CN107396262B - Speaker and electronic equipment - Google Patents

Speaker and electronic equipment Download PDF

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Publication number
CN107396262B
CN107396262B CN201710665849.4A CN201710665849A CN107396262B CN 107396262 B CN107396262 B CN 107396262B CN 201710665849 A CN201710665849 A CN 201710665849A CN 107396262 B CN107396262 B CN 107396262B
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CN
China
Prior art keywords
loudspeaker
magnetic
metal
frame
basin frame
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Active
Application number
CN201710665849.4A
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Chinese (zh)
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CN107396262A (en
Inventor
吴树文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to CN201710665849.4A priority Critical patent/CN107396262B/en
Publication of CN107396262A publication Critical patent/CN107396262A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention relates to the technical field of acoustics, and discloses a loudspeaker and electronic equipment. According to the loudspeaker, the metal basin frame with the containing space, the magnetic circuit system contained in the metal basin frame and the vibration system driven by the magnetic circuit system to vibrate and produce sound are arranged, the vibration system comprises the vibration diaphragm and the voice coil for driving the vibration diaphragm to vibrate, the vibration diaphragm is fixed on the metal basin frame and comprises the lower clamping plate and the magnetic steel fixed on the lower clamping plate, the bottom of the metal basin frame is provided with the mounting hole communicated with the containing space, the lower clamping plate is embedded in the mounting hole, the loudspeaker further comprises the magnetic conduction piece which is coated on the outer sides of the lower clamping plate and the metal basin frame and used for fixing the lower clamping plate on the metal basin frame, the fixing strength between the magnetic circuit system and the basin frame can be improved, and the situation that the magnetic circuit system falls.

Description

Speaker and electronic equipment
Technical Field
The present invention relates to the field of acoustic technologies, and in particular, to a speaker and an electronic device.
Background
In recent years, with the development of science and technology, especially the rapid progress of mobile communication technology, more and more mobile electronic devices are appearing in people's daily life, such as smart phones, tablet computers, notebook computers and multifunctional media players, which have become indispensable daily necessities. In these mobile electronic devices, the voice playing device is an indispensable component inside the mobile electronic devices, and the quality of the voice directly affects the user experience when the user uses the mobile electronic devices.
The loudspeaker in the prior art is used as a voice playing device, and the structural design of the loudspeaker directly influences the voice playing quality. The loudspeaker in the related art includes a magnetic circuit system in which a magnetic circuit is placed on a frame according to a conventional method, and a vibration system, and both falling and assembly cannot be achieved. For assembly, no gap can be left between the metal and the glue is applied. In order to do leakage during laser spot welding, the spot welding area is small, and the magnetic circuit system is prone to falling badly when the loudspeaker falls.
Disclosure of Invention
The embodiment of the invention aims to provide a loudspeaker and electronic equipment, which can improve the fixing strength between a magnetic circuit system and a basin frame, and further reduce the condition that the magnetic circuit system falls badly when the loudspeaker falls.
In order to solve the technical problem, an embodiment of the present invention provides a speaker, which includes a metal frame having an accommodating space, a magnetic circuit system accommodated in the metal frame, and a vibration system driven by the magnetic circuit system to vibrate and generate sound, wherein the vibration system includes a vibration diaphragm and a voice coil for driving the vibration diaphragm to vibrate, the vibration diaphragm is fixed on the metal frame, the magnetic circuit system includes a lower plate and a magnetic steel fixed on the lower plate, a mounting hole communicated with the accommodating space is formed at the bottom of the metal frame, the lower plate is embedded in the mounting hole, and the speaker further includes a magnetic conductive member which is wrapped on the outer sides of the lower plate and the metal frame and is used for fixing the lower plate on the metal frame.
Compared with the prior art, the loudspeaker comprises a lower clamping plate, a metal basin frame and a magnetic conduction piece, wherein the lower clamping plate is embedded in the mounting hole, the magnetic conduction piece is coated on the outer sides of the lower clamping plate and the metal basin frame and used for fixing the lower clamping plate on the metal basin frame, and the metal basin frame is stably fixed on the lower clamping plate through the magnetic conduction piece, so that the fixing strength between a magnetic circuit system and the metal basin frame can be improved, and the situation that the magnetic circuit system falls badly when the loudspeaker falls is further reduced.
In addition, magnetic conduction spare includes first diapire and the first lateral wall that extends the formation of buckling respectively along the relative both ends of first diapire, and first diapire is located the bottom of metal basin frame and lower plate, and first lateral wall is located the outside of metal basin frame, and magnetic conduction spare is through welding and metal basin frame fixed connection.
In addition, the metal basin frame comprises a second side wall and a second bottom wall extending from the second side wall to the accommodating space, a mounting hole is formed in the second bottom wall, the first bottom wall is wrapped on the outer sides of the second bottom wall and the lower clamping plate, the first side wall is located on the outer side of the second side wall, and the first bottom wall is fixedly connected with the connecting portion of the second bottom wall and the lower clamping plate through welding.
In addition, the metal basin frame further comprises a second top wall formed by bending and extending the end, far away from the bottom wall, of the second side wall towards the direction far away from the accommodating space, and the vibrating diaphragm is fixedly connected with the second top wall.
In addition, the magnetic conduction piece further comprises a first top wall formed by bending and extending one end, far away from the first bottom wall, of the first side wall towards the direction far away from the metal basin frame, and the first top wall is located on one side, far away from the vibrating diaphragm, of the second top wall and is fixedly connected with the second top wall.
In addition, the second side wall and the magnetic steel are arranged at intervals to form a magnetic gap, one end of the voice coil is fixedly connected with the vibrating diaphragm, and the other end of the voice coil is suspended in the magnetic gap.
In order to solve the technical problem, an embodiment of the present invention further provides an electronic device, which includes the speaker, and the fixing strength between the magnetic circuit system and the frame can be improved, so that a situation that the magnetic circuit system falls badly when the speaker in the electronic device falls is reduced.
Drawings
Fig. 1 is a schematic perspective view of a speaker according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of the loudspeaker a-a shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
Embodiments of the present invention relate to a speaker. The specific structure is shown in fig. 1-2, wherein fig. 1 is a schematic perspective structure of a speaker according to an embodiment of the present invention; fig. 2 is a schematic sectional view of the loudspeaker a-a shown in fig. 1. The speaker 10 has a metal frame 11 having a housing space, a magnetic circuit system 12 housed in the metal frame 11, and a vibration system 13 driven by the magnetic circuit system 12 to vibrate and generate sound. The vibration system 13 includes a diaphragm 131 and a voice coil 132 for driving the diaphragm 131 to vibrate, and the diaphragm 131 is fixed on the metal frame 11. The magnetic circuit system 12 includes a lower plate 121 and a magnetic steel 122 fixed to the lower plate 121. The bottom of the metal basin frame 11 is provided with a mounting hole 110 communicated with the accommodating space, and the lower clamping plate 121 is embedded in the mounting hole 110. The loudspeaker 10 further comprises a magnetic conduction piece 14 which is coated on the outer sides of the lower clamping plate 121 and the metal basin frame 11 and used for fixing the lower clamping plate 121 on the metal basin frame 11, and the metal basin frame 11 is stably fixed on the lower clamping plate 121 through the magnetic conduction piece 14, so that the fixing strength between the magnetic circuit system 12 and the metal basin frame 11 can be improved, and the situation that the magnetic circuit system 12 falls badly when the loudspeaker 10 falls is further reduced.
In the embodiment of the present invention, the magnetic conducting member 14 includes a first bottom wall 141 and first side walls 142 respectively formed by bending and extending along two opposite ends of the first bottom wall 141. The first bottom wall 141 is located at the bottom of the metal frame 11 and the lower clamping plate 121, the first side wall 142 is located at the outer side of the metal frame 11, and the magnetic conducting piece 14 is fixedly connected with the metal frame 11 through welding. The joint of the first side wall 142 and the first bottom wall 141 is circular arc-shaped. The first sidewall 142 is perpendicular to the first bottom wall 141, the embodiment of the invention positions the Z direction of the magnetic circuit system through the first sidewall 142 perpendicular to the first bottom wall 141,
the metal frame 11 includes a second sidewall 111 and a second bottom wall 112 extending from the second sidewall 111 into the accommodating space, and the second bottom wall 112 is provided with a mounting hole 110. The first bottom wall 141 covers the outer sides of the second bottom wall 112 and the lower clamping plate 121, the first side wall 142 is located on the outer side of the second side wall 111, and the first bottom wall 141 is fixedly connected with the joint of the second bottom wall 112 and the lower clamping plate 121 through welding. Specifically, the first bottom wall 141 is fixed to the second bottom wall 112 and the lower surface of the lower plate 121 by gluing or laser spot welding. The first side wall 141 and the first bottom wall 142 are fixed together by applying laser spot welding to the circular arc-shaped connection part of the first side wall 142 and the first bottom wall 141, and the metal pot frame 11 is further stably fixed on the lower clamping plate 121, so that the fixing strength between the magnetic circuit system 12 and the metal pot frame 11 can be improved.
In the embodiment of the present invention, the metal frame 11 further includes a second top wall 113 formed by bending and extending an end of the second sidewall 111 away from the second bottom wall 112 toward a direction away from the receiving space, and the diaphragm 131 is fixedly connected to the second top wall 113. The diaphragm 131 includes a corrugated rim 1311, a fixing portion 1312 extending outward from the corrugated rim 1311, a connecting portion 1313 extending inward from the corrugated rim 1311, and a spherical top 1314 fixed to the corrugated rim 1311, wherein the fixing portion 1312 is fixedly connected to the top wall 113, and the connecting portion 1313 is fixedly connected to the spherical top 1314. Specifically, the connecting portion 1313 is fixedly connected to the dome 1314 by gluing or laser spot welding.
In the embodiment of the present invention, the magnetic conducting member 14 further includes a first top wall 143 formed by bending and extending an end of the first side wall 142 away from the first bottom wall 141 toward a direction away from the metal frame 11, and the first top wall 143 is located on a side of the second top wall 113 away from the diaphragm 131 and is fixedly connected to the second top wall 113.
The second sidewall 111 and the magnetic steel 122 are disposed at an interval to form a magnetic gap 15, and one end of the voice coil 132 is fixedly connected to the diaphragm 131, and the other end is suspended in the magnetic gap 15. The loudspeaker 10 further comprises a pole piece 15 covering the side of the magnetic steel 122 away from the lower clamping plate 121.
Compared with the prior art, the bottom of the metal frame 11 is provided with the mounting hole 110 communicated with the accommodating space, the lower clamping plate 121 is embedded in the mounting hole 110, the loudspeaker 10 further comprises the magnetic conduction member 14 which is coated on the outer sides of the lower clamping plate 121 and the metal frame 11 and is used for fixing the lower clamping plate 121 on the metal frame 11, and the metal frame 11 is stably fixed on the lower clamping plate 121 through the magnetic conduction member 14, so that the fixing strength between the magnetic circuit system 12 and the metal frame 11 can be improved, and the condition that the magnetic circuit system 12 is badly dropped when the loudspeaker 10 is dropped is further reduced.
The embodiment of the invention also provides electronic equipment which comprises the loudspeaker, so that the fixing strength between the magnetic circuit system and the metal basin frame can be improved, and the condition that the magnetic circuit system is badly dropped when the loudspeaker in the electronic equipment is dropped is further reduced. The speaker is the aforementioned speaker shown in fig. 1-2, and will not be described herein.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims (7)

1. The utility model provides a loudspeaker, metal basin frame that has accommodating space, accept in the magnetic circuit of metal basin frame and by the magnetic circuit drive is with the vibration system of vibration sound production, vibration system includes vibrating diaphragm and drive the voice coil loudspeaker voice coil of vibrating diaphragm vibration, the vibrating diaphragm is fixed on the metal basin frame, magnetic circuit includes the lower plate and fixes magnet steel on the lower plate, a serial communication port, the mounting hole with the accommodating space intercommunication is seted up to the bottom of metal basin frame, the lower plate inlays to be established in the mounting hole, loudspeaker still including the cladding in the lower plate and metal basin frame outside are used for with the lower plate is fixed magnetic conduction spare on the metal basin frame, magnetic conduction spare through the welding with metal basin frame and the junction fixed connection of lower plate.
2. The loudspeaker of claim 1, wherein the magnetic conducting member comprises a first bottom wall and first side walls formed by bending and extending along two opposite ends of the first bottom wall, the first bottom wall is located at the bottoms of the metal frame and the lower clamp plate, the first side walls are located at the outer side of the metal frame, and the magnetic conducting member is fixedly connected with the metal frame through welding.
3. The loudspeaker according to claim 2, wherein the metal frame includes a second sidewall and a second bottom wall extending from the second sidewall into the accommodating space, the second bottom wall is provided with the mounting hole, the first bottom wall of the magnetic conductive member covers the second bottom wall and the outer side of the lower plate, the first sidewall of the magnetic conductive member is located on the outer side of the second sidewall, and the first bottom wall is fixedly connected to the joint of the second bottom wall and the lower plate by welding.
4. The loudspeaker of claim 3, wherein the metal frame further comprises a second top wall formed by bending and extending one end of the second side wall away from the second bottom wall towards a direction away from the accommodating space, and the diaphragm is fixedly connected with the second top wall.
5. The loudspeaker of claim 4, wherein the magnetic conducting member further comprises a first top wall formed by bending and extending one end of the first side wall, which is far away from the first bottom wall, in a direction far away from the metal frame, and the first top wall is located on one side of the second top wall, which is far away from the diaphragm, and is fixedly connected with the second top wall.
6. The loudspeaker of claim 3, wherein the second side wall is spaced apart from the magnetic steel to form a magnetic gap, and one end of the voice coil is fixedly connected to the diaphragm and the other end of the voice coil is suspended in the magnetic gap.
7. An electronic device, characterized in that it comprises a loudspeaker according to any one of claims 1-6.
CN201710665849.4A 2017-08-07 2017-08-07 Speaker and electronic equipment Active CN107396262B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710665849.4A CN107396262B (en) 2017-08-07 2017-08-07 Speaker and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710665849.4A CN107396262B (en) 2017-08-07 2017-08-07 Speaker and electronic equipment

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CN107396262A CN107396262A (en) 2017-11-24
CN107396262B true CN107396262B (en) 2021-02-12

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110191403A (en) * 2019-06-11 2019-08-30 瑞声科技(新加坡)有限公司 Loudspeaker
CN110267169B (en) * 2019-06-11 2021-06-22 瑞声科技(新加坡)有限公司 Loudspeaker
CN112165662B (en) * 2020-10-22 2021-09-28 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker

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CN203015105U (en) * 2012-11-26 2013-06-19 瑞声光电科技(常州)有限公司 Sounder
CN103581805A (en) * 2013-10-28 2014-02-12 瑞声光电科技(常州)有限公司 Electroacoustic device and assembling method thereof

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Publication number Priority date Publication date Assignee Title
CN1234258C (en) * 2003-04-14 2005-12-28 黄革雄 Double-voice coil counter-connection coupling moving-coil loudspeaker
CN101365256A (en) * 2008-09-19 2009-02-11 瑞声声学科技(常州)有限公司 Linear vibrator device
CN202713600U (en) * 2012-07-31 2013-01-30 郑全录 Dual magnetic rare earth loudspeaker
CN203136152U (en) * 2013-01-18 2013-08-14 瑞声光电科技(常州)有限公司 Electromagnetic loudspeaker
CN203747999U (en) * 2014-01-13 2014-07-30 瑞声光电科技(常州)有限公司 Micro sounder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203015105U (en) * 2012-11-26 2013-06-19 瑞声光电科技(常州)有限公司 Sounder
CN103581805A (en) * 2013-10-28 2014-02-12 瑞声光电科技(常州)有限公司 Electroacoustic device and assembling method thereof

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