CN209787415U - A speaker with good sound quality - Google Patents

Abstract

The utility model discloses a sound box that tone quality is good, the power distribution box comprises a box body, circuit board and the loudspeaker of setting in the box, loudspeaker are connected with the circuit board, loudspeaker include loudspeaker and woofer, loudspeaker and woofer are about setting up and are connected with the circuit board electricity through an audio line respectively, be provided with the frequency divider on the circuit board, first cavity and second cavity are separated into from top to bottom through first baffle and second baffle to the inside of box, first baffle, the inside wall rigid coupling of second baffle and box, be equipped with the loudspeaker mounting bracket of fixing on first baffle in the first cavity, loudspeaker sets up on the loudspeaker mounting bracket, be equipped with the woofer mounting bracket of fixing on the second baffle in the second cavity, woofer sets up on the woofer mounting bracket, be connected with zigzag between first baffle and the second baffle and connect the grillage. The utility model discloses a structural design for the high bass frequency mutual noninterference, pronunciation sensitivity is high, and no noise, sound quality is good.

Description

A speaker with good sound quality

technical field

The utility model relates to the technical field of sound box equipment, in particular to a sound box with good sound quality.

Background technique

Speaker is a kind of equipment that people often use to produce sound. It has a wide range of applications, including concerts, conference rooms, KTV, dance halls, families and many other occasions. In order to meet the modern people's pursuit of sound quality, the existing speakers are usually Frequency-crossing speakers are generally constructed in such a way that the tweeter and woofer are arranged up and down in the cabinet. Although the installation space of this structure is relatively small, due to the tight installation, it is easy to interfere with each other during pronunciation, which affects the sensitivity of pronunciation. At the same time, because the existing technology The loudspeaker mainly fastens the basin frame of the speaker to the front panel of the speaker shell through screws, that is, the basin frame is in direct contact with the front panel, so the vibration generated when the speaker is working will be directly transmitted to the speaker shell through the basin frame The front panel of the body, which in turn causes the speaker case to resonate, causing noise.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a sound box with high and low audio frequency that does not interfere with each other, high pronunciation sensitivity, no noise, and good sound quality.

The technical scheme of the utility model is as follows:

A sound box with good sound quality includes a box body, a circuit board arranged in the box body and a speaker, the speaker is connected to the circuit board, the speaker includes a tweeter and a woofer, and the tweeter and the woofer are up and down set and electrically connected to the circuit board through an audio line, the circuit board is provided with a frequency divider, and the inside of the box is divided into a first cavity and a first cavity by a first partition and a second partition. In the second cavity, the first baffle and the second baffle are affixed to the inner side wall of the box, and the first cavity is provided with a tweeter mounting bracket fixed on the first baffle, The tweeter is arranged on the tweeter mounting frame, the second cavity is provided with a woofer mounting frame fixed on the second partition, and the woofer is arranged on the woofer mounting frame , a zigzag connecting plate frame is connected between the first partition and the second partition.

Further, the tweeter mounting frame is provided with a tweeter mounting hole, the tweeter is horizontally arranged in the tweeter mounting hole, and the tweeter mounting hole is provided with a first recess for supporting the tweeter. platform, the edge of the frame of the tweeter is against the first concave platform.

Further, the woofer mounting frame is provided with a woofer mounting hole, the woofer is horizontally arranged in the woofer mounting hole, and a second recess for supporting the woofer is provided in the woofer mounting hole. platform, and the edge of the basin frame of the woofer is against the second concave platform.

Further, the box body includes a box body, a front box panel matched with the box body, and a rear box panel matched with the box body.

Further, a tweeter mouth and a woofer mouth respectively corresponding to the tweeter and the woofer are opened on the front box panel.

Further, the front part of the box main body is provided with a front slot, and the rear part of the front box board is provided with a first protruding ring matched with the front slot, and the front box board passes through the The first protruding ring is plugged and fixed with the front part of the box main body.

Further, the rear part of the box main body is provided with a rear slot, and the front part of the rear box plate is provided with a second protruding ring matching the rear slot, and the rear box plate passes through the The second protruding ring is plugged and fixed with the rear part of the box main body.

Further, a circuit board installation groove is formed inside the second protruding ring, and the circuit board is fixed in the circuit board installation groove by screws, and the circuit board and the rear box plate are provided with corresponding screw holes.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model separates the tweeter and the woofer into two different spaces, the high and low audio frequencies do not interfere with each other, the sound waves are isolated, and the pronunciation sensitivity is improved;

(2) The tweeter and the woofer are respectively fixed on the first partition and the second partition through the tweeter mounting frame and the woofer mounting frame, so that the vibration generated by the tweeter and the woofer will not be directly transmitted to the main body of the speaker, The sawtooth-shaped connecting frame between the first partition and the second partition has the function of shock absorption, and the transmitted vibration will be greatly reduced by the zigzag connecting plate, reducing the resonance of the main body of the speaker and improving the sound quality , to avoid noise;

(3) The utility model has the advantages of simple structure and convenient assembly and disassembly.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is the explosion schematic diagram of a kind of good sound quality sound box that the utility model provides;

Fig. 2 is an installation principle diagram of a sound box with good sound quality provided by the utility model.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In order to illustrate the technical solution described in the utility model, the following specific examples will be used for illustration.

Example

Referring to Fig. 1 and Fig. 2, the present embodiment provides a sound box with good sound quality, including a cabinet 1, a circuit board 2 and a loudspeaker arranged in the cabinet 1, the loudspeaker is connected with the circuit board 2, and the loudspeaker includes a tweeter 3 and a loudspeaker. The woofer 4, the tweeter 3 and the woofer 4 are set up and down and are respectively electrically connected to the circuit board 2 through an audio line. The circuit board 2 is provided with a frequency divider 21, and the high-frequency and low-frequency sounds Divided into the tweeter 3 and the woofer 4, the inside of the box body 1 is divided into a first cavity 51 and a second cavity 61 up and down by the first partition 5 and the second partition 6, the first partition 5, the second Partition plate 6 is affixed with the inner side wall of box body 1, and first cavity 51 is provided with the tweeter mounting frame 7 that is fixed on the first partition plate 5, and tweeter 3 is arranged on the tweeter mounting frame 7, and the second The cavity 61 is provided with a woofer mounting frame 8 fixed on the second partition 6, the woofer 4 is arranged on the woofer mounting frame 8, and there is a sawtooth shape between the first partition 5 and the second partition 6. Connect the frame 9.

Wherein, the tweeter mounting frame 7 is provided with a tweeter mounting hole 71, the tweeter 3 is horizontally arranged in the tweeter mounting hole 71, and the tweeter mounting hole 71 is provided with a first concave platform 72 supporting the tweeter 3, and the tweeter The edge of the pot frame of 3 is offset with the first concave platform 72, and the woofer mounting frame 8 is provided with a woofer mounting hole 81, and the woofer 4 is horizontally arranged in the woofer mounting hole 81, and the woofer mounting hole 81 is provided with a supporting bass The second concave platform 82 of the loudspeaker 4 and the frame edge of the woofer 4 are against the second concave platform 82 .

Wherein, box body 1 comprises box body main body 11, the front box board 12 that cooperates with box body main body 11 and the back box board 13 that cooperates with box body main body 11, offers on the front box board 12 and is provided with tweeter 3 and woofer respectively. 4 Corresponding to the tweeter mouth 121 and the bass horn mouth 122, the front part of the box body 11 is provided with a front slot, and the rear part of the front box plate 12 is provided with a first protruding ring 123 matching the front slot, The front box plate 12 is plugged and fixed with the front portion of the box body main body 11 by the first protruding ring 123, the rear portion of the box body body 11 is provided with a rear slot, and the front portion of the rear box plate 13 is provided with a groove corresponding to the rear slot. Cooperate with the second protruding ring 131, the rear box plate 13 is plugged and fixed with the rear part of the box body 11 through the second protruding ring 131, the inside of the second protruding ring 131 forms a circuit board installation groove 132, and the circuit board 2 is fixed by screws In the circuit board installation slot 132 , the circuit board 2 and the rear box board 13 are provided with corresponding screw holes 133 .

During installation, the circuit board 2 is first fixed on the rear box plate 13 by screws, then the tweeter 3 and the woofer 4 are packed into the tweeter mounting frame 7 and the woofer mounting frame 8 respectively, and then the tweeter 3 and the bass The audio line at the tail end of the loudspeaker 4 is connected to the circuit board 2, and finally the rear box plate 13 and the front box plate 12 are respectively plugged and fixed with the rear portion and the front portion of the box body main body 11 successively. Its structure is simple, easy to assemble and disassemble.

By separating the tweeter 3 and the woofer 4 in two different spaces, the high and low audio frequencies do not interfere with each other, the sound waves are isolated, and the pronunciation sensitivity is improved; and the vibration generated by the tweeter 3 and the woofer 4 will not be directly transmitted to the speaker body 11, The past vibration will be greatly reduced by the zigzag connecting frame 9, reducing the resonance of the main body of the speaker 11, improving the sound quality and avoiding noise.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (8)

1. The utility model provides a good sound box of tone quality, includes the box, sets up circuit board and loudspeaker in the box, loudspeaker with circuit board connection, its characterized in that: loudspeaker include loudspeaker and woofer, loudspeaker and woofer are about be set up and respectively through an audio line with the circuit board electricity is connected, be provided with the frequency divider on the circuit board, first cavity and second cavity are separated into from top to bottom through first baffle and second baffle to the inside of box, first baffle, second baffle with the inside wall rigid coupling of box, be equipped with in the first cavity and fix loudspeaker mounting bracket on the first baffle, loudspeaker sets up on the loudspeaker mounting bracket, be equipped with in the second cavity and fix loudspeaker mounting bracket on the second baffle, loudspeaker sets up on the woofer mounting bracket, be connected with zigzag connection grillage between first baffle and the second baffle.

2. A sound box according to claim 1, wherein: be equipped with the tweeter mounting hole on the tweeter mounting bracket, the tweeter transversely sets up in the tweeter mounting hole, be equipped with the support in the tweeter mounting hole the first concave station of tweeter, the frame edge of tweeter with first concave station offsets.

3. A sound box according to claim 1, wherein: be equipped with the woofer mounting hole on the woofer mounting bracket, the woofer transversely sets up in the woofer mounting hole, be equipped with the support in the woofer mounting hole the second concave station of woofer, the basin frame edge of woofer with the second concave station offsets.

4. A sound box according to claim 1, wherein: the box body comprises a box body main body, a front box plate matched with the box body main body and a rear box plate matched with the box body main body.

5. A sound box with good sound quality according to claim 4, characterized in that: and the front box plate is provided with a high pitch horn mouth and a low pitch horn mouth which correspond to the high pitch horn and the low pitch horn respectively.

6. A sound box with good sound quality according to claim 4, characterized in that: the front part of the box body is provided with a front groove, the rear part of the front box plate is surrounded with a first convex ring matched with the front groove, and the front box plate is fixedly connected with the front part of the box body through the first convex ring in an inserting mode.

7. A sound box with good sound quality according to claim 4, characterized in that: the rear part of the box body is provided with a rear groove, the front part of the rear box plate is surrounded by a second convex ring matched with the rear groove, and the rear box plate is fixedly connected with the rear part of the box body through the second convex ring in an inserting mode.

8. The sound box of claim 7, wherein: the inside of second bulge loop forms the circuit board mounting groove, the circuit board passes through the screw fixation and is in the circuit board mounting groove, be equipped with corresponding screw hole on circuit board and the back boxboard.