CN101237545A - TV with built-in speaker - Google Patents
TV with built-in speaker Download PDFInfo
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- CN101237545A CN101237545A CNA2007100134576A CN200710013457A CN101237545A CN 101237545 A CN101237545 A CN 101237545A CN A2007100134576 A CNA2007100134576 A CN A2007100134576A CN 200710013457 A CN200710013457 A CN 200710013457A CN 101237545 A CN101237545 A CN 101237545A
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- television set
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- 239000004568 cement Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 108700041286 delta Proteins 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 230000008961 swelling Effects 0.000 description 1
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Abstract
The invention provides a TV set with a built-in loud speaker and capable of solving the problems of the prior art such as TV vibration and poor low-frequency response of a loud speaker. The invention adopts the following technical proposal: a clearance Delta 1 is arranged between a loud speaker and a loud speaker holder; a speaker frame is movably sleeved on the double-ended bolt of a casing; both the inside and the outside of the double-ended bolt are provided with stop blocks; the speaker frame is arranged between the inside stop block and the outside stop block with a clearance Delta 2 set aside. The TV set overcomes the technical prejudice of acoustic short circuit close connection and adopts a clearance structure form different from close connection, thereby solving the problems such as TV vibration and poor low-frequency response.
Description
Technical field
The present invention relates to television set, relate in particular to the improvement of the built-in speaker assembly structure in the television set.
Background technology
The assembly structure form of the boombox in the existing television set is based on solutions " acoustic short circuit " and designs.Referring to Fig. 1 and Fig. 2, the press strip 3 of speaker base on the casing 1 and loud speaker 2 surrounds enclosure space V (certainly, having mesh on the casing) near being adjacent to, and the basin frame 4 of screw 5 by loud speaker tightly is fixed on loud speaker 2 on the double-screw bolt 10 of casing 1, and loud speaker 2 and casing 1 are connected and fixed.So-called acoustic short circuit, be exactly the sound wave that sends of the diaphragm of loudspeaker back side around to vibrating diaphragm the place ahead, the sound wave that sends previously with vibrating diaphragm forms interference, whole acoustic frequency response is degenerated, especially low-frequency sound wave, because of wavelength oversize, during interference before and after the phase place of sound wave almost differ 180 ° and offset, so can cause the LF-response variation, and whole acoustics is affected.In order to subdue the ill-effect that acoustic short circuit produces, existing design concept is the fastening installation of the speaker base of requirement loud speaker and casing, both are closely contacted, and require that loud speaker is fastening in useful life loosening phenomenon can not occur, surround enclosure space with the vibrating diaphragm that forms loud speaker and press strip and casing.For a long time, this airtight theory is never doubted, and uses till today, and the technical staff of TV industry does not also further discuss and tests airtight design for the actual effect of subduing acoustic short circuit.
Yet, actual some technical problems that reflect of airtight mounting means, two aspects below main embodiment the: 1. closely contact with the speaker base of casing owing to loud speaker, vibration violent during speaker operation can be delivered to casing, because casing generally all is working of plastics or metal sheet, itself rigidity and intensity are not high, and the vibration of loud speaker very easily makes and bumps between casing or casing vibration formation noise itself, the common machine shake problem of television set that Here it is.For some consumer, think that machine shake problem is the comparatively serious quality problems of television set, persuasion is explained very difficult, TV industry is perplexed in the negative effect that brings for a long time, the research staff tries hard to solve, because solution is to start with from aspects such as mould and production technologies, lack specific aim, substantive breakthroughs are not arranged all the time.2. because diaphragm of loudspeaker the place ahead has formed above-mentioned enclosure space, the air in the enclosure space has elastic resistance, and elastic resistance forms additional forces when the diaphragm of loudspeaker vibrates, and can improve the resonance frequency of loud speaker, makes the LF-response variation of loud speaker.Though on casing, have through hole, because through-hole rate is lower, generally have only 20%-30%, and through hole length is longer, the viscosity effect of air is obvious in the through hole, so the additional forces of air is still bigger in the enclosure space V.
Summary of the invention
The invention provides a kind of television set of built-in speaker, it can solve the machine shake of prior art existence and the problems such as LF-response difference of loud speaker.
In order to reach the purpose that solves the problems of the technologies described above, technical scheme of the present invention is, a kind of television set of built-in speaker, it comprises casing, speaker base, loud speaker, it is characterized in that leaving between loud speaker and the speaker base gap delta 1, on the double-screw bolt that is sleeved on casing of the basin frame activity of loud speaker, the double-screw bolt medial and lateral are provided with guide vane end stop, the basin frame is between the inside and outside guide vane end stop, and leaves gap delta 2.
In the present invention, also have following technical characterictic: the inboard cylinder of double-screw bolt is provided with inner limited block, and the outer face of inner limited block protrudes in the speaker base end face, and outer guide vane end stop is located at the double-screw bolt outer end.
In the present invention, also have following technical characterictic: the end face of basin frame is contained in the shock-absorbing sleeve, and basin frame and shock-absorbing sleeve are sleeved on the double-screw bolt of casing, and shock-absorbing sleeve is between inner limited block and the outer guide vane end stop, makes basin frame and shock-absorbing sleeve removable in interstice coverage.
In the present invention, also have following technical characterictic: described outer guide vane end stop is the head of screw that is fixed on the screw of double-screw bolt outer face.
In the present invention, also have following technical characterictic: described outer guide vane end stop is the screw gasket that is fixed on the double-screw bolt outer face.
In the present invention, also have following technical characterictic: described gap delta 1 is in the 0.10-1.5mm scope.
In the present invention, also have following technical characterictic: described gap delta 2 is in the 0.1-0.4mm scope.
In the present invention, also have following technical characterictic: the sleeve joint hole place of described basin frame and the double-screw bolt circle protuberance arc that stretches, so that the fixing shock-absorbing sleeve of protuberance arc.
In the present invention, also have following technical characterictic: the sleeve joint hole place of described basin frame and double-screw bolt is provided with mat, so that the fixing shock-absorbing sleeve of mat.
In the present invention, also have following technical characterictic: described shock-absorbing sleeve is made by rubber, plastic cement or rubber-plastics material.
The present invention is to leaving the gap between loud speaker and the speaker base, the loud speaker syndeton adopts movable, loud speaker can minute movement, make loud speaker be in " floated " state, diaphragm of loudspeaker the place ahead does not form enclosed cavity, be a kind of accurate free space state, the additional forces that the diaphragm of loudspeaker is subjected to greatly reduces, and its LF-response significantly promotes.
Also leave gap delta 2 in assembly structure mode of the present invention, this is in order to allow loud speaker be in " suspension " state.By this mode, be delivered to the shell vibration energy in the time of can greatly reducing speaker operation, thereby solved the machine shake problem of long-term puzzlement TV industry.
Because there is gap delta 1 in loud speaker with raising one's voice between the seat, the sound wave that send at the vibrating diaphragm back side can or can not be by this spaced winding to vibrating diaphragm the place ahead, does the sound wave formation interference with vibrating diaphragm sends previously cause " acoustic short circuit "?
Through scrutinizing and the actual tests test shows, fit of the present invention specially leaves gap delta 1, and when gap delta 1 is a suitable value, decides on diaphragm of loudspeaker area and the frequency values that needs to improve, the acoustic short circuit phenomenon can not occur, LF-response is improved.This is because the sound wave at the 1. loud speaker back sides is located acoustic impedance at narrow slit (gap delta 1) variation to have taken place, because narrow slit is very little, it is very big to decay when overwhelming majority acoustic energy behind passes, and is not enough to the sound wave in the place ahead is formed tangible interference; And the variation of acoustic impedance also brings the change of phase place, has variation about 180 ° in its phase place of sound wave of a certain low-frequency range, and this exactly can strengthen the low-frequency sound wave that vibrating diaphragm sends previously.2. as previously mentioned, diaphragm of loudspeaker the place ahead does not form enclosed cavity, is in a kind of accurate free space state, and the additional forces that the diaphragm of loudspeaker is subjected to greatly reduces, and the LF-response of loud speaker itself can get a promotion.
This shows that the present invention has overcome the close-connected technology prejudice of solution acoustic short circuit, adopt and the opposite interstitial structure form of tight connection, thereby solved problems such as machine shake and LF-response variation.
The present invention has realized the lifting of LF-response by changing the mounting structural mode of television internal loud speaker, and has solved the machine shake problem of long-term puzzlement TV industry dexterously, and practical, and easily row is easy to implement.And the lifting of television set LF-response before all often relates to the increase of cost, and the solution of machine shake problem then relates to the modification of structure mold and the increase of production technology measure, and can prolong time of product development.The present invention can effectively address the above problem, and can simplify structural designs such as casing, reduces cost.In addition, the present invention solves acoustic short circuit to prior art needs the theory of close-connected technology prejudice to overthrow, and the improvement of TV industry and other industry similar techniques is had important directive significance.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1 is the loud speaker and the casing assembly structure schematic diagram of prior art;
Fig. 2 is the I position enlarged drawing among Fig. 1;
1. TV shell; 2. loud speaker; 3. the press strip of loud speaker; 4. the basin frame of loud speaker; 5. screw; 9. speaker base; 10. double-screw bolt; The V enclosure space;
Fig. 3 is loud speaker of the present invention and casing assembly structure schematic diagram;
Fig. 4 is an II position enlarged drawing among Fig. 3;
Fig. 5 is the front view of the basin shelf structure embodiment one of loud speaker of the present invention;
Fig. 6 is the vertical view among Fig. 5;
Fig. 7 is the front view of the basin shelf structure embodiment two of loud speaker of the present invention;
Fig. 8 is the vertical view among Fig. 7.
1. TV shell; 2. loud speaker; 3. the press strip of loud speaker; 4. the basin frame of loud speaker; 4-1. protuberance arc; 4-2. mat; 5. screw; 6. shock-absorbing sleeve; 7. pad; 8. inner limited block; 9. speaker base; 10. double-screw bolt; Gap between δ 1 loud speaker and the speaker base; Gap between the basin frame of δ 2 loud speakers and shock-absorbing sleeve and the inside and outside guide vane end stop.
Embodiment
Referring to Fig. 3 and Fig. 4, the loud speaker 2 in the television set leaves gap delta 1 with the speaker base 9 on the casing 1, and gap delta 1 should be decided on loud speaker 2 vibrating diaphragm areas and the frequency values that needs to improve, and generally at 0.10-1.50mm, preferable range is at 0.30-1.0mm.
For make loud speaker 2 be in a kind of can be slightly state movably, or claim " suspensions " state, the structure that is linked and packed of loud speaker 2 and casing 1 has been carried out following improvement:
The inboard of the double-screw bolt 10 of casing 1 is provided with inner limited block 8, and the outer face of inner limited block 8 protrudes in speaker base 9 end faces, and outer guide vane end stop is located at double-screw bolt 10 outer ends, in the present embodiment, and the pad 7 that outer guide vane end stop is fixed by screw 5.
The connecting hole position of the basin frame 4 of loud speaker 2 is inlaid in the shock-absorbing sleeve 6, basin frame 4 and shock-absorbing sleeve 6 are sleeved on the double-screw bolt 10, shock-absorbing sleeve 6 is between inner limited block 8 and the pad 7, leave gap delta 2 between shock-absorbing sleeve 6 and the inside and outside guide vane end stop 8,6, make basin frame 4 and shock-absorbing sleeve 6 removable in gap delta 2 scopes, the range of choice 0.10-0.40mm of δ 2.Shock-absorbing sleeve 6 section shapes are as H shape, and the plate body of basin frame 4 is contained in the centre position, and shock-absorbing sleeve 6 both sides thickness are thicker, adopt rubber to make, and can effectively be out of shape shock-absorbing, subdue the transmitting vibrations energy, and then subdue set-shaking phenomenon.
By said structure as can be seen, loud speaker 2 does not have fastened connection, can be but be in along the slightly mobile state of double-screw bolt 10 axial directions, by this version, be delivered to the vibrational energy of casing 1 in the time of can greatly reducing loud speaker 2 work, thereby solved the machine shake problem of long-term puzzlement TV industry.
As the variation of a last embodiment, outer guide vane end stop can be a screw 5, and the head of screw diameter that makes screw 5 makes it block shock-absorbing sleeve 6 landings and gets final product greater than double-screw bolt 10 diameter parts.
Also can not adopt shock-absorbing sleeve 6, cover one rubber ring in the connecting hole of basin frame 4, the inside and outside outstanding connecting hole part of rubber ring, inside and outside slight when mobile when basin frame 4, make rubber ring touch inside and outside guide vane end stop.
Referring to Fig. 5 and Fig. 6,, be unfavorable for installing shock-absorbing sleeve 6 because basin frame 4 plate bodys are thinner.The circle protuberance arc 4-1 that stretches of the plate body place of the connecting hole of basin frame 4 is so that the fixing shock-absorbing sleeve 6 of protuberance arc 4-1.During installation, because the connecting hole outward flange of basin frame 4 has a breach, breach is communicated with connecting hole, can make shock-absorbing sleeve 6 from then on breach pack into, and support shock-absorbing sleeve 6 by swelling arc 4-1.
Referring to Fig. 7 and Fig. 8, the thickness for the connection hole that increases basin frame 4 can add one deck mat 4-2 in the connection hole, and mat 4-2 can be a mat made of paper, can play the effect of protuberance arc 4-1 equally.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection range of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. the television set of a built-in speaker, it comprises casing (1), speaker base (9), loud speaker (2), it is characterized in that leaving between loud speaker (2) and the speaker base (9) gap (δ 1), on the double-screw bolt that is sleeved on casing (1) (10) of basin frame (4) activity of loud speaker (2), double-screw bolt (10) medial and lateral are provided with guide vane end stop, basin frame (4) is between the inside and outside guide vane end stop, and leaves gap (δ 2).
2. television set according to claim 1 is characterized in that the inboard cylinder of double-screw bolt (10) is provided with inner limited block (8), and the outer face of inner limited block (8) protrudes in speaker base (9) end face, and outer guide vane end stop is located at double-screw bolt (10) outer end.
3. television set according to claim 1 and 2, the end face that it is characterized in that basin frame (4) is contained in the shock-absorbing sleeve (6), basin frame (4) and shock-absorbing sleeve (6) are sleeved on the double-screw bolt (10) of casing (1), shock-absorbing sleeve (6) is between inner limited block (8) and the outer guide vane end stop, makes basin frame (4) and shock-absorbing sleeve (6) removable in the scope of gap (δ 2).
4. television set according to claim 3 is characterized in that described outer guide vane end stop is the head of screw that is fixed on the screw (5) of double-screw bolt (10) outer face.
5. television set according to claim 3 is characterized in that described outer guide vane end stop is the screw gasket (7) that is fixed on double-screw bolt (10) outer face.
6. television set according to claim 1 is characterized in that described gap (δ 1) is in the 0.10-1.50mm scope.
7. television set according to claim 1 is characterized in that described gap (δ 2) is in the 0.15-0.40mm scope.
8. television set according to claim 3, the sleeve joint hole place that it is characterized in that described basin frame (4) and double-screw bolt (10) the circle protuberance arc (4-1) that stretches is so that the fixing shock-absorbing sleeve (6) of protuberance arc (4-1).
9. television set according to claim 3 is characterized in that the sleeve joint hole place of described basin frame (4) and double-screw bolt (10) is provided with mat (4-2), so that the fixing shock-absorbing sleeve (6) of mat (4-2).
10. television set according to claim 3 is characterized in that described shock-absorbing sleeve (6) made by rubber, plastic cement or rubber-plastics material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710013457A CN100583967C (en) | 2007-01-31 | 2007-01-31 | TV with built-in speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710013457A CN100583967C (en) | 2007-01-31 | 2007-01-31 | TV with built-in speaker |
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| Publication Number | Publication Date |
|---|---|
| CN101237545A true CN101237545A (en) | 2008-08-06 |
| CN100583967C CN100583967C (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710013457A Active CN100583967C (en) | 2007-01-31 | 2007-01-31 | TV with built-in speaker |
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| Country | Link |
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| CN (1) | CN100583967C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420956A (en) * | 2011-08-31 | 2012-04-18 | 厦门华侨电子股份有限公司 | Fixing structure of television speaker |
| CN102946577A (en) * | 2012-11-21 | 2013-02-27 | 宁波市环球宇斯浦电器有限公司 | Liquid crystal television bass boost system |
| CN103118316A (en) * | 2012-10-25 | 2013-05-22 | 青岛海信电器股份有限公司 | Electronic equipment with speaker box and panel television set |
| WO2017157085A1 (en) * | 2016-03-17 | 2017-09-21 | 广州视睿电子科技有限公司 | Speaker and vibration-damping structure for speaker |
| CN108959835A (en) * | 2018-09-28 | 2018-12-07 | 苏州上声电子股份有限公司 | Strength Simulation analysis method of the speaker frame in screw installation procedure |
-
2007
- 2007-01-31 CN CN200710013457A patent/CN100583967C/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420956A (en) * | 2011-08-31 | 2012-04-18 | 厦门华侨电子股份有限公司 | Fixing structure of television speaker |
| CN102420956B (en) * | 2011-08-31 | 2013-10-02 | 厦门华侨电子股份有限公司 | Fixing structure of television speaker |
| CN103118316A (en) * | 2012-10-25 | 2013-05-22 | 青岛海信电器股份有限公司 | Electronic equipment with speaker box and panel television set |
| CN103118316B (en) * | 2012-10-25 | 2016-01-20 | 青岛海信电器股份有限公司 | There is electronic equipment and the panel TV set of sound equipment |
| CN102946577A (en) * | 2012-11-21 | 2013-02-27 | 宁波市环球宇斯浦电器有限公司 | Liquid crystal television bass boost system |
| WO2017157085A1 (en) * | 2016-03-17 | 2017-09-21 | 广州视睿电子科技有限公司 | Speaker and vibration-damping structure for speaker |
| US10708678B1 (en) | 2016-03-17 | 2020-07-07 | Guangzhou Shirui Electronics Co., Ltd. | Loudspeaker and loudspeaker shock absorption structure |
| US10750264B2 (en) | 2016-03-17 | 2020-08-18 | Guangzhou Shirui Electronics Co., Ltd. | Loudspeaker and loudspeaker shock absorption structure |
| US11089394B2 (en) | 2016-03-17 | 2021-08-10 | Guangzhou Shirui Electronics Co. Ltd. | Loudspeaker and loudspeaker shock absorption structure |
| CN108959835A (en) * | 2018-09-28 | 2018-12-07 | 苏州上声电子股份有限公司 | Strength Simulation analysis method of the speaker frame in screw installation procedure |
| CN108959835B (en) * | 2018-09-28 | 2023-10-13 | 苏州上声电子股份有限公司 | Intensity simulation analysis method of loudspeaker basin stand in screw installation process |
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| Publication number | Publication date |
|---|---|
| CN100583967C (en) | 2010-01-20 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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