CN205040024U - Two -way miniature speaker - Google Patents
Two -way miniature speaker Download PDFInfo
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- CN205040024U CN205040024U CN201520797525.2U CN201520797525U CN205040024U CN 205040024 U CN205040024 U CN 205040024U CN 201520797525 U CN201520797525 U CN 201520797525U CN 205040024 U CN205040024 U CN 205040024U
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- high pitch
- vibration component
- voice coil
- lid
- loud speaker
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Abstract
The utility model discloses a two -way miniature speaker, include magnetic circuit assembly, the basin frame that vibrates the subassembly and accept magnetic circuit assembly, the vibration subassembly includes bass vibration subassembly and high pitch vibration subassembly, and the bottom of basin frame combines to have the lid, and the openly corresponding high pitch vibration subassembly of the periphery of high pitch vibration subassembly, lid is lived to the corresponding parcel in side of lid to set up the air guide structure that communicates with outside atmospheric environment, the setting is extended by being located the positive hole of revealing of lid to the direction of keeping away from high pitch vibration subassembly to the air guide structure. The utility model discloses a two -way miniature speaker, the one side can strengthen the radiant efficiency of high pitch vibrating diaphragm, improves the sensitivity of medium -high frequency department, on the other hand can balance inside and outside atmospheric pressure, increases the acoustic resistance simultaneously, reduces sound and exposes.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of bi-directional mini loud speaker.
Background technology
Loud speaker is a kind of can be the device of acoustic energy by electric energy conversion, is now widely used in the mobile terminal electronic installations such as mobile phone, computer, MP3.Loud speaker, as basic microphone device, has very crucial impact to the sounding effect of terminal installation, and along with the progress of science and technology and the development of electron trade, people it is also proposed higher requirement for the performance of loud speaker.
Conventional loud speaker is generally unidirectional horn structure, comprise a magnetic circuit and a vibration component, this structural design is fairly simple, but but cannot take into account performance and the tonequality of product different frequency range when high and low frequency well, there are some speakers low frequencies place better performances, also some are had to be then high frequency treatment better performances, based on this, double-bang firecracker loudspeaker progress into the visual field of people, two-way loudspeaker works when can meet low frequency and high frequency simultaneously, for the performance curve of product and the tonequality of audition, there is effect that is complementary and that promote, the deficiency of unidirectional loud speaker can be made up to a certain extent.But for two-way loudspeaker, elongated all can exist the not high problem of tweeters diaphragms radiation efficiency, for this problem, be necessary to improve existing two-way loudspeaker structure, to strengthen the radiation efficiency of HFS vibrating diaphragm.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of bi-directional mini loud speaker, by increasing this structure of lid, strengthening the radiation efficiency of HFS vibrating diaphragm, improving the sensitivity of product medium-high frequency further.
To achieve these goals, the utility model by the following technical solutions: a kind of bi-directional mini loud speaker, comprises magnetic circuit assembly, vibration component and accommodate the frame of described magnetic circuit assembly; Described vibration component comprises bass vibration component and high pitch vibration component, and wherein, the bottom of described frame is combined with lid; The side correspondence of described lid wraps the periphery of described high pitch vibration component; The corresponding described high pitch vibration component in front of described lid, and offer the gas-guiding structure be communicated with atmosphere outside; Described gas-guiding structure is extended to the direction away from described high pitch vibration component by the leak holes being positioned at described lid front.
Improve as one, described bi-directional mini loud speaker is loop configuration.
Improve as one, the base portion that described lid comprises arcuation and the sidepiece extended to the direction of described high pitch vibration component from described base portion; Described leak holes is opened in the middle position of described base portion; Described gas-guiding structure vertically to be extended to the direction away from described high pitch vibration component by described leak holes and forms.
Improve as one, described frame comprises basal wall and from the parallel sidewall extended laterally of the openend of described basal wall; Sidepiece and the described frame of described lid are connected and fixed.
Improve as one, described frame basal wall is provided with projection; On described lid sidepiece, the position of corresponding described projection is provided with the groove matched; Described projection and described groove fit are fixed.
Improve as one, the corresponding low frequency of described bass vibration component; The corresponding high frequency of described high pitch vibration component; The surrounding of described HFS seals by described lid.
Improve as one, described magnetic circuit assembly comprises magnet and is covered in the washer plate on described magnet; Described washer plate is the smooth and arc structure that is that swell gradually to center of surrounding; The edge of described washer plate extends near the direction of described magnet, wraps up described magnet; The center of described washer plate is recessed, and extends near the direction of described high pitch vibration component;
Improve as one, described bass vibration component comprises bass voice coil loudspeaker voice coil and bass vibrating diaphragm; Described high pitch vibration component comprises described high pitch voice coil loudspeaker voice coil and described tweeters diaphragms; Described high pitch voice coil loudspeaker voice coil is positioned at the inner side of the magnet of described magnetic circuit assembly, and described bass voice coil loudspeaker voice coil is positioned at the outside of the magnet of described magnetic circuit assembly.
Improve as one, between described magnet and frame, form the first magnetic gap; Described bass voice coil loudspeaker voice coil is suspended in described first magnetic gap; The extension of described magnet and washer plate forms the second magnetic gap; Described high pitch voice coil loudspeaker voice coil is suspended in described second magnetic gap.
Improving as one, the sidewall of described frame being combined with the conducting wire plate for connecting peripheral circuits; Described frame sidewall is provided with acoustic aperture; Described acoustic aperture has been sticked screen cloth.
Compared to existing technologies, bi-directional mini loud speaker of the present utility model, the bottom of its frame is combined with lid, the side wrap of lid lives the periphery of high pitch vibration component, the sealing to product HFS periphery can be realized, thus HFS vibrating diaphragm is increased to the radiation efficiency of low frequency part, radiative acoustic wave more internally transmits, and then improves the sensitivity of product at medium-high frequency place; On the other hand, because the one side of the corresponding HFS of lid is provided with the gas-guiding structure being communicated with atmosphere outside, and this gas-guiding structure is from leak holes to away from the extended structure in high pitch vibration component direction, not only can active balance air pressure, can acoustic resistance be increased simultaneously, reduce sound and reveal.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model bi-directional mini loadspeaker structure;
Fig. 2 is the utility model bi-directional mini loud speaker back appearance schematic diagram;
Fig. 3 is the generalized section of the utility model bi-directional mini loadspeaker structure;
Fig. 4 is the cutaway view of the utility model bi-directional mini speaker cover body structure;
Reference numeral wherein comprises: 1, frame, and 11, basal wall, 110, protruding, 12, sidewall, 2, magnet, 3, washer plate, 4, bass vibration component, 41, bass vibrating diaphragm, 42, bass voice coil loudspeaker voice coil, 5, high pitch vibration component, 51, tweeters diaphragms, 52, high pitch voice coil loudspeaker voice coil, 6, lid, 61, base portion, 62, sidepiece, 63, gas-guiding structure, 630, leak holes, 7, conducting wire plate, 8, screen cloth.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment:
Consult Fig. 1, Fig. 2 and Fig. 3 jointly shown in, the bi-directional mini loud speaker of present embodiment is loop configuration, involving vibrations system and magnetic circuit assembly, wherein, vibrational system comprises bass vibration component 4 and high pitch vibration component 5, the low frequency part of bass vibration component 4 corresponding product, the HFS of high pitch vibration component 5 then corresponding product, concrete, bass vibration component 4 comprises the bass be mutually bonded together and shakes and touch 41 and bass voice coil loudspeaker voice coil 42, and high pitch vibration component 5 comprises the tweeters diaphragms 51 and high pitch voice coil loudspeaker voice coil 52 that are mutually bonded together; Magnetic circuit assembly is contained in frame 1, comprises magnet 2 and washer plate 3, and washer plate 3 is the structure of hollow, is formed with magnetic gap between magnet 2 and frame 1, and bass voice coil loudspeaker voice coil 42 is just suspended in this magnetic gap, and one end of high pitch voice coil loudspeaker voice coil 52 is then placed in the inner side of magnet 2.In the utility model, the bottom of frame 1 is combined with lid 6, the side wrap of lid 6 lives the periphery of high pitch vibration component 5, the corresponding high pitch vibration component 5 in front of lid 6, and offer the gas-guiding structure 63 be communicated with atmosphere outside, gas-guiding structure 63 is extended to the direction away from high pitch vibration component 5 by the leak holes 630 being positioned at lid 6 front.
By this kind of design, the surrounding of the HFS of bi-directional mini loud speaker can be sealed by lid, such tweeters diaphragms will strengthen to the radiation efficiency of low frequency part, be conducive to the sensitivity improving medium-high frequency place, in addition because the one side of the corresponding high pitch vibration component of lid adds the part extending and arrange on the basis offering leak holes, both can equilibrium air pressure, can acoustic resistance be increased again, reduce sound and reveal.
Specifically, the base portion 61 that lid 6 comprises arcuation and the sidepiece 62 extended to the direction of high pitch vibration component 5 from base portion 61, the middle position of base portion 61 offers the leak holes 630 of equilibrium air pressure, and gas-guiding structure 63 is the tubular structure vertically extended to the direction away from high pitch vibration component 5 by leak holes 630.
In present embodiment, lid 6 is incorporated in frame 1, frame 1 comprises basal wall 11 and from the parallel sidewall 12 extended laterally of the openend of basal wall 11, sidepiece 62 and the frame 1 of lid are connected and fixed, more specifically, the basal wall 12 of frame 1 is provided with protruding 110, and the position of lid sidepiece 62 respective protrusions 110 is provided with the groove 620 matched, protruding 110 cooperatively interact with groove 620, contribute to the fixing of lid 6 and frame 1.
Consult shown in Fig. 3, bi-directional mini loud speaker shown in present embodiment is preferably the structure that a kind of high and low sound vibration component shares a magnetic circuit assembly, the center of washer plate 3 is recessed, and extend near the direction of high pitch vibration component 5, form the first magnetic gap between magnet 2 and frame 1, bass voice coil loudspeaker voice coil 42 is suspended in the first magnetic gap, and magnet 2 forms the second magnetic gap with the extension of washer plate 3, high pitch sound, 52 are suspended in the second magnetic gap.Such high pitch voice coil loudspeaker voice coil 52 is positioned at the inner side of magnet 2, and bass voice coil loudspeaker voice coil 42 is positioned at the outside of magnet 2, and magnetic circuit assembly outwards launches the magnetic line of force by the sidewall of frame 1 (being preferably metal material), inwardly launches the magnetic line of force by the extension 33 of washer plate 3.Compared to the existing bi-directional mini loud speaker coordinating different magnetic circuit component operation respectively, adopt said structure, effectively can improve the sensitivity of product medium-high frequency part, improve product tonequality, structure is simple simultaneously, cost-saving.
During concrete enforcement, the sidewall 12 of frame 1 is also combined with the conducting wire plate (pcb board) 7 for connecting peripheral circuits, the current signal of such external circuit can be passed to voice coil loudspeaker voice coil by conducting wire plate 7, voice coil loudspeaker voice coil does the motion of the reciprocating cutting magnetic line of force under the effect of electromagnetic field, thus drive and be attached thereto the diaphragm oscillations connect, produce sound wave, and be passed to external environment by the acoustic aperture on the sidewall that is arranged at frame 1, acoustic aperture has been sticked screen cloth 8, and screen cloth 8 can be used for tuning.Frame 1 involved is herein preferably the structure of metal material.
Consult shown in Fig. 1 and Fig. 3, the bi-directional mini loud speaker of present embodiment, its washer plate 3 is preferably the smooth and arc structure that is that swell gradually to center of surrounding, its marginal portion extends near the direction of magnet 2, parcel magnet 2, is equal to the thickness adding washer plate 3 like this, such that the magnetic line of force is more even, integrated distribution, the distortion that effectively can improve product is bad, optimizing product performance.
It should be noted that, the magnetic circuit of the bi-directional mini loud speaker shown in present embodiment is single magnetic structure, in fact, the enforcement of the technical program is not limited to the product of single magnetic structure, bi-directional mini speaker product for multipath magnetic circuit structure can be suitable for equally, not by the restriction of this embodiment.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a bi-directional mini loud speaker, comprises magnetic circuit assembly, vibration component and accommodates the frame of described magnetic circuit assembly; Described vibration component comprises bass vibration component and high pitch vibration component, it is characterized in that: the bottom of described frame is combined with lid; The side correspondence of described lid wraps the periphery of described high pitch vibration component; The corresponding described high pitch vibration component in front of described lid, and offer the gas-guiding structure be communicated with atmosphere outside; Described gas-guiding structure is extended to the direction away from described high pitch vibration component by the leak holes being positioned at described lid front.
2. bi-directional mini loud speaker according to claim 1, is characterized in that: described bi-directional mini loud speaker is loop configuration.
3. bi-directional mini loud speaker according to claim 1, is characterized in that: the base portion that described lid comprises arcuation and the sidepiece extended to the direction of described high pitch vibration component from described base portion; Described leak holes is opened in the middle position of described base portion; Described gas-guiding structure vertically to be extended to the direction away from described high pitch vibration component by described leak holes and forms.
4. bi-directional mini loud speaker according to claim 1, is characterized in that: described frame comprises basal wall and from the parallel sidewall extended laterally of the openend of described basal wall; Sidepiece and the described frame of described lid are connected and fixed.
5. bi-directional mini loud speaker according to claim 4, is characterized in that: described frame basal wall is provided with projection; On described lid sidepiece, the position of corresponding described projection is provided with the groove matched; Described projection and described groove fit are fixed.
6. bi-directional mini loud speaker according to claim 1, is characterized in that: the corresponding low frequency of described bass vibration component; The corresponding high frequency of described high pitch vibration component; The surrounding of described HFS seals by described lid.
7. bi-directional mini loud speaker according to claim 1, is characterized in that: described magnetic circuit assembly comprises magnet and is covered in the washer plate on described magnet; Described washer plate is the smooth and arc structure that is that swell gradually to center of surrounding; The edge of described washer plate extends near the direction of described magnet, wraps up described magnet; The center of described washer plate is recessed, and extends near the direction of described high pitch vibration component.
8. bi-directional mini loud speaker according to claim 1, is characterized in that: described bass vibration component comprises bass voice coil loudspeaker voice coil and bass vibrating diaphragm; Described high pitch vibration component comprises described high pitch voice coil loudspeaker voice coil and described tweeters diaphragms; Described high pitch voice coil loudspeaker voice coil is positioned at the inner side of the magnet of described magnetic circuit assembly, and described bass voice coil loudspeaker voice coil is positioned at the outside of the magnet of described magnetic circuit assembly.
9. bi-directional mini loud speaker according to claim 8, is characterized in that: form the first magnetic gap between described magnet and frame; Described bass voice coil loudspeaker voice coil is suspended in described first magnetic gap; The extension of described magnet and washer plate forms the second magnetic gap; Described high pitch voice coil loudspeaker voice coil is suspended in described second magnetic gap.
10. bi-directional mini loud speaker according to claim 1, is characterized in that: the sidewall of described frame is combined with the conducting wire plate for connecting peripheral circuits; Described frame sidewall is provided with acoustic aperture; Described acoustic aperture has been sticked screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797525.2U CN205040024U (en) | 2015-10-15 | 2015-10-15 | Two -way miniature speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797525.2U CN205040024U (en) | 2015-10-15 | 2015-10-15 | Two -way miniature speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205040024U true CN205040024U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520797525.2U Active CN205040024U (en) | 2015-10-15 | 2015-10-15 | Two -way miniature speaker |
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| CN (1) | CN205040024U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| CN107231591A (en) * | 2017-07-17 | 2017-10-03 | 佛山市川东磁电股份有限公司 | A kind of single action magnet double electromagnetic switch |
| CN109982218A (en) * | 2019-04-01 | 2019-07-05 | 深圳市信维声学科技有限公司 | A kind of Bidirectional sounding loudspeaker |
| WO2022170972A1 (en) * | 2021-02-10 | 2022-08-18 | Oppo广东移动通信有限公司 | Hybrid speaker and audio reproduction device |
-
2015
- 2015-10-15 CN CN201520797525.2U patent/CN205040024U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| CN107231591A (en) * | 2017-07-17 | 2017-10-03 | 佛山市川东磁电股份有限公司 | A kind of single action magnet double electromagnetic switch |
| CN109982218A (en) * | 2019-04-01 | 2019-07-05 | 深圳市信维声学科技有限公司 | A kind of Bidirectional sounding loudspeaker |
| WO2022170972A1 (en) * | 2021-02-10 | 2022-08-18 | Oppo广东移动通信有限公司 | Hybrid speaker and audio reproduction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |