CN108471582B - Receiver assembly and mobile terminal device - Google Patents
Receiver assembly and mobile terminal device Download PDFInfo
- Publication number
- CN108471582B CN108471582B CN201810475759.3A CN201810475759A CN108471582B CN 108471582 B CN108471582 B CN 108471582B CN 201810475759 A CN201810475759 A CN 201810475759A CN 108471582 B CN108471582 B CN 108471582B
- Authority
- CN
- China
- Prior art keywords
- metal
- receiver
- laser etching
- area
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 91
- 239000002184 metal Substances 0.000 claims abstract description 91
- 238000010329 laser etching Methods 0.000 claims abstract description 41
- 239000002390 adhesive tape Substances 0.000 claims abstract description 39
- 238000005034 decoration Methods 0.000 claims abstract description 25
- 239000006260 foam Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 229910052705 radium Inorganic materials 0.000 description 7
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04R9/08—Microphones
-
- 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
- H04R2410/00—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention is suitable for the technical field of communication equipment, and provides a receiver assembly and mobile terminal equipment, wherein the receiver assembly comprises a plastic part, a metal upper cover embedded in the plastic part, and a conductive double-sided adhesive tape, a metal receiver decoration part and sealing foam which are sequentially stacked, a first laser etching area is arranged on the surface of the metal upper cover, which is exposed out of the plastic part, a second laser etching area is arranged on the surface of one side, which is close to the conductive double-sided adhesive tape, of the metal receiver decoration part, and two opposite side surfaces of the conductive double-sided adhesive tape are respectively bonded with the first laser etching area and the second laser etching area. According to the invention, the conductive double-sided adhesive tape is adopted, and the first laser etching area and the second laser etching area are correspondingly arranged, so that the contact area between the metal telephone receiver decorating part and the metal upper cover is increased, the grounding area of the metal telephone receiver decorating part can be greatly increased, the grounding reliability of the metal telephone receiver decorating part is greatly enhanced, and the electrostatic damage risk of the metal telephone receiver decorating part is reduced.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and particularly relates to a receiver assembly and mobile terminal equipment.
Background
In the prior art, the requirement on the grounding reliability of the metal telephone receiver decorating part is high, but the currently adopted grounding mode is that the telephone receiver decorating part is bonded on the upper cover through a common double-sided adhesive tape, and laser carving is carried out on the surface of the telephone receiver decorating part which is not provided with the double-sided adhesive tape so as to enable the telephone receiver decorating part to be in contact with the upper cover, and then the grounding of the telephone receiver decorating part is realized. At this time, the contact area between the receiver decoration and the upper cover is small, the grounding reliability is low, and the requirement of the receiver decoration on the high grounding reliability cannot be met.
Disclosure of Invention
The invention aims to provide a receiver assembly, aiming at solving the technical problem that the receiver decorating part in the prior art is low in grounding reliability.
The invention is realized in such a way that a receiver assembly comprises a plastic part, a metal upper cover embedded in the plastic part, and a conductive double-sided adhesive tape, a metal receiver decorating part and sealing foam which are sequentially stacked, wherein the metal upper cover is provided with a surface area, the surface area is exposed out of the plastic part, a first laser etching area is arranged on the surface area, a second laser etching area is arranged on the surface of one side, close to the conductive double-sided adhesive tape, of the metal receiver decorating part, and two opposite side faces of the conductive double-sided adhesive tape are respectively bonded with the first laser etching area and the second laser etching area.
Furthermore, metal receiver decoration includes main part and fixed connection in the ear of main part one side, be provided with the through-hole region in the main part, a plurality of first through-holes have been seted up in the through-hole region, second radium carving district covers the ear and the main part is located the part all around in through-hole region.
Furthermore, the shape of the conductive double-sided adhesive tape is matched with that of the main body part, and a second through hole is formed in the position, corresponding to the through hole region, of the conductive double-sided adhesive tape.
Furthermore, the shape of the conductive double-sided adhesive tape is matched with that of the metal telephone receiver decorating part, and a second through hole is formed in the position, corresponding to the through hole area, of the conductive double-sided adhesive tape.
Furthermore, the shape of the sealing foam is matched with that of the metal telephone receiver decorating part, and a third through hole is formed in the position, corresponding to the through hole area, of the sealing foam.
Further, the first laser etching area covers the surface area of the metal upper cover.
Furthermore, a fourth through hole is formed in the plastic part, and the first laser etching area is arranged along the circumferential direction of the fourth through hole.
Further, the conductive double-sided adhesive tape is a conductive copper foil double-sided adhesive tape.
Further, the metal upper cover is a magnesium alloy upper cover.
Another object of the present invention is to provide a mobile terminal device, which includes the receiver assembly as described above.
The telephone receiver assembly and the mobile terminal device have the following beneficial effects that: compared with the prior art, its surface through exposing the plastic part at the metal upper cover sets up first radium carving district, the surface that is close to one side of electrically conductive double faced adhesive tape at metal receiver decoration sets up second radium carving district, this first radium carving district bonds through electrically conductive double faced adhesive tape with second radium carving district together, the ground connection of metal receiver decoration has been realized, and simultaneously, owing to adopted electrically conductive double faced adhesive tape and correspondingly set up first radium carving district and second radium carving district, the area of contact of metal receiver decoration and metal upper cover has been increased, the area of ground connection of metal receiver decoration can be greatly increased, and then the ground connection reliability of metal receiver decoration has been strengthened greatly, reduce the electrostatic injury risk of metal receiver decoration.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic partial perspective view (one) of a receiver assembly according to an embodiment of the present invention;
fig. 2 is a schematic partial perspective view (ii) of a receiver assembly according to an embodiment of the present invention;
fig. 3 is a schematic partial perspective view (iii) of a receiver assembly according to an embodiment of the present invention;
fig. 4 is a front view of a metal receiver decoration provided in an embodiment of the present invention;
fig. 5 is a schematic partial structural view of a plastic part and a metal upper cover according to an embodiment of the present invention.
Reference numerals referred to in the above figures are detailed below:
1-metal receiver decoration; 10-a via region; 101-a first via; 11-a body portion; 12-the ear; 2-conductive double-sided adhesive tape; 21-a second via; 3-sealing foam; 31-a third via; 4-plastic parts; 41-fourth via; 5-metal upper cover; 51-a first region; 52-a second region; 53-third area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
As shown in fig. 1 to 3, the receiver assembly of the embodiment of the invention includes a plastic part 4, a metal upper cover 5, a conductive double-sided tape 2, a metal receiver decoration part 1 and a sealing foam 3. Wherein, metal upper cover 5 inlays and locates in plastic part 4 and has the surface that exposes plastic part 4, electrically conductive double faced adhesive tape 2, metal receiver decoration 1 and sealed bubble cotton 3 stack gradually the setting, electrically conductive double faced adhesive tape 2 is used for pasting metal receiver decoration 1 in the surface of plastic part 4 and metal upper cover 5, make metal receiver decoration 1 and metal upper cover 5 be connected, and then realize the ground connection of metal receiver decoration 1, metal receiver decoration 1 can be in the same place with 5 firm concretions of metal upper cover simultaneously, in order to guarantee the reliability of ground connection. In addition, the surface of the metal upper cover 5 exposed out of the plastic part 4 is provided with a first laser etching area, and an oxidation layer on the surface of the metal upper cover 5 in the first laser etching area is removed by adopting a laser etching process, so that the surface of the metal upper cover 5 in the first laser etching area has conductive performance. The surface of one side of the metal receiver decorating part 1 close to the conductive double faced adhesive tape 2 is provided with a second laser etching area, and the insulating layer on the surface of the metal receiver decorating part 1 in the second laser etching area is removed by adopting a laser etching process, so that the surface of the metal receiver decorating part 1 in the second laser etching area has conductive performance. At this moment, the two opposite side surfaces of the conductive double-sided adhesive tape 2 are respectively bonded with the first laser etching area and the second laser etching area, so that the first laser etching area, the conductive double-sided adhesive tape 2 and the second laser etching area are connected together, and the metal receiver decorating part 1 is grounded.
Compared with the prior art, the embodiment of the invention has the advantages that the first laser etching area is arranged on the surface of the metal upper cover 5, which is exposed out of the plastic part 4, the second laser etching area is arranged on the surface of one side, which is close to the conductive double-sided adhesive tape 2, of the metal receiver decorating part 1, and the first laser etching area and the second laser etching area are bonded together through the conductive double-sided adhesive tape 2, so that the grounding of the metal receiver decorating part 1 is realized, meanwhile, the contact area between the metal receiver decorating part 1 and the metal upper cover 5 is increased due to the adoption of the conductive double-sided adhesive tape 2 and the arrangement of the first laser etching area and the second laser etching area correspondingly, the grounding area of the metal receiver decorating part 1 can be greatly increased, the grounding reliability of the metal receiver decorating part 1 is greatly enhanced, and the damage static risk of the metal receiver decorating part 1 is reduced.
Further, referring to fig. 4, in an embodiment of the present invention, the metal receiver decorative piece 1 includes a main body portion 11 and an ear portion 12. The ear portion 12 is fixedly connected to one side of the body portion 11. A through hole region 10 is provided in a central region of the main body portion 11, a plurality of first through holes 101 are provided in the through hole region 10, the plurality of first through holes 101 penetrate through the main body portion 11 in a thickness direction of the main body portion 11, and the plurality of first through holes 101 are uniformly arranged in the through hole region 10. In this embodiment, the second laser etching region covers the ear portion 12 and the peripheral portion of the main body portion 11 located in the through hole region 10, that is, the ear portion 12 and the peripheral portion of the main body portion 11 located in the through hole region 10 are laser etched, so that the laser etching region of the metal receiver decorating part 1 is increased. The cross-section of the through-hole region 10 is substantially elliptical, while the cross-section of the first through-hole 101 is circular or polygonal. Preferably, the ear portion 12 is integrally formed with the main body portion 11 for simplifying the structure and saving the cost.
Further, in an embodiment of the present invention, the shape of the conductive double-sided tape 2 matches the shape of the main body portion 11, that is, the shape of the conductive double-sided tape 2 is the same as the shape of the main body portion 11, so as to increase the contact area between the metal receiver decorative piece 1 and the metal upper cover 5, thereby improving the grounding reliability of the metal receiver decorative piece 1. Meanwhile, a second through hole 21 is formed in the position of the double-sided conductive adhesive tape 2 corresponding to the through hole region 10, and the second through hole 21 penetrates through the double-sided conductive adhesive tape 2 along the thickness direction of the double-sided conductive adhesive tape 2. In the present embodiment, the second through hole 21 has a substantially elliptical cross section. Preferably, the thickness of the conductive double-sided tape 2 is 0.1mm to 0.5mm, so as to achieve the greatest cost saving while the function can be realized. In addition, in the present embodiment, the ear portion 12 of the metal receiver garnish 1 is in direct contact with the metal upper cover 5.
In another embodiment of the present invention, the shape of the conductive double-sided tape 2 matches the shape of the metal receiver decorative part 1, that is, the shape of the conductive double-sided tape 2 is the same as the shape of the metal receiver decorative part 1, so as to increase the contact area between the metal receiver decorative part 1 and the metal upper cover 5, thereby improving the grounding reliability of the metal receiver decorative part 1. Meanwhile, a second through hole 21 is formed in the position of the double-sided conductive adhesive tape 2 corresponding to the through hole region 10, and the second through hole 21 penetrates through the double-sided conductive adhesive tape 2 along the thickness direction of the double-sided conductive adhesive tape 2. In the present embodiment, the second through hole 21 has a substantially elliptical cross section. Preferably, the thickness of the conductive double-sided tape 2 is 0.1mm to 0.5mm, so as to achieve the greatest cost saving while the function can be realized.
Further, in one embodiment of the invention, the shape of the sealing foam 3 matches the shape of the metal receiver trim 1, i.e. the shape of the sealing foam 3 is the same as the shape of the metal receiver trim 1. Meanwhile, a third through hole 31 is formed in the position, corresponding to the through hole region 10, of the sealing foam 3, and the third through hole penetrates through the sealing foam 3 in the thickness direction of the sealing foam 3. In the present embodiment, the third through hole 31 has a substantially elliptical cross section.
Further, referring to fig. 5, in an embodiment of the present invention, the first laser etching region covers the surface of the metal upper cover 5 exposed out of the plastic part 4, so as to increase the contact area between the metal receiver decoration 1 and the metal upper cover 5 to the maximum extent. Specifically, in the present embodiment, the first laser etching region includes a first region 51 corresponding to the ear 12, a second region 52 located at the right side of the first region 51, and a third region 53 located below the first region 51.
Further, in the present embodiment, a fourth through hole 41 is formed on the plastic part 4, the fourth through hole 41 corresponds to the through hole region 10, and the fourth through hole 41 penetrates through the plastic part 4 along the thickness direction of the plastic part 4. In addition, the first laser etching region is disposed along the circumferential direction of the fourth through hole 41, that is, the first region 51, the second region 52, and the third region 53 are disposed along the circumferential direction of the fourth through hole 41.
Preferably, in one embodiment of the present invention, the conductive double-sided tape 2 is a conductive copper foil double-sided tape. It is understood that in other embodiments of the present invention, other double-sided adhesive tapes capable of conducting electricity, such as conductive aluminum foil double-sided adhesive tape, may be used as the conductive double-sided adhesive tape 2.
Further preferably, in an embodiment of the present invention, the metal upper cover 5 is a magnesium alloy upper cover, such as a magnesium aluminum alloy upper cover. It will be appreciated that in other embodiments of the invention, the metal top cover 5 may be made of other alloys.
Further preferably, in one embodiment of the present invention, the metal receiver decoration 1 is a stainless steel receiver decoration. It is understood that in other embodiments of the present invention, the metal receiver decorating part 1 can be made of other metals.
The embodiment of the invention also provides mobile terminal equipment which comprises the telephone receiver assembly. Wherein, the mobile terminal device can be a mobile phone, a tablet, a watch, a bracelet and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A receiver assembly is characterized by comprising a plastic part, a metal upper cover embedded in the plastic part, and a conductive double-sided adhesive tape, a metal receiver decorating part and sealing foam which are sequentially stacked, wherein the metal upper cover is provided with a surface area, the surface area is exposed out of the plastic part, a first laser etching area is arranged on the surface area, and a second laser etching area is arranged on the surface of one side, close to the conductive double-sided adhesive tape, of the metal receiver decorating part; and two opposite side surfaces of the conductive double-sided adhesive tape are respectively bonded with the first laser etching area and the second laser etching area so as to increase the electric contact area of the metal telephone receiver decorating part and the metal upper cover and further increase the grounding area of the metal telephone receiver decorating part.
2. The receiver assembly of claim 1, wherein the metal receiver decoration comprises a main body portion and an ear portion fixedly connected to one side of the main body portion, a through hole region is formed in the main body portion, a plurality of first through holes are formed in the through hole region, and the second laser etching region covers the ear portion and a peripheral portion of the main body portion located in the through hole region.
3. The receiver assembly of claim 2, wherein the shape of the conductive double-sided tape matches the shape of the main body portion, and a second through hole is formed in a position of the conductive double-sided tape corresponding to the through hole region.
4. The receiver assembly of claim 2, wherein the shape of the conductive double-sided tape matches the shape of the metal receiver decoration, and a second through hole is formed at a position of the conductive double-sided tape corresponding to the through hole region.
5. The receiver assembly of claim 2, wherein the shape of the sealing foam matches the shape of the metal receiver decoration, and a third through hole is formed at a position of the sealing foam corresponding to the through hole region.
6. A receiver assembly according to any of claims 1 to 5, wherein the first laser etched area covers the surface area of the metal top cover.
7. The receiver assembly of claim 6, wherein the plastic part is formed with a fourth through hole, and the first laser etching area is disposed along a circumferential direction of the fourth through hole.
8. A receiver assembly according to any of claims 1 to 5 wherein the conductive double sided tape is a conductive copper foil double sided tape.
9. A receiver assembly according to any of claims 1 to 5 wherein the metal upper cover is a magnesium alloy upper cover.
10. A mobile terminal device, characterized in that it comprises a receiver assembly according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475759.3A CN108471582B (en) | 2018-05-17 | 2018-05-17 | Receiver assembly and mobile terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475759.3A CN108471582B (en) | 2018-05-17 | 2018-05-17 | Receiver assembly and mobile terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108471582A CN108471582A (en) | 2018-08-31 |
| CN108471582B true CN108471582B (en) | 2020-09-18 |
Family
ID=63261353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810475759.3A Expired - Fee Related CN108471582B (en) | 2018-05-17 | 2018-05-17 | Receiver assembly and mobile terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108471582B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966111B (en) * | 2021-09-17 | 2023-04-28 | 惠州市德赛西威汽车电子股份有限公司 | Manufacturing method of hardware decorative rear cover with grounding function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201557318U (en) * | 2009-11-20 | 2010-08-18 | 惠州Tcl移动通信有限公司 | Antistatic device at mobilephone loudspeaker |
| CN203734709U (en) * | 2013-12-31 | 2014-07-23 | 深圳天珑无线科技有限公司 | Housing assembly, cellphone and mobile terminal |
| CN105681502A (en) * | 2016-03-04 | 2016-06-15 | 海信电子科技（深圳）有限公司 | Mobile terminal |
| CN105812518A (en) * | 2016-03-16 | 2016-07-27 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
-
2018
- 2018-05-17 CN CN201810475759.3A patent/CN108471582B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201557318U (en) * | 2009-11-20 | 2010-08-18 | 惠州Tcl移动通信有限公司 | Antistatic device at mobilephone loudspeaker |
| CN203734709U (en) * | 2013-12-31 | 2014-07-23 | 深圳天珑无线科技有限公司 | Housing assembly, cellphone and mobile terminal |
| CN105681502A (en) * | 2016-03-04 | 2016-06-15 | 海信电子科技（深圳）有限公司 | Mobile terminal |
| CN105812518A (en) * | 2016-03-16 | 2016-07-27 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
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| Publication number | Publication date |
|---|---|
| CN108471582A (en) | 2018-08-31 |
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Granted publication date: 20200918 |