Wireless charging system and electronic equipment
By designing the first and second wake-up modules in the wireless charging system, automatic wake-up and wireless charging of the wireless charging device are realized, and the problem of manual wake-up devices in the prior art is solved, and it is suitable for miniaturization devices.
Patent Information
- Application Number
- CN202420534819.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-19
AI Technical Summary
Existing wireless charging devices cannot automatically wake up the charging device when the external device is turned on, and require manual operation, and miniaturized devices are difficult to adapt to larger electromagnets.
A wireless charging system is designed, including a first wake-up module electrically connected to the wireless receiving terminal, and a second wake-up module electrically connected to the wireless transmitting terminal. The first wake-up module outputs the first wake-up signal according to the wake-up control command output by the wireless receiving terminal, and the second wake-up module outputs the second wake-up signal according to the first wake-up signal, realizing automatic wake-up and wireless charging of the wireless transmitting terminal.
It realizes the automatic wake-up and wireless charging functions of wireless charging devices, simplifies the operation process, and is suitable for miniaturized devices.
Smart Images

Figure CN222638227U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wireless charging, and in particular to a wireless charging system and electronic equipment. Background Art
[0002] Current wireless charging devices generally detect external devices through physical buttons, touch buttons or magnetic induction to activate the wireless transmission function to charge the external device. When the external device and the charging device are not separated, turning on the external device cannot directly wake up the charging device, and the charging device needs to be manually woken up, that is, the two devices need to be turned on separately, which is cumbersome; or add Hall sensors and electromagnets to wake up the charging device, but the size of the electromagnet is relatively large, which is not suitable for miniaturized devices. Utility Model Content
[0003] The utility model provides a wireless charging system and an electronic device, which are used to solve at least one of the above-mentioned problems.
[0004] The utility model provides a wireless charging system, comprising:
[0005] A first wake-up module, electrically connected to the wireless receiving terminal, the first wake-up module outputs a first wake-up signal according to the wake-up control instruction output by the wireless receiving terminal;
[0006] The second wake-up module is electrically connected to the wireless transmitting terminal; the second wake-up module outputs a second wake-up signal according to the first wake-up signal, and the second wake-up signal is used to wake up the wireless transmitting terminal so that the wireless transmitting terminal can wirelessly charge the wireless receiving terminal.
[0007] According to the wireless charging system provided by the utility model, the first wake-up module includes:
[0008] a first AC circuit, wherein an input end of the first AC circuit is electrically connected to an output end of the wireless receiving terminal, and is used to output AC power according to the wake-up control instruction;
[0009] The first wake-up coil is electrically connected to the output end of the first AC circuit to output a first resonant magnetic field as the first wake-up signal.
[0010] According to the wireless charging system provided by the utility model, the first AC circuit includes:
[0011] a second triode, wherein a base of the second triode is electrically connected to the wireless receiving terminal, and an emitter of the second triode is grounded;
[0012] a diode, wherein the anode of the diode is electrically connected to the collector of the second transistor, and the cathode of the diode is connected to a power supply;
[0013] One end of the first wake-up coil is electrically connected to the anode of the diode, and the other end of the first wake-up coil is electrically connected to the cathode of the diode.
[0014] According to the wireless charging system provided by the utility model, the second wake-up module includes:
[0015] a second wake-up coil, located in the first resonant magnetic field, to output an alternating current as a second wake-up request signal according to the first wake-up signal;
[0016] A signal conversion circuit, wherein the input end of the signal conversion circuit is electrically connected to the second wake-up coil, and the output end of the signal conversion circuit is electrically connected to the wireless transmitting terminal; the signal conversion circuit outputs a second wake-up signal according to the second wake-up request signal.
[0017] According to the wireless charging system provided by the utility model, the signal conversion circuit includes:
[0018] a resistor, one end of which is electrically connected to the second wake-up coil;
[0019] A first transistor, wherein the base of the first transistor is electrically connected to the other end of the resistor, the emitter of the first transistor is grounded, and the collector of the first transistor is electrically connected to the wireless transmitting terminal.
[0020] According to the wireless charging system provided by the utility model, the wireless receiving terminal includes:
[0021] A first input module, used for inputting a first wake-up request signal;
[0022] The first control module is electrically connected to the first input module and the first wake-up module, and the first control module outputs the wake-up control instruction according to the first wake-up request signal.
[0023] According to the wireless charging system provided by the utility model, the wireless receiving terminal also includes:
[0024] a first power storage module;
[0025] The wireless receiving coil is electrically connected to the first power storage module. The wireless receiving coil is located in a second resonant magnetic field emitted by the wireless transmitting terminal. The wireless receiving coil generates current to charge the first power storage module.
[0026] The utility model also provides an electronic device, comprising an electronic device body and any one of the wireless charging systems described above; the wireless charging system is connected to the electronic device body.
[0027] According to the electronic device provided by the utility model, the electronic device body comprises:
[0028] A first shell, in which the first wake-up module and the wireless receiving terminal of the wireless charging system are arranged;
[0029] The second shell is detachably connected to the first shell, and the second wake-up module and the wireless transmitting terminal of the wireless charging system are arranged in the second shell.
[0030] According to the electronic device provided by the utility model, the electronic device is a wireless monitor.
[0031] The utility model provides a wireless charging system and electronic device. By setting a first wake-up module electrically connected to a wireless receiving terminal and a second wake-up module electrically connected to a wireless transmitting terminal, and the first wake-up module outputs a first wake-up signal according to a wake-up control instruction output by the wireless receiving terminal, and the second wake-up module outputs a second wake-up signal according to the first wake-up signal, the wireless transmitting terminal can be awakened, so that the wireless transmitting terminal can wirelessly charge the wireless receiving terminal. In a specific embodiment of the utility model, it is not necessary to manually wake up the wireless receiving terminal and the wireless transmitting terminal at the same time, but first by waking up the wireless receiving terminal and then automatically waking up the wireless transmitting terminal, and then turning on the wireless charging function of the wireless transmitting terminal to achieve wireless charging of the wireless receiving terminal. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0033] Figure 1 This is one of the structural schematic diagrams of the wireless charging system of the utility model;
[0034] Figure 2 This is the second structural schematic diagram of the wireless charging system of the utility model;
[0035] Figure 3 It is a structural schematic diagram of a first AC circuit of the wireless charging system of the utility model;
[0036] Figure 4 It is a structural schematic diagram of a signal conversion circuit of a wireless charging system of the utility model;
[0037] Figure 5 This is one of the structural schematic diagrams of the electronic equipment provided by the utility model;
[0038] Figure 6 This is the second structural schematic diagram of the electronic equipment provided by the utility model.
[0039] Reference numerals:
[0040] 100, first housing; 101, groove; 102, first coil coupling region;
[0041] 200, second shell;
[0042] 300. Connectors. DETAILED DESCRIPTION
[0043] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0044] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0045] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0046] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0048] Combine the following Figures 1 to 4 The wireless charging system of the utility model is described in detail, wherein: Figure 1 This is one of the structural schematic diagrams of the wireless charging system of the utility model; Figure 2 This is the second structural schematic diagram of the wireless charging system of the utility model; Figure 3 It is a structural schematic diagram of a first AC circuit of the wireless charging system of the utility model; Figure 4 It is a structural schematic diagram of a signal conversion circuit of a wireless charging system of the utility model.
[0049] like Figure 1 and Figure 2 As shown, a wireless charging system is provided in a specific embodiment of the first aspect of the utility model. The wireless charging system includes a first wake-up module and a second wake-up module.
[0050] Among them, the first wake-up module is electrically connected to the wireless receiving terminal, and the first wake-up module outputs a first wake-up signal according to the wake-up control instruction output by the wireless receiving terminal; the second wake-up module is electrically connected to the wireless transmitting terminal; the second wake-up module outputs a second wake-up signal according to the first wake-up signal, so that the wireless transmitting terminal starts wirelessly charging the wireless receiving terminal.
[0051] In a specific embodiment of the utility model, by setting a first wake-up module electrically connected to the wireless receiving terminal and a second wake-up module electrically connected to the wireless transmitting terminal, and the first wake-up module outputs a first wake-up signal according to the wake-up control instruction output by the wireless receiving terminal, and the second wake-up module outputs a second wake-up signal according to the first wake-up signal, the wireless transmitting terminal can be awakened, so that the wireless transmitting terminal can wirelessly charge the wireless receiving terminal. In a specific embodiment of the utility model, it is not necessary to manually wake up the wireless receiving terminal and the wireless transmitting terminal at the same time, but first wake up the wireless receiving terminal and then automatically wake up the wireless transmitting terminal, and then turn on the wireless charging function of the wireless transmitting terminal to achieve wireless charging of the wireless receiving terminal.
[0052] In a specific embodiment of the utility model, the first wake-up module includes a first AC circuit and a first wake-up coil. The input end of the first AC circuit is electrically connected to the output end of the wireless receiving terminal, and is used to output AC power according to the wake-up control instruction; the first wake-up coil is electrically connected to the output end of the first AC circuit to output a first resonant magnetic field as a first wake-up signal. Specifically, the input end of the first AC circuit is electrically connected to the wireless receiving terminal, the first AC circuit outputs an alternating current according to the wake-up control instruction, and the first wake-up coil generates a first resonant magnetic field as a first wake-up signal according to the alternating current.
[0053] like Figure 3 As shown, in a specific embodiment of the utility model, the first AC circuit includes a second transistor Q2 and a diode D1; the base of the second transistor Q2 is electrically connected to the wireless receiving terminal, the emitter of the second transistor Q2 is grounded, the collector of the second transistor Q2 is electrically connected to the positive electrode of the diode D1, and the negative electrode of the diode D1 is connected to the power supply; one end of the first wake-up coil is electrically connected to the positive electrode of the diode D1, and the other end of the first wake-up coil is electrically connected to the negative electrode of the diode D1. The wireless receiving terminal outputs a wake-up control instruction, and the second transistor Q2 switches from a closed state to an open state after receiving the wake-up control instruction, and the power supply outputs AC power to input AC power to the first wake-up coil, and the first wake-up coil outputs a first wake-up signal.
[0054] In some embodiments, the model of the second transistor Q2 is MMBT8050D.
[0055] In some embodiments, the diode D1 is of model IN4148.
[0056] In some embodiments, the cathode of the diode D1 is connected to a 3.3V AC power source.
[0057] In some embodiments, the first AC circuit further includes a first connector J8, wherein a first input pin of the first connector J8 is connected to the anode of the diode D1, and a second input pin of the first connector J8 is electrically connected to the cathode of the diode D1; a first output pin of the first connector J8 is electrically connected to one end of the first wake-up coil, and a second output pin of the first connector J8 is electrically connected to the other end of the first wake-up coil. By providing the first connector J8, the first AC circuit and the first wake-up coil can be quickly assembled and disassembled, and the connection stability can be improved.
[0058] In a specific embodiment of the utility model, the second wake-up module includes a second wake-up coil and a signal conversion circuit. The second wake-up coil is located in the first resonant magnetic field to output a second wake-up request signal according to the first wake-up signal; the input end of the signal conversion circuit is electrically connected to the second wake-up coil, and the output end of the signal conversion circuit is electrically connected to the wireless transmitting terminal; the signal conversion circuit outputs a second wake-up signal according to the second wake-up request signal. Specifically, the second wake-up coil is in the first resonant magnetic field, so the second wake-up coil generates an induced alternating current as a second wake-up request signal; the signal conversion circuit outputs a second wake-up signal according to the second wake-up request signal, which is used to wake up the wireless transmitting terminal so that the wireless transmitting terminal can wirelessly charge the wireless receiving terminal.
[0059] like Figure 4 As shown, in a specific embodiment of the utility model, the signal conversion circuit includes a first transistor Q1 and a resistor R1; one end of the resistor R1 is electrically connected to the second wake-up coil, the other end of the resistor R1 is electrically connected to the base of the first transistor Q1, the emitter of the first transistor Q1 is grounded, and the collector of the first transistor Q1 is electrically connected to the wireless transmitting terminal. By setting the resistor R1 between the second wake-up coil and the first transistor Q1, the current limiting function is played to protect the first transistor Q1. The second wake-up coil is in the first resonant magnetic field, so the second wake-up coil generates an induced alternating current as a second wake-up request signal; after the induced alternating current passes through the current limiting of the resistor R1, it flows to the first transistor Q1, and the first transistor Q1 is turned on to output the second wake-up signal, which is used to wake up the wireless transmitting terminal, so that the wireless transmitting terminal supplies power to the wireless receiving terminal.
[0060] In some embodiments, the signal conversion circuit further includes a second connector J7; an input pin of the second connector J7 is electrically connected to the second wake-up coil, a first output pin of the second connector J7 is electrically connected to one end of the resistor R1, and a second output pin of the second connector J7 is grounded. The resistor R1 and the second wake-up coil can be quickly disassembled and assembled through the second connector J7, thereby improving the connection stability.
[0061] In some embodiments, the model of the first transistor Q1 is MMBT8050D.
[0062] In a specific embodiment of the utility model, the wireless receiving terminal includes a first input module and a first control module; the first input module is used to input a first wake-up request signal; the first control module is electrically connected to the first input module and the first wake-up module, and the first control module outputs a wake-up control instruction according to the first wake-up request signal. Specifically, the first input module includes a power button, the power button is electrically connected to the first control module, and the power-on request signal is input by operating the power button, and the first control module outputs a wake-up control instruction according to the power-on request signal; the first wake-up module outputs a first wake-up signal according to the wake-up control instruction.
[0063] In a specific embodiment of the utility model, the wireless receiving terminal also includes a first power storage module and a wireless receiving coil; the wireless receiving coil is electrically connected to the first power storage module, the wireless receiving coil is located in the second resonant magnetic field emitted by the wireless transmitting terminal, and the wireless receiving coil generates current to charge the first power storage module. Specifically, when the wireless receiving coil receives the second resonant magnetic field emitted by the wireless transmitting terminal, the wireless receiving coil can generate an alternating current, thereby realizing automatic charging of the first power storage module.
[0064] In some embodiments, the first power storage module includes a battery.
[0065] In a specific embodiment of the utility model, the wireless transmitting terminal includes a second control module and a wireless transmitting module; the second control module is electrically connected to the second wake-up module, and the second control module outputs a wireless charging control instruction according to the second wake-up signal; the wireless transmitting module is electrically connected to the output end of the second control module, and the wireless transmitting module transmits a second resonant magnetic field according to the wireless charging control instruction. Specifically, the wireless transmitting module includes a second AC circuit and a wireless transmitting coil; the input end of the second AC circuit is electrically connected to the output end of the second control module; the wireless transmitting coil is electrically connected to the output end of the second AC circuit, and the wireless transmitting coil is used to transmit a second resonant magnetic field. The second resonant magnetic field excites the wireless receiving coil to generate an alternating current, thereby realizing wireless charging of the first power storage module.
[0066] In some embodiments, the second control module includes a power management system, which is electrically connected to the collector of the first transistor Q1. After detecting the second wake-up signal, the power management system controls the wireless transmission module to transmit the second resonant magnetic field to automatically charge the wireless receiving terminal.
[0067] It should be noted that the specific embodiment of the utility model realizes wireless charging of the wireless receiving terminal based on the magnetic coupling resonance wireless power transmission technology.
[0068] In a specific embodiment of the present utility model, the wireless receiving terminal is awakened to wake up the wireless transmitting terminal, and the wireless transmitting terminal wirelessly charges the wireless receiving terminal as follows:
[0069] like Figure 2 As shown, a first wake-up request signal is input through a first input module, specifically, a power-on request signal is input through a switch button; the first control module outputs a wake-up control instruction according to the power-on request signal; the first AC circuit outputs AC power according to the wake-up control instruction; the first wake-up coil transmits a first resonant magnetic field as a first wake-up signal;
[0070] The second wake-up coil is located in the first resonant magnetic field, receives the first wake-up signal and outputs an alternating current as a second wake-up request signal; the signal conversion circuit outputs a second wake-up signal according to the second wake-up request signal to realize the wake-up of the wireless transmitting terminal;
[0071] The second control module outputs a wireless charging control instruction according to the second wake-up signal; the second AC circuit outputs an alternating current according to the wireless charging control instruction; the wireless transmitting coil transmits a second resonant magnetic field, and the wireless receiving coil of the wireless receiving terminal is located in the second resonant magnetic field to generate alternating current to charge the first power storage module.
[0072] Combine the following Figure 5 and Figure 6 The electronic device of the utility model is described in detail. Figure 5 This is one of the structural schematic diagrams of the electronic equipment provided by the utility model; Figure 6 This is the second structural schematic diagram of the electronic equipment provided by the utility model.
[0073] like Figure 5 and Figure 6 As shown, the second aspect of the present invention provides an electronic device. The electronic device includes an electronic device body and a wireless charging system according to any of the above embodiments; the wireless charging system is connected to the electronic device body. Because the electronic device of the present invention includes the wireless charging system according to any of the above embodiments, it has at least the above advantages.
[0074] In a specific embodiment of the present utility model, the electronic device body includes a first shell 100 and a second shell 200; the first wake-up module and the wireless receiving terminal are installed in the first shell 100, the first wake-up module and the wireless receiving terminal are installed in the second shell 200, and the first shell 100 and the second shell 200 are detachably connected.
[0075] like Figure 6 As shown, in a specific embodiment of the present invention, a groove 101 is formed on a side of the first shell 100 facing the second shell 200, and the second shell 200 is disposed in the groove 101, which reduces the volume of the electronic device and is conducive to miniaturization design.
[0076] like Figure 6As shown, in a specific embodiment of the present invention, the electronic device body further includes a connector 300; the first housing 100 is detachably connected to the second housing 200 via the connector 300, thereby achieving a stable connection between the two.
[0077] Specifically, the connecting member 300 includes two first magnets and a second magnet; the first magnet and the second magnet are respectively disposed on the first shell 100 and the second shell 200 in a one-to-one correspondence, so that the first shell 100 and the second shell 200 are magnetically connected.
[0078] In some embodiments, a first coil coupling mark 102 is provided in the groove 101, and a second coil coupling mark is provided on the side of the second shell 200 facing the bottom surface of the groove 101. When the second shell 200 is installed in the groove 101, the first coil coupling mark 102 is directly opposite to the second coil coupling mark. A wireless receiving coil is provided on the back of the first coil coupling mark 101, and a wireless transmitting coil is provided on the back of the second coil coupling mark. At the same time, the second coil coupling mark also plays a fool-proof role to prevent the second shell 200 from being installed upside down.
[0079] In a specific embodiment of the present invention, the electronic device is a wireless monitor.
[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A wireless charging system, characterized in that: include: A first wake-up module, electrically connected to the wireless receiving terminal, the first wake-up module outputs a first wake-up signal according to the wake-up control instruction output by the wireless receiving terminal; The second wake-up module is electrically connected to the wireless transmitting terminal; the second wake-up module outputs a second wake-up signal according to the first wake-up signal, and the second wake-up signal is used to wake up the wireless transmitting terminal so that the wireless transmitting terminal can wirelessly charge the wireless receiving terminal.
2. The wireless charging system according to claim 1, characterized in that: The first wake-up module includes: a first AC circuit, wherein an input end of the first AC circuit is electrically connected to an output end of the wireless receiving terminal, and is used to output AC power according to the wake-up control instruction; The first wake-up coil is electrically connected to the output end of the first AC circuit to output a first resonant magnetic field as the first wake-up signal.
3. The wireless charging system according to claim 2, characterized in that: The first AC circuit comprises: a second triode, wherein a base of the second triode is electrically connected to the wireless receiving terminal, and an emitter of the second triode is grounded; a diode, wherein the anode of the diode is electrically connected to the collector of the second transistor, and the cathode of the diode is connected to a power supply; One end of the first wake-up coil is electrically connected to the anode of the diode, and the other end of the first wake-up coil is electrically connected to the cathode of the diode.
4. The wireless charging system according to claim 2, characterized in that: The second wake-up module includes: a second wake-up coil, located in the first resonant magnetic field, to output an alternating current as a second wake-up request signal according to the first wake-up signal; A signal conversion circuit, wherein the input end of the signal conversion circuit is electrically connected to the second wake-up coil, and the output end of the signal conversion circuit is electrically connected to the wireless transmitting terminal; the signal conversion circuit outputs a second wake-up signal according to the second wake-up request signal.
5. The wireless charging system according to claim 4, characterized in that: The signal conversion circuit comprises: a resistor, one end of which is electrically connected to the second wake-up coil; A first transistor, wherein the base of the first transistor is electrically connected to the other end of the resistor, the emitter of the first transistor is grounded, and the collector of the first transistor is electrically connected to the wireless transmitting terminal.
6. The wireless charging system according to any one of claims 1 to 5, characterized in that: The wireless receiving terminal comprises: A first input module, used for inputting a first wake-up request signal; The first control module is electrically connected to the first input module and the first wake-up module, and the first control module outputs the wake-up control instruction according to the first wake-up request signal.
7. The wireless charging system according to claim 5, characterized in that: The wireless receiving terminal also includes: a first power storage module; The wireless receiving coil is electrically connected to the first power storage module. The wireless receiving coil is located in a second resonant magnetic field emitted by the wireless transmitting terminal. The wireless receiving coil generates current to charge the first power storage module.
8. An electronic device, characterized in that: It comprises an electronic device body, and the wireless charging system according to any one of claims 1 to 7; the wireless charging system is connected to the electronic device body.
9. The electronic device according to claim 8, characterized in that: The electronic device body comprises: A first shell, in which the first wake-up module and the wireless receiving terminal of the wireless charging system are arranged; The second shell is detachably connected to the first shell, and the second wake-up module and the wireless transmitting terminal of the wireless charging system are arranged in the second shell.
10. The electronic device according to claim 9, characterized in that: The electronic device is a wireless monitor.