A remote charging hair clipper
Patent Information
- Application Number
- CN202521977231.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-09-15
AI Technical Summary
有线充电需要频繁插拔充电线，存在接口磨损、进水风险以及使用不便等问题；而接触式充电则要求理发器与充电底座保持精确的物理接触，充电位置受限，且金属触点长期使用后可能存在氧化、接触不良等隐患
[0011]本实用新型同背景技术相比存在的效果是：理发器通过采用磁共振无线充电原理以及配合导引单元使用，有效增大了无线充电的有效距离和空间自由度。用户无需精确对准充电座，即可实现“随放随充”，甚至在一定距离内进行隔空充电，极大提升了充电体验的便捷性。
Smart Images
Figure CN224843244U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hair clippers, and in particular to a long-distance charging hair clipper. Background Technology
[0002] With the improvement of living standards and the increase in personal care needs, electric hair clippers have become a common tool for daily hair cutting at home. Traditional electric hair clippers usually use wired charging or contact charging bases for charging. Wired charging requires frequent plugging and unplugging of the charging cable, which poses problems such as interface wear, water damage risk, and inconvenience in use; while contact charging requires the hair clipper to maintain precise physical contact with the charging base, which limits the charging position, and the metal contacts may suffer from oxidation and poor contact after long-term use. Utility Model Content
[0003] The purpose of this invention is to overcome the above-mentioned problems. We provide a long-distance charging hair clipper that can be charged over a long distance, allowing users to enjoy the practical experience of charging anytime, anywhere.
[0004] To achieve the above objectives, this utility model provides a long-distance charging hair clipper, which includes a hair clipper body, a charging transmitting coil, a charging receiving coil, and a guide unit. The hair clipper body contains a battery and a control motherboard. The control motherboard is electrically connected to the battery and the charging receiving coil. The charging transmitting coil and the charging receiving coil are matched and charged according to the principle of magnetic resonance wireless charging. The guide unit can be used to receive the magnetic field of the charging transmitting coil and retransmit it to the charging receiving coil. The control motherboard is equipped with a rectifier circuit, which rectifies the induced current generated by the charging receiving coil to charge the battery.
[0005] In one or more embodiments, a temperature sensor is provided inside the hair clipper body. The temperature sensor is electrically connected to the control motherboard and is used to monitor the temperature of the charging receiving coil and the battery.
[0006] In one or more embodiments, the hair clipper body is provided with a metal foreign object detector, which is electrically connected to the control motherboard. The metal foreign object detector is used to detect whether there is metal between the charging transmitting coil and the charging receiving coil.
[0007] In one or more embodiments, the control motherboard is provided with a power regulation unit, which controls the charging power based on the battery charge, the temperature detected by the temperature sensor, and the detection signal of the metal foreign object detector.
[0008] In one or more embodiments, the hair clipper body is equipped with a base, a first contact charging structure is provided on the base, a second contact charging structure connected to the first contact charging structure is provided at the bottom of the hair clipper body, and a connecting wire is connected to the outside of the base, the connecting wire being electrically connected to the first contact charging structure.
[0009] In one or more embodiments, the upper end of the base is provided with a recessed insertion cavity, and a first contact charging structure is provided on the bottom surface of the insertion cavity. The insertion cavity can be connected to the bottom of the hair clipper body.
[0010] In one or more embodiments, magnetic suction portions are provided on the left and right sides of the base.
[0011] Compared with the prior art, the advantages of this invention are: by adopting the magnetic resonance wireless charging principle and using a guide unit, the effective distance and spatial freedom of wireless charging are effectively increased. Users do not need to precisely align the charging base to achieve "place and charge as needed," and can even charge remotely within a certain distance, greatly improving the convenience of the charging experience. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the hair clipper according to an embodiment of the present invention; Figure 2 for Figure 1 A structural diagram from another angle; Figure 3 This is a block diagram showing the connection of the various electronic components that enable the wireless charging technology of this utility model. Detailed Implementation
[0013] To enhance understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. These embodiments are only used to explain the present utility model and do not constitute a limitation on the scope of protection of the present utility model.
[0014] Please refer to Figure 1-3This utility model provides a long-distance charging hair clipper, which includes a hair clipper body 1, a charging transmitting coil 2, a charging receiving coil 3, and a guiding unit 4. The guiding unit 4 can specifically be a relay coil. The hair clipper body 1 is equipped with a storage battery 5 and a control motherboard 6. The control motherboard 6 is electrically connected to the storage battery 5 and the charging receiving coil 3. The charging transmitting coil 2 and the charging receiving coil 3 are matched and charged according to the principle of magnetic resonance wireless charging. The guiding unit 4 can be used to receive the magnetic field of the charging transmitting coil 2 and retransmit it to the charging receiving coil 3. The control motherboard 6 is equipped with a rectifier circuit 7. The rectifier circuit 7 rectifies the induced current generated by the charging receiving coil 3 to charge the storage battery 5. It adopts magnetic resonance wireless charging technology, and with the guidance unit to enhance and guide the magnetic field, it significantly improves the effective distance and spatial freedom of wireless charging. Users do not need to place the hair clipper precisely to achieve "place and charge", which greatly improves the convenience and user experience.
[0015] The hair clipper body 1 is equipped with a temperature sensor 8, which is electrically connected to the control motherboard 6. The temperature sensor 8 is used to monitor the temperature of the charging receiving coil 3 and the storage battery 5. By setting the temperature sensor 8 to monitor the temperature of the charging receiving coil 3 and the storage battery 5 in real time, the equipment damage or safety hazards caused by overheating during the charging process can be effectively prevented, thereby improving the safety and reliability of the charging process.
[0016] The main body 1 of the hair clipper is equipped with a metal foreign object detector 9, which is electrically connected to the control motherboard 6. The metal foreign object detector 9 is used to detect whether there is metal between the charging transmitting coil 2 and the charging receiving coil 3. The introduction of the metal foreign object detector 9 can effectively identify whether there is metal foreign object in the charging area, avoid the danger caused by metal objects heating up in a strong magnetic field, and further enhance the safety of wireless charging.
[0017] The control motherboard 6 is equipped with a power adjustment unit 10. The power adjustment unit 10 controls the charging power according to the battery power of the storage battery 5, the temperature detected by the temperature sensor 8, and the detection signal of the metal foreign object detector 9. The power adjustment unit 10 can intelligently adjust the charging power according to the battery power, temperature and metal foreign object detection signal of the storage battery 5, which ensures charging efficiency, safety and battery life, and realizes efficient, safe and intelligent charging management.
[0018] The hair clipper body 1 is equipped with a base 11, on which a first contact charging structure 12 is provided. The bottom of the hair clipper body 1 is provided with a second contact charging structure 13 connected to the first contact charging structure 12. A connecting wire is connected to the base 11, and the connecting wire is electrically connected to the first contact charging structure 12. By configuring a base with a contact charging structure, an alternative charging method other than wireless charging is provided, which enhances the applicability and reliability of the product and ensures that users can still charge normally when wireless charging is inconvenient.
[0019] The upper end of the base 11 is provided with a recessed insertion cavity 111. The first contact charging structure 12 is provided on the bottom surface of the insertion cavity 111. The insertion cavity 111 can be used to connect the bottom of the hair clipper body 1. The structural design of the insertion cavity 111 makes the docking between the hair clipper body 1 and the base 11 more stable and reliable, which is convenient for users to place and charge. It also helps to maintain a good connection for contact charging. When the wireless transmission function fails, the hair clipper can be placed on the base to achieve direct charging.
[0020] The base 11 has magnetic suction parts on its left and right sides, and the bases can be connected to each other by magnetic suction parts to form multiple charging units side by side.
[0021] The above description is only a preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All equivalent modifications or changes made by those skilled in the art based on the content disclosed in the present utility model should be included in the protection scope recorded in the claims.
Claims
1. A long-distance charging hair clipper, characterized in that: The device includes a hair clipper body (1), a charging transmitting coil (2), a charging receiving coil (3), and a guide unit (4). The hair clipper body (1) is equipped with a storage battery (5) and a control motherboard (6). The control motherboard (6) is electrically connected to the storage battery (5) and the charging receiving coil (3). The charging transmitting coil (2) and the charging receiving coil (3) are matched and charged according to the principle of magnetic resonance wireless charging. The guide unit (4) can be used to receive the magnetic field of the charging transmitting coil (2) and retransmit it to the charging receiving coil (3). The control motherboard (6) is equipped with a rectifier circuit (7). The rectifier circuit (7) rectifies the induced current generated by the charging receiving coil (3) to charge the storage battery (5).
2. The long-distance charging hair clipper according to claim 1, characterized in that: The hair clipper body (1) is equipped with a temperature sensor (8), which is electrically connected to the control motherboard (6). The temperature sensor (8) is used to monitor the temperature of the charging receiving coil (3) and the battery (5).
3. The long-distance charging hair clipper according to claim 2, characterized in that: The hair clipper body (1) is equipped with a metal foreign object detector (9), which is electrically connected to the control motherboard (6). The metal foreign object detector (9) is used to detect whether there is metal between the charging transmitting coil (2) and the charging receiving coil (3).
4. A long-distance charging hair clipper according to claim 2 or 3, characterized in that: The control motherboard (6) is equipped with a power adjustment unit (10), which controls the charging power according to the battery (5) power, the temperature detected by the temperature sensor (8) and the detection signal of the metal foreign object detector (9).
5. A long-distance charging hair clipper according to any one of claims 1-3, characterized in that: The hair clipper body (1) is equipped with a base (11), a first contact charging structure (12) is provided on the base (11), and a second contact charging structure (13) connected to the first contact charging structure (12) is provided at the bottom of the hair clipper body (1). A connecting wire is connected to the base (11), and the connecting wire is electrically connected to the first contact charging structure (12).
6. A long-distance charging hair clipper according to claim 5, characterized in that: The upper end of the base (11) is provided with a recessed plug cavity (111), and the first contact charging structure (12) is provided on the bottom surface of the plug cavity (111). The plug cavity (111) can be connected to the bottom of the hair clipper body (1).
7. A long-distance charging hair clipper according to claim 6, characterized in that: The base (11) has magnetic suction parts on its left and right sides.