actual power information;
if yes, the charging circuit is opened.
Further, the determining whether a Ping signal needs to be sent according to the number of the charging pulses specifically includes:
judging whether the number of the charging pulses exceeds a preset value or not;
if yes, a Ping signal is sent out.
Further, the processor 1, when executing the computer program, further implements the following steps:
and entering a standby state when the power feedback information of the charging receiving end is not received.
Referring to fig. 3 and 4, a third embodiment of the present invention is:
the utility model provides a wireless charging terminal, is a concrete application scenario of above-mentioned embodiment, wireless charging terminal includes upper cover plate 3, inferior valve 4 and charging assembly 5, charging assembly 5 set up in between upper cover plate 3 and inferior valve 4, be equipped with detection electric capacity 6 on upper cover plate 3, detection electric capacity 6 can be through laser engraving comb electric capacity circuit chemical plating or electroplate metal on glyptic circuit again, and then accomplish the preparation of electric capacity. When foreign matters exist on two polar plates of the detection capacitor 6 or a charging receiving end exists, the MCU of the charging assembly 5 charges the detection capacitor 6 through high-frequency pulses, the number of the charging pulses after charging is finished is recorded through an internal comparator, when the number of the charging pulses is detected to exceed a preset value, a Ping signal is sent to the charging receiving end, the charging receiving end sends power feedback information to the wireless charging equipment after receiving the Ping signal, and the wireless charging terminal opens a charging circuit to charge the charging receiving end after receiving the power feedback information; and if the wireless charging terminal does not receive the feedback information sent by the charging receiving terminal, the wireless charging terminal is converted into a standby state until the wireless charging terminal is awakened again.
In summary, the wireless charging standby detection method and the wireless charging terminal provided by the invention are simple and reliable, and can greatly reduce standby energy consumption and save energy.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (4)
1. A wireless charging standby detection method is characterized by comprising the following steps:
acquiring the number of charging pulses of the detection capacitor;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened; if not, entering a standby state;
when foreign matters exist on two polar plates of the detection capacitor or a charging receiving end exists on the two polar plates, the MCU of the charging assembly charges the detection capacitor through high-frequency pulses, and the number of charging pulses after charging is finished is recorded through an internal comparator;
the specific steps of judging whether a Ping signal needs to be sent according to the number of the charging pulses are as follows:
judging whether the number of the charging pulses exceeds a preset value or not;
if yes, a Ping signal is sent out.
2. The wireless charging standby detection method of claim 1, wherein the power feedback information comprises power demand information and actual power information.
3. A wireless charging terminal comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, and is characterized in that the number of charging pulses for detecting a capacitor is obtained;
judging whether a Ping signal needs to be sent out or not according to the number of the charging pulses;
after the Ping signal is sent out, judging whether power feedback information of a charging receiving end is received or not;
if yes, the charging circuit is opened; if not, entering a standby state;
when foreign matters exist on two polar plates of the detection capacitor or a charging receiving end exists on the two polar plates, the MCU of the charging assembly charges the detection capacitor through high-frequency pulses, and the number of charging pulses after charging is finished is recorded through an internal comparator;
the specific steps of judging whether a Ping signal needs to be sent according to the number of the charging pulses are as follows:
judging whether the number of the charging pulses exceeds a preset value or not;
if yes, a Ping signal is sent out.
4. The wireless charging terminal of claim 3, wherein the power feedback information comprises power demand information and actual power information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960707.5A CN109149688B (en) | 2018-08-22 | 2018-08-22 | Wireless charging standby detection method and wireless charging terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810960707.5A CN109149688B (en) | 2018-08-22 | 2018-08-22 | Wireless charging standby detection method and wireless charging terminal |
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| CN109149688A CN109149688A (en) | 2019-01-04 |
| CN109149688B true CN109149688B (en) | 2022-02-22 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269092B (en) * | 2013-03-28 | 2016-04-13 | 小米科技有限责任公司 | A kind of employing wireless charger carries out the method for charging and wireless charger |
| CN103855764B (en) * | 2014-01-14 | 2016-05-18 | 深圳市普林泰克科技有限公司 | Mobile device detection method on a kind of wireless charger emission end surface |
| CN104467110B (en) * | 2014-12-29 | 2018-01-16 | 深圳市航盛电子股份有限公司 | A kind of novel radio charger and its method for reducing wireless charging stand-by power consumption |
| CN105827001A (en) * | 2016-04-22 | 2016-08-03 | 厦门科牧智能技术有限公司 | Pedestal pan with wireless charging function, device matched with pedestal pan to realize charging and charging mechanism |
| US10944291B2 (en) * | 2016-10-12 | 2021-03-09 | Wits Co., Ltd. | Wireless power transmitter |
| CN207098721U (en) * | 2017-03-16 | 2018-03-13 | 三峡大学 | A kind of Mobile phone wireless charging device |
| CN108284754B (en) * | 2017-06-06 | 2020-03-10 | 中惠创智无线供电技术有限公司 | Wireless charging device for electric automobile and electric automobile |
| CN108233456A (en) * | 2017-07-31 | 2018-06-29 | 珠海市魅族科技有限公司 | A kind of wireless charging circuit, system, method and electronic equipment |
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