CN214675540U - Camera terminal loudspeaker - Google Patents

Abstract

The utility model discloses a camera terminal loudspeaker, including camera and speaker, camera and speaker adopt the components of a whole that can function independently setting, and the speaker includes the speaker main part, are equipped with the sound chamber in the speaker main part, and sound producing part is installed to the sound intracavity, and sound producing part includes U type channel bar, and magnet is installed to the inner chamber of U type channel bar, and magnet upper end is installed china and drum paper in order, and magnet and china overcoat establish the voice coil, and drum paper comprises paper ketonic body and bubble cotton edge, and bubble cotton edge ring is established at paper ketonic body edge, and what was sent in the front of sound producing part is the sine wave, and what was sent at the back is the cosine wave, and the sine wave that the front of sound producing part was sent passes through the sound chamber and concentrates the diffusion, and the acoustic pressure increases substantially, makes sound more clear; the cosine wave emitted from the back of the sound-emitting part is isolated by the sound cavity, so that the noise generated by the cosine wave cannot coincide with the sound generated by the sine wave, the sound is purer, and the recognition degree is improved.

Description

Camera terminal loudspeaker

Technical Field

The utility model belongs to the technical field of the speaker, concretely relates to camera terminal speaker.

Background

As the life is better, more and more families are provided with cameras, so that the condition of the family can be known when the family works outside. Along with the promotion of life development demand, the camera not only can be used for safety precaution, more importantly can conveniently communicate video and language with old man and children at home and communicate, therefore general camera all has audio transmission public address system-speaker. The general camera terminal loudspeaker has the following disadvantages: the speaker at camera terminal all is embedded in the casing at camera terminal, directly sends sound by the opening on the camera terminal shell, and when sound transmission comes out like this, easily at camera inside diffusion and loss, the lingering sound that the speaker back sent is easy to be to the face sound production interference moreover, and sound is noisy and sharp, and sound is big definition inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model provides a camera terminal speaker to the problem that above-mentioned prior art exists.

In order to achieve the purpose, the utility model adopts the following technical measures:

the utility model provides a camera terminal speaker, includes camera and speaker, camera and speaker adopt the components of a whole that can function independently to set up, the speaker includes the speaker main part, be equipped with the sound chamber in the speaker main part, sound chamber bottom is installed and is sounded the portion, the sounded portion includes U type channel bar, magnet is installed to the inner chamber of U type channel bar, magnet upper end is installed china department and drum paper in order, the voice coil loudspeaker voice coil is established to magnet and china department overcoat, the drum paper comprises paper ketone body and bubble cotton edge, bubble cotton edge ring is established paper ketone body edge.

Preferably, a core board mounting groove for mounting the PC board is formed in the speaker body, and a heat dissipation grid is arranged in the core board mounting groove.

Preferably, the sound cavity is an annular stepped structure with the hole diameter gradually reduced from the outer side to the inner side, and the U-shaped channel iron is installed in the annular stepped structure.

Preferably, the inner side of the annular stepped structure is provided with a mounting hole, and the periphery of the mounting hole is annularly provided with at least three arc-shaped holes.

Preferably, the speaker body includes an upper cover and a lower cover, the sound cavity is disposed on the upper cover, and a sound outlet channel is disposed on one side of the lower cover.

Preferably, the upper cover and the lower cover are connected to form a cavity in the loudspeaker main body, the sound cavity is isolated from the cavity through the sound-emitting part, and a gap is formed between the bottom of the U-shaped channel iron and the bottom of the lower cover.

Preferably, the annular step structure comprises at least three layers of step structures.

Preferably, the upper cover and the lower cover are interference-fitted and welded by ultrasonic waves.

The beneficial effects of utility model reside in that:

1. compared with the prior art, the sound cavity of the camera terminal loudspeaker is internally provided with the sound-emitting part, the front side of the sound-emitting part emits sine waves, the back side of the sound-emitting part emits cosine waves, the sine waves emitted from the front side of the sound-emitting part are intensively diffused through the sound cavity, the sound pressure is greatly increased, and the sound becomes clearer; the cosine wave emitted from the back of the sound-emitting part is isolated by the sound cavity, so that the noise generated by the cosine wave cannot coincide with the sound generated by the sine wave, the sound is purer, and the recognition degree is improved.

2. The drum paper is composed of a paper ketone body and a foam edge, the foam edge is annularly arranged on the paper ketone body edge, the frequency of a sound generating part can be improved, the sound of the sound generating part is not sharp any more and becomes soft, and the distortion problem caused by high frequency is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a camera terminal speaker of the present invention;

fig. 2 is a schematic view of a speaker main body structure of a camera terminal speaker of the present invention;

fig. 3 is an exploded view of a speaker main body of a camera terminal speaker according to the present invention;

fig. 4 is the utility model relates to a structural schematic diagram of the upper cover of camera terminal speaker.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection, electrical connection and communication connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a camera terminal speaker includes a camera 1 and a speaker 2, the camera 1 and the speaker 2 are separately disposed, the speaker 2 includes a speaker main body 21, a sound cavity 211 is disposed on the speaker main body 21, a sound generating portion is mounted in the sound cavity 211, the sound cavity 211 forms a sound tube structure in front of the sound generating portion, sound generated by the sound generating portion can be diffused concentratedly through the sound cavity 211, so that attenuation of energy is reduced, and sound pressure is greatly increased; the sound production portion includes U type channel bar 22, magnet 23 is installed to the inner chamber of U type channel bar 22, 24 and drum paper 26 of china department are installed in order to magnet 23 upper end, voice coil loudspeaker voice coil 25 is established to magnet 23 and 24 overcoat of china department, drum paper 26 comprises paper ketoboidies 261 and bubble cotton edge 262, bubble cotton edge 262 encircles and is established paper ketoboidies 261 edge, paper ketoboidies 261 and bubble cotton edge 262 can effectively reduce the vibration frequency of drum paper 26 for the sound frequency that the sound production portion sent reduces, reduces the ear sensation that high frequency sound brought, reduces the distortion problem that the high frequency causes.

Be equipped with the core mounting groove 212 that is used for installing PC board 27 in speaker main body 21, PC board 27 electric connection the portion of making a sound, the inslot of core mounting groove 212 is equipped with the heat dissipation grid, can improve PC board 27's radiating effect to extension speaker main body 21's life.

More in detail, in this embodiment, the inboard of sound chamber 211 is the annular stair structure that the aperture dwindles from the outside to the inboard time, makes things convenient for the installation of part, annular stair structure contains three layer ladder at least, just annular stair structure's inboard bottom is equipped with mounting hole 213, and the sound that the sound production portion back was sent is obstructed in the sound chamber 211 outside, U type channel bar 22 is installed in mounting hole 213, the week side ring of mounting hole 213 is equipped with at least three arc hole 214, and arc hole 214 can provide vibration space for the sound production portion.

The speaker body 21 comprises an upper cover 215 and a lower cover 216, wherein the upper cover 215 is provided with a clamping groove, the lower cover 216 is provided with a clamping column, the upper cover 215 and the lower cover 216 are in interference fit, connected through the clamping groove and the clamping column, and finally fixed through ultrasonic welding. Upper cover 215 and lower cover 216 are connected form the cavity in the speaker main part 21, sound chamber 211 pass through mounting hole 213 with the cavity intercommunication will sound portion installs mounting hole 213, will sound chamber 211 with the cavity is kept apart, U type channel bar 22 bottom with be equipped with the space between the lower cover 215 bottom, sound chamber 211 sets up upper cover 215, the cosine wave that sound portion dorsal part was sent can get into the cavity, and to the inside diffusion and the loss of cavity, for reducing the noise reaction in sound portion and sound chamber 211, one side play sound passageway 217 of lower cover 216 can be so that the noise is followed go out sound passageway 217 filters smoothly, reduces the sound interference to sound chamber 211 side.

To sum up, the sound cavity of the camera terminal loudspeaker of the utility model is provided with the sounding part, the front of the sounding part emits sine waves, the back emits cosine waves, the sine waves emitted from the front of the sounding part are diffused in a concentrated manner through the sound cavity, the sound pressure is greatly increased, and the sound becomes clearer; the cosine waves emitted from the back of the sound-emitting part are isolated by the sound cavity, so that the noise generated by the cosine waves cannot be superposed with the sound generated by the sine waves, the sound is purer, and the recognition degree is improved; the drum paper is composed of a paper ketone body and a foam edge, the foam edge is annularly arranged on the paper ketone body edge, the frequency of a sound generating part can be improved, the sound of the sound generating part is not sharp any more and becomes soft, and the distortion problem caused by high frequency is reduced.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments disclosed herein. To those skilled in the art to which the utility model belongs, a plurality of simple deductions or replacements can be made without departing from the concept of the utility model, and all the deductions or replacements should be regarded as belonging to the protection scope of the utility model.

Claims (8)

1. The utility model provides a camera terminal speaker, includes camera (1) and speaker (2), camera (1) and speaker (2) adopt the components of a whole that can function independently to set up, a serial communication port, speaker (2) include speaker main part (21), be equipped with sound chamber (211) on speaker main part (21), sound production portion is installed to sound chamber (211) bottom, sound production portion includes U type channel bar (22), magnet (23) are installed to the inner chamber of U type channel bar (22), magnificent department (24) and drum paper (26) are installed in order to magnet (23) upper end, voice coil (25) are established to magnet (23) and magnificent department (24) overcoat, drum paper (26) comprise paper ketone body (261) and bubble cotton edge (262), bubble cotton edge (262) ring is established paper ketone body (261) edge.

2. The camera terminal speaker as claimed in claim 1, wherein a core board mounting groove (212) for mounting a PC board (27) is provided in the speaker main body (21), and a heat dissipation grill is provided in the core board mounting groove (212).

3. The camera terminal loudspeaker according to claim 1, wherein the sound cavity (211) is an annular step structure with a gradually decreasing diameter from the outer side to the inner side, and the U-shaped channel iron (22) is installed in the annular step structure.

4. A camera terminal loudspeaker according to claim 3, wherein the inner side of the annular step structure is provided with a mounting hole (213), and the peripheral side of the mounting hole (213) is provided with at least three arc-shaped holes (214).

5. A camera terminal loudspeaker according to claim 1, characterised in that the loudspeaker body (21) comprises an upper cover (215) and a lower cover (216), the sound chamber (211) being provided in the upper cover (215), a side of the lower cover (216) presenting a sound channel (217).

6. The camera terminal loudspeaker according to claim 5, wherein the upper cover (215) and the lower cover (216) are connected to form a cavity in the loudspeaker main body (21), the sound cavity (211) is isolated from the cavity by a sound generating part, and a gap is formed between the bottom of the U-shaped channel iron (22) and the bottom of the lower cover (216).

7. The camera terminal speaker of claim 3, wherein the annular stair structure comprises at least three layers of stair structures.

8. A camera terminal loudspeaker according to claim 5, characterised in that the upper cover (215) and lower cover (216) are interference fitted and ultrasonically welded.

Images