Wireless charger with refrigeration function

By introducing a cooling sub-component into the wireless charger, and utilizing a combination of a semiconductor cooling chip and a cooling fan, the problem of heat generation during wireless charging is solved, thereby improving the stability and safety of the charger.

CN224021503UActive Publication Date: 2026-03-20SHENZHEN XUHUI WEIYE ELECTRONIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

During wireless charging, the energy conversion efficiency is not 100%, which causes the charger and the device being charged to heat up, affecting charging stability and posing safety hazards.

Method used

Design a wireless charger with cooling function, including a base, circuit board, support base and mobile phone charging components. The cooling sub-component, composed of a semiconductor cooling chip and a cooling fan, transfers energy through electromagnetic induction and dissipates heat to lower the temperature.

Benefits of technology

The stability of the wireless charger has been improved by using a cooling sub-component to dissipate heat from the phone, reducing heat during the charging process and ensuring charging safety and stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224021503U_ABST
    Figure CN224021503U_ABST
Patent Text Reader

Abstract

The utility model discloses a wireless charger with a refrigeration function, which is characterized in that a base, a circuit board, a supporting seat, a first wireless charging coil, a refrigeration sub-assembly and a first magnetic attraction piece are arranged in a matched manner, when a mobile phone is charged, the first wireless charging coil adsorbs the mobile phone on a shell, and the first wireless charging coil charges the mobile phone; the refrigeration sub-assembly can dissipate heat of the first wireless charging coil, and also can achieve a certain cooling and heat dissipation effect on the mobile phone, thereby improving the stability of the wireless charger.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless charger's technical field, specifically a wireless charger with refrigeration function. BACKGROUND

[0002] Wireless charging technology is a technology that transmits energy through electromagnetic field to realize the charging of devices without physical connection. The following are its core points: transmitting energy through electromagnetic induction between transmitting coil and receiving coil. It is commonly used for charging of electronic devices such as smart phones and earphones.

[0003] With the popularity of wireless charging technology, wireless chargers have become an indispensable device in people's daily life. However, during the wireless charging process, the energy conversion efficiency is not 100%, and part of the energy is dissipated in the form of heat, causing the charger and the charged device (e.g. mobile phone) to heat up. Especially in the high-power wireless charging scenario, the heating problem is more serious, not only affecting the stability of charging, but also posing a safety hazard. SUMMARY

[0004] The utility model aims at providing a wireless charger with refrigeration function to solve the problem of unstable charging caused by heating during the charging process of the wireless charger in the background technology mentioned above.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A wireless charger with refrigeration function, comprising a base, a circuit board, a support seat and a mobile phone charging

[0007] assembly, the base is provided with a charging interface, the circuit board is installed in the base and electrically connected with the charging interface, the bottom of the support seat is fixed or detachably installed on the base, and the mobile phone charging assembly is rotatably arranged on the top of the support seat.

[0008] The mobile phone charging assembly comprises a shell, a first wireless charging coil, a refrigeration subassembly, and a first magnetic attraction element, the shell is rotatably arranged on the top of the support seat, the first magnetic attraction element is arranged on the inner edge of the shell, the refrigeration subassembly is installed in the shell, the first wireless charging coil is installed on the refrigeration subassembly, and the first wireless charging coil is electrically connected with the circuit board.

[0009] In one of the embodiments, the refrigeration subassembly comprises a semiconductor refrigeration sheet, a heat dissipation sheet and a heat dissipation fan, the heat dissipation sheet is arranged at the edge of the inner layer of the shell, the heat dissipation fan is installed in the shell and is located at the center of the heat dissipation sheet, the semiconductor refrigeration sheet is installed on the heat dissipation sheet and has a preset distance gap between the heat dissipation fan in the vertical direction, and the semiconductor refrigeration sheet and the heat dissipation fan are electrically connected to the circuit board respectively.

[0010] In one of the embodiments, the wireless charger with refrigeration function further comprises counterweights, the counterweights are two, symmetrically arranged in the base with the circuit board as the center.

[0011] In one of the embodiments, a plurality of air holes are formed on the shell.

[0012] In one of the embodiments, the shell has a panel.

[0013] In one of the embodiments, the wireless charger with refrigeration function further comprises a watch charging assembly, the watch charging assembly comprises a shell, a base, a PCB board, a second wireless charging coil and a second magnetic attraction piece, the PCB board is installed in the shell, the base is installed on the PCB board and electrically connected to the circuit board, the base is provided with a wireless charging coil accommodating groove and a magnetic attraction piece accommodating groove, the second wireless charging coil is installed in the wireless charging coil accommodating groove and electrically connected to the PCB board, and the second magnetic attraction piece is installed in the magnetic attraction piece accommodating groove.

[0014] In one of the embodiments, the wireless charger with refrigeration function further comprises an earphone box charging assembly, the earphone box charging assembly comprises a fixing piece and a third wireless charging coil, the fixing piece is installed in the base, and the third wireless charging coil is installed on the fixing piece and electrically connected to the circuit board.

[0015] In one of the embodiments, the base top surface is provided with an earphone box accommodating groove for placing the charged earphone box.

[0016] Compared with the prior art, the wireless charger with refrigeration function has the following beneficial effects:

[0017] The wireless charger with refrigeration function has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Figure 1 is a structural schematic diagram of a wireless charger with refrigeration function in the utility model;

[0019] Figure 2 Figure 2 is a structural schematic diagram of a mobile phone charging assembly of the wireless charger with refrigeration function in the utility model; Figure 1 Figure 3 is a structural schematic diagram of a refrigeration subassembly of the wireless charger with refrigeration function in the utility model;

[0020] Figure 3 Figure 4 is a structural schematic diagram of a watch charging assembly of the wireless charger with refrigeration function in the utility model; Figure 2 Figure 5 is a structural schematic diagram of an earphone box charging assembly of the wireless charger with refrigeration function in the utility model;

[0021] Figure 4 Figure 6 is a structural schematic diagram of a bottom view of the earphone box charging assembly of the wireless charger with refrigeration function in the utility model. Figure 1

[0022] Figure 5 Figure 7 is a structural schematic diagram of a bottom view of the earphone box charging assembly of the wireless charger with refrigeration function in the utility model. Figure 1

[0023] Figure 6 Figure 8 is a structural schematic diagram of a bottom view of the earphone box charging assembly of the wireless charger with refrigeration function in the utility model. Figure 1 DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings. In the following description, a lot of specific details are set forth in order to give a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0025] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or a middle element can exist simultaneously. In contrast, when an element is referred to as being "directly" connected to another element, no intermediate element exists.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] As​​​Figure 1 、 Figure 2 and Figure 3 A wireless charger with refrigeration function, comprising a base 1, a circuit board 2, a support seat 3 and a mobile phone charging assembly 5, the base 1 is provided with a charging interface 4, the circuit board 2 is installed in the base 1 and electrically connected with the charging interface 4, the bottom of the support seat 3 is fixedly or detachably installed on the base 1, and the mobile phone charging assembly 5 is rotationally arranged on the top of the support seat 3.

[0028] The mobile phone charging assembly 5 comprises a shell 51, a first wireless charging coil 52, a refrigeration subassembly 53 and a first magnetic attraction member 54, the shell 51 is rotationally arranged on the top of the support seat 3, the first magnetic attraction member 54 is arranged on the inner edge of the shell 51, the refrigeration subassembly 53 is installed in the shell 51, and the first wireless charging coil 52 is installed on the refrigeration subassembly 53 and electrically connected with the circuit board 2.

[0029] The refrigeration subassembly 53 comprises a semiconductor refrigeration sheet 531, a heat dissipation sheet 532 and a heat dissipation fan 533, the heat dissipation sheet 532 is arranged on the inner edge of the shell 51, the heat dissipation fan 533 is installed in the shell 51 and located at the central position of the heat dissipation sheet 532, and the semiconductor refrigeration sheet 531 is installed on the heat dissipation sheet 532 and has a preset gap in the vertical direction with the heat dissipation fan 533, and the semiconductor refrigeration sheet 531 and the heat dissipation fan 533 are electrically connected with the circuit board 2 respectively.

[0030] The charging interface 4 is connected with an external power supply, and the first wireless charging coil 52, the semiconductor refrigeration sheet 531 and the heat dissipation fan 533 are powered through the circuit board 2. The mobile phone charging assembly 5 is rotationally arranged on the top of the support seat 3, and the charging angle can be adjusted by rotating the mobile phone charging assembly 5. The semiconductor refrigeration sheet 531 is based on the Peltier effect, when direct current passes through an electric couple composed of two different semiconductor materials, one end absorbs heat (refrigeration) and the other end releases heat (heat dissipation). The shell 51 is provided with a panel 512, and a plurality of air holes 511 are formed in the shell 51.

[0031] When charging the mobile phone, the mobile phone is placed on the panel 512 and is attracted to the panel 512 by the first magnetic attraction member 54, the first wireless charging coil 52 generates an alternating magnetic field, the mobile phone receiving coil induces a current, and the mobile phone battery is charged; at this time, the refrigeration subassembly 53 is started, the semiconductor refrigeration sheet 531 absorbs the heat generated by the first wireless charging coil 52 and conducts the heat to the heat dissipation sheet 532 for heat dissipation, and the heat dissipation fan 533 blows away the heat absorbed by the semiconductor refrigeration sheet 531, so that the first wireless charging coil 52 can be quickly cooled, and the heat is quickly dissipated through the air holes 511 in the shell 51.

[0032] Thus, the wireless charger with refrigeration function, through the cooperation of the base 1, the circuit board 2, the support seat 3, the first wireless charging coil 52, the refrigeration subassembly 53 and the first magnetic attraction member 54, when the mobile phone is charged, the first wireless charging coil 52 adsorbs the mobile phone on the shell 51, the first wireless charging coil 52 charges the mobile phone, the refrigeration subassembly 53 can dissipate heat for the first wireless charging coil 52, and also can play a certain cooling and heat dissipation effect on the mobile phone, thereby improving the stability of the wireless charger.

[0033] In one of the embodiments, in order to make the wireless charger more stable, the wireless charger with refrigeration function further comprises counterweight blocks 6, which are two, symmetrically arranged in the base 1 with the circuit board 2 as the center.

[0034] Thus, through the arrangement of the counterweight blocks 6, the weight of the base 1 can be increased, so as to avoid the wireless charger from falling down due to the weight when the mobile phone or watch is charged, and ensure the smooth progress of the charging process.

[0035] As shown in Figure 4 In one of the embodiments, the wireless charger with refrigeration function further comprises a watch charging assembly 7, which comprises a shell 71, a base 72, a PCB board 73, a second wireless charging coil 74 and a second magnetic attraction member 75. The PCB board 73 is installed in the shell 71, the base 72 is installed on the PCB board 73 and electrically connected with the circuit board 2, the base 72 is provided with a wireless charging coil accommodating groove 721 and a magnetic attraction member accommodating groove 722, the second wireless charging coil 74 is installed in the wireless charging coil accommodating groove 721 and electrically connected with the PCB board 73, and the second magnetic attraction member 75 is installed in the magnetic attraction member accommodating groove 722.

[0036] Thus, when the watch is charged, the watch is placed on the shell 71, the second magnetic attraction member 75 adsorbs the watch on the shell 71, the second wireless charging coil 74 generates an alternating magnetic field, the watch receiving coil induces a current, and the watch battery is charged, so that the function of the wireless charger is more abundant.

[0037] As shown in Figure 5 and Figure 6 In one of the embodiments, the wireless charger with refrigeration function further comprises an earphone box charging assembly 8, which comprises a fixing member 81 and a third wireless charging coil 82. The fixing member 81 is installed in the base 1, the third wireless charging coil 82 is installed on the fixing member 81 and electrically connected with the circuit board 2, and the top surface of the base 1 is provided with an earphone box accommodating groove 11 for placing the charged earphone box.

[0038] In this way, when the earphone box needs to be charged, the earphone box is placed in the earphone box accommodating groove 11, the third wireless charging coil 82 generates an alternating magnetic field, and the earphone box receiving coil induces a current to charge the battery in the earphone box.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, equivalent replacement or change, should be covered within the protection scope of the present application.

Claims

1. A wireless charger with a cooling function, characterized in that: The device includes a base, a circuit board support, and a mobile phone charging assembly. The base has a charging interface, and the circuit board is installed inside the base and electrically connected to the charging interface. The bottom of the support is fixedly or detachably installed on the base, and the mobile phone charging assembly is rotatably mounted on the top of the support. The mobile phone charging assembly includes a housing, a first wireless charging coil, a cooling sub-assembly, and a first magnetic accommodating element. The housing is rotatably mounted on the top of the support, the first magnetic accommodating element is located on the inner edge of the housing, the cooling sub-assembly is installed inside the housing, the first wireless charging coil is installed on the cooling sub-assembly, and the first wireless charging coil is electrically connected to the circuit board.

2. A wireless charger with cooling function according to claim 1, characterized in that, The cooling sub-assembly includes a thermoelectric cooler, a heat sink, and a cooling fan. The heat sink is disposed on the inner edge of the housing. The cooling fan is installed inside the housing and located at the center of the heat sink. The thermoelectric cooler is mounted on the heat sink and has a predetermined gap between it and the cooling fan in the vertical direction. The thermoelectric cooler and the cooling fan are electrically connected to the circuit board.

3. A wireless charger with cooling function according to claim 1, characterized in that, The wireless charger with cooling function also includes two counterweights, which are symmetrically arranged in the base with the circuit board as the center.

4. A wireless charger with cooling function according to claim 1, characterized in that, The shell has several ventilation holes.

5. A wireless charger with cooling function according to claim 1, characterized in that, The housing has a panel.

6. A wireless charger with cooling function according to claim 1, characterized in that, The wireless charger with cooling function also includes a watch charging component, which includes a shell, a base, a PCB board, a second wireless charging coil, and a second magnetic component. The PCB board is installed inside the shell, and the base is installed on the PCB board and electrically connected to the circuit board. The base has a wireless charging coil receiving slot and a magnetic component receiving slot. The second wireless charging coil is installed in the wireless charging coil receiving slot and electrically connected to the PCB board, and the second magnetic component is installed in the magnetic component receiving slot.

7. A wireless charger with cooling function according to claim 1, characterized in that, The wireless charger with cooling function also includes an earphone case charging assembly, which includes a fixing member and a third wireless charging coil. The fixing member is installed inside the base, and the third wireless charging coil is installed on the fixing member and electrically connected to the circuit board.

8. A wireless charger with cooling function according to claim 7, characterized in that, The top surface of the base has an earphone case receiving slot for placing a charging earphone case.