CN206294208U - Voice Devices and Mobile Terminals - Google Patents

Abstract

The utility model discloses a voice device and a mobile terminal. The voice device comprises a bracket, a receiver and a microphone transmitter. The bracket has a voice receiving cavity and a voice transmitting cavity adjacent to the voice receiving cavity. , the receiving cavity is separated from the transmitting cavity by a partition, the receiver is fixed in the receiving cavity, and the microphone is fixed in the transmitting cavity. The support has a receiving cavity and a transmitting cavity adjacently arranged, and a receiver and a microphone are respectively fixed in the receiving cavity and the transmitting cavity, so that the voice device will receive the voice The function and the call sending function are integrated, thereby simplifying the structure of the voice call and improving the user experience.

Description

Voice Devices and Mobile Terminals

technical field

The utility model relates to the field of electronic equipment, in particular to a voice device and a mobile terminal.

Background technique

At present, the transmitter and the receiver of the mobile phone are isolated. Usually the microphone is located at the lower end of the mobile phone, while the receiver is located at the upper end of the mobile phone. Therefore, an installation structure and a conductive structure need to be respectively provided for the microphone and the receiver, resulting in complicated internal structures of the mobile phone, resulting in difficulty in maintenance of the mobile phone, and reducing user experience.

Utility model content

The utility model provides a voice device and a mobile terminal which improve user experience.

The utility model provides a speech device, wherein, the speech device comprises a support, a receiver and a microphone transmitter, and the support has a receiving cavity and a transmitting cavity adjacent to the receiving cavity, so that The receiving cavity is separated from the transmitting cavity by a partition, the receiver is fixed in the receiving cavity, and the microphone is fixed in the transmitting cavity.

The utility model also provides a mobile terminal, wherein, the mobile terminal includes the above-mentioned voice device, and the mobile terminal also includes a shell, the shell is provided with a sound hole and a sound hole, and the voice device is fixed on the In the casing, the speech receiving cavity and the speech transmitting cavity are respectively opposite to the sound emitting hole and the sound receiving hole.

The voice device and the mobile terminal of the present utility model have a receiving cavity and a transmitting cavity arranged adjacently through the support, and the receiving cavity and the transmitting cavity are respectively fixed with a receiver and a transmitter , so that the voice device integrates the call receiving function and the call sending function, thereby simplifying the voice call structure and improving user experience.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the utility model. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic cross-sectional view of a speech device provided by the utility model;

Fig. 2 is a three-dimensional schematic diagram of the voice device of Fig. 1;

Fig. 3 is another cross-sectional schematic diagram of the speech device of Fig. 2;

Fig. 4 is a schematic cross-sectional view of the voice device of the first embodiment provided by the present invention;

Fig. 5 is a three-dimensional schematic diagram of the voice device of Fig. 4;

Fig. 6 is a schematic cross-sectional view of the speech device of the second embodiment provided by the present invention;

Fig. 7 is a three-dimensional schematic diagram of the voice device of Fig. 6;

Fig. 8 is a schematic cross-sectional view of the mobile terminal provided by the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of speech device 100 provided by the utility model, described speech device 100 comprises support 10, receiver 20 and microphone 30, and described support 10 has receiving cavity 11 and The speaking cavity 12 arranged adjacent to the receiving cavity 11, the receiving cavity 11 and the transmitting cavity 12 are separated by a partition 13, the receiving cavity 11 The receiver 20 is fixed inside, and the microphone 20 is fixed inside the speaking cavity 12 . It can be understood that the receiver 20 sends out a call voice to the user, and the microphone 30 receives the user's call voice. The voice device 100 can be applied to a mobile terminal, and the mobile terminal can be a mobile phone, a tablet computer, or a notebook computer.

The support 10 has a receiving cavity 11 and a transmitting cavity 12 arranged adjacently, and a receiver 20 and a microphone 30 are respectively fixed in the receiving cavity 11 and the transmitting cavity 12, thereby The voice device 100 integrates the call receiving function and the call sending function, thereby simplifying the voice call structure and improving user experience.

In this embodiment, the bracket 10 is in the shape of a box. The bracket 10 includes a bottom plate 14 and four side plates 15 fixed around the bottom plate 14 . One side of the bottom plate 14 and the inner sides of the four side plates 15 jointly form a cavity, which is divided into the speech receiving cavity 11 and the speaking transmitting cavity 12 by the partition plate 13 . The partition plate 13, the bottom plate 14 and the side plate 15 may be integrally injection molded. Use the partition 13 to separate the receiving chamber 11 from the sending chamber 12, thereby providing separate voice spaces for the receiver 20 and the microphone 30, thereby avoiding the The receiver 20 and the transmitter 30 interfere with each other. The thickness of the partition plate 13 is greater than the thickness of the bottom plate 14, and greater than the thickness of the side plate 15, so that the insulation performance of the receiving cavity 11 and the transmitting cavity 12 is improved to achieve resistance. sound effect, and improve the call quality of the voice device 100. Moreover, the partition plate 13, the bottom plate 14 and the side plate 15 are integrally formed to improve the sealing performance of the speech receiving cavity 11 and the speech transmitting cavity 12, thereby improving the speech receiving effect and the speech sending effect. The bracket 10 carries the receiver 20 and the transmitter 30 at the same time, so that the voice device 100 has a simple structure and has both a receiver function and a transmitter function. In other embodiments, the partition board 13 , the bottom board 14 and the side board 15 may also be detachably connected to each other.

In this embodiment, the receiver 20 is a dynamic structure. The receiver 20 is composed of a diaphragm 21 , a voice coil 22 and an electromagnet 23 . The electric vibrating membrane 21 is fixed in the receiving cavity 11 , and the voice coil 22 is fixed on the vibrating membrane 21 and receives electrical signals. The electromagnet 23 is fixed in the receiving cavity 11 and provides a magnetic field to the voice coil 22 . The voice coil 22 of the receiver 20 receives the electrical signal, and generates a magnetic force coordinated with the electromagnet 23 according to the pulse size of the electrical signal, thereby driving the vibrating membrane to vibrate according to the magnetic force. Furthermore, the receiver 20 converts the electrical signal into a mechanical vibration signal, so that the mechanical vibration signal is used to generate sound. More specifically, the electromagnet 23 is fixed on the bottom plate 14 , and the periphery of the vibrating membrane 21 is fixed on the side plate 15 . The vibrating membrane 21 faces the user, so that the sound emitting part of the receiver 20 faces the user, so that the user can listen to the call voice through the receiver 20 conveniently. In other implementation manners, the receiver 20 may also be of a piezoelectric structure, a capacitive structure, or an electromagnetic structure.

In this implementation manner, the microphone 30 can convert sound signals into electrical signals. The microphone 30 is a patch structure. The microphone 30 receives sound through the sound sensing membrane to generate vibration, and the sound sensing membrane converts the vibration signal into an electrical signal. In this way, the microphone 30 converts the call voice into an electrical signal after receiving the call voice of the user. In other implementation manners, the microphone 30 may also be an electret structure.

Further, the stand 10 has a talking side 16 facing the user. The speech device 100 also includes a sound-emitting part 40 and a sound-transmitting part 50 respectively arranged on the talking side 16 relative to the speaking cavity 11 and the speaking cavity 12, and the receiver 20 passes through the sound-emitting part. 40 emits sound externally, and the microphone 30 receives sound internally through the sound transmission part 50 .

In this embodiment, the talking side 16 is located on a side of the bracket 10 opposite to the bottom plate 14 . The sound emitting part 40 and the sound transmitting part 50 are jointly fixed on the talking side 16 of the bracket 10, so that the sound emitting part 40 and the sound transmitting part 50 can be brought close to the user's face together, that is, it is convenient for the sound emitting part to 40 to make sound, and facilitate the sound transmission part 50 to receive sound. Moreover, the base plate 14 is used to be far away from the talking side 16 , so that the bracket 10 is conveniently fixed through the base plate 14 , thereby reducing damage to the sound emitting part 40 and the sound transmitting part 50 . Specifically, both the receiving cavity 11 and the transmitting cavity 12 are provided with openings on the talking side 16, and the sound emitting part 40 and the sound transmitting part 50 respectively cover the openings of the receiving cavity 11. The opening and the opening of the speaking cavity 12 provide a sealed environment for the receiving cavity 11 and the transmitting cavity 12 . In other embodiments, the sound emitting part 40 and the sound conducting part 50 can also be fixed on the side plate 15 .

Further, the receiving cavity 11 is provided with a first opening end 111 on the talking side 16, the sound emitting part 40 includes a sound emitting cover 41 covering the first opening end 111, and the receiver 20 The sound is emitted to the outside through the sound emitting cover plate 41 .

In this embodiment, the first open end 111 is disposed opposite to the bottom plate 16 . The sound emitting cover plate 41 covers the first opening end 111 by bonding or welding. Thus the receiver 20 is sealed in the receiver cavity 11 . The vibrating membrane 21 of the receiver 20 is disposed opposite to the sound cover 41 . When the vibrating membrane 21 of the receiver 20 vibrates, it drives the air in the receiver cavity 11 to vibrate, and the air vibration in the receiver cavity 11 drives the sound emitting cover 41 to vibrate, so that the The sounding cover 41 emits a communication sound to the outside. Since the sound emitting cover 41 receives the influence of air vibration, the better the sealing performance of the speech receiving cavity 11 is, the higher the air vibration efficiency in the speech receiving cavity 11 is, thereby improving the sound transmission efficiency, and further making the sound transmission efficiency of the speech receiving cavity 11 higher. The authenticity of the sound emitted by the sound emitting cover plate 41 is improved. Moreover, the peripheral edge 411 of the sound emitting cover 41 fixed to the first opening end 111 is thicker, so as to improve the stability between the sound emitting cover 41 and the first opening end 111 . The vibrating area 412 of the sound-generating cover 41 close to the geometric center is thinner, so that the vibrating area 412 is easier to vibrate, so as to improve the sound-generating efficiency of the sound-generating cover 41 . Certainly, in other implementation manners, it is also possible to replace the sound emitting cover plate 41 with a mesh plate, so as to increase the sound emission volume of the receiver 20 .

Further, the speaking cavity 12 is provided with a second open end 121 on the talking side 16, and the sound transmission part 50 includes a sound transmission cover 51 covering the second open end 121. The microphone 30 receives sound inwardly through the sound transmission cover plate 51 .

In this embodiment, the second opening end 121 is disposed opposite to the bottom plate 16 , and the opening direction of the second opening end 121 is parallel to the opening direction of the first opening end 111 . The sound transmission cover 51 seals and covers the second opening 121 . A voice hole 511 is provided on the sound transmission cover 51 . The talking voice from the user is transmitted into the speaking cavity 12 through the voice hole 511 , and is received by the microphone 30 and converted into an electrical signal. The thickness of the sound transmission cover 51 is greater than the thickness of the generation cover 41 , so as to prevent the sound transmission cover 51 from vibrating and affecting the microphone 30 to receive the user's voice. In other embodiments, the second open end 121 may also be disposed on the side plate 15 .

Further, the speech device 100 also includes a sealing structure 60 arranged between the second open end 121 and the sound transmission cover 51, and the sealing structure 60 is opposite to the sound transmission cover 51 and the sound transmission cover 51. The second open end 121 is sealed.

Referring to FIG. 4 and FIG. 5 , a first embodiment is provided, the sealing structure 60 includes an ultrasonic welding rib 61 disposed on the periphery of the second opening end 121 . The sound transmission cover 51 is covered on the second opening 121, and the ultrasonic welding rib 61 is welded and fused with the sound transmission cover 51 using ultrasonic welding equipment, thereby realizing the sound transmission cover There is no gap between the plate 51 and the first open end 121 . That is to say, the tightness of the speaking cavity 14 is ensured, and then all of them are received by the microphone 30 after entering the flower sending cavity 14 from the voice hole 511, so as to avoid sound leakage, that is, improve conversation quality.

Please refer to FIG. 6 and FIG. 7 , a second embodiment is provided, the sealing structure 60 includes a glue groove 62 arranged on the periphery of the second open end 121 and a step 63 arranged on the periphery of the sound transmission cover plate 51 , and The glue strip 64 is sealed between the glue groove and the step 63 . When the sound transmission cover 51 is closed on the second opening 121 , the step 63 matches with the glue groove 62 . The glue strip 64 is glued between the step 63 and the glue groove 62 , and seals the gap between the step 63 and the glue groove 62 . The rubber strip 64 is used to seal between the second open end 121 and the sound transmission cover 51 , so that the voice device 100 has a simple structure and is convenient to manufacture.

Further, please refer to FIG. 1 , FIG. 2 and FIG. 3 , the sound transmission part 50 also includes a microphone that is housed in the speaking cavity 12 and clamped between the sound transmission cover 51 and the microphone 30 . The sealing layer 52 in between.

In this embodiment, the sealing layer 52 is in the form of a sheet. The sealing layer 52 is attached to the side of the sound transmission cover 51 facing the microphone 30 , and the sealing layer 52 is pressed to the microphone 30 along with the sound transmission cover 51 . The sealing layer 52 exerts a resisting force on the microphone 30 , so that the microphone 30 is firmly in the speaking cavity 12 . Due to the flexibility of the sealing layer 52 itself, it can form a vibration buffer for the microphone 30 , thereby preventing the vibration force from damaging the microphone 30 . The sealing layer 52 is clamped between the sound transmission cover 51 and the microphone 30, thereby reducing the vibration reflection of the call voice between the sound transmission cover 51 and the microphone 30 , so as to improve the call effect. And the sealing layer 52 seals the sound emitted to the speaking cavity 12 to prevent business from leaking out of the speaking cavity 12 and improve the sound collection effect of the microphone 30 . Moreover, the sealing layer 52 realizes dust-proof sealing of the speaking cavity 12 to prevent dust or magazines from entering the speaking cavity 12 , thereby improving the safety performance of the voice device 100 . The sealing layer 52 may be composed of foam and mesh cloth laminated with each other. In other embodiments, the sealing layer 52 can also cover the entire periphery of the microphone 30 , and the sealing layer 52 can also be made of sponge.

Further, the microphone 30 includes a speaking patch 31, and the sound transmission cover 51 is provided with positioning ribs 512, and the positioning ribs 512 are located on the outer side wall of the speaking patch 31 and the speaking patch. Between the inner side walls of the cavity 12, the talking patch 31 is positioned.

In this embodiment, the speaking patch 31 is stacked on the side of the sealing layer 52 opposite to the sound transmission cover 51 . The voice transmitting patch 31 is provided with a voice receiving hole 311 on a side facing the sound transmission cover 51 . The voice receiving hole 311 is aligned with the voice hole 511 . The positioning ribs 512 position the voice transmitting patch 31 to prevent the voice receiving hole 311 from deviating from the voice hole 511 , thereby improving the voice receiving efficiency of the voice transmitting patch 31 . Specifically, there is a distance L between the positioning rib 512 and the inner wall of the speaking cavity 12 . The distance L is 0.00mm˜0.07mm. The distance L is set between the positioning rib 512 and the speaking cavity 12, thereby facilitating the assembly of the sound transmission cover 51 and the speaking cavity 12, and the positioning rib 512 is reduced The voice of the conversation oscillates and reflects on the inner wall of the speech cavity 12 and the speech patch 31 to improve the effect of the conversation.

Further, the microphone 30 also includes an adapter circuit board 32 fixed at the bottom of the speaking cavity 12 and supporting the speaking patch 31 . The positioning rib 512 is against the transfer circuit board 32 .

Referring to FIG. 4 and FIG. 5 , a first embodiment is provided, and the interposer circuit board 32 is a printed circuit board. The adapter circuit board 32 includes an upper surface 321 attached to the phone patch 31 and a lower surface 322 opposite to the upper surface 321 . The upper surface 321 is provided with three welding pads 321 a that are connected to the talking pad 312 . The lower surface 322 is provided with three pins 322a, and the three pins 322a are respectively connected to the three pads 321a. The three pins 322a are electrically connected to external components, so that the talking patch 31 can send electrical signals to external components. The lower surface 322 of the adapter circuit board 32 is attached to the bottom of the speaking cavity 12, and the three pins 322a pass through the bracket 10 and are exposed outside the speaking cavity 12. . Specifically, the lower surface 322 of the adapter circuit board 32 is bonded to the bottom end of the microphone cavity 12 by glue, so as to enhance the stability of the microphone 30 and the bracket 10 . The edge of the adapter circuit board 32 extends outward relative to the edge of the voice transmitting patch 31 , so that the positioning rib 512 located on the peripheral side of the voice transmitting patch 31 is against the adapter circuit board 32 On the other hand, it prevents the adapter circuit board 32 from lifting up, and further enhances the stability of the microphone 30 in the speaking cavity 12 .

Referring to FIG. 6 and FIG. 7 , a second embodiment is provided, and the transition circuit board 32 is a flexible circuit board. The switching circuit board 32 includes a first end 323 attached to the phone patch 31 and a second end 324 bent relative to the first end 323 . Specifically, the first end 323 is provided with a soldering pad 323 a that is in conduction with the voice transmitting patch 31 on a side facing the voice transmitting patch 31 . The second end 324 passes through the bracket 10 and is exposed outside the speaking cavity 12 , and the side of the second end 324 opposite to the bracket 10 is provided with a pin that communicates with an external part 324a. A reinforcing plate 325 is bonded to the opposite side of the first end 323 and the voice transmitting patch 31 . The reinforcing plate 325 strengthens the rigid structure of the first end 323, making it convenient for the first end 323 to be attached to the speaking patch 31, and to facilitate the first end 323 to be attached to the speaking patch 31. One end 323 is glued to the bottom of the speaking cavity 12 more firmly.

Further, please refer to FIG. 1 , FIG. 2 and FIG. 3 , the bracket 10 also has a conductive side 17 opposite to the talking side 16 , and the conductive side 17 is opposite to the receiving cavity 11 and the transmitting side. The speaker cavity body 12 is respectively provided with a first conductive structure 18 and a second conductive structure 19, and the receiver 20 and the microphone 30 are electrically connected to external parts via the first conductive structure 18 and the second conductive structure 19 respectively. .

In this embodiment, the conductive side 17 is the side of the bottom plate 14 opposite to the talking side 16 . The first conductive structure 18 and the second conductive structure 19 are arranged on the same side, thereby facilitating the installation of the voice device 100 and reducing the wiring between the first conductive structure 18 and the second conductive structure 19 , that is, the installation structure of the speech device 100 is simplified. Moreover, the first conductive structure 18 and the second conductive structure 19 are independent of each other, so as to facilitate inspection and maintenance of the receiver 20 and the microphone 30 respectively.

Specifically, the first conductive structure 18 includes a conductive elastic piece 181 extending into the receiving cavity 11 and electrically connected to the receiver 20 , and the receiver 20 is electrically connected to an external component through the conductive elastic piece 181 . The number of the conductive elastic pieces 181 is two. The two conductive elastic pieces 181 are respectively located at two ends of the receiving cavity 11 in the length direction. The bracket 10 is in contact with the outer part, so that the two conductive elastic pieces 181 are electrically connected with the outer part, and an elastic resistance force is formed on the outer part, so that the receiver 20 and the outer part are conductive and stable. Certainly, in other implementation manners, the first conductive structure 18 may also be a conductive cable extending into the receiving cavity 11 and electrically connecting the receiver 20 .

Specifically, the second conductive structure 19 includes a through hole opened in the bracket 10 and penetrating to the speaking cavity 12, and the microphone 30 is provided with an electrical connection through the through hole and external components. The conductive part, and a sealant is provided between the conductive part and the through hole.

Referring to FIG. 4 and FIG. 5 , a first embodiment is provided, the second conductive structure 19 includes three first through holes 191 a opened in the bracket 10 and penetrating to the speaking cavity 12 . The conductive elements are three pins 322 a disposed on the adapter circuit board 32 . The three first through holes 191a respectively allow the three pins 322a of the circuit board adapter board 32 to pass through, so that the three pins 322a are exposed outside the speaking cavity 12 . A sealant is provided between the first through hole 191a and the pin 322a, so that the pin 322a is sealed with the first through hole 191a to prevent sound leakage from the speaking cavity 12 .

Referring to FIG. 6 and FIG. 7 , a second embodiment is provided, the second conductive structure 19 includes a second through hole 191 b opened in the bracket 10 and penetrating to the speaking cavity 12 . The conductive element is a circuit board with pins, that is, the conductive element is the second end 324 of the switching circuit board 32 . The bottom plate 14 is also provided with a card slot 141 opposite to the speaking cavity 12 . The second end 324 passes through the second through hole 191 b and is fastened in the slot 141 , so that the second end 324 is conveniently electrically connected to external components. A sealant is provided between the second through hole 191b and the second end 324, so that the second end 324 is in sealing fit with the second through hole 191b, so as to prevent leakage of the speaking cavity 12. sound situation.

Please refer to Fig. 8, the utility model also provides a kind of mobile terminal 200, described mobile terminal 200 comprises described speech device 100, and described mobile terminal 200 also comprises housing 60, and described housing 60 is provided with pronunciation hole 61 and The sound receiving hole 62 , the speech device 100 is fixed in the housing 60 , and the speech receiving cavity 11 and the speaking transmitting cavity 12 are opposite to the sound emitting hole 61 and the sound receiving hole 62 respectively.

Specifically, the housing 60 may be the front cover of the mobile terminal 200 . The sounding hole 61 is opposite to the receiving cavity 11, so that the sound emitted by the receiver 20 is emitted from the sounding hole 61 after passing through the sounding cover 41, so that the user can listen to the call of the receiver 20 voice. The sound receiving hole 62 is opposite to the speaking cavity 12, so that the user's call voice passes through the sound receiving hole 62, and then is transmitted to the microphone 30 through the voice hole 511, thereby realizing the microphone 30. Receive user call voice. The receiver 20 and the microphone transmitter 30 are jointly fixed to the bracket 10, thereby simplifying the installation structure of the receiver 20 and the microphone transmitter 30, and simplifying the structure of the mobile terminal 200, thereby facilitating all The thinning of the mobile terminal 200 described above improves user experience.

The support has a receiving cavity and a transmitting cavity adjacently arranged, and a receiver and a microphone are respectively fixed in the receiving cavity and the transmitting cavity, so that the voice device will receive the voice The function and the call sending function are integrated, thereby simplifying the structure of the voice call and improving the user experience.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (15)

1. a kind of speech device, it is characterized in that, described speech device comprises support, receiver and microphone transmitter, and described support has receiving cavity body and the cavity body of sending speech that is adjacently arranged with described receiving cavity body, so The receiving cavity is separated from the transmitting cavity by a partition, the receiver is fixed in the receiving cavity, and the microphone is fixed in the transmitting cavity. 2. The speech device according to claim 1, wherein the support has a talking side facing the user, and the speech device also includes a side facing the talking side opposite to the receiving cavity and the sending talking side respectively. The cavity is provided with a sound emitting part and a sound transmitting part, the receiver emits sound to the outside through the sound emitting part, and the microphone receives sound inward through the sound transmitting part. 3. The speech device according to claim 2, wherein the speech receiving cavity is provided with a first opening end on the talking side, and the sound emitting part includes a sound emitting cover that covers the first opening end board, and the receiver emits sound to the outside through the sound cover. 4. The speech device according to claim 2, characterized in that, the speaking cavity is provided with a second open end on the speaking side, and the sound transmission part includes a transmission part that covers the second open end. The sound cover plate, the microphone receives sound inwardly through the sound transmission cover plate. 5. The speech device according to claim 4, characterized in that, the speech device further comprises a sealing structure arranged between the second open end and the sound transmission cover, and the sealing structure is opposite to the sound transmission cover. The sound transmission cover plate is sealed with the second open end. 6. The speech device according to claim 4, characterized in that, the sound transmission part further comprises a sound transmission part housed in the speech transmission cavity and clamped between the sound transmission cover and the microphone. Sealing layer. 7. The speech device according to claim 4, wherein the microphone includes a voice-transmitting patch, and the sound-transmitting cover is provided with positioning ribs, and the positioning ribs are located on the side of the voice-transmitting patch. The speaking patch is positioned between the outer wall and the inner wall of the speaking cavity. 8. The voice device according to claim 7, wherein the microphone further comprises an adapter circuit board fixed at the bottom of the speaking cavity and supporting the speaking patch, the positioning The ribs are supported by the transfer circuit board. 9. The speech device according to claim 2, wherein the bracket also has a conductive side opposite to the talking side, and the conductive side is opposite to the receiving cavity and the transmitting cavity A first conductive structure and a second conductive structure are provided respectively, and the receiver and the microphone are respectively electrically connected to external components via the first conductive structure and the second conductive structure. 10. The voice device according to claim 9, wherein the first conductive structure includes a conductive shrapnel extending into the receiving cavity and electrically connecting the receiver, and the receiver is connected to the receiver via the conductive shrapnel. The external parts are electrically connected. 11. The speech device according to claim 9, characterized in that, the second conductive structure includes a through hole opened in the bracket and penetrating to the speaking cavity, and the microphone is provided to pass through The through hole is a conductive member electrically connected to an external part. 12 . The audio device according to claim 11 , wherein a sealant is provided between the through hole and the conductive member. 13 . 13. The speech device according to claim 11, wherein the conductive member is a pin passing through the through hole. 14. The audio device according to claim 11, wherein the conductive member is a circuit board provided with pins. 15. A mobile terminal, characterized in that the mobile terminal comprises the voice device according to any one of claims 1 to 14, and the mobile terminal further comprises a shell, and the shell is provided with a sound hole and a sound hole , the voice device is fixed in the housing, and the speech receiving cavity and the transmitting cavity are respectively opposite to the pronunciation hole and the sound receiving hole.