Electronic device with sound generation function

Abstract

The present invention provides an electronic device having a sound generation function. The present invention includes a case structural member and a speaker attached to the case structural member, The speaker includes a first sound producing unit and a second sound producing unit that are coaxially arranged, the first sound producing unit is arranged around the outside of the second sound producing unit, the first sound producing unit is used for producing low pitch sounds, and the second sound producing unit is used for producing high pitch sounds, and the case structural member is provided with a sound guide passage that guides sound from the speaker to the outside of the electronic device, the sound guide passage including a first passage that guides sound from the first sound producing unit, a second passage that guides sound from the second sound producing unit and is separated from the first passage, and a common passage that connects the first passage and the second passage together to the outside of the electronic device, and the second passage includes a front chamber of the second sound producing unit and a connecting passage that connects the front chamber to the common passage, and the connecting passage is provided in a horn structure. The electronic device with sound producing function of the present invention improves the high pitch effect.

Description

[Technical field]

[0001] The present invention relates to the field of electroacoustic conversion, and more particularly to electronic devices having a sound generating function. [Background technology]

[0002] An electronic device with sound generation function according to the related art includes a case structural member and a speaker attached to the case structural member, the speaker including a first sound generation unit and a second sound generation unit that are coaxially arranged, the first sound generation unit is arranged around the outside of the second sound generation unit, the first sound generation unit is used to generate low-pitched sounds, and the second sound generation unit is used to generate high-pitched sounds, the case structural member is provided with a sound guide passage that guides sounds from the speakers to the outside of the electronic device, and the low-pitched sounds from the first sound generation unit and the high-pitched sounds from the second sound generation unit are guided through the same sound guide passage, but due to limitations in the size of the speaker and the influence between the high-pitched sounds and the low-pitched sounds, the high-pitched sounds are weakened, resulting in a lack of high-pitched sounds in the electronic device.

[0003] Therefore, in order to solve the above technical problems, it is necessary to provide an electronic device having a new sound generation function. Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present invention is to solve the above technical problems and to provide an electronic device having a sound generation function with improved treble effect. [Means for solving the problem]

[0005] In order to achieve the above object, the electronic device with sound production function provided by the present invention comprises a case structural member and a speaker attached to the case structural member, the speaker including a first sound production unit and a second sound production unit arranged coaxially, the first sound production unit is arranged around the outside of the second sound production unit, the first sound production unit is used for low-pitched sound production and the second sound production unit is used for high-pitched sound production, the case structural member is provided with a sound guide passage for guiding sound from the speaker to the outside of the electronic device, the sound guide passage includes a first passage for guiding sound from the first sound production unit, a second passage for guiding sound from the second sound production unit and separated from the first passage, and a common passage connecting both the first passage and the second passage to the outside of the electronic device, the second passage includes a front chamber of the second sound production unit and a connecting passage connecting the front chamber and the common passage, the connecting passage being provided in a horn structure.

[0006] Preferably, the case structural member includes a middle frame and a screen covered by the middle frame, the middle frame and the screen forming the voice guide passage in cooperation with each other.

[0007] Preferably, the middle frame includes a main wall to which the speaker is attached, and a side wall connected to the main wall and located on a side of the speaker, the main wall is provided with a support portion extending in a direction away from the screen, the speaker includes a first frame and a second frame, the first frame is provided around the outside of the second frame, the first sound-producing unit is provided between the first frame and the second frame, the second sound-producing unit is provided inside the second frame, the first frame is fixed to the support portion, and the main wall is provided with the first sound-producing unit. The second frame further includes a first through hole located above the sound-producing unit, a second through hole located above the second sound-producing unit, and a dividing partition separating the first through hole and the second through hole, the dividing partition including a surrounding wall forming the front chamber, the second frame is fixed to the surrounding wall, and a gap is provided in the surrounding wall, the dividing partition further including a pair of extending walls extending from the gap in a direction away from the surrounding wall and arranged opposite to each other with a gap therebetween, the pair of extending walls form the connecting passage, and the gap distance between the pair of extending walls gradually increases in a direction away from the gap to the surrounding wall.

[0008] Preferably, the common passage includes a first portion formed between the screen and the main wall and a second portion formed within the side wall, and a damping net is provided between the first portion and the second portion.

[0009] Preferably, the speaker further includes a magnetic path system, the first frame and the second frame are fixed to the magnetic path system, and a first magnetic gap and a second magnetic gap are provided in the magnetic path system, the first sound-producing unit includes a first diaphragm and a first voice coil that drives the first diaphragm to vibrate it to produce sound, the second sound-producing unit includes a second diaphragm and a second voice coil that drives the second diaphragm to vibrate it to produce sound, the first voice coil is inserted in the first magnetic gap, and the second voice coil is inserted in the second magnetic gap. Effect of the Invention

[0010] In the electronic device with pronunciation function of the present invention, the voice guide passage includes a first passage that guides sound from the first pronunciation unit, a second passage that guides sound from the second pronunciation unit and is separated from the first passage, and a common passage that connects both the first passage and the second passage to the outside of the electronic device. The second passage includes a front chamber of the second pronunciation unit and a connecting passage that connects the front chamber to the common passage, and the connecting passage is provided in a horn structure, so that the low tones from the first pronunciation unit and the high tones from the second pronunciation unit first pass through separate passages and then join in the common passage. At the same time, the high tones from the second pronunciation unit are further amplified by the front chamber of the second passage and the connecting passage provided in the horn structure, thereby improving the high-pitched sound effect and maximally ensuring that the low tones are emitted fluently. [Brief description of the drawings]

[0011] In order to more clearly describe the technical solutions in the embodiments of the present invention, the drawings necessary for describing the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can obtain other drawings based on these drawings without any inventive work, among which: [Figure 1] FIG. 1 is a perspective view showing a partial structure of an electronic device having a sound generating function according to the present invention. [Diagram 2] FIG. 2 is an exploded perspective view showing the electronic device having a sound generating function shown in FIG. [Diagram 3] FIG. 3 is a perspective view showing the electronic device having a sound generating function shown in FIG. 1, except for the screen. [Figure 4] FIG. 4 is a partial cross-sectional view taken along line AA of FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by those skilled in the art without making inventive efforts based on the embodiments of the present invention shall be included in the protection scope of the present invention.

[0013] 1 to 4, the present invention provides an electronic device 100 with a sound production function, which includes a case structural member 1 and a speaker 2 attached to the case structural member 1. The electronic device 100 with a sound production function may be a smartphone, a tablet computer, or the like.

[0014] The speaker 2 includes a first sound-producing unit 21 and a second sound-producing unit 22 arranged coaxially, the first sound-producing unit 21 is arranged around the outside of the second sound-producing unit 22, the first sound-producing unit 21 is used for producing low-pitched sounds, and the second sound-producing unit 22 is used for producing high-pitched sounds.

[0015] The case structural member 1 is provided with a voice guide passage 10 that guides the sound from the speaker 2 to the outside of the electronic device 100, and the voice guide passage 10 includes a first passage 101 that guides the sound from the first sound production unit 21, a second passage 102 that guides the sound from the second sound production unit 22 and is separated from the first passage 101, and a common passage 103 that connects the first passage 101 and the second passage 102 together to the outside of the electronic device 100. In this embodiment, the case structural member 1 includes a middle frame 11 and a screen 12 covered by the middle frame 11, and the middle frame 11 and the screen 12 jointly form the voice guide passage 10.

[0016] The second passage 102 includes a front chamber 1021 of the second sound generating unit 22 and a connecting passage 1022 that connects the front chamber 1021 and the common passage 103, and the connecting passage 1022 is provided in a horn structure.

[0017] The middle frame 11 includes a main wall 111 to which the speaker 2 is attached, and a side wall 112 connected to the main wall 111 and located on a side of the speaker 2. The main wall 111 is provided with a support portion 1111 extending in a direction away from the screen 12. The speaker 2 includes a first frame 23 and a second frame 24. The first frame 23 is provided around the outside of the second frame 24. The first sound-producing unit 21 is provided between the first frame 23 and the second frame 24. The second sound-producing unit 22 is provided inside the second frame 24. The first frame 23 is fixed to the support portion 1111. The main wall 111 is provided with a first through-hole 1112 located above the first sound-producing unit 21. A second through hole 1113 is located above the second sound-producing unit 22, and a dividing partition 1114 is further provided to divide the first through hole 1112 and the second through hole 1113, the dividing partition 1114 includes a surrounding wall 11141 which forms the front chamber 1021, the second frame 24 is fixed to the surrounding wall 11141, the surrounding wall 11141 is provided with a gap X, the dividing partition 1114 further includes a pair of extending walls 11142 which extend from the gap X in a direction away from the surrounding wall 11141 and are arranged opposite to each other with a gap therebetween, the pair of extending walls 11142 form the connecting passage 1022, and the gap distance between the pair of extending walls 11142 gradually increases in a direction away from the gap X to the surrounding wall 11141.

[0018] The common passage 103 includes a first portion 1031 formed between the screen 12 and the main wall 111, and a second portion 1032 formed within the side wall 112, and a damping net 3 is provided between the first portion 1031 and the second portion 1032.

[0019] The speaker 2 further includes a magnetic path system 25, the first frame 23 and the second frame 24 are fixed to the magnetic path system 25, and a first magnetic gap 251 and a second magnetic gap 252 are provided in the magnetic path system 25. The first sound-producing unit 21 includes a first diaphragm 211 and a first voice coil 212 that drives the first diaphragm 211 to vibrate it to produce sound. The second sound-producing unit 22 includes a second diaphragm 221 and a second voice coil 222 that drives the second diaphragm 221 to vibrate it to produce sound. The first voice coil 212 is inserted into the first magnetic gap 251, and the second voice coil 222 is inserted into the second magnetic gap 252.

[0020] In the electronic device with pronunciation function of the present invention, the voice guide passage includes a first passage that guides sound from the first pronunciation unit, a second passage that guides sound from the second pronunciation unit and is separated from the first passage, and a common passage that connects both the first passage and the second passage to the outside of the electronic device. The second passage includes a front chamber of the second pronunciation unit and a connecting passage that connects the front chamber to the common passage, and the connecting passage is provided in a horn structure, so that the low tones from the first pronunciation unit and the high tones from the second pronunciation unit first pass through separate passages and then join in the common passage. At the same time, the high tones from the second pronunciation unit are further amplified by the front chamber of the second passage and the connecting passage provided in the horn structure, thereby improving the high-pitched sound effect and maximally ensuring that the low tones are emitted fluently.

[0021] The above is merely an embodiment of the present invention, and it should be noted here that those skilled in the art may make modifications without departing from the creative idea of ​​the present invention, and all such modifications are within the scope of protection of the present invention.

Claims

1. An electronic device having a sound generating function, comprising: a case structural member; and a speaker attached to the case structural member, The speaker includes a first sound-producing unit and a second sound-producing unit that are coaxially arranged, the first sound-producing unit is arranged around the outside of the second sound-producing unit, the first sound-producing unit is used for producing low-pitched sounds, and the second sound-producing unit is used for producing high-pitched sounds; a voice guide passage is provided in the case structural member to guide the sound from the speaker to the outside of the electronic device, the voice guide passage including a first passage to guide the sound from the first sound production unit, a second passage to guide the sound from the second sound production unit and separated from the first passage, and a common passage that connects the first passage and the second passage together to the outside of the electronic device; the second passage includes a front chamber of the second sound-producing unit and a connecting passage that connects the front chamber and the common passage, The case structural member includes a middle frame and a screen covered by the middle frame, and the middle frame and the screen cooperate to form the voice guide passage; The middle frame includes a main wall to which the speaker is attached, and a side wall connected to the main wall and located on a side of the speaker, the main wall is provided with a support portion extending in a direction away from the screen, the speaker includes a first frame and a second frame, the first frame is provided around the outside of the second frame, the first sound-producing unit is provided between the first frame and the second frame, the second sound-producing unit is provided inside the second frame, the first frame is fixed to the support portion, and the main wall is provided with a support portion for supporting the first sound-producing unit. a first through hole located above the second sound-producing unit, a second through hole located above the second sound-producing unit, and a dividing partition separating the first through hole and the second through hole, the dividing partition including a surrounding wall forming the front chamber, the second frame being fixed to the surrounding wall, a gap being formed in the surrounding wall, the dividing partition further including a pair of extending walls extending from the gap in a direction away from the surrounding wall and disposed opposite to each other with a gap therebetween, the pair of extending walls forming the connecting passage, and a distance between the pair of extending walls gradually increasing in a direction away from the gap to the surrounding wall, 1. An electronic device having a sound generation function, comprising:

2. the common passage includes a first portion formed between the screen and the main wall and a second portion formed within the side wall, and a damping net is provided between the first portion and the second portion.

2. The electronic device having a sound generation function according to claim 1.

3. The speaker further includes a magnetic path system, the first frame and the second frame are fixed to the magnetic path system, and a first magnetic gap and a second magnetic gap are provided in the magnetic path system. The first sound-producing unit includes a first diaphragm and a first voice coil that is driven to vibrate the first diaphragm to produce sound. The second sound-producing unit includes a second diaphragm and a second voice coil that is driven to vibrate the second diaphragm to produce sound. The first voice coil is inserted into the first magnetic gap, and the second voice coil is inserted into the second magnetic gap.

2. The electronic device having a sound generation function according to claim 1.

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