CN1988731B - Built in sound system of thin video frequency device - Google Patents
Built in sound system of thin video frequency device Download PDFInfo
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- CN1988731B CN1988731B CN2005101046145A CN200510104614A CN1988731B CN 1988731 B CN1988731 B CN 1988731B CN 2005101046145 A CN2005101046145 A CN 2005101046145A CN 200510104614 A CN200510104614 A CN 200510104614A CN 1988731 B CN1988731 B CN 1988731B
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Abstract
The invention discloses a built-in sound system for thin video equipment, which uses two-fractional frequency labyrinth inverter speaker, and includes the loudspeaker, frequency divider, pilot pipe, box, althorn and sackbut. The structure of box is produced based on the internal space of video equipment and capacity requirement, and the labyrinth pilot pipe is installed on the wall of box cavity. In this invention, maze pilot pipe forms a longer bass channel in the box, to make the bass reflex in the channel for many times and double the strength, then after the collision reflection of the wall and desk, the air audio pressure is enhanced greatly, to achieve a HI-FI sound.
Description
Technical field
The present invention relates to a kind of built-in sound system of thin type video equipment.
Background technology
Along with society and development of science and technology, the thin type video equipment like panel TV, notebook computer etc., because picture is clear, thin and take up space for a short time, and has obtained consumers in general's favor.Traditional concept thinks that video equipment etc. is used for watching program, causes the tonequality performance of many brand video equipments, only adopts common loudspeaker unit and simple technical finesse.Simultaneously along with the improving constantly of existing consumer's requirement, more and more consumers hope to occur a not only have advocate high-quality image quality, also need have the thin type video equipment of specialized acoustic sound system.Occurred having specialized acoustic large-scale video equipment on the existing market, low-frequency effect does not often reach expected effect, bass is owed deficiency but but existing thin type video also has always.That is because the space in the thin type video equipment is little, to such an extent as to think on the industry and can not in the thin type video equipment, be mounted with specialized acoustic sound system.
Summary of the invention
Owe shortcoming but for the existing bass of built-in sound system that overcomes existing thin type video equipment, a kind of built-in sound system of thin type video equipment is provided, it significantly promotes bass effect under the situation that does not influence the video equipment aesthetic look.
The present invention adopts following technical scheme: a kind of built-in sound system of thin type video equipment; What this sound system adopted is two divided-frequency labyrinth type reflex cabinet; It comprises loud speaker, frequency divider, labyrinth type guide pipe, casing, loudspeaker and bass horn; Wherein, the structure of casing is to form according to video equipment inner space and capacity requirement manufacturing, and the labyrinth type guide pipe is built on the cavity wall of casing.
Said casing comprises preceding frame and the rear chamber that is fixedly connected; The labyrinth type guide pipe divides two part compositions up and down; Wherein, the bottom is divided into the labyrinth base, and itself and the injection moulding of casing rear chamber one form; Top is divided into the plastic sheet that seals of a drawing; The fastening formation labyrinth type of this plastic sheet and labyrinth base guiding makes labyrinth type guide pipe length in the audio amplifier can satisfy the needs of bass dive to increase bass channel.
Said labyrinth type guide pipe trend is even, and the area of section everywhere of labyrinth type guide pipe is roughly the same.
The labyrinth base of said labyrinth type guide pipe comprises:
Three front and back are side by side first leg, second leg and the 3rd leg successively;
The wall all around that connects the first leg right part and the 3rd leg right part; And
The 5th leg that connects the second leg left part and the 3rd leg left part;
Wherein, all around wall and the 5th leg are formed a type spiral helicine labyrinth base for first leg, second leg, the 3rd leg, the.
Labyrinth base type of the being helical form of said labyrinth type guide pipe.
Said casing is fixedly linked in the thin type video equipment, is equipped with the cushion pad with antihunt action between this connection.
Said casing is special-shaped casing, and the polymorphic structure in its shaped face and the thin type video equipment is complementary; The abnormity casing is fixed in polymorphic structure identically, takes up room to reduce special-shaped casing.
Be provided with the cushion pad that plays sealing process and antihunt action between the frame before said casing rear chamber and the casing; Be provided with the cushion pad that plays sealing process and antihunt action between the labyrinth base of the plastic sheet of labyrinth type guide pipe and labyrinth type guide pipe.
The cross-sectional area of said labyrinth type guide pipe is decided to be 20*20mm
2, total length is decided to be (175～185) mm.
The cross-sectional area of said labyrinth type guide pipe is decided to be 20*20mm
2, total length is decided to be 180mm, reduces the frictional force that air flow produces in the labyrinth type guide pipe, and makes the resonance frequency of casing drop to 80Hz.
The driver element of said loud speaker adopts high-performance neodymium-iron-boron magnet and four layers of coiling voice coil loudspeaker voice coil.
The driver element of said loud speaker makes the bass horn resonance frequency drop to 95Hz, and total quality factor value is 0.434.
Frame adopts working of plastics before the said casing, and the thickness of its face frame is 2.5mm, and perforate is a staged; This perforate inboard is 1.8mm, and the outside is 1.2mm, makes tonequality balance nature to alleviate counter productive.
Said loudspeaker all is fixedly connected the preceding frame of casing with bass horn, and is equipped with cushion pad between loudspeaker, bass horn and the casing, and wherein, loudspeaker adopts parallel way to be connected with bass horn.
Said thin type video equipment is panel TV, notebook computer.
Said cushion pad is the unit rubber of the little foaming structure of high resiliency.
Also comprise built-in BBE electronics Adjustment System, the loss of signal and phase deviation that it is used for intelligentized correction and recovers sound system.
Can know that by above-mentioned description compare with background technology, the present invention has following advantage to structure of the present invention:
One of which, the built-in sound system of a kind of thin type video equipment of the present invention, labyrinth type guide pipe form long bass channel in casing; Bass is repeatedly reflection in bass channel, reinforcement at double, the impact effect of then passing through metope and desktop; Stack mutually, the air-flow acoustic pressure is able to great enhancing, creates the most powerful the developing in the thin type video equipments such as present all panel TVs, notebook computer; The bass effect of shock has been realized audio HI-FIization;
Its two, the structure of casing is to form according to video equipment inner space and capacity requirement manufacturing, then can reach the inner space that the audio effect can make full use of video equipment again;
They are three years old; Labyrinth base and the injection moulding of casing rear chamber one form; Because casing is according to the video equipment inner space and the capacity requirement manufacturing forms so then it is generally irregular casing; And designed the fabrication scheme that labyrinth base and the injection moulding of casing rear chamber one form according to video equipment inner space irregular in the present technique scheme, then make the manufacturing of equipment of this sound equipment realize becoming being reality, and practiced thrift and saved cabinet space;
Its four, labyrinth type guide pipe trend evenly and also the area of section everywhere of labyrinth type guide pipe roughly the same, the power of reducing friction;
They are five years old; The labyrinth base of labyrinth type guide pipe comprise three successively side by side first leg, second leg, the 3rd leg, connect the wall and connect the second leg end and the 5th leg of the 3rd leg the other end all around of the first leg end and the 3rd leg end; This structure is designed according to the video equipment inner space, and therefore can reach the audio effect can save taking up room of built-in sound system again;
Its six, the cross-sectional area of labyrinth type guide pipe is decided to be 20*20mm
2And total length is decided to be (175～185) mm; In general the big more frictional force of the cross-sectional area of labyrinth type guide pipe is just more little but the bass dive is not dark; The cross-sectional area that therefore need be the labyrinth type guide pipe according to the structure of casing is looked for an optimum range; The cross-sectional area scope of present technique scheme can make that the bass effect of sound system is good, if cross-sectional area is decided to be 20*20mm certainly
2And total length is decided to be 180mm, and then bass effect is best;
Its seven, complete machine is tested through machine jolt ramming, the place necessary at complete machine installs sound-absorbing material additional, in order to avoid when significantly promoting bass, influence image quality because of the complete machine resonant coefficient increases;
They are eight years old; The driver element of loud speaker adopts " king of driving " NdFeB material; It is outstanding unusually to drive energy though its volume is little and be 8 times of common loudspeaker unit and middle bass effect, and therefore can reach the audio effect can save taking up room of built-in sound system again;
Its nine, cushion pad is the unit rubber of the little foaming structure of high resiliency, good sealing effect and vibration-isolating effect are good, then can effectively reduce the noise distortion, middle pitch is clear and smooth more;
They are ten years old; Frame adopts working of plastics to make overall appearance coordinate before the audio amplifier; Simultaneously in order to overcome because of adopting the decay point of low frequency, high frequency of working of plastics, therefore in design process, the thickness of face frame is decided to be 2.5mm, perforate be staged and hole inboard for 1.8mm, the outside be 1.2mm; Then can alleviate counter productive greatly, make tonequality balance nature;
Its 11, total quality factor value of the driver element of loud speaker is 0.434, this Q value has guaranteed that loudspeaker and audio amplifier can well mate;
Its 12, if turn off picture then play the MP3 music through storage card or USB storage, this sound system effect is not second to a small-sized sound equipment;
Its 13, built-in BBE electronics Adjustment System, its intelligentized correction and recover the loss of signal and the phase deviation of sound system correctly recovers former sound and natural reality and reappears voice;
Its 14, the seamless combination of the sub-power amplifier of built-in high efficiency numeral and digital tone source effectively reduces and transmits interference between signal.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is special-shaped casing stereogram.
Fig. 2 labyrinth type guide pipe moves towards structural representation.
Fig. 3 is special-shaped sound box decomposing state sketch map.
Fig. 4 is assembled in the sketch map behind the television set for audio amplifier.
Embodiment
A kind of built-in sound system of panel TV; Like Fig. 1,2,3, shown in 4; What this sound system adopted is two divided-frequency labyrinth type reflex cabinet, and it comprises loud speaker, frequency divider, labyrinth type guide pipe, casing 1, loudspeaker 3, bass horn 4 and built-in BBE electronics Adjustment System.What this sound system adopted is two divided-frequency labyrinth type reflex cabinet.
Like Fig. 1,3, shown in 4, the structure of casing 1 is to form according to video equipment inner space and capacity requirement manufacturing, and it is special-shaped casing.The shaped face of abnormity casing and the polymorphic structure in the panel TV are complementary, and special-shaped casing is fixed in polymorphic structure identically, then can reduce special-shaped casing and take up room.The abnormity casing comprises the preceding frame 11 and rear chamber 12 that fixes connection through screw, is provided with the cushion pad with antihunt action between the frame 11 before casing rear chamber 12 and the casing, and this cushion pad is the unit rubber of the little foaming structure of high resiliency.Frame 11 adopts working of plasticss before the casing, and the thickness of its face frame is 2.5mm, and perforate is a staged; This perforate inboard is 1.8mm, and the outside is 1.2mm, therefore can alleviate counter productive and make tonequality balance nature.Abnormity casing 1 is connected through screw with LCD TV, and the centre is added with and keeps away the material that shakes, and this keeps away the unit rubber that the material that shakes is the little foaming structure of high resiliency.
As shown in Figure 2, labyrinth type guide pipe 2 is built on the cavity wall of special-shaped casing 1.The labyrinth type guide pipe divides two part compositions up and down, and wherein, lower part 21 is the labyrinth base, and it forms with 12 injection mouldings of casing rear chamber; Top is divided into the plastic sheet 22 of a drawing, and this plastic sheet 22 is locked fastening formation labyrinth type guiding with labyrinth base 21 through screw, makes labyrinth type guide pipe length in the audio amplifier can satisfy the needs of bass dive to increase bass channel.Be provided with cushion pad between the plastic sheet 22 of labyrinth type guide pipe and the labyrinth base 21 of labyrinth type guide pipe, this cushion pad is the unit rubber of the little foaming structure of high resiliency.
Labyrinth type guide pipe trend area of section everywhere even and the labyrinth type guide pipe is roughly the same.This labyrinth type guide pipe cross-sectional area is decided to be 20*20; This labyrinth type guide pipe total length is decided to be (175～185) mm; Through overtesting, preferably labyrinth type guide pipe cross-sectional area is decided to be 20*20, and labyrinth type guide pipe total length is decided to be 180mm; Then can maximumly reduce the frictional force that air flow produces in the labyrinth type guide pipe, and make the resonance frequency of casing drop to 80Hz.The labyrinth base 21 of labyrinth type guide pipe comprise three successively side by side first leg 211, second leg 212, the 3rd leg 213, connect the wall 214 and connect second leg, 212 ends and the 5th leg 215 of the 3rd leg 213 the other end all around of first leg, 211 ends and the 3rd leg 213 ends, these five legs 215 cooperate and constitute type spiral helicine labyrinth bases 21.
The driver element of loud speaker adopts high-performance neodymium-iron-boron magnet and four layers of coiling voice coil loudspeaker voice coil, and its driver element adopts high-performance neodymium-iron-boron magnet and four layers of coiling voice coil loudspeaker voice coil.The driver element of loud speaker makes the bass horn resonance frequency drop to 95Hz, and total quality factor value is 0.434.
Loudspeaker 3 all is fixedly connected the preceding frame 11 of casing with bass horn 4, and is equipped with cushion pad between loudspeaker, bass horn and the casing, and wherein, loudspeaker adopts parallel way to be connected with bass horn.
Built-in BBE electronics Adjustment System is used for intelligentized correction and recovers the loss of signal and the phase deviation of sound system.
Be symmetrically arranged with two built-in sound systems on this panel TV.The built-in sound system of the thin type video equipment of present embodiment can be described as " low hammer " sound system, and the bass performance of sound equipment significantly promotes and the bass submerged depth is 8 times of common thin video equipment.
The above is merely preferred embodiment of the present invention, so can not limit the scope that the present invention implements with this, the equivalence of promptly doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (9)
1. the built-in sound system of a thin type video equipment; It is characterized in that: what this sound system adopted is two divided-frequency labyrinth type reflex cabinet; It comprises loud speaker, frequency divider, labyrinth type guide pipe, casing, loudspeaker and bass horn; Wherein, the structure of casing is to form according to video equipment inner space and capacity requirement manufacturing, and the labyrinth type guide pipe is built on the cavity wall of casing;
Said casing comprises preceding frame and the rear chamber that is fixedly connected; The labyrinth type guide pipe divides two part compositions up and down; Wherein, the bottom is divided into the labyrinth base, and itself and the injection moulding of casing rear chamber one form; Top is divided into the plastic sheet that seals of a drawing; The fastening formation labyrinth type of this plastic sheet and labyrinth base guiding makes labyrinth type guide pipe length in the audio amplifier can satisfy the needs of bass dive to increase bass channel;
Said casing is special-shaped casing, and the polymorphic structure in its shaped face and the thin type video equipment is complementary; The abnormity casing is fixed in polymorphic structure identically, takes up room to reduce special-shaped casing.
2. the built-in sound system of a kind of thin type video equipment according to claim 1 is characterized in that: said labyrinth type guide pipe trend is even, and the area of section everywhere of labyrinth type guide pipe is roughly the same.
3. the built-in sound system of a kind of thin type video equipment according to claim 2 is characterized in that: the labyrinth base of said labyrinth type guide pipe comprises:
Three front and back are side by side first leg, second leg and the 3rd leg successively;
The wall all around that connects the first leg right part and the 3rd leg right part; And
The 5th leg that connects the second leg left part and the 3rd leg left part;
Wherein, all around wall and the 5th leg are formed a type spiral helicine labyrinth base for first leg, second leg, the 3rd leg, the.
4. the built-in sound system of a kind of thin type video equipment according to claim 1 is characterized in that: said casing is fixedly linked in the thin type video equipment, is equipped with the cushion pad with antihunt action between this connection.
5. the built-in sound system of a kind of thin type video equipment according to claim 1 is characterized in that: be provided with the cushion pad that plays sealing process and antihunt action between the frame before said casing rear chamber and the casing; Be provided with the cushion pad that plays sealing process and antihunt action between the labyrinth base of the plastic sheet of labyrinth type guide pipe and labyrinth type guide pipe.
6. the built-in sound system of a kind of thin type video equipment according to claim 1 is characterized in that: the cross-sectional area of said labyrinth type guide pipe is decided to be 20*20mm
2, total length is decided to be (175～185) mm.
7. the built-in sound system of a kind of thin type video equipment according to claim 1; It is characterized in that: the driver element of said loud speaker adopts high-performance neodymium-iron-boron magnet and four layers of coiling voice coil loudspeaker voice coil; And the driver element of loud speaker makes the bass horn resonance frequency drop to 95Hz, and total quality factor value is 0.434.
8. the built-in sound system of a kind of thin type video equipment according to claim 2; It is characterized in that: said loudspeaker all is fixedly connected the preceding frame of casing with bass horn; And be equipped with cushion pad between loudspeaker, bass horn and the casing; Wherein, loudspeaker adopts parallel way to be connected with bass horn.
9. the built-in sound system of a kind of thin type video equipment according to claim 2 is characterized in that: also comprise built-in BBE electronics Adjustment System, the loss of signal and phase deviation that it is used for intelligentized correction and recovers sound system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101046145A CN1988731B (en) | 2005-12-23 | 2005-12-23 | Built in sound system of thin video frequency device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101046145A CN1988731B (en) | 2005-12-23 | 2005-12-23 | Built in sound system of thin video frequency device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1988731A CN1988731A (en) | 2007-06-27 |
| CN1988731B true CN1988731B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101046145A Expired - Fee Related CN1988731B (en) | 2005-12-23 | 2005-12-23 | Built in sound system of thin video frequency device |
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| Country | Link |
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| CN (1) | CN1988731B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705747B (en) * | 2012-05-30 | 2015-07-01 | 邱向康 | Audio lamp |
| JP2014086831A (en) * | 2012-10-23 | 2014-05-12 | Sharp Corp | Loudspeaker system and video display device |
| CN103813222A (en) * | 2012-11-12 | 2014-05-21 | 全艺电子(昆山)有限公司 | Micro multimedia soundbox |
| CN103269468B (en) * | 2013-06-06 | 2015-11-18 | 无锡杰夫电声有限公司 | Horn-type multipoint excitation speaker box |
| CN106454170B (en) * | 2016-11-24 | 2020-01-24 | 微鲸科技有限公司 | Design method of labyrinth type sound box and flat-panel television |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068497C (en) * | 1996-04-22 | 2001-07-11 | 三星电子株式会社 | Loudspeaker system |
| CN2586317Y (en) * | 2002-11-22 | 2003-11-12 | 青岛海信电器股份有限公司 | Television heavy wafer and television |
-
2005
- 2005-12-23 CN CN2005101046145A patent/CN1988731B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068497C (en) * | 1996-04-22 | 2001-07-11 | 三星电子株式会社 | Loudspeaker system |
| CN2586317Y (en) * | 2002-11-22 | 2003-11-12 | 青岛海信电器股份有限公司 | Television heavy wafer and television |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1988731A (en) | 2007-06-27 |
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Owner name: AMOI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: AMOI ELECTRONICS CO., LTD. Effective date: 20100527 |
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Free format text: CORRECT: ADDRESS; FROM: 361012 NO.45, TIYU ROAD, XIAMEN CITY, FUJIAN PROVINCE TO: 361000 4/F, NO.22, GUANRI ROAD, SECOND PHASE OF XIAMEN SOFTWARE PARK, FUJIAN PROVINCE |
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Effective date of registration: 20100527 Address after: 361000 Fujian province Xiamen software park two sunrise Road No. 22 4 floor Applicant after: Amoi Electronics Co., Ltd. Address before: 361012 No. 45, sports road, Fujian, Xiamen Applicant before: Xiaxin Electronic Co., Ltd. |
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Address after: 361000 Fujian province Xiamen software park two sunrise Road No. 22 4 floor Patentee after: AMOI TECHNOLOGY CO., LTD. Address before: 361000 Fujian province Xiamen software park two sunrise Road No. 22 4 floor Patentee before: Amoi Electronics Co., Ltd. |
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