CN204929202U - Slim audio amplifier based on make -up formula passive radiator - Google Patents
Slim audio amplifier based on make -up formula passive radiator Download PDFInfo
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- CN204929202U CN204929202U CN201520623751.9U CN201520623751U CN204929202U CN 204929202 U CN204929202 U CN 204929202U CN 201520623751 U CN201520623751 U CN 201520623751U CN 204929202 U CN204929202 U CN 204929202U
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- casing
- band ring
- high pitch
- sound basin
- loudspeaker unit
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Abstract
The utility model relates to a slim audio amplifier based on make -up formula passive radiator. Including flat microscler box, the box top is offered along the high pitch loudspeaker mounting hole and the well woofer mounting hole of the distribution of box length direction, installation high pitch loudspeaker unit in the high pitch loudspeaker mounting hole, bass loudspeaker unit in the installation in the well woofer mounting hole, there is the passive radiator unit on well bass loudspeaker unit right side through the radiation support mounting, and the the central axis of passive radiator unit and high pitch loudspeaker unit and well bass loudspeaker unit's the central axis are parallel to each other, the radiation support has two 180 degrees symmetrical arrangement's sound outlet, and two sound outlet are equipped with respectively on the side around the box and adjust communicating sound hole well with sound outlet respectively towards the front and back side of box. The utility model discloses the shortcoming that the transient stability nature of hanging down is weak, cutoff frequency is high, total lossess ql value is big can be improved again to the advantage of existing passive radiator audio amplifier, makes the audio amplifier reach good sound effect.
Description
Technical field
The utility model relates to a kind of loudspeaker acoustic enclosure, and specifically a kind of thin type speaker based on button type passive radiator being suitable for that the audio-visual entertainment equipment such as panel TV set, notebook computer uses, belongs to electroacoustic techniques field.
Background technology
In prior art, be applied to the audio amplifier on OLED television set, ultrathin notebook PC, due to slimming and the miniaturization of structure, can only adopt loudspeaker unit radiation sound that is small-bore, short stroke, cause the low frequency differences of whole audio system, sound press is low; As improvement, usually adopting the structure of opening audio amplifier, improving LF-response characteristic by arranging phase-reversing tube, but sound coloration in paraphase pipeline, phase guide tube resonance can be brought, and all sound defects such as the internal high frequency sound that reflects of wind noise and phase-reversing tube.And adopt passive radiator, can solve the defect of a part of above-mentioned phase-reversing tube design, but the frequency response curve that there is passive radiator audio amplifier is precipitous in the initial segment, slightly more weak than phase-reversing tube opening box transient stability, cut-off frequency is higher, and total losses Ql value is larger.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, thin type speaker based on button type passive radiator is provided, its structure is ingenious, compact and reasonable, both there is the advantage of passive radiator audio amplifier, passive radiator audio amplifier can be improved again to hang down the shortcoming that transient stability is weak, cut-off frequency is high, total losses Ql value is large, make audio amplifier at radiation sound, the sound effect that particularly can reach during radiate low sound.
Technical scheme according to the utility model provides: based on the thin type speaker of button type passive radiator, comprise casing, it is characterized in that: described casing is prolate shape, casing top offers the high pitch loudspeaker installing hole and medium and low spectrum loudspeaker installing hole that distribute along casing length direction, described high pitch loudspeaker mounting hole site is in casing left end, medium and low spectrum loudspeaker mounting hole site is in the middle part of casing, high pitch loudspeaker unit is installed in high pitch loudspeaker installing hole, medium and low spectrum loudspeaker unit is installed in medium and low spectrum loudspeaker installing hole, the central axis of described high pitch loudspeaker unit and medium and low spectrum loudspeaker unit is parallel to each other, their acoustic radiating direction is directly over casing, a parasitic elements is provided with in described casing, described parasitic elements is positioned on the right side of medium and low spectrum loudspeaker unit, the central axis of parasitic elements and the central axis of high pitch loudspeaker unit and medium and low spectrum loudspeaker unit are parallel to each other, and the central axis of parasitic elements, high pitch loudspeaker unit and medium and low spectrum loudspeaker unit is all positioned at the centre position of casing Width, described parasitic elements passes through radiator support installing in casing, described radiator support has two 180 degree of sound mouths be arranged symmetrically with, and two of radiator support sound mouths are respectively towards the front and back sides of casing, the front and back sides of casing is respectively equipped with and aligns with described sound mouth the sender communicated, passive radiator by two sound mouths to the front of casing and rear conduct radiation sound.
As further improvement of the utility model, described casing comprises upper casing and lower casing, and upper casing and lower casing are combined closely; High pitch loudspeaker installing hole and medium and low spectrum loudspeaker installing hole are offered in described upper casing top; The front and back sides of described upper casing all offers first sender, the front and back sides of described lower casing all offers second sender, upper casing and lower casing to spell form casing time, two first senders and two second senders form two complete senders.
As further improvement of the utility model, described parasitic elements comprises the empty sound basin of band ring, the empty sound basin of lower band ring, uploads heavy parts and download heavy parts; The empty sound basin of described upper band ring is arranged on the top of radiator support, the empty edge of sound basin of upper band ring and the top sides of radiator support are along combining closely, the centre of the empty sound basin of upper band ring is unsettled, described in upload heavy parts outer edge combine closely with the centre bore edge of upper band ring sky sound basin; The empty sound basin of described lower band ring is arranged on the bottom of radiator support, the empty edge of sound basin of lower band ring and the bottom sides of radiator support are along combining closely, the centre of the empty sound basin of lower band ring is unsettled, combines closely in the centre bore edge of the outer edge of described download heavy parts and the empty sound basin of upper band ring; The empty sound basin of described upper band ring and the empty sound basin of lower band ring, to upload heavy parts all identical with the physical dimension downloading heavy parts, in upper and lower specular setting in radiator support.
As further improvement of the utility model, the ring structure in the empty sound basin of described upper band ring is to lower convexity, and in the empty sound basin of described lower band ring, ring structure raises up.
As further improvement of the utility model, described upper casing, lower casing and radiator support adopt plastic material to make.
As further improvement of the utility model, described in upload heavy parts and download heavy parts all adopt metal material to make.
As further improvement of the utility model, described in upload heavy parts and download heavy parts all adopt aluminium to make.
compared with prior art, advantage is the utility model:
(1) ingenious, the compact and reasonable of the utility model structure, there is high pitch loudspeaker unit, medium and low spectrum loudspeaker unit and parasitic elements simultaneously, simultaneously to casing both sides radiate low sound, the swept area of the loudspeaker unit of whole sound box system can be added when parasitic elements is moved by the empty sound basin of medium and low spectrum loudspeaker unit drives air push two.
(2) the empty sound basin of upper band ring in the utility model parasitic elements and the empty sound basin of lower band ring are that upper and lower specular is arranged, while improving low frequency, also improve transient stability, reduce total losses Ql value, under making little at volume, that thickness is thin loudspeaker box structure, realize that distortion is little, low frequency good, can bear the acoustic characteristic that power is large and high frequency performance is excellent.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the utility model preferred embodiment.
Fig. 2 is the decomposing schematic representation of the utility model preferred embodiment.
Fig. 3 is the schematic appearance of the utility model preferred embodiment.
Fig. 4 is the length direction profile of the utility model preferred embodiment along two loudspeaker unit central axis.
Fig. 5 is the Width profile of the utility model preferred embodiment along parasitic elements central axis.
Fig. 6 is the scheme of installation of the utility model preferred embodiment parasitic elements.
Description of reference numerals: be with the empty sound basin of ring under the empty sound basin of 1-upper casing, 1a-high pitch loudspeaker installing hole, 1b-medium and low spectrum loudspeaker installing hole, first sender of 1c-, 2-lower casing, second sender of 2c-, 3-high pitch loudspeaker unit, 4-medium and low spectrum loudspeaker unit, 5-parasitic elements, 5a-upper band ring, 5b-, 5c-uploads heavy parts, 5d-downloads heavy parts, 6-radiator support, 6-sound mouth, 7-sender.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 6, in embodiment based on the thin type speaker of button type passive radiator primarily of compositions such as casing, high pitch loudspeaker unit 3, medium and low spectrum loudspeaker unit 4, parasitic elements 5 and radiator supports 6, described casing is prolate shape, casing top offers the high pitch loudspeaker installing hole 1a and medium and low spectrum loudspeaker installing hole 1b that distribute along casing length direction, described high pitch loudspeaker installing hole 1a is positioned at casing left end, and medium and low spectrum loudspeaker installing hole 1b is positioned in the middle part of casing; Described high pitch loudspeaker unit 3 is arranged in high pitch loudspeaker installing hole 1a, described medium and low spectrum loudspeaker unit 4 is arranged in medium and low spectrum loudspeaker installing hole 1b, described high pitch loudspeaker unit 3 is parallel to each other with the central axis of medium and low spectrum loudspeaker unit 4, and their acoustic radiating direction is directly over casing; Described parasitic elements 5 is arranged in casing, parasitic elements 5 is positioned on the right side of medium and low spectrum loudspeaker unit 4, the central axis of parasitic elements 5 and the central axis of high pitch loudspeaker unit 3 and medium and low spectrum loudspeaker unit 4 are parallel to each other, and the central axis of parasitic elements 5, high pitch loudspeaker unit 3 and medium and low spectrum loudspeaker unit 4 is all positioned at the centre position of casing Width; Described parasitic elements 5 is arranged in casing by radiator support 6, described radiator support 6 has two the 180 degree sound mouth 6a be arranged symmetrically with, and two of radiator support 6 sound mouth 6a are respectively towards the front and back sides of casing, the front and back sides of casing is respectively equipped with and aligns with described sound mouth 6a the sender 7 communicated, passive radiator by two sound mouth 6a to the front of casing and rear conduct radiation sound.
As described in Fig. 1 ~ Fig. 6, in the utility model embodiment, described casing forms primarily of upper casing 1 and lower casing 2, and upper casing 1 and lower casing 2 are combined closely; High pitch loudspeaker installing hole 1a and medium and low spectrum loudspeaker installing hole 1b is offered at described upper casing 1 top; The front and back sides of described upper casing 1 all offers first sender 1c, the front and back sides of described lower casing 2 all offers second sender 2c, upper casing 1 and lower casing 2 to spell form casing time, two first sender 1c and two second sender 2c form two complete senders 7.
As shown in Figure 1, Figure 2, shown in Fig. 4 ~ Fig. 6, in the utility model embodiment, described parasitic elements 5 primarily of upper band ring empty sound basin 5a, lower band ring empty sound basin 5b, upload heavy parts 5c and download heavy parts 5d composition; Described upper band ring empty sound basin 5a is arranged on the top of radiator support 6, the edge of upper band ring empty sound basin 5a and the top sides of radiator support 6 are along combining closely, the centre of upper band ring empty sound basin 5a is unsettled, described in upload heavy parts 5c outer edge combine closely with the centre bore edge of upper band ring sky sound basin 5a; Described lower band ring empty sound basin 5b is arranged on the bottom of radiator support 6, the edge of lower band ring empty sound basin 5b and the bottom sides of radiator support 6 are along combining closely, the centre of lower band ring empty sound basin 5b is unsettled, combines closely in the centre bore edge of the outer edge of described download heavy parts 5d and upper band ring empty sound basin 5a; Described upper band ring empty sound basin 5a and lower band ring empty sound basin 5b, to upload heavy parts 5c all identical with the physical dimension downloading heavy parts 5d, is the setting of upper and lower specular radiator support 6 in.Further, the ring structure in described upper band ring empty sound basin 5a is to lower convexity, and in described lower band ring empty sound basin 5b, ring structure raises up.
In the utility model embodiment, described upper casing 1, lower casing 2 and radiator support 6 preferably adopt plastic material to make.The described heavy parts 5c that uploads all preferably adopts metal material such as aluminium to make with download heavy parts 5d.
Claims (7)
1. based on the thin type speaker of button type passive radiator, comprise casing, it is characterized in that: described casing is prolate shape, casing top offers the high pitch loudspeaker installing hole (1a) and medium and low spectrum loudspeaker installing hole (1b) that distribute along casing length direction, described high pitch loudspeaker installing hole (1a) is positioned at casing left end, medium and low spectrum loudspeaker installing hole (1b) is positioned in the middle part of casing, high pitch loudspeaker unit (3) is installed in high pitch loudspeaker installing hole (1a), medium and low spectrum loudspeaker unit (4) is installed in medium and low spectrum loudspeaker installing hole (1b), described high pitch loudspeaker unit (3) is parallel to each other with the central axis of medium and low spectrum loudspeaker unit (4), their acoustic radiating direction is directly over casing, a parasitic elements (5) is provided with in described casing, described parasitic elements (5) is positioned at medium and low spectrum loudspeaker unit (4) right side, the central axis of parasitic elements (5) and the central axis of high pitch loudspeaker unit (3) and medium and low spectrum loudspeaker unit (4) are parallel to each other, and the central axis of parasitic elements (5), high pitch loudspeaker unit (3) and medium and low spectrum loudspeaker unit (4) is all positioned at the centre position of casing Width, described parasitic elements (5) is arranged in casing by radiator support (6), described radiator support (6) has two the 180 degree sound mouths be arranged symmetrically with (6a), and two sound mouths (6a) of radiator support (6) are respectively towards the front and back sides of casing, the front and back sides of casing is respectively equipped with the sender (7) aligning with described sound mouth (6a) and communicate, passive radiator by two sound mouths (6a) to the front of casing and rear conduct radiation sound.
2., as claimed in claim 1 based on the thin type speaker of button type passive radiator, it is characterized in that: described casing comprises upper casing (1) and lower casing (2), upper casing (1) and lower casing (2) are combined closely; High pitch loudspeaker installing hole (1a) and medium and low spectrum loudspeaker installing hole (1b) are offered in described upper casing (1) top; The front and back sides of described upper casing (1) all offers first sender (1c), the front and back sides of described lower casing (2) all offers second sender (2c), upper casing (1) and lower casing (2) to spells form casing time, two first senders (1c) and two second senders (2c) form two complete senders (7).
3. as claimed in claim 1 based on the thin type speaker of button type passive radiator, it is characterized in that: described parasitic elements (5) comprises empty sound basin (5a) of band ring, empty sound basin (5b) of lower band ring, uploads heavy parts (5c) and download heavy parts (5d); Empty sound basin (5a) of described upper band ring is arranged on the top of radiator support (6), the empty edge of sound basin (5a) of upper band ring and the top sides of radiator support (6) are along combining closely, the centre of empty sound basin (5a) of upper band ring is unsettled, described in upload heavy parts (5c) outer edge combine closely with the centre bore edge of upper band ring sky sound basin (5a); Empty sound basin (5b) of described lower band ring is arranged on the bottom of radiator support (6), the empty edge of sound basin (5b) of lower band ring and the bottom sides of radiator support (6) are along combining closely, the centre of empty sound basin (5b) of lower band ring is unsettled, combines closely in the centre bore edge of the outer edge of described download heavy parts (5d) and empty sound basin (5a) of upper band ring; Empty sound basin (5a) of described upper band ring and empty sound basin (5b) of lower band ring, to upload heavy parts (5c) all identical with the physical dimension downloading heavy parts (5d), is the setting of upper and lower specular radiator support (6) in.
4. as claimed in claim 3 based on the thin type speaker of button type passive radiator, it is characterized in that: the ring structure in empty sound basin (5a) of described upper band ring is to lower convexity, and in empty sound basin (5b) of described lower band ring, ring structure raises up.
5. as claimed in claim 2 based on the thin type speaker of button type passive radiator, it is characterized in that: described upper casing (1), lower casing (2) and radiator support (6) adopt plastic material to make.
6., as claimed in claim 3 based on the thin type speaker of button type passive radiator, it is characterized in that: described in upload heavy parts (5c) and download heavy parts (5d) all adopts metal material to make.
7., as claimed in claim 3 based on the thin type speaker of button type passive radiator, it is characterized in that: described in upload heavy parts (5c) and download heavy parts (5d) all adopts aluminium to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623751.9U CN204929202U (en) | 2015-08-18 | 2015-08-18 | Slim audio amplifier based on make -up formula passive radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623751.9U CN204929202U (en) | 2015-08-18 | 2015-08-18 | Slim audio amplifier based on make -up formula passive radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204929202U true CN204929202U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520623751.9U Active CN204929202U (en) | 2015-08-18 | 2015-08-18 | Slim audio amplifier based on make -up formula passive radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204929202U (en) |
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2015
- 2015-08-18 CN CN201520623751.9U patent/CN204929202U/en active Active
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| 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: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |