CN204069326U - Inverted phase type excitation loudspeaker enclosure - Google Patents
Inverted phase type excitation loudspeaker enclosure Download PDFInfo
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- CN204069326U CN204069326U CN201420417688.9U CN201420417688U CN204069326U CN 204069326 U CN204069326 U CN 204069326U CN 201420417688 U CN201420417688 U CN 201420417688U CN 204069326 U CN204069326 U CN 204069326U
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- voice coil
- loudspeaker
- phonocatheter
- excitation source
- casing
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Abstract
The utility model relates to inverted phase type multipoint excitation source loudspeaker enclosure, comprise casing and multipoint excitation source, described multipoint excitation source comprises multiple loudspeaker unit, it is characterized in that: casing is prolate shape, the length direction of casing front panel is provided with multiple loud speaker installing hole, multiple loudspeaker unit is arranged in loud speaker installing hole correspondingly; The inwall of cabinet rear panel is provided with multiple dividing plate perpendicular to cabinet rear panel, and the latter half of cabinets cavity is divided into several branch's back cavities by multiple dividing plate, and several branch's back cavities are interconnected by the space at dividing plate top; Casing rear portion is provided with phonocatheter, and phonocatheter is arranged along the length direction of casing, and phonocatheter one end is run through multiple dividing plate and is connected with one of them branch's back cavity, and the phonocatheter other end is connected with casing outside.The utility model structure is ingenious, while not increasing loudspeaker unit quantity, can ensure sound pressure level and the tonequality of whole system, thus guarantee that product structure meets the requirement of panel TV.
Description
Technical field
The utility model relates to a kind of loudspeaker enclosure, and specifically a kind of inverted phase type excitation loudspeaker enclosure being suitable for that television set uses, belongs to electroacoustic techniques field.
Background technology
In prior art, panel TV product applies single loudspeaker unit usually, and shortcoming is that maximum sound pressure level is low, distortion is large, tonequality is undesirable; And when adopting multiple loudspeaker unit to form loudspeaker enclosure, although can improve maximum sound pressure level and tonequality, because multiple loudspeaker unit number increases, cause structure to become thickening greatly, and cost increases.The installation space leaving loud speaker due to panel TV products such as LED for is more and more thinner, more and more less, requires that the loudspeaker enclosure of panel TV is small and exquisite as far as possible, and also lower as far as possible to the cost requirement of loudspeaker enclosure, but tonequality is high as far as possible.Therefore, traditional single loudspeaker unit, and the mode of multiple loudspeaker unit composition loudspeaker enclosure is inapplicable on panel TV.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of inverted phase type excitation loudspeaker enclosure is provided, its structure is ingenious, while not increasing loudspeaker unit quantity, sound pressure level and the tonequality of whole system can be ensured, thus guarantee that product structure meets the requirement of panel TV.
Technical scheme according to the utility model provides: inverted phase type multipoint excitation source loudspeaker enclosure, comprise casing and multipoint excitation source, described multipoint excitation source comprises multiple loudspeaker unit, it is characterized in that: described casing is prolate shape, the length direction of casing front panel is provided with multiple loud speaker installing hole, multiple loudspeaker unit is arranged in loud speaker installing hole correspondingly; The inwall of described cabinet rear panel is provided with multiple dividing plate perpendicular to cabinet rear panel, and the latter half of cabinets cavity is divided into several branch's back cavities by described multiple dividing plates, and several described branch's back cavities are interconnected by the space at dividing plate top; Described casing rear portion is provided with phonocatheter, and described phonocatheter is arranged along the length direction of casing, and phonocatheter one end is run through multiple dividing plate and is connected with one of them branch's back cavity, and the phonocatheter other end is connected with casing outside.
As further improvement of the utility model, described casing primarily of front cavity and rear chamber composition, described loud speaker installing hole is opened on front cavity, and described dividing plate is arranged on the inwall of rear chamber, described phonocatheter and rear chamber one-body molded.
As further improvement of the utility model, described each loudspeaker unit comprises U-shaped conductive magnetic yoke, locating branch slice, voice coil loudspeaker voice coil, magnetic structure and sound basin respectively, described U-shaped conductive magnetic yoke is arranged in loud speaker installing hole, magnetic structure to be arranged in U-shaped conductive magnetic yoke and with U-shaped conductive magnetic yoke bottom combine closely; Described voice coil loudspeaker voice coil lower end to be arranged in U-shaped conductive magnetic yoke and to be looped around magnetic structure periphery, and voice-coil inwall and magnetic structure outer wall leave space, and voice coil loudspeaker voice coil outer wall and U-shaped conductive magnetic yoke inwall leave space; Described locating branch slice is arranged on voice coil loudspeaker voice coil periphery, and locating branch slice inwall and voice coil loudspeaker voice coil outer wall are combined closely, and locating branch slice outer wall and loud speaker installing hole inwall are combined closely; Described sound basin is arranged on directly over U-shaped conductive magnetic yoke, and the outer of sound basin is connected on casing front panel, and voice coil loudspeaker voice coil upper end penetrates the taper basin mesopore of sound basin, and the taper basin mesopore inwall of voice coil loudspeaker voice coil outer wall and sound basin is combined closely.
As further improvement of the utility model, multiple loudspeaker units in described multipoint excitation source share same sound basin, described sound basin is microscler, and one-body molded on sound basin have multiple taper basin mesopore, described multiple taper basin mesopore and multiple loudspeaker unit one_to_one corresponding.
As further improvement of the utility model, the top of described voice coil loudspeaker voice coil is provided with dust cap.
As further improvement of the utility model, described multipoint excitation source comprises two loudspeaker units, the length direction of casing front panel is provided with two loud speaker installing holes, and two loudspeaker units are arranged in two loud speaker installing holes respectively; The inwall of described cabinet rear panel is provided with five dividing plates perpendicular to cabinet rear panel, and the latter half of cabinets cavity is divided into six branch's back cavities by five described dividing plates, and described phonocatheter one end is run through three dividing plates and is connected with one of them branch's back cavity.
As further improvement of the utility model, the overhead height of described dividing plate is consistent, and with the plane at all dividing plate tops for boundary, in several described branch's back cavities, the volume of the branch's back cavity be communicated with phonocatheter is greater than the volume of all the other branch's back cavities.
As further improvement of the utility model, described rear chamber, front cavity and phonocatheter adopt same material to make.
As further improvement of the utility model, described rear chamber, front cavity and phonocatheter adopt plastic material to make.
compared with prior art, advantage is the utility model:the utility model structure is rationally ingenious, multipoint excitation source is arranged on casing front panel in the mode the most easily realized by it, by arranging dividing plate and phonocatheter on cabinet rear panel inwall, form multiple relatively independent branch's back cavity be interconnected again, by the outside radiate low sound of phonocatheter, do not increase number of loudspeakers and do not increase audio amplifier cavity volume prerequisite under, enhance this loudspeaker enclosure and can bear power, there is tonequality good, the advantages such as compact structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the assembling schematic diagram of the utility model embodiment
Description of reference numerals: 1-front cavity, 1a-mounting groove, 2-rear chamber, 3-loudspeaker unit, 3a-U-shaped conductive magnetic yoke, 3b-locating branch slice, 3c-magnetic structure, 3d-voice coil loudspeaker voice coil, 3e-dust cap, 3f-sound basin, 4-dividing plate, 5-branch back cavity, 6-phonocatheter.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the inverted phase type multipoint excitation source loudspeaker enclosure in embodiment is primarily of compositions such as front cavity 1, rear chamber 2, loudspeaker unit 3, dividing plate 4 and phonocatheters 6.
As shown in Figure 1 and Figure 2, described front cavity 1 and rear chamber 2 form the casing of prolate shape, the length direction of front cavity 1 is provided with two loud speaker installing hole 1a, and two loudspeaker units 3 are arranged in two loud speaker installing hole 1a respectively, and two woofer unit 3 form multipoint excitation source.
As shown in Figure 1 and Figure 2, the inwall of described rear chamber 2 is provided with five dividing plates 4 perpendicular to rear chamber panel, the lumen segmentation of rear chamber 2 is become six branch's back cavities 5 by five described dividing plates 4, after front cavity 1 forms complete casing with rear chamber 2, six described branch's back cavities 5 are interconnected by the space at dividing plate 4 top; Described rear chamber 2 is provided with phonocatheter 6, and described phonocatheter 6 is arranged along the length direction of rear chamber 2, and phonocatheter 6 one end is run through three dividing plates 4 and is connected with one of them branch's back cavity 5, and phonocatheter 6 other end is connected with casing outside.
Further, the overhead height of described five dividing plates 4 is consistent, and with the plane at all dividing plate 4 tops for boundary, in six described branch's back cavities 5, the volume of the branch's back cavity 5 be communicated with phonocatheter 6 is greater than the volume of all the other branch's back cavities 5.In addition, described phonocatheter 6 is preferably one-body molded with rear chamber 2, can strengthen rigidity and the intensity of phonocatheter 6 and rear chamber 2 like this, reduce the vibration of phonocatheter 6 during speaker operation.
As shown in Figure 1 and Figure 2, described each loudspeaker unit 3 is all form primarily of U-shaped conductive magnetic yoke 3a, locating branch slice 3b, voice coil loudspeaker voice coil 3c, magnetic structure 3d, dust cap 3e and sound basin 3f, described U-shaped conductive magnetic yoke 3a is arranged in loud speaker installing hole 1a, magnetic structure 3d to be arranged in U-shaped conductive magnetic yoke 3a and with U-shaped conductive magnetic yoke 3a bottom combine closely, described magnetic structure 3d can adopt conventional magnetic structure 3d[of the prior art to comprise magnet and magnetic pole core]; Described voice coil loudspeaker voice coil 3c lower end is arranged in U-shaped conductive magnetic yoke 3a and to be looped around magnetic structure 3d peripheral, and voice coil loudspeaker voice coil 3c inwall and magnetic structure 3d outer wall leave space, and voice coil loudspeaker voice coil 3c outer wall and U-shaped conductive magnetic yoke 3a inwall leave space; It is peripheral that described locating branch slice 3b is arranged on voice coil loudspeaker voice coil 3c, and locating branch slice 3b inwall and voice coil loudspeaker voice coil 3c outer wall are combined closely, and locating branch slice 3b outer wall and loud speaker installing hole 1a inwall are combined closely; Described sound basin 3f is arranged on directly over U-shaped conductive magnetic yoke 3a, the outer of sound basin 3f is connected on casing front panel, voice coil loudspeaker voice coil 3c upper end penetrates the taper basin mesopore of sound basin 3f, and the taper basin mesopore inwall of voice coil loudspeaker voice coil 3c outer wall and sound basin 3f is combined closely, and the top of described voice coil loudspeaker voice coil 3c is provided with dust cap 3e.
As shown in Figure 1 and Figure 2, in the utility model embodiment, two loudspeaker units 3 in described multipoint excitation source share same sound basin 3f, described sound basin 3f is microscler, one-body molded on sound basin 3f have two taper basin mesopores, two described taper basin mesopores and two loudspeaker unit 3 one_to_one corresponding.
In the utility model, described rear chamber 2, front cavity 1 and phonocatheter 6 adopt same material to make, and preferably adopt plastic material to make.
Claims (9)
1. inverted phase type multipoint excitation source loudspeaker enclosure, comprise casing and multipoint excitation source, described multipoint excitation source comprises multiple loudspeaker unit (3), it is characterized in that: described casing is prolate shape, the length direction of casing front panel is provided with multiple loud speaker installing hole (1a), multiple loudspeaker unit (3) is arranged in loud speaker installing hole (1a) correspondingly; The inwall of described cabinet rear panel is provided with multiple dividing plate perpendicular to cabinet rear panel (4), the latter half of cabinets cavity is divided into several branch's back cavities (5) by described multiple dividing plates (4), and several described branch's back cavities (5) are interconnected by the space at dividing plate (4) top; Described casing rear portion is provided with phonocatheter (6), and described phonocatheter (6) is arranged along the length direction of casing, and phonocatheter (6) one end is run through multiple dividing plate (4) and is connected with one of them branch's back cavity (5), and phonocatheter (6) other end is connected with casing outside.
2. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 1, it is characterized in that: described casing is primarily of front cavity (1) and rear chamber (2) composition, described loud speaker installing hole (1a) is opened on front cavity (1), described dividing plate (4) is arranged on the inwall of rear chamber (2), and described phonocatheter (6) is one-body molded with rear chamber (2).
3. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 1, it is characterized in that: described each loudspeaker unit (3) comprises U-shaped conductive magnetic yoke (3a), locating branch slice (3b), voice coil loudspeaker voice coil (3c), magnetic structure (3d) and sound basin (3f) respectively, described U-shaped conductive magnetic yoke (3a) is arranged in loud speaker installing hole (1a), and magnetic structure (3d) to be arranged in U-shaped conductive magnetic yoke (3a) and to combine closely with U-shaped conductive magnetic yoke (3a) bottom; Described voice coil loudspeaker voice coil (3c) lower end is arranged in U-shaped conductive magnetic yoke (3a) and to be looped around magnetic structure (3d) peripheral, and voice coil loudspeaker voice coil (3c) inwall and magnetic structure (3d) outer wall leave space, and voice coil loudspeaker voice coil (3c) outer wall and U-shaped conductive magnetic yoke (3a) inwall leave space; It is peripheral that described locating branch slice (3b) is arranged on voice coil loudspeaker voice coil (3c), and locating branch slice (3b) inwall and voice coil loudspeaker voice coil (3c) outer wall are combined closely, and locating branch slice (3b) outer wall and loud speaker installing hole (1a) inwall are combined closely; Described sound basin (3f) is arranged on directly over U-shaped conductive magnetic yoke (3a), the outer of sound basin (3f) is connected on casing front panel, voice coil loudspeaker voice coil (3c) upper end penetrates the taper basin mesopore of sound basin (3f), and the taper basin mesopore inwall of voice coil loudspeaker voice coil (3c) outer wall and sound basin (3f) is combined closely.
4. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 3, it is characterized in that: the multiple loudspeaker units (3) in described multipoint excitation source share same sound basin (3f), described sound basin (3f) is for microscler, sound basin (3f) is above one-body molded has multiple taper basin mesopore, described multiple taper basin mesopore and multiple loudspeaker unit (3) one_to_one corresponding.
5. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 3, is characterized in that: the top of described voice coil loudspeaker voice coil (3c) is provided with dust cap (3e).
6. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 1, it is characterized in that: described multipoint excitation source comprises two loudspeaker units (3), the length direction of casing front panel is provided with two loud speaker installing holes (1a), two loudspeaker units (3) are arranged in two loud speaker installing holes (1a) respectively; The inwall of described cabinet rear panel is provided with five dividing plates perpendicular to cabinet rear panel (4), the latter half of cabinets cavity is divided into six branch's back cavities (5) by five described dividing plates (4), and described phonocatheter (6) one end is run through three dividing plates (4) and is connected with one of them branch's back cavity (5).
7. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 1, it is characterized in that: the overhead height of described dividing plate (4) is consistent, with the plane at all dividing plates (4) top for boundary, in several described branch's back cavities (5), the volume of the branch's back cavity (5) be communicated with phonocatheter (6) is greater than the volume of all the other branch's back cavities (5).
8. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 2, is characterized in that: described rear chamber (2), front cavity (1) and phonocatheter (6) adopt same material to make.
9. inverted phase type multipoint excitation source loudspeaker enclosure as claimed in claim 8, is characterized in that: described rear chamber (2), front cavity (1) and phonocatheter (6) adopt plastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417688.9U CN204069326U (en) | 2014-07-25 | 2014-07-25 | Inverted phase type excitation loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417688.9U CN204069326U (en) | 2014-07-25 | 2014-07-25 | Inverted phase type excitation loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069326U true CN204069326U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417688.9U Active CN204069326U (en) | 2014-07-25 | 2014-07-25 | Inverted phase type excitation loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204069326U (en) |
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2014
- 2014-07-25 CN CN201420417688.9U patent/CN204069326U/en active Active
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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 | ||
| CP03 | Change of name, title or address |
Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |