CN105848041A - Matched film-group voice box and television with same built in - Google Patents
Matched film-group voice box and television with same built in Download PDFInfo
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- CN105848041A CN105848041A CN201510015973.7A CN201510015973A CN105848041A CN 105848041 A CN105848041 A CN 105848041A CN 201510015973 A CN201510015973 A CN 201510015973A CN 105848041 A CN105848041 A CN 105848041A
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Abstract
The invention relates to an acoustical television voice box, and in particular relates to a matched film-group voice box and a television with the same built in. The matched film-group voice box comprises a box body, and a loudspeaker unit and a matched film-group respectively installed in the box body, wherein the matched film-group comprises a front bass radiator installed on the front box wall in the box and a rear bass radiator installed on the rear box wall in the box, the front bass radiator and the rear bass radiator are correspondingly arranged, the loudspeaker unit is installed on the front box wall, and arranged in a the shape of a rectangular array with the front bass radiator; and the distance between the front and rear bass radiators in the matched film-group is less than the diameter of each loudspeaker in the loudspeaker unit. The loudspeaker unit and the front and rear bass radiators in the matched film-group are arranged in the shape of the rectangular array, the matched film-group can be driven by low-frequency sound airflows more smoothly, and thus the bass is improved; meanwhile, the voice coil amplitude of each loudspeaker unit is greatly reduced, the voice coil always works at the best center position of a magnetic field, and thus the electroacoustic conversion efficiency of the loudspeaker is improved, and the degree of distortion is reduced.
Description
Technical field
The present invention relates to television with sounder audio amplifier, a kind of corresponding film group audio amplifier and the television set of this audio amplifier built-in.
Background technology
It is known that television technologies, especially flat panel TV machine technology quickly grow, people are more and more higher to the requirement of television set；And the quality pursuit of television set is two, one is that image is good, and one is that sound is good.Current panel TV set does thinner and thinner, and image is become better and better, but sound is along with doing thinner and thinner the most worse and worse, this be due to television set do thin after, size and the tank-volumes of speaker are restricted, and make the poor effect that bass pronounces.In Fujian science tech publishing house in " speaker and the audio amplifier design manual " that in July, 2008 publishes, disclose closed audio amplifier (page 60～67), open type audio amplifier (page 67～77), passive radiation audio amplifier (page 77～78).When these public technologies are used in panel TV set, owing to flat panel TV is thin, speaker size is smaller, and sound box volume is the least, the most poor by the television set tonequality of these public technologies, especially bass, almost just resets the most out.And speaker size strengthens, though audio amplifier strengthens can meet sound requirement, but it is difficult on large scale speaker and large scale loudspeaker box device to panel TV set.For solving this problem, propose outside panel TV set, the most separately add a sound bar, the most separately add a bar-shaped audio amplifier be placed in before television set and separately add a very large subwoofer (the traditional open type subwoofer done such as 200mm speaker), place on the ground, which not only adds occupation of land placing space area and installation workload, but also considerably increase cost.
Summary of the invention
In order to solve the problem of lower tone, it is an object of the invention to provide a kind of corresponding film group audio amplifier and the television set of this audio amplifier built-in.
It is an object of the invention to be achieved through the following technical solutions:
Correspondence film group audio amplifier of the present invention includes casing and is separately mounted to the loudspeaker unit in this casing, corresponding film group, wherein corresponding film group includes being arranged on the front bass irradiator on front tank wall in described casing and the rear bass irradiator being arranged in described casing on rear box wall, described front bass irradiator is correspondingly arranged with rear bass irradiator, described loudspeaker unit is arranged on this front tank wall, and arranges with described front bass irradiator rectangular array；The distance between forward and backward bass irradiator vibrating diaphragm in described corresponding film group is less than the diameter of each speaker in described loudspeaker unit.
Wherein: the loudspeaker unit in described rectangular array is positioned at same a line, in described rectangular array, front bass irradiator is positioned at same a line, and is expert at setting up and down with described loudspeaker unit；The front tank wall of described casing is divided into upper and lower two parts, and upper part installs the front bass irradiator in described corresponding film group, and this upper part caves in described box house, and lower part installs described loudspeaker unit；
Described front tank wall is divided into upper and lower two parts, every part to be mounted on the loudspeaker unit of rectangular array layout and front bass irradiator；Described loudspeaker unit in the rectangular array of every part is positioned at same string, and in described rectangular array, front bass irradiator is positioned at same string, and arranges with about described loudspeaker unit column；In two parts up and down of described front tank wall, any portion of front tank wall caves in described box house；In described front tank wall upper part, loudspeaker unit column, front bass irradiator column are arranged alternately with loudspeaker unit column, front bass irradiator column in lower part, i.e. in upper part in loudspeaker unit column and lower part before bass irradiator place be classified as same row, in upper part before bass irradiator column be classified as same row with loudspeaker unit place in lower part；
Any row in described rectangular array and either rank are equipped with at least one loudspeaker unit and bass irradiator before at least one, described loudspeaker unit in any row position corresponding with adjacent lines is front bass irradiator, and described front bass irradiator in any row position corresponding with adjacent lines is loudspeaker unit；
It is separated into multiple independent cavity by dividing plate in described casing, in each cavity, is mounted on described loudspeaker unit, front bass irradiator and rear bass irradiator；In described rectangular array, the loudspeaker unit with a line or with string merges into an entirety, and an entirety merged into by the front bass irradiator with a line or with string；In described casing, at least face is at the curved surface that is projected as of perpendicular, or the end face of described casing is circular or square；Described forward and backward bass irradiator is two identical passive vibrating diaphragms, contour is symmetrical arranged；In described loudspeaker unit, the vibrating diaphragm of each speaker is all arranged outside casing, described loudspeaker unit electroacoustic homophase；
The television set of the built-in corresponding film group audio amplifier of the present invention includes audio amplifier, left speaker and right speaker, described audio amplifier is arranged on the back side of television set as subwoofer, described left speaker and right speaker are identical speaker, are symmetrically mounted on the left and right sides of described television set；
Wherein: be separated into multiple independent cavity by dividing plate in the casing of described audio amplifier, in each cavity, be mounted on described loudspeaker unit, front bass irradiator and rear bass irradiator；In the rectangular array of described audio amplifier, the loudspeaker unit with a line or with string merges into an entirety, and an entirety merged into by the front bass irradiator with a line or with string；In the casing of described audio amplifier, at least face is at the curved surface that is projected as of perpendicular, or the end face of described casing is circular or square；Described television set has L channel, R channel and the output of subwoofer channel three road audio power, described L channel connects left speaker, described R channel connects right speaker, described subwoofer channel connects as the loudspeaker unit in the audio amplifier of subwoofer, and described L channel is electroacoustic be connected with connection and the subwoofer channel of right speaker with the connection of the audio amplifier as subwoofer with the connection of left speaker, R channel；Described television set has L channel and the output of R channel two-way audio power, its connected mode is that the output of left audio power connects left speaker by a LC high pass filter, and is connected as the loudspeaker unit of half quantity in the audio amplifier of subwoofer by a LC low pass filter；The output of described right audio channel power connects right speaker by another LC high pass filter, and is connected as the loudspeaker unit of second half quantity in the audio amplifier of subwoofer by another LC low pass filter.
Advantages of the present invention with good effect is:
1. the corresponding film group audio amplifier of the present invention, loudspeaker unit and the front bass irradiator rectangular array layout in corresponding film group, all-bottom sound air-flow is more smooth and easy to the driving of corresponding film group, makes bass get a promotion；Meanwhile, the voice coil loudspeaker voice coil amplitude of each loudspeaker unit is greatly reduced, and voice coil loudspeaker voice coil always works in the optimal center in magnetic field, and the electro-acoustic conversion efficiency of speaker improves, and the distortion factor reduces.
2. the audio amplifier volume of the present invention is little, lightweight, that especially thickness can do the thinnest (as 53mm is thick), can be easily installed in panel TV set as subwoofer, without the thickness of increase television set, the bass of panel TV set is made to be greatly improved
The loudspeaker unit of audio amplifier the most of the present invention uses many, can increase substantially the power of audio amplifier, reduce the power requirement of every loudspeaker unit in other words.
4. the audio amplifier of the present invention is little, thin, light, and profile is various, may be used in various sound system (such as automobile audio, sound equipment peculiar to vessel, civilian sound equipment etc.).
5. correspondence film group audio amplifier is arranged in panel TV set by the present invention as subwoofer, becomes the television set of built-in subwoofer, makes the tonequality of panel TV set be greatly improved.
6. the television set of the present invention has two speakers in left and right, main responsible intermediate frequency and high frequency, medium-high frequency sound wave can be directly radiated listening volume so that TV function obtains the loudest intermediate frequency and high frequency is reset.
The bass of television set the most of the present invention is produced by the audio amplifier as subwoofer, and middle pitch and high pitch are produced by left and right speaker, reduces power amplifier and the harmonic distortion of electroacoustic conversion and cross (talk) intermodulation distortion.
Accompanying drawing explanation
Figure 1A is the structural front view of correspondence film group audio amplifier embodiment one of the present invention；
Figure 1B is the vertical view cutaway drawing of Figure 1A；
Fig. 1 C is the left view sectional view of Figure 1A；
Fig. 2 A is the structural front view of correspondence film group audio amplifier embodiment two of the present invention；
Fig. 2 B is the left view sectional view of Fig. 2 A；
Fig. 3 A is the structural front view of correspondence film group audio amplifier embodiment three of the present invention；
Fig. 3 B is the left view sectional view of Fig. 3 A；
Fig. 4 A is the structural front view of correspondence film group audio amplifier embodiment four of the present invention；
Fig. 4 B is the left view sectional view of Fig. 4 A；
Fig. 5 A is the structural front view of correspondence film group audio amplifier embodiment five of the present invention；
Fig. 5 B is the vertical view cutaway drawing of Fig. 5 A；
Fig. 5 C is the left view sectional view of Fig. 5 A；
Fig. 6 A is the structural front view of correspondence film group audio amplifier embodiment six of the present invention；
Fig. 6 B is the left view sectional view of Fig. 6 A；
Fig. 7 A is the structural front view of correspondence film group audio amplifier embodiment seven of the present invention；
Fig. 7 B is the left view sectional view of Fig. 7 A；
Fig. 8 A is the structural front view of correspondence film group audio amplifier embodiment eight of the present invention；
Fig. 8 B is the left view sectional view of Fig. 8 A；
Fig. 9 A is the front view of the built-in corresponding film group audio amplifier television set of the present invention；
Fig. 9 B is the upward view of Fig. 9 A；
Fig. 9 C is the rearview of Fig. 9 A；
Fig. 9 D is the upward view of Fig. 9 C；
Figure 10 be the present invention this correspondence film group audio amplifier built-in television set in speaker and the connection diagram of audio amplifier and audio-frequency power amplifier as subwoofer；
Wherein: 1 is television set, 2 is audio amplifier, and 3 is left speaker, and 4 is right speaker, and 5 is front tank wall, and 6 is rear box wall, and 7 is loudspeaker unit, and 8 is front bass irradiator, and 9 is rear bass irradiator, and 10 is casing, and 11 is dividing plate.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Correspondence film group audio amplifier of the present invention includes casing 10 and is separately mounted to the loudspeaker unit 7 in this casing 10, corresponding film group, wherein corresponding film group includes being arranged on the front bass irradiator 8 on front tank wall 5 in casing 10 and the rear bass irradiator 9 being arranged in casing 10 on rear box wall 6, front bass irradiator 8 is correspondingly arranged with rear bass irradiator 9, loudspeaker unit 7 is arranged on this front tank wall 5, and arranges with front bass irradiator 8 rectangular array；The distance between forward and backward bass irradiator 8,9 vibrating diaphragm in corresponding film group is less than the diameter of each speaker in loudspeaker unit 7.
Embodiment one
As shown in figs. 1 a to 1 c, the casing 10 of the present embodiment is single-chamber body, and end face is circular, i.e. the rear box wall 6 of casing 10 be circle, and front tank wall 5 is projected as the circle identical with rear box wall 6 diameter at vertical direction；Loudspeaker unit 7 and front bass irradiator 8 that rectangular array is arranged are separately mounted on the front tank wall 5 of casing 10, wherein loudspeaker unit 7 is two, is positioned at same a line (being in the latter half of front tank wall 5), front bass irradiator 8 is positioned at same a line (being in the top half of front tank wall 5), and the front bass irradiator 8 in this row merges into an entirety, the top half of the front tank wall 5 at this front bass irradiator 8 place is paralleled with the latter half at loudspeaker unit 7 place to casing 10 inner recess, the top half of depression.Rear bass irradiator 9 is arranged on the rear box wall 6 of casing 10, is positioned at same a line, and merges into an entirety, and merges into an overall relative contour setting of front bass irradiator 8；Rear box wall 6 is the most parallel with the latter half at the top half that front tank wall 5 caves in and loudspeaker unit 7 place.Casing 10 can manufacture with die sinking injection moulding process, it is also possible to other material such as metal material (aluminum, ferrum), timber or plastics etc. manufacture.The casing 10 of the present embodiment uses die sinking injection moulding process manufacture, first according to installing environmental conditions, designs outward appearance, then designs frame for movement, last die sinking injection mo(u)lding.
Forward and backward bass irradiator 8,9 is identical bass irradiator, i.e. their manufacture material, and size and dimension etc. is the most identical；So-called bass irradiator, also known as passive passive low frequency radiation device, is again empty loudspeaker, and it does not has magnet magnetic circuit and voice coil loudspeaker voice coil, only vibrating diaphragm and support means thereof, is called for short film.Forward and backward bass irradiator 8,9 can be circular, it is also possible to is oval or square, shape can be flat board can also be taper；The present embodiment is elliptical plate formula bass irradiator.Bass irradiator vibrating diaphragm area and equal to or more than loudspeaker unit vibrating diaphragm area and, the present embodiment forward and backward bass irradiator 8,9 is opposing parallel contour to be symmetrically installed, forward and backward bass irradiator 8,9 vibrating diaphragm spacing is less than each single loudspeaker unit diameter in loudspeaker unit 7, and the present embodiment forward and backward bass irradiator 8,9 vibrating diaphragm spacing is 20mm.
The quantity of loudspeaker unit 7 can with 1～8, each loudspeaker unit vibrating diaphragm towards may be the same or different, but all loudspeaker units will acoustics homophase, or acoustics synchronize.Speaker can be circular can also be oval, its a size of 25mm～133mm, the present embodiment circular loudspeakers of two same diameter 66mm, and all vibrating diaphragm is all installed towards casing 10 is outer.
Embodiment two
As shown in Fig. 2 A, Fig. 2 B, the present embodiment is with the difference of embodiment one, the loudspeaker unit 7 being positioned at same a line merges into an oval entirety, casing 10 is square single-chamber body, and the outside dimension of the casing 10 of the present embodiment is: 150mm (wide) X140mm (high) X46mm (thick).Other are all identical with embodiment one.
Embodiment three
As shown in Fig. 3 A, Fig. 3 B, the casing 10 of the present embodiment is square single-chamber body, and the front tank wall 5 of casing 10 is equally divided into upper and lower two parts, and every part is mounted on loudspeaker unit 7 and the front bass irradiator 8 that rectangular array is arranged.The quantity of the loudspeaker unit 7 in the top half of front tank wall 5 is identical with the quantity of loudspeaker unit in the latter half 7, and the quantity of the front bass irradiator 8 in top half is identical with the quantity of the front bass irradiator 8 in the latter half.Loudspeaker unit 7 in the rectangular array of every part is positioned at same string, and in rectangular array, front bass irradiator 8 is positioned at same string, and arranges with about loudspeaker unit 7 column.In front tank wall 5 top half, loudspeaker unit 7 column, front bass irradiator 8 column are arranged alternately with loudspeaker unit in the latter half 7 column, front bass irradiator 8 column, i.e. in top half in loudspeaker unit 7 column and lower part before bass irradiator 8 place be classified as same row, in upper part before bass irradiator 8 column be classified as same row with loudspeaker unit 7 place in lower part.The present embodiment is respectively arranged two loudspeaker units 7 in top half and the latter half of front tank wall 5, and two loudspeaker units 7 of every part are positioned at same string；In the top half of front tank wall 5 and the latter half, front bass irradiator 8 is positioned at same string, and merges into an entirety, arranges with about loudspeaker unit 7 column.In two parts up and down of front tank wall 5, any portion of front tank wall 5 is to casing 10 inner recess, and the present embodiment is to be paralleled with top half to the inner recess of casing 10, the latter half of depression the latter half of front tank wall 5.
Rear bass irradiator 9 is arranged on the rear box wall 6 of casing 10, each the most corresponding rear bass irradiator 9 merging into entirety of front bass irradiator 8, the corresponding contour setting of forward and backward bass irradiator 8,9；Rear box wall 6 is the most parallel with the latter half at the top half that front tank wall 5 caves in and loudspeaker unit 7 place.Casing 10 can manufacture with die sinking injection moulding process, it is also possible to other material such as metal material (aluminum, ferrum), timber or plastics etc. manufacture.The casing 10 of the present embodiment uses die sinking injection moulding process manufacture, first according to installing environmental conditions, designs outward appearance, then designs frame for movement, last die sinking injection mo(u)lding.
Forward and backward bass irradiator 8,9 is identical bass irradiator, i.e. their manufacture material, and size and dimension etc. is the most identical；So-called bass irradiator, also known as passive passive low frequency radiation device, is again empty loudspeaker, and it does not has magnet magnetic circuit and voice coil loudspeaker voice coil, only vibrating diaphragm and support means thereof, is called for short film.Forward and backward bass irradiator 8,9 can be circular, it is also possible to is oval or square, shape can be flat board can also be taper；The present embodiment is elliptical plate formula bass irradiator.Bass irradiator vibrating diaphragm area and equal to or more than loudspeaker unit vibrating diaphragm area and, the present embodiment forward and backward bass irradiator 8,9 is opposing parallel contour to be symmetrically installed, forward and backward bass irradiator 8,9 vibrating diaphragm spacing is less than each single loudspeaker unit diameter in loudspeaker unit 7, and the present embodiment forward and backward bass irradiator 8,9 vibrating diaphragm spacing is 20mm.
The quantity of loudspeaker unit 7 can with 1～8, each loudspeaker unit vibrating diaphragm towards may be the same or different, but all loudspeaker units will acoustics homophase, or acoustics synchronize.Speaker can be circular can also be oval, its a size of 25mm～133mm, the present embodiment circular loudspeakers of four same diameter 45mm, and all vibrating diaphragm is all installed towards casing 14 is outer.
Embodiment four
As shown in Fig. 4 A, Fig. 4 B, the present embodiment is with the difference of embodiment three, the casing 10 of the present embodiment is internal is provided with dividing plate 11, and casing 10 is divided into upper and lower two independent cavitys by this dividing plate 11, and each cavity has respective loudspeaker unit 7 and forward and backward bass irradiator 8,9；That is, the dividing plate 11 of the present embodiment is connected to the centre position of forward and backward tank wall 5,6 so that upper and lower two independent cavitys respectively have two loudspeaker units 7 and forward and backward bass irradiator 8,9 each.Other are all identical with embodiment three.
Embodiment five
As shown in Fig. 5 A～5C, the casing 10 of the present embodiment is square single-chamber body, and loudspeaker unit 7 and front bass irradiator 8 that rectangular array is arranged are separately mounted on the front tank wall 5 of casing 10；Any row in rectangular array and either rank are equipped with at least one loudspeaker unit 7 and bass irradiator 8 before at least one, loudspeaker unit 7 in any row position corresponding with adjacent lines is front bass irradiator 8, and front bass irradiator 8 in any row position corresponding with adjacent lines is loudspeaker unit 7.The rectangular array of the present embodiment is two row two row, is all respectively equipped with a loudspeaker unit 7 and a front bass irradiator 8 in every a line and every string, and each loudspeaker unit 7 is all in same string with the front bass irradiator 8 in another row.
Rear box wall 6 is parallel with front tank wall 5, and rear bass irradiator 9 is arranged on the rear box wall 6 of casing 10, and rear bass irradiator 9 is identical with the quantity of front bass irradiator 8, and one_to_one corresponding, contour setting.Casing 10 can manufacture with die sinking injection moulding process, it is also possible to other material such as metal material (aluminum, ferrum), timber or plastics etc. manufacture.The casing 10 of the present embodiment uses die sinking injection moulding process manufacture, first according to installing environmental conditions, designs outward appearance, then designs frame for movement, last die sinking injection mo(u)lding.The outside dimension of the casing 10 of the present embodiment is: 150mm (wide) X140mm (high) X46mm (thick).
Forward and backward bass irradiator 8,9 is identical bass irradiator, i.e. their manufacture material, and size and dimension etc. is the most identical；So-called bass irradiator, also known as passive passive low frequency radiation device, is again empty loudspeaker, and it does not has magnet magnetic circuit and voice coil loudspeaker voice coil, only vibrating diaphragm and support means thereof, is called for short film.Forward and backward bass irradiator 8,9 can be circular, it is also possible to is oval or square, shape can be flat board can also be taper；The present embodiment is circular flat board-like bass irradiator.Bass irradiator vibrating diaphragm area and equal to or more than loudspeaker unit vibrating diaphragm area and, each vibrating diaphragm area of forward and backward bass irradiator 8,9 of the present embodiment is in embodiment one 1/2nd of each vibrating diaphragm area；The present embodiment forward and backward bass irradiator 8,9 is opposing parallel contour to be symmetrically installed, forward and backward bass irradiator 8,9 vibrating diaphragm spacing is less than each single loudspeaker unit diameter in loudspeaker unit 7, and the present embodiment forward and backward bass irradiator 8,9 vibrating diaphragm spacing is 20mm.
The quantity of loudspeaker unit 7 can with 1～8, each loudspeaker unit vibrating diaphragm towards may be the same or different, but all loudspeaker units will acoustics homophase, or acoustics synchronize.Speaker can be circular can also be oval, its a size of 25mm～133mm, the present embodiment circular loudspeakers of two same diameter 53mm, and all vibrating diaphragm is all installed towards casing 10 is outer.
Embodiment six
As shown in 6A, Fig. 6 B, the present embodiment is with the difference of embodiment five, rectangular array is two row three row, and all at least provided with the front bass irradiator 8 of a loudspeaker unit 7 and in every a line and every string, every loudspeaker unit 7 is all in same string with the front bass irradiator 8 in another row；A line located above of the present embodiment is provided with a loudspeaker unit 7 and two front bass irradiators 8, the a line being located below is provided with a front bass irradiator 8 and two loudspeaker units 7, a loudspeaker unit 7 in upper row is in same string with a front bass irradiator 8 in following a line, and two front bass irradiators 8 in upper row are in same string with two loudspeaker units 7 in following a line respectively.Correspondingly, the rear bass irradiator 9 on rear box wall 8 is identical with front bass irradiator 8 quantity on front tank wall 5, and one_to_one corresponding.Other are all identical with embodiment five.
Embodiment seven
As shown in Figure 7 A, 7 B, the present embodiment is with the difference of embodiment six, the casing 10 of the present embodiment is internal is provided with dividing plate 11, and casing 10 is divided into two the independent cavitys in left and right by this dividing plate 11, and each cavity has respective loudspeaker unit 7 and forward and backward bass irradiator 8,9；I.e., the dividing plate 11 of the present embodiment is connected between forward and backward tank wall 5,6, it is between the first row of rectangular array and secondary series, left side individual cavity has a loudspeaker unit 7 and forward and backward bass irradiator 8,9 each, and right side individual cavity has two loudspeaker units 7 and forward and backward bass irradiator 8,9 each two.Other are all identical with embodiment six.
Embodiment eight
As shown in Fig. 8 A, Fig. 8 B, the present embodiment is with the difference of embodiment five, and in casing 10, at least face is at the curved surface that is projected as of perpendicular, and the left tank wall of the present embodiment casing 10 and right tank wall are curved surface.And, the casing 10 of the present embodiment is internal is provided with dividing plate 11, and casing 10 is divided into two the independent cavitys in left and right by this dividing plate 11, and each cavity has respective loudspeaker unit 7 and forward and backward bass irradiator 8,9；That is, the dividing plate 11 of the present embodiment is connected between forward and backward tank wall 5,6, is between the first row of rectangular array and secondary series, and the individual cavity of the left and right sides is respectively provided with a loudspeaker unit 7 and forward and backward bass irradiator 8,9 each.Other are all identical with embodiment five.
The television set of built-in speaker of the present invention, as shown in Fig. 9 A～9D, the television set 1 of the present invention can be the panel TV set of prior art, audio amplifier 2 as subwoofer is installed in television set 1, audio amplifier 2 is above-mentioned corresponding module audio amplifier, audio amplifier 2 is arranged on television set 1 rear portion, is additionally provided with multiple independent speaker in television set 1, such as left speaker 3 and right speaker 4.The Audio power amplifier of television set 1 has three tunnel outputs, i.e. 2.1 outputs, respectively L channel, R channel and subwoofer channel, and the L channel output of Audio power amplifier connects left speaker 3, and R channel output connects right speaker 4, and subwoofer channel connects loudspeaker unit 7.L channel is electroacoustic be connected with connection and the subwoofer channel of right speaker 4 with the connection of audio amplifier 2 with the connection of left speaker 3, R channel.The Audio power amplifier output of television set 1 can also only have two-way, i.e. 2.0, as shown in Figure 10, i.e. L channel output exports with R channel, at this moment left and right speaker 3,4 will be connected by two LC high pass filters, connecting as the loudspeaker unit 7 in the audio amplifier 2 of subwoofer by two LC low pass filters again, each LC low pass filter connects the loudspeaker unit of 50%；Connected mode is that the output of left audio power connects left speaker 3 by a LC high pass filter, and is connected as the loudspeaker unit 7 of half quantity in the audio amplifier 2 of subwoofer by a LC low pass filter；The output of described right audio channel power connects right speaker 4 by another LC high pass filter, and connects the loudspeaker unit 7 of second half quantity in audio amplifier 2 by another LC low pass filter.Left and right speaker 3,4 can also be arranged on as in the audio amplifier 2 of subwoofer；Each left and right speaker 3,4 can be made up of one or many loudspeaker units；Left and right speaker 3,4 also can be merged into a speaker.
The operation principle of the present invention is:
As shown in Figure 10, when television set 1 works, L (left) sound channel of its audio power output puts on left speaker 3, and R (right) sound channel puts on right speaker 4；Meanwhile, low frequency power output puts on the loudspeaker unit 7 of audio amplifier 2, and all loudspeaker units 7 complete electroacoustic conversion, produce sound.When low frequency power output puts on the audio amplifier 2 as subwoofer, due to its all of loudspeaker unit 7 acoustics homophase, the most all loudspeaker unit vibrating diaphragms vibrate to same direction all simultaneously, produce information stream.When loudspeaker unit 7 vibrating diaphragm is to casing 10 internal vibration, the air pressure in casing 10 raises, and superatmospheric is strong, so that the vibrating diaphragm of forward and backward bass irradiator 8,9 vibrates outside casing 10 simultaneously, and Oscillation Amplitude is equal in magnitude, in opposite direction；When the vibrating diaphragm of loudspeaker unit 7 vibrates outside casing 10, the air pressure in casing 10 reduces, and subatmospheric is strong, so that casing 10 internal vibration in the same direction of the vibrating diaphragm of forward and backward bass irradiator 8,9, and Oscillation Amplitude is equal, in opposite direction.This creates the terminal bass acoustic resonance, the area of bass vibrating diaphragm also obtains increase at double simultaneously, this dual function result, makes low-frequency sound wave be greatly improved, makes bass simple and honest, shock, mellow and full.And intermediate frequency high frequency sound wave is by a left side, right speaker 3, 4 are directly radiated listening volume, it is clear just to obtain, loud, interesting to listen to middle pitch and high pitch, so full acoustic frequency just can obtain gratifying sound, improve to subversiveness the sound play quality of panel TV set, and audio amplifier 2 volume as subwoofer is the least, very light in weight, especially very thin thickness, can be advantageously mounted in television set 1, or design is entered when designing television set 1 bonnet, while television set 1 is thin, sound is the best, successfully solve panel TV set and do thinner and thinner, sound global problem worse and worse.Panel TV set is made to become image good, the double good TV of sound.
The television set of the built-in corresponding film group audio amplifier of the present invention, it is built-in subwoofer audio amplifier and two, left and right speaker 3,4.Under the audio power of television set drives, medium-high frequency sound wave is directly radiated space by two speakers (audio amplifier), and all-bottom sound air-flow is greatly improved by the audio amplifier 2 as subwoofer, and this audio amplifier volume is little, and thickness is thin, low cost；As, 150mm width X140mm height X53mm is thick) in the case of keeping panel TV set thin, it is easy to it is arranged on existing panel TV set, the problem successfully solving panel TV set sound difference.
Claims (17)
1. a corresponding film group audio amplifier, it is characterised in that: include casing (10) and pacify respectively
The loudspeaker unit (7) being contained in this casing (10), corresponding film group, wherein corresponding film group bag
The front bass irradiator (8) included before being arranged in described casing (10) on tank wall (5) and peace
Be contained in the rear bass irradiator (9) on rear box wall (6) in described casing (10), described before
Bass irradiator (8) is correspondingly arranged with rear bass irradiator (9), described loudspeaker unit (7)
Be arranged on this front tank wall (5), and with described front bass irradiator (8) rectangular array cloth
Put；The distance between forward and backward bass irradiator (8,9) vibrating diaphragm in described corresponding film group is little
The diameter of each speaker in described loudspeaker unit (7).
2. the corresponding film group audio amplifier as described in claim 1, it is characterised in that: described rectangle
Loudspeaker unit (7) in array is positioned at same a line, front bass radiation in described rectangular array
Device (8) is positioned at same a line, and is expert at setting up and down with described loudspeaker unit (7).
3. the corresponding film group audio amplifier as described in claim 2, it is characterised in that: described casing
(10) front tank wall (5) is divided into upper and lower two parts, and upper part is installed in described corresponding film group
Front bass irradiator (8), and this upper part is to described casing (10) inner recess, bottom
Divide and described loudspeaker unit (7) is installed.
4. the corresponding film group audio amplifier as described in claim 1, it is characterised in that: described front case
Wall (5) is divided into upper and lower two parts, every part to be mounted on raising one's voice of rectangular array layout
Device unit (7) and front bass irradiator (8).
5. the corresponding film group audio amplifier as described in claim 4, it is characterised in that: an often part
Rectangular array in described loudspeaker unit (7) be positioned at same string, in described rectangular array
Front bass irradiator (8) is positioned at same string, and left with described loudspeaker unit (7) column
Right setting；In two parts up and down of described front tank wall (5) any portion of front tank wall (5) to
Described casing (10) inner recess.
6. the corresponding film group audio amplifier as described in claim 5, it is characterised in that: described front case
Loudspeaker unit (7) column, front bass irradiator (8) place in wall (5) upper part
Row are handed over loudspeaker unit (7) column, front bass irradiator (8) column in lower part
For arranging, i.e. loudspeaker unit (7) column front bass radiation with lower part in upper part
Device (8) place is classified as same row, front bass irradiator (8) column and bottom in upper part
In point, loudspeaker unit (7) place is classified as same row.
7. the corresponding film group audio amplifier as described in claim 1, it is characterised in that: described rectangle
Any row in array and either rank are equipped with at least one loudspeaker unit (7) and at least
One front bass irradiator (8), the described loudspeaker unit (7) in any row and adjacent lines
Corresponding position is front bass irradiator (8), the described front bass irradiator (8) in any row
The position corresponding with adjacent lines is loudspeaker unit (7).
8. the corresponding film group audio amplifier as described in claim 1 to 7 any claim, it is special
Levy and be: in described casing (10), be separated into multiple independent cavity by dividing plate (11),
Be mounted in each cavity described loudspeaker unit (7), front bass irradiator (8) and after
Bass irradiator (9).
9. the corresponding film group audio amplifier as described in claim 1 to 7 any claim, it is special
Levy and be: in described rectangular array, the loudspeaker unit (7) with a line or with string is merged into
One entirety, the front bass irradiator (8) with a line or with string merges into an entirety.
10. the corresponding film group audio amplifier as described in claim 1 to 7 any claim, it is special
Levy and be: in described casing (10), at least face is projected as curved surface at perpendicular,
Or the end face of described casing (10) is circular or square.
The 11. corresponding film group audio amplifiers as described in claim 1 to 7 any claim, it is special
Levy and be: described forward and backward bass irradiator (8,9) is two identical passive vibrating diaphragms, etc.
Height is symmetrical arranged；In described loudspeaker unit (7), the vibrating diaphragm of each speaker is all towards casing (10)
Outer setting, described loudspeaker unit (7) electroacoustic homophase.
The television set of corresponding film group audio amplifier described in 12. 1 kinds of built-in 1 to 7 any claim,
It is characterized in that: include audio amplifier (2), left speaker (3) and right speaker (4), described
Audio amplifier (2) is arranged on the back side of television set (1), described left speaker (3) as subwoofer
And right speaker (4) is identical speaker, it is symmetrically mounted on a left side for described television set (1)
Right both sides.
13. television sets as described in claim 12, it is characterised in that: described audio amplifier (2)
Casing (10) in be separated into multiple independent cavity, each cavity by dividing plate (11)
Inside it is mounted on described loudspeaker unit (7), front bass irradiator (8) and the radiation of rear bass
Device (9).
14. television sets as described in claim 12, it is characterised in that: described audio amplifier (2)
Rectangular array in loudspeaker unit (7) with a line or with string merge into an entirety,
Front bass irradiator (8) with a line or with string merges into an entirety.
15. television sets as described in claim 12, it is characterised in that: described audio amplifier (2)
Casing (10) at least face at the curved surface that is projected as of perpendicular, or described casing
(10) end face is circular or square.
16. television sets as described in claim 12, it is characterised in that: described television set (1)
Having L channel, R channel and the output of subwoofer channel three road audio power, described L channel connects
Left speaker (3), described R channel connects right speaker (4), and described subwoofer channel connects to be made
For the loudspeaker unit (7) in the audio amplifier (2) of subwoofer, described L channel and left speaker
(3) connection, the connection of R channel and right speaker (4) and subwoofer channel with as bass
The connection of the audio amplifier (2) of big gun is electroacoustic with being connected.
17. television sets as described in claim 12, it is characterised in that: described television set (1)
Having L channel and the output of R channel two-way audio power, its connected mode is left audio merit
Rate output connects left speaker (3) by a LC high pass filter, and low by a LC
Bandpass filter connects as the loudspeaker unit (7) of half quantity in the audio amplifier (2) of subwoofer；
The output of described right audio channel power connects right speaker by another LC high pass filter
(4), and by another LC low pass filter connect as another in the audio amplifier (2) of subwoofer
The loudspeaker unit (7) of half quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015973.7A CN105848041A (en) | 2015-01-13 | 2015-01-13 | Matched film-group voice box and television with same built in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015973.7A CN105848041A (en) | 2015-01-13 | 2015-01-13 | Matched film-group voice box and television with same built in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105848041A true CN105848041A (en) | 2016-08-10 |
Family
ID=57178145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015973.7A Withdrawn CN105848041A (en) | 2015-01-13 | 2015-01-13 | Matched film-group voice box and television with same built in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105848041A (en) |
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| CN106358116A (en) * | 2016-08-29 | 2017-01-25 | 中山市理丹电器有限公司 | Portable player with high sound quality |
| CN107592596A (en) * | 2017-10-31 | 2018-01-16 | 深圳市尊特数码有限公司 | A kind of portable loudspeaker box |
| CN108632704A (en) * | 2017-03-23 | 2018-10-09 | 深圳纽斯声学系统有限公司 | A kind of combination array formula bass box |
| CN108632720A (en) * | 2017-03-23 | 2018-10-09 | 深圳纽斯声学系统有限公司 | A kind of single-chamber body sandwich style automobile subwoofer |
| WO2018210185A1 (en) * | 2017-05-15 | 2018-11-22 | 深圳纽斯声学系统有限公司 | Automobile sound system |
| CN109040872A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of Ceiling loudspeaker housing |
| CN109040914A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of car audio system based on symmetrical balance bass box |
| WO2021128373A1 (en) * | 2019-12-28 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Speaker module and terminal device |
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| CN106358116A (en) * | 2016-08-29 | 2017-01-25 | 中山市理丹电器有限公司 | Portable player with high sound quality |
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| CN109040872A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of Ceiling loudspeaker housing |
| CN109040914A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of car audio system based on symmetrical balance bass box |
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| CN107592596A (en) * | 2017-10-31 | 2018-01-16 | 深圳市尊特数码有限公司 | A kind of portable loudspeaker box |
| CN107592596B (en) * | 2017-10-31 | 2024-04-02 | 深圳市尊特数码有限公司 | Portable sound box |
| WO2021128373A1 (en) * | 2019-12-28 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Speaker module and terminal device |
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Application publication date: 20160810 |