CN210725320U - Loudspeaker capable of outputting high and low sound - Google Patents

Abstract

The utility model provides an audio device which is a loudspeaker capable of outputting high and low sound, comprising a loudspeaker shell, wherein a high sound part and a low sound part are arranged in the loudspeaker shell, a sound outlet is arranged on the side surface of the loudspeaker shell, and the high sound part is positioned between the low sound part and the sound outlet; bass section: the bass loudspeaker comprises a bass vibrating diaphragm, a bass magnet, a bass coil, a bass washer and a circuit board containing an audio circuit, wherein the bass magnet and the bass washer are arranged in the bass coil, the bass magnet and the bass washer are mutually attached, the bass vibrating diaphragm is arranged on the bass coil, and the audio circuit on the circuit board is electrically connected with the bass coil; a high-pitched part: include high pitch vibrating diaphragm, high pitch magnet, high pitch coil, high pitch china department, high pitch magnet, high pitch china department set up in high pitch coil and high pitch magnet and high pitch china department laminate each other, and high pitch vibrating diaphragm setting is equipped with the trompil that supplies the bass to the delivery of sound outlet on high pitch coil and the middle part of high pitch vibrating diaphragm, and audio circuit on high pitch coil and the circuit board is connected.

Description

A loudspeaker capable of outputting high and low frequencies

technical field

The utility model relates to the field of audio equipment, in particular to a speaker capable of outputting high and low frequencies.

Background technique

After retrieval, roughly the speakers in the cinema, the audio units in small mobile phones and earphones all use speakers, which are the main objects of audio playback. In the actual use process, when the alternating audio current passes through the voice coil, the voice coil generates random The alternating current of the audio frequency changes, and the magnetic field lines of the cutting magnetic circuit produce mechanical vibration, which drives the diaphragm to vibrate to produce sound.

Patent No. 201721925714.9 is a patent document named speaker, and its main purpose is to solve the problem that the appearance of the earphone will cause different air vibrations inside the earphone, thereby affecting the sound quality. However, the internal structure of this earphone limits the output sound only For treble or bass, therefore, customers cannot use such speakers in headphones or speakers that cannot meet their daily needs.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a loudspeaker capable of outputting high and low frequencies, the main purpose of which is to output high and low frequencies at the same time.

In order to achieve the above purpose, the technical scheme adopted by the present invention is: a loudspeaker capable of outputting high and low frequencies, which is characterized in that it includes a loudspeaker shell, and the loudspeaker shell is provided with a high-pitched part and a low-pitched part; There is a sound outlet on the side, and the treble part is located between the bass part and the sound outlet;

Bass section: It includes bass diaphragm, bass magnet, bass coil, bass washer and circuit board with audio circuit. The bass magnet and bass washer are set in the bass coil and the bass magnet and bass washer are attached to each other. The membrane is arranged on the bass coil, and the audio circuit on the circuit board is electrically connected with the bass coil;

Treble section: It includes a treble diaphragm, a treble magnet, a treble coil, and a treble washer. The treble magnet and the treble washer are arranged in the treble coil, and the treble magnet and the treble washer are attached to each other. The treble diaphragm is arranged on the treble coil and The center of the tweeter diaphragm is provided with an opening for the bass to be transmitted to the sound outlet, and the tweeter coil is connected to the audio circuit on the circuit board.

Further, the speaker shell includes a bracket, a bass steel cover and a high-pitched steel cover, the two ends of the bracket are open surfaces that communicate with each other, and the high-pitched steel cover and the bass steel cover are respectively covered on the open surface of the bracket. A raised edge is provided to divide its interior into a treble part storage area and a bass part storage area, the treble part is arranged in the treble part storage area, and the bass part is arranged in the bass part storage area.

Further, the speaker housing also includes an iron plate, the iron plate is arranged in the storage area of the treble part, the edge of the iron plate is in contact with the convex edge, the treble magnet is fixed on the iron plate, and the iron plate is provided with perforations. .

Further, it also includes a damping net, the side of the bass steel cover is provided with ventilation holes, and the damping net is arranged in the bass part storage area and covered on the ventilation holes.

Further, the treble washer, the treble magnet, the bass washer and the bass magnet are all annular.

The beneficial effects of the present utility model are:

The utility model comprises a high-pitched part and a low-pitched part, and the high-pitched and low-pitched parts can be simultaneously output through the high-pitched part and the low-pitched part, and the high-pitched diaphragm of the high-pitched part is provided with an opening, and the low-pitched and high-pitched sounds are simultaneously transmitted from the sound outlet to the outside world. Therefore, the effect of outputting treble and bass at the same time is realized to meet the needs of customers.

Description of drawings

Figure 1 is an exploded view of the present utility model.

Description of reference symbols: 1-sound outlet; 2-bass diaphragm; 3-bass magnet; 4-bass coil; 5-circuit board; 6-tweeter diaphragm; 7-treble magnet; 8-tweeter coil; 9- Bracket; 10- bass steel cover; 11- treble steel cover; 12- raised edge; 13- iron plate; 14- damping net; 15- ventilation hole; 16- bass washer; 17- treble washer.

Detailed ways

Please refer to FIG. 1 , the present invention relates to a loudspeaker capable of outputting high and low frequencies, which is characterized in that it includes a loudspeaker casing, a high-pitched part and a low-frequency part are arranged in the loudspeaker casing, and a side surface of the loudspeaker casing has an outlet. Sound port 1, the treble part is located between the bass part and the sound outlet 1;

Bass part: it includes a bass diaphragm 2, a bass magnet 3, a bass coil 4 and a circuit board 5 containing an audio circuit. The bass magnet 3 and the bass washer 16 are arranged in the bass coil 4, and the bass magnet 3 and the bass washer 16 are mutually Fitting, the bass diaphragm 2 is arranged on the bass coil 4, and the audio circuit on the circuit board 5 is electrically connected to the bass coil 4;

Treble part: including treble diaphragm 6, treble magnet 7, treble coil 8, treble magnet 7, treble washer 17 are arranged in treble coil 8, treble washer 17 and treble magnet 7 are attached to each other, treble diaphragm 6 is arranged The tweeter coil 8 and the middle of the tweeter diaphragm 6 are provided with an opening for transmitting the bass to the sound outlet 1 , and the tweeter coil 8 is connected to the audio circuit on the circuit board 5 .

The use principle of the present utility model is as follows:

The utility model includes a high-pitched part and a low-pitched part, and the high-pitched and low-pitched parts can output high-pitched and low-pitched sounds at the same time, and the high-pitched diaphragm 6 of the high-pitched part is provided with an opening, and the low-pitched and high-pitched sounds are simultaneously transmitted from the sound outlet 1 to the outside world. Therefore, the effect of outputting treble and bass at the same time is realized to meet the needs of customers;

Specifically, the magnet and the washer are connected to form this circuit. Then, when the alternating audio current passes through the tweeter coil 8 and the bass coil 4, the tweeter coil 8 and the bass coil 4 generate an alternating current that changes with the audio frequency, cutting the audio frequency on the magnetic circuit. The magnetic lines of force move back and forth, which in turn causes the tweeter diaphragm 6 and the bass diaphragm 2 to produce mechanical vibrations, which compress the air in the speaker housing to propagate sound waves.

It should be noted that the circuit on the circuit board 5 is in the prior art, and according to actual use, a power supply circuit, a protection circuit, etc. need to be provided, and therefore, detailed descriptions are omitted.

Further, the speaker housing includes a bracket 9, a bass steel cover 10 and a high-pitched steel cover 11. Both ends of the bracket 9 are open surfaces that penetrate each other. The high-pitched steel cover 11 and the bass steel cover 10 are respectively covered on the bracket 9. On the open surface of the bracket 9, there is a bulge 12 that divides its interior into a treble part receiving area and a bass part receiving area, the treble part is arranged in the treble part receiving area, and the bass part is arranged in the bass part receiving area; The above design is used to realize a way of accommodating the bass part and the treble part, and at the same time, it can protect the bass part and the treble part from external damage.

Further, the speaker housing also includes an iron plate 13, the iron plate 13 is arranged in the treble part storage area, the edge of the iron plate 13 is in contact with the convex edge 12, and the treble magnet 7 is fixed on the iron plate 13; The above solution is used to fix the tweeter, and the radius of the tweeter magnet 7 is shorter than that of the bass magnet 3; the relationship between the radial lengths of the tweeter magnet 7 and the bass magnet 3 is common knowledge, and will not be described again here.

Further, it also includes a damping net 14, the side of the bass steel cover 10 is provided with ventilation holes 15, the damping net 14 is arranged in the bass part storage area and covered on the ventilation holes 15; using the above scheme, the ventilation holes 15 For heat dissipation, the damping net 14 is used to block most of the dust and large garbage in the air, so as to avoid affecting the daily use of the speaker.

Further, the treble washer 17, the treble magnet 7, the bass washer 16, and the bass magnet 3 are all annular; in this way, the bass is transmitted from the bass portion storage area to the outside through the treble portion storage area.

The above embodiments are only to describe the preferred embodiments of the present invention, and do not limit the scope of the present invention. On the premise of not departing from the design spirit of the present invention, ordinary engineers and technicians in the art make the technical solutions of the present invention. Various deformations and improvements should fall within the protection scope determined by the claims of the present utility model.

Claims (5)

1. A loudspeaker capable of outputting high and low sounds is characterized by comprising a loudspeaker shell, wherein a high sound part and a low sound part are arranged in the loudspeaker shell, a sound outlet is formed in the side surface of the loudspeaker shell, and the high sound part is positioned between the low sound part and the sound outlet;

bass section: the bass loudspeaker comprises a bass vibrating diaphragm, a bass magnet, a bass coil, a bass washer and a circuit board containing an audio circuit, wherein the bass magnet and the bass washer are arranged in the bass coil, the bass magnet and the bass washer are mutually attached, the bass vibrating diaphragm is arranged on the bass coil, and the audio circuit on the circuit board is electrically connected with the bass coil;

a high-pitched part: include high pitch vibrating diaphragm, high pitch magnet, high pitch coil, high pitch china department, high pitch magnet, high pitch china department set up in high pitch coil and high pitch magnet and high pitch china department laminate each other, and high pitch vibrating diaphragm setting is equipped with the trompil that supplies the bass to the delivery of sound outlet on high pitch coil and the middle part of high pitch vibrating diaphragm, and audio circuit on high pitch coil and the circuit board is connected.

2. The loudspeaker of claim 1, wherein: the loudspeaker shell body comprises a support, a bass steel cover and a high pitch steel cover, the two ends of the support are opened for mutual communication, the high pitch steel cover and the bass steel cover are respectively covered on the opened face of the support, a convex edge for dividing the high pitch part accommodating area and the low pitch part accommodating area is arranged in the support, the high pitch part is arranged in the high pitch part accommodating area, the low pitch part is arranged in the low pitch part accommodating area, and a sound outlet is arranged on the high pitch steel cover.

3. The loudspeaker of claim 2, wherein: loudspeaker shell is still including the iron disc, the iron disc sets up in high pitch portion storage area and the border and the chimb of iron disc offset, and high pitch magnet is fixed on the iron disc, and is equipped with the perforation on the iron disc.

4. The loudspeaker of claim 2, wherein: the bass steel cover is characterized by further comprising a damping net, air holes are formed in the side face of the bass steel cover, and the damping net is arranged in the bass portion containing area and covers the air holes.

5. The loudspeaker of any one of claims 1 to 4, wherein: the high pitch washer, the high pitch magnet, the low pitch washer and the low pitch magnet are all annular.

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