CN116846028A - Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment - Google Patents
Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment Download PDFInfo
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- CN116846028A CN116846028A CN202310816474.2A CN202310816474A CN116846028A CN 116846028 A CN116846028 A CN 116846028A CN 202310816474 A CN202310816474 A CN 202310816474A CN 116846028 A CN116846028 A CN 116846028A
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- receiving equipment
- mutual inductance
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000007405 data analysis Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
-
- 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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of wireless charging. The invention discloses an automatic start-up control method for judging the intervention of wireless receiving equipment, which adopts an information sending and feedback technology, a transmitting device sends micro-energy information to be released outwards through a transmitting coil, an information acquisition device processes the received information when the receiving equipment is in intervention, a processed information exchange control unit performs data analysis and judgment, and the control unit analyzes the information of the information acquisition device, and starts a charging mode or maintains a mutual inductance information receiving mode. According to the method for judging the mutual inductance automatic starting control of the wireless receiving equipment, when the wireless charger is in the shutdown low-power consumption mode, the wireless charger transmitting end wakes up to charge the wireless receiving equipment, the tedious step of starting up by a user key is omitted, and meanwhile, the wireless charger can be started up automatically only by a mobile phone and equipment meeting the wireless receiving standard.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to an automatic start-up control method for judging the intervention mutual inductance of wireless receiving equipment.
Background
At present, two technologies are adopted for wireless charger capable of automatically starting up in the market:
1. hall switching technology. The technical bottleneck is large, and the automatic starting and charging can be realized only for the mobile phone with magnetic attraction, but other wireless receiving equipment without a magnet cannot realize the automatic starting;
2. touch chip technology. The technical bottleneck is also large, the product power consumption is increased no matter the human body or the metal is touched, and the small receiving equipment cannot be started automatically.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an automatic starting control method for judging the intervention of wireless receiving equipment in mutual inductance, which solves the problems of large technical bottleneck, limitation and large product power consumption of the existing wireless charging technology for automatic starting in the market.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: an automatic start-up control method for judging the intervention mutual inductance of a wireless receiving device comprises the following steps:
step 1, a transmitting device transmits mutual inductance information;
step 2, when the receiving equipment intervenes in the mutual inductance information sent by the transmitting device, the information acquisition device processes the intervened receiving equipment information;
step 3, the information processed by the information acquisition device is transmitted to the control unit for data analysis and judgment;
and 4, the control unit analyzes the information of the information acquisition device, and starts a charging mode or maintains a mutual inductance information receiving mode.
Preferably, a wireless coil bridge circuit capable of transmitting energy is arranged in the transmitting device, the receiving equipment is a mobile phone and equipment which meet the wireless receiving standard, the receiving equipment comprises an intervention detection unit for monitoring micro-energy signals transmitted by the transmitting device, the control unit is arranged as an MCU unit, and the intervention detection unit sends processed information into the MCU unit.
Preferably, the information acquisition device detects the information of the interposed receiving equipment, the data after the clamping and wave-splitting processing is transmitted to the MCU unit, and when the MCU unit analyzes that the information processed by the information acquisition device meets the starting requirement, the MCU unit drives the wireless coil bridge circuit to emit energy and starts charging, and the MCU unit is in a charging mode at the moment; and when the information processed by the MCU unit analysis information acquisition device does not meet the starting-up requirement, the transmitting device is maintained to transmit mutual inductance information, and the information is in a mutual inductance information receiving mode. The invention adopts the information sending and feedback technology, the transmitting device sends micro-energy information to be released outwards through the transmitting coil, when receiving equipment is interposed, the information acquisition device processes the received information, the processed information is sent to the control unit for data analysis and judgment, and when the control unit analyzes that the information of the information acquisition device meets the starting-up requirement, the control unit opens the transmitting device to wirelessly charge the receiving device, so as to achieve the aim of automatic starting-up.
Preferably, the control circuit is powered by a 3.7V battery power supply and performs voltage protection through a battery protection circuit, and the 3.7V battery power supply is powered by a wireless coil bridge circuit and an intervention detection unit after being boosted by a 4V-6V booster circuit.
Preferably, after receiving the detected, clamped and wave-separated data, the MCU unit sends a signal to control a main power supply separation switch, and when the main power supply is separated and closed, the 3.7V battery power supply passes through a QC PD boost circuit to supply power to a wireless coil bridge circuit, and the wireless coil bridge circuit charges receiving equipment; when the main power supply disconnecting switch is turned on, the MCU unit and the wireless coil bridge circuit maintain a mutual inductance information receiving mode. The main power supply is selectively connected through the main power supply disconnecting switch, when only the MCU detects that equipment is connected, the MCU can control the main power supply disconnecting switch to be communicated with the main power supply and the wireless coil, the receiving equipment is charged, and in a normal equipment-free connection state, a mutual inductance state is maintained, the receiving equipment can keep a low-power-consumption shutdown state, only the micro-energy information and the wireless coil keep mutual inductance, the aim of self-starting and charging of the equipment can be achieved as long as the equipment capable of supporting the wireless receiving standard can be started without a user key under the standard, a Hall switch technology and a touch chip technology with larger technical difficulty are not needed, the power consumption is stable, and the starting and charging are not influenced by external interference.
Preferably, when the information acquisition device is connected with mutual inductance information, signal coupling is performed through a resistor R9 of 100K and a capacitor C2 of 2.2nF, the signals enter pins 2 and 3 of the voltage comparator through two branches respectively, one branch is divided by a resistor R26 and a resistor R7, and the other branch is output to the MCU after comparison through an RC circuit formed by a capacitor C4 and a resistor R5. The voltage comparator can decode the mutual inductance signal after pulse width modulation and transmit the mutual inductance signal to the wireless bridge circuit, and when the MCU receives the high-level signal, the automatic switching of the circuit can be realized, and the starting-up starting and charging of the equipment are carried out.
(III) beneficial effects
The invention provides an automatic start-up control method for judging the intervention mutual inductance of wireless receiving equipment. The beneficial effects are as follows:
according to the automatic starting control method for judging the intervention of the wireless receiving equipment, through the adoption of the information sending and feedback technology, the transmitting device sends micro-energy information to be released outwards through the transmitting coil, when the receiving equipment is in the intervention, the information acquisition device processes the received information, the processed information is sent to the control unit for data analysis and judgment, and when the control unit analyzes that the information of the information acquisition device meets the starting requirement, the control unit opens the transmitting device to wirelessly charge the receiving device, so that the automatic starting purpose is achieved. The device which only supports wireless can be normally started to charge the receiving device; meanwhile, the power consumption is stable, and the power consumption is not increased due to external interference.
Drawings
FIG. 1 is a functional flow chart of the present invention;
FIG. 2 is a diagram of a topology of the present invention;
fig. 3 is a circuit diagram of the application principle of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automatic start-up control method for judging the intervention mutual inductance of a wireless receiving device comprises the following steps:
step 1, a transmitting device transmits mutual inductance information;
step 2, when the receiving equipment intervenes in the mutual inductance information sent by the transmitting device, the information acquisition device processes the intervened receiving equipment information;
step 3, the information processed by the information acquisition device is transmitted to the control unit for data analysis and judgment;
and 4, the control unit analyzes the information of the information acquisition device, and starts a charging mode or maintains a mutual inductance information receiving mode.
The receiving equipment is a mobile phone and equipment which meet the wireless receiving standard, and comprises an intervention detection unit which is used for monitoring micro-energy signals transmitted by the transmitting device, wherein the control unit is set as an MCU unit, and the intervention detection unit sends processed information to the MCU unit; the information acquisition device detects the interposed receiving equipment information, the data after the clamping and wave-splitting processing is transmitted to the MCU unit, and when the MCU unit analyzes that the information processed by the information acquisition device meets the starting requirement, the MCU unit drives the wireless coil bridge circuit to transmit energy and starts charging, and the charging mode is adopted at the moment; when the information processed by the MCU unit analysis information acquisition device does not meet the starting-up requirement, the transmitting device is maintained to transmit mutual inductance information, and the information is in a mutual inductance information receiving mode. The invention adopts the information sending and feedback technology, the transmitting device sends micro-energy information to be released outwards through the transmitting coil, when receiving equipment is interposed, the information acquisition device processes the received information, the processed information is sent to the control unit for data analysis and judgment, and when the control unit analyzes that the information of the information acquisition device meets the starting-up requirement, the control unit opens the transmitting device to wirelessly charge the receiving device, so as to achieve the aim of automatic starting-up.
The method adopts the information sending and feedback technology, the transmitting device sends micro-energy information to be released outwards through the transmitting coil, the information acquisition device processes the received information when receiving equipment is interposed, the processed information is sent to the control unit for data analysis and judgment, and when the control unit analyzes that the information of the information acquisition device meets the starting-up requirement, the control unit opens the transmitting device to wirelessly charge the receiving device, so that the aim of automatic starting-up is achieved. The device which only supports wireless can be normally started to charge the receiving device; meanwhile, the power consumption is stable, and the power consumption is not increased due to external interference.
In the embodiment, the control circuit is powered by a 3.7V battery power supply, and performs voltage protection through a battery protection circuit, and the 3.7V battery power supply is powered by a wireless coil bridge circuit and an intervention detection unit after being boosted by a 4V-6V booster circuit; after receiving the data subjected to detection, clamping and wave-splitting processing, the MCU unit sends a signal to control a main power supply separation switch, when the main power supply is separated and closed, a 3.7V battery power supply passes through a QC PD boost circuit to supply power to the wireless coil bridge circuit, and the wireless coil bridge circuit charges receiving equipment; when the main power supply disconnecting switch is turned on, the MCU unit and the wireless coil bridge circuit maintain a mutual inductance information receiving mode, the main power supply is selectively connected through the main power supply disconnecting switch, when the MCU detects that the equipment is connected, the MCU can control the main power supply disconnecting switch to be communicated with the main power supply and the wireless coil, the receiving equipment is charged, and in a normal non-equipment connection state, the receiving equipment can maintain a low-power-consumption shutdown state, and can maintain mutual inductance only through micro-energy information and the wireless coil, so that the equipment capable of supporting a wireless receiving standard can be started without a user key under the standard, the purpose of self-starting and charging of the equipment can be realized, a Hall switch technology and a touch chip technology with larger technical difficulty are not required, the power consumption is stable, and the starting and charging are not influenced by external interference.
In the specific circuit of this embodiment, when the information acquisition device accesses mutual inductance information, signal coupling is performed through a resistor R9 of 100K and through a capacitor C2 of 2.2nF, and the signals enter pins 2 and 3 of the voltage comparator through two branches respectively, wherein one of the two branches is divided by a resistor R26 and a resistor R7, and the other branch is output to the MCU unit after comparison through an RC circuit formed by a capacitor C4 and a resistor R5. The voltage comparator can decode the mutual inductance signal after pulse width modulation and transmit the mutual inductance signal to the wireless bridge circuit, and when the MCU receives the high-level signal, the automatic switching of the circuit can be realized, and the starting-up starting and charging of the equipment are carried out.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The statement "comprising an element defined by … … does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The automatic start-up control method for judging the intervention mutual inductance of the wireless receiving equipment is characterized by comprising the following steps:
step 1, a transmitting device transmits mutual inductance information;
step 2, when the receiving equipment intervenes in the mutual inductance information sent by the transmitting device, the information acquisition device processes the intervened receiving equipment information;
step 3, the information processed by the information acquisition device is transmitted to the control unit for data analysis and judgment;
and 4, the control unit analyzes the information of the information acquisition device, and starts a charging mode or maintains a mutual inductance information receiving mode.
2. The automatic start-up control method for judging intervention of wireless receiving equipment according to claim 1, wherein a wireless coil bridge circuit capable of transmitting energy is arranged in the transmitting device, the receiving equipment is a mobile phone and equipment which meet a wireless receiving standard, the receiving equipment comprises an intervention detection unit for monitoring micro-energy signals transmitted by the transmitting device, the control unit is set as an MCU unit, and the intervention detection unit transmits processed information to the MCU unit.
3. The method for automatically starting up the wireless receiving equipment according to claim 2, wherein the information acquisition device detects the information of the wireless receiving equipment, the data after the processing of clamping and wave-splitting is transmitted to the MCU unit, and when the MCU unit analyzes that the information processed by the information acquisition device meets the starting-up requirement, the MCU unit drives the wireless coil bridge circuit to transmit energy and starts charging, and the MCU unit is in a charging mode at the moment; and when the information processed by the MCU unit analysis information acquisition device does not meet the starting-up requirement, the transmitting device is maintained to transmit mutual inductance information, and the information is in a mutual inductance information receiving mode.
4. The method for automatically starting up the wireless receiving equipment through intervening mutual inductance judgment according to claim 2, wherein the control circuit is powered by a 3.7V battery power supply and performs voltage protection through a battery protection circuit, and the 3.7V battery power supply is powered by a wireless coil bridge circuit and an intervening detection unit after being boosted by a 4V-6V booster circuit.
5. The method for automatically starting up the wireless receiving equipment through intervening mutual inductance according to claim 4, wherein after the MCU unit receives the detected, embedded and wave-separated data, a signal is sent to control a main power supply separation switch, and when the main power supply is separated and closed, the 3.7V battery power supply passes through a QC PD boost circuit to supply power to the wireless coil bridge circuit, and the wireless coil bridge circuit charges the receiving equipment; when the main power supply disconnecting switch is turned on, the MCU unit and the wireless coil bridge circuit maintain a mutual inductance information receiving mode.
6. The method for automatically starting up the wireless receiving equipment intervention mutual inductance judgment control according to claim 4, wherein when the information acquisition device is connected with mutual inductance information, signal coupling is carried out through a resistor R9 of 100K and a capacitor C2 of 2.2nF, the signal coupling is respectively carried out through two branches, pins 2 and 3 of a voltage comparator are respectively carried out, one branch is divided by a resistor R26 and a resistor R7, and the other branch is subjected to an RC circuit formed by a capacitor C4 and a resistor R5, and the result is output to the MCU unit after comparison.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022108466803 | 2022-07-05 | ||
| CN202210846680.3A CN115021429A (en) | 2022-07-05 | 2022-07-05 | Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN116846028A true CN116846028A (en) | 2023-10-03 |
| CN116846028B CN116846028B (en) | 2024-05-28 |
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| CN202210846680.3A Pending CN115021429A (en) | 2022-07-05 | 2022-07-05 | Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment |
| CN202310816474.2A Active CN116846028B (en) | 2022-07-05 | 2023-07-04 | Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment |
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| CN202210846680.3A Pending CN115021429A (en) | 2022-07-05 | 2022-07-05 | Automatic startup control method for judging intervention mutual inductance of wireless receiving equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116846028B (en) | 2024-05-28 |
| CN115021429A (en) | 2022-09-06 |
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