Wireless radio frequency charging method and electronic device

Abstract

The application discloses a wireless radio frequency charging method and an electronic device. The method comprises the following steps: obtaining position information of an energy receiving device located in a space range; based on the position information, controlling a transmitting antenna array to shape a plurality of radio frequency beams in a plurality of output directions, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device; wherein the output direction of each radio frequency beam corresponds to different regions of a receiving antenna array of the energy receiving device.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of radio frequency technology, in particular to a wireless radio frequency charging method and electronic equipment. BACKGROUND

[0002] In order to realize contactless charging, a radio frequency energy transmitter is usually used to transmit electric energy to an energy receiving device through a beam. For example, a radio frequency energy transmitter is configured on a wireless charger to perform contactless charging on a mobile phone.

[0003] In the current contactless charging scheme, the radio frequency beam shaped by the radio frequency energy transmitter is usually output with a large output range, so as to cover the position of the energy receiving device.

[0004] However, due to the large output range of the radio frequency beam, the radio frequency beam is output in the area of the non-energy receiving device, thereby causing energy waste. SUMMARY

[0005] Therefore, the present application provides a wireless radio frequency charging method and electronic equipment, as follows:

[0006] A wireless radio frequency charging method, comprising:

[0007] obtaining position information of an energy receiving device located in a spatial range;

[0008] based on the position information, controlling a transmitting antenna array to shape a plurality of radio frequency beams in a plurality of output directions, so that the plurality of radio frequency beams perform wireless charging on the energy receiving device in the air;

[0009] wherein the output direction of each radio frequency beam corresponds to a different area of a receiving antenna array of the energy receiving device.

[0010] The above method, preferably, obtaining position information of an energy receiving device located in a spatial range, comprises:

[0011] outputting a positioning beam to the spatial range where the energy receiving device is located, and obtaining position information of a receiving antenna array of the energy receiving device according to positioning feedback information of the positioning beam;

[0012] or,

[0013] obtaining a device area of the energy receiving device in the spatial range, outputting a positioning beam to the device area, and obtaining position information of a receiving antenna array of the energy receiving device according to positioning feedback information of the positioning beam;

[0014] The output parameter of the positioning beam is related to an array parameter of the receiving antenna array, and the array parameter at least includes an array shape and / or an array size of the receiving antenna array, and the array parameter is received through a data connection established between the energy receiving device.

[0015] The method preferably controls the transmitting antenna array to form a plurality of radio frequency beams in a plurality of output directions based on the position information, and includes:

[0016] According to the antenna position of the receiving antenna included in the receiving antenna array in the position information, the receiving antenna included in the receiving antenna array is regionally divided, so that the receiving antenna array is divided into a plurality of receiving regions; each receiving region forms a corresponding output direction with the transmitting antenna array;

[0017] The transmitting antenna array is controlled to form a corresponding radio frequency beam in the output direction, so that each radio frequency beam is transmitted to the corresponding receiving region of the receiving antenna array.

[0018] The method preferably further includes:

[0019] Monitoring whether a radio frequency beam is blocked;

[0020] In the case that the radio frequency beam formed in the first output direction is blocked, the transmitting antenna array is controlled to stop forming a radio frequency beam in the first output direction.

[0021] The method preferably includes any one or more of the following:

[0022] Obtaining radio frequency feedback information of the radio frequency beam in each output direction, and determining whether a radio frequency beam is blocked according to the radio frequency feedback information of the radio frequency beam;

[0023] Receiving a first blocking monitoring result of the energy receiving device, and determining whether a radio frequency beam is blocked according to the first blocking monitoring result, wherein the first blocking monitoring result is generated by the energy receiving device according to a monitored beam power parameter;

[0024] Receiving a second blocking monitoring result of the energy receiving device, and determining whether a radio frequency beam is blocked according to the second blocking monitoring result, wherein the second blocking monitoring result is generated by the energy receiving device according to a monitored beam sensing parameter;

[0025] At least according to device posture information and motion state information of the energy receiving device, it is determined whether a radio frequency beam is blocked at a target time, and the target time is a future time relative to the current time;

[0026] According to the object posture information and the motion state information of the moving object in the space range, it is determined whether a radio frequency beam is blocked by the moving object at the target moment.

[0027] Preferably, the transmitting antenna array comprises a plurality of antenna groups, each of the antenna groups comprises one or more transmitting antennas, and one of the antenna groups corresponds to one of the output directions; the antenna groups are configured to form corresponding radio frequency beams in the corresponding output directions.

[0028] The method further comprises:

[0029] The method further comprises:

[0030] Preferably, after the antenna group corresponding to the first output direction is controlled to stop forming the corresponding radio frequency beam in the first output direction, the method further comprises:

[0031] The method further comprises:

[0032] Preferably, the transmitting antenna array has a plurality of transmitting time slots, and one of the transmitting time slots corresponds to one of the output directions; the transmitting antenna array is configured to form corresponding radio frequency beams in the corresponding output directions according to a time slot order between the transmitting time slots.

[0033] The method further comprises:

[0034] The method further comprises:

[0035] Preferably, after the transmitting antenna array is controlled to stop forming the radio frequency beam in the first output direction in the first time slot, the method further comprises:

[0036] The method further comprises:

[0037] A wireless radio frequency charging device, comprising:

[0038] a position obtaining unit configured to obtain position information of the energy receiving device located in a spatial range;

[0039] a transmission control unit configured to control the transmission antenna array to shape a plurality of radio frequency beams in a plurality of output directions based on the position information, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device;

[0040] wherein the output direction of each radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device.

[0041] An electronic device comprising:

[0042] a transmission antenna array configured to shape at least a radio frequency beam;

[0043] a processor configured to obtain position information of the energy receiving device located in a spatial range, and control the transmission antenna array to shape a plurality of radio frequency beams in a plurality of output directions based on the position information, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device;

[0044] wherein the output direction of each radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device.

[0045] As can be seen from the above technical solutions, in the wireless radio frequency charging method and the electronic device disclosed in the present application, after obtaining the position information of the energy receiving device located in a spatial range, based on the position information, a plurality of radio frequency beams are shaped in a plurality of output directions by controlling the transmission antenna array, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device, and at this time the output direction of each radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device. As can be seen, in the present application, the radio frequency beams with corresponding output directions are shaped on different areas of the receiving antenna array, so that the radio frequency beams shaped by the transmission antenna array can be output to the receiving antenna array, thereby precisely shaping the radio frequency beams for the receiving antenna array, avoiding the situation that the radio frequency beams are output to areas other than the energy receiving device, thereby avoiding energy waste and achieving the purpose of improving energy utilization. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0047] Figure 1A flow chart of a wireless radio frequency charging method provided for Embodiment One of the present application;

[0048] Figures 2-14 Respectively, another example diagram in Embodiment One of the present application;

[0049] Figure 15 Another flow chart of a wireless radio frequency charging method provided for Embodiment One of the present application;

[0050] Figures 16-22 Respectively, another example diagram in Embodiment One of the present application;

[0051] Figure 23 Yet another flow chart of a wireless radio frequency charging method provided for Embodiment One of the present application;

[0052] Figures 24-26 Respectively, another example diagram in Embodiment One of the present application;

[0053] Figure 27 Yet another flow chart of a wireless radio frequency charging method provided for Embodiment One of the present application;

[0054] Figures 28-30 Respectively, another example diagram in Embodiment One of the present application;

[0055] Figure 31 Yet another flow chart of a wireless radio frequency charging method provided for Embodiment One of the present application;

[0056] Figure 32 Respectively, another example diagram in Embodiment One of the present application;

[0057] Figure 33 A structural schematic diagram of a wireless radio frequency charging device provided for Embodiment Two of the present application;

[0058] Figure 34 A structural schematic diagram of an electronic device provided for Embodiment Three of the present application. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without any creative work, fall within the scope of protection of the present application.

[0060] REFERENCES Figure 1As shown, an implementation flowchart of a wireless radio frequency charging method provided by Embodiment One of the present application is shown, which can be applied to electronic devices with a transmitting antenna array to shape radio frequency beams to charge energy receiving devices, for example, the electronic device in the present embodiment can be a wireless charger and the like, and the energy receiving device can be a device that needs to be charged wirelessly, such as a mobile phone, a pad, or a car, etc. The technical solution in the present embodiment is mainly used to improve energy utilization.

[0061] Specifically, the method in the present embodiment can include the following steps:

[0062] Step 101: Obtain the position information of the energy receiving device within the spatial range.

[0063] The position information refers to the position information of the receiving antenna array in the energy receiving device within the spatial range, and specifically includes the antenna positions of the receiving antennas included in the receiving antenna array. In the present embodiment, the positioning beam shaped by the transmitting antenna array can be used to scan within the spatial range to obtain the position information of the receiving antenna array.

[0064] For example, as shown in Figure 2 and Figure 3 , the wireless charger emits a positioning beam through the transmitting antenna to the indoor space to scan the antenna positions of the receiving antennas in the receiving antenna array in the mobile phone; for another example, the wireless charging pile emits a positioning beam through the transmitting antenna to the outdoor space to scan the antenna positions of the receiving antennas in the receiving antenna array in the car.

[0065] Step 102: Based on the position information, control the transmitting antenna array to shape a plurality of radio frequency beams in a plurality of output directions, so that the plurality of radio frequency beams wirelessly charge the energy receiving device.

[0066] Each output direction of the radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device. That is, the receiving antenna array has a plurality of receiving areas, and each receiving area forms an output direction with the transmitting antenna array, and the transmitting antenna array shapes a radio frequency beam in the output direction. Thus, each radio frequency beam shaped by the transmitting antenna array is output in its respective output direction and to the corresponding receiving area in the receiving antenna array. Thus, by accurately positioning the antenna positions of the receiving antennas in the receiving antenna array, the radio frequency beams shaped by the transmitting antenna array are finely covered on the receiving antennas in the receiving antenna array, avoiding the air drop of the radio frequency beams and avoiding energy waste.

[0067] For example, as shown in Figure 4As shown in the middle, the wireless charger controls the transmitting antenna array to form corresponding radio frequency beams in the output direction corresponding to each receiving area of the receiving antenna array according to the antenna positions of the receiving antennas in the receiving antenna array of the mobile phone, and each radio frequency beam is output to the corresponding receiving area of the receiving antenna array of the mobile phone, so that the wireless charging in the air can be realized on the mobile phone.

[0068] It should be noted that the positioning beam output by the transmitting antenna array in the embodiment is different from the radio frequency beam formed by the transmitting antenna array: first, the radio frequency beam formed by the transmitting antenna array is mainly used for wireless charging in the air for the energy receiving device, and the positioning beam is mainly used for positioning the position information of the receiving antenna array, so the beam power of the positioning beam can be less than the beam power of the radio frequency beam, so that a lower energy beam is used to realize the positioning of the position information of the receiving antenna array, thereby achieving the purpose of further reducing energy consumption; second, the radio frequency beam formed by the transmitting antenna array is accurately output to the receiving antenna array, achieving the purpose of energy saving, and the coverage range is obviously smaller than that of the positioning beam, and the positioning beam output by the transmitting antenna array covers a larger range to accurately position the antenna positions of the receiving antennas in the receiving antenna array.

[0069] As can be seen from the above technical solution, in the wireless radio frequency charging method and electronic device disclosed in the present application, after obtaining the position information of the energy receiving device located in the spatial range, based on the position information, a plurality of radio frequency beams are formed in a plurality of output directions by controlling the transmitting antenna array, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device, and at this time the output direction of each radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device. It can be seen that in the present application, the radio frequency beams with corresponding output directions are formed in the different areas corresponding to the receiving antenna array, so that the radio frequency beams formed by the transmitting antenna array can be output to the receiving antenna array, thereby accurately forming the radio frequency beams for the receiving antenna array, avoiding the case that the radio frequency beams are output to the area of the non-energy receiving device, thereby avoiding energy waste and achieving the purpose of improving energy utilization.

[0070] Specifically, in the embodiment, the position information of the energy receiving device located in the spatial range can be obtained by the following method:

[0071] In an implementation, the transmitting antenna array in the embodiment can control to output a positioning beam to a spatial range where the energy receiving device is located, the positioning beam is output to each corner in the spatial range with a specific scanning range and scanning power, thereby when the positioning beam is output to the energy receiving device, the energy receiving device can feed back to the positioning beam, thereby the positioning feedback information of the positioning beam can be received on the electronic device side, based on which, the position information of the receiving antenna array of the energy receiving device can be obtained on the electronic device according to the positioning feedback information of the positioning beam.

[0072] It should be noted that the transmitting antenna array can output the positioning beam to the spatial range where the energy receiving device is located in a manner of space division and / or time division. For example, the transmitting antenna array divides the spatial range where the energy receiving device is located into multiple sub-ranges, thereby the transmitting antenna array can output the positioning beam in each sub-range in turn or simultaneously according to the pre-divided time slots.

[0073] Specifically, the positioning feedback information of the positioning beam can be a positioning feedback beam reflected by the energy receiving device to the positioning beam or can be positioning feedback data transmitted by the energy receiving device to the positioning beam. For example, as shown in Figure 5 , the energy receiving device performs beam reflection to the positioning beam, and the reflected positioning feedback beam can be received on the electronic device. For another example, as shown in Figure 6 , the energy receiving device transmits the positioning feedback data to the electronic device through a data connection such as WiFi or Bluetooth between the energy receiving device and the electronic device, which contains the output direction of the positioning beam received by the energy receiving device and other information.

[0074] Based on this, in one case, if only the energy receiving device feeds back to the received positioning beam, thereby the electronic device can obtain the output direction of the positioning beam corresponding to the received positioning feedback information, as shown in Figure 7 , so that the position information of the receiving antenna array of the energy receiving device can be obtained on the electronic device according to the output direction in the positioning feedback information.

[0075] In another case, if each device in the spatial range feeds back to the received positioning beam, thereby the electronic device can analyze the received positioning feedback information, so as to extract the positioning feedback information corresponding to the energy receiving device, based on which, the output direction of the positioning beam corresponding to the analyzed positioning feedback information corresponding to the energy receiving device is obtained, as shown in Figure 8 , so that the position information of the receiving antenna array of the energy receiving device can be obtained on the electronic device according to the output direction in the positioning feedback information.

[0076] Further, in the embodiment, the array parameters of the receiving antenna array sent by the energy receiving device can be received in advance through the data connection established between the energy receiving device and the energy transmitting device, and the array parameters at least include the array shape and / or the array size of the receiving antenna array, etc. The array shape can be square or circular, and the array size refers to the length-width size or the diameter size of the receiving antenna array, etc. Based on this, in the embodiment, when the positioning beam is output by the transmitting antenna array to the spatial range, the positioning beam can be output according to the array parameters of the receiving antenna array, so that the output parameters of the positioning beam are related to the array parameters of the receiving antenna array. The output parameters of the positioning beam can include the beam cross-sectional shape and / or the beam cross-sectional size (which is the cross-sectional size formed when the positioning beam is output to a specific distance) of the positioning beam. Specifically, the output parameters of the positioning beam related to the array parameters of the receiving antenna array can be that the beam cross-sectional shape of the positioning beam matches the array shape of the receiving antenna, and / or the beam cross-sectional size of the positioning beam matches the array size of the receiving antenna array, such as shown in FIG. 17. Figure 9 In the embodiment, when the positioning beam is output, the positioning beam is output according to the array parameters of the receiving antenna array, so that the output range of the positioning beam can be reduced, thereby reducing the energy consumption of the transmitting antenna array.

[0077] Here, the output range can be the range of the beam cross section formed when the positioning beam is output to a specific distance.

[0078] For example, the wireless charger covers the transmitting positioning beam in the indoor space through the transmitting antenna array, and then the antenna positions of the receiving antennas in the receiving antenna array of the mobile phone are determined according to the positioning feedback information of the positioning beam, such as shown in FIG. 18. Figure 5 Or Figure 6 For example, the wireless charger covers the transmitting positioning beam in the indoor space through the transmitting antenna array, and then the antenna positions of the receiving antennas in the receiving antenna array of the mobile phone are determined according to the positioning feedback information of the positioning beam, such as shown in FIG. 18. Figure 10 In the embodiment, the wireless charger can output the corresponding positioning beam according to the array size and the array shape of the receiving antenna array through the transmitting antenna array, and then the antenna positions of the receiving antennas in the receiving antenna array of the mobile phone are determined according to the positioning feedback information of the positioning beam. At this time, the energy consumption of the wireless charger can be reduced by reducing the output range of the positioning beam.

[0079] In another implementation manner, in the embodiment, the device area of the energy receiving device in the spatial range can be obtained in advance, and then the positioning beam is output to the device area, and the positioning beam is output to the device area with a specific scanning range and scanning power, such as shown in FIG. 19. Figure 11As shown, the system covers the area where the energy receiving device is located without outputting a positioning beam to other areas. Therefore, when the positioning beam is output to the energy receiving device, the device can provide feedback. This allows the electronic device to receive positioning feedback information from the positioning beam. Based on this feedback, the electronic device can obtain the location information of the receiving antenna array of the energy receiving device. In this case, the electronic device can reduce the energy consumption of the transmitting antenna array by decreasing the output range of the positioning beam.

[0080] It should be noted that the transmitting antenna array can output positioning beams to the equipment area of ​​the energy receiving device in a space-division and / or time-division manner. For example, the transmitting antenna array divides the equipment area where the energy receiving device is located into multiple sub-regions, and thus, the transmitting antenna array can output positioning beams sequentially or simultaneously in each sub-region according to the pre-divided time slots.

[0081] In this embodiment, when determining the device area of ​​the energy receiving device within a spatial range, it can be achieved through image acquisition devices and / or Ultra Wide Band (UWB) positioning. Then, a positioning beam is output to the device area via a transmitting antenna array. Based on the positioning feedback information from the positioning beam, the position information of the receiving antenna array is obtained. For example, the wireless charger first uses connected dual cameras and / or a UWB locator to identify the area where the mobile phone is located indoors, such as... Figure 11 As shown in the diagram, the wireless charger then uses its transmitting antenna array to cover the area where the phone is located, thereby significantly reducing the output range of the positioning beam and thus reducing the energy consumption of the wireless charger.

[0082] In one implementation, step 102, when controlling the transmitting antenna array to form multiple radio frequency beams in multiple output directions based on location information, can be specifically achieved in the following way:

[0083] First, the electronic device divides the receiving antennas in the receiving antenna array into regions according to the antenna positions of the receiving antennas in the location information, so that the receiving antenna array is divided into multiple receiving regions; each receiving region forms a corresponding output direction with the transmitting antenna array.

[0084] For example, such as Figure 12 As shown, the wireless charger divides the 100*100 receiving antenna array in the mobile phone into 10*10 areas, thus obtaining 10 receiving areas, forming 100 output directions with the wireless charger.

[0085] Then, the control module controls the transmit antenna array to shape a corresponding radio frequency beam in each output direction, so that each radio frequency beam is transmitted to a corresponding receiving area in the receive antenna array, and based on this, the energy receiving device obtains the electric energy transmitted by the electronic device through the receiving antenna on each receiving area, thereby realizing the wireless charging in the air.

[0086] For example, as shown in FIG. 1, the wireless charger shapes a corresponding radio frequency beam in each output direction formed by 100 receiving areas, so that the wireless charger transmits a radio frequency beam to the mobile phone in 100 output directions, thereby realizing the wireless charging in the air for the mobile phone. Figure 12

[0087] It should be noted that the receive antenna array on the energy receiving device in the embodiment can have one or more, such as shown in FIG. 2, the mobile phone is provided with a 50*50 receive antenna array in the back area close to the earpiece and a 50*50 receive antenna array in the back area close to the microphone; such as shown in FIG. 3, the mobile phone is provided with a 100*100 receive antenna array in the back area close to the earpiece, and so on. Figure 13 Figure 14 In the embodiment, all the receive antenna arrays on the energy receiving device are divided into areas according to the preset area size, such as 10*10, so that the divided receiving areas can be adjacent or not adjacent.

[0088] In an implementation manner, after step 102, the method in the embodiment can further include the following steps, such as shown in FIG. 4: Figure 15

[0089] Step 103: Monitor whether a radio frequency beam is blocked, and if the radio frequency beam shaped in the first output direction is blocked, execute step 104.

[0090] Specifically, the monitoring whether a radio frequency beam is blocked in the embodiment refers to monitoring the output direction corresponding to the blocked radio frequency beam. It includes: monitoring whether a radio frequency beam is blocked at the current time, and / or monitoring whether a radio frequency beam is blocked at a future time relative to the current time. Therefore, if the radio frequency beam shaped in the first output direction is blocked at the current time, and / or if the radio frequency beam shaped in the first output direction is blocked at a target time in the future, step 104 is executed.

[0091] Step 104: Control the transmit antenna array to stop shaping the radio frequency beam in the first output direction.

[0092] ​​​In other words, for a blocked radio frequency beam, the beam will no longer be formed in that output direction, thus avoiding energy waste and preventing damage to the obstruction caused by the beam being output to it. Moreover, in this embodiment, the transmitting antenna array forms radio frequency beams in multiple output directions. Even if some radio frequency beams are blocked and stop outputting, it will not affect the receiving antenna array on the energy receiving device from receiving radio frequency beams in other output directions. Therefore, wireless charging will not be completely interrupted.

[0093] Specifically, when monitoring whether the radio frequency beam is blocked in step 103, it can be achieved through any one or more of the following methods:

[0094] In one implementation, monitoring whether an RF beam is blocked can be achieved by: first, obtaining the RF feedback information of the RF beam in each output direction, and then determining whether an RF beam is blocked based on the RF feedback information of the RF beam.

[0095] In practical implementation, the radio frequency (RF) feedback information of the RF beam can be the RF feedback beam after the RF beam encounters an obstruction. Based on this, a portion of the transmitting antennas on the electronic device's transmitting antenna array can also serve as receiving antennas to receive the RF feedback information of the RF beam in each output direction. Alternatively, the transmitting antennas on the electronic device can be time-division multiplexed, serving as receiving antennas in specific time slots to receive the RF feedback information. After receiving the RF feedback information of the RF beam in each output direction, the electronic device can analyze this feedback information to determine the output direction corresponding to the obstructed RF beam.

[0096] For example, such as Figure 16 As shown, after the wireless charger controls the transmitting antenna array to form corresponding radio frequency beams in the output direction corresponding to each receiving area of ​​the receiving antenna array in the mobile phone, it uses the receiving function of the transmitting antenna array to continuously monitor whether there is a radio frequency feedback beam reflected by an obstruction. Then, after detecting a radio frequency feedback beam, it determines the output direction corresponding to the radio frequency beam blocked by the obstruction.

[0097] In another implementation, monitoring whether the radio frequency beam is blocked can be achieved by: first, receiving the first blockage monitoring result from the energy receiving device, and then determining whether the radio frequency beam is blocked based on the first blockage monitoring result.

[0098] The first obstruction monitoring result is generated by the energy receiving device based on the monitored beam power parameters. That is, while receiving energy transmitted by the radio frequency (RF) beam through the receiving antenna array, the energy receiving device monitors the beam power parameters of the received RF beam and generates a first obstruction monitoring result based on the comparison between the current beam power of each RF beam and a power threshold. This result indicates whether the current beam power of the RF beam has decreased. Specifically, if the current beam power of the RF beam is less than or equal to the threshold, it indicates that the corresponding RF beam may be obstructed; if the current beam power is greater than the threshold, it indicates that the corresponding RF beam is not obstructed. Based on this, the energy receiving device can continuously send the real-time generated first obstruction monitoring result to the electronic device via a data connection. The electronic device continuously receives the first obstruction monitoring result sent by the energy receiving device, thereby continuously monitoring whether the RF beam is obstructed.

[0099] For example, such as Figure 17 As shown, after the wireless charger controls the transmitting antenna array to form corresponding radio frequency beams in the output direction corresponding to each receiving area of ​​the receiving antenna array in the mobile phone, the mobile phone monitors the current beam power of the received radio frequency beam in real time and generates a corresponding first occlusion monitoring result. The first occlusion monitoring result includes a comparison result between the current beam power of the radio frequency beam in each output direction and a power threshold, to characterize whether the current beam power of the radio frequency beam has decreased. Based on this, the mobile phone transmits the generated first occlusion monitoring result to the wireless charger in real time via Bluetooth connection. The wireless charger can then determine the output direction corresponding to the radio frequency beam blocked by the obstruction based on the first occlusion monitoring result.

[0100] In another implementation, monitoring whether the radio frequency beam is blocked can be achieved by receiving a second blocking monitoring result from the energy receiving device and determining whether the radio frequency beam is blocked based on the second blocking monitoring result.

[0101] The second obstruction monitoring result is generated by the energy receiving device based on the monitored beam sensing parameters. Specifically, the energy receiving device configures a beam sensor at a corresponding position on the receiving antenna array. The beam sensing parameters collected by the beam sensor can characterize whether a radio frequency (RF) beam is received in each receiving area. Based on this, the energy receiving device generates the second obstruction monitoring result. For example, if the beam sensing parameters indicate that an RF beam has been detected, the second obstruction monitoring result indicates that the RF beam in that output direction is not obstructed; if the beam sensing parameters indicate that no RF beam has been detected, the second obstruction monitoring result indicates that the RF beam in that output direction is obstructed. Based on this, the energy receiving device can continuously send the real-time generated second obstruction monitoring result to the electronic device via a data connection. The electronic device continuously receives the second obstruction monitoring result sent by the energy receiving device, thereby continuously monitoring whether the RF beam is obstructed.

[0102] For example, such as Figure 18 As shown, the phone has a beam sensor positioned on its back corresponding to the receiving antenna array to collect beam sensing parameters. After the wireless charger controls the transmitting antenna array to form corresponding radio frequency beams in the output direction corresponding to each receiving area of ​​the receiving antenna array in the phone, the phone obtains the beam sensing parameters collected by the beam sensor in real time and generates a corresponding first obstruction monitoring result. The second obstruction monitoring result includes a flag indicating whether a radio frequency beam has been sensed or not in each output direction. Based on this, the phone transmits the generated second obstruction monitoring result to the wireless charger in real time via Bluetooth. The wireless charger can then determine the output direction corresponding to the radio frequency beam obstructed by the obstruction based on the second obstruction monitoring result.

[0103] In another implementation, monitoring whether the radio frequency beam is blocked can be achieved by determining whether the radio frequency beam is blocked at a target time, based at least on the device attitude information and motion state information of the energy receiving device, wherein the target time is a future time relative to the current time.

[0104] The device attitude information refers to the current attitude of the energy receiving device, which can be identified by pose data in six degrees of freedom, such as the coordinate data of X, Y, and Z and the rotation vectors of RX, RY, and RZ. For example, the landscape or portrait orientation of a mobile phone relative to the ground plane. The running state information refers to the movement state information of the energy receiving device, including its current coordinates, direction of movement, and speed of movement. In other words, because the movement of the energy receiving device causes certain radio frequency beams in certain output directions to not be output to the corresponding receiving area of ​​the receiving antenna array, it is equivalent to these radio frequency beams being blocked. Therefore, in this embodiment, the current device attitude information and motion state information of the energy receiving device are used to predict the location of the energy receiving device. Based on the predicted location of the energy receiving device at the target time, it is analyzed whether any radio frequency beams have not been successfully output to the energy receiving device, and the output direction corresponding to the blocked radio frequency beams at the target time is obtained accordingly. Based on this, in this embodiment, if it is predicted that the radio frequency beam formed in the first output direction will be blocked at the target time, step 104 can specifically be: controlling the transmitting antenna array to stop forming the radio frequency beam in the first output direction at the target time.

[0105] For example, such as Figure 19 As shown, after the wireless charger controls the transmitting antenna array to form corresponding radio frequency beams in the output direction corresponding to each receiving area of ​​the receiving antenna array in the mobile phone, if the mobile phone moves while the wireless charger is fixed, part of the radio frequency beam output by the wireless charger may not be output to the receiving antenna of the mobile phone. At this time, the wireless charger predicts the radio frequency beam that may not be successfully output to the receiving antenna of the mobile phone in the future by predicting the movement trajectory of the mobile phone. This is equivalent to the blocked radio frequency beam. Thus, the wireless charger can determine the output direction corresponding to the blocked radio frequency beam that cannot be output to the receiving antenna of the mobile phone based on the prediction result.

[0106] In another implementation, monitoring whether a radio frequency beam is blocked can be achieved by determining whether a radio frequency beam is blocked by the moving object at a target time, based at least on the object's posture information and motion state information within the spatial range.

[0107] The object posture information refers to a current device posture of a mobile object such as a person or an object, and can be identified by pose data in six degrees of freedom, such as coordinate data of X, Y, and Z and a rotation vector of RX, RY, and RZ. For example, the posture of a child in a room or the posture of a user's finger relative to a mobile phone. The motion state information refers to state information of the motion of the mobile object, including current coordinates, a moving direction, and a moving speed of the mobile object. That is, because the movement of the mobile object causes some radio frequency beams in the output direction to be blocked by the mobile object and not output to the corresponding receiving area of the receiving antenna array, in this embodiment, the position of the mobile object is predicted according to the current object posture information and the motion state information of the mobile object, and whether a radio frequency beam is blocked by the mobile object, that is, the position of the mobile object in the output direction of the radio frequency beam, is analyzed according to the predicted position of the mobile object at the target time, and the output direction corresponding to the radio frequency beam blocked at the target time is obtained. Based on this, in the case where it is predicted that the radio frequency beam formed in the first output direction is blocked at the target time, in step 104, the transmitting antenna array can be controlled to stop forming the radio frequency beam in the first output direction at the target time.

[0108] For example, as shown in FIG. 1, the wireless charger controls the transmitting antenna array to form a corresponding radio frequency beam in the output direction corresponding to each receiving area of the receiving antenna array in the mobile phone, and then the wireless charger and the mobile phone are fixed. If a child moves in the room or a user's finger slides between the mobile phone and the wireless charger, the radio frequency beam output by the wireless charger may be partially blocked and cannot be output to the receiving antenna of the mobile phone. At this time, the wireless charger predicts the moving track of the child or the finger to predict the radio frequency beam that cannot be successfully output to the receiving antenna of the mobile phone at a future time, that is, the blocked radio frequency beam. Therefore, the wireless charger can determine the output direction corresponding to the radio frequency beam that cannot be blocked according to the prediction result. Figure 20

[0109] Based on the above implementations, in the electronic device, the transmitting antenna array can be composed of a plurality of transmitting antennas. In a specific implementation, the transmitting antenna array can form a plurality of radio frequency beams in any one or any combination of the following ways:

[0110] In one implementation, the transmitting antenna array can form a plurality of radio frequency beams by using space division for the transmitting antennas to achieve wireless charging of the energy receiving device in the air. Specifically, the transmitting antenna array can be divided into a plurality of antenna groups, and each antenna group includes one or more transmitting antennas, such as Figure 21 ​As shown in FIG. 1, one antenna group corresponds to one output direction; based on this, each antenna group is respectively used to shape a corresponding radio frequency beam in its corresponding output direction, thereby, each antenna group in the transmitting antenna array respectively outputs a radio frequency beam for the corresponding receiving area in the receiving antenna array to achieve the wireless charging in the air for the energy receiving device.

[0111] In a specific implementation, the number of antennas and / or the antenna performance parameter in the antenna group is determined based on the number of antennas and / or the antenna performance parameter in the corresponding receiving area of the receiving antenna array. The antenna performance parameter can include air interface efficiency and / or conversion performance, etc. For example, if the number of antennas and the antenna performance parameter in the corresponding receiving area of the receiving antenna array are higher, the number of antennas and the antenna performance parameter in the corresponding antenna group of the transmitting antenna array are also higher.

[0112] For example, the transmitting antenna array of the wireless charger is divided into multiple antenna groups, wherein the number of transmitting antennas in each antenna group is consistent with the number of receiving antennas in the corresponding receiving area of the mobile phone receiving antenna array, which is 5*5 antenna number, and the transmitting performance of the transmitting antennas in the antenna group is also matched with the receiving performance of the receiving antennas in the corresponding receiving area of the mobile phone receiving antenna array.

[0113] Based on this, in step 104, when the transmitting antenna array is controlled to stop shaping the radio frequency beam in the first output direction, specifically, the antenna group corresponding to the first output direction can be controlled to stop shaping the corresponding radio frequency beam in the first output direction, as shown in FIG. 1. Figure 22

[0114] Further, after the antenna group corresponding to the first output direction is controlled to stop shaping the corresponding radio frequency beam in the first output direction in step 104 in the embodiment, the method can further include the following steps, as shown in FIG. 1. Figure 23

[0115] Step 105: controlling the antenna group corresponding to the first output direction to shape the corresponding radio frequency beam in the second output direction, so that the radio frequency beam corresponding to the second output direction is transmitted to the corresponding area in the receiving antenna array.

[0116] As shown in FIG. 1. Figure 24 ​​As shown in the second output direction is a new output direction between the receiving antenna array reselected for the antenna group corresponding to the first output direction and the antenna group, thereby, there are at least two antenna groups corresponding to the receiving area corresponding to the second output direction, that is, the antenna group originally corresponding to the receiving area and the antenna group corresponding to the original first output direction, thereby, after the electronic device controls the antenna group corresponding to the first output direction to stop forming the corresponding radio frequency beam in the first output direction, in order to avoid the case that the charging efficiency is reduced due to the idle of the antenna group, the antenna group corresponding to the first output direction can be controlled to form the corresponding radio frequency beam in the second output direction, thereby, even if the radio frequency beam on the receiving area is blocked on the energy receiving device, the number of received radio frequency beams will not be reduced, so as to avoid the case that the charging efficiency is reduced.

[0117] In another implementation, the transmitting antenna array can form multiple radio frequency beams by time division of the transmitting antennas to achieve wireless charging of the energy receiving device in the air. Specifically, the transmitting antenna matrix can be divided into multiple transmitting time slots, one transmitting time slot corresponding to one output direction, each output direction corresponding to a receiving area in the receiving antenna array, and thus each transmitting time slot corresponding to a receiving area in the receiving antenna array, and the time slot order between the transmitting time slots makes the receiving areas have an area order, such as Figure 25 As shown in the transmitting antenna array is used to form the corresponding radio frequency beam in the corresponding output direction according to the time slot order between the transmitting time slots. For example, the transmitting antenna array forms the corresponding radio frequency beam for each receiving area in the corresponding output direction according to the area order between the receiving areas to achieve wireless charging of the energy receiving device in the air.

[0118] In a specific implementation, the time slot length of the transmitting time slot is matched with the number of antennas and / or antenna performance parameters in the corresponding receiving area. For example, if the number of antennas and the antenna performance parameters in the corresponding receiving area in the receiving antenna array are higher, the corresponding transmitting time slot is longer.

[0119] Based on this, in step 104, when the transmitting antenna array is controlled to stop forming the radio frequency beam in the first output direction, specifically, the transmitting antenna array can be controlled to stop forming the radio frequency beam in the first output direction in the first time slot, where the first time slot is the time slot in which the radio frequency beam corresponding to the first output direction is blocked, as shown in Figure 26 .

[0120] Further, after the transmitting antenna array is controlled to stop forming the radio frequency beam in the first output direction in the first time slot in step 104 in the embodiment, the method can further include the following steps, such as Figure 27 as shown in

[0121] Step 106: control the transmitting antenna array to shape a corresponding radio frequency beam in a third output direction on the first time slot, so that the corresponding radio frequency beam in the third output direction on the first time slot is transmitted to the corresponding area in the receiving antenna array.

[0122] As shown in Figure 28 , the third output direction can be an output direction between a receiving area corresponding to another transmitting time slot and the transmitting antenna array, such as an output direction between a receiving area corresponding to a previous time slot or a next time slot of the first time slot and the transmitting antenna array. Thus, after the electronic device controls the transmitting antenna array to stop shaping the radio frequency beam in the first output direction on the first time slot, in order to avoid the case that the charging efficiency is reduced due to the idle of the transmitting antenna array on the first time slot, the electronic device can control the transmitting antenna array to shape a corresponding radio frequency beam in a third output direction on the first time slot, so that even if the radio frequency beam on the receiving area is blocked on the first time slot, the radio frequency beam output by the transmitting antenna array can be received by the other receiving area on the first time slot, so that the number of received radio frequency beams on the energy receiving device does not decrease, thereby avoiding the case that the charging efficiency is reduced.

[0123] In another implementation manner, the transmitting antenna array can shape multiple radio frequency beams by adopting space division and time division for the transmitting antennas, to realize the wireless charging in the air for the energy receiving device. Specifically, the transmitting antenna array can be divided into multiple antenna groups, each antenna group containing one or more transmitting antennas, and each antenna group can be divided into multiple transmitting time slots, one antenna group corresponding to one output direction on one transmitting time slot, and each output direction corresponding to one receiving area in the receiving antenna array, so that each transmitting time slot corresponds to one or more receiving areas in the receiving antenna array, and the time slot order between the transmitting time slots of each antenna group makes the receiving areas corresponding to each antenna group have a region order, such as Figure 29 As shown in , the antenna groups in the transmitting antenna array are used to shape corresponding radio frequency beams in the corresponding output directions according to the time slot order between the transmitting time slots. For example, each antenna group in the transmitting antenna array shapes a corresponding radio frequency beam for each receiving area in the corresponding output direction according to the region order between the receiving areas, to realize the wireless charging in the air for the energy receiving device.

[0124] Figure 30 Based on this, when the transmitting antenna array is controlled to stop shaping the radio frequency beam in the first output direction in step 104, specifically, the antenna group corresponding to the first output direction can be controlled to stop shaping a corresponding radio frequency beam in the first output direction on the first time slot, as shown in

[0125] Further, after the step 104 of controlling the antenna group corresponding to the first output direction to stop forming the corresponding radio frequency beam in the first output direction in the first time slot, the embodiment can further include the following steps, such as Figure 31 As shown in the following:

[0126] Step 107: controlling the antenna group corresponding to the first output direction to form a corresponding radio frequency beam in a fourth output direction in the first time slot, so that the radio frequency beam corresponding to the fourth output direction is transmitted to the corresponding area in the receiving antenna array.

[0127] As shown in the following: Figure 32 The fourth output direction can be an output direction between the receiving area corresponding to other transmission time slots and the transmission antenna array of the antenna group corresponding to the first output direction, such as an output direction between the receiving area corresponding to the previous time slot or the next time slot of the first time slot and the transmission antenna array of the antenna group corresponding to the first output direction. Therefore, after the electronic device controls the antenna group corresponding to the first output direction to stop forming the radio frequency beam in the first output direction in the first time slot, in order to avoid the case that the charging efficiency is reduced due to the idle of the antenna group corresponding to the first output direction in the first time slot, the electronic device can control the antenna group corresponding to the first output direction to form a corresponding radio frequency beam in a fourth output direction in the first time slot. Therefore, even if the radio frequency beam on the receiving area is blocked in the first time slot on the energy receiving device, the radio frequency beam output by the antenna group corresponding to the first output direction can be received by other receiving areas in the first time slot, so that the number of received radio frequency beams on the energy receiving device does not decrease, thereby avoiding the case that the charging efficiency is reduced.

[0128] Reference Figure 33 A structure diagram of a wireless radio frequency charging device provided by the second embodiment of the present application is provided. The device can be configured in an electronic device with a transmission antenna array to form a radio frequency beam for charging an energy receiving device. For example, the electronic device in the embodiment can be a wireless charger and the like, and the energy receiving device can be a device that needs to be charged wirelessly, such as a mobile phone, a pad, or a car. The technical solution in the embodiment is mainly used to improve the energy utilization rate.

[0129] Specifically, the device in the embodiment can include the following units:

[0130] The position obtaining unit 3301 is configured to obtain position information of the energy receiving device located in a space range;

[0131] The transmission control unit 3302 is configured to control the transmission antenna array to form a plurality of radio frequency beams in a plurality of output directions based on the position information, so that the plurality of radio frequency beams wirelessly charge the energy receiving device.

[0132] The output direction of each of the radio frequency beams corresponds to a different area of a receiving antenna array of the energy receiving device.

[0133] From the above technical solution, it can be seen that in the wireless radio frequency charging device provided by Embodiment Two of the present application, after obtaining the position information of the energy receiving device within the spatial range, based on the position information, a plurality of radio frequency beams are formed in multiple output directions by controlling the transmitting antenna array, so that the plurality of radio frequency beams perform wireless charging on the energy receiving device in the air, and at this time, the output direction of each radio frequency beam corresponds to a different area of the receiving antenna array of the energy receiving device. It can be seen that in the present application, the radio frequency beams with corresponding output directions are formed on the different areas corresponding to the receiving antenna array, so that the radio frequency beams formed by the transmitting antenna array can be output to the receiving antenna array, thereby precisely forming the radio frequency beams for the receiving antenna array, avoiding the situation that the radio frequency beams are output to the area of the non-energy receiving device, thereby avoiding energy waste and achieving the purpose of improving energy utilization. In addition, the transmitting antenna array can dynamically adjust the formation of the plurality of radio frequency beams in multiple output directions according to the shielding condition, can stop the transmission of the radio frequency beams in the output direction with shielding to prevent the influence on the shielding object (for example, the user), and can form new radio frequency beams to transmit energy in other areas of the antenna array of the energy receiving device, so as to ensure that the energy received by the energy receiving device is consistent or similar and is not affected by the shielding object.

[0134] In an implementation manner, the position obtaining unit 3301 is specifically configured to: output a positioning beam to a spatial range in which the energy receiving device is located, and obtain position information of a receiving antenna array of the energy receiving device according to positioning feedback information of the positioning beam; or, obtain a device area of the energy receiving device in the spatial range, output a positioning beam to the device area, and obtain position information of a receiving antenna array of the energy receiving device according to positioning feedback information of the positioning beam; wherein, an output parameter of the positioning beam is related to array parameters of the receiving antenna array, the array parameters at least include an array shape and / or an array size of the receiving antenna array, and the array parameters are received through a data connection established between the energy receiving device.

[0135] In an implementation, the transmission control unit 3302 is specifically configured to: divide the receiving antennas included in the receiving antenna array into receiving areas according to the antenna positions of the receiving antennas included in the receiving antenna array in the position information, so that the receiving antenna array is divided into a plurality of receiving areas; each of the receiving areas forms a corresponding output direction with the transmitting antenna array; and control the transmitting antenna array to form corresponding radio frequency beams in the output directions, so that each of the radio frequency beams is transmitted to the corresponding receiving area in the receiving antenna array.

[0136] In an implementation, the transmission control unit 3302 is further configured to: monitor whether a radio frequency beam is blocked; and control the transmitting antenna array to stop forming a radio frequency beam in a first output direction in a case that a radio frequency beam formed in the first output direction is blocked.

[0137] Optionally, the transmission control unit 3302 monitors whether a radio frequency beam is blocked, including any one or any combination of the following: obtaining radio frequency feedback information of the radio frequency beam in each of the output directions, and determining whether a radio frequency beam is blocked according to the radio frequency feedback information of the radio frequency beam; receiving a first blocking monitoring result of the energy receiving device, and determining whether a radio frequency beam is blocked according to the first blocking monitoring result, the first blocking monitoring result being generated by the energy receiving device according to a monitored beam power parameter; receiving a second blocking monitoring result of the energy receiving device, and determining whether a radio frequency beam is blocked according to the second blocking monitoring result, the second blocking monitoring result being generated by the energy receiving device according to a monitored beam sensing parameter; and determining whether a radio frequency beam is blocked at a target time according to at least device posture information and motion state information of the energy receiving device, the target time being a future time relative to a current time; and determining whether a radio frequency beam is blocked by a moving object in the target time according to at least object posture information and motion state information of the moving object within the spatial range.

[0138] In an implementation, the transmitting antenna array includes a plurality of antenna groups, each of the antenna groups including one or more transmitting antennas, and each of the antenna groups corresponding to one of the output directions; and the antenna groups are configured to form corresponding radio frequency beams in the corresponding output directions.

[0139] In an implementation, the transmission control unit 3302 is specifically configured to: control an antenna group corresponding to the first output direction to stop forming a corresponding radio frequency beam in the first output direction when the transmission control unit 3302 controls the transmitting antenna array to stop forming a radio frequency beam in the first output direction.

[0140] Further, the transmission control unit 3302 is further configured to, after controlling the antenna group corresponding to the first output direction to stop forming the corresponding radio frequency beam in the first output direction, control the antenna group corresponding to the first output direction to form a corresponding radio frequency beam in a second output direction, so that the radio frequency beam corresponding to the second output direction is transmitted to the corresponding area in the receiving antenna array.

[0141] In an implementation manner, the transmitting antenna array has a plurality of transmitting time slots, one of the transmitting time slots corresponds to one of the output directions, and the transmitting antenna array is configured to form a corresponding radio frequency beam in the corresponding output direction according to a time slot order between the transmitting time slots.

[0142] The transmission control unit 3302 is configured to, when controlling the transmitting antenna array to stop forming the radio frequency beam in the first output direction, specifically control the transmitting antenna array to stop forming the radio frequency beam in the first output direction in a first time slot, the first time slot being a time slot in which the corresponding radio frequency beam in the first output direction is blocked.

[0143] Further, the transmission control unit 3302 is further configured to, after controlling the transmitting antenna array to stop forming the radio frequency beam in the first output direction in the first time slot, control the transmitting antenna array to form a corresponding radio frequency beam in a third output direction in the first time slot, so that the radio frequency beam corresponding to the third output direction in the first time slot is transmitted to the corresponding area in the receiving antenna array.

[0144] It should be noted that the specific implementation of each unit in this embodiment can refer to the corresponding content in the foregoing, which will not be described in detail here.

[0145] Reference Figure 34 An electronic device structure schematic diagram is provided in this embodiment, which can be an electronic device having a transmitting antenna array to form a radio frequency beam to charge an energy receiving device. For example, the electronic device in this embodiment can be a wireless charger and the like, and the energy receiving device can be a device that needs to be charged wirelessly, such as a mobile phone, a pad, or a car. The technical solution in this embodiment is mainly used to improve energy utilization.

[0146] Specifically, the electronic device in this embodiment can include the following structure:

[0147] The transmitting antenna array 3401 is configured to form a radio frequency beam.

[0148] The processor 3402 is configured to obtain position information of the energy receiving device in a spatial range, and control the transmit antenna array to form a plurality of radio frequency beams in a plurality of output directions based on the position information, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device. Each output direction of the radio frequency beam corresponds to a different area of the receive antenna array of the energy receiving device.

[0149] Of course, the electronic device can also include other components, such as a touch screen, a loudspeaker, etc.

[0150] From the above technical solution, it can be seen that in the electronic device provided by the embodiment three of the present application, after obtaining the position information of the energy receiving device in the spatial range, based on the position information, the transmit antenna array is controlled to form a plurality of radio frequency beams in a plurality of output directions, so that the plurality of radio frequency beams perform wireless charging in the air for the energy receiving device. At this time, each output direction of the radio frequency beam corresponds to a different area of the receive antenna array of the energy receiving device. It can be seen that by forming the radio frequency beam with the corresponding output direction on the different area corresponding to the receive antenna array, the radio frequency beam formed by the transmit antenna array can be output to the receive antenna array. Therefore, the radio frequency beam is accurately formed for the receive antenna array, avoiding the case that the radio frequency beam is output to the area of the non-energy receiving device, thereby avoiding energy waste and achieving the purpose of improving energy utilization.

[0151] In addition, the transmit antenna array can also dynamically adjust the plurality of radio frequency beams formed in the plurality of output directions according to the shielding condition. The transmission of the radio frequency beam in the output direction with shielding can be stopped to prevent the influence on the shielding object (for example, the user). New radio frequency beams can also be beamformed in other areas of the antenna array of the energy receiving device to transmit energy, so that the energy received by the energy receiving device is consistent or similar and is not affected by the shielding object.

[0152] Taking the wireless charging in the air of the mobile phone as an example, the technical solution of the present application is described in detail as follows:

[0153] Firstly, in view of the transmission angle limitation of the radio frequency beam of the transmit antenna in the current wireless charger, a plurality of beams are used on the transmit antenna in the present application to realize fine position coverage of the receive antenna on the mobile phone. Specifically as follows:

[0154] In one implementation scheme, the transmit antenna in the transmit antenna array of the wireless charger can simultaneously transmit a plurality of radio frequency beams. Meanwhile, the transmit antenna array is divided into a plurality of transmit areas, i.e. the antenna groups in the foregoing, and the transmit antenna in each transmit area can form a group of radio frequency beams for the receive area in the receive antenna array of the mobile phone. The radio frequency beams formed by each transmit area can cover the corresponding receive area in the receive antenna array.

[0155] Based on this, when a certain receiving area is blocked, and the receiving antennas of other receiving areas can normally receive energy, the transmitting antennas in the transmitting area switch to other receiving areas to transmit radio frequency beams.

[0156] When the mobile phone moves or changes the orientation, part of the radio frequency beams cannot be transmitted to the receiving area, and the failed radio frequency beams can be reshaped and transmitted to other receiving areas, while the original effective radio frequency beams still maintain transmission, thereby achieving the purpose of alternating without interruption and ensuring charging efficiency.

[0157] In another implementation scheme, the transmitting antenna array can time-division transmit multiple radio frequency beams. Based on this, the transmitting energy of the transmitting antenna array can be time-division multiplexed, and the charging time is divided into multiple time slots; a group of radio frequency beams can be formed corresponding to each time slot, thereby forming multiple radio frequency beams, and multiple groups of radio frequency beams correspond to multiple receiving areas. In each time slot, at least one group of radio frequency beams is output to the corresponding receiving area, and each radio frequency beam is transmitted to the receiving antenna in the corresponding receiving area, realizing wireless charging in space. When the receiving antenna of a certain receiving area is covered, the radio frequency beams of other time slots can still normally transmit energy and are not affected, and the radio frequency beams can be transmitted to other receiving areas in the time slot corresponding to the covered receiving area, thereby ensuring uninterrupted charging without waste.

[0158] When the mobile phone moves or changes the orientation, part of the radio frequency beams cannot be transmitted to the receiving area, and the failed radio frequency beams can be reshaped and transmitted to other receiving areas in the current time slot, while the original effective radio frequency beams still maintain transmission, thereby achieving the purpose of alternating without interruption and ensuring charging efficiency.

[0159] In summary, after adopting the technical scheme of the present application, each radio frequency beam transmitted by the transmitting antenna can correspond to a respective receiving area, and the energy ultimately received by the mobile phone is the sum of the energy received by all receiving areas. Moreover, when the radio frequency beam cannot be received due to the obstruction on the receiving antenna, the energy reception of other receiving areas can not be affected, thereby ensuring uninterrupted charging, and further, the blocked radio frequency beam is switched to output to another receiving area, thereby ensuring charging efficiency. In addition, the number and working mode of the radio frequency beam can be freely adjusted according to the demand in the present application, such as time-division or space-division mode.

[0160] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0161] Those skilled in the art will further appreciate that the units and algorithms described in connection with the examples disclosed herein can be embodied directly in hardware, in software, or in a combination of the two. For the sake of brevity, descriptions of a method or an algorithm described in the foregoing disclosure will not be repeated in detail here. To the extent necessary, the foregoing descriptions are deemed a part of the disclosure. For the sake of brevity, much of the foregoing disclosure is presented in terms of exemplary features. After considering this discussion, those skilled in the art will appreciate that alternative features and embodiments can be employed without departing from the true scope of the application.

[0162] The steps of a method or algorithm described in connection with the examples disclosed herein can be embodied directly in hardware, in software, or in a combination of the two. A software module can reside in Random Access Memory (RAM), non-volatile memory (e.g., flash memory), or in a register of a processor. The software module can also reside on a disk, a computer-readable medium, or in any other form of storage medium known in the art.

[0163] The above description of disclosed embodiments is intended to be illustrative and not restrictive. Many embodiments of the present application will be apparent to those of skill in the art upon reviewing the above description. The scope of the application should, therefore, be determined not with reference to the above description, but instead should be given with reference to the appended claims, along with their full scope of equivalents.

Claims

1. A wireless radio frequency charging method, comprising: Obtain the location information of the energy receiving device within a spatial range; Based on the location information, the transmitting antenna array is controlled to form multiple radio frequency beams in multiple output directions, so that the multiple radio frequency beams can wirelessly charge the energy receiving device. Wherein, the output direction of each radio frequency beam corresponds to a different region of the receiving antenna array of the energy receiving device, and each antenna group in the transmitting antenna array outputs a radio frequency beam for the corresponding receiving region in the receiving antenna array. Based on the location information, controlling the transmitting antenna array to form multiple radio frequency beams in multiple output directions includes: According to the antenna positions of the receiving antennas included in the receiving antenna array in the location information, the receiving antennas included in the receiving antenna array are divided into regions, so that the receiving antenna array is divided into multiple receiving regions; each receiving region forms a corresponding output direction with the transmitting antenna array; The transmitting antenna array is controlled to form corresponding radio frequency beams in the output direction, so that each radio frequency beam is transmitted to the corresponding receiving area in the receiving antenna array; When some radio frequency beams are blocked and stop outputting, the receiving antenna array on the energy receiving device is not affected in receiving radio frequency beams in other output directions, and wireless charging is not completely interrupted.

2. The method according to claim 1, wherein obtaining the location information of the energy receiving device within a spatial range includes: A positioning beam is output to the spatial range where the energy receiving device is located, and the position information of the receiving antenna array of the energy receiving device is obtained based on the positioning feedback information of the positioning beam. or, The device area of ​​the energy receiving device within the spatial range is obtained, a positioning beam is output to the device area, and the position information of the receiving antenna array of the energy receiving device is obtained based on the positioning feedback information of the positioning beam. The output parameters of the positioning beam are related to the array parameters of the receiving antenna array. The array parameters include at least the array shape and / or array size of the receiving antenna array. The array parameters are received through a data connection established with the energy receiving device.

3. The method according to claim 1 or 2, further comprising: Monitor for any obstruction of the radio frequency beam; When the radio frequency beam formed in the first output direction is blocked, the transmitting antenna array is controlled to stop forming the radio frequency beam in the first output direction.

4. The method according to claim 3, wherein monitoring for radio frequency beam obstruction includes any one or more of the following: Obtain radio frequency feedback information of radio frequency beams in each output direction, and determine whether any radio frequency beams are blocked based on the radio frequency feedback information of the radio frequency beams; The device receives a first obstruction monitoring result from the energy receiving device and determines whether a radio frequency beam is obstructed based on the first obstruction monitoring result. The first obstruction monitoring result is generated by the energy receiving device based on the monitored beam power parameters. The second obstruction monitoring result of the energy receiving device is received, and based on the second obstruction monitoring result, it is determined whether the radio frequency beam is blocked. The second obstruction monitoring result is generated by the energy receiving device based on the monitored beam sensing parameters. Based at least on the device attitude information and motion state information of the energy receiving device, it is determined whether the radio frequency beam is blocked at the target time, where the target time is a future time relative to the current time; Based at least on the object posture information and motion state information of the moving object within the said spatial range, it is determined whether the radio frequency beam is blocked by the moving object at the target time.

5. The method according to claim 3, wherein the transmitting antenna array comprises a plurality of antenna groups, each antenna group comprising one or more transmitting antennas, and one antenna group corresponds to one output direction; the antenna group is used to form a corresponding radio frequency beam in its corresponding output direction; in, Controlling the transmitting antenna array to stop forming a radio frequency beam in the first output direction includes: Control the antenna group corresponding to the first output direction to stop forming the corresponding radio frequency beam in the first output direction.

6. The method according to claim 5, after controlling the antenna group corresponding to the first output direction to stop forming a corresponding radio frequency beam in the first output direction, the method further includes: The antenna group corresponding to the first output direction is controlled to form a corresponding radio frequency beam in the second output direction, so that the radio frequency beam corresponding to the second output direction is transmitted to the corresponding area in the receiving antenna array.

7. The method according to claim 3, wherein the transmitting antenna array has a plurality of transmitting time slots; one transmitting time slot corresponds to one output direction, and the transmitting antenna array is used to form a corresponding radio frequency beam in its corresponding output direction according to the time slot order between the transmitting time slots; in, Controlling the transmitting antenna array to stop forming a radio frequency beam in the first output direction includes: The transmitting antenna array is controlled to stop forming a radio frequency beam in the first output direction in the first time slot, where the first time slot is the time slot in which the radio frequency beam in the first output direction is blocked.

8. The method of claim 7, further comprising, after controlling the transmitting antenna array to stop forming a radio frequency beam in the first output direction in the first time slot: The transmitting antenna array is controlled to form a corresponding radio frequency beam in the third output direction in the first time slot, so that the radio frequency beam corresponding to the third output direction in the first time slot is transmitted to the corresponding area in the receiving antenna array.

9. An electronic device, comprising: Transmitting antenna array, at least for shaping radio frequency beams; The processor is used to obtain location information of the energy receiving device within a spatial range. Based on the location information, the transmitting antenna array is controlled to form multiple radio frequency beams in multiple output directions, so that the multiple radio frequency beams can wirelessly charge the energy receiving device. Wherein, the output direction of each radio frequency beam corresponds to a different region of the receiving antenna array of the energy receiving device, and each antenna group in the transmitting antenna array outputs a radio frequency beam for the corresponding receiving region in the receiving antenna array. Based on the location information, controlling the transmitting antenna array to form multiple radio frequency beams in multiple output directions includes: According to the antenna positions of the receiving antennas included in the receiving antenna array in the location information, the receiving antennas included in the receiving antenna array are divided into regions, so that the receiving antenna array is divided into multiple receiving regions; each receiving region forms a corresponding output direction with the transmitting antenna array; The transmitting antenna array is controlled to form corresponding radio frequency beams in the output direction, so that each radio frequency beam is transmitted to the corresponding receiving area in the receiving antenna array; When some radio frequency beams are blocked and stop outputting, the receiving antenna array on the energy receiving device is not affected in receiving radio frequency beams in other output directions, and wireless charging is not completely interrupted.

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