Wireless charging device
By introducing a combination of heat-conducting components and cooling modules into the wireless charging device, the problem of heat dissipation in the wireless charging device is solved, achieving effective heat dissipation for the terminal device and improving charging efficiency and safety.
Patent Information
- Application Number
- CN202423032661.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing wireless charging devices cannot effectively dissipate heat when charging terminal devices, resulting in reduced charging efficiency and potential safety hazards.
The device employs a structural design that includes a housing, a first heat-conducting component, a wireless charging module, and a cooling module. The first heat-conducting component carries the terminal device and transfers heat to the second heat-conducting component. The cooling component dissipates heat and lowers the temperature, while the air outlet exhausts the heat, thus achieving effective heat dissipation for the terminal device.
It effectively reduces the temperature of terminal devices, improves charging efficiency, extends device battery life, and ensures the safety of the charging process.
Smart Images
Figure CN223625637U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wireless charging technology, and in particular to a wireless charging device. Background Technology
[0002] With the development of technology, vehicles are equipped with wireless charging devices to meet the needs of drivers and passengers to charge mobile devices such as mobile phones while driving.
[0003] When using a wireless charging device, both the wireless charging device and the terminal device being charged will generate heat. In order to ensure charging efficiency and device safety, heat dissipation is necessary.
[0004] However, existing wireless charging devices rely on heat dissipation for the charging coil. As a result, the heat generated by the terminal device during charging cannot be dissipated in time, which affects charging efficiency and poses safety hazards. Utility Model Content
[0005] An embodiment of this utility model provides a wireless charging device to solve the problem that wireless charging devices cannot dissipate heat from the powered device.
[0006] To achieve the above objectives, the embodiments of this utility model adopt the following technical solutions:
[0007] This application provides a wireless charging device, which includes a housing, a first heat-conducting component, a wireless charging module, and a cooling module. The housing has a mounting cavity and a clearance notch communicating with the mounting cavity. The first heat-conducting component is located at the clearance notch and connected to the housing, serving to support the receiving device. The wireless charging module is located within the mounting cavity and is positioned opposite the first heat-conducting component. The cooling module, also located within the mounting cavity, includes a cooling component and a second heat-conducting component. The cooling component is located on the side of the wireless charging module furthest from the first heat-conducting component and is used to absorb heat from the wireless charging module. The second heat-conducting component is located between the first heat-conducting component and the cooling component, with one side contacting the first heat-conducting component and the other side contacting the cooling component. Additionally, the housing has an air outlet.
[0008] In this way, when the receiving device is placed on the first heat-conducting component, the first heat-conducting component can support the receiving device, allowing the wireless charging module located below the first heat-conducting component to charge the receiving device. Simultaneously, the first heat-conducting component can absorb the heat generated by the receiving device during charging. Furthermore, the second heat-conducting component, which is in contact with the first heat-conducting component, can absorb the heat from the first heat-conducting component and conduct it to the cooling component, causing the cooling component to cool the second heat-conducting component. This achieves heat dissipation and cooling of the receiving device. At the same time, the cooling component can also cool the wireless charging module. The air vents on the housing allow air inside the housing to flow out to the outside, thereby carrying some of the heat from inside the housing to the outside, contributing to heat dissipation.
[0009] In some embodiments, the wireless charging module includes a charging coil and a magnetic ring, wherein the magnetic ring is disposed on the outside of the charging coil. A second heat-conducting element is disposed along the circumference of the charging coil and is located between the charging coil and the magnetic ring.
[0010] In some embodiments, the cooling component includes a thermoelectric chip and a heat sink. The thermoelectric chip has a cold end and a hot end disposed opposite to each other, with the cold end disposed close to the wireless charging module and the hot end disposed away from the wireless charging module. The heat sink is disposed close to the hot end. The area of the thermoelectric chip's outline is larger than the area of the wireless charging module's outline.
[0011] In some embodiments, the heat sink includes a heat sink component and a fan, wherein the heat sink component is disposed on the side of the cooling component away from the wireless charging module, and the heat sink component is used to absorb heat from the cooling component. The fan is disposed on the side of the heat sink component away from the cooling component.
[0012] In some embodiments, the heat sink has fins on the side facing away from the cooling module.
[0013] In some embodiments, there are multiple fins, and an air guide groove is formed between two adjacent fins, which is connected to the air outlet.
[0014] In some embodiments, the second thermally conductive element is made of thermally conductive silicone.
[0015] In some embodiments, the second heat-conducting element is made of a non-ferromagnetic metal.
[0016] In some embodiments, the semiconductor cooler and the wireless charging module are positioned facing each other.
[0017] In some embodiments, the second heat-conducting element includes a plurality of sub-heat-conducting elements, which are spaced apart along the outer periphery of the charging coil between the magnetic ring and the charging coil.
[0018] In some embodiments, the second heat-conducting element is annular and is disposed between the magnetic ring and the charging coil along the outer periphery of the charging coil.
[0019] In some embodiments, the wireless charging device further includes a foreign object detection component, comprising a first substrate and a second substrate. The first substrate is disposed within the mounting cavity and is used to detect foreign objects. The second substrate is disposed within the mounting cavity and is used to supply power to the first substrate. Attached Figure Description
[0020] Figure 1 A schematic diagram of a wireless charging device provided in an embodiment of this application;
[0021] Figure 2 for Figure 1 Exploded view of a wireless charging device in China;
[0022] Figure 3 for Figure 1 One of the cross-sectional views of a wireless charging device in China;
[0023] Figure 4 for Figure 1 Second cross-sectional view of a wireless charging device;
[0024] Figure 5 for Figure 1 Enlarged view of point a in the middle;
[0025] Figure 6 One of the schematic diagrams of the second heat-conducting element provided in the embodiments of this application;
[0026] Figure 7 A second schematic diagram of the second heat-conducting component provided in an embodiment of this application;
[0027] Figure 8 for Figure 3 Enlarged view at point b;
[0028] Figure 9 A schematic diagram of a thermoelectric chip provided in an embodiment of this application;
[0029] Figure 10 for Figure 1 A schematic diagram of airflow inside a wireless charging device.
[0030] Figure 11 This is a schematic diagram of a heat sink provided in an embodiment of this application.
[0031] Figure label:
[0032] Wireless charging device-100;
[0033] Housing-1; Top plate-101; Bottom plate-102; Mounting cavity-10; Circumvention notch-11; Air outlet-1000; Air inlet-1001;
[0034] First thermal conductive component-2; Double-sided adhesive-200;
[0035] Wireless charging module-3; Charging coil-31; Magnetic ring-32;
[0036] Refrigeration module-4; Refrigeration component-41; Thermoelectric chip-411; Cold end-4111; Hot end-4112; Second heat conductor-42; Sub-heat conductor-420; Heat sink-412; Heat sink component-4121; Fins-41210; Air duct-4000; Fan-4122;
[0037] Foreign object detection component-500; first substrate-501; second substrate-502. Detailed Implementation
[0038] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0039] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0040] 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, unless otherwise stated, "a plurality of" means two or more.
[0041] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0042] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.
[0043] To meet the needs of drivers and passengers to charge mobile devices such as smartphones while driving, existing vehicles are typically equipped with wireless charging devices. During the charging process, the charging coil of the wireless charging device in the vehicle generates heat, and the mobile device also generates heat. Excessive heat can affect charging efficiency.
[0044] For ease of explanation, the following mobile terminal examples will all use mobile phones as an example.
[0045] However, the heat generated by the phone was not dissipated. Overheating during charging affects both charging efficiency and battery lifespan.
[0046] In this context, to address the issue of wireless charging devices failing to dissipate heat from mobile phones while charging, this application provides a wireless charging device, such as... Figure 1 As shown, Figure 1 A schematic diagram of a wireless charging device 100 provided in this application.
[0047] like Figure 2 As shown, the wireless charging device 100 provided in this application includes a housing 1, and the interior of the housing 1 is provided with a mounting cavity 10, which is used to accommodate other components of the wireless charging device 100.
[0048] The wireless charging device 100 provided in this application also includes a first heat-conducting element 2. The housing 1 has a clearance notch 11 communicating with the mounting cavity 10. The first heat-conducting element 2 is disposed at the clearance notch 11 on the housing 1 and is connected to the housing 1. The first heat-conducting element 2 is used to support the receiving device, i.e., a mobile terminal such as a mobile phone, or other devices that require charging.
[0049] In some embodiments, the first heat-conducting element 2 and the housing 1 can be bonded together using double-sided adhesive 200.
[0050] The wireless charging device 100 provided in this application also includes a wireless charging module 3, which is disposed within the mounting cavity 10 and is positioned opposite to the first heat-conducting element 2. In this way, when the mobile phone is placed on the first heat-conducting element 2, the wireless charging module 3, positioned opposite to the first heat-conducting element 2, can generate an alternating magnetic field. The receiving coil in the mobile phone senses the alternating magnetic field and generates an induced current, thereby charging the mobile phone battery.
[0051] Based on this, the wireless charging device 100 provided in this application also includes a cooling module 4, which is disposed in the mounting cavity 10 and is used to dissipate heat and cool the wireless charging module 3. The cooling module 4 includes a cooling component 41 and a second heat-conducting component 42, wherein the cooling component 41 is disposed on the side of the wireless charging module 3 away from the first heat-conducting component 2, and the cooling component 41 is used to absorb the heat of the wireless charging module 3.
[0052] like Figure 3 As shown, the second heat-conducting element 42 is disposed between the first heat-conducting element 2 and the cooling component 41, with one side of the second heat-conducting element 42 in contact with the first heat-conducting element 2 and the other side of the second heat-conducting element 42 in contact with the cooling component 41. For example, the second heat-conducting element 42 can be disposed on one side of the wireless charging module 3, ensuring that the second heat-conducting element 42 can contact the first heat-conducting element 2 and the cooling component 41.
[0053] In this way, the heat generated by the phone during charging can be transferred to the second heat-conducting element 42 through the first heat-conducting element 2. The heat from the second heat-conducting element 42, which is in contact with the cooling component 41, can then be absorbed by the cooling component 41, thereby cooling the phone and preventing it from overheating, which helps extend the phone's battery life. This solves the problem that the wireless charging device 100 cannot dissipate heat from the receiving device during charging.
[0054] Furthermore, it should be noted that the aforementioned first heat-conducting element 2 can be made of microcrystalline materials, such as microcrystalline glass or microcrystalline ceramics. For example, the first heat-conducting element 2 can be made of microcrystalline glass. The first heat-conducting element 2 made of microcrystalline glass has good thermal conductivity and can quickly transfer heat, so that the heat generated by the mobile phone can be quickly transferred to the first heat-conducting element 2. At the same time, the first heat-conducting element 2 made of microcrystalline glass also has the characteristics of high temperature resistance, high mechanical strength, and smooth surface that is easy to clean.
[0055] Alternatively, the first heat-conducting element 2 can also be made of other highly thermally conductive non-magnetic materials, such as alumina ceramic, silicon carbide, or graphene composite materials. The first heat-conducting element 2 can also be made of a non-magnetic metal, such as copper or aluminum. This ensures that the first heat-conducting element 2 has good thermal conductivity and does not interfere with the alternating magnetic field generated by the wireless charging module 3, ensuring that the wireless charging module 3 can charge the receiving device.
[0056] In addition, see Figure 4 The housing 1 is also provided with an air outlet 1000, which is connected to the mounting cavity 10. In this way, when the air inside the housing 1 flows out from the air outlet 1000, it can also carry some heat out to the outside of the mounting cavity 10, thus achieving the effect of heat dissipation.
[0057] like Figure 4As shown, in some embodiments of this application, the housing 1 provided in this application may include a top plate 101 and a bottom plate 102. The top plate 101 is provided with an avoidance notch 11 and an air outlet 1000. The bottom plate 102 is connected to the top plate 101 to form an installation cavity 10, and the bottom plate 102 is also provided with an air outlet 1000.
[0058] See Figure 2 The wireless charging device 100 provided in this application also includes a foreign object detection component 500, which includes a first substrate 501 and a second substrate 502. The first substrate 501 is disposed within the mounting cavity 10 and located below the first heat-conducting member 2. The first substrate 501 is used to detect foreign objects such as bank cards and access cards within the charging area, i.e., within the area of the first heat-conducting member 2. The second substrate 502 is used to supply power to the first substrate 501 so that the first substrate 501 can detect foreign objects. Furthermore, an alarm may be included, which will sound a warning when the first substrate 501 detects the presence of a foreign object.
[0059] In this way, foreign object detection component 500 can detect foreign objects. If items containing magnetic strips or near-field communication chips, such as bank cards or access cards, are present, an alarm can be triggered to prompt the user to move them, thus preventing damage to the bank cards or access cards. At the same time, such foreign objects can prevent them from interfering with the wireless charging module 3's charging of the receiving device.
[0060] like Figure 5 As shown, the wireless charging module 3 provided in this application mainly includes a charging coil 31 and a magnetic ring 32. The magnetic ring 32 is located outside the charging coil 31. In this way, the magnetic ring 32 can concentrate and guide the magnetic field, reduce electromagnetic interference, and improve the coupling coefficient, thereby improving the efficiency and performance of the wireless charging module 3.
[0061] Based on this, see Figure 6 In some embodiments of this application, the second heat-conducting element 42 is arranged along the circumference of the charging coil 31, and the second heat-conducting element 42 is located between the charging coil 31 and the magnetic ring 32.
[0062] In this way, the first heat conductor 2 transfers the heat of the mobile phone to the second heat conductor 42 and is absorbed by the cooling component 41 in contact with the second heat conductor 42. Since the second heat conductor 42 is arranged along the circumference of the charging coil 31 and is located between the charging coil 31 and the magnetic ring 32, some of the heat generated when the charging coil 31 is working can also be transferred to the second heat conductor 42, and then absorbed by the cooling component 41 in contact with the second heat conductor 42. This can further enhance the heat dissipation effect on the charging coil 31.
[0063] like Figure 6As shown, in some embodiments, the second heat-conducting element 42 disposed between the charging coil 31 and the magnetic ring 32 may be disposed at a distance from the charging coil 31.
[0064] In some embodiments, the second heat-conducting element 42 disposed between the charging coil 31 and the magnetic ring 32 can also contact the charging coil 31. Direct contact between the second heat-conducting element 42 and the charging coil 31 can reduce thermal resistance and better absorb the heat generated by the charging coil 31, thereby achieving a better cooling and heat dissipation effect.
[0065] In some embodiments of this application, such as Figure 6 As shown, the second heat-conducting element 42 may include multiple sub-heat-conducting elements 420. These sub-heat-conducting elements 420 are spaced apart along the outer periphery of the charging coil 31, allowing for more flexible placement on the outer periphery. This way, some of the heat generated during the operation of the charging coil 31 can be transferred to the multiple sub-heat-conducting elements 420 located on its outer periphery, enabling better dissipation of the heat generated during charging and thus ensuring charging efficiency.
[0066] In some embodiments of this application, such as Figure 7 As shown, the second heat-conducting element 42 can also be a ring-shaped structure. Based on this, the ring-shaped second heat-conducting element 42 is disposed between the magnetic ring 32 and the charging coil 31 along the outer periphery of the charging coil 31. When the second heat-conducting element 42 is a ring-shaped structure, the contact area between the second heat-conducting element 42 and the charging coil 31 can be effectively increased, thereby better absorbing the heat generated by the charging coil 31. In this way, some of the heat generated by the ring-shaped charging coil 31 during operation can also be transferred to the second heat-conducting element 42 disposed on its outer periphery, allowing the heat generated by the charging coil 31 during charging to be better dissipated, thus ensuring charging efficiency.
[0067] In some embodiments of this application, the second heat-conducting element 42 can be made of thermally conductive silicone. Thermally conductive silicone has excellent thermal conductivity, effectively transferring the heat generated by the charging coil 31 to the cooling component 41, allowing the cooling component 41 to better dissipate heat from the charging coil 31. Thermally conductive silicone is soft and malleable, effectively filling irregular surfaces and gaps, reducing thermal resistance and improving thermal conductivity. Therefore, the second heat-conducting element 42 made of thermally conductive silicone can effectively fill the space between the charging coil 31 and the magnetic ring 32, allowing the heat generated by the charging coil 31 to be better conducted outside the charging coil 31.
[0068] The second heat-conducting element 42 can also be made of a non-ferromagnetic material, such as metallic copper or metallic aluminum. Or other non-metallic materials, such as microcrystalline glass, silicon carbide, or other materials with high thermal conductivity. Or other materials with high thermal conductivity, which are non-magnetic, will not generate eddy current effects or shielding effects, will not interfere with the alternating magnetic field generated by the wireless charging coil, and will ensure that the wireless charging efficiency and performance are not affected.
[0069] In some embodiments of this application, such as Figure 2 As shown, the cooling component 41 mainly includes a thermoelectric chip 411. (See also...) Figure 8 The thermoelectric chip 411 has a cold end 4111 and a hot end 4112 positioned opposite each other. The cold end 4111 is located closer to the wireless charging module 3, while the hot end 4112 is located away from the charging module 3. In this way, the cold end 4111 of the thermoelectric chip 411 can absorb heat from the second heat-conducting element 42, as well as heat generated by the wireless charging module 3 in contact with the thermoelectric chip 411, thereby cooling the wireless charging module 3 and the mobile phone.
[0070] Based on this, see Figure 2 The cooling assembly 41 also includes a heat sink 412 disposed near the hot end 4112 of the thermoelectric chip 411. The heat sink 412 is used to remove heat from the hot end 4112 of the thermoelectric chip 411, so that heat does not accumulate at the hot end 4112 of the thermoelectric chip 411, thus ensuring heat dissipation efficiency.
[0071] In addition, to ensure the thermoelectric chip 411 functions properly, the cooling assembly 41 also includes a control circuit and a power supply. The control circuit uses a thermostat to monitor and regulate the temperature, ensuring the thermoelectric chip operates within a set temperature range. The power supply provides a stable DC power supply to ensure the thermoelectric chip functions correctly.
[0072] Furthermore, it should be noted that the area of the outline of the thermoelectric chip 411 is larger than the area of the outline of the charging coil 31. See also... Figure 9 In the direction perpendicular to the thermoelectric chip 411, the area of the projected outline of the thermoelectric chip 411 on the base plate 102 is larger than the area of the projected outline of the charging coil 31 on the base plate 102. This ensures that the thermoelectric chip 411 completely covers the charging coil 31, and consequently, the cold end 4111 of the thermoelectric chip 411 completely covers the charging coil 31, ensuring sufficient contact between the cold end 4111 and the charging coil 31, thus guaranteeing good heat dissipation.
[0073] It should be noted that the cooling component 41 provided in this application can also be of other forms. For example, heat pipe heat dissipation, which utilizes the evaporation of the working fluid inside the heat pipe to absorb heat and cool the wireless charging module.
[0074] like Figure 2 As shown, the aforementioned heat sink 412 may include a heat sink 4121 and a fan 4122. The heat sink 4121 is located on the side of the cooling assembly 41 facing away from the wireless charging module 3. The heat sink 4121 absorbs heat from the cooling assembly 41, specifically from the hot end 4112 of the thermoelectric chip 411. The fan 4122 is located on the side of the heat sink 4121 facing away from the cooling assembly 41. The fan 4122 forces airflow, causing air within the mounting cavity 10 of the housing 1 to flow out through the air outlet 1000. This airflow transfers heat from the heat sink 4121 to the outside of the housing 1, achieving cooling of the heat sink 4121.
[0075] In addition, such as Figure 2 As shown, an air inlet 1001 is also provided on the base plate 102 at a position corresponding to the fan 4122. In this way, when the fan 4122 is working, the relatively cool air outside the housing 1 can be drawn into the housing 1 through the air inlet 1001. After the relatively cool air enters the housing 1, it can carry away the heat inside the housing 1, and then flow out to the outside of the housing 1 through the air outlet 1000.
[0076] It should be noted that the above-mentioned fan 4122 can be a centrifugal fan or an axial fan.
[0077] It should be noted that the shell 1 is not a sealed structure; there are gaps between the top plate 101 and the bottom plate 102 of the shell 1, and there are also gaps between the first heat-conducting component and the top plate 101. Figure 10 As shown, when the fan 4122 is working and forces airflow, causing the air in the housing 1 to flow out from the air outlet 1000, the air outside the housing 1 will be replenished into the housing 1 through various gaps. When the air outside the housing 1 enters the housing 1, the temperature of the air outside the housing 1 is relatively low. When this part of the lower temperature air flows through the first heat-conducting component 2, the wireless charging module 3 and other components located inside the housing 1, the lower temperature air can carry away some heat and play a certain cooling role.
[0078] In some embodiments of this application, such as Figure 11As shown, the heat sink 4121 is also provided with fins 41210 on the side away from the cooling module 4. The fins 41210 can increase the contact area between the heat sink 4121 and the air. When the fan 4122 forces the air to flow and removes the heat from the heat sink 4121, the heat sink 4121 removes more heat by contacting more air with the fins 41210.
[0079] like Figure 11 As shown, there can be multiple fins 41210. An air guide groove 4000 is formed between two adjacent fins 41210. The air guide groove 4000 is connected to the air outlets 1000 provided on the top plate 101 and the bottom plate 102. Thus, one end of the air guide groove 4000 is close to the fan 4122, and the other end is close to and connected to the air outlet 1000. When the fan 4122 operates and forces airflow, air can flow along the air guide groove 4000 under the guidance of the fins 41210 and flow out from the air outlets 1000 provided on the top plate 101 and the bottom plate 102 (see...). Figure 10 In this way, the air guide groove allows air to be discharged more smoothly from the mounting cavity 10, improving heat dissipation efficiency.
[0080] In some embodiments of this application, the thermoelectric chip 411 is positioned directly opposite the wireless charging module 3. This allows for better heat dissipation from the thermoelectric chip. Compared to positioning it at a distance from the thermoelectric chip, this arrangement allows for better absorption of the heat generated by the thermoelectric chip.
[0081] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A wireless charging device, characterized in that, The wireless charging device includes: The housing has an internal mounting cavity, a clearance notch communicating with the mounting cavity, and an air outlet. A first heat-conducting element is disposed at the clearance notch and connected to the housing. The first heat-conducting element is used to support the power receiving device. A wireless charging module is disposed within the mounting cavity and is positioned opposite to the first heat-conducting component. A cooling module, wherein the cooling module is disposed within the mounting cavity, includes: A cooling component is disposed on the side of the wireless charging module away from the first heat-conducting element, and the cooling component is used to absorb the heat of the wireless charging module. A second heat-conducting element is disposed between the first heat-conducting element and the refrigeration component. One side of the second heat-conducting element is in contact with the first heat-conducting element, and the other side is in contact with the refrigeration component.
2. The wireless charging device according to claim 1, characterized in that, The wireless charging module includes: Charging coil; A magnetic ring, wherein the magnetic ring is disposed on the outside of the charging coil; The second heat-conducting element is arranged along the circumference of the charging coil, and the second heat-conducting element is located between the charging coil and the magnetic ring.
3. The wireless charging device according to claim 2, characterized in that, The cooling component includes: A thermoelectric chip having a cold end and a hot end disposed opposite to each other, the cold end being disposed close to the wireless charging module and the hot end being disposed away from the wireless charging module; The heat sink is positioned close to the hot end; The area of the thermoelectric chip's outline is larger than the area of the charging coil's outline.
4. The wireless charging device according to claim 3, characterized in that, The heat sink includes: A heat sink is provided on the side of the cooling component away from the wireless charging module, and the heat sink is used to absorb the heat of the cooling component. A fan is located on the side of the heat sink that is away from the cooling component.
5. The wireless charging device according to claim 4, characterized in that, The heat sink has fins on the side opposite to the cooling module.
6. The wireless charging device according to claim 5, characterized in that, The number of fins is multiple, and an air guide groove is formed between two adjacent fins. The air guide groove is connected to the air outlet.
7. The wireless charging device according to claim 1, characterized in that, The second thermally conductive element is made of thermally conductive silicone. or, The second heat-conducting element is made of a non-ferromagnetic metal.
8. The wireless charging device according to claim 3, characterized in that, The thermoelectric chip is positioned directly opposite the wireless charging module.
9. The wireless charging device according to claim 2, characterized in that, The second heat-conducting element includes a plurality of sub-heat-conducting elements, which are spaced apart along the outer periphery of the charging coil between the magnetic ring and the charging coil; or, The second heat-conducting element is ring-shaped and is disposed between the magnetic ring and the charging coil along the outer periphery of the charging coil.
10. The wireless charging device according to claim 1, characterized in that, The wireless charging device also includes: Foreign object detection components, including: A first substrate is disposed within the mounting cavity for detecting foreign objects; The second substrate is disposed within the mounting cavity and is used to supply power to the first substrate.