CN107920301A - A kind of loudspeaker - Google Patents

A kind of loudspeaker Download PDF

Info

Publication number
CN107920301A
CN107920301A CN201711132412.0A CN201711132412A CN107920301A CN 107920301 A CN107920301 A CN 107920301A CN 201711132412 A CN201711132412 A CN 201711132412A CN 107920301 A CN107920301 A CN 107920301A
Authority
CN
China
Prior art keywords
loudspeaker
sound
horn bracket
magnet steel
outlet hole
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.)
Pending
Application number
CN201711132412.0A
Other languages
Chinese (zh)
Inventor
常爱民
刘军生
周双健
杨风景
郑浩斌
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.)
Polytron Technologies Inc Ningbo
Original Assignee
Polytron Technologies Inc Ningbo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polytron Technologies Inc Ningbo filed Critical Polytron Technologies Inc Ningbo
Priority to CN201711132412.0A priority Critical patent/CN107920301A/en
Publication of CN107920301A publication Critical patent/CN107920301A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • 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
    • 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
    • H04R9/04Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The present invention relates to a kind of sound issue device, more particularly to a kind of loudspeaker.The present invention forms the cavity of an electric signal after being electrically connected horn bracket and magnet steel; when loudspeaker are fitted into a mobile terminal; as long as magnet steel is connected with the earth signal of mobile terminal; this cavity reforms into a shield; when there is electrostatic to pass through horn bracket, because horn bracket is connected with the earth signal of mobile terminal, impedance is small; electrostatic by horn bracket, magnet steel by Electro-static Driven Comb, so as to protect loudspeaker from the interference of electrostatic.

Description

A kind of loudspeaker
Technical field
The present invention relates to a kind of sound issue device, more particularly to a kind of loudspeaker.
Background technology
In the terminal, loudspeaker will externally make a sound, and be usually provided with sound outlet hole, these sound outlet holes be also electrostatic into Enter the better channels of equipment.On the passage of these electrostatic invasion, the best method for defending electrostatic is exactly to dredge.Electrostatic is by going out Sound hole, into the coil of loudspeaker, subsequently into the master chip of mobile equipment, so as to destroy master chip, prevents mobile equipment from just Often work.
In addition, when having electromagnetic interference around loudspeaker, electromagnetic interference may be coupled to coil, causes loudspeaker to send ear-piercing Noise.
The content of the invention
In view of the problems of the existing technology, a kind of loudspeaker are now provided.
Specific technical solution is as follows:
A kind of loudspeaker, including:
Horn bracket, the horn bracket surrounds the coil of the loudspeaker, to provide support for the loudspeaker;
Magnet steel, is electrically connected with the horn bracket;And the coil vibrates in the magnet steel;
The sound film being arranged between the horn bracket and the magnet steel, the sound film respectively with the horn bracket and institute State magnet steel contact;
Wherein, one end ground connection of the magnet steel.
Preferably, further include:
Signal wire connecting portion, is electrically connected with the coil, to the signal for the coil output of transferring.
Preferably, further include:
Shell, is connected by a sound chamber sealing ring with the horn bracket.
Preferably, the first sound outlet hole is set on the shell;And the sound sends institute by first sound outlet hole State outside loudspeaker.
Preferably, the number of first sound outlet hole is multiple.
Preferably, the horn bulb is equipped with the second sound outlet hole, and the position of second sound outlet hole goes out with described first The position correspondence of sound hole.
Preferably, the material of the horn bracket is stainless steel material.
Preferably, the material of the sound film is insulating materials.
Preferably, the material conductive material of the magnet steel.
A kind of mobile terminal, including above-mentioned loudspeaker.
The beneficial effect of above-mentioned technical proposal is:
The cavity of an electric signal is formed after horn bracket and magnet steel are electrically connected, when loudspeaker are fitted into a mobile terminal When, as long as magnet steel is connected with the earth signal of mobile terminal, this cavity reforms into a shield, passes through loudspeaker when there is electrostatic During stent, because horn bracket is connected with the earth signal of mobile terminal, impedance is small, and electrostatic is by horn bracket, magnet steel by electrostatic Release, so as to protect loudspeaker from the interference of electrostatic.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the embodiment of loudspeaker of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, following technical proposals, can be mutually combined between technical characteristic.
The embodiment of the present invention is further described below in conjunction with the accompanying drawings:
A kind of loudspeaker are present embodiments provided, as shown in Figure 1, including:
Horn bracket, the horn bracket surrounds the coil of the loudspeaker, to provide support for the loudspeaker;
Magnet steel, is electrically connected with the horn bracket;And the coil vibrates in the magnet steel;
The sound film being arranged between the horn bracket and the magnet steel, the sound film respectively with the horn bracket and institute State magnet steel contact;
Wherein, one end ground connection of the magnet steel.
In the present embodiment, if horn bracket is electrically connected without with magnet steel, there is electromagnetic interference around loudspeaker (receiver) When, electromagnetic interference can be coupled to the coil of loudspeaker by horn bracket, cause loudspeaker to send ear-piercing noise.The present embodiment In, horn bracket and magnet steel are linked together by conductive material, the cavity of an electric signal is formed, there is electricity around loudspeaker During magnetic disturbance, because the shield that the stent of loudspeaker and magnet steel are formed, by electromagnetic interference signal shielding outside the coil of loudspeaker, make Loudspeaker are from the interference of electromagnetic wave, and electrostatic can also be grounded by magnet steel and realize Electro-static Driven Comb, so as to prevent electrostatic from sending out loudspeaker Go out sound to interfere.
In a preferred embodiment of the invention, further include:
Signal wire connecting portion, is electrically connected with the coil, to the signal for the coil output of transferring.
In a preferred embodiment of the invention, further include:
Shell, is connected by a sound chamber sealing ring with the horn bracket.
In a preferred embodiment of the invention, the first sound outlet hole is set on the shell;And the sound passes through institute The first sound outlet hole is stated to send outside the loudspeaker.
In a preferred embodiment of the invention, the number of first sound outlet hole is multiple.
In a preferred embodiment of the invention, the horn bulb is equipped with the second sound outlet hole, second sound outlet hole Position and first sound outlet hole position correspondence.
In above-described embodiment, loudspeaker will externally make a sound, so having had to sound outlet hole, these sound outlet holes are also electrostatic Into the better channels of equipment, on the passage of these electrostatic invasion, the best method for defending electrostatic is exactly to dredge.The present embodiment Antistatic loudspeaker (receiver) design of proposition is namely based on this theory and designs.
Loudspeaker sectional view in the terminal is as shown in Figure 1, sound film of trumpet and non-conductive, so horn bracket and magnet steel Circuit connects, and electrostatic enters the coil of loudspeaker by sound outlet hole, if horn bracket does not have circuit to connect with magnet steel, passes through loudspeaker Signal wiring pin enters the master chip of mobile terminal, so as to destroy master chip, makes mobile terminal cisco unity malfunction.
But in the present embodiment, horn bracket is connected with magnet steel circuit so that electrostatic by between loudspeaker and magnet steel be grounded, Electro-static Driven Comb is realized, eliminates the interference that electrostatic works loudspeaker.
In a preferred embodiment of the invention, the material of the horn bracket is stainless steel material.
In a preferred embodiment of the invention, the material of the sound film is insulating materials.
In a preferred embodiment of the invention, the material conductive material of the magnet steel.
A kind of mobile terminal, including above-mentioned loudspeaker.
In the present embodiment, when loudspeaker load mobile terminal, as long as the earth signal phase in the magnet steel and mobile terminal of loudspeaker Connection, this cavity reform into a shield.When have electrostatic by sound outlet hole reach horn bracket when because horn bracket and The earth signal system of mobile terminal is connected, and impedance is small, and electrostatic is by horn bracket, magnet steel by the ground of Electro-static Driven Comb to mobile terminal Signal system, so as to protect horn coil from the interference of electrostatic.
By explanation and attached drawing, the exemplary embodiments of the specific structure of embodiment are given, it is smart based on the present invention God, can also make other conversions.Although foregoing invention proposes existing preferred embodiment, however, these contents are not intended as Limitation.
For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident. Therefore, appended claims should regard whole variations and modifications of the true intention and scope that cover the present invention as.Weighing Any and all scope and content of equal value, are all considered as still belonging to the intent and scope of the invention in the range of sharp claim.

Claims (10)

  1. A kind of 1. loudspeaker, it is characterised in that including:
    Horn bracket, the horn bracket surrounds the coil of the loudspeaker, to provide support for the loudspeaker;
    Magnet steel, is electrically connected with the horn bracket;And the coil vibrates in the magnet steel;
    The sound film being arranged between the horn bracket and the magnet steel, the sound film respectively with the horn bracket and the magnetic Steel contacts;
    Wherein, one end ground connection of the magnet steel.
  2. 2. loudspeaker according to claim 1, it is characterised in that further include:
    Signal wire connecting portion, is electrically connected with the coil, to the signal for the coil output of transferring.
  3. 3. loudspeaker according to claim 1, it is characterised in that further include:
    Shell, is connected by a sound chamber sealing ring with the horn bracket.
  4. 4. loudspeaker according to claim 3, it is characterised in that the first sound outlet hole is set on the shell;And the sound Sound is sent outside the loudspeaker by first sound outlet hole.
  5. 5. loudspeaker according to claim 4, it is characterised in that the number of first sound outlet hole is multiple.
  6. 6. loudspeaker according to claim 3, it is characterised in that the horn bulb is equipped with the second sound outlet hole, and described The position of two sound outlet holes and the position correspondence of first sound outlet hole.
  7. 7. loudspeaker according to claim 1, it is characterised in that the material of the horn bracket is stainless steel material.
  8. 8. loudspeaker according to claim 1, it is characterised in that the material of the sound film is insulating materials.
  9. 9. loudspeaker according to claim 1, it is characterised in that the material conductive material of the magnet steel.
  10. 10. a kind of mobile terminal, it is characterised in that including any one of loudspeaker of such as claim 1-9.
CN201711132412.0A 2017-11-15 2017-11-15 A kind of loudspeaker Pending CN107920301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711132412.0A CN107920301A (en) 2017-11-15 2017-11-15 A kind of loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711132412.0A CN107920301A (en) 2017-11-15 2017-11-15 A kind of loudspeaker

Publications (1)

Publication Number Publication Date
CN107920301A true CN107920301A (en) 2018-04-17

Family

ID=61895644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711132412.0A Pending CN107920301A (en) 2017-11-15 2017-11-15 A kind of loudspeaker

Country Status (1)

Country Link
CN (1) CN107920301A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108600926A (en) * 2018-06-05 2018-09-28 上海摩软通讯技术有限公司 Front shell assemblies

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080298629A1 (en) * 2007-05-31 2008-12-04 Kun-Li Huang Loudspeaker
CN201805545U (en) * 2010-09-25 2011-04-20 幻响神州(北京)科技有限公司 Water-proof large-power audio vibration energy converter
CN202310075U (en) * 2011-08-10 2012-07-04 美律电子(深圳)有限公司 Electro-acoustic transducer having shielding function
CN102868958A (en) * 2012-09-21 2013-01-09 天津朝海科技有限公司 Loudspeaker free from electromagnetic radiation
CN104486710A (en) * 2014-12-25 2015-04-01 上海创功通讯技术有限公司 Loudspeaker and mobile terminal comprising same
WO2015103731A1 (en) * 2014-01-07 2015-07-16 易力声科技(深圳)有限公司 Loudspeaker diaphragm, and loudspeaker equipped with the diaphragm
CN204761645U (en) * 2015-06-14 2015-11-11 高邮市华声电子有限公司 Moving -coil wide band mouthpiece
CN205847556U (en) * 2016-05-26 2016-12-28 瑞声科技(新加坡)有限公司 Speaker
CN205961439U (en) * 2016-07-20 2017-02-15 瑞声科技(新加坡)有限公司 Loudspeaker
CN206341412U (en) * 2016-12-23 2017-07-18 深圳市音沃仕科技有限公司 A kind of loudspeaker module
CN206506686U (en) * 2017-03-03 2017-09-19 广州市天奥音响有限公司 A kind of high-fidelity transducer of sound equipment

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080298629A1 (en) * 2007-05-31 2008-12-04 Kun-Li Huang Loudspeaker
CN201805545U (en) * 2010-09-25 2011-04-20 幻响神州(北京)科技有限公司 Water-proof large-power audio vibration energy converter
CN202310075U (en) * 2011-08-10 2012-07-04 美律电子(深圳)有限公司 Electro-acoustic transducer having shielding function
CN102868958A (en) * 2012-09-21 2013-01-09 天津朝海科技有限公司 Loudspeaker free from electromagnetic radiation
WO2015103731A1 (en) * 2014-01-07 2015-07-16 易力声科技(深圳)有限公司 Loudspeaker diaphragm, and loudspeaker equipped with the diaphragm
CN104486710A (en) * 2014-12-25 2015-04-01 上海创功通讯技术有限公司 Loudspeaker and mobile terminal comprising same
CN204761645U (en) * 2015-06-14 2015-11-11 高邮市华声电子有限公司 Moving -coil wide band mouthpiece
CN205847556U (en) * 2016-05-26 2016-12-28 瑞声科技(新加坡)有限公司 Speaker
CN205961439U (en) * 2016-07-20 2017-02-15 瑞声科技(新加坡)有限公司 Loudspeaker
CN206341412U (en) * 2016-12-23 2017-07-18 深圳市音沃仕科技有限公司 A kind of loudspeaker module
CN206506686U (en) * 2017-03-03 2017-09-19 广州市天奥音响有限公司 A kind of high-fidelity transducer of sound equipment

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* Cited by examiner, † Cited by third party
Title
王以真: "《实用扬声器技术手册》", 1 April 2003, 国防工业出版社 *
蒋力立: "《电工与电子技术实训》", 31 August 2013, 武汉大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108600926A (en) * 2018-06-05 2018-09-28 上海摩软通讯技术有限公司 Front shell assemblies

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Application publication date: 20180417