Loudspeaker with FPC (Flexible Printed Circuit) patch type connecting structure

Abstract

The utility model discloses a horn with an FPC paster type connection structure, which comprises a horn main body, a packaging shell, an FPC flat cable and paster terminals, one end of the FPC flat cable extends into the packaging shell and is connected with the horn main body, and the other end of the FPC flat cable is provided with the paster terminals. According to the utility model, the structure design is reasonable, the FPC flat cable and the patch terminal are used for replacing the traditional fly wire or terminal wire connection, the flexible flat cable connector has the advantages of good pressure resistance, flexibility and oxidation resistance, long service life, easy assembly, good connection effect, capability of shielding external electric signals, and stable and good electric signal transmission; meanwhile, a side sound output structure is adopted, and a front sound cavity and a rear sound cavity are matched, so that the defects of space limitation, appearance influence and the like of a front sound output mode are overcome on the basis of ensuring the sound quality, a vibrating diaphragm of the loudspeaker can be better protected, sound is concentrated, external sound interference is reduced, and the sound production effect is good. In addition, the device is small in overall appearance and can be applied to the field of unmanned aerial vehicles and various precise sound transmission devices.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a loudspeaker with an FPC patch type connection structure. Background Art

[0002] Most existing electronic devices often require speakers to achieve audio output. The speakers need to be electrically connected to the device motherboard so that they can convert analog signals into sound wave signals for playback under the control of the motherboard control module. Therefore, ensuring the reliability of the connection between the speakers and the device motherboard is key to the device speaker playback effect.

[0003] As electronic devices become increasingly smaller and more compact, motherboard dimensions are severely constrained. The density of electronic components on motherboards is also increasing, leaving less space for external components to connect to the motherboard. This, in turn, impacts the design of the speaker-motherboard connection. Furthermore, the speaker itself, comprised of components such as coils and magnets, can interfere with the motherboard or radio frequency signals due to electromagnetic induction during playback. Consequently, in most existing electronic devices, the speaker is positioned as far away from the motherboard as possible. However, limited motherboard space and the distance between the speaker and motherboard necessitate a complex connection design to ensure reliable and interference-free connections. To reduce production costs, some manufacturers simply connect the speaker to the motherboard using flying leads or terminal blocks. This inevitably results in poor connection reliability and inconvenient assembly. Furthermore, the speaker's diaphragm faces the sound outlet, making it susceptible to damage if foreign objects pass through the outlet. Utility Model Content

[0004] In view of the above-mentioned deficiencies, the purpose of the present invention is to provide a speaker with an FPC patch connection structure which has a reasonable structural design, is easy to assemble, has reliable connection and has good protection effect on the speaker's diaphragm.

[0005] In order to achieve the above-mentioned purpose, the technical solution provided by the present utility model is:

[0006] A speaker with an FPC patch connection structure includes a speaker body, a packaging shell, an FPC cable and a patch terminal. The packaging shell includes a front shell and a rear shell. The front shell is provided with a front sound cavity. The speaker body cover is arranged at the rear position of the front sound cavity. The side wall of the front shell is provided with a side sound hole connected to the front sound cavity. The rear shell is covered on the front shell at a position corresponding to the speaker body, and the internal space of the rear shell forms the rear sound cavity. One end of the FPC cable extends into the packaging shell and is connected to the speaker body, and the other end is provided with the patch terminal.

[0007] As a preferred solution of the present invention, the opening of the side sound hole is gradually expanded, which is conducive to the diffusion of sound.

[0008] As a preferred embodiment of the present invention, the front housing is provided with a step for mounting the speaker body at a position behind the front sound cavity. This provides a stable mounting base for the speaker body, helps reduce vibration and noise, and also helps ensure a tight seal between the speaker body and the front housing to prevent sound leakage.

[0009] As a preferred solution of the present invention, a positioning post is provided in the rear housing to press against the back of the speaker body, thereby enhancing the stability of the speaker body installation and preventing displacement or loosening due to vibration, thereby ensuring the clarity and stability of the sound.

[0010] As a preferred solution of the present invention, a hollow position is provided on the front side of the front shell to reduce material usage, thereby reducing cost, reducing weight and facilitating installation.

[0011] As a preferred solution of the present invention, the side wall of the front shell is convexly provided with a mounting portion, and the mounting portion is provided with a mounting hole, so as to be conveniently mounted on the housing or other components of the electronic device.

[0012] As a preferred solution of the present invention, a circular through hole is provided at one end of the FPC cable near the patch terminal, and the FPC cable is symmetrically extended outwards at positions on both sides of the circular through hole. A shielding layer is provided on the surface of the FPC cable to effectively reduce interference.

[0013] As a preferred solution of the present invention, the rear shell and the front shell are sealed and connected by ultrasonic welding, which has a good connection effect, not only improving the overall strength of the packaging shell, but also avoiding the problem of sealing failure caused by aging or falling off of the glue.

[0014] As a preferred solution of the present invention, the surface of the packaging shell is covered with foam, which has good buffering and shock absorption performance, can effectively absorb and disperse the energy generated by the speaker vibration, and reduce the distortion and noise during the sound transmission process.

[0015] The beneficial effects of the present invention are as follows: the present invention has a reasonable structural design, and uses FPC cables and patch terminals to replace traditional flying wires or terminal wire connections. It has good pressure resistance, flexibility and oxidation resistance, a long service life, and is easy to assemble, with good connection effect, can shield external electrical signals, and has stable and good electrical signal transmission; at the same time, it adopts a side sound output structure and is equipped with front and rear sound cavities. On the basis of ensuring sound quality, it overcomes the shortcomings of the space limitation and appearance influence of the positive sound output method, can provide better protection for the diaphragm of the speaker, and the sound is concentrated, reducing external sound interference, and the sound effect is good.

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0018] Figure 2 It is a schematic cross-sectional structural diagram of the present utility model.

[0019] Figure 3 This is a schematic diagram of the decomposition structure of the utility model Figure 1 .

[0020] Figure 4 This is a schematic diagram of the decomposition structure of the utility model Figure 2 . DETAILED DESCRIPTION

[0021] See also Figures 1 to 4 This embodiment provides a speaker with an FPC patch connection structure, which includes a speaker body 1, a packaging shell, an FPC cable 2 and a patch terminal 3.

[0022] The packaging shell includes a front shell 4 and a rear shell 5. The front shell 4 is provided with a front sound cavity 41. The speaker body 1 is covered at the rear of the front sound cavity 41. Preferably, a step 42 for mounting the speaker body 1 is provided at the rear of the front shell 4 corresponding to the front sound cavity 41. This provides a stable mounting base for the speaker body 1, helps reduce vibration and noise, and also helps ensure a tight seal between the speaker body 1 and the front shell 4 to prevent sound leakage.

[0023] A side sound hole 43 communicating with the front sound cavity 41 is provided on the side wall of the front shell 4. Preferably, the opening of the side sound hole 43 is gradually enlarged to facilitate sound diffusion.

[0024] The rear shell 5 is positioned over the front shell 4 at a position corresponding to the speaker body 1, and the interior space of the rear shell 5 forms a rear sound cavity 51. The rear shell 5 and the front shell 4 are sealed by ultrasonic welding, which has a good connection effect, not only improving the overall strength of the package shell, but also avoiding the problem of seal failure caused by aging or shedding of glue. Preferably, the side walls of the front shell 4 and the surface of the rear shell 5 are covered with foam 6. It has excellent cushioning and shock absorption properties, can effectively absorb and disperse the energy generated by the speaker vibration, and reduce distortion and noise during sound transmission.

[0025] One end of the FPC cable 2 extends into the package housing and connects to the speaker body 1. The other end is provided with the patch terminal 3. A circular through-hole is provided at one end of the FPC cable 2 near the patch terminal 3. The FPC cable 2 extends symmetrically on either side of the circular through-hole. The circular hole reduces the rigidity of the material, making the FPC more flexible when bending. It also reduces stress concentration in the material, reduces the risk of breakage, and extends the FPC's service life. A shielding layer is provided on the surface of the FPC cable 2 to effectively reduce interference.

[0026] The rear housing 5 is provided with a positioning post 52 that presses against the back of the speaker body 1. This enhances the stability of the speaker body 1 and prevents displacement or loosening due to vibration, thereby ensuring sound clarity and stability. A hollow area 44 is provided on the front of the front housing 4 to reduce material usage, lower costs, reduce weight, and facilitate installation.

[0027] For easy installation, a mounting portion 45 is provided on the side wall of the front shell 4, and a mounting hole is provided on the mounting portion 45, so that the front shell 4 can be easily installed on the housing or other components of the electronic device.

[0028] During installation, the patch terminal 3 can be easily connected to the patch terminal socket on the motherboard, and the FPC cable 2 itself has good pressure resistance and flexibility. The FPC cable 2 can be provided with a shielding layer or grounding to enhance the shielding ability of external electrical signals and ensure stable and good electrical signal transmission.

[0029] During use, due to the side sound outlet structure, foreign matter passing through the side sound outlet hole 43 cannot directly damage the diaphragm of the speaker body 1, thereby providing better protection for the speaker body 1. When sounding, the front sound cavity 41 and the rear sound cavity 51 cooperate to further enhance the sound effect.

[0030] Based on the disclosures and teachings of the above specification, those skilled in the art will be able to make changes and modifications to the above-described embodiments. Therefore, the present invention is not limited to the specific embodiments described above. Any obvious improvements, substitutions, or modifications made by those skilled in the art based on the present invention fall within the scope of protection of the present invention. Furthermore, while certain specific terms are used in this specification, these terms are for convenience only and do not constitute any limitation to the present invention. Other speakers using the same or similar structures are also within the scope of protection of the present invention.

Claims

1. A speaker with an FPC patch connection structure, comprising a speaker body, characterized in that: It also includes a packaging shell, an FPC cable and a patch terminal. The packaging shell includes a front shell and a rear shell. The front shell is provided with a front sound cavity. The speaker body cover is arranged at the rear position of the front sound cavity. The side wall of the front shell is provided with a side sound hole connected to the front sound cavity. The rear shell is covered on the front shell at a position corresponding to the speaker body, and the internal space of the rear shell forms a rear sound cavity. One end of the FPC cable extends into the packaging shell and is connected to the speaker body, and the other end is provided with the patch terminal.

2. The speaker with an FPC patch connection structure according to claim 1, characterized in that: The opening of the side sound hole is gradually expanding.

3. The speaker with an FPC patch connection structure according to claim 1, characterized in that: The front shell is provided with a step position for installing the speaker body at a rear position corresponding to the front sound cavity.

4. The speaker with an FPC patch connection structure according to claim 1, characterized in that: A positioning column is provided in the rear shell and presses against the back of the speaker body.

5. The speaker with an FPC patch connection structure according to claim 1, characterized in that: A hollow position is provided on the front side of the front shell.

6. The speaker with an FPC patch connection structure according to claim 1, characterized in that: The side wall of the front shell is protruded with a mounting portion, and the mounting portion is provided with a mounting hole.

7. The speaker with an FPC patch connection structure according to claim 1, characterized in that: A circular through hole is provided at one end of the FPC cable close to the patch terminal, and the FPC cable is symmetrically expanded at two sides of the circular through hole.

8. The speaker with an FPC patch connection structure according to claim 1, characterized in that: The rear shell and the front shell are sealed and connected by ultrasonic welding.

9. The speaker with an FPC patch connection structure according to any one of claims 1 to 8, characterized in that: The surface of the packaging shell is covered with foam.

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