CN106210994B - Manufacturing method of anti-electromagnetic interference bone conduction loudspeaker - Google Patents
Manufacturing method of anti-electromagnetic interference bone conduction loudspeaker Download PDFInfo
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- CN106210994B CN106210994B CN201610644441.4A CN201610644441A CN106210994B CN 106210994 B CN106210994 B CN 106210994B CN 201610644441 A CN201610644441 A CN 201610644441A CN 106210994 B CN106210994 B CN 106210994B
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- vibration transmission
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- vibrating diaphragm
- fixing
- vibration
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 46
- 239000003292 glue Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 231100000252 nontoxic Toxicity 0.000 claims description 4
- 230000003000 nontoxic effect Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 230000002087 whitening effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 208000002173 dizziness Diseases 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 210000004556 brain Anatomy 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000000860 cochlear nerve Anatomy 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses an anti-electromagnetic interference bone conduction loudspeaker and a manufacturing method thereof, a magnetic system is composed of a magnet bottom plate, a permanent magnet, a balance armature, a pivot, a magnetic conduction plate, a coil and a vibrating diaphragm, the balance armature fixed on the pivot can move, so the balance armature can move in a permanent magnetic field, when current passes through the coil, the balance armature can be charged in a single direction or a reverse direction, the balance armature can move due to the action of magnetic force to cause air flow, so the vibrating diaphragm vibrates, the vibrating diaphragm and the vibrating plate are connected through a vibrating spring, the vibrating plate and a panel are connected through a vibrating spring, the bone conduction loudspeaker is connected with the outside through the panel, the vibration can be transmitted to a human bone, so sound is generated, the inner side of a loudspeaker body is provided with flexible graphite, electromagnetic interference can be prevented, noise is reduced, the structure is closed, and is not interfered by external environmental factors, the sound is clear without noise and noise, and the brain will not be dizzy after long-time use.
Description
Technical Field
The invention relates to the technical field of bone conduction speakers, in particular to a manufacturing method of an anti-electromagnetic interference bone conduction speaker.
Background
In the prior art, the principle of hearing sound is that vibration in the air transmits vibration to the eardrum through the external auditory meatus, and the vibration formed by the eardrum drives the auditory nerve of a human, thereby sensing the vibration of sound. When the existing bone conduction speaker works, the sound is generally transmitted to the auditory nerve of a person through the skin, subcutaneous tissues and bones of the person, so that the person can hear the sound. When a bone conduction speaker of the related art is operated, a housing to which a diaphragm is fixed via a fixing block vibrates along with the diaphragm, and therefore the vibration surface of the housing is brought into contact with the back of the ear, the cheek, the forehead, or the like, and the vibration is transmitted as a bone conduction sound, so that a sound can be heard clearly. However, the existing bone conduction speaker is interfered by the environment such as external temperature, humidity, electromagnetic wave and the like, so that noise is too much in a severe environment, and the tone quality is unclear; moreover, the bone conduction speaker has a loud noise, causes discomfort such as dizziness after long-term use, is easy to burden a wearer, has low conversion efficiency in the aspect of electroacoustic conversion rate, and causes large power consumption and insufficient cruising ability.
Disclosure of Invention
Aiming at the problems of unclear tone quality, high noise and the like of the conventional bone conduction speaker, the invention aims to solve the technical problem of providing an anti-electromagnetic interference bone conduction speaker and a manufacturing method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides an anti-electromagnetic interference bone conduction speaker, includes panel and permanent magnet, its characterized in that: the panel below is equipped with the biography vibration piece, be equipped with first transmission spring between panel and the biography vibration piece, it is equipped with the vibrating diaphragm to pass the vibration piece below, pass and be equipped with the second in the middle of the vibration piece and the vibrating diaphragm and pass the vibration spring, pass vibration piece both ends and vibrating diaphragm both ends and be equipped with the connecting block, vibrating diaphragm and this body coupling of speaker, speaker body inboard is equipped with the shielding layer, be equipped with the through-hole on the speaker body, be equipped with the electric wire in the through-hole, the electric wire passes through the through-hole and is connected with the coil, the coil winding is at balanced armature both ends, balanced armature passes through the pivot fixed speaker originally internally, balanced armature below is equipped with the permanent magnet, the permanent magnet below is equipped with the.
The preferable scheme of the scheme is as follows: the thickness of the vibration transmission piece is 0.08-0.2 mm.
The preferable scheme of the scheme is as follows: and a groove is arranged on the magnet bottom plate.
The preferable scheme of the scheme is as follows: the glue is a lottacte 3011 medical type UV curing glue or other glue with the same function.
The preferable scheme of the scheme is as follows: the connecting block is made of natural rubber.
The preferable scheme of the scheme is as follows: the size of the first vibration transmission spring is 1-3 mm.
The preferable scheme of the scheme is as follows: the shielding layer is made of flexible graphite
Correspondingly, the invention provides a manufacturing method of the anti-electromagnetic interference bone conduction speaker, which comprises the following steps:
(1) selecting SUS304 stainless steel material as vibration transmission sheet and panel, and making the vibration transmission sheet into 0.08-0.2mm thickness;
(2) baking and heating the vibration transmission sheet and the surface of the panel to generate black oxide skin, and performing immersion cleaning by using a non-toxic cleaning solution with an inorganic additive to achieve the purpose of whitening the natural color of the stainless steel;
(3) firstly, arranging a vibration transmission spring between a panel and a vibration transmission sheet, and then arranging the vibration transmission spring between the vibration transmission sheet and a vibrating diaphragm;
(4) installing flexible graphite on the inner side of a loudspeaker body, fixing a magnet baseplate in the loudspeaker body, fixing a magnetic conduction plate on a groove of the magnet baseplate, and fixing a permanent magnet on the magnetic conduction plate;
(5) winding coils at two ends of the balanced armature, wherein the coils start to be wound from a position 0.4mm away from the top end of the balanced armature, the wire diameter is 0.4-0.8mm, and the number of winding layers is 4-8;
(6) fixing a pivot in the loudspeaker body, and arranging a balance armature wound with a coil on the pivot;
(7) use electric wire and coil to connect, the through-hole on the electric wire passed the speaker body, filled loctite3011, UV glue in the through-hole, use the ultraviolet ray with UV solidification, the energy is 100mW/cm2, time: 30S, the wire fixing device has the function of fixing the wire and can seal the loudspeaker;
(8) the vibrating diaphragm is connected with the loudspeaker body through the connecting block and is sealed.
The beneficial effects are that: the bone conduction speaker of the invention comprises a magnetic system through the magnet bottom plate, the permanent magnet, the balance armature, the pivot, the magnetic conduction plate, the coil and the vibrating diaphragm, the balance armature fixed on the pivot can move, so the balance armature can move in a permanent magnetic field, when current passes through the coil, the balance armature can be magnetized in a single direction or a reverse direction, the balance armature can move due to the action of magnetic force, so as to cause air flow, thereby causing the vibrating diaphragm to vibrate, the vibrating diaphragm and the vibrating transmission sheet are connected through the vibrating transmission spring, the vibrating transmission sheet and the panel are connected through the vibrating transmission spring, the bone conduction speaker is connected with the outside through the panel, so as to transmit the vibration to the human bone, thereby generating sound, the flexible graphite is arranged on the inner side of the speaker body, thereby electromagnetic interference can be prevented, noise is reduced, the closed structure is free from being interfered by external environmental factors, the sound is, it can be used for a long time without dizziness.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the bone conduction speaker with electromagnetic interference resistance of this embodiment includes a panel 8 and a permanent magnet 5, a vibration plate 1 is disposed below the panel 8, a first vibration transmission spring 9 is disposed between the panel 8 and the vibration plate 1, a vibration diaphragm 2 is disposed below the vibration plate 1, a second vibration transmission spring 16 is disposed between the middle of the vibration plate 1 and the middle of the vibration diaphragm 2, connection blocks 15 are disposed at two ends of the vibration plate 1 and two ends of the vibration diaphragm 2, the vibration diaphragm 2 is connected to a speaker body 3, a shielding layer 10 is disposed inside the speaker body 3, a through hole 14 is disposed on the speaker body 3, an electric wire 12 is disposed in the through hole 14, the electric wire 12 passes through the through hole 14 and is connected to a coil 17, the coil 17 is wound at two ends of a balance armature 4, the balance armature 4 is fixed inside the speaker body 3 by a pivot 11, the permanent magnet 5 is, the through hole 14 is filled with glue 13.
The manufacturing method of the anti-electromagnetic interference bone conduction speaker comprises the following steps:
(1) selecting a vibration transmission sheet and a panel as SUS304 stainless steel materials, and manufacturing the vibration transmission sheet into a thickness of 0.08 mm;
(2) baking and heating the vibration transmission sheet and the surface of the panel to generate black oxide skin, and performing immersion cleaning by using a non-toxic cleaning solution with an inorganic additive to achieve the purpose of whitening the natural color of the stainless steel;
(3) firstly, arranging a vibration transmission spring with the length of 1mm between a panel and a vibration transmission sheet, and then arranging the vibration transmission spring between the vibration transmission sheet and a vibrating diaphragm;
(4) installing flexible graphite on the inner side of a loudspeaker body, fixing a magnet baseplate in the loudspeaker body, fixing a magnetic conduction plate on a groove of the magnet baseplate, and fixing a permanent magnet on the magnetic conduction plate;
(5) winding coils at two ends of the balanced armature, wherein the coils start to be wound from a position 0.4mm away from the top end of the balanced armature, the wire diameter is 0.4mm, and the number of winding layers is 4;
(6) fixing a pivot in the loudspeaker body, and arranging a balance connector wound with a coil on the iron pivot;
(7) use electric wire and coil to connect, the through-hole on the electric wire passed the speaker body, filled loctite3011, UV glue in the through-hole, use the ultraviolet ray with UV solidification, the energy is 100mW/cm2, time: 30S, the wire fixing device has the function of fixing the wire and can seal the loudspeaker;
(8) the vibrating diaphragm is connected with the loudspeaker body through the connecting block and is sealed.
Through the method, the low-frequency anti-electromagnetic interference bone conduction loudspeaker can be obtained, because the thickness of the vibration transmission sheet is 0.08mm, the spring between the panel and the vibration transmission sheet is 1mm, the spring is short, and the amplitude of the panel is small.
Example 2
As shown in fig. 1, the bone conduction speaker with electromagnetic interference resistance of this embodiment includes a panel 8 and a permanent magnet 5, a vibration plate 1 is disposed below the panel 8, a first vibration transmission spring 9 is disposed between the panel 8 and the vibration plate 1, a vibration diaphragm 2 is disposed below the vibration plate 1, a second vibration transmission spring 16 is disposed between the middle of the vibration plate 1 and the middle of the vibration diaphragm 2, connection blocks 15 are disposed at two ends of the vibration plate 1 and two ends of the vibration diaphragm 2, the vibration diaphragm 2 is connected to a speaker body 3, a shielding layer 10 is disposed inside the speaker body 3, a through hole 14 is disposed on the speaker body 3, an electric wire 12 is disposed in the through hole 14, the electric wire 12 passes through the through hole 14 and is connected to a coil 17, the coil 17 is wound at two ends of a balance armature 4, the balance armature 4 is fixed inside the speaker body 3 by a pivot 11, the permanent magnet 5 is, the through hole 14 is filled with glue 13.
The manufacturing method of the anti-electromagnetic interference bone conduction speaker comprises the following steps:
(1) selecting a vibration transmission sheet and a panel as SUS304 stainless steel materials, and manufacturing the vibration transmission sheet into a thickness of 0.2 mm;
(2) baking and heating the vibration transmission sheet and the surface of the panel to generate black oxide skin, and performing immersion cleaning by using a non-toxic cleaning solution with an inorganic additive to achieve the purpose of whitening the natural color of the stainless steel;
(3) firstly, arranging a vibration transmission spring with the length of 3mm between a panel and a vibration transmission sheet, and then arranging the vibration transmission spring between the vibration transmission sheet and a vibrating diaphragm;
(4) installing flexible graphite on the inner side of a loudspeaker body, fixing a magnet baseplate in the loudspeaker body, fixing a magnetic conduction plate on a groove of the magnet baseplate, and fixing a permanent magnet on the magnetic conduction plate;
(5) winding coils at two ends of the balanced armature, wherein the coils start to be wound from a position 0.4mm away from the top end of the balanced armature, the wire diameter is 0.8mm, and the number of winding layers is 8;
(6) fixing a pivot in the loudspeaker body, and arranging a balance armature wound with a coil on the pivot;
(7) use electric wire and coil to connect, the through-hole on the electric wire passed the speaker body, filled loctite3011, UV glue in the through-hole, use the ultraviolet ray with UV solidification, the energy is 100mW/cm2, time: 30S, the wire fixing device has the function of fixing the wire and can seal the loudspeaker;
(8) the vibrating diaphragm is connected with the loudspeaker body through the connecting block and is sealed.
Through the method, the high-frequency anti-electromagnetic interference bone conduction loudspeaker can be obtained, because the thickness of the vibration transmission sheet is 0.2mm, the spring between the panel and the vibration transmission sheet is 3mm, the spring is longer, and the amplitude of the panel is larger.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.
Claims (1)
1. A manufacturing method of an anti-electromagnetic interference bone conduction speaker is characterized in that: the method comprises the following specific steps:
(1) selecting SUS304 stainless steel material as vibration transmission sheet and panel, and making the vibration transmission sheet into 0.08-0.2mm thickness;
(2) baking and heating the vibration transmission sheet and the surface of the panel to generate black oxide skin, and performing immersion cleaning by using a non-toxic cleaning solution with an inorganic additive to achieve the purpose of whitening the natural color of the stainless steel;
(3) arranging a vibration transmission piece below the panel, arranging a first vibration transmission spring between the panel and the vibration transmission piece, arranging a vibrating diaphragm below the vibration transmission piece, arranging a second vibration transmission spring between the vibration transmission piece and the vibrating diaphragm, arranging connecting blocks at two ends of the vibration transmission piece and two ends of the vibrating diaphragm, and connecting the vibrating diaphragm with the loudspeaker body;
(4) installing flexible graphite on the inner side of a loudspeaker body, fixing a magnet baseplate in the loudspeaker body, fixing a magnetic conduction plate on a groove of the magnet baseplate, and fixing a permanent magnet on the magnetic conduction plate;
(5) winding coils at two ends of the balanced armature, wherein the coils start to be wound from a position 0.4mm away from the top end of the balanced armature, the wire diameter is 0.4-0.8mm, and the number of winding layers is 4-8;
(6) fixing a pivot in the loudspeaker body, and arranging a balance armature wound with a coil on the pivot;
(7) use electric wire and coil to connect, the through-hole on the electric wire passed the speaker body, filled loctite3011, UV glue in the through-hole, use the ultraviolet ray with UV solidification, the energy is 100mW/cm2, time: 30S, the wire fixing device has the function of fixing the wire and can seal the loudspeaker;
(8) the vibrating diaphragm is connected with the loudspeaker body through the connecting block and is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644441.4A CN106210994B (en) | 2016-08-09 | 2016-08-09 | Manufacturing method of anti-electromagnetic interference bone conduction loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644441.4A CN106210994B (en) | 2016-08-09 | 2016-08-09 | Manufacturing method of anti-electromagnetic interference bone conduction loudspeaker |
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| Publication Number | Publication Date |
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| CN106210994A CN106210994A (en) | 2016-12-07 |
| CN106210994B true CN106210994B (en) | 2019-12-20 |
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| CN201610644441.4A Active CN106210994B (en) | 2016-08-09 | 2016-08-09 | Manufacturing method of anti-electromagnetic interference bone conduction loudspeaker |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108009308B (en) * | 2017-09-30 | 2021-07-09 | 河南理工大学 | Conducted electromagnetic interference prediction method |
| CN107613440A (en) * | 2017-11-03 | 2018-01-19 | 上海安费诺永亿通讯电子有限公司 | A kind of casing for the device for being provided with loudspeaker |
| CN108449699B (en) * | 2018-06-04 | 2023-07-18 | 汉得利（常州）电子股份有限公司 | Electroacoustic conversion device of precision mechanical balance arm |
| CN113709638B (en) * | 2021-08-31 | 2023-08-01 | 安徽井利电子有限公司 | Anti-electromagnetic interference loudspeaker system and anti-interference method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301747A (en) * | 2008-09-22 | 2011-12-28 | 声束有限公司 | Balanced Armature Devices And Methods For Hearing |
| CN202435599U (en) * | 2011-12-23 | 2012-09-12 | 深圳市韶音科技有限公司 | Bone-conduction speaker device |
| CN202679630U (en) * | 2012-06-08 | 2013-01-16 | 瑞声光电科技(常州)有限公司 | Flat sounding apparatus with bone conduction device |
| CN105101020A (en) * | 2015-08-13 | 2015-11-25 | 深圳市韶音科技有限公司 | Method for improving tone quality of bone conduction speaker and bone conduction speaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3556168B2 (en) * | 2000-12-27 | 2004-08-18 | 株式会社テムコジャパン | Bone conduction speaker |
| KR200401424Y1 (en) * | 2005-09-08 | 2005-11-15 | 이동원 | Bone conductive speaker |
-
2016
- 2016-08-09 CN CN201610644441.4A patent/CN106210994B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301747A (en) * | 2008-09-22 | 2011-12-28 | 声束有限公司 | Balanced Armature Devices And Methods For Hearing |
| CN202435599U (en) * | 2011-12-23 | 2012-09-12 | 深圳市韶音科技有限公司 | Bone-conduction speaker device |
| CN202679630U (en) * | 2012-06-08 | 2013-01-16 | 瑞声光电科技(常州)有限公司 | Flat sounding apparatus with bone conduction device |
| CN105101020A (en) * | 2015-08-13 | 2015-11-25 | 深圳市韶音科技有限公司 | Method for improving tone quality of bone conduction speaker and bone conduction speaker |
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Denomination of invention: Manufacturing method of anti electromagnetic interference bone conduction loudspeaker Effective date of registration: 20211126 Granted publication date: 20191220 Pledgee: China Construction Bank Co.,Ltd. Suzhou High tech Industrial Development Zone Branch Pledgor: SUZHOU BEISHENG ACOUSTIC TECHNOLOGY Co.,Ltd. Registration number: Y2021320010504 |
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Granted publication date: 20191220 Pledgee: Shanghai Bank Co.,Ltd. Suzhou Branch Pledgor: SUZHOU BEISHENG ACOUSTIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980064489 |