CN201039444Y

CN201039444Y - Improved long sound box structure

Info

Publication number: CN201039444Y
Application number: CNU2007200628590U
Authority: CN
Inventors: 王智人
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-03
Filing date: 2007-04-03
Publication date: 2008-03-19
Anticipated expiration: 2017-04-03

Abstract

The utility model discloses an improved structure for a long sound box, mainly comprising a sound box body. The long sound box is internally provided with a roundabout transmission channel which is formed by arranging a plurality of clapboards in the case body layer upon layer and alternately. The transmission channel is outwards provided with a bugle type opening and a sound outlet. By adopting the structure, the utility model can get a longer transmission channel in a limited volume by effectively utilizing the space to increase the extending of low frequency so as to produce better sound quality. The product of the utility model is particularly suitable for being used in a liquid crystal TV and a liquid crystal display, thereby vastly improving the sound quality.

Description

Microscler audio amplifier structure-improved

Technical field:

The utility model relates to the innovation on a kind of audio amplifier, especially finger is a kind of can effectively plan application by the space, make and obtain long transmission channel in certain limited volume, the extension that increases low frequency can significantly improve the microscler audio amplifier structure-improved of its pronunciation texture to produce splendid voice effect.

Background technology:

Music figurability feelings body and mind relaxing is cultivated cultural quality, be in the present busy industrial and commercial society, effectively alleviate the simplest a kind of mode of pressure, its Related product is also constantly innovated along with the epoch are progressive, for example, and early stage bulky crystal receiver, so far replaced by advanced CD audio, the iconoscope television video equipment of huge heaviness in the past, also along with the appearance of LCDs, LCD TV, and reduced volume significantly.

But along with the hardware outward appearance is dwindled, the consumer but is a day more raising to the requirement of audio-visual texture, so relevant audio-visual devices is wanted the top grade except sound equipment itself, the Horn loudspeaker box of its terminal output equipment also is a key factor of decision tonequality quality, the design of loudspeaker box structure, whole efficiency for loudspeaker, the tone color orientation all has great influence, yet the purposes of being used influences, they are also just greatly different on structure Design, for example: at the bass horn design aspect, each shape of its audio amplifier is proper as if planning, the conversion efficiency of low frequency effectively can be promoted.

Only, loudspeaker appended on the so far known general LCD mostly are the type in spring greatly, and its used structure is probably all announced a kind of loudspeaker structure-improved of patent No. 458466 as TaiWan, China, and mainly comprise: a supporting seat is provided with magnetic and returns (round iron) under it; One voice coil loudspeaker voice coil has a suitable long stack shell, and the one end is established coil and returned in (round iron) to put at magnetic, and other holds to such an extent that slightly exceed supporting seat; One vibrating diaphragm is that a round concave shape is to be covered in the voice coil loudspeaker voice coil top; And an outstanding limit, being the elastomer of stage casing tool wave amplitude, an end is received face and is linked on the seating plane, and end is received face and directly is connected with on sound cylinder body side in addition.Its volume structure is because very little event can be as shown in Figure 1, though can effectively hide any corner that is placed on LCD in the application, its voice effect is then very common, does not appeal to refined taste.

In addition, though all bragging about on it, present higher LCD TV adds the stereo surround loudspeaker, but for fear of the restriction on the LCD TV volume moulding appearance factor, so the loudspeaker box structure that it is inner used also only is to adopt general popular configuration mode, promptly respectively opens a simple space on the screen both sides, built-in acoustical cotton is with as its Horn loudspeaker box, there is no good planning all the time,, be its disadvantage so can't produce better sound sound texture.

The utility model content:

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, a kind of microscler audio amplifier structure-improved is provided, effectively plan application by the space, make and in certain limited volume, obtain long transmission channel, the extension that increases low frequency is to produce splendid voice effect, its product is specially adapted to dispose on LCD TV and the LCD, and can significantly improve its pronunciation texture.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of microscler audio amplifier structure-improved, it comprises that mainly one is microscler casing, this box house has transmission channel, this transmission channel is outwards offered perforate, and the sender of configuration loudspeaker, be characterized in: described transmission channel is circuitous transmission channel, and this passage is formed in the configuration of casing interior-layer layer interleaved by the number dividing plate.

By this, can effectively utilize the space, obtain long transmission channel in certain limited volume, the extension that increases low frequency produces splendid voice effect, make its product be specially adapted to dispose on LCD TV and the LCD, and can significantly improve its pronunciation texture.

Constitution content of the present utility model and other characteristics after can describing in detail in the embodiment of the following conjunction with figs. of reading, and are tending towards clear.

Description of drawings:

Fig. 1 is the loudspeaker allocation plan of known LCD.

Fig. 2 is the cut-away view of microscler audio amplifier of the present utility model.

Fig. 3 is the cut-away view that is provided with chamfering between audio amplifier of the present utility model and dividing plate.

Fig. 4 is the sectional drawing of baffle dimensions of the present utility model and audio amplifier internal diameter ratio.

Fig. 5 is that dividing plate of the present utility model is adopted the cut-away view that log function arithmetic series distributes.

Fig. 6 is that the another kind of cut-away view that separates mode is adopted in inner space of the present utility model.

Fig. 7 is the application schematic diagram of the utility model collocation in LCD.

Fig. 8 is the Another Application schematic diagram of the utility model collocation in LCD.

Label declaration:

1 casing, 2 transmission channels

22 holes, 21 holes

25 senders, 3 dividing plates

30 dividing plates, 31 passwaies

35 chamferings, 41 loudspeaker

42 loudspeaker, 5 display screens

Embodiment:

As shown in Figure 2, a kind of microscler audio amplifier structure-improved that the utility model is set, it mainly comprises:

One casing 1, be microscler, its inside has a circuitous transmission channel 2, is formed in the configuration of casing 1 interior-layer layer interleaved by number dividing plate 3, one side direction of this transmission channel 2 is provided with a sender 25 outward, and is provided with the

loudspeaker

41,42 of perforate 21,22 with the high bass of configuration tool outside this side direction;

By this, can effectively utilize the space, obtain long transmission channel 2 in certain limited volume, the extension that increases low frequency is to produce splendid voice effect.

During enforcement, as Fig. 2-shown in Figure 5, this microscler casing 1 is except being the long rectangular cylinder as shown, certainly also can be made into circle, oval, polygon, do not wait shape or fusiform cylinder (not shown), and its inner number dividing plate 3 can adopt the plate body of high rigidity PVC material or same rigidity material made, the size of its inner each dividing plate 3 passway that forms 31 again, with 1/5～1/3 of casing 1 internal diameter size is the best, as shown in Figure 4, in addition, also casing 1 and each dividing plate 3 corner can be set as chamfering 35 during enforcement, as shown in Figure 3, so can effectively reduce the generation of overtone, remove this, if obtain better sound sound texture, in its casing 1, also can as tradition, add and be covered with acoustical cotton.

See also shown in Figure 5, during making, several dividing plates 3 that a side is had in its casing 1 can be made as the configuration of odd number layer, and be log function arithmetic series between its each layer dividing plate 3 and distribute, make the interval that is positioned at lower floor gradually wide, and the interval on upper strata is narrower, its sender 25 is also configurable in the same side with

loudspeaker

42,41 again, supply to set out sound hole 25 in transmission channel 2 the superiors' terminals, and transmission channel 2 orlop sides dispose for bass horn 41, its 3rd layer of side is for loudspeaker 42 configurations.

See also shown in Figure 6, its transmission channel 2 is except available aforementioned flat dividing plate 3, also can adopt another kind to separate mode reaches, be that the L shaped dividing plate 30 of casing 1 inner employing separates, during manufacturing, its two arm staggered being is disposed in the casing 1 embracing, so also can casing 1 in, forms one just like the lengthening transmission channel 2 as the shell, also can reach the effect of the extension raising tonequality of increase low frequency in the same manner.

As Fig. 7-shown in Figure 8, the microscler audio amplifier of above-listed combination all can obtain splendid output effect, so its product is specially adapted to dispose on LCD TV and the LCD, no matter be with this casing 1 be upright about each configuration, and the centre inserts and puts a LCDs 5, or with casing 1 each configuration that couches up and down, insert and put a LCDs 5 in the centre, use all very convenient in space planning, and importantly its combining structure all can effectively improve pronunciation texture, the sound press that loudspeaker below during with Dan Zhisan can produce frequency response SPL45Hz～20KHz reaches the effect of 81db (watt/meter), replaces many array horn designs modes of tradition, effectively reduces cost.

In sum, the set structure of the utility model is simplified practicality, can effectively improve sound sound texture, and function far wins prior art, and tool progressive and industrial utilization propose novel patent application in accordance with the law.

Above-mentioned specific embodiment is to be used for describing in detail the purpose of this utility model, feature and effect, for the people who is familiar with this type of skill, according to the above description, may make partly change and modification to this specific embodiment, its essence does not detach spiritual category of the present utility model, all should be included in the claim of this case suitable first Chen Ming.

Claims

1. microscler audio amplifier structure-improved, it comprises that mainly one is microscler casing, this box house has transmission channel, this transmission channel is outwards offered perforate, and the sender of configuration loudspeaker, it is characterized in that: described transmission channel is circuitous transmission channel, and this passage is formed in the configuration of casing interior-layer layer interleaved by the number dividing plate.

2. microscler audio amplifier structure-improved according to claim 1 is characterized in that: described casing is long rectangle, circle, ellipse, polygon, do not wait in shape, the streamlined cylinder any.

3. microscler audio amplifier structure-improved according to claim 2 is characterized in that: described box house passway that each dividing plate forms is of a size of 1/5～1/3 of casing internal diameter size.

4. microscler audio amplifier structure-improved according to claim 2 is characterized in that: increase the shop acoustical cotton in the described casing, and the number dividing plate adopts high rigidity PVC material to make, and casing and its dividing plate corner are provided with the chamfering of minimizing overtone.

5. microscler audio amplifier structure-improved according to claim 2 is characterized in that: several dividing plates that described box house one side is had distribute for the odd number layer, and are the distribution of log arithmetic series between its each layer, and lower floor is gradually wide at interval, and the upper strata is gradually narrow at interval.

6. microscler audio amplifier structure-improved according to claim 2, it is characterized in that: described sender and loudspeaker are configured in the same side of this transmission channel, this transmission channel the superiors terminal sets out sound hole, its orlop side configuration bass horn, its 3rd layer of side configuration loudspeaker.

7. microscler audio amplifier structure-improved according to claim 2 is characterized in that: each configuration about being uprightly on the LCDs of described casing.

8. microscler audio amplifier structure-improved according to claim 2 is characterized in that: described casing is each configuration up and down that couches on LCDs.

9. microscler audio amplifier structure-improved according to claim 2 is characterized in that: several dividing plates of described box house are L-shaped, and this dividing plate is disposed in the casing embracing so that two arms are staggered, form the lengthening transmission channel as the shell.

10. microscler audio amplifier structure-improved according to claim 2, it is waited to levy and is: the used loudspeaker of described box house were of a size of below 3 o'clock, and its sound press that produces frequency response SPL45Hz～20KHz reaches 81db.