Magnetic levitation vibrating shaver

Abstract

The utility model discloses a kind of magnetic levitation vibrating shavers, including shell, the cutter head component of being arranged in the head of shell, and the driving module and control module being arranged in shell;The driving module is magnetic levitation driving module, it includes the stator component fixed in shell and the rotor component transmission connection with the cutter head component;The stator component includes at least one group of driving coil, the rotor component includes the permanent magnet corresponding with the driving coil position;The control module is electrically connected with the driving coil, for applying alternating current to the driving coil, make the rotor component under the action of magnetic force levitate and generate high-frequency straight reciprocating vibration, to drive the cutter head component.Summarized above, the utility model realizes the efficient low noise, precision vibration and durable reliable of shaver by non-contact magnetic levitation driving and closed-loop control, significantly improve the comfort and shaving effect of use, with higher social use value and application prospect.

Description

Technical Field

[0001] This utility model relates to the field of hair shaver technology, and in particular to a magnetic levitation vibration hair shaver. Background Technology

[0002] Most mainstream electric shavers on the market (such as shavers and women's epilators) use a miniature eccentric motor (vibration motor) for vibration drive. The rotating motor drives an eccentric block to generate centrifugal force, causing irregular vibrations throughout the entire device. Some of this vibration is transmitted to the shaving head to assist in shaving. This drive method has the following significant drawbacks:

[0003] Low energy efficiency and high noise: The vibration of the eccentric motor needs to be transmitted to the cutter head through the machine body structure. In the process, energy loss is serious, and the resonance of the motor itself and the machine body will generate a lot of noise.

[0004] Severe mechanical wear: The eccentric motor contains high-speed rotating bearings and mechanical structures, which are prone to wear after long-term use, affecting its lifespan and stability.

[0005] The vibration direction is singular and uncontrollable: its vibration is converted from centrifugal force, and the direction is complex and difficult to control precisely, which is not conducive to optimizing the shaving effect.

[0006] Poor user experience: Strong overall vibration of the device can cause numbness in the hand, resulting in poor comfort during prolonged use.

[0007] Therefore, it is necessary to provide a new driving solution to solve the above-mentioned technical problems. Utility Model Content

[0008] In order to solve the problems mentioned in the background art, the present invention provides a magnetic levitation vibration shaver.

[0009] To achieve the above objectives, the present invention adopts the following technical solution:

[0010] A magnetic levitation vibration shaver includes a housing, a blade assembly disposed at the head of the housing, and a drive module and a control module disposed within the housing;

[0011] The drive module is a magnetic levitation drive module, which includes a stator assembly fixed in the housing and a mover assembly that is driven by the cutter head assembly.

[0012] The stator assembly includes at least one set of drive coils, and the mover assembly includes a permanent magnet corresponding to the position of the drive coils;

[0013] The control module is electrically connected to the drive coil and is used to apply alternating current to the drive coil, so that the moving part assembly is suspended under the action of magnetic force and generates high-frequency linear reciprocating vibration, thereby driving the cutter head assembly.

[0014] Preferably, the stator assembly includes two sets of symmetrically arranged drive coils, and the permanent magnet of the mover assembly is located between the two sets of drive coils.

[0015] Preferably, the mover assembly is connected to the housing or stator assembly via at least one elastic reset member, the elastic reset member being used to provide restoring force to the mover assembly and define its vibration trajectory.

[0016] Preferably, the elastic reset element is one or more combinations of a silicone spring, a metal spring sheet, or a helical spring.

[0017] Preferably, the moving part further includes a mass block, and the permanent magnet is embedded in or fixed to the mass block.

[0018] Preferably, the position sensor included on the moving part assembly is signal-connected to the control module and is used to provide feedback on the displacement information of the moving part assembly. The control module dynamically adjusts the current output to the drive coil based on the displacement information.

[0019] Preferably, the control module includes a vibration mode adjustment unit for adjusting the frequency and / or amplitude of the output current to change the vibration frequency and / or amplitude of the cutter head assembly.

[0020] Preferably, the cutter head assembly and the moving part assembly are detachably connected.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] 1. Magnetic levitation drive is a direct, non-contact drive, with a short energy transfer path and low loss. The mover assembly moves linearly, concentrating energy in the cutter head, resulting in high efficiency. It also avoids mechanical friction and impact noise from rotating parts, significantly reducing operating noise.

[0023] 2. By eliminating easily worn mechanical moving parts such as bearings and eccentric blocks, the core drive part has no physical contact and almost no wear, which greatly improves the product's service life and reliability.

[0024] 3. By controlling the current, the frequency, amplitude, and waveform of the vibration can be precisely adjusted to achieve intelligent vibration mode switching, so as to adapt to the needs of different hair densities and skin sensitivity, resulting in better shaving effect.

[0025] 4. The vibration is mainly concentrated in the blade assembly, while the vibration in the handle is very weak, making it comfortable to hold without any numbness, thus improving the comfort of use.

[0026] In summary, this invention achieves high efficiency, low noise, precise vibration, and long-term reliability in the shaver through non-contact magnetic levitation drive and closed-loop control, significantly improving user comfort and shaving effect, and has high social value and application prospects. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0029] Figure 2 This is a cross-sectional structural diagram of the magnetic levitation drive module in an embodiment of this utility model.

[0030] Figure 3 This is a block diagram illustrating the control principle of an embodiment of the present invention. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] Example 1

[0033] Reference Figure 1-3 A magnetic levitation vibration shaver includes a housing 1, a blade assembly 2, a magnetic levitation drive module 3, a control module 5, and a battery 7.

[0034] The housing 1 is designed for handheld use and is hollow inside. The cutter head assembly 2 is detachably mounted to the head of the housing 1 via clips or screws. The magnetic levitation drive module 3 is fixedly mounted in the middle section inside the housing 1.

[0035] The magnetic levitation drive module 3 includes a stator assembly 31 and a mover assembly 32. The stator assembly 31 is fixed within the housing 1 by a bracket and contains two sets of symmetrically arranged parallel drive coils 311. The mover assembly 32 is located between the two sets of drive coils 311 and includes a U-shaped mass block 322 and two permanent magnets 321 embedded on its two sides. The upper end of the mass block 322 is connected to the cutter head assembly 2 via a transmission rod. The upper and lower sides of the mover assembly 32 are connected to the frame of the stator assembly 31 via four elastic reset members 4 made of silicone material. The elastic reset members 4 stabilize the mover assembly 32 in a central equilibrium position and constrain it to only move in a direction perpendicular to the plane of the cutter head. Figure 2 It moves in a straight line in the vertical direction.

[0036] Control module 5 (e.g.) Figure 3 The system (shown) is housed within housing 1 and includes a microprocessor, drive circuitry, and mode selection circuitry. Battery 7 powers the entire system. Position sensor 6 (such as a Hall effect sensor) is mounted on stator assembly 31 to detect position changes of permanent magnet 321 on mover assembly 32 and feeds the signal back to the microprocessor.

[0037] Working Principle: The user selects the working mode (such as standard mode) via buttons on the housing. The microprocessor in control module 5 generates a PWM control signal with the corresponding frequency and duty cycle based on the selected mode. This signal is converted into alternating current by the drive circuit and supplied to two sets of drive coils 311. When energized, the two sets of coils generate magnetic fields with alternating directions, interacting with the permanent magnet 321 on the mover assembly 32 to produce a push-pull force along a straight line. Under the combined action of the push-pull magnetic force and the restoring force of the elastic reset member 4, the mover assembly 32 drives the cutter head assembly 2 to perform high-speed, precise linear reciprocating vibration, thereby achieving efficient shaving. The position sensor 6 monitors the vibration status in real time, forming a closed-loop control to ensure vibration stability.

[0038] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

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

[0040] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A magnetic levitation vibration shaver, characterized in that, include Housing (1), cutter head assembly (2) disposed at the head of housing (1), and drive module and control module (5) disposed inside housing (1); The drive module is a magnetic levitation drive module (3), which includes a stator assembly (31) fixed in the housing (1) and a mover assembly (32) that is connected to the cutter head assembly (2) in a transmission manner; The stator assembly (31) includes at least one set of drive coils (311), and the mover assembly (32) includes a permanent magnet (321) corresponding to the position of the drive coils (311); The control module (5) is electrically connected to the drive coil (311) and is used to apply alternating current to the drive coil (311) so that the mover assembly (32) is suspended under the action of magnetic force and generates high-frequency linear reciprocating vibration, thereby driving the cutter head assembly (2).

2. The magnetic levitation vibration shaver according to claim 1, characterized in that: The stator assembly (31) includes two sets of symmetrically arranged drive coils (311), and the permanent magnet (321) of the mover assembly (32) is located between the two sets of drive coils (311).

3. The magnetic levitation vibration shaver according to claim 1, characterized in that: The mover assembly (32) is connected to the housing (1) or the stator assembly (31) via at least one elastic reset member (4), the elastic reset member (4) being used to provide restoring force to the mover assembly (32) and define its vibration trajectory.

4. A magnetic levitation vibration shaver according to claim 3, characterized in that: The elastic reset element (4) is one or more of a silicone spring, a metal spring sheet, or a helical spring.

5. A magnetic levitation vibration shaver according to claim 1, characterized in that: The moving part (32) further includes a mass block (322), and the permanent magnet (321) is embedded in or fixed on the mass block (322).

6. A magnetic levitation vibration shaver according to claim 5, characterized in that: It also includes a position sensor (6) disposed on the mover assembly (32), the position sensor (6) being signal-connected to the control module (5) for feeding back displacement information of the mover assembly (32), and the control module (5) dynamically adjusting the current output to the drive coil (311) according to the displacement information.

7. A magnetic levitation vibration shaver according to claim 6, characterized in that: The control module (5) includes a vibration mode adjustment unit for adjusting the frequency and / or amplitude of the output current to change the vibration frequency and / or amplitude of the cutter head assembly (2).

8. A magnetic levitation vibration shaver according to claim 7, characterized in that: The cutter head assembly (2) and the moving part assembly (32) are detachably connected.

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