CN1809222A - Speaker drive apparatus and method - Google Patents
Speaker drive apparatus and method Download PDFInfo
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- CN1809222A CN1809222A CN 200510045688 CN200510045688A CN1809222A CN 1809222 A CN1809222 A CN 1809222A CN 200510045688 CN200510045688 CN 200510045688 CN 200510045688 A CN200510045688 A CN 200510045688A CN 1809222 A CN1809222 A CN 1809222A
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Abstract
This invention relates to a loudspeaker driving device of the loudspeaker that is installed on the up side of the television, which has the following components: the loudspeaker body installed inside the case; the driving part fixed inside the case; the rack that extends out of the driving part's output end and can do line movement; and one end of the device is connected with the rack, the other end is connected with the loudspeaker body, and there is at least one chain axis in the connecting parts, and it has the freely rotating chain link; the loudspeaker body and the case have the leading module that lead the action of the loudspeaker. This invention can arrange the loudspeaker at the inside or the outside of the television according to the users' demand. Besides, this invention can do the loudspeaker content uplifting course stably, especially can prevent the over burthen of the electromotor, which can improve the safe effect of the device running and avoid the friction from the product's shape and the connecting part.
Description
Technical field
The present invention relates to a kind of television set, particularly a kind of under normal condition, does not expose the inside that loud speaker is placed in television set, and in use, loud speaker lifts the outside at television set, makes the user enjoy the speaker driving apparatus and the driving method thereof of finer tonequality.
Background technology
In recent years, popularizing under the situation that enlarges gradually of home theater (Home theater), HD high-definition television, the digital laser disc of DVD etc., be in and also can realize image and acoustics, so television set is just becoming the medium that transmit new image and coming on stage with glittering appearance as movie theatre.In this case,, often be provided with center loudspeaker (center speaker), look the more melodized sound equipment quality of hearer's enjoyment thereby make at the television set upside in order on television set, to show the acoustics of 5.1 channels of supporting by DVD.The upside that above-mentioned center loudspeaker is arranged on television set in general lifts use.
When above-mentioned center loudspeaker was user's audiovisual 5.1 channel laser discs, loud speaker lifted to the upside outside, made that to look the tonequality that the hearer hears more melodized.But, during the general played in stereo of audiovisual, also wish to have an additional structure that lifts loud speaker to upside.
Therefore, when stating center loudspeaker in the use, loud speaker lifts outward, makes the user enjoy more melodized tonequality, and the user is during without the DVD audiovisual, and loud speaker just enters into the inside of television set, so the television set outward appearance is just more attractive in appearance.
In addition, not under the situation of DVD with the general broadcast of 5.1 channel sound equipments, because use the center loudspeaker that is arranged on television set central authorities, not only make sound equipment better realize melodized tonequality, simultaneously, can arbitrarily be placed on the inside or the outside of television set to center loudspeaker, make the image of itself and advanced television machine more coordinate to have changed.If also can use when wanting to listen surround sound.
Summary of the invention
The present invention proposes in order to reach above-mentioned requirements, can be by user's requirement, when being unwilling, loud speaker can be placed on the inside of television set, and the user is when being ready, can carry away loud speaker from television set inside, be placed on the television set outside, reaching the finer tonequality of audiovisual that the user is willing to and the television set center loudspeaker is provided is purpose.
Another purpose provides a kind of speaker driving apparatus that loud speaker is carried away/regain that can be reliable and stable in television set.
Another purpose is for a kind of loudspeaker driving method.
In order to reach aforesaid purpose, technical scheme of the present invention is by the loud speaker that is loaded on the television set upside; Be loaded on the loud speaker body of above-mentioned enclosure interior; Be fixed in the drive division in the above-mentioned housing; Can make it do straight-line tooth bar in that the output of above-mentioned drive division is extended; One end is connected in above-mentioned tooth bar, and the other end is connected in above-mentioned loud speaker body, has a chain rivet at least among each above-mentioned connecting portion, and has the chain link that freely rotates; And form at the guidance set that above-mentioned this body action of loud speaker of guiding is housed with above-mentioned loud speaker body and the corresponding position of above-mentioned housing.
The loud speaker aperture plate of on the lateral surface of above-mentioned loud speaker front, placing; Periphery at above-mentioned loud speaker aperture plate is provided with several outstanding grizzly bars, is for after placing the loud speaker aperture plate, ties up above-mentioned loud speaker aperture plate on the loud speaker body with tape.
In the inside of above-mentioned drive division, be provided with brake axle and braked wheel at least in order to reduce the velocity of rotation of sending by motor.
For above-mentioned chain link being fixed on the specified altitude of above-mentioned loud speaker body downside, the chain link support has been installed in above-mentioned loud speaker body interior.
Above-mentioned chain link has at least two places to be connected with above-mentioned loud speaker body.
Speaker driving apparatus of the present invention is to produce the device body by being installed on raising of television set external shell body; Combine fixing drive division with above-mentioned housing; Be loaded on the tooth bar of above-mentioned drive division output; One end links to each other with the end of above-mentioned tooth bar with chain rivet, and the chain link that the other end and above-mentioned loud speaker body link to each other with chain rivet; Among above-mentioned loud speaker body and above-mentioned external shell, make the loud speaker rotary middle spindle therein on one and for the above-mentioned loud speaker rotary middle spindle that leads, on above-mentioned loud speaker body and in the above-mentioned external shell another, make loud speaker and rotate guider; The limiter that also is included as the above-mentioned loud speaker body slewing area of restriction is formed
In above-mentioned drive division, be equipped with in order to reduce the reduction part of motor velocity of rotation; When above-mentioned loud speaker body arrives the dead point, in order to prevent the motor overload overload is housed and prevents portion.
The outstanding upside that is contained in above-mentioned housing of above-mentioned limiter, in the upper end of above-mentioned limiter in order to make big capitiform with above-mentioned loud speaker body phase resistance.
Comprise in order to make the rotation of above-mentioned loud speaker body slyness, be pressurized to the elastic force of regulation on the support of following side cover downside of above-mentioned loud speaker body.
The above-mentioned support of side cover down is to prolong the spring guide of making by the upside at above-mentioned housing; Be enclosed within the spring on the outer peripheral face of above-mentioned spring guide, the spring lower end contacts with above-mentioned loud speaker body, and the above-mentioned spring guide expanded end of the last end bearing of spring.
The rotary middle spindle of above-mentioned loud speaker is contained in the side of loud speaker body.
From another enforcement power as seen, speaker driving apparatus of the present invention is by the loud speaker body that is contained in the television set external shell; The drive division of relative fixed in above-mentioned housing; Be contained in the tooth bar of above-mentioned drive division deferent segment; One end of above-mentioned tooth bar combines with above-mentioned loud speaker body, and the chain link that has at least a place to link to each other with chain rivet; Among the side and above-mentioned external shell of above-mentioned loud speaker body, wherein any one make the loud speaker bolster and for above-mentioned loud speaker bolster to a direction guiding, make narrow groove in the side of another part that does not have above-mentioned loud speaker bolster.
Be included in the reduction part that is equipped with in the above-mentioned drive division to the velocity of rotation that reduces motor; In above-mentioned loud speaker body arrival dead point, prevent portion for preventing the overladen overload of motor.
Make above-mentioned narrow groove in the side of above-mentioned housing.
The loud speaker body that comprises the external shell that is installed in above-mentioned television set; The drive division of relative fixed in above-mentioned housing; Be equipped with at the output of above-mentioned drive division and do straight-line tooth bar; One end is connected with above-mentioned tooth bar, and the other end is connected with above-mentioned loud speaker body, and it has a chain link that combines and can freely rotate with chain rivet at least in the connecting portion of both sides; And the connected mode that is contained in a plurality of gears in the above-mentioned drive division is carried out speed change, and when above-mentioned loud speaker body reaches the dead point, prevent assembly for preventing the overladen overload of motor.
Above-mentioned overload prevents that assembly from being by gear shaft; Be set in the driving gear from outside input rotatory force of said gear axle; With above-mentioned tooth bar engagement, be set in the driven gear of said gear axle; In order to regulate the adhesion between above-mentioned driving gear and the driven gear, be set in the leaf spring on the gear shaft again; Also comprise above-mentioned rolling-in portion.
Two packing rings respectively are equipped with in the both sides that also are included in above-mentioned driving gear.
Above-mentioned overload prevents that assembly from being by two gears that form input side and outlet side; Also comprise the adjusting part of establishing in order to regulate above-mentioned two gear contact forces.
On the above-mentioned adjusting part to the leaf spring of any one pressurization among above-mentioned two gears; Also comprise the portion of tightening to above-mentioned leaf spring pressurization.
Comprise also that among above-mentioned two gears any one produces another and slides, on the contact-making surface of two gears, place two with upper gasket.
Two above-mentioned gears are with being enclosed within on the gear shaft.
Above-mentioned leaf spring is placed on the gear of two outlet sides in the gear.
Loudspeaker driving method of the present invention is that motor driven begins the stage of drive motor after the time on inspection; The rotation of loud speaker reaches in the dead point, and it is moving that motor still continues idle running, is the stage that transmission of power stops; Surpass the above-mentioned motor driven time and finish the electric motor driven end of a period stage.
The transmission of power stop phase is to implement by the slip between driving gear and the driven gear.
The present invention compared with prior art, the present invention can be by user's requirement, when being unwilling, loud speaker can be placed on the inside of television set, and the user can lift loud speaker from television set inside when being ready, be placed on the television set outside, reach the effect of the finer tonequality that the user is willing to.
Also has the content of carrying out loud speaker that the present invention can be stable/lift process.
Especially the overload of motor be can prevent,, the shape of product and the effect of connecting portion friction prevented in addition so can improve the effect of the safety in operation of equipment.
Description of drawings
Fig. 1 is center loudspeaker is equipped with in expression by a thinking of the present invention television set schematic diagram.
Fig. 2 is the schematic diagram of expression by this body action of thinking explanation loud speaker of the present invention.
Fig. 3 is the decomposition texture schematic diagram of speaker driving apparatus of the present invention.
Fig. 4 is the structural representation of side cover inside under being illustrated in the speaker driving apparatus.
Fig. 5 is the structural representation that is illustrated in drive division in the speaker driving apparatus.
Fig. 6 is the assembly structure schematic diagram that overload of the present invention prevents portion.
Fig. 7 is the decomposition texture schematic diagram that overload of the present invention prevents portion.
Fig. 8, the 9th, the schematic diagram of speaker driving apparatus action of the present invention, and Fig. 8 is the state of loud speaker body decline (using), Fig. 9 is the schematic diagram of the state of loud speaker body rising (in the use).
Figure 10 is the FB(flow block) of driving method of the present invention.
Figure 11 is the structural representation of another embodiment of speaker driving apparatus of the present invention.
Figure 12, the 13rd, the schematic diagram of another drive unit action of the embodiment of the invention.
The explanation of drawing major part symbol
2: housing; 3: the loud speaker body; 4: following side cover;
10: drive division; 20: the chain links support frame; 25: loud speaker;
30: loudspeaker support.
Embodiment
Fig. 1 is center loudspeaker is equipped with in expression by a thinking of the present invention television set schematic diagram.
Illustrate that with reference to Fig. 1 the television set that center loudspeaker is housed is by television set 1; Be contained in the loud speaker body 3 above the above-mentioned television set 1; And loud speaker body 3 is loaded on housing 2 inside, and the housing 2 of loud speaker body 3 knee-actions is formed.
Above-mentioned loud speaker body 3 is in housing 2 inside, moves by the drive source set, among action, along the guiding of above-mentioned housing 2, moves up and down very smoothly.In addition, above-mentioned housing 2 is as a part of television set and be fixed on the television set body.
Fig. 2 is the schematic diagram of expression by this body action of thinking explanation loud speaker of the present invention.
Illustrate that with reference to Fig. 2 loud speaker body 3 of the present invention is to comprise side cover 5 and following side cover 4; Portion is equipped with the loud speaker that sends sound equipment and makes the drive source of above-mentioned loud speaker body 3 knee-actions within it.
Also have, comprise by the outstanding loud speaker rotary middle spindle 7 in above-mentioned loud speaker body 3 sides; Be fixing above-mentioned rotary middle spindle 7, the loud speaker in above-mentioned housing 2 sides rotates fairlead 6 and forms.If the position that is provided with of above-mentioned loud speaker rotary middle spindle 7 and loud speaker rotation fairlead 6 is exchanged mutually, also can reach the effect same with the present invention.
With reference to above-mentioned structure, the action of the above-mentioned loud speaker body 3 of simple explanation.
Above-mentioned loud speaker body 3 is to finish motion by the drive source that is loaded on loud speaker body 3 inside, by its action, above-mentioned loud speaker body 3 is upwards lifted again.Detailed again say that to state loud speaker body 3 be to be that the direction that the arrow indication is pressed at the center is upwards rotated with above-mentioned loud speaker rotary middle spindle 7.
Such as sugg, in case above-mentioned loud speaker body 3 actions outwards lift loud speaker in the front of loud speaker body 3 (is the left side of benchmark with Fig. 2), thereby sound equipment outwards blaze abroad.
How to move in order to further specify loud speaker body 3, need the internal structure of detailed observation loud speaker body 3.
Fig. 3 is the decomposing schematic representation of speaker driving apparatus of the present invention.
Describing speaker driving apparatus of the present invention with reference to Fig. 3 is made up of above-mentioned housing 2 and last side cover 5.And, in the inside of above-mentioned side cover 4 down with in its outside many devices being housed, division is as follows in detail again.
The drive signal of outer portion is outwards exported the loud speaker 25 of sound equipment by being loaded on above-mentioned side cover down 4 inside; Be loaded on the above-mentioned aperture plate 30 of the loud speaker of side cover 4 outside front down; Be fixed in above-mentioned housing 2 and the drive division 10 of power is provided to above-mentioned downside lid 4; Be loaded on above-mentioned down side cover 4 medial surfaces and accept to form by the chain link support 20 of above-mentioned drive division 10 transferring power.
Above-mentioned loud speaker 25 is to lean against down the pillar of making side cover 4 inside and connect.The loud speaker ways of connecting is not only to be limited in by several pillars and screw certainly.
The aperture plate 30 of above-mentioned loud speaker is the outside front that is contained in loud speaker, thus can't see the inside of loud speaker body 3 from the outside, so outward appearance is more attractive in appearance.In addition, make a plurality of projection grizzly bars 31 in the periphery of above-mentioned loud speaker aperture plate 30.Above-mentioned projection grizzly bar 31 is to make with the same metal material of aperture plate 30 bodies, and is plate-shaped, on following side cover 4, loads onto earlier after the aperture plate 30 of loud speaker, and projection grizzly bar 31 usefulness bands are fixed on down on the side cover 4.Like this loud speaker aperture plate 30 is fixed on down within the side cover 4, can prevents to cause the vibrations of loud speaker aperture plate 30 owing to the vibrations of loud speaker 25.
Above-mentioned drive division 10 produces power, and is delivered to above-mentioned chain link support 20, and above-mentioned drive division 10 comprises that also a plurality of reduction gearing and overload prevent portion.
With reference to above-mentioned formation, the simple explanation power transmission process is as follows.
After the dynamic retarding that above-mentioned drive division 10 is produced, be delivered on the above-mentioned chain link support 20.In addition, just because of above-mentioned chain link support 20 is fixed on the above-mentioned downside cover 4, therefore, the motion of above-mentioned chain link support 20, with the motion of above-mentioned side cover 4 down and above-mentioned loud speaker body 3 all be synchronous.
The result, by being fixed in the drive division 10 in the housing 2, and when promoting chain link support 20, different with the drive division 10 that is fixed in housing 2, chain link support 20 just has the trend of changing position, and the displacement trend of chain link support 20 is the actions that can cause following side cover 4 and loud speaker body 3.Words of Xiang Xishuominging again, be fixed under the state of above-mentioned housing 2 at above-mentioned drive division 10, promote above-mentioned chain link support 20, be fixed with the following side cover 4 and the loud speaker body 3 of chain link support 20 so, chain rivet center with above-mentioned loud speaker rotary middle spindle 7 is that rotate at the center, as long as loud speaker body 3 rotates, loud speaker body 3 just upwards lifts, and makes loud speaker to having exposed outside thus.
Fig. 4 is the structural representation of side cover inside under being illustrated in the speaker driving apparatus.
Fig. 4 represents to open the above-mentioned side cover of going up to show that its all devices are installed on down the state diagram of side cover 4.
Illustrate that with reference to Fig. 4 speaker driving apparatus is by housing 2; The following side cover 4 that is loaded on housing 2 inside is formed.Observe in detail again, also by above-mentioned housing 2 is relatively fixed, and the drive division 10 that side cover 4 is down carried out relative motion; The chain link support 20 that combines with the drive end of above-mentioned drive division 10; Be loaded on down the loud speaker 25 of inboard, side cover 4 front; Be loaded on down the loud speaker aperture plate 30 of side cover 4 outside front; Form with the limiter 27 that projects upwards in housing 2.
Also having, for the above-mentioned action of side cover 4 down, must be stable the rotating in center with above-mentioned loud speaker rotary middle spindle 7, and the support 35 of time side cover has been installed at the back downside of following side cover 4.Detailed word again, the above-mentioned support 35 of side cover down are by being fixed in above-mentioned housing 2, and the spring guide pin 36 that projects upwards; Form with the spring 37 that is set in above-mentioned spring guide pin 36 peripheries.The support 35 of above-mentioned down side cover is to be used in the front end of side cover 4 moves up and down down, makes the upper-lower position relative fixed of rear end, by under the pressure of spring 37, guarantees the rear lateral portion of side cover 4 down, maintains on the original upper-lower position.
Action specification to the above-mentioned support 35 of side cover down is as follows: in above-mentioned 4 rotations of side cover down, wish that the above-mentioned rear side of side cover 4 down is to be in original fixing up and down state, if because the misoperation in the action, the trailing flank of above-mentioned down side cover 4 is moved up and down, and is that the above-mentioned action of side cover 4 down at center just can not have been carried out very flexibly with above-mentioned loud speaker rotation axis 7.Therefore, be fixed on the periphery of spring guide pin 36 of above-mentioned housing 2 and be with spring 37, the upper end of this bullet Huang 37 leans against the upper end of spring guide pin 36, and the lower end of its spring is pressed onto the above-mentioned bottom surface of side cover 4 down, come therefrom, prevented that the above-mentioned rear side of side cover 4 down from lifting.
Just because of this, the above-mentioned rear side of side cover 4 down not only is fixed on above-mentioned loud speaker rotary middle spindle 7, but also is fixed on down the support 35 of side cover, so following side cover 4 and loud speaker body 3 can very stable actions.
Above-mentioned limiter 27 is last side-prominent to above-mentioned housing 2, connects side cover 4 down and fixing.And, make big capitiform in the upper end of above-mentioned limiter 27, side cover 4 is risen in the certain altitude, the rising of side cover 4 is blocked down in the upper end of this limiter 27, so, prevent down that side cover 4 rises above the height of regulation.
Fig. 5 is the structural representation that is illustrated in drive division in the speaker driving apparatus.
Illustrate that with reference to Fig. 5 the drive division of drive unit is handle is slowed down and increase torque by the velocity of rotation of motor generation a reduction part 11; Become the power conversion that passes out by above-mentioned reduction part 11 interrupted overload of transmitting to prevent portion 12; Form the support housing 18 that above-mentioned overload prevents a plurality of gears of supporting of portion 12; The drive division base plate 17 that drive division 10 is used in housing 2; Be connected in overload and prevent the tooth bar 13 of the output of portion 12; Form with the chain link that links to each other previously 15 of above-mentioned tooth bar 13.
Describe in detail, the position that above-mentioned chain link 15 is connected with tooth bar 13 connects with the 1st chain rivet 14 again, so, when above-mentioned tooth bar 13 do seesaw in, the tooth bar 13 fixing concerning upper-lower position can only seesaw, 15 rotations of drive chain link.Then, become two forks to be connected at the end of above-mentioned chain link 15 branch with chain links support frame 20.
Also describe in detail, the position of above-mentioned chain links support frame 20 and chain link 15 combinations is connected with the 2nd chain rivet 16.Therefore, above-mentioned chain link 15 is done when seesawing, and advances above-mentioned chain link 15 by tooth bar 13, and so above-mentioned chain link 15 is just done relative rotation with chain links support frame 20.
Above-mentioned reduction part 11 is the increases for slow down reliably rotation and torque, comprises that motor reaches by the brake axle of accepting motor power and braked wheel; For reducing the big and small gear composition that velocity of rotation is contacted.
Above-mentioned overload prevents that portion 12 from comprising at least two gears, between gear, the rotatory force of transmitting is converted to the rotatory force of intermittence, side cover 4 rises to after the certain height instantly, in the time of can not rising, above-mentioned overload prevents that portion 12 from will interrupt the effect of transferring power between gear again.Above-mentioned overload prevents that the detailed formation of portion 12 is presented below.
Fig. 6 is the assembly structure schematic diagram that overload of the present invention prevents portion, and Fig. 7 is the decomposition texture schematic diagram that overload of the present invention prevents portion.
With reference to Fig. 6,7 explanations, above-mentioned overload prevents that portion 12 from being the driving gear 121 by the power of accepting to pass over from above-mentioned reduction part 11; Driven gear 126 with above-mentioned tooth bar 13 engagements; Be inserted into the gear shaft 123 in above-mentioned driving gear 121 and the driven gear 126; Pad is at the packing ring 122 of above-mentioned driving gear about in the of 121; In order to make on the gear shaft 123 two gears 121,126 be enclosed within leaf spring 124 on the said gear axle 123 in conjunction with (both elastic-restoring forces) with elastic force; The above-mentioned leaf spring 124 of rolling-in and can provide elastic force both the portion of tightening that regulates of elastic-restoring force 125 form.
The action specification that above-mentioned overload is prevented portion 12 is as follows.
Pass out rotatory force from above-mentioned reduction part 11, just at first drive driving gear 121 with reduction part 11 engagements, then, the dynamics of backup plate spring 124 added elastic-restoring forces, the driven gear 126 that combines with above-mentioned driving gear 121 is rotated, and above-mentioned driven gear 126 and tooth bar 13 engagements move forward and backward tooth bar 13.
On the one hand, the above-mentioned rising of side cover 4 down/when having dropped to the dead point, the driven tooth gear 126 that meshes with above-mentioned tooth bar 13 just can't rotate.But, the motor of this moment still is being rotated further, and driving gear 121 also is rotated further, at this moment, be added to the load of driven gear 126, the stiction that will produce above contact between above-mentioned driving gear 121 and the driven gear 126 by tooth bar, so, though above-mentioned driving gear 121 is rotating,, driven gear 126 just can not rotate.The thrust of above-mentioned stiction backup plate spring 124 elastic recovering forces produces, in case surpassed above-mentioned stiction, produces just and between the packing ring 122 and slides, and so, makes between driving gear 121 and the driven gear 126 and just skids mutually.
That is to say that above-mentioned driving wheel 121 and driven pulley 126 are mutually in idle running.As a result, when transmitting rotatory force by motor, driving gear 121 is to rotate, and driven gear 126 has not just rotated.At this moment, just be called overladen intermittently, and then realized the function of overload protection.
When having only the height of rising/declines of above-mentioned down side cover 4 not reach the dead point, in order to prevent that driving gear 121 and driven gear 126 from mutually dallying, stress on the driving wheel above-mentioned leaf spring 124 by the above-mentioned portion 125 of tightening with certain dynamics.
Fig. 8, the 9th, the schematic diagram of speaker driving apparatus action of the present invention, and Fig. 8 is the state of loud speaker body decline (using), Fig. 9 is the schematic diagram of the state of loud speaker body rising (in the use).
Further specify with reference to Fig. 8,9, mainly form by housing 2 and loud speaker body 3.And therein, also have with respect to above-mentioned housing 2 and fixing drive division 10; Accept the tooth bar 13 of the driving force of above-mentioned drive division 10.Have again, fix, and loud speaker body 3 is formed to the loud speaker rotary middle spindle 7 and the chain link support 20 of the central shaft of a direction rotation with respect to loud speaker body 3.
When moving, above-mentioned tooth bar 13 front and back just push away chain link 15, so, and about above-mentioned chain link 15 is done by the 1st chain rivet 14 and the 2nd chain rivet 16/action of freely rotating of front and back.As a result, above-mentioned chain link 15 pushes away the chain link support 20 that is fixed in loud speaker body 3, thereby it is upwards lifted, and so driving whole loud speaker body 3, is that upwards rise at the center with above-mentioned loud speaker rotary middle spindle 7.
Just as described above, above-mentioned chain link 15 rotates for possessing and rotates freely for the chain link 15, above-mentioned tooth bar 13 is fixed under the state of housing 2, can only do the motion of fore-and-aft direction, because the above-mentioned chain link support 20 that is connected with chain link 15 is the causes that are completely fixed in loud speaker body 3.That is to say that under the restrained situation of direction of action, the power that above-mentioned tooth bar 13 is pushed away is can only be delivered to chain link support 20 upward on the direction that pushes away.
The words that Fig. 8 and Fig. 9 compare, when loud speaker body 3 is the center rotation with loud speaker rotary middle spindle 7, above-mentioned chain link support 20 does not have variation on what relative position with respect to loud speaker body 3, and above-mentioned tooth bar 13 stretches out forward, when so above-mentioned chain link 15 moves forward, also rotate with clockwise.
Figure 10 is the FB(flow block) of driving method of the present invention.
With reference to Figure 10 driving method of the present invention is described, according to user's operation or the requirement in the television set action, makes motor rotate St 11, so, rotating motor after the motor driven time check causes the loud speaker body to move up and down St 12.Have only the driving time of above-mentioned motor to be, more bigger just more passable than 3 risings of above-mentioned loud speaker body or the required time of whole process that descends.The purpose of so doing is, having under the situation of certain error, can prevent that loud speaker body 3 from not moving to the position of rising or descending fully.If because of error in processing or the error that takes place among process of producing product, when the driving time of actual needs was longer than the motor driven time of setting, loud speaker body 3 just might not reach on the position of rising or descent direction.
After loud speaker body 3 has reached rising or down position fully, can also not reach the scheduled time because of the motor driven time yet, then motor still is rotated further.For preventing the overload phenomenon of motor, above-mentioned overload this moment prevents that portion 12 from beginning to start therefore, even the loud speaker body does not rotate, overload can not be added on the motor side, and other each mechanical parts except that overload prevents portion do not produce friction St 13 yet.At this moment, motor is in idle running.
Preventing under the overladen state, crossing motor driven after the time, motor is with regard to stall, so the driving of the loud speaker St 14 that is through with.
Figure 11 is the structural representation of another embodiment of speaker driving apparatus of the present invention.
Another example of the present invention is the same with former example in a lot of parts, and just loud speaker body 3 is not to rotate with the fulcrum of regulation, and the difference that loud speaker body 3 is only gone forward side by side and moved.
Words with reference to Figure 11 explanation, the rotary middle spindle 7 that is contained in the loud speaker on the following side cover 4 traditional among the former example be contained among the former example loud speaker on the housing 2 and rotate after fairlead 6 removes, and be contained in down on the side cover 4 loud speaker bolster 9 and for above-mentioned loud speaker bolster 9 is play the guiding role, replace and opened a long and narrow groove 41 in the side of above-mentioned housing 2.
Also have, though diagram not, be not with among 16 two of the 1st chain rivet 14 and the 2nd chain rivets one or all chain rivet be that rotate at the center, but firm being fixed up of above-mentioned chain rivet.
In addition, also need not the above-mentioned support portion 35 and the limiter 27 of side cover down.
Aforesaid the sort of structure, above-mentioned loud speaker body 3 is not to rotate, but the motion of going forward side by side.That is to say that above-mentioned loud speaker bolster 9 carries out guiding movement along above-mentioned narrow groove 41, therefore, loud speaker body 3 motion of just can going forward side by side.
Figure 12, the 13rd, the schematic diagram of another drive unit action of the embodiment of the invention.Figure 12 is the schematic diagram of loud speaker body 3 decline states (in not using), and Figure 13 is the schematic diagram of loud speaker body propradation (in the use).
Illustrate that with reference to Figure 12 and Figure 13 loud speaker body 3 carries out the front and back motion of going forward side by side by the guiding of loud speaker bolster 9 and narrow groove 41.Especially above-mentioned chain link 15 and chain links support frame 20 each other/or chain link 15 and tooth bar 13 do not have the effect of chain rivet each other, carry out the displacement campaign but become one.
Claims (24)
1, a kind of speaker driving apparatus is characterized in that by the loud speaker that is loaded on the television set upper side; Be loaded on the loud speaker body of above-mentioned enclosure interior; Be fixed in the drive division of above-mentioned housing; Can make it do straight-line tooth bar in that the output of above-mentioned drive division is extended; One end is connected in above-mentioned tooth bar, and the other end is connected in above-mentioned loud speaker body, has a chain rivet at least among each above-mentioned connecting portion, and has the chain link that freely rotates; And form at the guidance set that above-mentioned this body action of loud speaker of guiding is housed with above-mentioned loud speaker body and the corresponding position of above-mentioned housing.
2, drive unit according to claim 1 is characterized in that described loud speaker, the loud speaker aperture plate of placing on the lateral surface of above-mentioned loud speaker front; Outer peripheral face at above-mentioned loud speaker aperture plate is provided with several outstanding grizzly bars, is for after placing the loud speaker aperture plate, ties up above-mentioned loud speaker aperture plate on the loud speaker body with tape.
3, drive unit according to claim 1 is characterized in that the inside of above-mentioned drive division being provided with brake axle and braked wheel at least in order to reduce the velocity of rotation of being sent by motor.
4, drive unit according to claim 1 is characterized in that described chain link, for above-mentioned chain link being fixed on the specified altitude of above-mentioned loud speaker body downside, in above-mentioned loud speaker body interior the chain link support has been installed.
5, drive unit according to claim 1 is characterized in that above-mentioned chain link has at least two places to be connected with above-mentioned loud speaker body.
6, a kind of speaker driving apparatus is characterized in that by the loud speaker body that is installed on the television set external shell; Combine fixing drive division with above-mentioned housing; Be loaded on the tooth bar of above-mentioned drive division output; One end links to each other with the end of above-mentioned tooth bar with chain rivet, and the chain link that the other end and above-mentioned loud speaker body link to each other with chain rivet; Among above-mentioned loud speaker body and above-mentioned external shell, make the loud speaker rotary middle spindle therein on one and for the above-mentioned loud speaker rotary middle spindle that leads, on above-mentioned loud speaker body and in the above-mentioned external shell another, make loud speaker and rotate guider; The limiter that also is included as the above-mentioned loud speaker body slewing area of restriction is formed.
7, drive unit according to claim 6 is characterized in that described drive division, is equipped with in above-mentioned drive division in order to reduce the reduction part of motor velocity of rotation; When above-mentioned loud speaker body arrives the dead point, in order to prevent the motor overload overload is housed and prevents portion.
8, drive unit according to claim 6 is characterized in that limiter, the outstanding upside that is contained in above-mentioned housing of above-mentioned limiter, in the upper end of above-mentioned limiter in order to make big capitiform with above-mentioned loud speaker body phase resistance.
9, drive unit according to claim 6 is characterized in that comprising in order to make the rotation of above-mentioned loud speaker body slyness, is pressurized to the elastic force of regulation on the support of following side cover downside of above-mentioned loud speaker body.
10, drive unit according to claim 9 is characterized in that the above-mentioned support of side cover down is to prolong the spring guide of making by the upside at above-mentioned housing; Be enclosed within the spring on the outer peripheral face of above-mentioned spring guide, the spring lower end contacts with above-mentioned loud speaker body, and the above-mentioned spring guide expanded end of the last end bearing of spring.
11, drive unit according to claim 6 is characterized in that described rotary middle spindle, the rotary middle spindle of above-mentioned loud speaker is contained in the side of loud speaker body.
12, a kind of speaker driving apparatus is characterized in that comprising the loud speaker body that is installed in the television set external shell; The drive division of relative fixed in above-mentioned housing; Be contained in the tooth bar of above-mentioned drive division deferent segment; One end of above-mentioned tooth bar combines with above-mentioned loud speaker body, and the chain link that has at least a place to link to each other with chain rivet; Among the side and above-mentioned external shell of above-mentioned loud speaker body, wherein any one make the loud speaker bolster and for above-mentioned loud speaker bolster to a direction guiding, make narrow groove in the side of another part that does not have above-mentioned loud speaker bolster.
13, drive unit according to claim 12 is characterized in that also being included in the reduction part that is equipped with in the above-mentioned drive division to the velocity of rotation that reduces motor; In above-mentioned loud speaker body arrival dead point, prevent portion for preventing the overladen overload of motor.
14, drive unit according to claim 12 is characterized in that making in the side of above-mentioned housing above-mentioned narrow groove.
15, a kind of speaker driving apparatus is characterized in that comprising the loud speaker body of the external shell that is installed in above-mentioned television set; The drive division of relative fixed in above-mentioned housing; Be equipped with at the output of above-mentioned drive division and do straight-line tooth bar; One end is connected with above-mentioned tooth bar, and the other end is connected with above-mentioned loud speaker body, and it has a chain link that combines and can freely rotate with chain rivet at least in the connecting portion of both sides; And the connected mode that is contained in a plurality of gears in the above-mentioned drive division is carried out speed change, and when above-mentioned loud speaker body reaches the dead point, prevent assembly for preventing the overladen overload of motor.
16, drive unit according to claim 15 is characterized in that above-mentioned overload prevents that assembly from being by gear shaft; Be set in the driving gear from outside input rotatory force of said gear axle; With above-mentioned tooth bar engagement, be set in the driven gear of said gear axle; In order to regulate the adhesion between above-mentioned driving gear and the driven gear, be set in the leaf spring on the gear shaft again; Also comprise above-mentioned rolling-in portion.
17, drive unit according to claim 16 is characterized in that the both sides that also are included in above-mentioned driving gear respectively are equipped with two packing rings.
18, drive unit according to claim 15 is characterized in that above-mentioned overload prevents that assembly from being by two gears that form input side and outlet side; Also comprise the adjusting part of establishing in order to regulate above-mentioned two gear contact forces.
19, drive unit according to claim 18 is characterized in that described adjusting part is included on the above-mentioned adjusting part leaf spring to any one pressurization among above-mentioned two gears; Also comprise the portion of tightening to above-mentioned leaf spring pressurization.
20, drive unit according to claim 18 is characterized in that also comprising among above-mentioned two gears, and any one produces another and slides, and places two with upper gasket on the contact-making surface of two gears.
21, drive unit according to claim 18 is characterized in that above-mentioned two gears are with being enclosed within on the gear shaft.
22, drive unit according to claim 18 is characterized in that above-mentioned leaf spring is placed on the gear of two outlet sides in the gear.
23, the driving method of the described device of a kind of claim 1 is realized as follows,
1), motor driven begins the stage of drive motor after the time on inspection;
2), the rotation of loud speaker reaches in the dead point, it is moving that motor still continues idle running, is the stage that transmission of power stops;
3), surpass the above-mentioned motor driven time and finish the electric motor driven end of a period stage.
24, driving method according to claim 23 is characterized in that described transmission of power stop phase is to implement by the slip between driving gear and the driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045688 CN1809222A (en) | 2005-01-18 | 2005-01-18 | Speaker drive apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045688 CN1809222A (en) | 2005-01-18 | 2005-01-18 | Speaker drive apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1809222A true CN1809222A (en) | 2006-07-26 |
Family
ID=36840859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510045688 Pending CN1809222A (en) | 2005-01-18 | 2005-01-18 | Speaker drive apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1809222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218942A (en) * | 2018-10-30 | 2019-01-15 | 歌尔科技有限公司 | Loudspeaker mould group and VR helmet |
| RU2740860C2 (en) * | 2016-04-29 | 2021-01-21 | Бурместер Аудиосистем ГмбХ | Loudspeaker |
-
2005
- 2005-01-18 CN CN 200510045688 patent/CN1809222A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2740860C2 (en) * | 2016-04-29 | 2021-01-21 | Бурместер Аудиосистем ГмбХ | Loudspeaker |
| CN109218942A (en) * | 2018-10-30 | 2019-01-15 | 歌尔科技有限公司 | Loudspeaker mould group and VR helmet |
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Owner name: NANJING LG XINGANG DISPLAY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (SHENYANG) CO., LTD. Effective date: 20070316 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20070316 Address after: 210038 No. 346 Yao Yao Avenue, Nanjing economic and Technological Development Zone, Jiangsu, China Applicant after: LG Electronics Nanjing Display Co., Ltd. Address before: 110179 No. 3540 hi tech Development Zone, Liaoning, Shenyang Applicant before: LG Electronic (Shenyang) Co., Ltd. |
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