CN103260107A - speakers - Google Patents

Abstract

The invention discloses a sound box in the technical field of sound equipment, which comprises a box body, wherein a power cavity, a bass cavity and a treble cavity are formed in the front end face of the box body, a passive radiator and a woofer are arranged in each bass cavity, a full-range loudspeaker and a tweeter are arranged in each treble cavity, a power amplifier circuit board, a CPU circuit board, an LCD component and a touch panel are arranged in the power cavity, the LCD component, the touch panel and the power amplifier circuit board are respectively and electrically connected with the CPU circuit board, and the passive radiator, the woofer, the full-range loudspeaker and the tweeter are respectively and electrically connected with the power amplifier circuit board; and through the combination of passive radiator, woofer, full range loudspeaker, tweeter order emission, reinforcing sound field sense, stereovision and location sense, the sound field is wide, improves output sound quality.

Description

Audio amplifier

Technical field

The present invention relates to the stereo set technical field, relate in particular to a kind of audio amplifier.

Background technology

Audio amplifier is the terminal of whole sound system, and its effect is that the audio frequency electric energy is converted to corresponding acoustic energy, and it is radiated the space.It is the extremely important part of sound system, because it is being undertaken and the signal of telecommunication is transformed into acoustical signal is directly listening to so mission critical for people's ear, it is wanted directly and people's the sense of hearing is come into contacts with, and people's the sense of hearing is very sensitive, and the tone color of complex sound is had very strong resolving ability.Because people's ear is estimated the most important standard of a sound system tonequality quality just to the subjective feeling of sound, therefore, can think that the performance height of audio amplifier is to play key effect to the playing quality of a sound system.

At present, comprise high, medium and low three kinds of loudspeaker in the audio amplifier, and the collocation of various loudspeaker and position distribution all are the key factors that influences audio amplifier tonequality.The bass effect of audio amplifier and the size of loudspeaker have much relations, supporting enclosure size such as a lot of and television set on the market, computer require all very little now, bass effect is difficult to show, can only increase a subwoofer in order to improve this situation, but bigger by the volume ratio of doing subwoofer, therefore will inevitably influence the installing space of television set, computer again and effect is installed.

Summary of the invention

The object of the present invention is to provide a kind ofly improve output audio quality, volume is little and audio amplifier that bass effect is good.

For achieving the above object, technical scheme of the present invention is for providing a kind of audio amplifier, include casing, offer power source cavity on the casing front end face, at least one bass chamber, at least one high pitch chamber, be provided with passive radiator in each bass chamber, bass horn, be provided with the full range loudspeaker in each high pitch chamber, loudspeaker, be provided with the power amplifier plate in the power source cavity, cpu pcb, the LCD assembly, Trackpad, the LCD assembly, Trackpad, the power amplifier plate is electrically connected with cpu pcb respectively, passive radiator, bass horn, the full range loudspeaker, loudspeaker is electrically connected with the power amplifier plate respectively.

Preferable, described power source cavity is positioned at the middle part of casing, the left and right sides of power source cavity all is provided with bass chamber, high pitch chamber successively, the passive radiator, bass horn, full range loudspeaker, loudspeaker that are positioned at the same side are arranged to the side straight line by the casing middle part successively.

Preferable, passive radiator, bass horn, full range loudspeaker, the loudspeaker that is positioned at the power source cavity both sides is left-right symmetric and distributes.

Preferable, described casing is wooden structures.

Preferable, the front end face of described casing is provided with rack.

Preferable, the rear end of described casing is provided with wall hanging piece, offers hanging hole on the wall hanging piece.

Preferable, described power amplifier plate is provided with input interface.

Preferable, fixedly there is back shroud the rear end of described power source cavity, input interface extends outside the back shroud.

Preferable, the front end housing of described power source cavity is provided with the bass panel, the bass panel is the black transparent structure, Trackpad and LCD assembly are arranged on bass panel rear end.

The preferable wire drawing aluminium flake that has been sticked in, the bottom of described bass panel front end face.

Compared with prior art, the present invention includes casing, offer power source cavity on the casing front end face, at least one bass chamber, at least one high pitch chamber, be provided with passive radiator in each bass chamber, bass horn, be provided with the full range loudspeaker in each high pitch chamber, loudspeaker, be provided with the power amplifier plate in the power source cavity, cpu pcb, the LCD assembly, Trackpad, the LCD assembly, Trackpad, the power amplifier plate is electrically connected with cpu pcb respectively, passive radiator, bass horn, the full range loudspeaker, loudspeaker is electrically connected with the power amplifier plate respectively, the present invention adopts passive radiator that the bass of bass horn is extended significantly, bass effect is better than subwoofer, volume is little and bass effect is good, solves the bad problem of little volume bass; And discharge combination in proper order by passive radiator, bass horn, full range loudspeaker, loudspeaker, strengthen sound field sense, stereovision and location sense, sound field is open, improves output audio quality.

Description of drawings

Fig. 1 is structural representation of the present invention.

Fig. 2 is the structural representation at another visual angle of the present invention.

Fig. 3 is decomposing schematic representation of the present invention.

Fig. 4 is cutaway view of the present invention.

Embodiment

The invention will be further described below in conjunction with accompanying drawing and preferred embodiment, please refer to shown in Fig. 1-4, the present invention includes casing 1, offer power source cavity 11 on casing 1 front end face, at least one bass chamber 12, at least one high pitch chamber 13, be provided with passive radiator 2 in each bass chamber 12, bass horn 3, be provided with full range loudspeaker 4 in each high pitch chamber 13, loudspeaker 5, be provided with power amplifier plate 6 in the power source cavity 11, cpu pcb 7, LCD assembly 8, Trackpad 9, LCD assembly 8, Trackpad 9, power amplifier plate 6 is electrically connected with cpu pcb 7 respectively, passive radiator 2, bass horn 3, full range loudspeaker 4, loudspeaker 5 is electrically connected with power amplifier plate 6 respectively.It is darker, more abundant that passive radiator 2 sinks bass.Bass horn 3 makes bass that dynamics, full, high resilience be arranged, and drives passive radiator 2 simultaneously.Full range loudspeaker 4 can make the complete surface of various trickle sound come out, and make people's sound sweet, the tone color elegance, and knot image force and body sense are strong.The present invention adopts passive radiator 2 that the bass of bass horn 3 is extended significantly, and it is darker, more abundant that bass is sunk, and bass effect is better than subwoofer, and volume is little and bass effect is good, solves the bad problem of little volume bass.

Casing 1 horizontally set, power source cavity 11 is positioned at the middle part of casing 1, the left and right sides of power source cavity 11 all is provided with bass chamber 12, high pitch chamber 13 successively, and the passive radiator 2, bass horn 3, full range loudspeaker 4, the loudspeaker 5 that are positioned at the same side are arranged to the side straight line by casing 1 middle part successively.The present invention strengthens sound field sense, stereovision and location sense by passive radiator 2, bass horn 3, full range loudspeaker 4, loudspeaker 5 order discharging combinations, and sound field is open, improves output audio quality.The passive radiator 2, bass horn 3, full range loudspeaker 4, the loudspeaker 5 that are positioned at power source cavity 11 both sides are left-right symmetric and distribute, and strengthen third dimension.

Casing 1 is wooden structures, has better audio.The front end face of casing 1 is provided with rack 14.The rear end of casing 1 is provided with wall hanging piece 15, offers hanging hole 151 on the wall hanging piece 15, conveniently the present invention is hung on the wall.

Power amplifier plate 6 is provided with input interface 61, and fixedly there is back shroud 16 rear end of power source cavity 11, and input interface 61 extends outside the back shroud 16, is convenient to input wires.

The front end housing of power source cavity 11 is provided with bass panel 17; Trackpad 9 and LCD assembly 8 are arranged on bass panel 17 rear ends; bass panel 17 is the black transparent structure; inner light can be appeared by bass panel 17; and internal structure can not be seen in the outside, can show character again when starting shooting simultaneously, makes the globality of panel strong; specious, effectively protect Trackpad 9 and LCD assembly 8 etc.The bottom of the bass panel 17 front end faces wire drawing aluminium flake 18 that has been sticked.

Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to the present patent application claim still belongs to the scope that the present invention is contained.

Claims (10)

1. A sound box, comprising a cabinet, is characterized in that: the front end of the cabinet is provided with a power chamber, at least one bass chamber, at least one treble chamber, each bass chamber is provided with a passive radiator, a bass Horns, each of the tweeter chambers is provided with a full-frequency speaker and a tweeter, and the power supply chamber is provided with a power amplifier circuit board, a CPU circuit board, an LCD assembly, a touch panel, and the LCD assembly and the touch panel . The power amplifier circuit board is electrically connected to the CPU circuit board, and the passive radiator, the woofer, the full-range speaker, and the tweeter are respectively electrically connected to the power amplifier circuit board. 2. The sound box according to claim 1, characterized in that: the power chamber is located in the middle of the box body, the left and right sides of the power chamber are provided with a bass chamber and a treble chamber in turn, and all the chambers located on the same side The passive radiator, the woofer, the full-range speaker, and the tweeter are sequentially arranged in a straight line from the middle of the box to the side. 3. The sound box according to claim 1, characterized in that: the passive radiator, the woofer, the full-range speaker and the tweeter located on both sides of the power chamber are symmetrically distributed. 4. The sound box according to claim 1, wherein the box body is made of wood. 5. The sound box according to claim 1, characterized in that: the front end of the box body is provided with a grid. 6. The sound box according to claim 1, characterized in that: a wall hanging piece is provided at the rear end of the box body, and a hanging hole is opened on the wall hanging piece. 7. The sound box according to claim 1, characterized in that: said power amplifier circuit board is provided with an input interface. 8. The sound box according to claim 7, wherein a rear cover is fixed to the rear end of the power cavity, and the input interface extends out of the rear cover. 9. The sound box according to any one of claims 1-8, characterized in that: the front cover of the power chamber is provided with a bass panel, the bass panel is a black light-transmitting structure, the touch panel and the The LCD assembly is arranged at the rear end of the bass panel. 10. The sound box according to claim 9, wherein a brushed aluminum sheet is pasted on the bottom of the front end of the bass panel.

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