CN201360305Y - Mega bass unit structure and television with same - Google Patents
Mega bass unit structure and television with same Download PDFInfo
- Publication number
- CN201360305Y CN201360305Y CNU200920006407XU CN200920006407U CN201360305Y CN 201360305 Y CN201360305 Y CN 201360305Y CN U200920006407X U CNU200920006407X U CN U200920006407XU CN 200920006407 U CN200920006407 U CN 200920006407U CN 201360305 Y CN201360305 Y CN 201360305Y
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- preamplifier
- woofer
- television set
- supper bass
- audio signal
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Abstract
An embodiment of the utility model discloses a mega bass unit structure, which comprises a woofer speaker, the woofer speaker is located between a display screen and a rear casing and faces towards the back surface of the rear casing, and a sound hole is arranged on the back of the rear casing corresponding to the woofer speaker. The embodiment of the utility model further discloses a television with the mega bass unit structure. The mega bass unit structure is adaptable to realizing mega bass of television programs.
Description
Technical field
The utility model relates to technical field of television sets, the television set that relates in particular to a kind of supper bass cellular construction and have this structure.
Background technology
At present, panel TV is because its characteristics light, ultra-thin, good visual effect are subjected to the welcome of TV user gradually.But TV has the supper bass unit owing to CRT (Cathode Ray Tube, cathode ray tube), and panel TV is frivolous in order to pursue, and the supper bass unit generally is not set, so tonequality is not as the CRT TV.And for television set, the frequency band of sound is extremely important, and present TV is often sacrificed the performance of bass with loud speaker, causes the effective band of complete machine not cover 120Hz, even does not cover 150Hz.
Usually, the bass frequency band on the panel TV is all not enough, directly is not with a supper bass unit in casing.The brand that has has disposed the less bass unit of volume, and as shown in Figure 1, TV signal splits into vision signal and audio signal after handling through master chip, and audio signal is divided into left audio signal and right audio signal.Wherein left audio signal is through the preposition amplification of preamplifier, and the power amplification of power amplifier becomes high pitch and bass after the dividing network processing, and respectively through high pitch loudspeaker and woofer output.The subsequent treatment of right audio signal is the same with left audio signal, and 4 loud speakers are arranged in fact in television set like this.
In realizing process of the present utility model, the inventor finds that there are the following problems at least in the prior art:
There is not directly to adopt independent supper bass cellular construction in the prior art, the bass frequency band deficiency of television sound, and then cause sound quality lower, the market competitiveness of television product is not high.
The utility model content
The television set that embodiment of the present utility model provides a kind of supper bass cellular construction and has this structure can increase the low-frequency component of television program sound, promotes sound quality, improves product competitiveness.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of supper bass cellular construction, comprise: a woofer, described woofer is between display screen and back cover, and described woofer is towards the back cover back side, at described back cover back, be provided with sender with the corresponding position of described woofer.
Wherein, described supper bass cellular construction also comprises: two low pass filters, an adder, a preamplifier and a power amplifier; Described two low pass filters are connected with adder respectively, and described adder, preamplifier, power amplifier and woofer are connected successively; Left audio signal through left low pass filter filtering, right audio signal after right low pass filter filtering, mixing obtains a supper bass signal through adder, described supper bass signal carries out preposition amplification through preamplifier, after power amplifier carries out power amplification, export by woofer.
Wherein, described left low pass filter is identical with right low pass filter.
Described preamplifier ground connection.
A kind of television set with this structure comprises fore shell, back cover, display screen and internal circuit unit, and described television set has above-described supper bass cellular construction.
Wherein, described television set also comprises two identical voice units.
Described two voice units comprise a high pitch loudspeaker respectively, described two high pitch loudspeakers lay respectively at the left and right sides of fore shell inside, display screen, described high pitch loudspeaker is towards the fore shell front, in the front of described fore shell, be provided with sender with described two corresponding positions of high pitch loudspeaker.
Further, described voice unit also comprises: the high pass filter that is connected successively, preamplifier and power amplifier; Audio signal obtains high pitched signal after high pass filter filters, described high pitched signal is amplified through preamplifier, after power amplifier carries out power amplification, exports by high pitch loudspeaker.
Wherein, described two voice units are left voice unit and right voice unit, respectively left audio signal and right audio signal are handled.
Described preamplifier ground connection.
Supper bass cellular construction that the utility model embodiment provides and the television set with this structure directly adopt a supper bass unit in television cabin, woofer is installed backward, spread bass by the mode of leaving sound hole at the back cover back; In addition, the less high pitch loudspeaker of left and right sides installation volume of inside, display screen about fore shell, can play the acoustic fix ranging effect, and can relax requirement to complete machine thickness, stay enough installing spaces to woofer, thereby, increase the low-frequency component of television program sound from improving the present situation of panel TV sound quality difference, promote sound quality, improve product competitiveness.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is prior art alt unit and bass unit structural representation;
Each component locations structural representation of the television set with this supper bass cellular construction that Fig. 2 provides for the utility model embodiment;
Supper bass unit and voice unit structural representation that Fig. 3 provides for the utility model embodiment;
The television set stereochemical structure decomposing schematic representation that Fig. 4 provides for the utility model embodiment with this supper bass cellular construction.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
For the advantage that makes technical solutions of the utility model is clearer, the utility model is elaborated below in conjunction with drawings and Examples.
Embodiment of the present utility model provides a kind of supper bass cellular construction, can increase the low-frequency component of television program sound, promotes sound quality, improves product competitiveness.
As Fig. 2, shown in Figure 4, described supper bass cellular construction comprises a woofer 206, described woofer 206 is between display screen 203 and back cover 202, described supper bass unit medium and low spectrum loudspeaker 206 is towards back cover 202 back sides, at described back cover 202 backs, be provided with sender 207 with described woofer 206 corresponding positions.Because the directivity of low-frequency sound is poor, and woofer is installed backward, spreads bass by the mode of leaving sound hole at the back cover back, it is dark to reach the bass dive, and the high pitch location is accurate, the good audio that stereovision is clearly demarcated.
As shown in Figure 3, TV signal is divided into vision signal and audio signal after handling through master chip, audio signal is divided into left audio signal and right audio signal, and described supper bass unit also comprises: two low pass filters, an adder, a preamplifier and a power amplifier; Described two low pass filters are connected with adder respectively, and described adder, preamplifier, power amplifier and woofer are connected successively; Left audio signal through left low pass filter filtering, right audio signal after right low pass filter filtering, mixing obtains a supper bass signal through adder, described supper bass signal carries out preposition amplification through preamplifier, after power amplifier carries out power amplification, export by woofer.
Wherein, described left low pass filter is identical with right low pass filter.
Described preamplifier ground connection.
Embodiment of the present utility model provides a kind of television set with above-mentioned supper bass cellular construction, can increase the low-frequency component of television program sound, promotes sound quality, improves product competitiveness.
As Fig. 2, shown in Figure 4, described television set comprises fore shell 201, back cover 202, display screen 203 and internal circuit unit (not shown), and described television set has above-described supper bass cellular construction.
Wherein, described television set also comprises two identical voice units.
As Fig. 2, shown in Figure 4, described two voice units comprise a high pitch loudspeaker 204 respectively, described two high pitch loudspeakers 204 lay respectively at the left and right sides of fore shell 201 inside, display screen 203, described high pitch loudspeaker 204 is towards fore shell 201 fronts, in the front of described fore shell 201, be provided with sender 205 with described two high pitch loudspeakers 204 corresponding positions.The volume of the described high pitch loudspeaker of installing about fore shell is less, can play the acoustic fix ranging effect, and can relax requirement to complete machine thickness, stay enough installing spaces to woofer, thereby from improving the present situation of panel TV sound quality difference, can also take all factors into consideration the relation of display screen, power panel, mainboard, front and rear casing and woofer, adopt shake of glissando prevention machine or screen shake, and rationally utilize space heat elimination.Make the design of complete machine reach optimization function.
As shown in Figure 3, described voice unit also comprises: the high pass filter that is connected successively, preamplifier and power amplifier; Audio signal obtains high pitched signal after high pass filter filters, described high pitched signal is amplified through preamplifier, after power amplifier carries out power amplification, exports by high pitch loudspeaker.
Wherein, described two voice units are left voice unit and right voice unit, respectively left audio signal and right audio signal are handled.
Described preamplifier ground connection.
The utility model embodiment directly adopts described supper bass cellular construction in television cabin, unit volume can be bigger, and bore can be bigger, and low frequency can be done better like this, and tonequality is better.In addition, can also save the space of high pitch loudspeaker, for example: the frequency band that high pitch loudspeaker is play is from 100HZ to 10000HZ, bass can be responsible for from 60HZ to 100HZ, high pitch is from 1001HZ to 10000HZ, that is to say a frequency band is shared by high pitch and bass that it is better more professional that high pitch and bass can be done.This moment, the volume of high pitch loudspeaker just can be done forr a short time, also just had been fit to the narrow frame design that present panel TV set becomes more and more popular.
Supper bass cellular construction that the utility model embodiment provides and the television set with this structure directly adopt a supper bass unit in television cabin, woofer is installed backward, spread bass by the mode of leaving sound hole at the back cover back; In addition, the less high pitch loudspeaker of left and right sides installation volume of inside, display screen about fore shell, can play the acoustic fix ranging effect, and can relax requirement to complete machine thickness, stay enough installing spaces to woofer, thereby, increase the low-frequency component of television program sound from improving the present situation of panel TV sound quality difference, promote sound quality, improve product competitiveness.
The utility model embodiment is applicable to display devices such as panel TV, set-top box, but is not limited to above-described several.
The above; it only is the embodiment of the utility model embodiment; but the protection range of the utility model embodiment is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, the protection range of the utility model embodiment should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of supper bass cellular construction, it is characterized in that, comprising: a woofer, described woofer is between display screen and back cover, described woofer is towards the back cover back side, at described back cover back, be provided with sender with the corresponding position of described woofer.
2, supper bass cellular construction according to claim 1 is characterized in that, also comprises: two low pass filters, an adder, a preamplifier and a power amplifier; Described two low pass filters are connected with adder respectively, and described adder, preamplifier, power amplifier and woofer are connected successively; Left audio signal through left low pass filter filtering, right audio signal after right low pass filter filtering, mixing obtains a supper bass signal through adder, described supper bass signal carries out preposition amplification through preamplifier, after power amplifier carries out power amplification, export by woofer.
3, supper bass cellular construction according to claim 1 is characterized in that: described left low pass filter is identical with right low pass filter.
4, supper bass cellular construction according to claim 1 is characterized in that: described preamplifier ground connection.
5, a kind of television set with this structure comprises fore shell, back cover, display screen and internal circuit unit, it is characterized in that: described television set has as each described supper bass cellular construction in the claim 1 to 4.
6, the television set with this structure according to claim 4 is characterized in that, also comprises: two identical voice units.
7, the television set with this structure according to claim 6, it is characterized in that, described two voice units comprise a high pitch loudspeaker respectively, described two high pitch loudspeakers lay respectively at the left and right sides of fore shell inside, display screen, described high pitch loudspeaker is towards the fore shell front, in the front of described fore shell, be provided with sender with described two corresponding positions of high pitch loudspeaker.
8, the television set with this structure according to claim 7 is characterized in that, described voice unit also comprises: the high pass filter that is connected successively, preamplifier and power amplifier; Audio signal obtains high pitched signal after high pass filter filters, described high pitched signal is amplified through preamplifier, after power amplifier carries out power amplification, exports by high pitch loudspeaker.
9, the television set with this structure according to claim 8 is characterized in that, described two voice units are left voice unit and right voice unit, respectively left audio signal and right audio signal are handled.
10, the television set with this structure according to claim 8 is characterized in that, described preamplifier ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920006407XU CN201360305Y (en) | 2009-02-26 | 2009-02-26 | Mega bass unit structure and television with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920006407XU CN201360305Y (en) | 2009-02-26 | 2009-02-26 | Mega bass unit structure and television with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201360305Y true CN201360305Y (en) | 2009-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920006407XU Expired - Lifetime CN201360305Y (en) | 2009-02-26 | 2009-02-26 | Mega bass unit structure and television with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201360305Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946577A (en) * | 2012-11-21 | 2013-02-27 | 宁波市环球宇斯浦电器有限公司 | Liquid crystal television bass boost system |
| CN103118316A (en) * | 2012-10-25 | 2013-05-22 | 青岛海信电器股份有限公司 | Electronic equipment with speaker box and panel television set |
| CN106534999A (en) * | 2016-11-09 | 2017-03-22 | 合浦县文化体育和旅游局 | TV set capable of video chats |
| CN106954144A (en) * | 2017-03-15 | 2017-07-14 | 四川长虹电器股份有限公司 | Television acoustics system |
| CN107181925A (en) * | 2017-06-12 | 2017-09-19 | 青岛海信电器股份有限公司 | A kind of television set |
| CN111192540A (en) * | 2018-11-15 | 2020-05-22 | 乐金显示有限公司 | Display device |
| CN111491122A (en) * | 2020-04-16 | 2020-08-04 | 深圳康佳电子科技有限公司 | Front shell assembly, television and assembling method thereof |
| CN112019968A (en) * | 2019-05-31 | 2020-12-01 | 乐金显示有限公司 | Display device |
| CN113784258A (en) * | 2020-06-10 | 2021-12-10 | 雅马哈株式会社 | Vehicle-mounted sound system and vehicle with same |
-
2009
- 2009-02-26 CN CNU200920006407XU patent/CN201360305Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118316A (en) * | 2012-10-25 | 2013-05-22 | 青岛海信电器股份有限公司 | Electronic equipment with speaker box and panel television set |
| CN103118316B (en) * | 2012-10-25 | 2016-01-20 | 青岛海信电器股份有限公司 | There is electronic equipment and the panel TV set of sound equipment |
| CN102946577A (en) * | 2012-11-21 | 2013-02-27 | 宁波市环球宇斯浦电器有限公司 | Liquid crystal television bass boost system |
| CN106534999A (en) * | 2016-11-09 | 2017-03-22 | 合浦县文化体育和旅游局 | TV set capable of video chats |
| CN106954144A (en) * | 2017-03-15 | 2017-07-14 | 四川长虹电器股份有限公司 | Television acoustics system |
| CN107181925A (en) * | 2017-06-12 | 2017-09-19 | 青岛海信电器股份有限公司 | A kind of television set |
| CN111192540A (en) * | 2018-11-15 | 2020-05-22 | 乐金显示有限公司 | Display device |
| US11064277B2 (en) | 2018-11-15 | 2021-07-13 | Lg Display Co., Ltd. | Display apparatus |
| CN112019968A (en) * | 2019-05-31 | 2020-12-01 | 乐金显示有限公司 | Display device |
| CN112019968B (en) * | 2019-05-31 | 2022-08-12 | 乐金显示有限公司 | Display device |
| US11625065B2 (en) | 2019-05-31 | 2023-04-11 | Lg Display Co., Ltd. | Display apparatus |
| CN111491122A (en) * | 2020-04-16 | 2020-08-04 | 深圳康佳电子科技有限公司 | Front shell assembly, television and assembling method thereof |
| CN111491122B (en) * | 2020-04-16 | 2022-07-22 | 深圳康佳电子科技有限公司 | Front shell assembly, television and assembling method thereof |
| CN113784258A (en) * | 2020-06-10 | 2021-12-10 | 雅马哈株式会社 | Vehicle-mounted sound system and vehicle with same |
| CN113784258B (en) * | 2020-06-10 | 2024-06-04 | 雅马哈株式会社 | Vehicle-mounted sound system and vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |