CN201349323Y - Concealed speaker system of liquid crystal TV - Google Patents
Concealed speaker system of liquid crystal TV Download PDFInfo
- Publication number
- CN201349323Y CN201349323Y CNU2009203001744U CN200920300174U CN201349323Y CN 201349323 Y CN201349323 Y CN 201349323Y CN U2009203001744 U CNU2009203001744 U CN U2009203001744U CN 200920300174 U CN200920300174 U CN 200920300174U CN 201349323 Y CN201349323 Y CN 201349323Y
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- concealed
- audio amplifier
- speaker system
- sound
- lcd
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Abstract
The utility model discloses a concealed speaker system of a liquid crystal TV, wherein, the concealed speaker system can improve the tone quality. The concealed speaker system comprises a sound box internally provided with a speaker, wherein, the sound box is connected with a surface frame on which a sound output port is formed; and the casing of the sound box is connected to the sound output port. Based on the ultrathin and ultra-narrow shape of the surface frame of the prior liquid crystal TV, the sound output port is formed in the position that cannot be observed from the right side of the surface frame, the casing of the sound box is used as one of sound conduction structures through skillful structural design, the limited space inside the liquid crystal TV is utilized fully, the ultrathin speaker with big caliber is used for forming a built-in concealed sound box system, and the speaker adopts a cone diaphragm that is arranged in an inverted cone manner so as to lead the low frequency to be more energetic and powerful; the medium-high frequency of the sound is well led to the right side of the liquid crystal TV by the structural matching of the speaker and the sound box; in addition, the tone quality of the concealed speaker system of the liquid crystal TV can be improved completely by skillfully utilizing a trim strip on the surface frame and a wall surface as additional sound conduction structures.
Description
Technical field
The utility model relates to a kind of LCD TV speaker system, the concealed speaker system of especially a kind of LCD TV.
Background technology
Traditional LCD TV loud speaker directly is contained on the face frame, loud speaker passes through the phonate hole in face frame front to external radiation to the sound of previous irradiation, " baffle " that this mode has well utilized face frame and bonnet to form, form speaker system jointly, the performance of loud speaker can well be brought into play, audio distortions is little, and complete machine tonequality is fine.For making complete machine have good acoustics, generally select the bigger loud speaker of bore for use, but this will take bigger space, always need stay the speak zone of a zone in the front of LCD TV as loud speaker, for LCD TV, seem very inharmonious, it is heavy, stiff that complete machine seems, can't satisfy the requirement of present LCD TV fashion-orientation.Therefore, light for satisfying LCD TV, thin moulding needs, begin to adopt concealed speaker system, concealed speaker system still is installed on the face frame, but the loud speaker outlet is hidden, cannot see from the television set front, generally be to select to speak mouth down or up, also have backwards, can do the LCD TV front simpler like this, formation has ultra-thin, the LCD TV of super leptoprosopy frame, this moulding is hidden in complete machine inside fully with speaker system, and the narrow and small tonequality that influences speaker system of concealed frame mode and structure space causes both poor sound quality, and this becomes technical issues that need to address.
The utility model content
In order to overcome the deficiency of existing concealed speaker system both poor sound quality, technical problem to be solved in the utility model provides a kind of concealed speaker system of LCD TV that can improve tonequality.
The technical scheme that its technical problem that solves the utility model adopts is: the concealed speaker system of LCD TV, comprise the audio amplifier that is built-in with loud speaker, and described audio amplifier is connected with the face frame that is provided with outlet sound mouth, and casing of loudspeaker box is connected to described outlet sound mouth.
The beneficial effects of the utility model are: according to the moulding of the existing ultra-thin super narrow frame of LCD TV, the top view of face frame less than the position outlet sound mouth is set, by structural design cleverly, with casing of loudspeaker box as leading one of acoustic form, make full use of the confined space of LCD TV inside, use heavy caliber, ultrathin loudspeaker to form built-in concealed sound box system, the cone that loud speaker adopts back taper to arrange makes low frequency more abundant strong; By the cooperation of loud speaker and loudspeaker box structure, with the medium-high frequency of the sound LCD TV front of well leading, the simultaneously ingenious ornamental strip and metope of utilizing on the face frame realized comprehensive improvement of the concealed speaker system tonequality of LCD TV as the other acoustic form of leading.
Description of drawings
Fig. 1 is the schematic appearance of audio amplifier of the present utility model.
Fig. 2 is another orientation schematic appearance of audio amplifier of the present utility model.
Fig. 3 is the front view of audio amplifier of the present utility model.
Fig. 4 is the H-H cutaway view of Fig. 3.
Fig. 5 is the position view between audio amplifier and the face frame.
Fig. 6 is the position view between audio amplifier and the bonnet.
Fig. 7 is the schematic diagram of audio amplifier fixed form.
Be labeled as 1-loud speaker, 2-audio amplifier bonnet, 3-Loudspeaker front cover, 4-audio amplifier phonocatheter, 5-cushion blocking among the figure, 6-is as the glue cushion blocking, 7-face frame, 8-erection column, 9-louvre, 10-liquid crystal display screen, the 11-ornamental strip, 12-outlet sound mouth, 13-reinforcement, 14-bonnet, 15-installing hole.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1~shown in Figure 7, the concealed speaker system of LCD TV of the present utility model comprises the audio amplifier that is built-in with loud speaker 1, and described audio amplifier is connected with the face frame 7 that is provided with outlet sound mouth 12, and casing of loudspeaker box is connected to described outlet sound mouth 12.
The utility model utilizes casing of loudspeaker box as leading one of acoustic form, and the sound that the loud speaker front is sent is transmitted to outlet sound mouth 12 by leading acoustic form, has reached the effect of improving tonequality.Certainly, for adapting to light, the thin requirement of liquid crystal, selected concealed loud speaker should adopt ultra-thin formula loud speaker, and loudspeaker acoustic enclosure thickness is generally below 35mm.
As shown in Figure 4, the cone of described loud speaker 1 adopts the back taper arrangement, be that cone heavy caliber one end of loud speaker 1 is arranged on the back and a small-bore end is arranged on the front,, help the more effective guide acoustic form of the sound width of cloth is penetrated to reduce the formed cup effect of cone front cavity.
As shown in Figure 4, casing of loudspeaker box is a split-type structural, comprises Loudspeaker front cover 3, audio amplifier bonnet 2 and audio amplifier phonocatheter 4, and described loud speaker 1 is fixed on the audio amplifier bonnet 2, and audio amplifier phonocatheter 4 is connected with outlet sound mouth 12.Be set to split-type structural, can adapt to the LCD TV of different-thickness liquid crystal display screen by the phonocatheter 4 of design different length.Connect by ultrasonic bonding or the bonding mode of special glue between each assembly, can reduce attenuation steps.
Have a negative impact for fear of the tonequality of resonance, on Loudspeaker front cover 3 and audio amplifier bonnet 2, all be provided with reinforcement 13 TV.
Vibrate for weaken the audio amplifier that is transmitted on the television set from audio amplifier as far as possible, as shown in Figure 1, the limit portion that audio amplifier phonocatheter 4 contacts with outlet sound mouth 12 is provided with cushion blocking 5.In addition, audio amplifier also can be connected with the support that supports liquid crystal display screen 10, to reduce the audio amplifier vibration.
As shown in Figure 5, face frame 7 is provided with ornamental strip 11 and leads acoustic form as another, and described ornamental strip 11 positions are corresponding with outlet sound mouth 12, utilize ornamental strip 11 with the sound reflection of outlet sound mouth 12 to the LCD TV front, to improve tonequality.
As shown in Figure 5 and Figure 6, be connected with the bonnet 14 that is provided with louvre 9 on the face frame 7, the position of described louvre 9 is corresponding with the position of loud speaker 1, sound conduction is arrived the front of television set by the reflex of metope behind the television set.
As shown in Figure 7, be transmitted to audio amplifier vibration on the television set for weakening from audio amplifier, audio amplifier is spirally connected with face frame 7 by the erection column 8 that is provided with on the installing hole 15 that is provided with on the casing of loudspeaker box and the face frame 7, is provided with rubber damper 6 between installing hole 15 and the erection column 8 as far as possible.
Embodiment:
As Fig. 1~shown in Figure 7, the concealed speaker system of LCD TV of the present utility model comprises ultra-thin concealed built-in speaker and face frame 7, bonnet 9, ornamental strip 11, ultra-thin concealed built-in speaker is installed on the erection column 8 on the face frame 7 by Rubber shock-absorbing pad 6, reduce the influence of audio amplifier vibration to television set, avoiding producing resonance has a negative impact to TV tonequality, loud speaker 1 is installed in above the audio amplifier bonnet 2, with Loudspeaker front cover 3, the concealed built-in speaker of audio amplifier phonocatheter 4 common compositions, the cone of loud speaker 1 adopts the arrangement of back taper, reduce the formed cup effect of cavity in cone the place ahead, while helps sound wave more effective to 4 radiation of audio amplifier phonocatheter again, makes low-frequency sound more abundant strong.By adjusting cooperating of loud speaker 1 and audio amplifier internal cavities, cavity can be reduced to minimum to the decay of sound wave, make that the television set frequency response curve is more straight.On Loudspeaker front cover 3 and audio amplifier bonnet 2, be provided with reinforcement 13, tonequality had a negative impact to reduce audio amplifier resonance.Audio amplifier phonocatheter 4 is designed to an independent part, make this built-in concealed independent audio amplifier can be applicable to different LCD TV, for the different liquid crystal display screen of thickness, only need this finding of redesign audio amplifier acoustic conducting pipe, can be implemented in the application on the liquid crystal TV set of different screen size.Audio amplifier phonocatheter 4 is by outlet sound mouth 12 close fit on EVA beam 5 and the face frame 1, the medium-high frequency sound wave is reflected to the LCD TV front by these outlet sound mouth 12 outer ornamental strips 11, the sound at loud speaker 1 rear is by louvre 9 radiation backward on the bonnet 14 simultaneously, utilize the metope reflex of placing the television set position, sound is reflexed to the television set front as diffusion type, make its sound field broader, thereby LCD TV tonequality is improved comprehensively.
Claims (8)
1. the concealed speaker system of LCD TV comprises the audio amplifier that is built-in with loud speaker (1), and described audio amplifier is connected with the face frame (7) that is provided with outlet sound mouth (12), and it is characterized in that: casing of loudspeaker box is connected to described outlet sound mouth (12).
2. the concealed speaker system of LCD TV as claimed in claim 1 is characterized in that: the cone of described loud speaker (1) adopts the back taper arrangement.
3. the concealed speaker system of LCD TV as claimed in claim 1, it is characterized in that: casing of loudspeaker box is a split-type structural, comprise Loudspeaker front cover (3), audio amplifier bonnet (2) and audio amplifier phonocatheter (4), described loud speaker (1) is fixed on the audio amplifier bonnet (2), and audio amplifier phonocatheter (4) is connected with outlet sound mouth (12).
4. the concealed speaker system of LCD TV as claimed in claim 3 is characterized in that: all be provided with reinforcement (13) on Loudspeaker front cover (3) and the audio amplifier bonnet (2).
5. the concealed speaker system of LCD TV as claimed in claim 3 is characterized in that: the limit portion that audio amplifier phonocatheter (4) contacts with outlet sound mouth (12) is provided with cushion blocking (5).
6. the concealed speaker system of LCD TV as claimed in claim 1 is characterized in that: face frame (7) is provided with ornamental strip (11), and described ornamental strip (11) position is corresponding with outlet sound mouth (12).
7. the concealed speaker system of LCD TV as claimed in claim 1 is characterized in that: be connected with the bonnet (14) that is provided with louvre (9) on the face frame (7), the position of described louvre (9) is corresponding with the position of loud speaker (1).
8. the concealed speaker system of LCD TV as claimed in claim 1, it is characterized in that: audio amplifier is spirally connected with face frame (7) by installing hole (15) and the last erection column (8) that is provided with of face frame (7) that is provided with on the casing of loudspeaker box, is provided with rubber damper (6) between installing hole (15) and the erection column (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009203001744U CN201349323Y (en) | 2009-01-12 | 2009-01-12 | Concealed speaker system of liquid crystal TV |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009203001744U CN201349323Y (en) | 2009-01-12 | 2009-01-12 | Concealed speaker system of liquid crystal TV |
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CN201349323Y true CN201349323Y (en) | 2009-11-18 |
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CNU2009203001744U Expired - Fee Related CN201349323Y (en) | 2009-01-12 | 2009-01-12 | Concealed speaker system of liquid crystal TV |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102361501A (en) * | 2011-08-24 | 2012-02-22 | 无锡杰夫电声有限公司 | Multi-point excitation loudspeaker array |
CN102695110A (en) * | 2011-03-22 | 2012-09-26 | 青岛海信电器股份有限公司 | Bass sound box, and flat panel TV with build-in bass sound box |
CN103152660A (en) * | 2013-03-15 | 2013-06-12 | 吴静 | Built-in sound box component for PC (personal computer) case |
CN106162420A (en) * | 2016-08-10 | 2016-11-23 | 青岛海信电器股份有限公司 | Display terminal |
CN106297558A (en) * | 2015-05-26 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of display device |
CN112543387A (en) * | 2019-09-20 | 2021-03-23 | 广州视源电子科技股份有限公司 | Electronic device |
-
2009
- 2009-01-12 CN CNU2009203001744U patent/CN201349323Y/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102695110A (en) * | 2011-03-22 | 2012-09-26 | 青岛海信电器股份有限公司 | Bass sound box, and flat panel TV with build-in bass sound box |
CN102695110B (en) * | 2011-03-22 | 2015-08-19 | 青岛海信电器股份有限公司 | The panel TV of a kind of woofer and built-in woofer |
CN102361501A (en) * | 2011-08-24 | 2012-02-22 | 无锡杰夫电声有限公司 | Multi-point excitation loudspeaker array |
CN102361501B (en) * | 2011-08-24 | 2014-04-02 | 无锡杰夫电声有限公司 | Multi-point excitation loudspeaker array |
CN103152660A (en) * | 2013-03-15 | 2013-06-12 | 吴静 | Built-in sound box component for PC (personal computer) case |
CN106297558A (en) * | 2015-05-26 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of display device |
CN106162420A (en) * | 2016-08-10 | 2016-11-23 | 青岛海信电器股份有限公司 | Display terminal |
CN106162420B (en) * | 2016-08-10 | 2019-06-04 | 青岛海信电器股份有限公司 | Display terminal |
CN112543387A (en) * | 2019-09-20 | 2021-03-23 | 广州视源电子科技股份有限公司 | Electronic device |
WO2021051956A1 (en) * | 2019-09-20 | 2021-03-25 | 广州视源电子科技股份有限公司 | Electronic device |
US11910157B2 (en) | 2019-09-20 | 2024-02-20 | Guangzhou Shiyuan Electronic Technology Company Limited | Electronic apparatus |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20180112 |
|
CF01 | Termination of patent right due to non-payment of annual fee |