CN201774664U - Passive acoustic system and television - Google Patents
Passive acoustic system and television Download PDFInfo
- Publication number
- CN201774664U CN201774664U CN2010205183966U CN201020518396U CN201774664U CN 201774664 U CN201774664 U CN 201774664U CN 2010205183966 U CN2010205183966 U CN 2010205183966U CN 201020518396 U CN201020518396 U CN 201020518396U CN 201774664 U CN201774664 U CN 201774664U
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- loudspeaker
- circuit
- sound
- superelevation
- bass
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- 239000004568 cement Substances 0.000 claims description 9
- 241001503991 Consolida Species 0.000 claims description 8
- 210000003141 lower extremity Anatomy 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
A passive acoustic system comprises a bass channel, a left channel and a right channel, wherein the bass channel comprises a first bass loudspeaker circuit and a second bass loudspeaker circuit which are connected in parallel; the left channel comprises a first alto loudspeaker circuit, a first tweeter circuit and a first super tweeter circuit which are connected in parallel; the right channel comprises a second alto loudspeaker circuit, a second tweeter circuit and a second super tweeter circuit which are connected in parallel. The passive acoustic system has the advantages of relatively good tone quality and simple wiring; the circuit of a television is used for sounding; the cost is low and practicability is strong. In addition, a television using the passive acoustic system is further provided.
Description
[technical field]
The utility model relates to a kind of passive sound system and TV.
[background technology]
Traditional TV is boombox mostly, because the restriction of outward appearance, size restrictions, the strength of materials and technology etc. can't be sent higher sound quality, has limited the development of panel TV.
Traditional television acoustics system adopts the loudspeaker opening or built-in design down, again because the resonance of thin plastic cement shell and more inner parts, the sound quality of sending is relatively poor, and the phenomenons such as housing resonance that the especially sound coloration of intermediate frequency (nasal sound phenomenon) phenomenon and low frequency cause are the most serious.
[utility model content]
Based on this, be necessary to provide a kind of sound quality passive preferably sound system.
A kind of passive sound system, comprise bass channel, L channel and R channel, described bass channel comprises the first bass horn circuit and the second bass horn circuit in parallel, described L channel comprises the first mediant trumpet circuit, the first loudspeaker circuit and the first superelevation sound horn circuit in parallel, and described R channel comprises the second mediant trumpet circuit, the second loudspeaker circuit and the second superelevation sound horn circuit in parallel.
Preferably, the described first bass horn circuit comprises that resistance is that 16 ohm, power are 10 watts first bass horn, and the described second bass horn circuit comprises that resistance is 16 ohm, and power is 10 watts second bass horn.
Preferably, the described first mediant trumpet circuit comprises that resistance is that 8 ohm, power are 10 watts first mediant trumpet, and the described second mediant trumpet circuit comprises that resistance is that 8 ohm, power are 10 watt of second mediant trumpet.
Preferably, the described first loudspeaker circuit comprises first loudspeaker, and described first loudspeaker is that specification is the cone loudspeaker of 30 * 70mm; The described second loudspeaker circuit comprises second loudspeaker, and described second loudspeaker is that specification is the cone loudspeaker of 30 * 70mm.
Preferably, the described first superelevation sound horn circuit comprises the first superelevation sound loudspeaker, and the described first superelevation sound loudspeaker are that diameter is 20 millimeters a cortina loudspeaker; The described second superelevation sound horn circuit comprises the second superelevation sound loudspeaker, and the described second superelevation sound loudspeaker are that diameter is 20 millimeters a cortina loudspeaker.
Preferably, the bell-mouthed plastic cement of described first, second loudspeaker partly is provided with shallow bugle; The bell-mouthed plastic cement of described first, second superelevation sound loudspeaker partly is provided with shallow bugle.
This passive sound system adopts the mode of the combination sounding of a plurality of loudspeaker by a plurality of sound channels, and tonequality is better.
In addition, also provide a kind of TV that adopts above-mentioned passive sound system.
A kind of TV comprises display, sound system and power amplifier output, it is characterized in that, described sound system is above-mentioned passive sound system, and described passive sound system links to each other with described power amplifier output.
Described TV can adopt built-in passive sound system, also can adopt external passive sound system.
Preferably, described first, second mediant trumpet directly links to each other with described power amplifier output.
Preferably, described first, second bass horn is arranged on the middle part of described display lower limb, described first, second mediant trumpet is arranged on the both sides of described display lower limb, described first loudspeaker is arranged between described first bass horn and described first mediant trumpet, described second loudspeaker is arranged between described second bass horn and described second mediant trumpet, and first, second superelevation sound loudspeaker are separately positioned on the vertical edge of described display.
Preferably, described passive sound system is the passive sound system of horizontal stripe formula; Following being arranged in order of described horizontal stripe formula each loudspeaker of passive sound system: the first superelevation sound loudspeaker, first mediant trumpet, first loudspeaker, first bass horn, second bass horn, second loudspeaker, second mediant trumpet, the second superelevation sound loudspeaker.
The TV of the passive sound system of this employing, tonequality is better, wiring is simple, utilizes the circuit sounding of TV itself, and cost is low, practical.
[description of drawings]
Fig. 1 is the structural representation of the TV of an embodiment;
Fig. 2 is the structural representation of the TV of an embodiment;
Fig. 3 shows the circuit diagram of the passive sound system bass channel of TV for Fig. 1;
Fig. 4 shows the circuit diagram of the passive sound system L channel of TV for Fig. 1;
Fig. 5 shows the circuit diagram of the passive sound system R channel of TV for Fig. 1.
[embodiment]
Below in conjunction with specific embodiment passive sound system and TV are further described.
TV as shown in Figure 1 comprises display 100 and the built-in passive sound system 200 that is positioned at display 100 belows.Passive sound system 200 comprises bass channel, L channel and R channel, bass channel comprises the first bass horn S1 and the second bass horn S2 in parallel, L channel comprises the first mediant trumpet S3, the first loudspeaker S4 and the first superelevation sound loudspeaker S5 in parallel, and R channel comprises the second mediant trumpet S6, the second loudspeaker S7 and the second superelevation sound loudspeaker S8 in parallel.The first bass horn S1 and the second bass horn S2 are arranged on the middle part of display 100 lower limbs, the first mediant trumpet S3 and the second mediant trumpet S6 are arranged on the both sides of display 100 lower limbs, the first loudspeaker S4 is arranged between the first bass horn S1 and the first mediant trumpet S3, the second loudspeaker S7 is arranged between the second bass horn S2 and the second mediant trumpet S6, and first, second superelevation sound loudspeaker S5, S8 are separately positioned on the vertical edge of display 100.
In the present embodiment, TV itself has power amplifier output (not shown), and passive sound system 200 links to each other with this power amplifier output.
TV as shown in Figure 2 comprises display 300 and the passive sound system 400 of external horizontal stripe formula that is positioned at display 300 belows.Each loudspeaker is following is arranged in order for the passive sound system 400 of horizontal stripe formula: the first superelevation sound loudspeaker S50, the first mediant trumpet S30, the first loudspeaker S40, the first bass horn S10, the second bass horn S20, the second loudspeaker S70, the second mediant trumpet S60, the second superelevation sound loudspeaker S80.The passive sound system of horizontal stripe formula in the present embodiment, its circuit structure shows that with Fig. 1 passive sound system is identical.
As Fig. 3, Fig. 4, Figure 5 shows that Fig. 1 shows the circuit diagram of the passive sound system of TV, the power amplifier output of TV comprises: bass channel socket CN1, L channel socket CN2, R channel socket CN3; Bass channel socket CN1, L channel socket CN2, R channel socket CN3 can be sockets, also can adopt the socket more than 2 or 2.When bass channel socket CN1, L channel socket CN2, R channel socket CN3 were socket of function integration, conserve space reduced wiring simultaneously.
In the present embodiment, CN1, CN2 and CN3 are actually a socket, just for clearer display circuit, have adopted different names.
The circuit diagram of bass channel as shown in Figure 3, be connected with bass channel socket CN1 after two identical bass horn first bass horn S1 and the second bass horn S2 parallel connection, the first bass horn S1 and the second bass horn S2 resistance are 16 ohm, and power is 10 watts.The first bass horn circuit is made of the first bass horn S1, and the second bass horn circuit is made of the second bass horn S2.
The circuit diagram of L channel as shown in Figure 4, the first mediant trumpet circuit are that 8 ohm, power are that 10 watts the first mediant trumpet S3 constitutes by resistance, and the first mediant trumpet S3 directly is connected with L channel socket CN2.The first loudspeaker circuit comprises the first loudspeaker S4, first capacitor C 1, first resistance R 1; The first loudspeaker S4 is the cone loudspeaker of 30 * 70mm, and first capacitor C 1 of connecting again after the first loudspeaker S4 and 1 parallel connection of first resistance R forms the first loudspeaker circuit.The first superelevation sound horn circuit comprises the first superelevation sound loudspeaker S5, second capacitor C 2, second resistance R 2; The first superelevation sound loudspeaker S5 is the cortina loudspeaker of diameter 20mm, and second capacitor C 2 of connecting again after the first superelevation sound loudspeaker S5 and 2 parallel connections of second resistance R forms the first superelevation sound horn circuit.Be connected with L channel socket CN2 after the first loudspeaker circuit and the first superelevation sound horn circuit parallel connection.The bell-mouthed plastic cement of the first superelevation sound loudspeaker S5 partly is provided with shallow bugle.
The circuit diagram of R channel as shown in Figure 5, the second mediant trumpet circuit are that 8 ohm, power are that 10 watts the second mediant trumpet S6 constitutes by resistance, and the second mediant trumpet S6 directly is connected with R channel socket CN3.The second loudspeaker circuit comprises the second loudspeaker S7, the 3rd capacitor C 3, the 3rd resistance R 3; The second loudspeaker S7 is the cone loudspeaker of 30 * 70mm, and the 3rd capacitor C 3 of connecting again after the second loudspeaker S7 and 3 parallel connections of the 3rd resistance R forms the second loudspeaker circuit.The second superelevation sound horn circuit comprises the second superelevation sound loudspeaker S8, the 4th capacitor C 4, the 4th resistance R 4; The second superelevation sound loudspeaker S8 is the cortina loudspeaker of diameter 20mm, and the 4th capacitor C 4 of connecting again after the second superelevation sound loudspeaker S8 and 4 parallel connections of the 4th resistance R forms the second superelevation sound horn circuit.Be connected with R channel socket CN3 after the second loudspeaker circuit and the second superelevation sound horn circuit parallel connection.The bell-mouthed plastic cement of the second superelevation sound loudspeaker S8 partly is provided with shallow bugle.
In other embodiment, the bell-mouthed plastic cement part of first, second loudspeaker also can be provided with shallow bugle, to widen the directive property of sound horn.
In the present embodiment, L channel, R channel and bass channel difference be Be Controlled independently.
Preferably, first, second loudspeaker and indicator screen are arranged on the same side, and first, second superelevation sound loudspeaker and indicator screen are arranged on not ipsilateral.
Above-mentioned passive sound system adopts the mode of the combination sounding of a plurality of loudspeaker by a plurality of sound channels, and tonequality is better.
Bass channel adopts two identical loudspeaker parallel connections, has improved output sound pressure level.
First, second mediant trumpet directly links to each other with socket, and the work limitation rate is higher, and the voice reduction ratio is more abundant, full.
First, second loudspeaker tone color performance nature is abundant, is arranged on the same side with indicator screen, just in the face of the panel TV user; First, second superelevation sound loudspeaker tone color exquisiteness is soft, expressive force is strong, is arranged on not ipsilateral with indicator screen, and directly in the face of the panel TV user, by such setting, the sound good tone color, the third dimension that make above-mentioned passive sound system send are not strong.
The bell-mouthed plastic cement of first, second superelevation sound loudspeaker partly is provided with shallow bugle, has further widened the directive property of sound horn.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. passive sound system, comprise bass channel, L channel and R channel, it is characterized in that, described bass channel comprises the first bass horn circuit and the second bass horn circuit in parallel, described L channel comprises the first mediant trumpet circuit, the first loudspeaker circuit and the first superelevation sound horn circuit in parallel, and described R channel comprises the second mediant trumpet circuit, the second loudspeaker circuit and the second superelevation sound horn circuit in parallel.
2. passive sound system as claimed in claim 1, it is characterized in that, the described first bass horn circuit comprises that resistance is that 16 ohm, power are 10 watts first bass horn, and the described second bass horn circuit comprises that resistance is 16 ohm, and power is 10 watts second bass horn.
3. passive sound system as claimed in claim 1, it is characterized in that, the described first mediant trumpet circuit comprises that resistance is that 8 ohm, power are 10 watts first mediant trumpet, and the described second mediant trumpet circuit comprises that resistance is that 8 ohm, power are 10 watt of second mediant trumpet.
4. passive sound system as claimed in claim 1 is characterized in that, the described first loudspeaker circuit comprises first loudspeaker, and described first loudspeaker is that specification is the cone loudspeaker of 30 * 70mm; The described second loudspeaker circuit comprises second loudspeaker, and described second loudspeaker is that specification is the cone loudspeaker of 30 * 70mm.
5. passive sound system as claimed in claim 1 is characterized in that, the described first superelevation sound horn circuit comprises the first superelevation sound loudspeaker, and the described first superelevation sound loudspeaker are that diameter is 20 millimeters a cortina loudspeaker; The described second superelevation sound horn circuit comprises the second superelevation sound loudspeaker, and the described second superelevation sound loudspeaker are that diameter is 20 millimeters a cortina loudspeaker.
6. passive sound system as claimed in claim 1 is characterized in that, the bell-mouthed plastic cement of described first, second loudspeaker partly is provided with shallow bugle; The bell-mouthed plastic cement of described first, second superelevation sound loudspeaker partly is provided with shallow bugle.
7. a TV comprises display, sound system and power amplifier output, it is characterized in that, described sound system is that described passive sound system links to each other with described power amplifier output as each described passive sound system in the claim 1～6.
8. TV as claimed in claim 7 is characterized in that, described first, second mediant trumpet directly links to each other with described power amplifier output.
9. TV as claimed in claim 7, it is characterized in that, described first, second bass horn is arranged on the middle part of described display lower limb, described first, second mediant trumpet is arranged on the both sides of described display lower limb, described first loudspeaker is arranged between described first bass horn and described first mediant trumpet, described second loudspeaker is arranged between described second bass horn and described second mediant trumpet, and first, second superelevation sound loudspeaker are separately positioned on the vertical edge of described display.
10. TV as claimed in claim 7 is characterized in that, described passive sound system is the passive sound system of horizontal stripe formula; Following being arranged in order of described horizontal stripe formula each loudspeaker of passive sound system: the first superelevation sound loudspeaker, first mediant trumpet, first loudspeaker, first bass horn, second bass horn, second loudspeaker, second mediant trumpet, the second superelevation sound loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205183966U CN201774664U (en) | 2010-09-03 | 2010-09-03 | Passive acoustic system and television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205183966U CN201774664U (en) | 2010-09-03 | 2010-09-03 | Passive acoustic system and television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774664U true CN201774664U (en) | 2011-03-23 |
Family
ID=43754504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205183966U Expired - Fee Related CN201774664U (en) | 2010-09-03 | 2010-09-03 | Passive acoustic system and television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201774664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547544A (en) * | 2011-10-27 | 2012-07-04 | 厦门华侨电子股份有限公司 | Sound system using flat-screen television to externally connect hotel bathroom |
| CN104378711A (en) * | 2014-12-02 | 2015-02-25 | 北京京东方多媒体科技有限公司 | Loudspeaker and television with same |
-
2010
- 2010-09-03 CN CN2010205183966U patent/CN201774664U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547544A (en) * | 2011-10-27 | 2012-07-04 | 厦门华侨电子股份有限公司 | Sound system using flat-screen television to externally connect hotel bathroom |
| CN104378711A (en) * | 2014-12-02 | 2015-02-25 | 北京京东方多媒体科技有限公司 | Loudspeaker and television with same |
| US10291984B2 (en) | 2014-12-02 | 2019-05-14 | Boe Technology Group Co., Ltd. | Speaker, television provided with the speaker and multimedia device |
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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: 20110323 Termination date: 20170903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |