CN113782968A - Built-in horn assembly, built-in horn assembly manufacturing process and electronic device - Google Patents

Built-in horn assembly, built-in horn assembly manufacturing process and electronic device Download PDF

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Publication number
CN113782968A
CN113782968A CN202110981385.4A CN202110981385A CN113782968A CN 113782968 A CN113782968 A CN 113782968A CN 202110981385 A CN202110981385 A CN 202110981385A CN 113782968 A CN113782968 A CN 113782968A
Authority
CN
China
Prior art keywords
housing
antenna
built
cavity
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
CN202110981385.4A
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Chinese (zh)
Inventor
何泽林
代启龙
赵刚
金火星
邢善亮
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.)
LCFC Hefei Electronics Technology Co Ltd
Original Assignee
LCFC Hefei Electronics Technology Co Ltd
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 LCFC Hefei Electronics Technology Co Ltd filed Critical LCFC Hefei Electronics Technology Co Ltd
Priority to CN202110981385.4A priority Critical patent/CN113782968A/en
Publication of CN113782968A publication Critical patent/CN113782968A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/02—Connectors or connections adapted for particular applications for antennas

Abstract

The invention provides a built-in horn assembly, a built-in horn assembly manufacturing process and an electronic device, wherein the built-in horn assembly comprises a horn monomer and a cavity shell with an accommodating space, the horn monomer is arranged in the accommodating space, a connecting plug-in is arranged on the cavity shell and penetrates through the cavity shell, one end, positioned inside the cavity shell, of the connecting plug-in is electrically connected with the horn monomer, an FPC antenna is attached to the cavity shell, the FPC antenna is electrically connected with one end, positioned outside the cavity shell, of the connecting plug-in, and a board-to-board connector is further arranged on the FPC antenna. The antenna is integrated on the cavity shell through the FPC, and the loudspeaker unit is connected with the circuit board of the electronic device through the board-to-board connector on the FPC antenna by means of the connecting plug-in, so that the combination of the antenna and the loudspeaker unit is realized, the installation space can be saved, the manual wire arrangement and the operation of inserting the connector are saved, the automatic assembly is facilitated, and the production efficiency is improved.

Description

Built-in horn assembly, built-in horn assembly manufacturing process and electronic device
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a built-in loudspeaker assembly, a manufacturing process of the built-in loudspeaker assembly and an electronic device.
Background
At present, electronic devices are various, for example, notebook computers and mobile phones, most of the electronic devices are provided with a loudspeaker, most of the used loudspeakers are separated from an antenna, and the loudspeaker is also connected with a circuit board end by using a cable (wire) combined connector, so that a large installation space is required, the operations of arranging the antenna and arranging the loudspeaker are required to be increased, and the operations of arranging the antenna and arranging the loudspeaker are required to be performed at multiple stations, manually arranging the antenna and inserting the connector are required, and automatic assembly cannot be realized. Still some are passed through LDS (Laser Direct Structuring) mode radium and are carved on loudspeaker chamber shell with the antenna, and rethread antenna + wire + connector is connected with the board end, and this kind of mode has solved the integration of antenna and loudspeaker, still has antenna and loudspeaker line to manage the problem that the automatic equipment can't be realized to the line.
Disclosure of Invention
The invention mainly aims to provide a built-in loudspeaker assembly, which solves the problems that in the prior art, antenna wire arrangement and loudspeaker wire arrangement assembly operation needs to be added, even a plurality of work stations need to manually arrange wires and plug connectors, and automatic assembly cannot be realized.
In order to solve the technical problems and achieve the above object, in a first aspect, the present invention provides a built-in horn assembly, which includes a horn unit and a cavity housing having an accommodating space, wherein the horn unit is disposed in the accommodating space, a connection plug is disposed on the cavity housing, the connection plug penetrates through the cavity housing, one end of the connection plug located inside the cavity housing is electrically connected to the horn unit, an FPC antenna is attached to the cavity housing, the FPC antenna is electrically connected to one end of the connection plug located outside the cavity housing, and a board-to-board connector is further disposed on the FPC antenna.
In the built-in horn assembly, the antenna is an FPC antenna and is integrated on the cavity shell through the FPC, and the horn single body is connected with a circuit board of the electronic device through a board-to-board connector on the FPC antenna by means of the connecting plug-in, so that the combination of the antenna and the horn single body is realized, the installation space can be saved, the manual wire arrangement and the connector insertion operation are saved, the automatic assembly is favorably realized, and the production efficiency is improved.
In an implementation manner, the FPC antenna includes an attaching end, a circuit board connecting end and a conductive end, the attaching end is used for attaching and connecting the cavity shell, the board-to-board connector is disposed at the circuit board connecting end, and the conductive end is used for connecting with the connection plug-in.
In an embodiment, the chamber housing includes a first housing and a second housing, and the first housing and the second housing are combined to form a sound transmission channel.
In an embodiment, the first housing or the second housing has an antenna connection section, the antenna connection section is provided with a through hole, the connection plug is provided on the antenna connection section, the connection plug has an embedded portion embedded in the through hole and a protruding portion protruding outside the through hole, the FPC antenna has a connection hole, and the protruding portion passes through the connection hole and is connected to the connection hole by soldering.
In an embodiment, the first housing or the second housing has an antenna attachment section, and the attachment end of the FPC antenna is connected to the antenna attachment section.
In an embodiment, the first housing has a through hole, and the second housing has a carrying cavity, and the carrying cavity corresponds to the through hole to form the accommodating space; or, the second shell is provided with a penetrating hole, the first shell is provided with a bearing cavity, and the bearing cavity corresponds to the penetrating hole to form the accommodating space.
In a second aspect, the present invention provides a process for manufacturing a built-in speaker assembly, including: a cavity shell with an accommodating space is formed in an injection molding mode, and the connecting plug-in is embedded on the cavity shell when the cavity shell is formed in the injection molding mode; the horn unit is bonded in the accommodating space, and an outlet wire of the horn unit is welded with one end of the connecting plug-in unit, which is positioned in the cavity shell; the FPC antenna provided with the board-to-board connector is attached to the cavity shell, and the FPC antenna and one end of the connecting plug-in unit, which is located outside the cavity shell, are welded.
According to the manufacturing process of the built-in horn assembly, the connecting plug is buried when the cavity shell is injection molded, the antenna adopts the FPC antenna, and the horn single body is connected with the circuit board of the electronic device through the board-to-board connector on the FPC antenna through the connecting plug, so that the combination of the antenna and the horn single body is realized, and the manufacturing process is simple.
In an embodiment, the chamber housing includes a first housing and a second housing, and the coupling insert is embedded in the first housing or the second housing.
In one embodiment, the first housing and the second housing are welded together by ultrasonic welding before attaching the FPC antenna to the cavity housing.
In a third aspect, the present invention provides an electronic device, which includes a circuit board and a built-in speaker assembly, wherein the board-to-board connector is electrically connected to the circuit board. Since the above-mentioned built-in speaker assembly has the above-mentioned advantageous effects, the electronic device including the built-in speaker assembly also has the above-mentioned advantageous effects.
The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
FIG. 1 is a schematic structural view of a built-in horn assembly according to an exemplary embodiment of the present invention;
FIG. 2 is an exploded view of the built-in horn assembly of FIG. 1;
fig. 3 is a schematic structural view of a first housing of the built-in horn assembly of fig. 1 (a coupling insert is embedded in the first housing);
fig. 4 is a flow chart of a process for manufacturing a built-in horn assembly according to an exemplary embodiment of the present invention.
Wherein the figures include the following reference numerals:
100. a built-in horn assembly; 10. a horn unit; 20. a chamber housing; 210. a first housing; 211. an antenna connection section; 2111. a through hole; 212. an antenna attachment section; 213. a through hole; 220. a second housing; 221. a load bearing cavity; 23. an accommodating space; 30. a coupling insert; 40. an FPC antenna; 41. connecting holes; 42. attaching the end; 43. a circuit board connecting end; 44. a conductive terminal; 50. a board-to-board connector.
Detailed Description
In the following description, numerous details are provided to provide a thorough understanding of the present invention. One skilled in the art, however, will understand that the following description merely illustrates a preferred embodiment of the invention and that the invention may be practiced without one or more of these details. In other instances, well known features have not been described in detail so as not to obscure the invention.
The electronic device of the embodiment of the invention can be any one of a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, an intelligent watch and the like. The following embodiments are described by taking only an electronic device as a notebook computer as an example.
Most of the notebook computers have a circuit board and a speaker assembly disposed inside the housing, and the speaker assembly is called a built-in speaker assembly 100 because the speaker assembly is disposed inside the housing, as shown in fig. 1 and 2, the built-in speaker assembly 100 includes a speaker unit 10 and a cavity housing 20 having an accommodating space 23. The horn unit 10 is arranged in the accommodating space 23, the cavity shell 20 is provided with a connecting plug-in 30, the connecting plug-in 30 penetrates through the cavity shell 20, one end of the connecting plug-in 30, which is positioned inside the cavity shell 20, is electrically connected with the horn unit 10, the cavity shell 20 is attached with an FPC antenna 40, the FPC antenna 40 is electrically connected with one end of the connecting plug-in 30, which is positioned outside the cavity shell 20, the FPC antenna 40 is also provided with a board-to-board connector 50, and the FPC antenna 40 is connected with a circuit board through the board-to-board connector 50.
In the above-mentioned built-in horn assembly 100, the antenna is the FPC antenna 40, after the circuit board is connected with the board-to-board connector 50, the circuit board can be electrified to the FPC antenna 40, because the FPC antenna 40 is connected with the horn unit 10 through the connection plug-in 30, after the FPC antenna 40 is conducted, the horn unit 10 can also be conducted, the combination of the antenna and the horn unit 10 is realized, the installation space can be saved, the operation of manual wire arrangement is saved, and after the board-to-board connector 50 is installed, the built-in horn assembly 100 can be grabbed by a mechanical arm and assembled with the circuit board by matching with other intelligent positioning devices, the process of automatic assembly is realized, and the production efficiency is improved.
Referring again to fig. 1 and 2, in the embodiment of the present invention, the FPC antenna 40 includes an attaching end 42, a circuit board connecting end 43 and a conductive end 44, the FPC antenna 40 is attached to the cavity housing 20 through the attaching end 42, the board-to-board connector 50 is mounted on the circuit board connecting end 43 of the FPC antenna 40, and the conductive end 44 of the FPC antenna 40 is connected to the connection plug 30. In order to facilitate electrical connection between the connection plug 30 and the FPC antenna 40, the conductive end 44 of the FPC antenna 40 is provided with a connection hole 41, and the protruding portion of the connection plug 30 passes through the connection hole 41 and is solder-connected to the connection hole 41.
In the embodiment of the present invention, the cavity housing 20 includes a first housing 210 and a second housing 220, the first housing 210 and the second housing 220 are formed by injection molding, the first housing 210 and the second housing 220 are combined to form a sound transmission channel, the sound transmission channel is not shown in the figure, on one hand, the sound transmission channel can be used to penetrate through a connection line of the speaker unit 10, and on the other hand, sound can be transmitted smoothly, so as to improve the sound quality of sound emitted by the speaker unit 10.
As shown in fig. 3, the first housing 210 has an antenna connection section 211, the speaker unit 10 is disposed on the antenna connection section 211, a through hole 2111 is opened on the antenna connection section 211, the connection plug 30 has an embedded portion and a protruding portion, the embedded portion of the connection plug 30 is embedded in the through hole 2111, the protruding portion of the connection plug 30 is protruded out of the through hole 2111, the FPC antenna 40 has a connection hole 41, and the protruding portion passes through the connection hole 41 and is connected to the connection hole 41 by soldering. Based on the arrangement that the coupling plug 30 is buried on the antenna connection section 211 of the first housing 210, it is advantageous to bury the coupling plug 30 when the first housing 210 is injection-molded. The number of the coupling inserts 30 may be two as shown in fig. 3, and in an embodiment not shown, the number of the coupling inserts 30 is set according to the connection requirement, and may be one, or may be three or more.
In an embodiment not shown, the antenna connection section 211 is disposed on the second casing 220 in the same manner as that of the first casing 210, which is not described herein.
Referring to fig. 3 again, the first housing 210 has an antenna attachment section 212, the attachment end 42 of the FPC antenna 40 is connected to the antenna attachment section 212, the attachment end 42 of the FPC antenna 40 is self-adhesive, and the FPC antenna 40 is directly attached to the first housing 210 during the process of manufacturing the built-in speaker assembly 100.
In an embodiment not shown, the antenna attaching section 212 is disposed on the second casing 220 in the same manner as that disposed on the first casing 210, which is not described herein.
In an embodiment not shown, the first casing 210 and the second casing 220 both have the antenna attachment section 212, and the attachment end 42 of the FPC antenna 40 may be in a wrapping type and can be wrapped and attached to the antenna attachment sections 212 of the first casing and the second casing at the same time, so that the contact area between the FPC antenna 40 and the cavity casing 20 is larger, a better attachment effect is achieved, and the FPC antenna 40 is not easily separated from the cavity casing 20.
In the embodiment of the present invention, the antenna connection section 211 is connected to the antenna attachment section 212 to make the first housing 210 have an L-shape as a whole, so that the built-in speaker assembly 100 can be disposed at a corner position when being installed in a housing of a notebook computer. In an embodiment not shown, the first housing 210 is generally in the shape of a "straight" as required by the installation location of the internal horn assembly 100.
Furthermore, the first housing 210 has a through hole 213, the second housing 220 has a carrying cavity 221, the carrying cavity 221 corresponds to the through hole 213 to form the accommodating space 23, and the speaker unit 10 can be stably fixed based on the combination of the carrying cavity 221 and the through hole 213, thereby preventing the speaker unit 10 from shifting during the transportation or movement of the notebook computer. In an embodiment not shown, the positions of the bearing cavity 221 and the through hole 213 are interchangeable, that is, the second housing 220 has the through hole 213, the first housing 210 has the bearing cavity 221, and the bearing cavity 221 corresponds to the through hole 213 to form the accommodating space 23.
On the other hand, the present invention further provides a manufacturing process of an internal speaker assembly, and referring to fig. 1, fig. 2 and fig. 4, the manufacturing process of the internal speaker assembly according to the embodiment of the present invention includes:
s100, injection molding the first housing 210 and the second housing 220, and embedding the coupling insert 30 on the first housing 210 during injection molding;
s200, adhering the horn single body 10 in the penetrating hole 213 of the first shell 210, and welding an outgoing line of the horn single body 10 and one end, located inside the first shell 210, of the connecting plug-in 30;
s300, welding the peripheries of the first shell 210 and the second shell 220 together in an ultrasonic welding mode;
s400, the FPC antenna provided with the board-to-board connector 50 is attached to the cavity housing 20, and the FPC antenna is welded to one end of the connection plug-in 30 located outside the first housing 210.
In the manufacturing process of the built-in horn assembly 100, the connecting plug 30 is embedded when the cavity shell 20 is injection molded, the antenna adopts the FPC antenna 40, and the horn unit 10 is connected with the circuit board of the electronic device through the board-to-board connector 50 on the FPC antenna 40 by the connecting plug 30, so that the combination of the antenna and the horn unit 10 is realized, and the manufacturing process is simple.
In an embodiment not shown, the penetration hole 213 is provided on the second housing 220, and correspondingly, the coupling insert 30 is embedded on the second housing 220 having the penetration hole 213.
In the embodiment shown above, the chamber shell 20 is formed by welding the first shell 210 and the second shell 220 together, and in the embodiment not shown, the chamber shell 20 is a single shell with the accommodating space 23, in which case, the process for manufacturing the internal horn assembly 100 includes:
s100', injection molding the cavity housing 20 having the receiving space 23, and embedding the coupling insert 30 on the cavity housing 20 when the cavity housing 20 is injection molded;
s200', the horn unit 10 is bonded in the accommodating space 23, and an outlet wire of the horn unit 10 is welded with one end of the connecting plug-in unit 30, which is positioned in the cavity shell 20;
s300', the FPC antenna 40 provided with the board-to-board connector 50 is attached to the cavity housing 20, and the FPC antenna 40 is welded to one end of the coupling plug 30 located outside the cavity housing 20.
In the electronic device according to the embodiment of the present invention, the built-in speaker assembly 100 is the built-in speaker assembly 100, and besides, the circuit board of the electronic device and the like may have various structures that may be present or may appear in the future, which does not limit the protection scope of the present invention. Since the above-mentioned built-in speaker assembly 100 has the above-mentioned advantageous effects, the electronic device including the built-in speaker assembly 100 also has the above-mentioned advantageous effects.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a built-in loudspeaker subassembly, includes loudspeaker monomer (10) and chamber shell (20) that have accommodation space (23), loudspeaker monomer (10) set up in accommodation space (23), its characterized in that, be provided with hookup plug-in (30) on chamber shell (20), hookup plug-in (30) run through chamber shell (20), hookup plug-in (30) are located the inside one end of chamber shell (20) with loudspeaker monomer (10) electric connection, chamber shell (20) is gone up to be attached FPC antenna (40), FPC antenna (40) with hookup plug-in (30) are located the outside one end electric connection of chamber shell (20), still be provided with board to board connector (50) on FPC antenna (40).
2. The built-in horn assembly of claim 1, wherein the FPC antenna (40) comprises an attaching end (42), a circuit board connecting end (43) and a conductive end (44), the attaching end (42) being for attaching connection with the cavity housing (20), the board-to-board connector (50) being provided at the circuit board connecting end (43), the conductive end (44) being for connection with the coupling insert (30).
3. The built-in horn assembly of claim 2, wherein the chamber housing (20) comprises a first housing (210) and a second housing (220), the first housing (210) and the second housing (220) being mated to form a sound transmission channel.
4. The built-in horn assembly according to claim 3, wherein the first housing (210) or the second housing (220) has an antenna connection section (211), the antenna connection section (211) is provided with a through hole (2111), the coupling plug-in (30) is provided on the antenna connection section (211), and the coupling plug-in (30) has an embedded portion embedded in the through hole (2111) and a protruding portion protruding outside the through hole, the FPC antenna (40) has a connection hole (41) thereon, the protruding portion passes through the connection hole (41) and is solder-connected with the connection hole (41).
5. The built-in horn assembly of claim 3, wherein the first housing (210) or the second housing (220) has an antenna attachment section (212), the attachment end (42) of the FPC antenna (40) being connected to the antenna attachment section (212).
6. The built-in horn assembly of claim 3, wherein the first housing (210) has a through hole (213) thereon, the second housing (220) has a bearing cavity (221) thereon, the bearing cavity (221) corresponds to the through hole (213) to form the accommodating space (23); or, the second housing (220) has a through hole (213), the first housing (210) has a bearing cavity (221), and the bearing cavity (221) corresponds to the through hole (213) to form the accommodating space (23).
7. A built-in loudspeaker assembly manufacturing process is characterized by comprising the following steps:
injection molding a cavity shell (20) with an accommodating space (23), and embedding a connecting insert (30) on the cavity shell (20) when the cavity shell (20) is injection molded;
the horn single body (10) is bonded in the accommodating space (23), and an outgoing line of the horn single body (10) is welded with one end, located inside the cavity shell (20), of the connecting plug-in (30);
the FPC antenna (40) provided with the board-to-board connector (50) is attached to the cavity shell (20), and the FPC antenna (40) and one end of the connecting plug-in (30) located outside the cavity shell (20) are welded.
8. The process for manufacturing an internal horn assembly according to claim 7, wherein the chamber housing (20) comprises a first housing (210) and a second housing (220), and the coupling insert (30) is embedded on the first housing (210) or the second housing (220).
9. The process for manufacturing an internal horn assembly of claim 8 wherein the first housing (210) and the second housing (220) are welded together by ultrasonic welding prior to attaching the FPC antenna (40) to the chamber housing (20).
10. An electronic device comprising a circuit board and a built-in speaker assembly, wherein the built-in speaker assembly is the built-in speaker assembly as claimed in any one of claims 1 to 6, and the board-to-board connector (50) is electrically connected to the circuit board.
CN202110981385.4A 2021-08-25 2021-08-25 Built-in horn assembly, built-in horn assembly manufacturing process and electronic device Pending CN113782968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110981385.4A CN113782968A (en) 2021-08-25 2021-08-25 Built-in horn assembly, built-in horn assembly manufacturing process and electronic device

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Application Number Priority Date Filing Date Title
CN202110981385.4A CN113782968A (en) 2021-08-25 2021-08-25 Built-in horn assembly, built-in horn assembly manufacturing process and electronic device

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CN113782968A true CN113782968A (en) 2021-12-10

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