CN201294623Y - Front reflex type loudspeaker structure - Google Patents
Front reflex type loudspeaker structure Download PDFInfo
- Publication number
- CN201294623Y CN201294623Y CNU2008201354925U CN200820135492U CN201294623Y CN 201294623 Y CN201294623 Y CN 201294623Y CN U2008201354925 U CNU2008201354925 U CN U2008201354925U CN 200820135492 U CN200820135492 U CN 200820135492U CN 201294623 Y CN201294623 Y CN 201294623Y
- Authority
- CN
- China
- Prior art keywords
- reflection
- loudspeaker
- conduit
- loadspeaker structure
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000011514 reflex Effects 0.000 title claims description 17
- 229920000742 Cotton Polymers 0.000 claims abstract description 23
- 108090000565 Capsid Proteins Proteins 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 241000219146 Gossypium Species 0.000 description 16
- 230000009102 absorption Effects 0.000 description 5
- 230000012447 hatching Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a front reflective-type loudspeaker structure, which comprises a front shell and a rear shell, wherein the front shell is concavely provided with a front plate with a shoulder part, a bass reflecting hole and a reflecting duct which extends from the bass reflecting plate to the inside and the outside of the front plate are arranged on the shoulder part, a fixing hole for containing a trumpet is arranged on the front plate and contains a trumpet, the rear shell and the front shell are mutually combined to form a sound box, the rear shell is provided with a rear plate and a ring tube which extends inwards from the rear plate, the ring tube covers the bottom of the reflecting duct and forms a gap, furthermore, a piece of hollow acoustical absorption cotton is arranged behind the trumpet, an acoustical absorption pillow body corresponding to the trumpet is arranged behind the hollow acoustical absorption cotton, and thereby bass with good sound quality can be sent out from the reflecting duct.
Description
Technical field
The utility model relates to a kind of loud speaker, relates in particular to a kind of bass reflex type loud speaker.
Background technology
Generally speaking, the loudspeaker monomer size is bigger, the performance of its low frequency (range) better, yet some consumption electronic products can't use large-sized monomer owing to be subject to size, therefore, bass effect is often desirable not to the utmost.
For obtaining abundanter LF-response, a kind of reflective loud speaker arises at the historic moment; Reflective loud speaker is provided with a bass reflex hole and extends a reflection conduit from this bass reflex hole in sound box, and the sound that allows loudspeaker (monomer) back side send transmits out via the reflection conduit; When casing the place ahead is located in the bass reflex hole, be referred to as front-reflection formula loud speaker, its sound of front-reflection formula loud speaker reflects through sound box, from this reflection conduit sound wave is transmitted out again; Only, most now by audio amplifier that plastic casing constituted, its box house is standing to have many ribs and screw to strengthen as structure or to be the usefulness of combination, in the process that is formed on sound reflection of those ribs and screw, the reflection direction of meeting interference sound or the intensity of supporting damage sound, cause the sonic waveforms of transmitting out from the bass reflex hole to be damaged, it is not good enough to form bass effect.
The utility model content
A purpose of the present utility model is to provide a kind of front-reflection formula loadspeaker structure, and sound is avoided via the reflection of the irregular surface of audio amplifier inwall, keeps sonic waveforms complete of reflect sound, and then promotes tonequality.
Another purpose of the present utility model, be to provide a kind of front-reflection formula loadspeaker structure, header board by this procapsid is concaved with a shoulder, this reflection conduit extends this header board medial and lateral from this shoulder, make this bass reflex hole and audio amplifier be formed with one section difference for this reason, the sound of avoiding the interior sound of audio amplifier and this reflection conduit to transmit is out interfered mutually, can get comparatively clear, a well-bedded bass.
To achieve the above object, the utility model provides a kind of front-reflection formula loadspeaker structure, comprise procapsid and back casing, the procapsid tool is concaved with a header board of a shoulder, shoulder is provided with a bass reflex hole and reaches from the bass reflex hole in header board, the reflection conduit that extend in the outside, header board also is provided with fixing hole and ccontaining loudspeaker that are equipped with loudspeaker, back casing and procapsid mutually combine to form an audio amplifier, the endless tube that back casing has a back plate and extends internally from the back plate, the endless tube cover covers reflection conduit bottom and is formed with the gap, other has a hollow acoustical cotton to be located at the rear of loudspeaker, and hollow acoustical cotton rear is provided with the sound-absorbing pad corresponding to loudspeaker.
Beneficial functional of the present utility model is: the front-reflection formula loadspeaker structure that the utility model provides, by of the reflection of hollow acoustical cotton with the absorption of noise sound wave, can avoid making sound to avoid reflecting via the irregular surface of audio amplifier inwall, sonic waveforms complete that keeps reflect sound, and then lifting tonequality, from the reflection conduit, pass out deepness and concentrated reflection bass, to provide a tonequality good loud speaker for this reason; Again, this bass reflex hole and audio amplifier are formed with one section difference, can make the sound in the audio amplifier can not disturb the sound that transmits out from this reflection conduit, to get a reflection bass more clearly.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model front-reflection formula loadspeaker structure;
Fig. 2 is the three-dimensional appearance schematic diagram of the utility model front-reflection formula loadspeaker structure;
Fig. 3 for among Fig. 2 along the three-dimensional cutaway view of 3-3 hatching; And
Fig. 4 is along the section plan of 4-4 hatching and the action schematic diagram of the utility model front-reflection formula loadspeaker structure among Fig. 2.
Wherein, Reference numeral
1 loud speaker, 10 procapsids
11 header boards, 111 fixing holes
112 screws, 113 shoulders
120 bass reflex holes, 121 reflection conduits
20 loudspeaker, 21 spiral shell spares
30 hollow acoustical cottons, 40 back casings
41 back plate 42 endless tubes
420 gaps, 43 screws
50 sound-absorbing pads, 100 audio amplifiers
Embodiment
Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, however appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.
Fig. 1 and Fig. 2 be please join, three-dimensional exploded view of the present utility model and stereo appearance figure are respectively; The utility model provides a kind of front-reflection formula loadspeaker structure, this loud speaker 1 comprises a procapsid 10, these procapsid 10 tools are provided with a header board 11 of a fixing hole 111, this header board 11 is concaved with a shoulder 113, this shoulder 113 is provided with a bass reflex hole 120 and reaches from this bass reflex hole 120 in this header board 11, the reflection conduit 121 that extend in the outside, this reflection height of conduit 121 on this shoulder 113 and end face of this loudspeaker 20, a hollow tube of past interior convergent outside this reflection conduit 121 is served as reasons, that is, this reflection conduit 121 forms the shape of expansion outward, to draw preferable sound; Be equipped with loudspeaker 20 in this fixing hole 111, its periphery is provided with a plurality of screws 112, and a plurality of spiral shell spares 21 screw togather mutually and these loudspeaker 20 are locked on this header board 11 with these screws 112.
The endless tube 42 that one back casing 40 has a back plate 41 and extends internally from this back plate 41, this endless tube 42 covers are overlying on these reflection conduit 121 bottoms and are formed with a gap 420 (ginseng Fig. 3), and this back casing 40 is laid with a plurality of screws 43 and mutually combines with this procapsid 10 and form an audio amplifier 100.
One hollow acoustical cotton 30 is located at the rear of these loudspeaker 20, it covers at the outside of this reflection conduit 121 and this endless tube 42, this hollow acoustical cotton 30 can sharp absorption of noise sound wave reflection, wherein, to should loudspeaker 20, be provided with a sound-absorbing pad 50 in these hollow acoustical cotton 30 rears, to absorb the sound of middle and high frequency, this sound-absorbing pad 50 can be an acoustical cotton.
In present embodiment, this header board 11 is divided into left and right side and respectively is provided with a fixing hole 111, be equipped with loudspeaker 20 in each fixing hole 111 respectively, each fixing hole 111 side is respectively equipped with a reflection conduit 121, in addition, the rear of these left and right side loudspeaker 20 respectively is provided with a hollow acoustical cotton 30 with the reflection conduit 121 that covers at left and right side respectively and the outside of endless tube 42.
Please join Fig. 3, among Fig. 2 along the three-dimensional cutaway view of 3-3 hatching; Can find out among the figure, this reflection conduit 121 extends the medial and lateral of this header board 11 from this shoulder 113, this bass reflex hole 120 is formed with one section difference with audio amplifier 100, avoid the sound that sound and this reflection conduit 121 transmitted out in the audio amplifier 100 to interfere mutually for this reason, the back plate 41 of this back casing 40 endless tube 42 that extended internally, these endless tube 42 covers cover these reflection conduit 121 bottoms and are formed with this gap 420; In addition, this procapsid 10 mutually combines with this back casing 40 and forms an audio amplifier 100, and these audio amplifier 100 contents are provided with two hollow acoustical cottons 30, and this hollow acoustical cotton 30 is located at the rear of these loudspeaker 20 and is covered at the outside of this reflection conduit 121 and this endless tube 42.
Please join Fig. 4, among Fig. 2 along the cutaway view and the usage operation schematic diagram of 4-4 hatching; These loudspeaker 20 are locked on the header board 11 of procapsid 10, these endless tube 42 covers are overlying on these reflection conduit 121 bottoms and are formed with gap 420 with this reflection conduit 121, when loudspeaker 20 sounding, before it, the rear is to all having sound generating, the sound of forward direction directly is sent to the user, afterwards to sound then comes together in the hollow acoustical cotton 30 of this audio amplifier 100, the reflection of these hollow acoustical cotton 30 meeting absorption of noise sound waves, partly, high-frequency sound can be set at sound-absorbing pad 50 absorptions at this hollow acoustical cotton 30 and rear and decay, very few absorbed bass passes this hollow acoustical cotton 30, again through this endless tube 42 and the reflection conduit 121 between formed gap 420, from these endless tube 42 bottom reflection, allow sound wave from this reflection conduit 121, transmit at last.
Front-reflection formula loadspeaker structure of the present utility model, by of the reflection of hollow acoustical cotton with the absorption of noise sound wave, can avoid making sound to avoid reflecting via the irregular surface of audio amplifier inwall, sonic waveforms complete that keeps reflect sound, and then lifting tonequality, from the reflection conduit, pass out deepness and concentrated reflection bass, to provide a tonequality good loud speaker for this reason; Again, this bass reflex hole and audio amplifier are formed with one section difference, can make the sound in the audio amplifier can not disturb the sound that transmits out from this reflection conduit, to get a reflection bass more clearly.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (8)
1. a front-reflection formula loadspeaker structure is characterized in that, comprising:
One procapsid, tool are provided with a header board of a fixing hole, and this header board is concaved with a shoulder, the reflection conduit that this shoulder is provided with a bass reflex hole and extends to the medial and lateral of this header board from this bass reflex hole;
One loudspeaker are placed in this fixing hole;
One back casing mutually combines to form an audio amplifier with this procapsid, and the endless tube that this back casing has a back plate and extends internally from this back plate, this endless tube cover cover this reflection conduit bottom and be formed with a gap;
One hollow acoustical cotton is located at the rear of these loudspeaker, and this hollow acoustical cotton covers at the outside of this reflection conduit and this endless tube; And
One sound-absorbing pad is to should loudspeaker and be located at this hollow acoustical cotton rear.
2. front-reflection formula loadspeaker structure according to claim 1 is characterized in that, a hollow tube of past interior convergent outside this reflection conduit is served as reasons.
3. front-reflection formula loadspeaker structure according to claim 1 is characterized in that, this header board is divided into left and right side and respectively is provided with a fixing hole, respectively is equipped with loudspeaker respectively in this fixing hole.
4. front-reflection formula loadspeaker structure according to claim 3 is characterized in that, this fixing hole side of these left and right two sides is respectively equipped with this reflection conduit.
5. front-reflection formula loadspeaker structure according to claim 3 is characterized in that respectively the rear of these loudspeaker is respectively equipped with a hollow acoustical cotton.
6. front-reflection formula loadspeaker structure according to claim 1 is characterized in that, this reflection conduit height on this shoulder is the end face with these loudspeaker.
7. front-reflection formula loadspeaker structure according to claim 1 is characterized in that this header board is provided with a plurality of screws in the periphery of this fixing hole, and these loudspeaker screw togather mutually by a plurality of spiral shell spares and these screws and are locked on this header board.
8. front-reflection formula loadspeaker structure according to claim 1 is characterized in that this sound-absorbing pad is an acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201354925U CN201294623Y (en) | 2008-10-22 | 2008-10-22 | Front reflex type loudspeaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201354925U CN201294623Y (en) | 2008-10-22 | 2008-10-22 | Front reflex type loudspeaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294623Y true CN201294623Y (en) | 2009-08-19 |
Family
ID=41008105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201354925U Expired - Fee Related CN201294623Y (en) | 2008-10-22 | 2008-10-22 | Front reflex type loudspeaker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294623Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581503A (en) * | 2014-12-15 | 2015-04-29 | 吉林省兴普科技有限公司 | Vibration type body sensing sound box and application thereof |
| CN109257667A (en) * | 2018-09-30 | 2019-01-22 | 常州美硕电子有限公司 | Plastics high-fidelity combination sound box |
| US20210337305A1 (en) * | 2019-01-23 | 2021-10-28 | Shenzhen Saiyuan Electronics Co., Ltd. | Bass-reflex enclosure |
-
2008
- 2008-10-22 CN CNU2008201354925U patent/CN201294623Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581503A (en) * | 2014-12-15 | 2015-04-29 | 吉林省兴普科技有限公司 | Vibration type body sensing sound box and application thereof |
| CN109257667A (en) * | 2018-09-30 | 2019-01-22 | 常州美硕电子有限公司 | Plastics high-fidelity combination sound box |
| US20210337305A1 (en) * | 2019-01-23 | 2021-10-28 | Shenzhen Saiyuan Electronics Co., Ltd. | Bass-reflex enclosure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20091123 |