CN111586581B - Automatic matching method and device between wireless charging devices and storage medium - Google Patents
Automatic matching method and device between wireless charging devices and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention provides an automatic matching method and device among wireless charging devices and a storage medium. The wireless charging equipment comprises a transmitting end and a receiving end which are charged wirelessly, the transmitting end and the receiving end are communicated with data through a wireless radio frequency module, and the method comprises the following steps: acquiring an idle transmitting terminal; sending a wireless power transmission time sequence to a target transmitting terminal; when the electric energy transmitted according to the wireless electric energy transmission time sequence is detected and communication is established with a target transmitting terminal, a private address is calculated according to equipment information of a receiving terminal and the target transmitting terminal, and the private address is used as a communication address of the receiving terminal and the target transmitting terminal; data communication is performed through the private address. The one-to-one automatic matching is realized by changing the communication address of the wireless radio frequency module without adding an additional wireless communication module capable of networking. The transmitting end and the receiving end which adopt private address communication overcome communication interference in a public area, and data transmission errors in a wireless charging process are avoided.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to an automatic matching method and device among wireless charging devices and a storage medium.
Background
With the development of science and technology, wireless charging equipment is widely used. Wireless charging systems are generally divided into a transmitting end and a receiving end. Because the two parties are in non-contact operation, data can be interacted only in a wireless communication mode.
Currently, many wireless charging devices use low-cost radio frequency communication modules to implement communication, such as 433M HZ and 2.4G HZ communication modules. The MCU controls the radio frequency communication module to realize communication between the transmitting end and the receiving end. The radio frequency communication mode realizes wireless charging data transmission, and has the advantages of low cost and easy technical realization. However, radio frequency communication transmits information by sending radio frequency signals, and all devices capable of receiving radio frequency signals in a near field can receive the information to be transmitted, so that the current radio frequency communication technology is only suitable for a wireless charging scene that one transmitting end transmits to one receiving end. When a plurality of identical wireless transmitting terminals exist in a near field, interference exists among the wireless transmitting terminals, and after the wireless charging receiving terminal enters the field, the plurality of wireless charging transmitting terminals in the near field can all receive information sent by the wireless charging receiving terminal, so that the receiving terminal cannot be communicated with the transmitting terminal corresponding to the charging position, and communication errors are caused. And random matching between a plurality of transmitting terminals and a plurality of receiving terminals cannot be realized.
In order to realize automatic matching communication between a plurality of wireless charging transmitting terminals and a plurality of wireless charging receiving terminals, a wireless communication module (such as 4G, WIFI and the like) capable of networking is adopted in the existing solution, a wireless network is established through the wireless communication module, a central control system is established in the wireless network, and all communication is scheduled through the central control system. However, the above solution requires more expensive hardware than the rf module, which increases the cost of wireless charging.
Disclosure of Invention
The embodiment of the invention provides an automatic matching method and device among wireless charging devices and a storage medium, and aims to solve the problem of automatic matching communication between a plurality of wireless charging transmitting terminals and a plurality of wireless charging receiving terminals.
The embodiment of the invention is realized in such a way, and provides an automatic matching method between wireless charging devices, wherein each wireless charging device comprises a transmitting end and a receiving end which are charged wirelessly, the transmitting end and the receiving end are communicated with each other through a wireless radio frequency module, and the method comprises the following steps:
the receiving end acquires an idle transmitting end;
sending a wireless power transmission time sequence to a target transmitting terminal in the idle transmitting terminals;
when the electric energy transmitted according to the wireless electric energy transmission time sequence is detected, sending a communication establishing command to the target transmitting terminal;
after receiving the reply of the target transmitting terminal based on the communication establishing command, calculating a private address according to the equipment information of the receiving terminal and the target transmitting terminal, wherein the private address is calculated by adopting the same algorithm when the target transmitting terminal replies the communication establishing command, and the private address is used as the communication address of the target transmitting terminal;
and the receiving terminal sets the private address as the communication address of the wireless radio frequency module and communicates with the target transmitting terminal through the private address.
Further, the step of the receiving end acquiring an idle transmitting end comprises the following steps:
the receiving end controls the wireless radio frequency module to send a scanning transmitting end command through a common address;
after receiving a scanning reply command fed back by a transmitting end based on the scanning transmitting end command, taking the transmitting end fed back with the scanning reply command as the idle transmitting end;
the scanning transmitting end command carries the ID information of the receiving end, and the reply scanning command carries the ID information of the receiving end and the ID information of the transmitting end which feeds back the reply scanning command.
Further, the step of sending the wireless power transmission timing sequence to the target transmitting terminal in the idle transmitting terminals includes the steps of:
selecting one transmitting end from the idle transmitting ends as the target transmitting end;
generating a matching transmitting terminal command according to the ID information of the target transmitting terminal and the wireless power transmission time sequence;
and sending the matched transmitting terminal command through the common address so as to send the wireless power transmission time sequence to the target transmitting terminal.
Further, after the step of sending the radio power transmission timing sequence to the target transmitting end of the idle transmitting ends, the method further includes:
judging whether the electric energy transmitted according to the wireless electric energy transmission time sequence is detected;
if not, replacing the target transmitting terminal, and returning to the step of executing the step of sending the wireless power transmission time sequence to the target transmitting terminal in the idle transmitting terminals;
and if so, executing the step of calculating the private address according to the equipment information of the receiving end and the target transmitting end.
Further, after the step of the receiving end setting the private address as the private address of the wireless radio frequency module and communicating with the target transmitting end through the private address, the method further includes:
sending a private address test command to the target transmitting terminal through the private address;
if the reply information of the target transmitting terminal based on the private address test command is received, receiving wireless power transmission of the target transmitting terminal;
if the reply information of the target transmitting terminal based on the private address test command is not received, the communication address of the wireless radio frequency module is changed into the common address, and the step that the receiving terminal acquires the idle transmitting terminal is returned to be executed.
Further, after the step of receiving the wireless power transmission of the target transmitting terminal, the method further includes:
and when the wireless power transmission is finished, changing the communication address of the wireless radio frequency module into the common address.
In addition, an embodiment of the present invention further provides an automatic matching device between wireless charging devices, where the wireless charging devices include a transmitting end and a receiving end that are wirelessly charged, and both the transmitting end and the receiving end perform data communication through a wireless radio frequency module, and the device includes:
an idle transmitting terminal obtaining unit, configured to obtain an idle transmitting terminal by the receiving terminal;
the time sequence sending unit is used for sending a wireless power transmission time sequence to a target transmitting terminal in the idle transmitting terminals;
a communication establishing command sending unit, configured to send a communication establishing command to the target transmitting end when the power transmitted according to the wireless power transmission timing sequence is detected;
the private address calculation unit is used for calculating a private address according to the equipment information of the receiving end and the target transmitting end after receiving the reply of the target transmitting end based on the communication establishing command, and the target transmitting end adopts the same algorithm to calculate the private address when replying the communication establishing command and takes the private address as the communication address of the target transmitting end;
and the communication address setting unit is used for setting the private address as the communication address of the wireless radio frequency module by the transmitting terminal and communicating with the target transmitting terminal through the private address.
Further, the idle transmitting end obtaining unit includes:
the scanning transmitting end command sending module is used for controlling the wireless radio frequency module to send a scanning transmitting end command through a common address by the receiving end;
an idle transmitting end determining module, configured to receive a scanning reply command fed back by a transmitting end based on the scanning transmitting end command, and use the transmitting end fed back with the scanning reply command as the idle transmitting end;
the scanning transmitting end command carries the ID information of the receiving end, and the reply scanning command carries the ID information of the receiving end and the ID information of the transmitting end which feeds back the reply scanning command.
Further, the timing transmission unit includes:
a target transmitting terminal determining module, configured to select one transmitting terminal from the idle transmitting terminals as the target transmitting terminal;
the matching transmitting terminal command generating unit is used for generating a matching transmitting terminal command according to the ID information of the target transmitting terminal and the wireless power transmission time sequence;
and the matching transmitting terminal command sending unit is used for sending the matching transmitting terminal command through the common address so as to send the wireless power transmission time sequence to the target transmitting terminal.
Still further, the apparatus further comprises:
a judging unit, configured to judge whether the electric energy transmitted according to the wireless electric energy transmission timing sequence is detected;
a target transmitting terminal replacing unit, configured to replace the target transmitting terminal when the power transmitted according to the wireless power transmission timing sequence is not detected, and return to perform the step of sending the wireless power transmission timing sequence to the target transmitting terminal among the idle transmitting terminals;
and the execution unit is used for executing the step of calculating the private address according to the equipment information of the receiving end and the target transmitting end when the electric energy transmitted according to the wireless electric energy transmission time sequence is detected.
Still further, the apparatus further comprises:
the private address testing unit is used for sending a private address testing command to the target transmitting terminal through the private address;
the receiving wireless power transmission unit is used for receiving wireless power transmission of the target transmitting terminal if the reply information of the target transmitting terminal based on the private address test command is received;
and the communication address changing unit is used for changing the communication address of the wireless radio frequency module into the common address and returning to execute the step that the receiving end acquires the idle transmitting end if the reply information of the target transmitting end based on the private address test command is not received.
Furthermore, the communication address changing unit is further configured to change the communication address of the radio frequency module to the common address when the transmission of the radio power is finished.
In addition, an embodiment of the present invention further provides a storage medium, where the storage medium stores a computer program, and the computer program, when executed by a processor, implements the automatic matching method between the wireless charging devices as described above.
Compared with the prior art, the invention has the beneficial effects that after the receiving end enters the charging area, the invention sends the command of scanning the transmitting end through the public address to obtain all idle transmitting ends in the charging area. One of the idle transmitting terminals is used as a target transmitting terminal, a matching transmitting terminal command carrying a wireless power transmission time sequence is sent to the target transmitting terminal, and after the target transmitting terminal receives the matching transmitting terminal command, the electric power is transmitted according to the wireless power transmission time sequence carried by the command. When the receiving end detects the electric energy transmitted by the wireless electric energy transmission time sequence, the receiving end indicates that the current target transmitting end is aligned with the receiving end, and the electric energy transmitted by the target transmitting end can be received by the receiving end. Then, a private address is calculated by adopting a special algorithm according to the ID of the target transmitting terminal and the ID of the receiving terminal, the private address is set as the communication address of the wireless radio frequency modules of the target transmitting terminal and the target receiving terminal, and the receiving terminal and the target transmitting terminal carry out normal wireless charging data interaction through the private address. The one-to-one automatic matching is realized by changing the communication address of the wireless radio frequency module without adding an additional wireless communication module capable of networking. In a public area where a plurality of receiving terminals and a plurality of transmitting terminals coexist, the transmitting terminal and the receiving terminal which adopt private address communication overcome communication interference in the public area, and one-to-one data interaction avoids data transmission errors in a wireless charging process.
Drawings
Fig. 1 is a flowchart illustrating an automatic matching method between wireless charging devices according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the interaction sequence involved in the embodiment of the automatic matching method between wireless charging devices of the present invention;
fig. 3 is a flowchart illustrating an automatic matching method between wireless charging devices according to a second embodiment of the present invention;
fig. 4 is a schematic block diagram of an automatic matching apparatus between wireless charging devices according to a third embodiment of the present invention;
fig. 5 is a schematic block diagram of an automatic matching apparatus between wireless charging devices according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The wireless charging equipment comprises a wireless charging transmitting terminal and a wireless charging receiving terminal, specifically, in the field of wireless charging automobiles, the wireless charging transmitting terminal is arranged at a parking space, the wireless charging receiving terminal is arranged on the automobiles, and when the automobiles need to be wirelessly charged, the transmitting terminal transmits electric energy to the receiving terminal. In the wireless charging process, the transmitting end and the receiving end carry out data communication through the wireless radio frequency module, and the transmission control of electric energy in the charging process is realized. The wireless charging method comprises the steps that a plurality of transmitting terminals exist in a wireless charging area, and when the plurality of transmitting terminals wirelessly charge a plurality of receiving terminals entering the wireless charging area, the receiving terminals needing to enter the charging area can be uniquely matched with the transmitting terminals. For example, in a parking lot with a plurality of wirelessly charged transmitting terminals, when an automobile with a receiving terminal enters the parking lot for charging, the receiving terminal needs to be matched with a certain idle transmitting terminal, and the matched receiving terminal and the transmitting terminal perform data communication, so as to realize wireless charging.
The automatic matching method between the wireless charging devices provided by the invention is suitable for receiving terminals and transmitting terminals in all the wireless charging devices, and the scheme in the embodiment of the invention is described by taking a wireless charging automobile as an example, but not taken as a limitation of the protection scope of the invention.
Example one
Referring to fig. 1, a schematic flow chart of an automatic matching method between wireless charging devices according to an embodiment of the present invention is shown, where the wireless charging device includes a transmitting end and a receiving end that are wirelessly charged, and both the transmitting end and the receiving end perform data communication through a wireless radio frequency module, and the method includes the following steps:
in step S10, the receiving end acquires an idle transmitting end.
After the wireless charging automobile provided with the receiving end enters a charging area, the receiving end acquires all idle transmitting ends in the charging area so as to select a target transmitting end from the idle transmitting ends, and the receiving end is matched with the transmitting end.
The wireless radio frequency modules of the receiving end which just enters the charging area and the idle transmitting end adopt a common address as a communication address.
The receiving end sends a scanning transmitting end command through the public address, and the scanning transmitting end command carries the ID of the receiving end. After receiving the scanning transmitting end command, the idle transmitting end sends a reply scanning command to the receiving end by adopting a public address, wherein the reply scanning command carries a receiving end ID and a transmitting end ID, the receiving end ID is the ID of the receiving end sending the scanning transmitting end command, and the transmitting end ID is the ID of the transmitting end sending the reply scanning command. Therefore, the receiving end sending the scanning transmitting end command can acquire the transmitting end ID carried by the scanning replying command from the scanning replying command, and further acquire all idle transmitting ends.
It should be noted that the transmitting end and the receiving end using the same communication address can receive all commands transmitted through the communication address. Except for the 'scanning transmitting terminal' command sent by the receiving terminal entering the charging area, other commands sent by the transmitting terminal or the receiving terminal of the subsequent wireless charging can only be responded by the equipment (the transmitting terminal or the receiving terminal of the wireless charging) carrying the self ID.
For example, when receiving a "reply scan" command carrying its own ID, the receiving end acquires the ID of the transmitting end carried by the "reply scan" command. And after receiving the 'reply scan' command, other receiving terminals except the receiving terminal sending the 'scan transmitting terminal' command analyze that the transmitting terminal ID carried in the 'reply scan' command is not the self ID, and discard the command without responding.
For example, in the interaction timing diagram shown in fig. 2, there is a receiving end in the wireless charging area: b1, B2, idle transmitting end: a1 and A2, wherein the communication addresses of B1, B2, A1 and A2 are all common addresses. After entering the wireless charging area, the receiving terminal B1 generates a "scanning transmitting terminal" command according to its own ID, and transmits the "scanning transmitting terminal" command carrying B1ID, and the receiving terminals B2, a1, and a2 receive the "scanning transmitting terminal" command. B2 is the receiving end, does not reply to the command of "scanning the transmitting end"; a1 and A2 are used as idle transmitting terminals to send 'reply scan' commands, wherein the 'reply scan' commands sent by A1 carry B1ID and A1ID, and the 'reply scan' commands sent by A2 carry B1ID and A2 ID. B1 receives the "reply scan" command, acquires A1ID and A2ID from the "reply scan" command, and acquires an idle transmitting end. In addition, B2 receives the "reply scan" command, recognizes that there is no self ID in the "reply scan" command, and discards the "reply scan" command (not shown in fig. 2).
And step S20, sending a wireless power transmission time sequence to a target transmitting terminal in the idle transmitting terminals.
Step S30, when detecting the electric energy transmitted according to the wireless electric energy transmission sequence, sending a communication establishing command to the target transmitting terminal
Step S40, after receiving the reply of the target transmitting end based on the communication establishment command, calculating a private address according to the device information of the receiving end and the target transmitting end, where the target transmitting end calculates the private address by using the same algorithm when replying the communication establishment command, and uses the private address as the communication address of the target transmitting end.
Step S50, the receiving end sets the private address as the communication address of the wireless radio frequency module, and communicates with the target transmitting end through the private address.
The idle transmitting terminal exists in the wireless charging area, and the position relationship between the idle transmitting terminal and the receiving terminal is unknown, that is, it cannot be determined which transmitting terminal is aligned with the receiving terminal currently, so that before the receiving terminal is matched with the transmitting terminal, matching charging verification needs to be performed.
The receiving end acquires all idle transmitting ends in the wireless charging area, sequentially transmits a 'matching transmitting end' command, and verifies whether the transmitting end can be matched with the receiving end for charging.
Specifically, the receiving end selects one transmitting end from the idle transmitting ends as a target transmitting end, generates a 'matching transmitting end' command according to the ID of the target transmitting end, the ID of the target transmitting end and a preset wireless power transmission time sequence, and sends the 'matching transmitting end' command. And after receiving the command of the matching transmitting end carrying the ID of the target transmitting end, the target transmitting end responds to the command of the matching transmitting end, replies a reply matching command and carries out power transmission according to the wireless power transmission time sequence carried in the command of the matching transmitting end.
When the electric energy transmitted according to the wireless electric energy transmission time sequence is detected, the target transmitting terminal is aligned with the receiving terminal, and the electric energy transmission can be carried out between the target transmitting terminal and the receiving terminal. And the receiving end sends a communication establishment command to the target transmitting end to request to be matched with the target transmitting end. The target transmitting terminal sends a 'reply communication establishment' command based on the 'communication establishment' command, and a private address is calculated according to the ID of the receiving terminal and the ID of the target transmitting terminal by adopting a specific algorithm. Meanwhile, after receiving the reply of the target transmitting terminal, the receiving terminal calculates the same private address by adopting the same specific algorithm.
The receiving end and the target transmitting end set the private address as the communication address of the respective wireless radio frequency module, and the receiving end and the target transmitting end carry out normal wireless charging data interaction through the private address. In a public area where a plurality of receiving terminals and a plurality of transmitting terminals coexist, the transmitting terminal and the receiving terminal which adopt private address communication overcome communication interference in the public area, and one-to-one data interaction avoids data transmission errors in a wireless charging process.
For example, the receiving end B1 sequentially sends a "matching transmitting end" command to the idle transmitting ends A1 and a2, the transmitting end A1 is first used as a target transmitting end, the "matching transmitting end" command carrying B1ID and A1ID is sent, the "matching transmitting end" carries a charging time sequence — "the charging switch is turned on for 1S, turned off for 1S, and repeated for three times", and after the transmitting end A1 receives the "matching transmitting end" command, the "reply matching" command is sent, the charging switch is turned on for 1S, turned off for 1S, and repeated for three times. If the receiving end detects that the charging time sequence meets the requirement, the private addresses of the receiving end B1 and the transmitting end A1 are calculated by adopting a special algorithm, and the receiving end B1 and the transmitting end A1 carry out wireless charging data interaction through the private addresses, so that information interference of other transmitting ends or receiving ends is avoided.
In addition, if the target transmitting terminal does not respond to the matching transmitting terminal command, the transmitting terminal does not receive the matching reply command replied by the target transmitting terminal within a certain time, or the receiving terminal does not detect the electric energy transmitted according to the wireless electric energy transmission time sequence, which indicates that the target transmitting terminal is occupied currently or the target transmitting terminal is not aligned with the transmitting terminal, and the receiving terminal and the target transmitting terminal cannot be charged in a matching manner. At this time, the transmitting terminal takes the next idle transmitting terminal as a new target transmitting terminal and verifies whether the new target transmitting terminal can be matched with itself for charging.
In this embodiment, after the receiving end enters the charging area, a "scan transmitting end" command is sent through the public address to obtain all idle transmitting ends in the charging area. One of the idle transmitting terminals is used as a target transmitting terminal, a matching transmitting terminal command carrying a wireless power transmission time sequence is sent to the target transmitting terminal, and after the target transmitting terminal receives the matching transmitting terminal command, the electric power is transmitted according to the wireless power transmission time sequence carried by the command. When the receiving end detects the electric energy transmitted by the wireless electric energy transmission time sequence, the receiving end indicates that the current target transmitting end is aligned with the receiving end, and the electric energy transmitted by the target transmitting end can be received by the receiving end. Then, a private address is calculated by adopting a special algorithm according to the ID of the target transmitting terminal and the ID of the receiving terminal, the private address is set as the communication address of the wireless radio frequency modules of the target transmitting terminal and the target receiving terminal, and the receiving terminal and the target transmitting terminal carry out normal wireless charging data interaction through the private address. The one-to-one automatic matching is realized by changing the communication address of the wireless radio frequency module without adding an additional wireless communication module capable of networking. In a public area where a plurality of receiving terminals and a plurality of transmitting terminals coexist, the transmitting terminal and the receiving terminal which adopt private address communication overcome communication interference in the public area, and one-to-one data interaction avoids data transmission errors in a wireless charging process.
Example two
Referring to fig. 3, a flowchart of an automatic matching method between wireless charging devices according to a second embodiment of the present invention is shown, where the second embodiment differs from the first embodiment in that after step S50, the method further includes:
and step S60, sending a private address test command to the target transmitting terminal through the private address.
Step S70, determining whether a reply message of the target transmitting end based on the private address test command is received.
Step S80, if receiving the reply message of the target transmitting end based on the private address test command, receiving the wireless power transmission of the target transmitting end.
Step S90, if the reply message of the target transmitting end based on the private address test command is not received, the communication address of the wireless radio frequency module is changed to the common address, and step S10 is returned to, that is, the receiving end obtains the idle transmitting end.
In thatAfter the receiving end and the target transmitting end respectively set the communication addresses of the respective wireless radio frequency modules as private addresses, in order to ensure that the receiving end can carry out data communication with the target transmitting end through the private addresses in the wireless charging process, before the wireless charging is started, the communication quality of the private addresses is tested, and the phenomenon that one or two parties fail to use the private addresses as the communication addresses and further communication failure is caused is avoided.
Specifically, the receiving end sends a private address test command through the private address, and detects whether a reply private address test command fed back by the target transmitting end based on the private address test command can be received. If the receiving end receives the reply information of the target transmitting end based on the private address test command, the receiving end indicates that both sides have correctly set the private address, and the receiving end can carry out one-to-one data communication with the target transmitting end through the private address; if the reply information of the target transmitting terminal based on the private address test command is not received, which indicates that the communication address of the current receiving terminal is different from the communication address of the target transmitting terminal and that the two terminals cannot normally communicate with each other, the communication address of the wireless radio frequency module of the receiving terminal is changed into a common address again, the idle transmitting terminal is obtained again to search for a target transmitting terminal capable of being matched with charging in the idle transmitting terminal, and then the private address is established with the target transmitting terminal, and data communication is performed by adopting the private address, namely, the steps from step S10 to step S50 are executed again.
In addition, when the charging is finished, the communication addresses of the wireless radio frequency modules of the receiving end and the target transmitting end are changed into the common address, so that the transmitting end and the receiving end can receive data information transmitted by other transmitting ends and receiving ends through the common address. The address of the transmitting terminal can be matched with other receiving terminals for charging after being recovered, so that the transmitting terminal enters the next round of matched charging to serve the next receiving terminal.
In this embodiment, the receiving end sends a "private address test" command through the private address, and detects whether a "reply private address test" command fed back by the target transmitting end based on the "private address test" command can be received. If the receiving end receives the reply information of the target transmitting end based on the private address test command, the receiving end indicates that both sides have correctly set the private address, and the receiving end can carry out one-to-one data communication with the target transmitting end through the private address; if the reply information of the target transmitting terminal based on the private address test command is not received, which indicates that the communication address of the current receiving terminal is different from the communication address of the target transmitting terminal and that the two terminals cannot normally communicate with each other, the communication address of the wireless radio frequency module of the receiving terminal is changed into a common address again, the idle transmitting terminal is obtained again to search for a target transmitting terminal capable of being matched with charging in the idle transmitting terminal, and then the private address is established with the target transmitting terminal, and data communication is performed by adopting the private address, namely, the steps from step S10 to step S50 are executed again. Before starting wireless charging, the communication of the private address is tested, and the phenomenon that one or two parties fail to use the private address as a communication address to further cause communication failure is avoided.
EXAMPLE III
Fig. 4 is a schematic structural diagram of an automatic matching device between wireless charging devices according to a second embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown. Wireless charging equipment includes wireless transmitting terminal and the receiving terminal that charges, transmitting terminal and receiving terminal all carry out data communication through wireless radio frequency module, and this automatic matching device between wireless charging equipment includes:
an idle transmitting end obtaining unit 10, configured to obtain an idle transmitting end by the receiving end.
The idle transmitting end acquiring unit 10 includes: the scanning transmitting end command sending module is used for controlling the wireless radio frequency module to send a scanning transmitting end command through a common address by the receiving end;
an idle transmitting end determining module, configured to receive a scanning reply command fed back by a transmitting end based on the scanning transmitting end command, and use the transmitting end fed back with the scanning reply command as the idle transmitting end;
the scanning transmitting end command carries the ID information of the receiving end, and the reply scanning command carries the ID information of the receiving end and the ID information of the transmitting end which feeds back the reply scanning command.
After the wireless charging automobile provided with the receiving end enters a charging area, the receiving end acquires all idle transmitting ends in the charging area so as to select a target transmitting end from the idle transmitting ends, and the receiving end is matched with the transmitting end.
The wireless radio frequency modules of the receiving end which just enters the charging area and the idle transmitting end adopt a common address as a communication address.
The receiving end sends a scanning transmitting end command through the public address, and the scanning transmitting end command carries the ID of the receiving end. After receiving the scanning transmitting end command, the idle transmitting end sends a reply scanning command to the receiving end by adopting a public address, wherein the reply scanning command carries a receiving end ID and a transmitting end ID, the receiving end ID is the ID of the receiving end sending the scanning transmitting end command, and the transmitting end ID is the ID of the transmitting end sending the reply scanning command. Therefore, the receiving end sending the scanning transmitting end command can acquire the transmitting end ID carried by the scanning replying command from the scanning replying command, and further acquire all idle transmitting ends.
It should be noted that the transmitting end and the receiving end using the same communication address can receive all commands transmitted through the communication address. Except for the 'scanning transmitting terminal' command sent by the receiving terminal entering the charging area, other commands sent by the transmitting terminal or the receiving terminal of the subsequent wireless charging can only be responded by the equipment (the transmitting terminal or the receiving terminal of the wireless charging) carrying the self ID.
For example, when receiving a "reply scan" command carrying its own ID, the receiving end acquires the ID of the transmitting end carried by the "reply scan" command. And after receiving the 'reply scan' command, other receiving terminals except the receiving terminal sending the 'scan transmitting terminal' command analyze that the transmitting terminal ID carried in the 'reply scan' command is not the self ID, and discard the command without responding.
For example, in the interaction timing diagram shown in fig. 2, there is a receiving end in the wireless charging area: b1, B2, idle transmitting end: a1 and A2, wherein the communication addresses of B1, B2, A1 and A2 are all common addresses. After entering the wireless charging area, the receiving terminal B1 generates a "scanning transmitting terminal" command according to its own ID, and transmits the "scanning transmitting terminal" command carrying B1ID, and the receiving terminals B2, a1, and a2 receive the "scanning transmitting terminal" command. B2 is the receiving end, does not reply to the command of "scanning the transmitting end"; a1 and A2 send 'reply scan' commands as idle transmitting terminals, wherein the 'reply scan' commands sent by A1 carry B1ID and A1ID, and the 'reply scan' commands sent by A2 carry B1ID and A2 ID. B1 receives the "reply scan" command, acquires A1ID and A2ID from the "reply scan" command, and acquires an idle transmitting end. In addition, B2 receives the "reply scan" command, recognizes that there is no self ID in the "reply scan" command, and discards the "reply scan" command (not shown in fig. 2).
And a time sequence sending unit 20, configured to send a wireless power transmission time sequence to a target transmitting end of the idle transmitting ends.
The timing transmission unit 20 includes:
a target transmitting terminal determining module, configured to select one transmitting terminal from the idle transmitting terminals as the target transmitting terminal;
the matching transmitting terminal command generating unit is used for generating a matching transmitting terminal command according to the ID information of the target transmitting terminal and the wireless power transmission time sequence;
and the matching transmitting terminal command sending unit is used for sending the matching transmitting terminal command through the common address so as to send the wireless power transmission time sequence to the target transmitting terminal.
A communication setup command transmitting unit 30, configured to transmit a communication setup command to the target transmitting end when the power transmitted according to the wireless power transmission timing sequence is detected.
And the private address calculation unit 40 is configured to calculate a private address according to the device information of the receiving end and the target transmitting end after receiving a reply of the target transmitting end based on the communication establishment command, and the target transmitting end calculates the private address by using the same algorithm when replying the communication establishment command and uses the private address as the communication address of the target transmitting end.
And a communication address setting unit 50, configured to set the private address as a communication address of the radio frequency module by the transmitting end, and communicate with the target transmitting end through the private address.
The idle transmitting terminal exists in the wireless charging area, and the position relationship between the idle transmitting terminal and the receiving terminal is unknown, that is, it cannot be determined which transmitting terminal is aligned with the receiving terminal currently, so that before the receiving terminal is matched with the transmitting terminal, matching charging verification needs to be performed.
The receiving end acquires all idle transmitting ends in the wireless charging area, sequentially transmits a 'matching transmitting end' command, and verifies whether the transmitting end can be matched with the receiving end for charging.
Specifically, the receiving end selects one transmitting end from the idle transmitting ends as a target transmitting end, generates a 'matching transmitting end' command according to the ID of the target transmitting end, the ID of the target transmitting end and a preset wireless power transmission time sequence, and sends the 'matching transmitting end' command. And after receiving the command of the matching transmitting end carrying the ID of the target transmitting end, the target transmitting end responds to the command of the matching transmitting end, replies a reply matching command and carries out power transmission according to the wireless power transmission time sequence carried in the command of the matching transmitting end.
When the electric energy transmitted according to the wireless electric energy transmission time sequence is detected, the target transmitting terminal is aligned with the receiving terminal, and the electric energy transmission can be carried out between the target transmitting terminal and the receiving terminal. And the receiving end sends a communication establishment command to the target transmitting end to request to be matched with the target transmitting end. The target transmitting terminal sends a 'reply communication establishment' command based on the 'communication establishment' command, and a private address is calculated according to the ID of the receiving terminal and the ID of the target transmitting terminal by adopting a specific algorithm. Meanwhile, after receiving the reply of the target transmitting terminal, the receiving terminal calculates the same private address by adopting the same specific algorithm.
The receiving end and the target transmitting end set the private address as the communication address of the respective wireless radio frequency module, and the receiving end and the target transmitting end carry out normal wireless charging data interaction through the private address. In a public area where a plurality of receiving terminals and a plurality of transmitting terminals coexist, the transmitting terminal and the receiving terminal which adopt private address communication overcome communication interference in the public area, and one-to-one data interaction avoids data transmission errors in a wireless charging process.
For example, the receiving end B1 sequentially sends a "matching transmitting end" command to the idle transmitting ends A1 and a2, the transmitting end A1 is first used as a target transmitting end, the "matching transmitting end" command carrying B1ID and A1ID is sent, the "matching transmitting end" carries a charging time sequence — "the charging switch is turned on for 1S, turned off for 1S, and repeated for three times", and after the transmitting end A1 receives the "matching transmitting end" command, the "reply matching" command is sent, the charging switch is turned on for 1S, turned off for 1S, and repeated for three times. If the receiving end detects that the charging time sequence meets the requirement, the private addresses of the receiving end B1 and the transmitting end A1 are calculated by adopting a special algorithm, and the receiving end B1 and the transmitting end A1 carry out wireless charging data interaction through the private addresses, so that information interference of other transmitting ends or receiving ends is avoided.
In addition, the automatic matching device between wireless charging equipment still includes:
a judging unit, configured to judge whether the electric energy transmitted according to the wireless electric energy transmission timing sequence is detected;
a target transmitting terminal replacing unit, configured to replace the target transmitting terminal when the power transmitted according to the wireless power transmission timing sequence is not detected, and return to perform the step of sending the wireless power transmission timing sequence to the target transmitting terminal among the idle transmitting terminals;
and the execution unit is used for executing the step of calculating the private address according to the equipment information of the receiving end and the target transmitting end when the electric energy transmitted according to the wireless electric energy transmission time sequence is detected.
If the target transmitting terminal does not respond to the matching transmitting terminal command, the transmitting terminal does not receive the 'reply matching' command replied by the target transmitting terminal within a certain time, or the receiving terminal does not detect the electric energy transmitted according to the wireless electric energy transmission time sequence, which indicates that the target transmitting terminal is occupied currently or the target transmitting terminal is not aligned with the transmitting terminal, and the receiving terminal and the target transmitting terminal cannot be charged in a matching way. At this time, the transmitting terminal takes the next idle transmitting terminal as a new target transmitting terminal and verifies whether the new target transmitting terminal can be matched with itself for charging.
In this embodiment, after the receiving end enters the charging area, a "scan transmitting end" command is sent through the public address to obtain all idle transmitting ends in the charging area. One of the idle transmitting terminals is used as a target transmitting terminal, a matching transmitting terminal command carrying a wireless power transmission time sequence is sent to the target transmitting terminal, and after the target transmitting terminal receives the matching transmitting terminal command, the electric power is transmitted according to the wireless power transmission time sequence carried by the command. When the receiving end detects the electric energy transmitted by the wireless electric energy transmission time sequence, the receiving end indicates that the current target transmitting end is aligned with the receiving end, and the electric energy transmitted by the target transmitting end can be received by the receiving end. Then, a private address is calculated by adopting a special algorithm according to the ID of the target transmitting terminal and the ID of the receiving terminal, the private address is set as the communication address of the wireless radio frequency modules of the target transmitting terminal and the target receiving terminal, and the receiving terminal and the target transmitting terminal carry out normal wireless charging data interaction through the private address. The one-to-one automatic matching is realized by changing the communication address of the wireless radio frequency module without adding an additional wireless communication module capable of networking. In a public area where a plurality of receiving terminals and a plurality of transmitting terminals coexist, the transmitting terminal and the receiving terminal which adopt private address communication overcome communication interference in the public area, and one-to-one data interaction avoids data transmission errors in a wireless charging process.
Example four
Referring to fig. 5, a module of an automatic matching device between wireless charging devices according to a fourth embodiment of the present invention is shown, and a fourth embodiment of the present invention is different from the fourth embodiment in that the automatic matching device between wireless charging devices further includes:
the private address testing unit is used for sending a private address testing command to the target transmitting terminal through the private address;
the receiving wireless power transmission unit is used for receiving wireless power transmission of the target transmitting terminal if the reply information of the target transmitting terminal based on the private address test command is received;
and the communication address changing unit is used for changing the communication address of the wireless radio frequency module into the common address and returning to execute the step that the receiving end acquires the idle transmitting end if the reply information of the target transmitting end based on the private address test command is not received.
In addition, the communication address changing unit is further configured to change the wireless radio frequency module communication address to the common address when the wireless power transmission is finished.
In thatAfter the receiving end and the target transmitting end respectively set the communication addresses of the respective wireless radio frequency modules as private addresses, in order to ensure that the receiving end can charge wirelesslyData communication can be carried out with the target transmitting terminal through the private address, before wireless charging is started, the communication quality of the private address is tested, and the phenomenon that one or two parties fail to use the private address as a communication address and further communication failure is caused is avoided.
Specifically, the receiving end sends a private address test command through the private address, and detects whether a reply private address test command fed back by the target transmitting end based on the private address test command can be received. If the receiving end receives the reply information of the target transmitting end based on the private address test command, the receiving end indicates that both sides have correctly set the private address, and the receiving end can carry out one-to-one data communication with the target transmitting end through the private address; if the reply information of the target transmitting terminal based on the private address test command is not received, the fact that the communication address of the current receiving terminal is different from the communication address of the target transmitting terminal and the two terminals cannot normally communicate is indicated, the communication address of the wireless radio frequency module of the receiving terminal is changed into a common address again, the idle transmitting terminal is obtained again to search for the target transmitting terminal capable of being matched with charging in the idle transmitting terminal, then the private address is established with the target transmitting terminal, and data communication is carried out by adopting the private address.
In addition, when the charging is finished, the communication addresses of the wireless radio frequency modules of the receiving end and the target transmitting end are changed into the common address, so that the transmitting end and the receiving end can receive data information transmitted by other transmitting ends and receiving ends through the common address. The address of the transmitting terminal can be matched with other receiving terminals for charging after being recovered, so that the transmitting terminal enters the next round of matched charging to serve the next receiving terminal.
In this embodiment, the receiving end sends a "private address test" command through the private address, and detects whether a "reply private address test" command fed back by the target transmitting end based on the "private address test" command can be received. If the receiving end receives the reply information of the target transmitting end based on the private address test command, the receiving end indicates that both sides have correctly set the private address, and the receiving end can carry out one-to-one data communication with the target transmitting end through the private address; if the reply information of the target transmitting terminal based on the private address test command is not received, the fact that the communication address of the current receiving terminal is different from the communication address of the target transmitting terminal and the two terminals cannot normally communicate is indicated, the communication address of the wireless radio frequency module of the receiving terminal is changed into a common address again, the idle transmitting terminal is obtained again to search for the target transmitting terminal capable of being matched with charging in the idle transmitting terminal, then the private address is established with the target transmitting terminal, and data communication is carried out by adopting the private address. Before starting wireless charging, the communication of the private address is tested, and the phenomenon that one or two parties fail to use the private address as a communication address to further cause communication failure is avoided.
The implementation principle and the generated technical effect of the automatic matching device between the wireless charging devices provided by the invention are the same as those of the automatic matching method between the wireless charging devices, and for the sake of brief description, corresponding contents in the automatic matching method between the wireless charging devices can be referred to where the automatic matching device between the wireless charging devices is not mentioned.
In addition, an embodiment of the present invention further provides a storage medium, where the computer readable storage medium stores an automatic matching program between wireless charging devices, and the automatic matching program between wireless charging devices, when executed by a processor, implements the steps of the automatic matching method between wireless charging devices according to the above first to second embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. An automatic matching method between wireless charging devices is characterized in that the wireless charging devices comprise a transmitting end and a receiving end which are charged wirelessly, the transmitting end and the receiving end are communicated with each other through a wireless radio frequency module, and the method comprises the following steps:
the receiving end acquires an idle transmitting end;
sending a wireless power transmission time sequence to a target transmitting terminal in the idle transmitting terminals;
when electric energy transmitted according to the wireless electric energy transmission time sequence is detected, determining that the target transmitting terminal is aligned with the receiving terminal, wherein the target transmitting terminal and the receiving terminal can carry out electric energy transmission and send a communication establishing command to the target transmitting terminal;
after receiving the reply of the target transmitting terminal based on the communication establishing command, calculating a private address according to the equipment information of the receiving terminal and the target transmitting terminal, wherein the private address is calculated by adopting the same algorithm when the target transmitting terminal replies the communication establishing command, and the private address is used as the communication address of the target transmitting terminal;
the receiving end sets the private address as a communication address of the wireless radio frequency module and communicates with the target transmitting end through the private address;
the step of sending a wireless power transmission timing sequence to a target transmitting terminal of the idle transmitting terminals comprises the steps of:
selecting one transmitting end from the idle transmitting ends as the target transmitting end;
generating a matching transmitting terminal command according to the ID information of the target transmitting terminal and the wireless power transmission time sequence;
and sending the matched transmitting terminal command through a common address so as to send the wireless power transmission time sequence to the target transmitting terminal.
2. The method for automatic matching between wireless charging devices as claimed in claim 1, wherein the step of the receiving end acquiring an idle transmitting end comprises the steps of:
the receiving end controls the wireless radio frequency module to send a scanning transmitting end command through the common address;
after receiving a scanning reply command fed back by a transmitting end based on the scanning transmitting end command, taking the transmitting end fed back with the scanning reply command as the idle transmitting end;
the scanning transmitting end command carries the ID information of the receiving end, and the reply scanning command carries the ID information of the receiving end and the ID information of the transmitting end which feeds back the reply scanning command.
3. The method for automatic matching between wireless charging devices of claim 1, wherein after the step of sending the wireless power transmission timing sequence to the target one of the idle transmitters, the method further comprises:
judging whether the electric energy transmitted according to the wireless electric energy transmission time sequence is detected;
if not, replacing the target transmitting terminal, and returning to the step of executing the step of sending the wireless power transmission time sequence to the target transmitting terminal in the idle transmitting terminals;
and if so, executing the step of calculating the private address according to the equipment information of the receiving end and the target transmitting end.
4. The method for automatic matching between wireless charging devices according to any one of claims 1 to 3, wherein after the step of the receiving end setting the private address as the private address of the wireless radio frequency module and communicating with the target transmitting end through the private address, the method further comprises:
sending a private address test command to the target transmitting terminal through the private address;
if the reply information of the target transmitting terminal based on the private address test command is received, receiving wireless power transmission of the target transmitting terminal;
if the reply information of the target transmitting terminal based on the private address test command is not received, the communication address of the wireless radio frequency module is changed into the common address, and the step that the receiving terminal acquires the idle transmitting terminal is returned to be executed.
5. The method for automatic matching between wireless charging devices of claim 4, wherein after the step of receiving the wireless power transmission of the target transmitting end, the method further comprises:
and when the wireless power transmission is finished, changing the communication address of the wireless radio frequency module into the common address.
6. The utility model provides an automatic matching device between wireless charging equipment, its characterized in that, wireless charging equipment includes wireless transmitting terminal and the receiving terminal that charges, transmitting terminal and receiving terminal all carry out data communication through wireless radio frequency module, the device includes:
an idle transmitting terminal obtaining unit, configured to obtain an idle transmitting terminal by the receiving terminal;
the time sequence sending unit is used for sending a wireless power transmission time sequence to a target transmitting terminal in the idle transmitting terminals;
a communication establishing command sending unit, configured to determine that the target transmitting end is aligned with the receiving end when detecting the power transmitted according to the wireless power transmission timing sequence, where the target transmitting end and the receiving end are capable of performing power transmission, and send a communication establishing command to the target transmitting end;
the private address calculation unit is used for calculating a private address according to the equipment information of the receiving end and the target transmitting end after receiving the reply of the target transmitting end based on the communication establishing command, and the target transmitting end adopts the same algorithm to calculate the private address when replying the communication establishing command and takes the private address as the communication address of the target transmitting end;
the communication address setting unit is used for setting the private address as the communication address of the wireless radio frequency module by the transmitting terminal and communicating with the target transmitting terminal through the private address;
the timing transmission unit includes:
a target transmitting terminal determining module, configured to select one transmitting terminal from the idle transmitting terminals as the target transmitting terminal;
the matching transmitting terminal command generating unit is used for generating a matching transmitting terminal command according to the ID information of the target transmitting terminal and the wireless power transmission time sequence;
and the matching transmitting terminal command sending unit is used for sending the matching transmitting terminal command through a common address so as to send the wireless power transmission time sequence to the target transmitting terminal.
7. The apparatus for automatic matching between wireless charging devices of claim 6, wherein the idle transmitting side obtaining unit comprises:
the scanning transmitting end command sending module is used for controlling the wireless radio frequency module to send a scanning transmitting end command through the common address by the receiving end;
an idle transmitting end determining module, configured to receive a scanning reply command fed back by a transmitting end based on the scanning transmitting end command, and use the transmitting end fed back with the scanning reply command as the idle transmitting end;
the scanning transmitting end command carries the ID information of the receiving end, and the reply scanning command carries the ID information of the receiving end and the ID information of the transmitting end which feeds back the reply scanning command.
8. The apparatus for automatic matching between wireless charging devices of claim 6, wherein the apparatus further comprises:
a judging unit, configured to judge whether the electric energy transmitted according to the wireless electric energy transmission timing sequence is detected;
a target transmitting terminal replacing unit, configured to replace the target transmitting terminal when the power transmitted according to the wireless power transmission timing sequence is not detected, and return to perform the step of sending the wireless power transmission timing sequence to the target transmitting terminal among the idle transmitting terminals;
and the execution unit is used for executing the step of calculating the private address according to the equipment information of the receiving end and the target transmitting end when the electric energy transmitted according to the wireless electric energy transmission time sequence is detected.
9. The apparatus for automatic matching between wireless charging devices of any of claims 6-8, wherein the apparatus further comprises:
the private address testing unit is used for sending a private address testing command to the target transmitting terminal through the private address;
the receiving wireless power transmission unit is used for receiving wireless power transmission of the target transmitting terminal if the reply information of the target transmitting terminal based on the private address test command is received;
and the communication address changing unit is used for changing the communication address of the wireless radio frequency module into the common address and returning to execute the step that the receiving end acquires the idle transmitting end if the reply information of the target transmitting end based on the private address test command is not received.
10. The automatic matching apparatus between wireless charging devices of claim 9,
the communication address changing unit is further configured to change the wireless radio frequency module communication address to the common address when the wireless power transmission is finished.
11. A storage medium storing a computer program which, when executed by a processor, implements the automatic matching method between wireless charging devices according to any one of claims 1 to 5.
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| CN114243954B (en) * | 2021-11-04 | 2022-05-20 | 深圳赫兹创新技术有限公司 | Wireless equipment matching communication system and method based on waveform characteristics and electronic equipment |
| CN114604111A (en) * | 2022-03-31 | 2022-06-10 | 重庆华创智能科技研究院有限公司 | Wireless charging control method based on unmanned aerial vehicle anti-communication interference |
| CN116318268A (en) * | 2022-12-29 | 2023-06-23 | 上海卡珀林智能科技有限公司 | Time domain carrier communication method |
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