CN201063855Y

CN201063855Y - Plate speaker

Info

Publication number: CN201063855Y
Application number: CNU200720119224XU
Authority: CN
Inventors: 邹志勇; 冷松
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-29
Filing date: 2007-03-29
Publication date: 2008-05-21
Anticipated expiration: 2017-03-29

Abstract

The utility model relates to a flat sound box, comprising a box body and a speaker arranged on the box body. The box body is lichen and is provided with an aperture at the bottom part, and the speaker is arranged at the top part of the box body, wherein the rear end of the speaker retains the interior wall of the box body. The cavity of the box body below the speaker forms a resonant cavity, wherein a sound absorbing device is arranged in the resonant cavity. The sound absorbing device arranged in the flat sound box body of the utility model is capable of effectively repressing and decomposing vibration, dispelling acoustic coloration, performing shock absorption and noise reduction, and restoring the timbre to the original. The utility model has hi-fi effect and can be processed to be very thin.

Description

A kind of plat sound box

Technical field

The utility model relates to a kind of audio amplifier, particularly relates to a kind of plat sound box of high-fidelity.

Background technology

As everyone knows, existing speaker products all is by " infinitely great baffle " and " resonant tank " principle design, therefore is subjected to the restriction of casing internal volume, in order to guarantee tonequality, the casing volume of audio amplifier is all done relatively largely, so just makes in the home decoration poor effect.Along with the development trend of ultra-thinization of household appliances, audio amplifier is also more and more towards miniaturization, slimming development.

A kind of plat sound box has also appearred on the existing market, it has advantages such as the bodily form is ultra-thin, directive property is good, be convenient to home decoration, use comparatively extensive, but because existing plat sound box adopts awave mode of vibration, and is subjected to the influence of other factors, the frequency response of this plat sound box has been subjected to very big restriction, especially performance is not ideal enough aspect LF-response, and the power of loud speaker also is restricted.

The utility model content

Technical problem to be solved in the utility model is: a kind of powerful ultrathin high-fidelity plat sound box is provided.It both can guarantee ultra-thinization of audio amplifier volume, and convenient various decorations are installed.The effect of high-fidelity can also be ensured, and enough big power can be born.

The technical scheme that the utility model adopted is: a kind of plat sound box is provided, includes casing and the loud speaker that is installed on this casing.Casing is one to have the flat casing of lower ending opening, and its inside is provided with cavity.Loud speaker is installed in the top of this casing, and the rear end of this loud speaker is against the inwall of this casing, and the box cavity that is positioned at the loud speaker bottom forms a resonant cavity, and is provided with sound absorption apparatus in this resonant cavity.

The beneficial effects of the utility model are: the utility model adopts flat sound box, and in resonant cavity, be provided with sound absorption apparatus, effectively suppress to cut apart vibration and eliminated sound coloration, make the tonequality reduction truer, make the utility model do very for a short time, and can reach high-fidelity, powerful effect.

Description of drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is an A-A profile of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is another embodiment schematic diagram of bracing frame of the present utility model.

Fig. 5 is the front view of the 3rd embodiment of the present utility model.

Fig. 6 is the rearview of the 3rd embodiment of the present utility model.

Fig. 7 is the rearview of the 4th embodiment of the present utility model.

Embodiment

As shown in Figure 1, be schematic diagram of the present utility model, it has disclosed a kind of integrated high-fidelity plat sound box of being made up of loud speaker and audio amplifier, and it mainly includes casing 1, and is installed in the loud speaker 2 on this casing 1.Described casing 1 is one to have the flat casing of lower ending opening 100, its inner cavity that forms, a casing bonnet 10 can be established in this casing 1 rear portion, described loud speaker 2 is installed in the top of this casing, this loud speaker 2 can be for woofer or high pitch loudspeaker a kind of, perhaps woofer or high pitch loudspeaker (see figure 5) can be installed simultaneously on this casing.

As shown in Figure 2, it is the A-A profile among Fig. 1, and please in the lump with reference to shown in Figure 3, this loud speaker 2 mainly by oscillating plate 20, connect dimension 3, voice coil loudspeaker voice coil 5, pad 7 and two blocks of magnet 6 and form, this loud speaker is to be fixed on the back plate 10 of described audio amplifier by support chip 4 and bracing ring 9.This loud speaker 2 is as follows with the connected mode of casing 1, establish a pad 7 in the middle of described two blocks of magnet 5 and be placed on voice coil loudspeaker voice coil 5 inside in the lump, the one end is bonded on the plate 10 of back, the other end be connected awl 3 and connect, this connects awl 3 and supports oscillating plate 20, this oscillating plate 1 is embedded in the front panel of casing 1, and is provided with a support chip 4 with being connected awl between 3 at voice coil loudspeaker voice coil 5, and this support chip 4 is fixing with back plate 10 by a bracing ring 5.

As shown in Figure 4, in another embodiment of the present utility model, this bracing ring 9 is made the integral type support with three steps, described voice coil loudspeaker voice coil 5, support chip 4 and oscillating plate 20 just are resisted against on these three steps, and plate 10 cementations behind the rear end of support 9 and the audio amplifier, its front end stretches out casing 1 front panel and fixing with it.Like this, described loud speaker 2 is more firm with being connected of casing 1.

In sound body 1 inside, the box cavity that is positioned under the loud speaker forms a resonant cavity 101, is used for the sound that loud speaker 1 is produced is resonated.

As shown in Figure 5, be the 3rd embodiment of the present utility model, in this embodiment, be provided with woofer 2 and high pitch loudspeaker 21 on the described casing 1 simultaneously.As shown in Figure 6, be in the present embodiment, casing 1 removes the rearview behind the plate 10 of back.As can be seen from the figure, be provided with sound absorption apparatus 11 in resonant cavity 1 01, this sound absorption apparatus 11 is mainly used in the effect that audio amplifier is played damping and noise reduction.In the present embodiment, this absorption plant 11 is for cementing in the high damping sound-absorbing material of casing 1 inwall.

As shown in Figure 7, be the 4th embodiment of the present utility model, in this embodiment, described absorption plant 11 is for being arranged on several pieces bending dividing plates in the resonant cavity 101, these dividing plates are divided into the little space of several connections with resonant cavity 101 inside, and it is tuning to form waveguide type, amplitude is amplified become energy absorption.

The utility model has been owing to adopted the sound box of platypelloid type, and is provided with sound absorption apparatus in this audio amplifier inside, can be effectively cut apart vibration and eliminate sound coloration suppressing, and carry out damping and noise reduction process, makes the tonequality reduction truer.Thereby make the sound box design limited by internal volume, can design and produce out more than the general small and exquisite high-fidelity plat sound box of audio amplifier.

Because miniaturization of the present utility model and ultra-thinization can be selected different size according to the different user requirement, or the brilliant flat-panel television peace of dosing is hung on the wall fully; Or the dispensing computer LCD is placed on the workbench fully; Joining traditional home appliance product peace again or fully falls within on the floor; Perhaps can be equipped to multichannel household audio and video systems such as 7.1/5.1/2.1 according to customer requirements.Both can guarantee the transaudient function of amplifying of high-fidelity tonequality, have fabulous ornamentally again that can cooperate various decorations to install, it had the characteristics of attractive in appearance and excellent performance.

Claims

1. plat sound box, it includes casing, is installed in the loud speaker on this casing, it is characterized in that:

Described casing is one to have the flat casing of lower ending opening, its inside is provided with cavity, and described loud speaker is installed in the top of this casing, and the rear end of this loud speaker is against the inwall of this casing, the box cavity that is positioned at the loud speaker bottom forms a resonant cavity, and is provided with sound absorption apparatus in this resonant cavity.

2. plat sound box as claimed in claim 1 is characterized in that: described sound absorption apparatus is the high damping sound-absorbing material that cements in cabinet wall.

3. plat sound box as claimed in claim 1 is characterized in that: described sound absorption apparatus is divided into resonant cavity for a slice at least the bending dividing plate in the little space of several connections.

4. as claim 1,2 or 3 each described plat sound box, it is characterized in that: described loud speaker is woofer or high pitch loudspeaker.

5. plat sound box as claimed in claim 4, it is characterized in that: described loud speaker mainly includes oscillating plate, connects dimension, voice coil loudspeaker voice coil, pad and two blocks of magnet, establish a pad in the middle of described two blocks of magnet and be placed on voice coil loudspeaker voice coil inside in the lump, the one end is bonded on the plate of back, the other end be connected awl and connect, this connects awl and supports oscillating plate, this oscillating plate is embedded in the front panel of casing, and voice coil loudspeaker voice coil be connected the awl between be provided with a support chip, this support chip is fixed by the back plate of a bracing ring and sound box.

6. plat sound box as claimed in claim 4, it is characterized in that: described bracing ring is one to have the integral type support of three steps, described voice coil loudspeaker voice coil, support chip and oscillating plate are resisted against on these three steps, and plate cementation behind the rear end of support and the audio amplifier, its front end stretches out casing front panel and fixing with it.