Speaker modules and electronic equipment

Abstract

The present application discloses a speaker module and an electronic device, which belongs to the field of audio technology. The speaker module includes: a shell, a diaphragm isolator, a speaker body and a capillary. Since the first sound cavity of the shell can be connected to the external environment, even if the shell is not provided with a pressure relief hole for connecting the second sound cavity with the external environment, the second sound cavity can be connected to the external environment through the capillary and the first sound cavity in sequence, so that the internal and external air pressures of the second sound cavity can be balanced. In addition, after the water vapor in the external environment invades the first sound cavity of the shell, the air pressure inside the first sound cavity will increase, thereby driving the diaphragm isolator to block the end of the first sub-pipeline away from the second sub-pipeline. In this way, it can be ensured that the water vapor invading the first sound cavity cannot invade the interior of the second sound cavity through the capillary, and then it can be ensured that the speaker body arranged inside the second sound cavity is not easily damaged, so that the reliability of this speaker module is higher.

Description

Technical Field

[0001] The present application relates to the field of audio technology, and in particular to a speaker module and an electronic device. Background Art

[0002] With the continuous improvement of science and technology, users use electronic devices more and more frequently. Among them, speaker modules are indispensable components in electronic devices, which can enable electronic devices to have sound-generating functions.

[0003] Normally, the speaker module has a front sound cavity and a rear sound cavity, as well as a sound output channel connected to the front sound cavity. Here, there can be a diaphragm between the front sound cavity and the rear sound cavity, and a speaker body is integrated inside the rear sound cavity, and the speaker body can drive the diaphragm to vibrate to produce sound inside the front sound cavity, and this sound can be transmitted through the sound output channel. Heat is generated during the operation of the speaker body, and this heat will increase the temperature inside the rear sound cavity where the speaker body is located, and then increase the air pressure inside the rear sound cavity. To this end, in order to ensure that the speaker module has a high working stability, it is necessary to set a pressure relief hole in the speaker module for connecting the rear sound cavity with the external environment. The pressure relief hole can balance the air pressure inside and outside the rear sound cavity, thereby ensuring that the speaker module can emit sound stably.

[0004] However, after a pressure relief hole is provided in the speaker module for connecting the rear sound cavity with the external environment, water vapor in the external environment can easily invade the rear sound cavity through the pressure relief hole, causing damage to the speaker body provided inside the rear sound cavity, thereby resulting in low reliability of the speaker module. Utility Model Content

[0005] The embodiments of the present application provide a speaker module and an electronic device, which can solve the problem of low reliability of the speaker module in the prior art. The technical solution is as follows:

[0006] In one aspect, a speaker module is provided, comprising:

[0007] Shell, diaphragm isolator, speaker body and capillary;

[0008] The housing has a containing space and a sound outlet channel communicating with the containing space;

[0009] a diaphragm isolator fixed in the accommodating space, the diaphragm isolator being used to separate the accommodating space into a first sound cavity and a second sound cavity, the first sound cavity being in communication with the sound output channel;

[0010] The speaker body is fixed in the second sound cavity;

[0011] The capillary includes: a first sub-pipe and a second sub-pipe that are connected, the first sub-pipe is distributed in the second sound cavity, and the end of the first sub-pipe away from the second sub-pipe is distributed toward the diaphragm isolation member, the second sub-pipe is distributed outside the accommodating space, and the end of the second sub-pipe away from the first sub-pipe is connected to the first sound cavity.

[0012] Optionally, the diaphragm isolation member includes: a connecting plate and a diaphragm body, the connecting plate is fixedly connected to the inner wall of the accommodating space, and the connecting plate has a mounting opening, and the diaphragm body is fixedly connected to the connecting plate at the mounting opening;

[0013] Wherein, the end of the first sub-pipeline facing away from the second sub-pipeline is distributed toward the diaphragm body.

[0014] Optionally, the diaphragm isolation member further includes: an elastic sealing member fixed to a side of the diaphragm body facing the first sub-pipeline;

[0015] Wherein, after the diaphragm body is in an original state without deformation, there is a gap between the elastic sealing component and the end of the first sub-pipeline facing away from the second sub-pipeline.

[0016] Optionally, the speaker body comprises: a cover plate, a first magnet and a second magnet;

[0017] The first magnet is ring-shaped, and one side of the first magnet is connected to the edge of the diaphragm body, and the other side of the first magnet is connected to the cover plate; the first magnet, the cover plate and the diaphragm body are used to enclose a bearing cavity; the second magnet is located in the bearing cavity and is connected to a side of the cover plate facing the diaphragm body;

[0018] The elastic sealing component is located between the second magnet and the diaphragm body, the speaker body has an open channel penetrating the cover plate and the second magnet, and at least a portion of the first sub-pipeline is located in the open channel.

[0019] Optionally, an end surface of one end of the first sub-pipeline facing away from the second sub-pipeline is flush with a surface of the second magnet facing away from the cover plate.

[0020] Optionally, the cover plate has a first opening for connecting the second acoustic cavity and the bearing cavity.

[0021] Optionally, the housing includes: a first plate body and a second plate body arranged opposite to each other, the sound outlet channel is located between the first plate body and the second plate body, the first sound cavity is located between the first plate body and the diaphragm isolator, and the second sound cavity is located between the second plate body and the diaphragm isolator;

[0022] The second plate body has a second opening, and the capillary tube further includes: a third sub-pipeline fixed in the second opening, and two ends of the third sub-pipeline are respectively connected to the first sub-pipeline and the second sub-pipeline.

[0023] Optionally, the housing further comprises: a first side panel arranged opposite to the sound outlet channel, and two sides of the first side panel are respectively fixedly connected to the first plate body and the second plate body;

[0024] The first side plate has a third opening connected to the first acoustic cavity, and the end of the second sub-pipeline away from the first sub-pipeline is connected to the first acoustic cavity in the third opening.

[0025] Optionally, the speaker module further includes: a first sealing colloid located between the second opening and the third sub-pipeline, and a second sealing colloid located between the third opening and an end of the second sub-pipeline away from the first sub-pipeline.

[0026] On the other hand, an electronic device is provided, comprising: a housing, and a speaker module fixed in the housing, wherein the speaker module is any one of the speaker modules described above.

[0027] The beneficial effects brought by the technical solution provided by the embodiment of the present application include at least:

[0028] A speaker module includes: a shell, a diaphragm isolator, a speaker body and a capillary. Since the first sound cavity of the shell can be connected to the external environment through a sound outlet channel, even if the shell is not provided with a pressure relief hole for connecting the second sound cavity with the external environment, the second sound cavity can be connected to the external environment through the capillary, the first sound cavity and the sound outlet channel in sequence, so that the internal and external air pressures of the second sound cavity can be balanced. In addition, after the water vapor in the external environment invades the first sound cavity of the shell through the sound outlet channel, the air pressure inside the first sound cavity will increase, and the first sound cavity with increased internal air pressure will drive the diaphragm isolator to move toward the direction of the first sub-pipeline in the capillary, thereby blocking the end of the first sub-pipeline away from the second sub-pipeline. In this way, it can be ensured that the water vapor invading the first sound cavity cannot invade the interior of the second sound cavity through the capillary, and then it can be ensured that the speaker body arranged inside the second sound cavity is not easily damaged, so that the reliability of this speaker module is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of a speaker module structure provided in an embodiment of the present application;

[0031] Figure 2 is a schematic diagram of another speaker module structure provided in an embodiment of the present application;

[0032] Figure 3 This is another schematic diagram of a speaker module structure provided in an embodiment of the present application;

[0033] Figure 4 This is a schematic diagram of another speaker module structure provided in an embodiment of the present application;

[0034] Figure 5 This is a rendering of water vapor entering a speaker module provided by an embodiment of the present application;

[0035] Figure 6 This is another effect diagram of water vapor entering into a speaker module provided by an embodiment of the present application;

[0036] Figure 7 This is another effect diagram of water vapor entering into a speaker module provided by an embodiment of the present application;

[0037] Figure 8 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0038] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0039] Please refer to Figure 1 , Figure 1 Schematic diagram of a speaker module structure provided in an embodiment of the present application. The speaker module 000 may include: a housing 100 , a diaphragm isolation member 200 , a speaker body 300 and a capillary 400 .

[0040] The housing 100 in the speaker module 000 may have an accommodating space A and a sound outlet channel 103 communicating with the accommodating space A. For example, the housing 100 in the speaker module 000 may be a semi-enclosed structure with an opening on one side, where the position where the opening is set in the housing 100 is the position of the sound outlet channel 103.

[0041] The diaphragm isolator 200 in the speaker module 000 can be located in the accommodating space A, and the diaphragm isolator 200 can divide the accommodating space A into a first sound cavity 101 and a second sound cavity 102. Among them, the first sound cavity 101 can be connected to the sound output channel 103, and the sound output channel 103 can be connected to the external environment. Here, the diaphragm isolator 200 and the inner wall of the accommodating space A in the shell 100 can enclose the second sound cavity 102 into a closed space. That is, the shell 100 is not provided with a pressure relief hole for connecting the second sound cavity 102 with the external environment. It should be noted that the first sound cavity 101 of the shell 100 is the front sound cavity, and the second sound cavity 102 of the shell 100 is the rear sound cavity.

[0042] The speaker body 300 in the speaker module 000 can be fixed in the second sound cavity 102, and the speaker body 300 can be connected to the diaphragm isolator 200. Here, the speaker body 300 can drive the diaphragm isolator 200 to vibrate, so that sound can be generated inside the first sound cavity 101 of the shell 100. Since the first sound cavity 101 of the shell 100 can be connected to the external environment through the sound outlet channel 103, the sound generated inside the first sound cavity 101 can be transmitted through the sound outlet channel 103, so that the speaker module 000 can emit sound normally.

[0043] The capillary 400 in the speaker module 000 may include: a first sub-pipeline 401 and a second sub-pipeline 402 that are connected. The first sub-pipeline 401 is distributed in the second acoustic cavity 102, and the second sub-pipeline 402 is distributed outside the accommodating space A. In addition, the end of the first sub-pipeline 401 that is away from the second sub-pipeline 402 is distributed toward the diaphragm isolation member 200, and the end of the second sub-pipeline 402 that is away from the first sub-pipeline 401 can be connected to the first acoustic cavity 101. In this way, the first acoustic cavity 101 and the second acoustic cavity 102 can be connected through the capillary 400.

[0044] In this case, since the first acoustic cavity 101 of the housing 100 can be connected to the external environment through the sound outlet channel 103, even if the housing 100 is not provided with a pressure relief hole for connecting the second acoustic cavity 102 with the external environment, the second acoustic cavity 102 can be connected to the external environment through the capillary 400, the first acoustic cavity 101 and the sound outlet channel 103 in sequence, so that the internal and external air pressures of the second acoustic cavity 102 can be balanced. In this way, it can be ensured that the heat generated by the speaker body 300 located in the second acoustic cavity 102 during operation will not increase the air pressure inside the second acoustic cavity 102, thereby ensuring that the speaker module 000 can stably emit sound.

[0045] In the embodiment of the present application, after the water vapor in the external environment intrudes into the first sound cavity 101 of the housing 100 through the sound outlet channel 103, the water vapor will block the sound outlet channel 103, so that the first sound cavity 101 will no longer be connected to the external environment through the sound outlet channel 103, and then the air pressure inside the first sound cavity 101 will increase. The first sound cavity 101 with increased internal air pressure will drive the diaphragm isolator 200 in the speaker module 000 to move toward the first sub-pipeline 401 in the capillary 400. After the diaphragm isolator 200 abuts against the end of the first sub-pipeline 401 away from the second sub-pipeline 402, the diaphragm isolator 200 can block the end of the first sub-pipeline 401 away from the second sub-pipeline 402. In this way, it can be ensured that water vapor invading the first acoustic cavity 101 cannot penetrate into the second acoustic cavity 102 through the capillary 400, thereby ensuring that the speaker body 300 arranged inside the second acoustic cavity 102 is not easily damaged, making the reliability of this speaker module 000 higher.

[0046] In summary, the embodiment of the present application provides a speaker module, including: a shell, a diaphragm isolator, a speaker body and a capillary. Since the first sound cavity of the shell can be connected to the external environment through the sound outlet channel, even if the shell is not provided with a pressure relief hole for connecting the second sound cavity with the external environment, the second sound cavity can be connected to the external environment through the capillary, the first sound cavity and the sound outlet channel in sequence, so that the internal and external air pressures of the second sound cavity can be balanced. In addition, after the water vapor in the external environment invades the first sound cavity of the shell through the sound outlet channel, the air pressure inside the first sound cavity will increase, and the first sound cavity with increased internal air pressure will drive the diaphragm isolator to move toward the direction of the first sub-pipeline in the capillary, and then the end of the first sub-pipeline away from the second sub-pipeline can be blocked. In this way, it can be ensured that the water vapor invading the first sound cavity cannot invade the interior of the second sound cavity through the capillary, and then it can be ensured that the speaker body arranged inside the second sound cavity is not easily damaged, so that the reliability of this speaker module is higher.

[0047] It should be noted that the capillary 400 in the embodiment of the present application refers to a tube with a smaller inner diameter. For example, the inner diameter of the capillary 400 can range from 0.5 mm to 0.7 mm, the outer diameter can range from 0.8 mm to 1 mm, and the length can range from 0.5 mm to 8 mm. In this way, the capillary 400 can not only connect the first acoustic cavity 101 and the second acoustic cavity 102 of the speaker module 000, but also ensure that water vapor in the external environment is not easy to invade the interior of the capillary 400, so that the air pressure inside the first acoustic cavity 101 can be increased instantly to drive the diaphragm isolation member 200 to move and block the end of the capillary 400 extending into the second acoustic cavity 102. For example, the capillary 400 can be a plastic tube made of plastic material, or the capillary 400 can also be a metal tube made of metal material. Here, in the case where the capillary 400 is made of metal material, the capillary 400 can be a copper tube made of metal copper.

[0048] In the examples of this application, please refer to Figure 2 , Figure 2 It is a schematic diagram of another speaker module structure provided in an embodiment of the present application. The diaphragm isolator 200 in the speaker module 000 may include: a connecting plate 201 and a diaphragm body 202. Here, the connecting plate 201 in the diaphragm isolator 200 may be fixedly connected to the inner wall of the accommodating space A of the shell 100, and the connecting plate 201 may have an installation opening (not marked in the figure). The diaphragm body 202 in the diaphragm isolator 200 may be fixedly connected to the connecting plate 201 at the installation opening of the connecting plate 201.

[0049] In the present application, the end of the first sub-channel 401 in the capillary 400 that is away from the second sub-channel 402 can be distributed toward the diaphragm body 202. Here, the speaker body 300 in the speaker module 000 can be connected to the diaphragm body 202 in the diaphragm isolator 200, and the speaker body 300 can drive the diaphragm body 202 to vibrate to produce sound. In this case, after the air pressure inside the first sound cavity 101 increases due to the intrusion of water vapor, the first sound cavity 101 with increased air pressure can drive the diaphragm body 202 in the diaphragm isolator 200 to move toward the end of the first sub-channel 401 away from the second sub-channel 402, thereby allowing the diaphragm body 202 to block the end of the first sub-channel 401 away from the second sub-channel 402.

[0050] Optionally, the diaphragm isolator 200 in the speaker module 000 may further include an elastic seal 203. The elastic seal 203 may be fixed on a side of the diaphragm body 202 facing the first sub-pipeline 401 in the capillary tube 400.

[0051] When the diaphragm body 202 in the diaphragm isolator 200 is in an undeformed original state, there is a gap between the elastic seal 203 and the end of the first sub-channel 401 in the capillary 400 away from the second sub-channel. In this way, it can be ensured that the first sound cavity 101 and the second sound cavity 102 of the speaker module 000 can be connected through the capillary 400.

[0052] However, the air pressure inside the first acoustic cavity 101 increases due to the intrusion of water vapor, and after the air pressure increases, the first acoustic cavity 101 drives the diaphragm body 202 in the diaphragm isolator 200 to move toward the end of the first sub-pipeline 401 away from the second sub-pipeline 402, and the diaphragm body 202 can drive the elastic seal 203 to move synchronously toward the end of the first sub-pipeline 401 away from the second sub-pipeline 402, so that the diaphragm body 202 can block the end of the first sub-pipeline 401 away from the second sub-pipeline 402 through the elastic seal 203. Here, after the diaphragm body 202 drives the elastic seal 203 to move and block the end of the first sub-pipeline 401 away from the second sub-pipeline 402, the elastic seal 203 can undergo a certain elastic deformation to ensure that the elastic seal 203 can better block the end of the first sub-pipeline 401 away from the second sub-pipeline 402. In this way, the water vapor intruding into the first acoustic cavity 101 will not intrude into the second acoustic cavity 102 through the capillary 400 , thereby ensuring that the speaker body 300 in the second acoustic cavity 102 will not be damaged by the erosion of the water vapor.

[0053] In addition, after an elastic seal 203 is set between the diaphragm body 202 and the end of the first sub-pipe 401 away from the second sub-pipe 402, the elastic seal 203 can also ensure that the diaphragm body 202 will not be punctured by the end of the first sub-pipe 401 away from the second sub-pipe 402, thereby ensuring that the diaphragm body 202 can stably vibrate under the drive of the speaker body 300.

[0054] For example, the elastic seal 203 may be made of an elastic material such as foam or rubber. For example, the elastic seal 203 may be a circular seal made of these elastic materials, where the diameter of the elastic seal 203 may be 0.1 mm to 1.0 mm, and the thickness of the elastic seal 203 may be 0.1 to 0.2 mm. In one possible case, after the diaphragm body 202 is in an undeformed original state, the gap between the diaphragm body 202 and the end face of the first sub-pipeline 401 that faces away from the second sub-pipeline 402 is greater than the sum of the amplitude of the diaphragm body 202 and the thickness of the elastic seal 203. For example, when the amplitude of the diaphragm body 202 is 0.65 mm, the gap between the diaphragm body 202 and the end face of the first sub-pipeline 401 that faces away from the second sub-pipeline 402 is 1.0 mm. In this way, even when the speaker module 000 is operating normally, a certain gap can always be maintained between the elastic sealing member 203 in the diaphragm isolation member 200 and the end of the first sub-channel 401 in the capillary 400 that is away from the second sub-channel 402, thereby ensuring that the first acoustic cavity 101 and the second acoustic cavity 102 of the speaker module 000 can be connected through the capillary 400.

[0055] In the examples of this application, please refer to Figure 3 , Figure 3 The speaker body 300 in the speaker module 000 includes: a cover plate 301 , a first magnet 302 and a second magnet 303 .

[0056] The first magnet 302 in the speaker body 300 may be in a ring shape, and one side of the first magnet 302 may be connected to the edge of the diaphragm body 202, and the other side of the first magnet 302 may be connected to the cover plate 301. For example, the cover plate 301, the first magnet 302 and the diaphragm body 202 are used to enclose a bearing cavity B, and the second magnet 303 may be located in the bearing cavity B, and the second magnet 303 may be connected to the side of the cover plate 301 facing the diaphragm body 202.

[0057] In the present application, the elastic seal 203 can be located between the second magnet 303 and the diaphragm body 202; the speaker body 300 has an opening channel L penetrating the cover plate 301 and the second magnet 303, and at least part of the first sub-pipeline 401 of the capillary 400 is located in the opening channel L. In this case, the first sound cavity 101 and the bearing cavity B of the speaker body 300 located in the second sound cavity 102 can be connected through the capillary 400, thereby ensuring that the bearing cavity B of the speaker body 300 can be connected to the external environment through the capillary 400, the first sound cavity 101 and the sound outlet channel 103 in sequence, so that the heat generated by the speaker body 300 during operation will not increase the air pressure inside the bearing cavity B of the speaker body 300, thereby ensuring that the speaker body 300 can vibrate according to the stable driving diaphragm body 202, so as to ensure that the sound effect of the sound emitted by the speaker module 000 is good.

[0058] In addition, by providing an opening channel L that passes through the cover plate 301 and the second magnet 303, it can be ensured that the first sub-pipeline 401 distributed in the second acoustic cavity 102 can be distributed toward the diaphragm body 202 through the opening channel L. In this way, after the diaphragm body 202 moves toward the second magnet 303 due to the increase in air pressure in the first acoustic cavity 101, the elastic sealing member 203 provided on the diaphragm body 202 blocks the port of the opening through hole L, thereby achieving the blocking of the end of the first sub-pipeline 401 away from the second sub-pipeline 402.

[0059] Exemplarily, the end surface of the first sub-channel 401 in the capillary 400 that faces away from the second sub-channel 402 can be flush with the side of the second magnet 303 in the speaker body 300 that faces away from the cover plate 301. In this way, after the diaphragm body 202 moves toward the second magnet 303 due to the increase in air pressure in the first sound cavity 101, the elastic seal 203 provided on the diaphragm body 202 can not only directly block the port of the opening channel L, but also directly block the end of the first sub-channel 401 that faces away from the second sub-channel 402, thereby effectively improving the effect of the elastic seal 203 on blocking the end of the first sub-channel 401 that faces away from the second sub-channel 402.

[0060] Optionally, the speaker body 300 in the speaker module 000 may further include: a voice coil 304. Here, the voice coil 304 may also be annular, and the voice coil 304 may be located in the annular region between the first magnet 302 and the second magnet 303, and one side of the voice coil 304 may be connected to the diaphragm body 202. It should be noted that the annular region between the first magnet 302 and the second magnet 303 is also called a magnetic air gap, and the first magnet 302 and the second magnet 303 may generate a stable magnetic field in the magnetic air gap, so that the voice coil 304 located in the magnetic air gap can vibrate along its own axial direction under the action of the magnetic field, and then can drive the diaphragm body 202 to vibrate synchronously to produce sound.

[0061] For example, the voice coil 304 may include: an annular voice coil frame and a conductive coil (not shown in the figure), and the conductive coil may be wound on the outer surface of the voice coil frame. The conductive coil is used to receive audio signals, and when the conductive coil receives the audio signal, the conductive coil generates current. At this time, the conductive coil can drive the voice coil frame to move along its own axis under the action of the magnetic field, thereby driving the diaphragm body 202 to vibrate synchronously to produce sound.

[0062] In the embodiment of the present application, the cover plate 301 in the speaker body 300 has a first opening V1 connecting the second acoustic cavity 102 and the bearing cavity B. In this case, the area in the second acoustic cavity 102 where the speaker body 300 is not provided can be connected with the bearing cavity B of the speaker body 300 through the first opening V1, thereby ensuring that the area in the second acoustic cavity 102 where the speaker body 300 is not provided can be connected to the external environment through the bearing cavity B of the speaker body 300, the capillary 400, the first acoustic cavity 101 and the sound outlet channel 103 in sequence. In this way, the heat generated during the operation of the speaker body 300 will not increase the air pressure in the area in the second acoustic cavity 102 where the speaker body 300 is not provided, so as to ensure that the speaker body 300 can more stably drive the diaphragm body 202 to vibrate.

[0063] Optional, please refer to Figure 4 , Figure 4 It is a schematic diagram of another speaker module structure provided in an embodiment of the present application. The shell 100 in the speaker module 000 may include: a first plate 104 and a second plate 105 arranged opposite to each other. Among them, the first plate 104 and the second plate 105 may be arranged in parallel, and the sound outlet channel 103 of the shell 100 may be located between the first plate 104 and the second plate 105. For example, the first sound cavity 101 is located between the first plate 104 and the diaphragm isolation member 200, and the second sound cavity 102 is located between the second plate 105 and the diaphragm isolation member 200.

[0064] In the present application, a second opening V2 is further provided on the second plate 105, and the capillary 400 in the speaker module 000 may further include: a third sub-pipeline 403, the third sub-pipeline 403 is fixed in the second opening V2, and the two ends of the third sub-pipeline 403 are respectively connected to the first sub-pipeline 401 and the second sub-pipeline 402. That is, after the third sub-pipeline 403 in the capillary 400 is fixed in the second opening V2, the first sub-pipeline 401 in the capillary 400 connected to one end of the third sub-pipeline 403 can extend into the second sound cavity 102 of the housing 100, and the second sub-pipeline 402 in the capillary 400 connected to the other end of the third sub-pipeline 403 can extend to the outside of the accommodating space A of the housing 100.

[0065] In the embodiment of the present application, the housing 100 in the speaker module 000 may further include: a first side panel 106. The first side panel 106 may be disposed on a side opposite to the sound outlet channel 103, and both sides of the first side panel 106 may be fixedly connected to the first plate body 104 and the second plate body 105, respectively.

[0066] The first side plate 106 is also provided with a third opening V3 communicating with the first acoustic cavity 101 , and the end of the second sub-pipeline 402 in the capillary 400 away from the first sub-pipeline 401 is communicated with the first acoustic cavity 101 in the third opening V3 .

[0067] Optionally, the speaker module 000 further includes: a first sealing colloid 500 and a second sealing colloid 600. The first sealing colloid 500 is located between the second opening V2 and the third sub-pipeline 403; the second sealing colloid 600 is located between the third opening V3 and the end of the second sub-pipeline 402 away from the first sub-pipeline 401. The first sealing colloid 500 can be provided to seal the gap between the second opening V2 and the third sub-pipeline 403, and the second sealing colloid 600 can be provided to seal the gap between the third opening V3 and the second sub-pipeline 402. Here, by setting the first sealing colloid 500, it can be ensured that the sealing inside the second acoustic cavity 102 is better, so that the second acoustic cavity 102 can only be connected with the first acoustic cavity 101 through the capillary 400; by setting the second sealing colloid 600, it can be ensured that the second acoustic cavity 102 can be better connected with the first acoustic cavity 101 through the capillary 400, and it can be ensured that the air pressure in the first acoustic cavity 101 and the air pressure in the second acoustic cavity 102 are always consistent.

[0068] Alternatively, if Figure 4As shown, the speaker module 000 also includes a dustproof net 700, which is fixed at the sound outlet channel 103 of the housing 100 in the speaker module 000. Here, the dustproof net 700 can prevent dust in the external environment from entering the first sound cavity 101 in the speaker module 000, so as to ensure that the first sound cavity 101 can produce sound with better sound quality more stably. In addition, the dustproof net 700 also has a certain air permeability, thereby ensuring that the first sound cavity 101 can be connected to the external environment through the dustproof net 700, so as to ensure that under normal circumstances, the air pressure inside the first sound cavity 101 is consistent with the air pressure of the external environment.

[0069] In the embodiment of the present application, when a small amount of water vapor intrudes from the sound outlet channel 103 of the speaker module 000, please refer to Figure 5 , Figure 5 This is a rendering of a speaker module after being invaded by water vapor provided in an embodiment of the present application. The dustproof net 700 located at the sound outlet channel 103 of the shell 100 will block the water vapor, so that a small amount of water vapor cannot enter the first sound cavity 101 through the sound outlet channel 103, thereby protecting the speaker body 300 in the second sound cavity 102 in the speaker module 000 from the invasion of water vapor.

[0070] As the intruding water vapor flow rate increases, please refer to Figure 6 , Figure 6 This is another effect diagram of a speaker module after water vapor intrusion provided by an embodiment of the present application. The dustproof net 700 located at the sound outlet channel 103 of the housing 100 will no longer be able to block water vapor, causing water vapor to gradually enter the first sound cavity 101 and converge inside the first sound cavity 101. The first sound cavity 101 and the external environment can be separated by the intruding water vapor. And because the second sound cavity 102 connected to the first sound cavity 101 through the capillary 400 is not provided with an air vent, the air pressure in the first sound cavity 101 will increase, thereby preventing the continuous intrusion of water vapor.

[0071] As the intruding water vapor flow rate increases further, please refer to Figure 7 , Figure 7Another effect diagram of water vapor entering a speaker module provided by an embodiment of the present application is that after more water vapor enters the first sound cavity 101 through the dustproof net 700 located at the sound outlet channel 103 of the housing 100, the air pressure in the first sound cavity 101 will further increase, and under the action of this air pressure, the first sound cavity 101 can drive the diaphragm body 202 in the diaphragm isolation member 200 to move toward the end of the first sub-pipeline 401 away from the second sub-pipeline 402, and the diaphragm body 202 can drive the elastic seal 203 to move toward the end of the first sub-pipeline 401 away from the second sub-pipeline 402 synchronously, so that the diaphragm body 202 can block the end of the first sub-pipeline 401 away from the second sub-pipeline 402 through the elastic seal 203. In this way, the end of the first sub-pipeline 401 in the capillary 400 away from the second sub-pipeline 402 can be made into a sealed end, thereby preventing water vapor from invading the second sound cavity 102 through the capillary 400.

[0072] After the pressure of the external water vapor is eliminated, the air pressure in the first sound cavity 101 decreases accordingly, and the diaphragm body 202 in the diaphragm isolator 200 can be restored to the initial state without deformation. At the same time, the diaphragm body 202 drives the elastic seal 203 away from the end of the first sub-pipeline 401 away from the second sub-pipeline 402, so that the elastic seal 203 will no longer block the end of the first sub-pipeline 401 in the capillary 400 away from the second sub-pipeline 402. In a possible case, after the speaker body 300 starts working, the voice coil 304 in the speaker body 300 will heat up, and the heat will increase the air pressure in the second sound cavity 102, and the residual water vapor in the first sound cavity 101 can be discharged through the sound outlet channel 103 by the increased air pressure, until the first sound cavity 101 is connected to the external environment through the sound outlet channel 103 again.

[0073] In summary, the embodiment of the present application provides a speaker module, including: a shell, a diaphragm isolator, a speaker body and a capillary. Since the first sound cavity of the shell can be connected to the external environment through the sound outlet channel, even if the shell is not provided with a pressure relief hole for connecting the second sound cavity with the external environment, the second sound cavity can be connected to the external environment through the capillary, the first sound cavity and the sound outlet channel in sequence, so that the internal and external air pressures of the second sound cavity can be balanced. In addition, after the water vapor in the external environment invades the first sound cavity of the shell through the sound outlet channel, the air pressure inside the first sound cavity will increase, and the first sound cavity with increased internal air pressure will drive the diaphragm isolator to move toward the direction of the first sub-pipeline in the capillary, and then the end of the first sub-pipeline away from the second sub-pipeline can be blocked. In this way, it can be ensured that the water vapor invading the first sound cavity cannot invade the interior of the second sound cavity through the capillary, and then it can be ensured that the speaker body arranged inside the second sound cavity is not easily damaged, so that the reliability of this speaker module is higher.

[0074] The present application also provides an electronic device, which can be a mobile phone, a laptop computer, a smart home device, etc. Figure 8 , Figure 8 1 is a schematic diagram of the structure of an electronic device provided in an embodiment of the present application. The electronic device comprises a housing 01 and a speaker module 000 fixed in the housing, wherein the speaker module 000 is any of the above-mentioned speaker modules 000.

[0075] In the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless otherwise clearly defined.

[0076] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A speaker module, characterized in that: include: Shell, diaphragm isolator, speaker body and capillary; The housing has a containing space and a sound outlet channel communicating with the containing space; a diaphragm isolator fixed in the accommodating space, the diaphragm isolator being used to separate the accommodating space into a first sound cavity and a second sound cavity, the first sound cavity being in communication with the sound output channel; The speaker body is fixed in the second sound cavity; The capillary includes: a first sub-pipe and a second sub-pipe that are connected, the first sub-pipe is distributed in the second sound cavity, and the end of the first sub-pipe away from the second sub-pipe is distributed toward the diaphragm isolation member, the second sub-pipe is distributed outside the accommodating space, and the end of the second sub-pipe away from the first sub-pipe is connected to the first sound cavity.

2. The speaker module according to claim 1, characterized in that: The diaphragm isolation member comprises: a connecting plate and a diaphragm body, the connecting plate is fixedly connected to the inner wall of the accommodating space, and the connecting plate has a mounting opening, and the diaphragm body is fixedly connected to the connecting plate at the mounting opening; Wherein, the end of the first sub-pipeline facing away from the second sub-pipeline is distributed toward the diaphragm body.

3. The speaker module according to claim 2, characterized in that: The diaphragm isolator also includes: an elastic sealing member fixed to a side of the diaphragm body facing the first sub-pipeline; Wherein, after the diaphragm body is in an original state without deformation, there is a gap between the elastic sealing component and the end of the first sub-pipeline facing away from the second sub-pipeline.

4. The speaker module according to claim 3, characterized in that: The speaker body comprises: a cover plate, a first magnet and a second magnet; The first magnet is ring-shaped, and one side of the first magnet is connected to the edge of the diaphragm body, and the other side of the first magnet is connected to the cover plate; the first magnet, the cover plate and the diaphragm body are used to enclose a bearing cavity; the second magnet is located in the bearing cavity and is connected to a side of the cover plate facing the diaphragm body; The elastic sealing component is located between the second magnet and the diaphragm body, the speaker body has an open channel penetrating the cover plate and the second magnet, and at least a portion of the first sub-pipeline is located in the open channel.

5. The speaker module according to claim 4, characterized in that: An end surface of one end of the first sub-pipeline facing away from the second sub-pipeline is flush with a surface of the second magnet facing away from the cover plate.

6. The speaker module according to claim 4, characterized in that: The cover plate has a first opening for connecting the second acoustic cavity and the bearing cavity.

7. The speaker module according to any one of claims 1 to 6, characterized in that: The housing comprises: a first plate body and a second plate body arranged opposite to each other, the sound outlet channel is located between the first plate body and the second plate body, the first sound cavity is located between the first plate body and the diaphragm isolating member, and the second sound cavity is located between the second plate body and the diaphragm isolating member; The second plate body has a second opening, and the capillary tube further includes: a third sub-pipeline fixed in the second opening, and two ends of the third sub-pipeline are respectively connected to the first sub-pipeline and the second sub-pipeline.

8. The speaker module according to claim 7, characterized in that: The housing further comprises: a first side plate arranged opposite to the sound outlet channel, wherein two sides of the first side plate are respectively fixedly connected to the first plate body and the second plate body; The first side plate has a third opening connected to the first acoustic cavity, and the end of the second sub-pipeline away from the first sub-pipeline is connected to the first acoustic cavity in the third opening.

9. The speaker module according to claim 8, characterized in that: The speaker module further includes: a first sealing colloid located between the second opening and the third sub-pipeline, and a second sealing colloid located between the third opening and an end of the second sub-pipeline away from the first sub-pipeline.

10. An electronic device, characterized in that: The invention comprises: a housing, and a speaker module fixed in the housing, wherein the speaker module is the speaker module according to any one of claims 1 to 9.

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