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CN-224233818-U - Speaker and open earphone

CN224233818UCN 224233818 UCN224233818 UCN 224233818UCN-224233818-U

Abstract

The application discloses a loudspeaker and an open earphone, wherein the loudspeaker comprises a magnetic circuit system, a vibration system and a plurality of elastic pieces, the magnetic circuit system comprises a basin frame and a magnetic circuit assembly arranged on the basin frame, a magnetic gap is formed between the magnetic circuit assembly and the basin frame, the vibration system comprises a vibrating diaphragm and a voice coil, the edge of the vibrating diaphragm is connected with the basin frame, the first end of the voice coil is inserted into the magnetic gap, the second end of the voice coil is connected with the vibrating diaphragm, the elastic pieces are arranged between the voice coil and the basin frame, the elastic pieces are distributed at intervals around the circumference of the voice coil, the first end of the elastic pieces is connected with the voice coil, a plurality of avoidance grooves are formed in one side of the basin frame, which is away from the vibrating diaphragm, and each avoidance groove is correspondingly arranged with one elastic piece. According to the embodiment of the application, the polarization displacement of the voice coil can be reduced by arranging the elastic piece, and interference between the elastic piece and the basin frame in the vibration process is reduced, so that the stability of low-frequency output of the loudspeaker is improved.

Inventors

  • LIU ZHENG

Assignees

  • 安克创新科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250424

Claims (10)

  1. 1. A loudspeaker, comprising: The magnetic circuit system comprises a basin frame and a magnetic circuit assembly arranged on the basin frame, wherein a magnetic gap is formed between the magnetic circuit assembly and the basin frame; The vibration system comprises a vibrating diaphragm and a voice coil, wherein the edge of the vibrating diaphragm is connected with the basin frame, the first end of the voice coil is inserted into the magnetic gap, and the second end of the voice coil is connected with the vibrating diaphragm; The elastic pieces are positioned between the voice coil and the basin frame, the elastic pieces are distributed at intervals around the circumference of the voice coil, the first ends of the elastic pieces are connected with the voice coil, and the second ends of the elastic pieces are connected with the basin frame; Wherein, basin frame deviates from one side of vibrating diaphragm is provided with a plurality of grooves of dodging, every dodging the groove with one the elastic component corresponds the setting.
  2. 2. The loudspeaker of claim 1, wherein the frame includes a top wall, a peripheral side wall, and a bottom wall, the top wall being disposed opposite the bottom wall, the peripheral side wall connecting the top wall and the bottom wall; The edge of vibrating diaphragm with the roof is connected, the second end of elastic component with the week lateral wall is connected, dodge the groove and run through diapire and some week lateral walls.
  3. 3. The loudspeaker of claim 1, wherein the first end of the resilient member is connected to the first end of the voice coil.
  4. 4. The loudspeaker of claim 1, wherein a line connecting the first end of the elastic member and the second end of the elastic member is a first line, and an extending direction of the first line is parallel to a radial direction of the voice coil.
  5. 5. The speaker of claim 4, wherein the projected shape of the elastic member is a wavy line shape or an arc shape on a plane parallel to the axial direction of the voice coil and the first connecting line.
  6. 6. The loudspeaker according to claim 1, wherein three of the elastic members are provided, and the three elastic members are arranged at regular intervals in the circumferential direction of the voice coil.
  7. 7. The loudspeaker of claim 1, wherein the frame is provided with a connection ring, the elastic members are all located in the connection ring and are arranged at intervals along the circumferential direction of the connection ring, and the elastic members are connected with the frame through the connection ring.
  8. 8. The loudspeaker of claim 7, wherein the frame is further provided with a copper ring, the edge of the diaphragm is connected to the frame through the copper ring, and the copper ring is spaced from the connection ring.
  9. 9. The loudspeaker of claim 1, wherein the magnetic circuit assembly further comprises a magnet disposed in the basin frame and a washer disposed on a side of the magnet proximate to the diaphragm, the magnetic gap being formed between a peripheral sidewall of the basin frame and the magnet and the washer.
  10. 10. An open earphone comprising a housing and a loudspeaker according to any of claims 1 to 9, the loudspeaker being arranged inside the housing.

Description

Speaker and open earphone Technical Field The application relates to the technical field of acoustic devices, in particular to a loudspeaker and an open earphone. Background Micro-speakers are used in various audio devices and information communication devices, and thus the micro-speaker units have increasingly high demands for low-frequency output performance. In the related art, a voice coil in a micro speaker can be fixedly supported by only one diaphragm, and unbalanced vibration is easily generated when the voice coil vibrates and works, thereby affecting a low frequency output of the micro speaker. Disclosure of utility model The embodiment of the application provides a loudspeaker and an open earphone, which can reduce the polarization displacement of a voice coil and improve the stability of low-frequency output of the loudspeaker. In a first aspect, an embodiment of the present application provides a speaker, including: The magnetic circuit system comprises a basin frame and a magnetic circuit assembly arranged on the basin frame, wherein a magnetic gap is formed between the magnetic circuit assembly and the basin frame; The vibration system comprises a vibrating diaphragm and a voice coil, wherein the edge of the vibrating diaphragm is connected with the basin frame, the first end of the voice coil is inserted into the magnetic gap, and the second end of the voice coil is connected with the vibrating diaphragm; The elastic pieces are positioned between the voice coil and the basin frame, the elastic pieces are distributed at intervals around the circumference of the voice coil, the first ends of the elastic pieces are connected with the voice coil, and the second ends of the elastic pieces are connected with the basin frame; Wherein, basin frame deviates from one side of vibrating diaphragm is provided with a plurality of grooves of dodging, every dodging the groove with one the elastic component corresponds the setting. In a second aspect, an embodiment of the present application further provides an open earphone, including a housing and a speaker as in any one of the embodiments above, where the speaker is disposed inside the housing. According to the loudspeaker and the open earphone in the embodiment of the application, the vibrating diaphragm and the elastic piece are respectively connected with the two opposite ends of the voice coil, so that the vibrating diaphragm and the elastic piece can simultaneously generate acting force on the voice coil, the stress point of the voice coil is increased, the polarization of the voice coil is reduced, namely the scratch between the voice coil and the magnetic circuit system is reduced, meanwhile, the avoidance groove can prevent the interference between the elastic piece and the basin frame, the elastic piece is ensured to be kept stable in the vibration process, the overall performance of the loudspeaker is further optimized, and the stability of the low-frequency output of the loudspeaker is improved. Drawings In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic view of a first view angle structure of a speaker according to an embodiment of the present application; Fig. 2 is a schematic view of a second view angle structure of a speaker according to an embodiment of the present application; FIG. 3 is a schematic view showing the structure of the connection ring, the elastic member and a part of the basin stand according to an embodiment of the present application; fig. 4 is a schematic cross-sectional view of the speaker of fig. 2 along A-A; FIG. 5 is a schematic diagram of a connecting ring and an elastic member according to an embodiment of the application. Reference numerals: 1. a speaker; 10. The magnetic circuit system comprises a magnetic circuit system, 11 parts of basin frames, 111 parts of avoiding grooves, 112 parts of top walls, 113 parts of peripheral side walls, 114 parts of bottom walls, 12 parts of magnetic circuit components, 121 parts of magnets, 122 parts of washer, 13 parts of connecting rings, 14 parts of copper rings; 20. the vibration system comprises a vibration system, a vibration film, a 211, a dome, a 222, a folded ring, a 223, a connecting part, a 22 and a voice coil; 30. Elastic element, 31, first connecting line. Detailed Description In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the following description will be made in detail with reference to the accompanying drawings in the embodiments of the present application, a