CN202652517U - Bidirectional horn loudspeaker - Google Patents
Bidirectional horn loudspeaker Download PDFInfo
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- CN202652517U CN202652517U CN 201220151107 CN201220151107U CN202652517U CN 202652517 U CN202652517 U CN 202652517U CN 201220151107 CN201220151107 CN 201220151107 CN 201220151107 U CN201220151107 U CN 201220151107U CN 202652517 U CN202652517 U CN 202652517U
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- horn
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- loudspeaker
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Abstract
The utility model discloses a bidirectional horn loudspeaker, belonging to the loudspeaker field. The bidirectional coaxial horn loudspeaker of the utility model adopts a magnetic circuit system and a vibrating system which share one driving unit. Reciprocating vacuum caused by a diaphragm is converted into acoustic energy, significantly improving the electro-acoustic conversion efficiency and the energy-saving and material-saving effects of the loudspeaker. Heat radiation of the driving unit is greatly improved, so that the damage probability of a voice coil, which is a key component having influence on reliability of the loudspeaker, is reduced, therefore prolonging the service lifetime of the loudspeaker, achieving a decrease in use cost of the loudspeaker, making the loudspeaker convenient to use and saving a lot of electric energy and raw material resources.
Description
Technical field
The utility model relates to the loud speaker field, specifically relates to a kind of bidirectional horn loudspeaker.
Background technology
The horn speaker that uses at present all is that a driver element (being commonly called as drive unit) connects (or one a group) horn, to a direction radiative acoustic wave, indivedual situations to the different directions radiation are also arranged, but driver element only has a radiation port, because the vibrating diaphragm of driver element is in the bidirectional radiation state under electrodynamic driving, the one direction radiation has in fact only utilized a part of acoustic energy that is converted by electricity, its complementary energy then is converted into useless mechanical energy and heat energy in inside, unit, so electro-acoustic conversion efficiency reaches far away due level.For a long time, people to the research emphasis of loud speaker always in the system of cone loudspeaker and composition thereof, such as various audio amplifiers, by the use of new material, new technology, constantly promote the tonequality level of acoustical reproduction, and the research and development of horn speaker is in negligible status always.
Chinese patent 201110091715.9 discloses a kind of loud speaker of coaxial two-direction transmission, comprise housing, in housing, be provided with magnet, magnet pole plate and voice coil loudspeaker voice coil, voice coil loudspeaker voice coil links to each other with the first cone, on described housing, a side symmetrical with the first cone is provided with the second cone, is connected with thin cylinder between the first cone and the second cone, also is provided with enhancing magnet on the magnet pole plate.
But the loud speaker of this kind structure adopts the dual cone structure to cause the raising of cost, installation cost and maintenance cost, and the connection of the thin cylinder of both sides increased the vibrations resistance, and tonequality is also had harmful effect.
Summary of the invention
Technical purpose of the present utility model is the shortcoming that will overcome prior art, and a kind of bidirectional horn loudspeaker of energy-efficient material saving is provided.
The technical scheme that the utility model adopts is:
A kind of bidirectional horn loudspeaker, comprise that the center is formed with the connecting plate of through hole, coaxial front horn and the rear horn that the connecting plate both sides oppositely are set respectively, be provided with drive unit in horn junction, described front and back, wherein, described drive unit comprises the rear operculum laryngis that is fixedly connected with described connecting plate, locates to be formed with the structure of falling the convex shape of through hole centered by the described rear operculum laryngis; With the front operculum laryngis that described front horn is fixedly connected with, described front operculum laryngis is the back taper basin body structure, and its end face place is formed with through hole; Be fixedly connected on the described front operculum laryngis end face outside and with taper that its through hole is connected before sound guide tube, described front sound guide tube stops before extending to front-reflection horn inside top surface, and magnetic circuit system and vibrational system in the cavity that operculum laryngis limited to before and after being arranged on; Be provided with adapter sleeve in the described rear horn, sound guide tube and back reflection horn after the taper, wherein said adapter sleeve center is formed with the through hole corresponding with described magnetic conduction lower plate central through hole, described adapter sleeve is inner to be connected with the magnetic conduction lower plate is chimeric, the outer end is fixedly connected with rear sound guide tube and is communicated with it, and described rear sound guide tube is arranged in the back reflection horn and extends to the front termination of back reflection horn inside top surface.
Preferably, described magnetic circuit system comprises and being fixedly connected with described rear operculum laryngis and the center is formed with magnetic conduction lower plate with the corresponding through hole of rear operculum laryngis through hole; Be fixedly installed on the annular magnet of front side, magnetic conduction lower plate center; Be fixedly installed on the magnetic conduction core of annular magnet center, wherein said magnetic conduction core is fixedly connected with the magnetic conduction lower plate and is formed with cavity at itself and center, is formed with the through hole corresponding with the through hole of magnetic conduction lower plate in described cavity center; The center that is fixedly connected on magnet top is formed with the magnetic conduction upper plate of through hole, consists of magnetic gap between the through hole of described magnetic conduction upper plate and the magnetic conduction core lateral wall.
Preferably, described vibrational system comprises sound film group, be separately positioned on front throat taps and rear throat taps that sound film group both sides, front and back and interval arrange, described sound film group comprises concave spherical surface formula vibrating diaphragm and voice coil loudspeaker voice coil, described front operculum laryngis is the conical structure that the bottom surface is protruding dome shape, described rear throat taps is arranged on the truncated cone-shaped structure in the cavity of magnetic conduction core, its with the vibrating diaphragm opposite face for concave ball shape face structure corresponding to vibrating diaphragm also therein heart place be formed with the through hole corresponding with magnetic conduction core through hole.
Preferably, the through hole at described rear throat taps, magnetic conduction core, magnetic conduction lower plate, rear operculum laryngis and adapter sleeve center is arranged on the same axis and is communicated with successively and consists of a slightly tapered passage.
Preferably, described annular magnet is that Ferrite Material is made.
Bidirectional coaxial horn speaker of the present utility model, adopt a drive unit to share magnetic circuit system and vibrational system, the reciprocal vibrations of vibrating diaphragm all are converted to acoustic energy, increased substantially loud speaker electro-acoustic conversion efficiency, energy-conservation, material-saving is remarkably productive, the heating situation of driver element is greatly improved, therefore the damage probability that affects the critical component-voice coil loudspeaker voice coil of loud speaker reliability reduces, improve useful life, the reduction use cost, easy to use of loud speaker, saved a large amount of electric energy and raw material resources.Simultaneously, utilizing the passage of reserving is rear horn transmission sound, the acoustics of horn after improving.Utilize Ferrite Material to make magnet and adopt, can further reduce cost.
Description of drawings
Figure 1 shows that bidirectional horn loudspeaker assembling attitude schematic cross-section of the present utility model;
Figure 2 shows that the driving device structure schematic cross-section of the utility model bidirectional horn;
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1, 2, bidirectional horn loudspeaker of the present utility model comprises that the center is formed with the connecting plate 30 of through hole, coaxial front horn 10 and the rear horn 20 that the connecting plate both sides oppositely are set respectively, and front-reflection horn 11 and the back reflection horn 21 in the horn before and after being fixedly installed on respectively.Be provided with drive unit in horn junction, described front and back, wherein, described drive unit comprises the rear operculum laryngis 9 that is fixedly connected with described connecting plate 30, locates to be formed with the structure of falling the convex shape of through hole centered by the described rear operculum laryngis 9; With the front operculum laryngis 5 that described front horn is fixedly connected with, described front operculum laryngis is the back taper basin body structure, and its end face place is formed with through hole; Be fixedly connected on the described front operculum laryngis 5 end faces outside and with taper that its through hole is connected before sound guide tube 12, described front sound guide tube stops before extending to front-reflection horn inside top surface, and magnetic circuit system and vibrational system in the cavity that operculum laryngis limited to before and after being arranged on.
Wherein, described magnetic circuit system comprises and being fixedly connected with described rear operculum laryngis 9 and the center is formed with magnetic conduction lower plate 8 with the corresponding through hole of rear operculum laryngis through hole; Be fixedly installed on the annular magnet 7 of front side, magnetic conduction lower plate center; Be fixedly installed on the magnetic conduction core 4 of annular magnet center, wherein said magnetic conduction core 4 is fixedly connected with magnetic conduction lower plate 8 and is formed with cavity at itself and center, is formed with the through hole corresponding with the through hole of magnetic conduction lower plate in described cavity center; The center that is fixedly connected on magnet top is formed with the magnetic conduction upper plate 6 of through hole, consists of magnetic gap between the through hole of described magnetic conduction upper plate 6 and the magnetic conduction core lateral wall.
Described vibrational system comprises sound film group 2, be separately positioned on front throat taps 1 and rear throat taps 3 that sound film group both sides, 2 front and back and interval arrange, described sound film group comprises concave spherical surface formula vibrating diaphragm and voice coil loudspeaker voice coil etc., it can be in when energising up-down vibration in magnetic gap, described front throat taps is fixedly connected with described front operculum laryngis 5 and between remains with passage, described front operculum laryngis 5 is the conical structure of protruding dome shape for the bottom surface, described rear throat taps 3 is arranged on the truncated cone-shaped structure in the cavity of magnetic conduction core, its with the vibrating diaphragm opposite face for concave ball shape face structure corresponding to vibrating diaphragm also therein heart place be formed with the through hole corresponding with magnetic conduction core through hole.
Be provided with adapter sleeve 23 in the described rear horn 20, sound guide tube 22 and back reflection horn 21 after the taper, described adapter sleeve center is formed with the through hole corresponding with described magnetic conduction lower plate central through hole, described adapter sleeve is inner to be connected with the magnetic conduction lower plate is chimeric, the outer end is fixedly connected with rear sound guide tube and is communicated with it, and described rear sound guide tube is arranged in the back reflection horn and extends to the front termination of back reflection horn inside top surface.
Wherein, rear throat taps 3, magnetic conduction core 4, magnetic conduction lower plate 8, rear operculum laryngis 9 are that the through hole at adapter sleeve 23 centers is arranged on the same axis and slightly tapered passage of successively connection formation, described passage is sent to sound the synchronous generation of realization back reflection horn in the back reflection horn when vibrating diaphragm vibrates, in each parts, reserve central through hole, reserve enough passages to transfer voice, the sound of horn was thought after improving.Simultaneously, the vacuum of described vibrating diaphragm enters in the front emission horn through behind front throat taps, front operculum laryngis and the front sound guide tube, the sounding of emission horn before realizing.
Be about to the coaxial reverse setting of former and later two horns, both are by a driver element, and forward and backward radiation horn shares a magnetic circuit system and vibrational system.
In sum, bidirectional coaxial horn speaker of the present utility model, adopt a drive unit to share magnetic circuit system and vibrational system, the reciprocal vibrations of vibrating diaphragm all are converted to acoustic energy, increased substantially loud speaker electro-acoustic conversion efficiency, energy-conservation, material-saving is remarkably productive, the heating situation of driver element is greatly improved, therefore the damage probability that affects the critical component-voice coil loudspeaker voice coil of loud speaker reliability reduces, improve useful life, the reduction use cost, easy to use of loud speaker, saved a large amount of electric energy and raw material resources.Simultaneously, utilizing the passage of reserving is rear horn transmission sound, the acoustics of horn after improving.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. bidirectional horn loudspeaker, it is characterized in that: comprise that the center is formed with the connecting plate of through hole, coaxial front horn and the rear horn that the connecting plate both sides oppositely are set respectively, be provided with drive unit in horn junction, described front and back, wherein, described drive unit comprises the rear operculum laryngis that is fixedly connected with described connecting plate, locates to be formed with the structure of falling the convex shape of through hole centered by the described rear operculum laryngis; With the front operculum laryngis that described front horn is fixedly connected with, described front operculum laryngis is the back taper basin body structure, and its end face place is formed with through hole; Be fixedly connected on the described front operculum laryngis end face outside and with taper that its through hole is connected before sound guide tube, described front sound guide tube stops before extending to front-reflection horn inside top surface, and magnetic circuit system and vibrational system in the cavity that operculum laryngis limited to before and after being arranged on; Be provided with adapter sleeve in the described rear horn, sound guide tube and back reflection horn after the taper, wherein said adapter sleeve center is formed with the through hole corresponding with described magnetic conduction lower plate central through hole, described adapter sleeve is inner to be connected with the magnetic conduction lower plate is chimeric, the outer end is fixedly connected with rear sound guide tube and is communicated with it, and described rear sound guide tube is arranged in the back reflection horn and extends to the front termination of back reflection horn inside top surface.
2. bidirectional horn loudspeaker as claimed in claim 1 is characterized in that: described magnetic circuit system comprises and being fixedly connected with described rear operculum laryngis and the center is formed with magnetic conduction lower plate with the corresponding through hole of rear operculum laryngis through hole; Be fixedly installed on the annular magnet of front side, magnetic conduction lower plate center; Be fixedly installed on the magnetic conduction core of annular magnet center, wherein said magnetic conduction core is fixedly connected with the magnetic conduction lower plate and is formed with cavity at itself and center, is formed with the through hole corresponding with the through hole of magnetic conduction lower plate in described cavity center; The center that is fixedly connected on magnet top is formed with the magnetic conduction upper plate of through hole, consists of magnetic gap between the through hole of described magnetic conduction upper plate and the magnetic conduction core lateral wall.
3. bidirectional horn loudspeaker as claimed in claim 1 or 2, it is characterized in that: described vibrational system comprises sound film group, be separately positioned on front throat taps and rear throat taps that sound film group both sides, front and back and interval arrange, described sound film group comprises concave spherical surface formula vibrating diaphragm and voice coil loudspeaker voice coil, described front operculum laryngis is the conical structure that the bottom surface is protruding dome shape, described rear throat taps is arranged on the truncated cone-shaped structure in the cavity of magnetic conduction core, its with the vibrating diaphragm opposite face for concave ball shape face structure corresponding to vibrating diaphragm also therein heart place be formed with the through hole corresponding with magnetic conduction core through hole.
4. bidirectional horn loudspeaker as claimed in claim 3 is characterized in that: the through hole at described rear throat taps, described magnetic conduction core, described magnetic conduction lower plate, described rear operculum laryngis and described adapter sleeve center is arranged on the same axis and is communicated with successively and consists of a slightly tapered passage.
5. bidirectional horn loudspeaker as claimed in claim 2, it is characterized in that: described annular magnet is that Ferrite Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220151107 CN202652517U (en) | 2012-04-11 | 2012-04-11 | Bidirectional horn loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220151107 CN202652517U (en) | 2012-04-11 | 2012-04-11 | Bidirectional horn loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652517U true CN202652517U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220151107 Expired - Fee Related CN202652517U (en) | 2012-04-11 | 2012-04-11 | Bidirectional horn loudspeaker |
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| Country | Link |
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| CN (1) | CN202652517U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378717A (en) * | 2014-10-30 | 2015-02-25 | 歌尔声学股份有限公司 | High pitch loudspeaker and method for achieving omnidirectional high pitch sound field |
| CN108632727A (en) * | 2018-06-25 | 2018-10-09 | 歌尔股份有限公司 | Portable terminal |
| CN113490087A (en) * | 2021-07-30 | 2021-10-08 | 歌尔科技有限公司 | Loudspeaker system and sound box |
-
2012
- 2012-04-11 CN CN 201220151107 patent/CN202652517U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378717A (en) * | 2014-10-30 | 2015-02-25 | 歌尔声学股份有限公司 | High pitch loudspeaker and method for achieving omnidirectional high pitch sound field |
| CN104378717B (en) * | 2014-10-30 | 2016-09-28 | 歌尔股份有限公司 | A kind of high pitch loudspeaker and a kind of realize all referring to the method to high pitch sound field |
| CN108632727A (en) * | 2018-06-25 | 2018-10-09 | 歌尔股份有限公司 | Portable terminal |
| CN113490087A (en) * | 2021-07-30 | 2021-10-08 | 歌尔科技有限公司 | Loudspeaker system and sound box |
| CN113490087B (en) * | 2021-07-30 | 2022-10-18 | 歌尔科技有限公司 | Loudspeaker system and sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150411 |
|
| EXPY | Termination of patent right or utility model |