Search

CN-116098364-B - Hair drying appliance

CN116098364BCN 116098364 BCN116098364 BCN 116098364BCN-116098364-B

Abstract

The invention relates to a hair drying appliance which comprises a handle, a shell, a circuit board assembly and a circuit board frame, wherein a motor is arranged in the handle, the shell is connected with the handle, the circuit board assembly is arranged in the shell, a plurality of elements are arranged on the circuit board assembly, the circuit board frame is arranged in the shell, the circuit board assembly and the circuit board frame are axially arranged along the shell, a concave part which is concave towards a direction far away from the circuit board assembly is arranged on the circuit board frame, and at least part of the elements extend into the concave part. The hair drying appliance has the advantages of more compact structure, smaller size, more convenience in daily storage and convenience in carrying out.

Inventors

  • MA JIAHUA
  • ZHANG XIN
  • WANG ZHIYANG

Assignees

  • 莱克电气股份有限公司
  • 莱克电气绿能科技(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20211109

Claims (20)

  1. 1. A hair drying appliance comprising: a handle (700), wherein a motor (720) is arranged in the handle (700); -a housing (100), said housing (100) being connected to said handle (700); the circuit board assembly (200) is arranged in the shell (100), and a plurality of elements are arranged on the circuit board assembly (200); The circuit board frame (300), the circuit board frame (300) is arranged in the shell (100), the circuit board assembly (200) and the circuit board frame (300) are arranged along the axial direction of the shell (100), the circuit board frame (300) is provided with a concave part which is concave towards the direction far away from the circuit board assembly (200), and at least part of the elements extend into the concave part; The heating assembly (400), the circuit board assembly (200), the circuit board frame (300) and the heating assembly (400) are sequentially arranged along the axial direction, the heating assembly (400) comprises an outer cylinder (410) and an inner cylinder (420), the outer cylinder (410) is sleeved outside the inner cylinder (420), a heating wire (430) is arranged between the inner cylinder (420) and the outer cylinder (410), the heating assembly (400) further comprises a temperature control device and a wire (460), the temperature control device comprises a temperature controller (451) and a fuse (452) which are electrically connected with each other, the circuit board assembly (200), the heating wire (430) and the temperature control device are sequentially electrically connected to form a loop, the circuit board assembly (200) and the heating wire (430) are used as external components, the fuse (452) and the external components are electrically connected through the wire (460), the wire (460) is arranged inside the inner cylinder (420), the circuit board frame (300) comprises a wire (361) which extends towards the circuit board assembly (400) and is provided with an opening (341) which is close to the circuit board frame (341), the circuit board frame (300) is hollow to form a cavity (362), the wire protection pipe (341) stretches into the cavity (362), and the end part of the wire protection pipe (341) is propped against the inner barrel (420); The circuit board assembly (200) comprises a first circuit board (210) and a second circuit board (220) which are arranged at intervals along the axial direction, the second circuit board (220) is positioned between the first circuit board (210) and the circuit board frame (300), a part of the elements are arranged on the first circuit board (210), a part of the elements are arranged on the second circuit board (220), and the projection of the second circuit board (220) along the axial direction is at least partially overlapped with the projection of the first circuit board (210) along the axial direction; the vertical distance of the element extending along the axial direction is set as the height of the element, the area outside the projection area of the second circuit board (220) projected onto the first circuit board (210) along the axial direction is set as a first area, the height of at least part of the element in the first area is larger than the height of the element in the projection area, and the height of at least part of the element in the first area is larger than the height of the element on the second circuit board (220).
  2. 2. A hair drying appliance according to claim 1, wherein the vertical distance by which said element extends in said axial direction is taken as the height of said element, and the height of at least part of said element located in said recess in projection in said axial direction is greater than the height of said element located outside said recess in projection.
  3. 3. The hair drying appliance according to claim 1, wherein the wiring board holder (300) comprises a first flat board (311) and a second flat board (312), and a distance between the second flat board (312) and the wiring board assembly (200) is larger than a distance between the first flat board (311) and the wiring board assembly (200) in the axial direction, and a projection of at least a part of the element in the axial direction is located on the second flat board (312).
  4. 4. A hair drying appliance according to claim 3, wherein the smooth transition between the first plate (311) and the second plate (312) comprises a tunnel, the circuit board holder (300) separating the circuit board assembly (200) from the tunnel, and wherein the air flow flows into the side of the circuit board holder (300) remote from the circuit board assembly (200) in the radial direction of the housing (100) and flows out in the axial direction of the housing (100).
  5. 5. Hair drying appliance according to claim 1, characterized in that the element having a height not smaller than the distance between the first circuit board (210) and the second circuit board (220) is arranged on the first circuit board (210) and in the first area.
  6. 6. Hair drying appliance according to claim 1, characterized in that at least part of the elements located in the first area of the elements provided on the first circuit board (210) protrude into the recess.
  7. 7. The hair drying appliance according to claim 1, wherein the wiring board holder (300) includes a first flat board (311) and a second flat board (312), a distance between the second flat board (312) and the wiring board assembly (200) is larger than a distance between the first flat board (311) and the wiring board assembly (200) in the axial direction, at least a part of the elements provided on the second wiring board (220) are attached to the first flat board (311), and at least a part of the elements provided on the first wiring board (210) are attached to the second flat board (312).
  8. 8. The hair drying appliance according to claim 1, wherein at least a capacitor (241) and a negative ion generator (242) are provided on the first circuit board (210), and the capacitor (241) and the negative ion generator (242) are located in the first region.
  9. 9. Hair drying appliance according to claim 1, characterized in that at least a transistor (243) is provided on the second circuit board (220).
  10. 10. The hair drying appliance according to claim 9, wherein the hair drying appliance comprises an air duct, a heat sink (620) communicating with the air duct is embedded in the circuit board holder (300), and the heat sink (620) is in contact with the transistor (243).
  11. 11. Hair drying appliance according to claim 1, characterized in that the circuit board assembly (200) is fixedly connected to the circuit board holder (300).
  12. 12. The hair drying appliance of claim 11, wherein said circuit board holder (300) comprises a fixed post (320) extending toward said circuit board assembly (200), said fixed post (320) being fixedly connected to said first circuit board (210), a projection of said fixed post (320) along said axial direction being located within said first circuit board (210).
  13. 13. The hair drying appliance of claim 12, wherein said circuit board holder (300) comprises a plurality of positioning members (330) extending toward said circuit board assembly (200), each of said positioning members (330) being connected to an outer side of one of said fixing posts (320), a side wall of said first circuit board (210) being held against a plurality of said positioning members (330).
  14. 14. The hair drying appliance according to claim 11, wherein said wiring board frame (300) is fixedly connected to said heat generating component (400), said heat generating component (400) being fixedly connected to said housing (100).
  15. 15. The hair drying appliance according to claim 14, wherein the outer cylinder (410) is fixedly connected to the wiring board frame (300), and a water ion generator (500) is provided inside the inner cylinder (420).
  16. 16. The hair drying appliance according to claim 15, wherein an inwardly recessed receiving groove (422) is provided on an outer side wall of the inner cylinder (420), and the temperature controller (451) is provided in the receiving groove (422).
  17. 17. The hair drying appliance according to claim 16, wherein a region of the inner sidewall of the inner cylinder (420) corresponding to the receiving groove (422) protrudes inward to form a protrusion (423).
  18. 18. The hair drying appliance according to claim 17, further comprising a magnetic member (630), wherein the outer tube (410) comprises an outer tube side plate and an outer tube end plate, the outer tube side plate being disposed radially outside the inner tube (420), the outer tube end plate being located at an outer end of the protruding portion (423), the magnetic member (630) being caught between the protruding portion (423) and the outer tube end plate.
  19. 19. The hair drying appliance of claim 18, further comprising a nutrient cartridge (650), wherein the nutrient cartridge (650) and the magnetic member (630) are each captured between the extension (423) and the outer barrel end plate.
  20. 20. The hair drying appliance according to claim 19, wherein the nutrient substance box (650) and the magnetic member (630) are both ring-shaped, and a ratio m of a central angle of a range occupied by the magnetic member (630) to a central angle of a range occupied by the nutrient substance box (650) is in a range of 1.5≤m≤2.

Description

Hair drying appliance Technical Field The invention relates to the technical field of hair drying, in particular to a hair drying appliance. Background In general, after hair is washed, if the water on the hair is naturally evaporated, a long time is required to wait, and the hair dryer can accelerate the drying of the hair, shorten the waiting time, and bring great convenience to the hair styling and our daily life. However, in the related art, some blowers are large in size, inconvenient in storage, and inconvenient to carry out. Disclosure of Invention Based on the above, the invention provides a hair drying appliance which is more compact in structure, smaller in size, more convenient to store in daily life and convenient to carry out. A hair drying appliance comprising: The handle is internally provided with a motor; A housing connected to the handle; The circuit board assembly is arranged in the shell, a plurality of elements are arranged on the circuit board assembly, The circuit board frame is arranged in the shell, the circuit board assembly and the circuit board frame are axially arranged along the shell, the circuit board frame is provided with a concave part which is concave towards the direction far away from the circuit board assembly, and at least part of the elements extend into the concave part. In one embodiment, the vertical distance that the element extends along the axial direction is set as the height of the element, and the height of at least part of the element located in the concave portion along the axial direction is larger than the height of the element located outside the concave portion. In one embodiment, the circuit board frame includes a first flat plate and a second flat plate, and a distance between the second flat plate and the circuit board assembly is greater than a distance between the first flat plate and the circuit board assembly along the axial direction, and at least a part of the projection of the element along the axial direction is located on the second flat plate. In one embodiment, the first plate and the second plate are in smooth transition, the hair drying appliance comprises an air duct, the circuit board frame separates the circuit board assembly from the air duct, and air flows into one side of the circuit board frame far away from the circuit board assembly along the radial direction of the shell and flows out along the axial direction of the shell. In one embodiment, the circuit board assembly includes a first circuit board and a second circuit board disposed along the axial direction at intervals, the second circuit board is located between the first circuit board and the circuit board frame, and among the plurality of components, a part of the components is disposed on the first circuit board, a part of the components is disposed on the second circuit board, and a projection of the second circuit board along the axial direction is at least partially overlapped with a projection of the first circuit board along the axial direction. In one embodiment, the vertical distance of the element extending along the axial direction is set as the height of the element, the area, outside the projection area, of the second circuit board projected onto the first circuit board is set as a first area, and the element disposed on the first circuit board is set, wherein at least part of the element in the first area has a height greater than that of the element in the projection area. In one embodiment, the element with a height not smaller than the distance between the first circuit board and the second circuit board is disposed on the first circuit board and located in the first area. In one embodiment, the vertical distance of the element extending along the axial direction is set as the height of the element, the area outside the projection area of the second circuit board projected onto the first circuit board is set as the first area along the axial direction, and at least part of the element disposed in the first area on the first circuit board is greater than the height of the element disposed on the second circuit board. In one embodiment, among the elements disposed on the first circuit board, at least part of the elements located in the first area extend into the recess. In one embodiment, the circuit board frame includes a first flat board and a second flat board, along the axial direction, a distance between the second flat board and the circuit board assembly is greater than a distance between the first flat board and the circuit board assembly, at least a part of the element disposed on the second circuit board is attached to the first flat board, and at least a part of the element disposed on the first circuit board is attached to the second flat board. In one embodiment, at least a capacitor and a negative ion generator are disposed on the first circuit board, and the capacitor and the negative ion generator are located in the first area. In one embod