CN201131051Y

CN201131051Y - Wide sound field stereophony type speaker

Info

Publication number: CN201131051Y
Application number: CNU2007202018132U
Authority: CN
Inventors: 向凌云
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-29
Filing date: 2007-12-29
Publication date: 2008-10-08
Anticipated expiration: 2017-12-29

Abstract

The utility model discloses a wide amplitude acoustic field stereo loudspeaker, comprising a housing and a frequency divider, a bass loudspeaker, front high pitch loudspeakers and lateral side high pitch loudspeakers; the high pitch loudspeaker is sunken towards the housing, the sunken end is connected with the surface of the housing via a panel, a sound insulation board which is provided with crevices are arranged inside the housing and signal lines of the bass loudspeaker and the high pitch loudspeaker are connected with the output end of the frequency divider. The four high pitch loudspeakers enable the high pitch to be ample and the sound filed to be wide; the high pitch loudspeakers form four triangular cavities with the panel, which enables the sound field to be evenly distributed, the directivity of the high pitch is small and howling sound is not easy to be generated, which solves the restrictive problems met when appreciating music and songs within the room space; the lateral side high pitch loudspeakers can increase the gradation feeling of the space and reduce sound pressure at the front side and makes the sound more equilibrium. An inner chamber is divided by an insulation board and the housing volume is greatly reduced, which enables the stereo loudspeaker to be more convenient to install and more beautiful.

Description

The stereo formula loud speaker of a kind of wide width of cloth sound field

Technical field

The utility model relates to a kind of loud speaker, particularly relates to the stereo formula loud speaker of a kind of wide width of cloth sound field.

Background technology

Carry out music appreciation and when giving song recitals,, make the more balanced distribution of sound, acoustic pressure indoor, the limitation problem of small space is solved, special loud speaker occurred in order rationally to utilize limited space.At present, the loud speaker of modal indoor special use mainly contains two kinds on the market: a kind ofly be made up of casing, woofer, two high pitch loudspeakers, loud speaker all is installed on the top layer in casing front, like this be installed in indoor performance the time because the high pitch deficiency, sound field is narrow and small, and sound, acoustic pressure skewness weighing apparatus can make the people produce constriction, when using microphone to carry out indoor performance, owing to producing high pitch loudspeaker over against high pitch loudspeaker, microphone utters long and high-pitched sounds easily simultaneously.And the loud speaker of another kind of indoor special use, be many high pitch loudspeakers to be installed at casing, though solved the problem of high pitch deficiency, but high pitch loudspeaker still is installed in tank surface, so the still unresolved problem of uttering long and high-pitched sounds that is easy to generate when using microphone to carry out indoor performance, the problem of sound, acoustic pressure skewness weighing apparatus also still exists; And it need adopt bigger casing, and comparatively inconvenience is installed, and has influenced also that it is attractive in appearance.

Summary of the invention

The technical problems to be solved in the utility model is, a kind of high pitch abundance is provided, and sound field is wide, and sound, acoustic pressure distributing equilibrium are not easy simultaneously to produce and utter long and high-pitched sounds, and the less stereo formula loud speaker of wide width of cloth sound field of volume, to overcome the deficiencies in the prior art

The utility model is to constitute like this, it comprises casing 1 and is located at its interior frequency divider, side in casing 1 front is provided with woofer 2, opposite side is provided with two front high pitch loudspeakers of vertically arranging 4, on casing 1 side, also be provided with two side high pitch loudspeakers of vertically arranging 8 near positive front high pitch loudspeaker 4 one sides, front high pitch loudspeaker 4 and side high pitch loudspeaker 8 are to casing 1 sunken inside, its female ends is connected with the surface of casing 1 by panel 5, vertically be provided with a sound panel 6 that has slit 7 in casing 1 inside, the holding wire of woofer 2 and front high pitch loudspeaker 4 and side high pitch loudspeaker 8 is connected with the output of frequency divider.

In the above-mentioned three-dimensional loud speaker of wide width of cloth sound field, described two front high pitch loudspeakers 4 being located at casing 1 front towards difference, the side high pitch loudspeaker 8 of being located at casing 1 side is towards the front.

In the three-dimensional loud speaker of aforesaid wide width of cloth sound field, described front high pitch loudspeaker 4 is connected with it separately with the outerplanar that side high pitch loudspeaker 8 is installed and the angle of the panel 5 vertically placed is 70 °～90 °.

In the three-dimensional loud speaker of aforesaid wide width of cloth sound field, the area in described slit 7 is 1: 2 with the ratio of the area at the place, non-slit of sound panel 6.

In the three-dimensional loud speaker of aforesaid wide width of cloth sound field, the inner inner space near front high pitch loudspeaker 4 one sides of the casing separated by sound panel 61 is 1: 2 with ratio near the volume of the inner space of woofer 2 one sides.

In the three-dimensional loud speaker of aforesaid wide width of cloth sound field, on woofer 2, be provided with circular guard 3, on front high pitch loudspeaker 4 and side high pitch loudspeaker 8, be provided with the square guard 9 of integral type.

Because adopt technique scheme, compared with prior art, the utility model has adopted four high pitch loudspeakers, make the high pitch abundance, sound field is wide; Four high pitch loudspeaker and panels to the casing sunken inside have constituted four triangular pockets, such structure makes the reflection that sound is mutual, thereby make the sound field distributing equilibrium, the directive property of high pitch is littler, be not easy when using microphone, to produce and utter long and high-pitched sounds, thereby solved the limitation problem when the interior space is carried out music appreciation and sung, two side high pitch loudspeakers can strengthen the stereovision in space, have reduced positive sound press and have made sound balanced more.In addition, because it is concentrated relatively that high pitch loudspeaker is installed, and the same casing of the common employing of the inner room of high pitch loudspeaker and woofer, and vertically being provided with a sound panel that has the slit in casing is separated, the structure of this shared and mutual internal cavity, significantly reduced the volume of casing, made of the present utility model easy for installation, more attractive in appearance.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a front view of the present utility model;

Fig. 3 is an end view of the present utility model;

Fig. 4 is the structural representation of circular guard of the present utility model;

Fig. 5 is the structural representation of square guard of the present utility model;

Being labeled as of accompanying drawing: 1-casing, 2-woofer, the circular guard of 3-, 4-front high pitch loudspeaker, 5-panel, 6-sound panel, 7-slit, 8-side high pitch loudspeaker, the square guard of 9-.

Embodiment

Embodiment of the present utility model: structure such as Fig. 1 of this wide three-dimensional loud speaker of width of cloth sound field, 2,3, shown in 4, it comprises an existing commercially available casing 1 and installation frequency divider within it, side in casing 1 front is installed a woofer 2, opposite side is installed two front high pitch loudspeakers of vertically arranging 4 (for example can install a woofer 2 in the left side in casing 1 front, two front high pitch loudspeakers of vertically arranging 4 are installed on the right side), on side, two side high pitch loudspeakers of vertically arranging 8 are installed again near the casing 1 of positive front high pitch loudspeaker 4 one sides, and make front high pitch loudspeaker 4 and side high pitch loudspeaker 8 to casing 1 sunken inside, the female ends of front high pitch loudspeaker 4 and side high pitch loudspeaker 8 is connected by the surface of panel 5 with casing 1, each front high pitch loudspeaker 4 or side high pitch loudspeaker 8 connect three panels 5, the top and bottom of front high pitch loudspeaker 4 or side high pitch loudspeaker 8 are installed and connected to two levels wherein, an end of its depression is vertically installed and connected to another piece, a sound panel 6 that has slit 7 vertically is installed in that casing 1 is inner, the holding wire of woofer 2 and front high pitch loudspeaker 4 and side high pitch loudspeaker 8 is connected with the output of frequency divider.In order to make sound balanced more, can be installed in casing 1 front two front high pitch loudspeakers 4 towards being made into different directions, with the side high pitch loudspeaker 8 that is installed in casing 1 side towards positive (for example can with the front high pitch loudspeaker 4 of casing 1 positive right upper portion towards the right side, the front high pitch loudspeaker 4 of bottom is towards the left side, the front high pitch loudspeaker 4 that is installed in casing 1 right flank is towards the front).The outerplanar that front high pitch loudspeaker 4 and side high pitch loudspeaker 8 can be installed is connected separately with it and the angle of the panel 5 vertically placed is made into 70 °～90 °, is preferably and is made into 80 °.In order to strengthen the common effect that adopts audio mixing behind the same casing of both inner rooms of front high pitch loudspeaker 4 and side high pitch loudspeaker 8 and woofer 2, it is balanced more that sound field is distributed, and the ratio of the area in slit 7 and the area at the place, non-slit of sound panel 6 can be made as 1: 2 (slit 7 that is sound panel 6 is 1: 2 with its ratio of going up the area of locating in non-slit); Also can be after being separated by sound panel 6, the inner space of casing 1 inner close front high pitch loudspeaker 4 one sides is 1: 2 with the ratio of the volume of the inner space of close woofer 2 one sides.In order to prevent dust, a circular guard 3 (as shown in Figure 4) can be installed on woofer 2, (square guard 9 as shown in Figure 5 for the square guard 9 of installation integral type on front high pitch loudspeaker 4 and side high pitch loudspeaker 8, it is to be formed by connecting by two square guards, and its bending angle is 90 °).

When the utility model uses, four high pitch loudspeaker and panels to the casing sunken inside have constituted four triangular pockets, such structure makes the reflection that sound is mutual, thereby make the sound field distributing equilibrium, the directive property of high pitch is littler, also be not easy when using microphone, to produce and utter long and high-pitched sounds, thereby solved limitation problem when the interior space is carried out music appreciation and sung.

Claims

1. one kind wide three-dimensional loud speaker of width of cloth sound field, it comprises casing (1) and is located at its interior frequency divider, it is characterized in that, a side positive at casing (1) is provided with woofer (2), opposite side is provided with two front high pitch loudspeakers of vertically arranging (4), on casing (1) side, also be provided with two side high pitch loudspeakers of vertically arranging (8) near positive front high pitch loudspeaker (4) one sides, front high pitch loudspeaker (4) and side high pitch loudspeaker (8) are to casing (1) sunken inside, its female ends is connected with the surface of casing (1) by panel (5), vertically be provided with a sound panel (6) that has slit (7) in casing (1) inside, woofer (2) is connected with the output of frequency divider with the holding wire of front high pitch loudspeaker (4) and side high pitch loudspeaker (8).

2. the three-dimensional loud speaker of wide width of cloth sound field according to claim 1 is characterized in that, described be located at positive two the front high pitch loudspeakers (4) of casing (1) towards difference, the side high pitch loudspeaker (8) of being located at casing (1) side is towards the front.

3. the three-dimensional loud speaker of wide width of cloth sound field according to claim 1, it is characterized in that described front high pitch loudspeaker (4) is connected with it separately with the outerplanar that side high pitch loudspeaker (8) is installed and the angle of the panel (5) vertically placed is 70 °～90 °.

4. the three-dimensional loud speaker of wide width of cloth sound field according to claim 1 is characterized in that, the ratio of the area at the place, non-slit of the area of described slit (7) and sound panel (6) is 1: 2.

5. the three-dimensional loud speaker of wide width of cloth sound field according to claim 1, it is characterized in that, be 1: 2 by the ratio of the volume of the inner space of the inner space of the inner close front of casing (1) high pitch loudspeaker (4) one sides of sound panel (6) separation and close woofer (2) one sides.

6. the three-dimensional loud speaker of wide width of cloth sound field according to claim 1 is characterized in that, is provided with circular guard (3) on woofer (2), is provided with the square guard (9) of integral type on front high pitch loudspeaker (4) and side high pitch loudspeaker (8).