CN220325795U - Low-voltage electrostatic sounding unit for earphone - Google Patents
Low-voltage electrostatic sounding unit for earphone Download PDFInfo
- Publication number
- CN220325795U CN220325795U CN202321885778.6U CN202321885778U CN220325795U CN 220325795 U CN220325795 U CN 220325795U CN 202321885778 U CN202321885778 U CN 202321885778U CN 220325795 U CN220325795 U CN 220325795U
- Authority
- CN
- China
- Prior art keywords
- coil
- magnet
- cover plate
- shell
- vibrating diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of earphone audios, in particular to a low-voltage electrostatic sounding unit for an earphone, which comprises a shell, an electric connection cover plate and a metal vibrating diaphragm, wherein the upper end of the shell is of an opening structure, the electric connection cover plate is arranged at the opening of the shell, the metal vibrating diaphragm is arranged in the middle of the shell, the metal vibrating diaphragm divides the interior of the shell into an upper cavity and a lower cavity, an upper magnet and an upper coil positioned in the upper magnet are arranged in the upper cavity, and a lower magnet and a lower coil positioned in the lower magnet are arranged in the lower cavity; the power connection cover plate is used for externally connecting a power supply, and the upper coil and the lower coil are respectively and electrically connected with the power connection cover plate. The utility model aims to provide a low-voltage electrostatic sounding unit for an earphone, which drives a metal vibrating diaphragm to vibrate through magnetic field force generated by energizing a coil, avoids superfluous resonance brought by the coil, and has pure sound and better use experience.
Description
Technical Field
The utility model relates to the technical field of earphone audios, in particular to a low-voltage electrostatic sounding unit for an earphone.
Background
At present, headphones on the market are generally divided into two major categories, namely, headphones with an in-ear type headphone, and the experience effect of the headphone is better because the sound generating unit of the headphone is larger and the sound insulation effect is better. At present, a moving coil sounding unit and a plane sounding unit are generally arranged on the headset, but the coil can vibrate along with the moving coil sounding unit during vibration sounding, and redundant resonance can influence the tone quality of the headset and influence the use experience.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide the low-voltage electrostatic sounding unit for the earphone, which is characterized in that the magnetic field force generated by electrifying the coil drives the metal vibrating diaphragm to vibrate, so that superfluous resonance brought by the coil is not needed, the sound is pure, and the use experience is better.
The utility model is realized by the following technical scheme:
the low-voltage electrostatic sounding unit for the earphone comprises a shell, an electric cover plate and a metal vibrating diaphragm, wherein the upper end of the shell is of an opening structure, the electric cover plate is arranged at the opening of the shell, the metal vibrating diaphragm is arranged in the middle of the shell, the metal vibrating diaphragm divides the interior of the shell into an upper cavity and a lower cavity, an upper magnet and an upper coil positioned in the upper magnet are arranged in the upper cavity, and a lower magnet and a lower coil positioned in the lower magnet are arranged in the lower cavity; the power connection cover plate is used for externally connecting a power supply, and the upper coil and the lower coil are respectively and electrically connected with the power connection cover plate.
The sounding unit further comprises a first wire and a second wire, a first yielding groove and a second yielding groove are respectively formed in two sides of the cover plate, a third yielding groove communicated with the second yielding groove is formed in one side of the shell, one end of the first wire and one end of the second wire are respectively connected with the electric cover plate, the other end of the first wire penetrates through the first yielding groove and is connected with the upper coil, and the other end of the second wire penetrates through the second yielding groove and the third yielding groove in sequence and is connected with the lower coil.
The sound generating unit further comprises an upper isolation pad and a lower isolation pad, the upper isolation pad and the lower isolation pad are respectively arranged on the upper end face and the lower end face of the metal vibrating diaphragm, the lower end of the upper magnet is abutted to the upper end of the upper isolation pad, and the upper end of the lower magnet is abutted to the lower end of the lower isolation pad.
Wherein, upper spacer and lower spacer are rigid structure.
The upper coil and the lower coil are symmetrically arranged about the metal vibrating diaphragm, and the upper magnet and the lower magnet are symmetrically arranged about the metal vibrating diaphragm.
The bottom of the shell is provided with a sound outlet, and the upper coil and the lower coil are hollow structures.
The utility model has the beneficial effects that:
the utility model relates to a low-voltage electrostatic sounding unit for an earphone, which is provided with a shell, an electric connection cover plate, a metal vibrating diaphragm, an upper magnet, an upper coil, a lower magnet and a lower coil. Compared with the traditional moving coil sounding unit and the traditional flat plate sounding unit, the metal vibrating diaphragm is driven to vibrate by the magnetic field force generated by energizing the coil, unnecessary resonance caused by the coil is not needed, sound is pure, and the use experience is better.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Reference numerals
The device comprises a shell body-100, an electric connecting cover plate-101, a metal vibrating diaphragm-102, an upper magnet-103, an upper coil-104, a lower magnet-105, a lower coil-106, a first wire-107, a second wire-108, a first abdicating groove-109, a second abdicating groove-110, a third abdicating groove-111, an upper isolation pad-112, a lower isolation pad-113 and an acoustic hole-114.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model.
At present, headphones on the market are generally divided into two major categories, namely, headphones with an in-ear type headphone, and the experience effect of the headphone is better because the sound generating unit of the headphone is larger and the sound insulation effect is better. At present, a moving coil sounding unit and a plane sounding unit are generally arranged on the headset, but the coil can vibrate along with the moving coil sounding unit during vibration sounding, and redundant resonance can influence the tone quality of the headset and influence the use experience.
In order to solve the above-mentioned problems, this embodiment discloses a low-voltage electrostatic sound generating unit for headphones, the structure of which is shown in fig. 1 and 2, the sound generating unit includes a housing 100 with an opening structure at the upper end, a power-on cover plate 101 disposed at the opening of the housing 100, and a metal diaphragm 102 disposed in the middle of the housing 100, the metal diaphragm 102 divides the interior of the housing 100 into an upper cavity and a lower cavity, an upper magnet 103 and an upper coil 104 disposed in the upper magnet 103 are disposed in the upper cavity, and a lower magnet 105 and a lower coil 106 disposed in the lower magnet 105 are disposed in the lower cavity; the power connection cover plate 101 is used for externally connecting a power supply, and the upper coil 104 and the lower coil 106 are respectively and electrically connected with the power connection cover plate 101.
In this embodiment, the sounding frequency can be adjusted by changing the thickness of the film, and the upper magnet 103 and the lower magnet 105 act to enhance the magnetic field strength of the upper coil 104 and the lower coil 106; in addition, the bottom end of the housing 100 is provided with the sound outlet 114, the upper coil 104 and the lower coil 106 are hollow structures, the upper coil 104 and the lower coil 106 are symmetrically arranged with respect to the metal vibrating diaphragm 102, the upper magnet 103 and the lower magnet 105 are symmetrically arranged with respect to the metal vibrating diaphragm 102, sound waves of the metal vibrating diaphragm 102 can pass through the sound outlet 114, and the hollow upper coil 104 and the hollow lower coil 106 can not block the sound waves, so that the sound generating unit of the embodiment achieves a better sound generating effect.
Specifically, in the low-voltage electrostatic sound generating unit of this embodiment, through being provided with the casing 100, the electric connection cover plate 101, the metal diaphragm 102, the upper magnet 103, the upper coil 104, the lower magnet 105 and the lower coil 106, when in use, the electric connection cover plate 101 is connected with electricity, and the upper coil 104 and the lower coil 106 generate external magnetic field force simultaneously after being electrified, so as to further push the metal diaphragm to vibrate, and generate sound. Compared with the traditional moving coil sounding unit and the traditional flat plate sounding unit, the metal vibrating diaphragm 102 is driven to vibrate by the magnetic field force generated by energizing the coil, unnecessary resonance caused by the coil is not needed, sound is pure, and the use experience is better.
Further, the sounding unit further includes a first wire 107 and a second wire 108, two sides of the cover plate are respectively provided with a first yielding groove 109 and a second yielding groove 110, one side of the housing 100 is provided with a third yielding groove 111 communicated with the second yielding groove 110, one end of the first wire 107 and one end of the second wire 108 are respectively connected with the power-on cover plate 101, the other end of the first wire 107 passes through the first yielding groove 109 and is connected with the upper coil 104, and the other end of the second wire 108 sequentially passes through the second yielding groove 110 and the third yielding groove 111 and is connected with the lower coil 106. By providing the first relief groove 109, the second relief groove 110 and the third relief groove 111, the first wire 107 and the second wire 108 are conveniently managed, and the risk of exposed guiding is reduced.
Further, the sounding unit further includes an upper spacer 112 and a lower spacer 113, the upper spacer 112 and the lower spacer 113 are respectively disposed on the upper end surface and the lower end surface of the metal diaphragm 102, the lower end of the upper magnet 103 abuts against the upper end of the upper spacer 112, and the upper end of the lower magnet 105 abuts against the lower end of the lower spacer 113. In this embodiment, the upper spacer 112 and the lower spacer 113 are both rigid ring structures, preferably made of copper, and the fixed metal diaphragm 102 makes the diaphragm more tightly stretched, so as to reduce resonance of the upper spacer 112 and the lower spacer 113 during vibration, and make tone color more transparent.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. A low pressure static sound generating unit for earphone, is the casing of open structure including the upper end, its characterized in that: the device comprises a shell, an upper magnet, an upper coil, a lower magnet, a lower coil, a power-on cover plate, a metal vibrating diaphragm, a magnetic field generator and a magnetic field generator, wherein the power-on cover plate is arranged at an opening of the shell, the metal vibrating diaphragm is arranged in the middle of the shell, the metal vibrating diaphragm divides the interior of the shell into an upper cavity and a lower cavity, the upper cavity is internally provided with the upper magnet and the upper coil positioned in the upper magnet, and the lower cavity is internally provided with the lower magnet and the lower coil positioned in the lower magnet; the power connection cover plate is used for externally connecting a power supply, and the upper coil and the lower coil are respectively and electrically connected with the power connection cover plate.
2. A low voltage electrostatic sound unit for headphones as recited in claim 1, wherein: the sounding unit further comprises a first wire and a second wire, a first yielding groove and a second yielding groove are respectively formed in two sides of the cover plate, a third yielding groove communicated with the second yielding groove is formed in one side of the shell, one end of the first wire and one end of the second wire are respectively connected with the electric cover plate, the other end of the first wire penetrates through the first yielding groove and is connected with the upper coil, and the other end of the second wire penetrates through the second yielding groove and the third yielding groove in sequence and is connected with the lower coil.
3. A low voltage electrostatic sound unit for headphones as recited in claim 1, wherein: the sound generating unit further comprises an upper isolation pad and a lower isolation pad, the upper isolation pad and the lower isolation pad are respectively arranged on the upper end face and the lower end face of the metal vibrating diaphragm, the lower end of the upper magnet is abutted against the upper end of the upper isolation pad, and the upper end of the lower magnet is abutted against the lower end of the lower isolation pad.
4. A low voltage electrostatic sound unit for headphones as recited in claim 3, wherein: the upper isolation pad and the lower isolation pad are all of rigid structures.
5. A low voltage electrostatic sound unit for headphones as recited in claim 1, wherein: the upper coil and the lower coil are symmetrically arranged about the metal vibrating diaphragm, and the upper magnet and the lower magnet are symmetrically arranged about the metal vibrating diaphragm.
6. A low voltage electrostatic sound unit for headphones as recited in claim 1, wherein: the bottom of casing has seted up the sound hole, go up coil and lower coil and all be hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885778.6U CN220325795U (en) | 2023-07-17 | 2023-07-17 | Low-voltage electrostatic sounding unit for earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885778.6U CN220325795U (en) | 2023-07-17 | 2023-07-17 | Low-voltage electrostatic sounding unit for earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325795U true CN220325795U (en) | 2024-01-09 |
Family
ID=89419990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321885778.6U Active CN220325795U (en) | 2023-07-17 | 2023-07-17 | Low-voltage electrostatic sounding unit for earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325795U (en) |
-
2023
- 2023-07-17 CN CN202321885778.6U patent/CN220325795U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021143118A1 (en) | Bone conduction loudspeaker and composite loudspeaker | |
| WO2020024677A1 (en) | Speaker | |
| CN210781334U (en) | Speaker and audio equipment | |
| CN209787400U (en) | Combined earphone speaker and earphone | |
| CN206365029U (en) | Loudspeaker | |
| CN2935690Y (en) | Adhesion-type audio transducer | |
| CN206413176U (en) | Dual drive racetrack loudspeaker | |
| CN220325795U (en) | Low-voltage electrostatic sounding unit for earphone | |
| CN111757207B (en) | Earphone vibration assembly and vibrating earphone with same | |
| CN109451403B (en) | Vibration diaphragm structure of transducer of miniature flat-panel loudspeaker and loudspeaker with vibration diaphragm of transducer | |
| CN205491082U (en) | A two membrane stereo sets for on intelligent video machine | |
| CN205754845U (en) | Loudspeaker and be provided with the earphone of these loudspeaker | |
| WO2023051005A1 (en) | Coil-iron loudspeaker assembly and earphone | |
| CN2083373U (en) | Loud-speaker for underwater or in the high-humidity air | |
| CN206611571U (en) | Loudspeaker | |
| CN211406274U (en) | Bone conduction speaker and compound speaker | |
| CN220191039U (en) | Bone conduction loudspeaker and earphone | |
| WO2022006791A1 (en) | Loudspeaker box | |
| CN201854410U (en) | Bone conduction loudspeaker | |
| CN220325815U (en) | Double-combination sounding unit | |
| CN206164789U (en) | Earphone | |
| CN106454591B (en) | Earphone set | |
| CN205105395U (en) | Moving -coil loudspeaker | |
| CN214591966U (en) | Dual-drive bone conduction loudspeaker and earphone | |
| CN215581685U (en) | Integrated assembled coaxial loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |