CN111182425A

CN111182425A - Electronic device

Info

Publication number: CN111182425A
Application number: CN201911423687.9A
Authority: CN
Inventors: 李志�
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-05-19

Abstract

The present application provides an electronic device, which includes a device body, a first electroacoustic component, and a second electroacoustic component. The device body has a top and a bottom opposite to the top. The first electroacoustic component includes a first shell and a first electroacoustic unit. The first shell is fixed to the top. The first shell is provided with a closed sound cavity and a first sound outlet connected to the closed sound cavity. The second electroacoustic component includes a second shell and a second electroacoustic unit. The second shell is fixed to the bottom. The second shell is provided with a semi-closed sound cavity and a second sound outlet connected to the semi-closed sound cavity, and a to-be-closed port connected to the semi-closed sound cavity. The to-be-closed port is sealed and connected to the bottom of the device body. The first electroacoustic unit is fixed in the closed sound cavity, and the second electroacoustic unit is fixed in the semi-closed sound cavity, which facilitates the installation of the first electroacoustic unit and the second electroacoustic unit and reduces the assembly cost of the electronic device.

Description

Electronic device

Technical Field

The application relates to the technical field of communication equipment, in particular to electronic equipment.

Background

At present, electroacoustic modules are arranged at the top and the bottom of a mobile phone, the electroacoustic module at the top is used as a receiver, and the electroacoustic module at the bottom is used as a loudspeaker. However, both of the two electroacoustic modules of the mobile phone are open structures, and the installation structure of the open electroacoustic module is complex, which results in an increase in the assembly cost of the mobile phone.

Disclosure of Invention

The embodiment of the application provides electronic equipment.

The embodiment of the application provides an electronic equipment, wherein, electronic equipment includes equipment body, first electroacoustic subassembly and second electroacoustic subassembly, the equipment body have the top and with the relative bottom in top, first electroacoustic subassembly includes first casing and first electroacoustic monomer, first casing is fixed in the top, first casing is equipped with closed sound chamber and intercommunication the first sound outlet of closed sound chamber, first electroacoustic monomer is fixed in the closed sound intracavity warp first sound outlet goes out the sound, second electroacoustic subassembly includes second casing and second electroacoustic monomer, the second casing is fixed in the bottom, the second casing is equipped with semi-closed sound chamber and intercommunication the second sound outlet of semi-closed sound chamber to and the intercommunication the mouth is sealed to treating of semi-closed sound chamber, treat the closed mouth with the bottom sealing connection of equipment body, the second electroacoustic monomer is fixed in the semi-closed sound cavity and emits sound through the second sound outlet.

The electronic equipment that this application embodiment provided, through the first casing of first electroacoustic subassembly has the closed sound chamber, and first electroacoustic monomer is fixed in the closed sound intracavity, and the second casing of second electroacoustic subassembly has semi-closed sound chamber, and the second electroacoustic monomer is fixed in semi-closed sound intracavity, is fixed in the top and the bottom of equipment body with first casing and second casing, makes things convenient for the installation of first electroacoustic subassembly and second electroacoustic subassembly, reduces electronic equipment's equipment cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of an electronic device provided by an embodiment of the present application;

FIG. 2 is a schematic cross-sectional diagram of an electronic device provided by an embodiment of the application;

FIG. 3 is a partially exploded view of an electronic device provided by an embodiment of the present application;

fig. 4 is a partial rear view schematic diagram of an electronic device provided in an embodiment of the present application.

Detailed Description

Referring to fig. 1, 2 and 3, an embodiment of the present application provides an electronic device 1000, where the electronic device 1000 includes a device body 100, a first electro-acoustic element 200 and a second electro-acoustic element 300. The device body 100 has a top portion 110 and a bottom portion 120 opposite the top portion 110. The first electro-acoustic assembly 200 includes a first housing 210 and a first electro-acoustic transducer 220. The first housing 210 is fixed to the top 110. The first housing 210 is provided with a closed sound cavity 211 and a first sound outlet 212 communicating with the closed sound cavity 211. The first electroacoustic monomer 220 is fixed in the closed sound cavity 211 and outputs sound through the first sound outlet 212. The second electro-acoustic assembly 300 includes a second housing 310 and a second electro-acoustic transducer 320. The second casing 310 is fixed to the bottom 120, and the second casing 310 is provided with a semi-closed sound cavity 311, a second sound outlet 312 communicated with the semi-closed sound cavity 311, and a to-be-closed port 313 communicated with the semi-closed sound cavity 311. The opening 313 to be sealed is hermetically connected to the bottom 120 of the device body 100, and the second electroacoustic monomer 320 is fixed in the semi-sealed sound cavity 311 and outputs sound through the second sound outlet 312. It is understood that the electronic device 1000 may be a mobile phone, a notebook computer, a tablet computer, etc.

The first housing 210 of the first electroacoustic component 200 is provided with the closed sound cavity 211, the first electroacoustic monomer 220 is fixed in the closed sound cavity 211, the second housing 310 of the second electroacoustic component 300 is provided with the semi-closed sound cavity 311, and the second electroacoustic monomer 320 is fixed in the semi-closed sound cavity 311, so that the first housing 210 and the second housing 310 are fixed at the top 110 and the bottom 120 of the device body 100, the first electroacoustic component 200 and the second electroacoustic component 300 are convenient to mount, and the assembly cost of the electronic device 1000 is reduced.

In this embodiment, the apparatus body 100 has a front surface 101 and a rear surface 102 opposite to the front surface 101 so as to be connected to a side surface 103 between the front surface 101 and the rear surface 102. The side 103 comprises a top side 1031, a first long side 1032, a bottom side 1033 and a second long side 1034 connected in sequence. The first electro-acoustic assembly 200 and the second electro-acoustic assembly 300 are located between the front side 101 and the back side 102. The first sound outlet 212 is substantially directed towards the top side 1031, and the second sound outlet 312 is substantially directed towards the bottom side 1033. The device body 100 may have an on/off button on the first long side 1032, and a sound adjusting button and a phone card slot on the second long side 1034. The device body 100 can display screen content on the front surface 101, and can receive a user touch operation on the front surface 101. The first electro-acoustic assembly 200 may be an earpiece of the electronic device 1000. The second electro-acoustic assembly 300 may act as a speaker of the electronic device 1000. Of course, in other embodiments, the device body 100 may also be provided with a phone card slot at the first long side 1032.

In this embodiment, a first connection port 213 is disposed on an outer side of the first casing 210, and the first electroacoustic monomer 220 is electrically connected to the first connection port 213. The first electro-acoustic unit 220 transmits an electric signal to and from the apparatus body 100 through the first connection port 213. The first housing 210 is fixed to the apparatus body 100, that is, the first electro-acoustic assembly 200 is mounted, thereby reducing the production cost. A second connection port 314 is arranged on the outer side of the second housing 310, and the second electro-acoustic unit 320 is electrically connected to the second connection port 314. The second electro-acoustic unit 320 intercommunicates electric signals with the apparatus body 100 through the second connection port 314. The device body 100 seals the opening 313 to be sealed, that is, the device body 100 and the second electroacoustic component 300 are stable and electrically connected, so that the second electroacoustic component 300 is convenient to mount, and the production cost is reduced.

Further, referring to fig. 2, fig. 3 and fig. 4, the apparatus body 100 is provided with a middle frame 130 and a circuit board 140, the circuit board 140 is fixed to the middle frame 130 and located at the bottom 120, and the middle frame 130 or/and the circuit board 140 covers the opening to be sealed 313.

In this embodiment, the middle frame 130 includes a main board mounting portion 131, a speaker mounting portion 132 opposite to the main board mounting portion 131, and a side extension 133 connected to the main board mounting portion 131 and the speaker mounting portion 132. The main board mounting portion 131, the speaker mounting portion 132, and two battery mounting grooves 134 are formed between the side extending portions 133, and the battery mounting grooves 134 are used to mount the battery of the apparatus body 100. The main board mounting portion 131 is adjacent to the top portion 110. The speaker mounting portion 132 is adjacent the base portion 120. The circuit board 140 is fixed to the speaker mounting portion 132. The middle frame 130 has a mounting surface facing the rear surface 102. The circuit board 140 is mounted on the mounting surface of the middle frame 130. The second housing 310 is fixed to a surface of the circuit board 140 facing away from the middle frame 130. The opening to be sealed 313 faces the second shell 310 and the middle frame 130. The circuit board 140 is hermetically connected to the opening to be sealed 313, so that the sound of the second electroacoustic monomer 320 can be conveniently led out from the second sound outlet 312. Of course, in other embodiments, the circuit board 140 is provided with a through hole, the second housing 310 passes through the through hole, the opening to be closed 313 is disposed on a portion of the second housing 310 that passes through the through hole, and the opening to be closed 313 is hermetically connected to a surface of the middle frame 130 facing the circuit board 140. Alternatively, the circuit board 140 and the middle frame 130 jointly seal the opening to be closed 313.

Further, the device body 100 is further provided with a rear shell 150 covering the middle frame 130, and a speaker hole 151 in butt joint with the second sound outlet 312 is formed in the edge of the rear shell 150.

In this embodiment, the rear case 150 includes a back plate 152 and a side plate 153 connected to a peripheral edge of the back plate 152. The back plate 152 is disposed opposite to the middle frame 130. The circuit board 140 and the second electro-acoustic assembly 300 are fixed between the middle frame 130 and the back plate 152. The edge of the side plate 153 far away from the back plate 152 is fixedly connected with the side wall of the middle frame 130. The speaker hole 151 is provided on a side plate 153 of the bottom part 120. The second sound outlet 312 is in sealed abutment with the speaker hole 151. The speaker holes 151 are oriented substantially parallel to the back plate 152. The speaker hole 151 is provided at the side plate 153 of the bottom part 120 substantially adjacent to the first long side 1032 of the apparatus body 100. The rear case 150 is provided with a plurality of speaker holes 151 arranged at equal intervals in a length direction parallel to the side plates 153 of the bottom part 120. The second sound outlet 312 is opposite to the plurality of speaker holes 151, so that the sound led out from the second sound outlet 312 is led out through the speaker holes 151. The back plate 152 covers the middle frame 130, and covers the first electro-acoustic assembly 200 and the second electro-acoustic assembly 300. The side plate 153 is disposed around the middle frame 130 to protect the middle frame 130. The top side 1031, the bottom side 1033, the first long side 1032 and the second long side 1034 are all formed on a side of the side plate 153 away from the middle frame 130. The speaker hole 151 penetrates the side plate 153 of the bottom 120 from the bottom side 1033. Of course, in other embodiments, the speaker hole 151 may also be disposed on the side panel 153 of the bottom portion 120 adjacent to the second long side 1034.

Further, the device body 100 is further provided with a light-transmitting cover plate 160 covering one side of the middle frame 130 away from the rear shell 150, and a first sound guiding member 161 fixed to the middle frame 130, the light-transmitting cover plate 160 is provided with a receiver hole 162 near the middle frame 130, and the first sound guiding member 161 is provided with a first sound guiding channel 163 in sealed butt joint with the receiver hole 162 and the first sound outlet 212.

In this embodiment, the light-transmitting cover plate 160 covers a side of the middle frame 130 away from the circuit board 140. The periphery of the light-transmitting cover plate 160 is fixedly connected with the side plate 153 of the rear case 150. The earpiece hole 162 is disposed at the edge of the side plate 153 of the top 110 connected to the light-transmitting cover 160. The device body 100 is further provided with a dust screen fixed to the earpiece hole 162. The dust screen prevents dust and impurities from entering the apparatus body 100 through the earpiece hole 162. The first sound outlet 212 is in sealed butt joint with the earphone hole 162, and the sound led out from the first sound outlet 212 is led out through the earphone hole 162. The device body 100 further includes a display screen 164 attached to the transparent cover 160. The display screen 164 displays pictures through the light-transmitting cover plate 160. The first electro-acoustic assembly 200 is partially stacked with the display area of the display screen 164 to increase the display area screen ratio of the display screen 164. The display screen 164 is located between the light-transmissive cover plate 160 and the center frame 130. Of course, in other embodiments, the earpiece hole 162 may also be disposed at the edge of the side plate 153 of the top 110 adjacent to the transparent cover 160 to further increase the screen ratio of the display screen 164.

In this embodiment, the first sound guide 161 is fixed to the inner side of the side plate 153 of the middle frame 130 adjacent to the top 110. The first sound guiding member 161 has a first contact end abutting against the transparent cover 160 and a second contact end abutting against the first sound outlet 212. The first abutting end is bent relative to the second abutting end. The first sound guiding channel 163 penetrates the first contact end and the second contact end. A first sealing ring 219 is arranged on the periphery of the opening of the first sound outlet 212. The second contact end is connected to the first sound outlet 212 through the first sealing ring 219 in a sealing manner. The first sound outlet 212 is inclined with respect to the transparent cover plate 160, so that the aperture of the opening of the first sound outlet 212 is increased to improve the sound outlet efficiency of the first sound outlet 212, and the first sound outlet 212 occupies a smaller area in the orthographic projection area of the transparent cover plate 160, thereby optimizing the arrangement structure of the transparent cover plate 160 and reducing the occupation ratio of the non-transparent area on the transparent cover plate 160. Of course, in other embodiments, the second contact end and the first sound outlet 212 may also be sealed by glue.

Further, the device body 100 is further provided with a second sound guiding member 170 fixed between the rear housing 150 and the middle frame 130, and the second sound guiding member 170 is provided with a second sound guiding channel 171 in sealed butt joint with the speaker hole 151 and the second sound outlet 312.

In this embodiment, the second sound guiding member 170 is fixed to the inner side of the side plate 153 of the middle frame 130 adjacent to the bottom 120. The first sound guiding member 161 has a third abutting end abutting against the side plate 153 of the bottom portion 120 and a fourth abutting end abutting against the second sound outlet 312. The second sound guiding channel 171 penetrates the third contact end and the fourth contact end. A second sealing ring 319 is arranged on the periphery of the opening of the second sound outlet 312. The fourth contact end is connected to the second sound outlet 312 via the second sealing ring 319 in a sealing manner. The second sound outlet 312 is inclined toward the back plate 152, so that the aperture of the second sound outlet 312 is increased, and the sound outlet efficiency of the second sound outlet 312 is improved. The third abutting end is abutted with the plurality of speaker holes 151 to guide the sound of the second electro-acoustic component 300 out through the plurality of speaker holes 151. Of course, in other embodiments, the second contact end and the first sound outlet 212 may also be sealed by glue.

Further, the device body 100 is further provided with a main board 180 fixed to the middle frame 130, the main board 180 is provided with a mounting hole 181, and the first housing 210 penetrates through the mounting hole 181.

In this embodiment, the main board 180 is fixed on a surface of the middle frame 130 away from the display screen 164. The main board 180 is fixed to the main board mounting portion 131 of the middle frame 130. The mounting hole 181 penetrates the main plate 180. The mounting hole 181 is provided with an opening at the side plate 153 of the main plate 180 adjacent to the top 110, and the first sound outlet 212 of the first casing 210 protrudes through the opening at the edge of the main plate 180 of the mounting hole 181. A portion of the first housing 210 passes through the mounting hole 181, so as to prevent the first housing 210 from being completely stacked on the main board 180, and reduce the overall thickness of the electronic device 1000. The first housing 210 is partially stacked on the motherboard 180, the first connection port 213 is disposed on the portion of the first housing 210 stacked on the motherboard 180, and the first connection port 213 can abut against the conductive terminal on the motherboard 180, so that the first connection port 213 is electrically connected to the motherboard 180. The first housing 210 can be connected to the main board 180 via screws, so that the first housing 210 is detachably connected to the main board 180, and the first electroacoustic assembly 200 is conveniently and quickly assembled and disassembled with the main board 180.

Further, a connecting through groove 141 communicated with the semi-closed sound cavity 311 is arranged at a part of the circuit board 140 sealing the opening to be closed 313, the second electroacoustic monomer 320 is partially positioned in the connecting through groove 141, and the middle frame 130 seals the connecting through groove 141.

In this embodiment, the circuit board 140 is fixed to the speaker mounting portion 132 of the middle frame 130. The circuit board 140 is electrically connected to the second electro-acoustic unit 320. The circuit board 140 is electrically connected to the second electro-acoustic unit 320. The circuit board 140 and the second electro-acoustic unit 320 may be electrically connected via a flexible circuit board. The second electro-acoustic unit 320 passes through the connecting through slot 141 and collides with the middle frame 130, so that the second electro-acoustic unit 320 can be grounded through the middle frame 130. The circuit board 140 seals the opening to be closed 313 and secures the second housing 310 to the circuit board 140. The connecting through groove 141 is opposite to the opening to be sealed 313, so that the middle frame 130 can seal the opening of the connecting through groove 141, which is far away from the second shell 310, and the second electroacoustic monomer 320 is located in the sealed cavity. The circuit board 140 is also electrically connected to the main board 180 via a flexible circuit board 140.

Furthermore, the second housing 310 is provided with a sealing foam along the circumferential direction of the opening to be closed 313, and the middle frame 130 or/and the circuit board 140 are connected with the second housing 310 in a sealing manner through the sealing foam.

In this embodiment, the sealing foam extends along the circumferential direction of the opening to be closed 313. The circuit board 140 abuts against the sealing foam. The circuit board 140 seals the opening to be closed 313 through the sealing foam, so as to prevent the sound leakage from the second sound cavity through the gap between the second housing 310 and the circuit board 140. Of course, in other embodiments, the circuit board 140 may also be provided with a through hole, the second housing 310 passes through the through hole, and the middle frame 130 seals the opening to be closed 313.

Further, the electronic device 1000 further includes a front camera 191, a rear camera 192, a light sensor 193, a phone card connector 194 fixed on the top 110, and a power connector 195, an audio connector 196 and a fingerprint module 197 fixed on the bottom 120. The front camera 191, the rear camera 192, the light sensing device 193 and the phone card connector 194 are fixed on the main board mounting part 131 of the middle frame 130, and the front camera 191, the rear camera 192, the light sensing device 193 and the phone card connector 194 are arranged at a distance from the first electroacoustic component 200. The power connector 195, the audio connector 196 and the fingerprint module 197 are fixed on the speaker mounting part 132 and are arranged separately from the second electroacoustic component 300, so that the electronic device 1000 is reasonably provided with devices.

In summary, although the present application has been described with reference to the preferred embodiments, the present application is not limited to the preferred embodiments, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the protection scope of the present application is determined by the scope of the appended claims.

Claims

1. An electronic device is characterized by comprising a device body, a first electro-acoustic assembly and a second electro-acoustic assembly, wherein the device body is provided with a top and a bottom opposite to the top, the first electro-acoustic assembly comprises a first shell and a first electro-acoustic monomer, the first shell is fixed on the top, the first shell is provided with a closed sound cavity and a first sound outlet communicated with the closed sound cavity, the first electro-acoustic monomer is fixed in the closed sound cavity and produces sound through the first sound outlet, the second electro-acoustic assembly comprises a second shell and a second electro-acoustic monomer, the second shell is fixed on the bottom, the second shell is provided with a semi-closed sound cavity, a second sound outlet communicated with the semi-closed sound cavity and a to-be-closed opening communicated with the semi-closed sound cavity, and the to-be-closed opening is hermetically connected with the bottom of the device body, the second electroacoustic monomer is fixed in the semi-closed sound cavity and emits sound through the second sound outlet.

2. The electronic device according to claim 1, wherein the device body is provided with a middle frame and a circuit board, the circuit board is fixed on the middle frame and positioned at the bottom, and the middle frame or/and the circuit board cover the opening to be closed.

3. The electronic device of claim 2, wherein the device body is further provided with a rear shell covering the middle frame, and a speaker hole in butt joint with the second sound outlet is formed at an edge of the rear shell.

4. The electronic device according to claim 3, wherein the device body further comprises a light-transmitting cover plate covering one side of the middle frame facing away from the rear housing, and a first sound-guiding member fixed to the middle frame, wherein a receiver hole is formed in the light-transmitting cover plate adjacent to the middle frame, and the first sound-guiding member is provided with a first sound-guiding channel in sealed butt joint with the receiver hole and the first sound outlet.

5. The electronic device of claim 4, wherein the first sound outlet is inclined with respect to the light-transmissive cover.

6. The electronic device according to claim 3, wherein the device body is further provided with a second sound guide member fixed between the rear housing and the middle frame, and the second sound guide member is provided with a second sound guide channel in sealed butt joint with the speaker hole and the second sound outlet.

7. The electronic device according to claim 2, wherein the device body is further provided with a main board fixed to the middle frame, the main board being provided with a mounting hole through which the first housing passes.

8. The electronic device according to claim 7, wherein the portion of the circuit board sealing the opening to be closed is provided with a connecting through slot communicating with the semi-closed sound cavity, the second electro-acoustic monomer portion is located in the connecting through slot, and the middle frame seals the connecting through slot and supports the second electro-acoustic monomer.

9. The electronic device according to claim 2, wherein the second housing is provided with a sealing foam at the opening to be closed along a circumferential direction, and the middle frame or/and the circuit board are connected with the second housing in a sealing manner through the sealing foam.

10. The electronic device according to any one of claims 1 to 9, further comprising a front camera, a rear camera, a light sensor, a phone card connector fixed on the top, and a power connector, an audio connector, and a fingerprint module fixed on the bottom.