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CN-115120338-B - Dehairing instrument

CN115120338BCN 115120338 BCN115120338 BCN 115120338BCN-115120338-B

Abstract

The invention provides a dehairing instrument which comprises a cooling fan, a frame, an ice sense head, a luminous component and a Fresnel lens, wherein the cooling fan is provided with a driving port for outputting cooling air, the frame is provided with a light outlet and a heat dissipation channel in butt joint with the driving port, the ice sense head is arranged at the light outlet and is used for being in contact with skin, the luminous component is positioned in the heat dissipation channel, the Fresnel lens is positioned between the luminous component and the ice sense head, and one side of the Fresnel lens, which faces the ice sense head, is provided with a plurality of diffraction gratings for transmitting light rays emitted by the luminous component. According to the invention, the Fresnel lens is arranged in the dehairing instrument, and can transversely transmit the light rays emitted by the light emitting component, so that the loss caused by excessive reflection of the light rays is avoided, and the light utilization rate can be effectively improved.

Inventors

  • LI HAILIANG
  • CHENG YUMENG
  • PAN YUPING

Assignees

  • 杭州由莱科技有限公司

Dates

Publication Date
20260505
Application Date
20220617

Claims (8)

  1. 1. A dehairing instrument, which comprises a dehairing device, characterized by comprising the following steps: a cooling fan provided with a driving port for outputting cooling air; the rack is provided with a light outlet and a heat dissipation channel which is in butt joint with the driving port; the ice feeling head is arranged at the light outlet and is used for contacting with skin; the light-emitting assembly is positioned in the heat dissipation channel; The Fresnel lens is positioned between the light-emitting component and the ice feeling head, and one side of the Fresnel lens facing the ice feeling head is provided with a plurality of diffraction gratings for transversely transmitting light rays emitted by the light-emitting component; The Fresnel lens comprises a mirror plate and a plurality of diffraction gratings which are arranged in a strip shape, wherein the diffraction gratings comprise two first diffraction light strips and a plurality of second diffraction light strips, the first diffraction light strips and the second diffraction light strips are all arranged on one surface of the mirror plate in a protruding mode, the second diffraction light strips are located between the two first diffraction light strips, the distance between the top of each first diffraction light strip and the mirror plate is larger than the distance between the top of each second diffraction light strip and the mirror plate, and the tops of the second diffraction light strips integrally form a convex arc shape.
  2. 2. The epilation instrument of claim 1, further comprising a heat dissipation assembly, the heat dissipation assembly comprising a first cooling channel and a second cooling channel that are independent of each other, the first cooling channel and the second cooling channel both being in abutting communication with the drive port, the light emitting assembly being located within the first cooling channel, one end of the heat dissipation assembly being connected to the ice sensation head and the other end being located within the second cooling channel.
  3. 3. The epilator as recited in claim 2, wherein the heat dissipation assembly comprises a cooling plate, a heat sink and a heat conduction pad, the cooling plate is attached to the heat sink, one side of the heat conduction pad is in contact with the cooling plate, and the other side of the heat conduction pad, which is opposite to the cooling plate, is in contact with the ice feeling head.
  4. 4. The epilating apparatus as claimed in claim 3, wherein the heat sink comprises a temperature equalization plate and at least one heat sink group fixedly arranged at one end of the temperature equalization plate, the cooling fin is attached to the other end of the temperature equalization plate, and the heat sink group is arranged in the second cooling channel.
  5. 5. The epilation instrument according to claim 2, wherein a first tesla valve for preventing backflow of hot air is provided in the heat dissipation channel.
  6. 6. The depilation apparatus as claimed in claim 4, wherein a circulation flow path for circulating the cooling medium is provided in the temperature equalization plate, and a second tesla valve for preventing a backflow of the cooling medium is provided in the circulation flow path.
  7. 7. The epilatory device of any one of claims 1-6 wherein the light-emitting assembly comprises a light filter, a non-filament light tube, a circuit board and a reflective cup, wherein the light filter is positioned between the fresnel lens and the reflective cup, the reflective cup and the light filter enclose to form a through-arranged accommodating groove, and the middle part of the non-filament light tube is positioned in the accommodating groove, and both ends of the non-filament light tube penetrate through the reflective cup and are respectively connected with two electrical antennae on the circuit board.
  8. 8. The epilation instrument as claimed in claim 2, wherein the frame comprises a housing and a bracket, the housing is provided with an air inlet, an air outlet and the light outlet, the ice sensing head is mounted on the light outlet, the bracket and a cooling fan are both positioned in the housing, the cooling fan is arranged close to the air inlet, the first cooling channel is arranged in the bracket, the bracket and the housing are enclosed to form the second cooling channel, and the air outlet is communicated with both the first cooling channel and the second cooling channel.

Description

Dehairing instrument Technical Field The invention belongs to the field of beauty treatment instruments, and particularly relates to a dehairing instrument. Background Along with the continuous development of society, people increasingly pay attention to the appearance of the people, attach importance to the maintenance of skin, and are beneficial to wearing and dressing of females, in the maintenance and repair of skin, dehairing instruments are all new, and are small electric appliances for removing body hair, and the dehairing instruments commonly used in the market at present are mainly used for removing hair at the positions of armpit hair, leg hair and the like. The principle of the dehairing instrument is that the melanin on the hair absorbs laser energy by using the heat energy emitted by light rays through irradiation to the skin, so that the melanin is converted into heat energy to go deep into hair follicles, and the skin hair follicles are damaged, so that a dehairing mode with the dehairing effect is achieved. However, light of the dehairing instrument in the prior art is emitted from the lamp tube, passes through the optical filter and then directly passes through the sapphire to act on human skin, and in the whole light path of light propagation, no optical device for guiding the light propagation direction is arranged, so that the light can be lost after being refracted in the propagation process, and the light utilization rate is not high. Disclosure of Invention The invention aims to provide a dehairing instrument, which aims to solve the technical problems that in the prior art, the light rays of the dehairing instrument are not provided with optical devices for guiding the propagation direction of the light rays in the propagation process, so that the light rays can be lost after being refracted in the propagation process, and the light ray utilization rate is not high. The invention provides a dehairing instrument, comprising: a cooling fan provided with a driving port for outputting cooling air; the rack is provided with a light outlet and a heat dissipation channel which is in butt joint with the driving port; the ice feeling head is arranged at the light outlet and is used for contacting with skin; the light-emitting assembly is positioned in the heat dissipation channel; the Fresnel lens is positioned between the light-emitting component and the ice sensing head, and one side of the Fresnel lens, which faces the ice sensing head, is provided with a plurality of diffraction gratings used for transmitting light rays emitted by the light-emitting component. Optionally, the fresnel lens includes a mirror plate and a plurality of diffraction gratings, and the plurality of diffraction gratings include a plurality of racetrack-shaped diffraction diaphragms disposed at intervals and a focusing strip disposed in a strip shape, and the focusing strip is located in an enclosing area enclosed by each racetrack-shaped diffraction diaphragm. Optionally, the fresnel lens includes the mirror plate and a plurality of rectangular shape sets up diffraction grating, a plurality of diffraction grating includes two first diffraction light bars and a plurality of second diffraction light bars, first diffraction light bar and second diffraction light bar all are protruding to be located on the one side of mirror plate, the second diffraction light bar is located two between the first diffraction light bar, the top of first diffraction light bar to the distance between the mirror plate is greater than the top of second diffraction light bar to the distance between the mirror plate, and a plurality of the top of second diffraction light bar is the arc structure. Optionally, the depilatory device further comprises a heat dissipation assembly, wherein the heat dissipation assembly comprises a first cooling channel and a second cooling channel which are independent of each other, the first cooling channel and the second cooling channel are in butt joint communication with the driving port, the light-emitting assembly is located in the first cooling channel, one end of the heat dissipation assembly is connected with the ice sensing head, and the other end of the heat dissipation assembly is located in the second cooling channel. Optionally, the heat dissipation assembly comprises a refrigerating sheet, a radiator and a heat conduction pad, wherein the refrigerating sheet is attached to the radiator, one side of the heat conduction pad is in contact with the refrigerating sheet, and the other side of the heat conduction pad, which is opposite to the refrigerating sheet, is in contact with the ice sensing head. Optionally, the radiator includes the samming board and sets firmly in at least one fin group of samming board one end, the refrigeration piece with the other end of samming board is laminated mutually, the fin group is located in the second cooling channel. Optionally, a first tesla valve for preventing ho