A smart accessory and inductive power supply system for wireless intelligent power generation

Abstract

This utility model discloses a smart accessory and inductive power extraction system for wireless intelligent power extraction. The smart accessory is used to wirelessly connect to a wireless charging dock. The smart accessory includes a phone case, an RX inductive antenna module, a rectifier circuit module, and a control circuit module. The RX inductive antenna module, the rectifier circuit module, and the control circuit module are all located inside the phone case. The RX inductive antenna module is connected to the rectifier circuit module, and the rectifier circuit module is connected to the control circuit module. Wireless charging technology brings convenience to users, making charging methods more flexible and personalized, and will become a standard feature of smartphones or smart terminals in the future. Based on this, the solution of this utility model can not only realize wireless charging and inductive power extraction for phone case accessories, but also significantly improve the stability of wireless charging and the efficiency of inductive power extraction for phone case accessories.

Description

Technical Field

[0001] This utility model relates to the field of smart accessories, and in particular to a smart accessory and inductive power generation system for wireless smart power generation. Background Technology

[0002] With the continuous development of smartphones, wireless charging technology for smart devices has been widely adopted. In other words, wireless charging technology has brought convenience to users, making their charging methods more flexible and personalized, and will become a standard feature of smartphones or smart devices in the future.

[0003] On the other hand, existing mobile phone accessories still have limitations. For example, smartphones are not deeply integrated with accessories, and there is a lack of efficient power management mechanisms that coordinate multiple circuits, making it difficult to meet users' demands for interface-free operation, long battery life, and intelligent features. Therefore, the industry needs to design a smart accessory solution for wireless intelligent power generation to address these technical issues. Utility Model Content

[0004] The technical problem to be solved by this utility model is: how to design a smart accessory solution for wireless intelligent power generation, which can not only realize wireless charging and inductive power generation for mobile phone case accessories and smartphones, but also significantly improve the stability of wireless charging and the efficiency of inductive power generation.

[0005] In a first aspect, embodiments of this application propose a smart accessory for wireless intelligent power generation. The smart accessory is used to wirelessly connect to a wireless charging dock. The smart accessory includes a phone casing, an RX sensing antenna module, a rectifier circuit module, and a control circuit module. The RX sensing antenna module, the rectifier circuit module, and the control circuit module are all located inside the phone casing. The RX sensing antenna module is connected to the rectifier circuit module, and the rectifier circuit module is connected to the control circuit module. The smart accessory can be a phone casing accessory, and the phone casing can be made of a non-rigid material.

[0006] A further technical solution is that the control circuit module includes a charging status detection circuit, a DC-DC conversion circuit, an LDO circuit, and an MCU main control module. The RX sensing antenna module is connected to the charging status detection circuit through the rectifier circuit module. The charging status detection circuit is connected to the DC-DC conversion circuit. The DC-DC conversion circuit is connected to the LDO circuit. The LDO circuit is connected to the MCU main control module.

[0007] A further technical solution is that the control circuit module further includes a charging management circuit, a battery module, a battery power detection circuit, and a charging current control circuit. The DC-DC conversion circuit is connected to the charging management circuit, the charging management circuit is connected to the battery module, the battery module is connected to the LDO circuit and the battery power detection circuit, the battery power detection circuit is connected to the MCU main control module, and the MCU main control module is connected to the charging management circuit through the charging current control circuit.

[0008] A further technical solution is that the wireless charging dock is used to wirelessly connect to an external mobile terminal, and the mobile phone casing of the smart accessory covers at least three of the six sides of the mobile terminal.

[0009] A further technical solution is that the MCU main control module includes a main control chip U10 with the model number FR2012B.

[0010] A further technical solution is that the charging current control circuit includes resistor R35 and resistor R36. The first end of resistor R35 is grounded, the PC4 pin of the main control chip U10 is connected to the first end of resistor R36, and the second ends of resistor R35 and resistor R36 are both connected to the charging management circuit.

[0011] A further technical solution is that the charging management circuit includes a charging management chip of model LGS4056HDA, and the second end of resistor R35 and the second end of resistor R36 are both connected to the PROG pin of the charging management chip of the charging management circuit.

[0012] Secondly, this application proposes an inductive power generation system, which includes a wireless charging dock and a mobile terminal. The inductive power generation system also includes a smart accessory for wireless intelligent power generation as described in the first aspect. The mobile terminal is encased in a phone case of the smart accessory, and the wireless charging dock is wirelessly connected to the mobile terminal and the smart accessory.

[0013] In summary, with the continuous development of smartphones, wireless charging technology for smart terminals has been widely applied. In other words, wireless charging technology has brought convenience to users, making their charging methods more flexible and personalized, and will become a standard feature of smartphones or smart terminals in the future. Based on this, this application proposes a smart accessory and inductive power extraction system for wireless intelligent power extraction, which can not only realize wireless charging and inductive power extraction of phone case accessories, but also significantly improve the stability of wireless charging and the efficiency of inductive power extraction of phone case accessories. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall circuit of the intelligent accessory proposed in this utility model.

[0016] Figure 2 This is a schematic diagram of the inductive power supply system for the intelligent accessory proposed in this utility model.

[0017] Figure 3 This is a diagram of the MCU main control module of the intelligent accessory proposed in this utility model.

[0018] Figure 4 This is a circuit diagram for the battery power detection of the intelligent accessory proposed in this utility model.

[0019] Figure 5 This is a circuit diagram of the charging current control for the intelligent accessory proposed in this utility model.

[0020] Figure 6 This is a diagram of the battery module of the intelligent accessory proposed in this utility model.

[0021] Figure 7 This is a circuit diagram of the charging management system for the intelligent accessory proposed in this utility model.

[0022] Figure 8 This is the LDO circuit diagram of the intelligent accessory proposed in this utility model.

[0023] Figure 9 This is a DC-DC conversion circuit diagram of the intelligent accessory proposed in this utility model.

[0024] Figure 10 This is a circuit diagram for detecting the charging status of the intelligent accessory proposed in this utility model.

[0025] Figure 11 This is a diagram of the rectifier circuit module of the intelligent accessory proposed in this utility model.

[0026] Figure 12 This is a diagram of the RX sensing antenna module of the intelligent accessory proposed in this utility model. Detailed Implementation

[0027] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Similar component reference numerals in the drawings represent similar components. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0028] It should be understood that the terminology used in this specification of embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of the present invention. As used in this specification of embodiments of the present invention and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0029] Example See Figures 1 to 12 As shown, this is an intelligent accessory for wireless intelligent power generation according to an embodiment of the present invention. Firstly, see [link to specific details]. Figure 1 as well as Figure 2 As shown in the illustration, this application proposes a smart accessory for wireless intelligent power generation. The smart accessory is used to wirelessly connect to a wireless charging dock. The smart accessory includes a phone case, an RX sensing antenna module, a rectifier circuit module, and a control circuit module. The RX sensing antenna module, the rectifier circuit module, and the control circuit module are all located inside the phone case. The RX sensing antenna module is connected to the rectifier circuit module, and the rectifier circuit module is connected to the control circuit module. The smart accessory can be a phone case accessory, and the phone case can be made of a non-rigid material.

[0030] In one embodiment, see further. Figure 1 as well as Figure 2 As shown, the control circuit module includes a charging status detection circuit, a DC-DC conversion circuit, an LDO circuit, and an MCU main control module. The RX sensing antenna module is connected to the charging status detection circuit through the rectifier circuit module. The charging status detection circuit is connected to the DC-DC conversion circuit. The DC-DC conversion circuit is connected to the LDO circuit. The LDO circuit is connected to the MCU main control module.

[0031] In one embodiment, the control circuit module further includes a charging management circuit, a battery module, a battery power detection circuit, and a charging current control circuit. The DC-DC conversion circuit is connected to the charging management circuit, the charging management circuit is connected to the battery module, the battery module is connected to the LDO circuit and the battery power detection circuit, the battery power detection circuit is connected to the MCU main control module, and the MCU main control module is connected to the charging management circuit through the charging current control circuit.

[0032] In one embodiment, the wireless charging dock is used for wireless connection to an external mobile terminal, and the phone case of the smart accessory covers at least three of the six sides of the mobile terminal; optionally, the phone case covers five sides of the mobile terminal. In one embodiment, the MCU main control module includes a main control chip U10 of model FR2012B.

[0033] In one embodiment, the charging current control circuit includes resistors R35 and R36. The first terminal of resistor R35 is grounded, and the PC4 pin of the main control chip U10 is connected to the first terminal of resistor R36. The second terminals of both resistors R35 and R36 are connected to the charging management circuit. In another embodiment, the charging management circuit includes a charging management chip of model LGS4056HDA, and the second terminals of both resistors R35 and R36 are connected to the PROG pin of the charging management chip.

[0034] Secondly, this application proposes an inductive power generation system, which includes a wireless charging dock and a mobile terminal. The inductive power generation system also includes a smart accessory for wireless intelligent power generation as described in the first aspect. The mobile terminal is encased in a phone case of the smart accessory, and the wireless charging dock is wirelessly connected to the mobile terminal and the smart accessory.

[0035] The beneficial effects of this application also include the following aspects. First, interface-free design: completely eliminating the physical charging interface, it uses a built-in antenna to sense the electromagnetic signal of the wireless charging base, adapting to various holeless phone cases and solving the problems of interface loss and waterproofing; Second, multi-circuit collaborative integration: including multiple modules such as rectifier circuit, DC-DC conversion circuit, LDO circuit, and lithium battery charging management circuit, it achieves efficient conversion from electromagnetic induction to energy storage throughout the entire process, improving energy utilization; Third, intelligent power management: through charging status detection circuit and battery power detection circuit, it monitors the charging process and battery status in real time, dynamically adjusting the charging current (executed by the charging current control circuit) to avoid overcharging and over-discharging, extending the life of the lithium battery; Fourth, lightweight and compatibility: the module is small in size and can be embedded inside the phone case without affecting the appearance of the accessory or the grip of the phone, and is compatible with the electromagnetic signal protocols of mainstream wireless charging bases.

[0036] In summary, with the continuous development of smartphones, wireless charging technology for smart terminals has been widely applied. In other words, wireless charging technology has brought convenience to users, making their charging methods more flexible and personalized, and will become a standard feature of smartphones or smart terminals in the future. Based on this, this application proposes a smart accessory and inductive power extraction system for wireless intelligent power extraction, which can not only realize wireless charging and inductive power extraction of phone case accessories, but also significantly improve the stability of wireless charging and the efficiency of inductive power extraction of phone case accessories.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0042] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Since these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

[0043] The above description describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A smart accessory for wireless intelligent power generation, characterized in that, The smart accessory is used to wirelessly connect to the wireless charging dock; the smart accessory includes a phone case, an RX sensing antenna module, a rectifier circuit module, and a control circuit module; the RX sensing antenna module, the rectifier circuit module, and the control circuit module are all located inside the phone case, the RX sensing antenna module is connected to the rectifier circuit module, and the rectifier circuit module is connected to the control circuit module.

2. The intelligent accessory for wireless intelligent power supply according to claim 1, characterized in that, The control circuit module includes a charging status detection circuit, a DC-DC conversion circuit, an LDO circuit, and an MCU main control module. The RX sensing antenna module is connected to the charging status detection circuit through the rectifier circuit module. The charging status detection circuit is connected to the DC-DC conversion circuit. The DC-DC conversion circuit is connected to the LDO circuit. The LDO circuit is connected to the MCU main control module.

3. The intelligent accessory for wireless intelligent power supply according to claim 2, characterized in that, The control circuit module also includes a charging management circuit, a battery module, a battery power detection circuit, and a charging current control circuit. The DC-DC converter circuit is connected to the charging management circuit, the charging management circuit is connected to the battery module, the battery module is connected to the LDO circuit and the battery power detection circuit, the battery power detection circuit is connected to the MCU main control module, and the MCU main control module is connected to the charging management circuit through the charging current control circuit.

4. The smart accessory for wireless intelligent power supply according to claim 3, characterized in that, The wireless charging dock is used for wireless connection to an external mobile terminal, and the smart accessory's phone case covers at least three of the six sides of the mobile terminal.

5. The smart accessory for wireless intelligent power supply according to claim 4, characterized in that, The MCU main control module includes a main control chip U10 with model number FR2012B.

6. The intelligent accessory for wireless intelligent power supply according to claim 5, characterized in that, The charging current control circuit includes resistors R35 and R36. The first end of resistor R35 is grounded, and the PC4 pin of the main control chip U10 is connected to the first end of resistor R36. The second ends of resistors R35 and R36 are both connected to the charging management circuit.

7. The intelligent accessory for wireless intelligent power supply according to claim 6, characterized in that, The charging management circuit includes a charging management chip of model LGS4056HDA. The second end of resistor R35 and the second end of resistor R36 are both connected to the PROG pin of the charging management chip of the charging management circuit.

8. An inductive power extraction system, characterized in that, The inductive power supply system includes a wireless charging dock and a mobile terminal. The inductive power supply system also includes a smart accessory for wireless intelligent power supply as described in any one of claims 1 to 7. The mobile terminal is encased in a phone case of the smart accessory, and the wireless charging dock is wirelessly connected to the mobile terminal and the smart accessory.

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