CN209786880U - Long-distance wireless charging receiving equipment and system, electronic equipment - Google Patents

Abstract

The present disclosure relates to a long-distance wireless charging receiving device and system, and an electronic device. A long-distance wireless charging receiving device, including a power conversion circuit, a current detection circuit and a status prompt circuit; the power conversion circuit is used to generate a preset voltage based on the received AC signal radiated by the long-distance wireless charging transmitting device, as a power supply to the remote Power supply for components that need power supply in the wireless charging receiving device; current detection circuit, used to detect the output current of the power conversion circuit; status prompt circuit, used to turn on the indicator light of the corresponding color according to the output current of the power conversion circuit. In this embodiment, the volume of the long-distance wireless charging receiving device can be reduced, which is beneficial to the miniaturization and convenience of the long-distance wireless charging receiving device. Moreover, this embodiment can enable the user to know the working status of the long-distance wireless charging receiving device in time, which is beneficial to improving the user experience.

Description

Long-distance wireless charging receiving equipment and system, electronic equipment

technical field

The present disclosure relates to the technical field of long-distance wireless charging, and in particular to a long-distance wireless charging receiving device and system, and electronic equipment.

Background technique

At present, with the rapid development of the information age, the application of electronic products is becoming more and more extensive. Among them, portable electronic products bring great convenience to people. However, the power stored in electronic products is limited. Charging is usually carried out by directly connecting the data cable to the electronic product. However, it is inconvenient to carry the charging cable when traveling, so the long-distance wireless charging technology of electronic products has become the focus of research at home and abroad.

The existing transmitting device includes a transmitting coil, and the receiving device to be charged includes a receiving coil. Through the electromagnetic induction between the transmitting coil and the receiving coil, electric energy can be transmitted and stored in the battery of the receiving module. However, the receiving coil and the battery will occupy a large space, which is not conducive to the miniaturization and portability of the receiving module.

Contents of the invention

The disclosure provides a long-distance wireless charging receiving device, system, and electronic device to solve the deficiencies of related technologies.

According to the first aspect of the embodiments of the present disclosure, there is provided a long-distance wireless charging receiving device, including a power conversion circuit, a current detection circuit, and a status prompt circuit;

The power conversion circuit is used to generate a preset voltage based on the received AC signal radiated by the long-distance wireless charging transmitting device, and use it as a power supply to supply power to components in the long-distance wireless charging receiving device that need to be powered;

The current detection circuit is used to detect the output current of the power conversion circuit;

The state prompt circuit is used to turn on the indicator light of the corresponding color according to the output current of the power conversion circuit.

Optionally, the power conversion circuit includes a DCDC power module, and the remote wireless charging receiving device further includes a radio frequency antenna and a receiving module; wherein,

The radio frequency antenna is used to receive the AC signal radiated by the long-distance wireless charging transmitting device;

The receiving module is respectively connected with the radio frequency antenna and the power conversion circuit for converting the AC signal into a first DC voltage and outputting the first DC voltage to the power conversion circuit, so The power conversion circuit is used to convert the first DC voltage into a preset voltage.

Optionally, the power conversion circuit includes a bridge circuit, and the remote wireless charging receiving device further includes a radio frequency antenna; wherein,

The radio frequency antenna is used to receive the AC signal radiated by the long-distance wireless charging transmitting device;

The bridge circuit is connected with the radio frequency antenna and is used for converting the AC signal into a preset voltage.

Optionally, the long-distance wireless charging receiving device also includes a Bluetooth low power module that needs to be powered; Groups interact with each other.

Optionally, the remote wireless charging receiving device further includes a processing module that needs power supply, and the processing module is connected to the current detection circuit for obtaining the output current of the current detection circuit, and according to the The comparison result of the output current and the current threshold controls the display of indicator lights of different colors in the state prompt circuit.

Optionally, the processing module is used to control the display of indicator lights of different colors in the state prompt circuit according to the comparison result of the output current and the current threshold, including:

If the output current is less than the current threshold, the red indicator light in the state prompt circuit is controlled to display;

If the output current is greater than or equal to the current threshold, the blue indicator light in the state prompt circuit is controlled to display.

Optionally, the processing module device is used to control the display of indicator lights of different colors in the state prompt circuit according to the comparison result of the output current and the current threshold, including:

If the output current is greater than or equal to the current threshold and a control command to turn on the remote wireless charging receiving device is received, the green indicator light in the state prompt circuit is controlled to display.

According to the second aspect of the embodiments of the present disclosure, there is provided a long-distance wireless charging system, including the long-distance wireless charging receiving device and the long-distance wireless charging transmitting device described in the first aspect, and the long-distance wireless charging transmitting device is used for The AC signal is radiated, and the long-distance wireless charging receiving device is used to receive the AC signal and generate a preset voltage to supply power to components that need to be powered.

According to a third aspect of the embodiments of the present disclosure, an electronic device is provided, including a processor, a memory, and the long-distance wireless charging receiving device as described in the first aspect.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

It can be seen from the above embodiments that in the embodiments of the present disclosure, a power conversion circuit is provided in the long-distance wireless charging receiving device, and the power conversion circuit is used as a power supply to supply power to the components in the long-distance wireless charging receiving device, so that the long-distance wireless charging There is no need to configure a battery and a corresponding charging circuit in the receiving device, which can reduce the volume of the long-distance wireless charging receiving device, and is conducive to the miniaturization and convenience of the long-distance wireless charging receiving device. Moreover, in this embodiment, a current detection circuit and a status prompt circuit are set in the long-distance wireless charging receiving device, and the indicator lights of different colors in the status prompt circuit can be controlled to display by detecting the output current of the power conversion circuit, so that the user can know in time The working status of the long-distance wireless charging receiving device is conducive to improving the experience of using the long-distance wireless charging receiving device.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a block diagram of a long-distance wireless charging receiving device according to an exemplary embodiment;

Fig. 2 is a block diagram of another long-distance wireless charging receiving device according to an exemplary embodiment;

Fig. 3 is a block diagram of another remote wireless charging receiving device according to an exemplary embodiment;

Fig. 4 is an effect diagram of a status prompt circuit shown according to an exemplary embodiment;

Fig. 5 is a block diagram of another remote wireless charging receiving device according to an exemplary embodiment;

Fig. 6 is a block diagram of another remote wireless charging receiving device according to an exemplary embodiment;

Fig. 7 is an application scene diagram showing a long-distance wireless charging transmitting device and a long-distance wireless charging receiving device performing long-distance wireless charging according to an exemplary embodiment;

Fig. 8 is a block diagram of a long-distance wireless charging transmitting device according to an exemplary embodiment;

Fig. 9 is a working flowchart of a remote wireless charging receiving device according to an exemplary embodiment;

10 to 13 are flowcharts of a method for controlling a remote wireless charging receiving device according to an exemplary embodiment;

Fig. 14 is a block diagram of an apparatus for controlling a remote wireless charging receiving device according to an exemplary embodiment;

Fig. 15 is a block diagram of an electronic device according to an exemplary embodiment.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with aspects of the present disclosure as recited in the appended claims.

At present, with the rapid development of the information age, the application of electronic products is becoming more and more extensive. Among them, portable electronic products bring great convenience to people. However, the power stored in electronic products is limited. Charging is usually carried out by directly connecting the data cable to the electronic product. However, it is inconvenient to carry the charging cable when traveling, so the long-distance wireless charging technology of electronic products has become the focus of research at home and abroad.

The existing transmitting device includes a transmitting coil, and the receiving device to be charged includes a receiving coil. Through the electromagnetic induction between the transmitting coil and the receiving coil, electric energy can be transmitted and stored in the battery of the receiving module. However, the receiving coil and the battery will occupy a large space, which is not conducive to the miniaturization and portability of the receiving module.

In order to solve the above problems, the embodiments of the present disclosure provide a long-distance wireless charging receiving device, which can be applied to various long-distance wireless charging scenarios, and the charging range can be tens of centimeters to tens of meters, such as indoor environment, car interior Such as long-distance and long-distance wireless charging scenarios for smart terminals and IoT (Internet of Things) devices without posture requirements, where smart terminals can be smart phones, tablet computers and other devices, and IoT devices can be smart speakers, smart desk lamps, smart Bracelets, AR devices, VR devices, smart headsets, etc. Fig. 1 is a block diagram of a long-distance wireless charging receiving device according to an exemplary embodiment. Referring to FIG. 1 , a long-distance wireless charging receiving device 100 includes a power conversion circuit 101 , a current detection circuit 102 and a status prompt circuit 103 . in,

The power conversion circuit 101 is used to generate a preset voltage based on the received AC signal radiated by the long-distance wireless charging transmitting device, as a power supply to supply power to components in the long-distance wireless charging receiving device 100 that need to be powered;

A current detection circuit 102, configured to detect the output current of the power conversion circuit 101;

The state prompting circuit 103 is used to turn on the indicator light of the corresponding color according to the output current of the power conversion circuit 101 .

In an embodiment, the power conversion circuit 101 may include a DCDC power module or a bridge circuit.

For example, the power conversion circuit 101 may include a DCDC power module, and the input voltage and the output voltage of the DCDC power module are both DC voltages. In this case, referring to FIG. 2 , the remote wireless charging receiving device 100 may also include a radio frequency antenna 105 And receiving module 104. Among them, the radio frequency antenna 105 is used to receive the AC signal radiated by the long-distance wireless charging transmitting device (not shown in the figure), and send it to the receiving module 104. The receiving module 104 is respectively connected with the radio frequency antenna 105 and the power conversion circuit 101, and is used to convert the AC signal into a first DC voltage, and output the first DC voltage to the power conversion circuit 101, and the power conversion circuit 101 is used to convert the first DC voltage to the power conversion circuit 101. The DC voltage is converted to a preset voltage. In this way, in this embodiment, by setting the radio frequency antenna 105 to receive the AC signal radiated by the long-distance wireless charging transmitting device, without using a receiving coil, the volume of the long-distance wireless charging receiving device can be reduced. In addition, the use of radio frequency antennas in this embodiment can also meet the needs of long-distance and high-power long-distance wireless charging, without the need for receiving coils, further reducing the volume of long-distance wireless charging receiving equipment, which is conducive to improving the efficiency of long-distance wireless charging.

As another example, the power conversion circuit 101 may include a bridge circuit. The input voltage of the bridge circuit is an AC voltage and the output voltage is a DC voltage. In this case, referring to FIG. 3 , the remote wireless charging receiving device 100 may further include a radio frequency antenna 105 . Wherein, the radio frequency antenna 105 is used to receive the AC signal radiated by the long-distance wireless charging transmitting device (not shown in the figure), and send it to the bridge circuit. A bridge circuit converts an AC signal to a preset voltage. In this way, in this embodiment, by setting the radio frequency antenna 105 to receive the AC signal radiated by the long-distance wireless charging transmitting device, without using a receiving coil, the volume of the long-distance wireless charging receiving device can be reduced. Moreover, in this embodiment, the use of the radio frequency antenna can also meet the long-distance and high-power long-distance wireless charging requirements, without the need for a receiving coil, further reducing the volume of the long-distance wireless charging receiving device, which is conducive to improving the efficiency of long-distance wireless charging. In addition, the use of the format circuit in this embodiment can reduce the number of receiving modules in the previous example, which is beneficial to further reducing the volume of the long-distance wireless charging receiving device.

In one embodiment, the current detection circuit 102 can use a current detection module, such as a current detection chip of the model MAX4173T/F/H and its supporting circuit; it can also be formed by an operational amplifier; A resistor to be detected is connected in series, calculated according to the voltage and resistance of the resistor to be detected, and the technician can choose according to the specific scenario. When the output current of the power conversion circuit 101 can be detected, the corresponding solution falls within the scope of protection of this application .

In an embodiment, the state prompt circuit 103 may be realized by using an LED lamp circuit, or may also be realized by using a liquid crystal screen. For example, the state prompting circuit 103 can be realized by an LED light circuit. Referring to FIG. As another example, the state prompt circuit 103 can be realized by using a liquid crystal screen. Referring to FIG. . Technicians can select the state prompt circuit according to the specific scene, and the corresponding scheme falls within the scope of protection of the present application if it can be displayed in different states.

In one embodiment, the long-distance wireless charging receiving device 100 also includes a Bluetooth low energy module 106 that needs to be powered. Referring to FIG. 5 , the Bluetooth low energy module 106 is connected to the current detection circuit 101 for obtaining 101 output current, and perform data interaction with the peer Bluetooth low-power module, and can send the status information of the long-distance wireless charging receiving device to the peer low-power Bluetooth module. Of course, technicians can also choose a WiFi module to replace the low-power Bluetooth module 106 in a specific scenario, and the solution of this application can also be implemented.

In one embodiment, the long-distance wireless charging receiving device 100 further includes a processing module 107 that needs power supply. Referring to FIG. According to the comparison result of the output current and the current threshold, the indicator lights of different colors in the state prompt circuit 103 are controlled to display, including:

If the output current is zero, all indicator lights are off, indicating that the long-distance wireless charging receiving device has not received the output current.

If the output current is less than the current threshold, the red indicator light in the control state prompt circuit will display, indicating that the long-distance wireless charging receiving device receives the output current but it is not enough to turn on the long-distance wireless charging receiving device. as well as,

If the output current is greater than or equal to the current threshold, the blue indicator light in the control status prompt circuit will display, indicating that the long-distance wireless charging receiving device has received the output current and is sufficient to turn on the long-distance wireless charging receiving device.

In this embodiment, by controlling the display of indicator lights of different colors in the long-distance wireless charging receiving device, the user can understand the output current, and it is convenient to adjust the relative positions of the long-distance wireless charging receiving device and the long-distance wireless charging transmitting device, so that The output current of the long-distance wireless charging receiving device exceeds the current threshold.

In an embodiment, when the output current is greater than or equal to the current threshold, the processing module may also control the display of the green indicator light in the state prompt circuit when receiving a control command to turn on the remote wireless charging receiving device. In this way, in this embodiment, by prompting the user whether to turn off the power, the user can understand the output current, and ensure that the long-distance wireless charging receiving device and the long-distance wireless charging transmitting device are in a relatively stable state, so that the long-distance wireless charging receiving device can work reliably and efficiently. Helps to improve user experience.

So far, in the embodiments of the present disclosure, a power conversion circuit is provided in the long-distance wireless charging receiving device, and the power conversion circuit is used as a power supply to supply power to the components in the long-distance wireless charging receiving device, so that there is no need for the long-distance wireless charging receiving device The configuration of the battery and the corresponding charging circuit can reduce the volume of the long-distance wireless charging receiving device, which is conducive to the miniaturization and convenience of the long-distance wireless charging receiving device. Moreover, in this embodiment, a current detection circuit and a status prompt circuit are set in the long-distance wireless charging receiving device, and the indicator lights of different colors in the status prompt circuit can be controlled to display by detecting the output current of the power conversion circuit, so that the user can know in time The working status of the long-distance wireless charging receiving device is conducive to improving the experience of using the long-distance wireless charging receiving device.

Fig. 7 is a diagram showing an application scenario according to an exemplary embodiment. Referring to Fig. 7, the long-distance wireless charging transmitting device 200 radiates an AC signal to space through a radio frequency antenna, and the long-distance wireless charging receiving device 100 receives an AC signal through a radio frequency antenna .

In an example, referring to FIG. 8 , a long-distance wireless charging transmitting device 200 includes a biological detection component 201 , a transmission control module 202 , a power adjustment module 203 and a transmitting antenna 204 . in,

The biological detection component 201 is configured to determine the position of the target organism within the detection range.

The transmission control module 202 is configured to determine the target transmission power according to the location of the long-distance wireless charging transmission device 200 and the location of the target organism, and send it to the power adjustment module 203 .

The power adjustment module 203 is configured to adjust the transmit power of the transmit antenna 204 from the current power to the target transmit power.

In an embodiment, the biological detection component 201 may include at least one of the following: an infrared camera, a structured light camera, a TOF camera, and a laser radar. Of course, technicians can also choose other devices that can detect the distance between two objects, and corresponding solutions fall within the protection scope of the present application.

It should be noted that, in this embodiment, the detection range of the biological detection component 201 may be 360-degree omnidirectional detection, or directional detection, which can be set by technicians according to specific scenarios, and is not limited here.

In an example, the number of the biological detection component 201 can be one, so that the biological detection component 201 can be installed at a preset position of the long-distance wireless charging transmitting device. The preset position may be the top or the side wall of the long-distance wireless charging transmitting device. Technicians can set according to specific scenarios, which is not limited here.

In another example, the number of biological detection components 201 can be multiple, so that each biological detection component can be installed in different installation positions, and the installation positions can include the top, two side walls, and the bottom of the long-distance wireless charging transmitting device. , including the front of the display screen, the back opposite to the front, and each biological detection component has a different detection range, so that the detection range of multiple biological detection components can form a final detection range, such as the detection range can be a 360-degree sphere The detection range, so that the detection range of multiple biological detection components can cover all directions, and for example, the detection range can be a directional detection range, so that the detection range only covers a specific range. Technicians can adjust the detection range according to specific scenarios, which is not limited here.

It should also be noted that in this embodiment, the biological detection component 201 can store biological templates in advance, and can also store a trained biological detection algorithm in advance, and the biological detection component 201 can collect images within the scene within the detection range, and then detect target organism.

In one embodiment, considering that the long-distance wireless charging receiving device is only provided to some users, in this case, the biological detection component 201 in this embodiment can pre-store the target biological template, and can also pre-store the trained biological template. For the detection algorithm, the biological detection component 201 can extract the biological features of the target organism within the detection range, such as facial features, ear shape, iris, etc., so that the biological detection component 201 can detect the identity of the target biological body.

Taking an infrared camera as an example, in this embodiment, the biological detection component 201 may emit infrared light into the detection range in real time or periodically, and then capture a three-dimensional infrared image. The biological detection component 201 analyzes the three-dimensional infrared image to determine whether a target biological body (such as a user, which will be described later by taking the user as an example) enters the detection range. If the user is detected, the biological detection component 201 can determine the position of the target biological body, such as the relative distance between itself and the user and the direction between itself and the target biological body.

As another example, the biological detection component 201 can extract the user's facial image from the image, and extract facial features from the area image, compare the facial features with the pre-stored feature templates, if the similarity between the facial features and the feature template exceeds similarity If the threshold is higher, it means that the user has passed the verification, so that the long-distance wireless charging transmitting device can turn on long-distance wireless charging; otherwise, the user has not passed the verification, so that the long-distance wireless charging transmitting device can turn off long-distance wireless charging.

In one embodiment, the transmission control module 202 can communicate with the biological detection component 201 to acquire the position of the target organism, and then according to the relative distance and direction between the position of the target organism and the long-distance wireless charging transmitting device, The transmission control module 202 can determine the target transmission power under the condition that the safety regulations are met and the user is not affected. Wherein, the launch control module 202 can be realized by a processor such as a single chip microcomputer, a digital processing module, or an FPGA in the related art, which is not limited herein.

In an embodiment, the power adjustment module 203 may adjust the transmit power of the transmit antenna from the current power to the target transmit power according to the target transmit power sent by the transmit control module 202 . Among them, the power adjustment module 203 can adopt a 433MHz/315MHz wireless transmission module or a 250MHz-450MHz wireless transmission module in the related art. If the target transmission power can be determined, the corresponding solution falls within the scope of protection of this application.

In an embodiment, the long-distance wireless charging transmitting device may further include a beam control module. Continuing to refer to FIG. 8 , the beam control module 205 can adjust the beam shape and direction according to the control instruction of the transmission control module 202 , which is beneficial to realize high-efficiency point-to-point and point-to-multipoint power transmission. Wherein, the beam control module 205 can be implemented by an integrated circuit capable of adjusting the shape and direction of the beam in the related art, which is not limited here.

In an embodiment, the long-distance wireless charging transmitting device may also include a Bluetooth low energy module. Continuing to refer to FIG. 8, the Bluetooth low energy module 206 can be connected with the Bluetooth low energy module (not shown in the figure) in the long-distance wireless charging receiving device, thereby realizing the transmission control module and the long-distance wireless charging receiving device communication. For example, the Bluetooth low energy module can communicate with the receiving device, and can complete one-to-one or one-to-many handshake operations, charging process control, charging power adjustment control, and location tracking of long-distance wireless charging receiving devices. Of course, technicians can also set the functions of the Bluetooth low energy module 206 according to specific scenarios, and corresponding solutions fall within the scope of protection of this application.

In another embodiment, the transmission control module 202 can communicate with the Bluetooth low energy module, and can obtain the location of one or more long-distance wireless charging receiving devices, so that the transmission control module 202 can The position of the transmitting device and the position of the long-distance wireless charging receiving device determine the safe range, and then determine the positional relationship between the position of the target organism and the safe range, and then the transmission control module 202 can call the pre-stored correspondence between the transmitting power and the positional relationship. The relationship table, querying the transmission power corresponding to the position relationship from the corresponding relationship table, and using the transmission power as the target transmission power of the long-distance wireless charging transmission device. Afterwards, the power adjustment module 203 in the long-distance wireless charging transmitting device can adjust the transmitting power of the transmitting antenna from the current power to the target transmitting power according to the target transmitting power sent by the transmitting control module 202 .

Continuing to refer to FIG. 7 , the long-distance wireless charging receiving device 100 includes a radio frequency antenna, a receiving module, a DCDC power module, a current detection circuit, a Bluetooth low energy module and a status prompt circuit. Among them, the receiving module is respectively connected with the radio frequency antenna and the DCDC power module; the DCDC power module is respectively connected with the current detection circuit, the status prompt circuit and the system of the remote wireless charging receiving device; the current detection circuit is connected with the low-power bluetooth module (BLE) connection; the Bluetooth low energy module (BLE) is connected with the status prompt circuit.

Referring to FIG. 9, the workflow of the long-distance wireless charging receiving device 100 includes:

The radio frequency antenna receives the AC signal radiated by the long-distance wireless charging transmitting device, and the receiving module converts the AC signal into a first DC voltage and outputs it to the DCDC power module. The DCDC power supply module converts the first DC voltage into a preset voltage to supply power to the Bluetooth low energy module, the processing module, and the status prompt circuit. Among them, the current detection circuit can detect the output current of the DCDC power supply module, and the processing module can obtain the output current of the current detection circuit, and control the indicator lights of different colors in the state prompt circuit to display according to the comparison result of the output current and the current threshold. For example, when the output current is zero, all indicator lights are off. For another example, when the output current is less than the current threshold, the processing module can control the red indicator light in the status prompt circuit to display. For another example, when the output current is greater than or equal to the current threshold, the processing module can control the blue indicator light in the status prompt circuit to display.

Considering the actual scene, the processing module can also generate prompt information prompting the user whether to turn on the long-distance wireless charging receiving device, and the user can return the control command to turn on or off the long-distance wireless charging receiving device according to the prompt information. When the control command to turn on the long-distance wireless charging receiving device is not received, the processing module continues to detect the control command, that is, waits for the power on. Wherein, not receiving the control instruction to turn on the remote wireless charging receiving device refers to receiving the control instruction to turn off the remote wireless charging receiving device or not receiving the control instruction within the set time period (ie receiving the control instruction timed out). When receiving the control command to turn on the long-distance wireless charging receiving device, the processing module controls the green indicator light in the state prompt circuit to display and the processing module can run the system.

Among them, the status of each indicator light in the status prompt circuit is shown in Table 1.

Table 1

After the long-distance wireless charging receiving device is turned on, the current detection circuit continues to detect the output voltage of the DCDC power module, and the processing module judges whether the current change is greater than or equal to the change threshold, and if not, keeps the long-distance wireless charging receiving device to continue work; if so, then generate a prompt message indicating whether the user is turned off, and detect whether a control instruction to turn off the long-distance wireless charging receiving device is received. If the control command to turn off the long-distance wireless charging receiving device is received, the long-distance wireless charging receiving device is turned off; if the control command to turn off the long-distance wireless charging receiving device is not received, the long-distance wireless charging receiving device is kept working.

In this embodiment, by prompting the user whether to turn off the power, the user can understand the output current, and ensure that the long-distance wireless charging receiving device and the long-distance wireless charging transmitting device are in a relatively stable state, so that the long-distance wireless charging receiving device can work reliably, which is beneficial to Improve user experience.

Based on the above-mentioned long-distance wireless charging receiving device, an embodiment of the present disclosure also provides a method for controlling a long-distance wireless charging receiving device. FIG. 10 shows a method for controlling a long-distance wireless charging receiving device according to an exemplary embodiment. The flow chart of Fig. 10, described method comprises:

Step 1001, obtaining the output current of the power conversion circuit detected by the current detection circuit;

Step 1002, control the display of indicator lights of different colors in the state prompt circuit according to the comparison result of the output current and the preset current threshold.

In one embodiment, controlling the display of indicator lights of different colors in the state prompt circuit according to the comparison result between the output current and the preset current threshold includes:

If the comparison result indicates that the output current is less than the current threshold, the red indicator light in the state prompt circuit is controlled to display;

If the comparison result indicates that the output current is greater than or equal to the current threshold, the blue indicator light in the state prompt circuit is controlled to display.

In one embodiment, on the basis of the method shown in FIG. 10 , referring to FIG. 11 , when the comparison result indicates that the output current is greater than or equal to the current threshold, the method further includes:

Step 1101, detecting whether a control instruction for enabling a remote wireless charging receiving device is received;

Step 1102, when the control instruction is received, control the green indicator light in the state prompt circuit to display; Step 1103, when the control instruction is not received, continue to perform the process of detecting whether the control instruction to turn on the remote wireless charging receiving device is received step.

In one embodiment, on the basis of the method shown in FIG. 10, referring to FIG. 12, the method further includes:

Step 1201, detecting the variation of the output current;

Step 1202, when the variation of the output current is greater than or equal to a preset variation threshold, generate prompt information that prompts the user whether to turn off the power.

In one embodiment, on the basis of the method shown in FIG. 10 , referring to FIG. 13 , after generating the prompt information that prompts the user whether to shut down the phone, the method further includes:

Step 1301, detecting the user's feedback operation in response to the prompt information;

Step 1302, when a feedback operation indicating shutdown is detected, the remote wireless charging receiving device is turned off; when a feedback operation indicating not shutdown is detected, the remote wireless charging receiving device is kept working normally.

It should be noted that the embodiment of the present disclosure also provides a method for controlling a long-distance wireless charging receiving device, which has been embodied in the description of the working process of the long-distance wireless charging receiving device. For details, please refer to the content of the long-distance wireless charging receiving device. , which will not be repeated here.

An embodiment of the present disclosure also provides an apparatus for controlling a long-distance wireless charging receiving device. FIG. 14 is a block diagram of an apparatus for controlling a long-distance wireless charging receiving device according to an exemplary embodiment. See FIG. 14 , the Devices include:

An output current acquisition module 1401, configured to acquire the output current of the power conversion circuit detected by the current detection circuit;

The indicator light control module 1402 is configured to control the display of indicator lights of different colors in the state prompt circuit according to the comparison result between the output current and the preset current threshold.

It should be noted that the embodiment of the present disclosure also provides a solution for controlling the device for long-distance wireless charging receiving equipment, which has been embodied in the description of the working process of the long-distance wireless charging receiving equipment. For details, please refer to the long-distance wireless charging receiving equipment content will not be repeated here.

Fig. 15 is a block diagram of an electronic device 1500 according to an exemplary embodiment. For example, the electronic device 1500 may be a mobile phone, a tablet computer, an e-book reader, a multimedia playback device, a wearable device, a vehicle terminal, and other electronic devices.

Referring to FIG. 15 , electronic device 1500 may include one or more of the following components: processing component 1502, memory 1504, power supply component 1506, multimedia component 1508, audio component 1510, input/output (I/O) interface 1512, sensor component 1514, and communication component 1516.

The processing component 1502 generally controls the overall operations of the electronic device 1500, such as those associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 1502 may include one or more processors 1520 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 1502 may include one or more modules that facilitate interaction between processing component 1502 and other components. For example, processing component 1502 may include a multimedia module to facilitate interaction between multimedia component 1508 and processing component 1502 . In another example, the processing component 1502 may read executable instructions from the memory, so as to implement the steps of a method for controlling a remote wireless charging receiving device provided in the above-mentioned embodiments.

The memory 1504 is configured to store various types of data to support operations at the electronic device 1500 . Examples of such data include instructions for any application or method operating on the electronic device 1500, contact data, phonebook data, messages, pictures, videos, and the like. The memory 1504 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

The power supply component 1506 provides power to various components of the electronic device 1500 . Power components 1506 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for electronic device 1500 .

The multimedia component 1508 includes a display screen providing an output interface between the electronic device 1500 and the user. In some embodiments, the multimedia component 1508 includes a front camera and/or a rear camera. When the electronic device 1500 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.

The audio component 1510 is configured to output and/or input audio signals. For example, the audio component 1510 includes a microphone (MIC), which is configured to receive an external audio signal when the electronic device 1500 is in an operation mode, such as a call mode, a recording mode and a voice recognition mode. Received audio signals may be further stored in memory 1504 or sent via communication component 1516 . In some embodiments, the audio component 1510 also includes a speaker for outputting audio signals.

The I/O interface 1512 provides an interface between the processing component 1502 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.

Sensor assembly 1514 includes one or more sensors for providing various aspects of status assessment for electronic device 1500 . For example, the sensor component 1514 can detect the open/closed state of the electronic device 1500, the relative positioning of components, such as the display and the keypad of the electronic device 1500, the sensor component 1514 can also detect the electronic device 1500 or one of the electronic devices 1500 Changes in position of components, presence or absence of user contact with electronic device 1500 , electronic device 1500 orientation or acceleration/deceleration and temperature changes in electronic device 1500 . Sensor assembly 1514 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 1514 may also include optical sensors, such as CMOS or CCD image sensors, for use in imaging applications. In some embodiments, the sensor component 1514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 1516 is configured to facilitate wired or wireless communication between the electronic device 1500 and other devices. The electronic device 1500 can access a wireless network based on communication standards, such as Wi-Fi, 2G, 3G, 4G or 5G, or a combination thereof. In one exemplary embodiment, the communication component 1516 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1516 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, electronic device 1500 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the methods described above.

In an exemplary embodiment, there is also provided a non-transitory machine-readable storage medium including instructions, such as the memory 1504 including instructions, which can be executed by the processor 1520 of the electronic device 1500 to implement the above image processing method. For example, the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (9)

1. a remote wireless charging receiving device is characterized by comprising a power supply conversion circuit, a current detection circuit and a state prompt circuit;

the power supply conversion circuit is used for generating a preset voltage based on the received alternating current signal radiated by the remote wireless charging transmitting equipment, and the preset voltage is used as a power supply to supply power to a part needing to be supplied with power in the remote wireless charging receiving equipment;

The current detection circuit is used for detecting the output current of the power conversion circuit;

And the state prompt circuit is used for starting the indicator lamp with the corresponding color according to the output current of the power supply conversion circuit.

2. The long-distance wireless charging receiving device according to claim 1, wherein the power conversion circuit comprises a DCDC power module, and the long-distance wireless charging receiving device further comprises a radio frequency antenna and a receiving module; wherein,

The radio frequency antenna is used for receiving alternating current signals radiated by the remote wireless charging transmitting equipment;

The receiving module is respectively connected with the radio frequency antenna and the power conversion circuit and used for converting the alternating current signal into a first direct current voltage and outputting the first direct current voltage to the power conversion circuit, and the power conversion circuit is used for converting the first direct current voltage into a preset voltage.

3. The remote wireless charging receiver apparatus of claim 1, wherein said power conversion circuit comprises a bridge circuit, said remote wireless charging receiver apparatus further comprising a radio frequency antenna; wherein,

The radio frequency antenna is used for receiving alternating current signals radiated by the remote wireless charging transmitting equipment;

the bridge circuit is connected with the radio frequency antenna and used for converting the alternating current signal into preset voltage.

4. the long-distance wireless charging receiving device according to claim 1, further comprising a bluetooth low energy module to be powered; the low-power-consumption Bluetooth module is connected with the current detection circuit and used for carrying out data interaction with the opposite-end low-power-consumption Bluetooth module.

5. The remote wireless charging receiving device according to claim 1, further comprising a processing module that needs to be powered, wherein the processing module is connected to the current detection circuit, and is configured to obtain the output current of the current detection circuit, and control the indicator lights of different colors in the status indication circuit to display according to a comparison result between the output current and a current threshold.

6. The long-distance wireless charging receiving device of claim 5, wherein the processing module device is configured to control the indicator lights of different colors in the status prompting circuit to display according to the comparison result between the output current and the current threshold, and the processing module device includes:

If the output current is smaller than the current threshold, controlling a red indicator lamp in the state prompting circuit to display;

and if the output current is greater than or equal to the current threshold, controlling a blue indicator lamp in the state prompting circuit to display.

7. The long-distance wireless charging receiving device of claim 5, wherein the processing module device is configured to control the indicator lights of different colors in the status prompting circuit to display according to the comparison result between the output current and the current threshold, and the processing module device includes:

and if the output current is greater than or equal to the current threshold and a control instruction for starting the remote wireless charging receiving equipment is received, controlling a green indicator lamp in the state prompting circuit to display.

8. a remote wireless charging system, comprising a remote wireless charging receiving device and a remote wireless charging transmitting device according to any one of claims 1 to 7, wherein the remote wireless charging transmitting device is used for radiating an alternating current signal, and the remote wireless charging receiving device is used for receiving the alternating current signal and generating a preset voltage to supply power to a component needing power supply.

9. An electronic device comprising a processor, a memory and a remote wireless charging receiving device according to any one of claims 1 to 7.