WO2021056479A1

WO2021056479A1 - High-fidelity earplug loudspeaker

Info

Publication number: WO2021056479A1
Application number: PCT/CN2019/108749
Authority: WO
Inventors: 罗云锋
Original assignee: 赣州鑫冠科技股份有限公司
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2021-04-01

Abstract

The present invention relates to a loudspeaker, and in particular, to a high-fidelity earplug loudspeaker. The technical problem solved is to provide a high-fidelity earplug loudspeaker. Provided is such a high-fidelity earplug loudspeaker, comprising a high-range loudspeaker, a lower channel, a midrange loudspeaker, a low-range loudspeaker I, an upper channel, a low-range loudspeaker II, etc; wherein the lower channel is provided below the high-range loudspeaker, the midrange loudspeaker is provided on the left side of the high-range loudspeaker, and the midrange loudspeaker is connected to the lower channel by means of a midrange channel I; the low-range loudspeaker I is provided below the left side of the midrange loudspeaker, and a low-range channel I is provided on the left side of the low-range loudspeaker I; the upper channel is provided above the high-range loudspeaker, a midrange channel II is provided above the midrange loudspeaker, and the midrange loudspeaker is connected to the upper channel by means of the midrange channel II; the low-range loudspeaker II is provided above the left side of the midrange loudspeaker, and a low-range channel II is provided on the left side of the low-range loudspeaker II. The high-fidelity earplug loudspeaker provided greatly improves the fidelity and has a good use effect.

Description

A high-fidelity earplug speaker

Technical field

The invention relates to a loudspeaker, in particular to a high-fidelity earplug loudspeaker.

Background technique

Earplugs, small receivers, can be inserted in the ears, and are often used on radios and hearing aids. Headphones (also known as earplugs and earpieces) are a pair of conversion units. They receive electrical signals from media players or receivers and convert them into audible sound waves using speakers close to the ears. The headset is generally detachable from the media player and connected with a plug. The advantage is that it can listen to the sound alone without affecting others; it can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studios, DJs, travel, sports, etc. Earphones were originally used on phones and radios, but with the prevalence of portable electronic devices, earphones are mostly used in mobile phones, walkmans, and radios. Portable video games and digital audio players, etc. It is also used in computers and Hi-fi speakers.

Dynamic headphones, also known as electric headphones. At present, most affordable earphone earplugs belong to this category. The principle is similar to that of a dynamic speaker. A cylindrical coil wound in a permanent magnetic field is connected to the diaphragm, and the coil drives the diaphragm to sound under the signal current.

The main performance of the high-fidelity headset in the International Electrotechnical Commission IEC581-10 standard is: the frequency response is not less than 50Hz to 12500Hz; the allowable error of the typical frequency response is ±3dB; the slope of the frequency response curve does not exceed 9dB per octave; at 250Hz-800Hz The difference between the average sound pressure level of the left and right units in the same octave bandwidth is not more than 2dB; within the range of 100Hz-5000Hz, when the sound pressure level is 94dB, the harmonic distortion is not more than 1%, and when it is 100db, it is not more than 3%; The frequency response is allowed to decrease between 2KHz-5KHz to improve transparency and sense of space.

Existing high-fidelity earphone speakers usually cannot reach the calibrated sound range, the sound color performance is not obvious, the sound color is large and it is easy to be distorted, and the input cannot be fully reproduced. It is easy to produce waveform distortion or signal component increase or decrease, and the signal-to-noise ratio is low. The presence of noise affects people's use and is not conducive to the production and development of enterprises.

Summary of the invention

(1) Technical problems to be solved

In order to overcome the existing high-fidelity earplug speakers that usually cannot reach the calibrated sound range, the tone color is not obvious, the sound color is large and the distortion is prone to occur, the input cannot be fully reproduced, and the distortion of the waveform or the increase and decrease of signal components is easy to occur. The low noise ratio is prone to the disadvantage of noise. The technical problem to be solved by the present invention is to provide a high-fidelity earplug speaker.

(2) Technical solution

In order to solve the above technical problems, the present invention provides such a high-fidelity earplug speaker, including a tweeter, a lower channel, a midrange speaker, a midrange channel I, a woofer I, a bass channel I, an upper channel, and a midrange channel II. , Woofer Ⅱ, bass channel Ⅱ;

A lower channel is provided under the tweeter, and the tweeter is connected to the lower channel; a midrange speaker is provided on the left side of the tweeter, and a midrange channel I is set below the midrange speaker, and the tweeter is below the midrange channel I. A lower channel is provided, and the midrange speaker is connected to the lower channel through the midrange channel I;

A woofer I is set at the bottom left of the mid-range speaker, and the woofer I is set below the lower channel. A bass channel I is set on the left side of the woofer I. The bottom of the woofer I is connected to the bass channel I, and the bass channel I is Connect with the lower channel;

The upper channel is arranged above the tweeter, the upper channel corresponds to the lower channel, and the upper channel is connected to the tweeter; the midrange channel II is arranged above the midrange speaker, and the midrange channel II corresponds to the midrange channel I. , An upper channel is arranged above the midrange channel II, and the midrange speaker and the upper channel are connected through the midrange channel II;

On the upper left side of the mid-range speaker, there is a woofer II. The woofer II corresponds to the woofer I. The woofer II is installed above the upper channel. On the left side of the woofer II, there is a bass channel II. The bass channel I corresponds to the bass channel II, the top of the bass speaker II is connected to the bass channel II, and the bass channel II is connected to the upper channel.

Working principle: When the high-fidelity earphone speaker is connected to the sound source, the high-fidelity earphone speaker converts the electrical signal transmitted by the sound source into sound waves for output. An upper channel and a lower channel are symmetrically arranged above and below the tweeter, and a midrange speaker is arranged on the left side of the tweeter.

A midrange channel II and a midrange channel I are arranged symmetrically above and below the midrange speaker. The midrange channel II is connected to the upper channel, and the midrange channel I is connected to the lower channel. A woofer II and a woofer I are respectively arranged on the upper left and lower left of the midrange speaker, and the woofer II and the woofer I are arranged symmetrically. The bass channel II set on the left side of the woofer II is connected to the upper channel, and the bass channel I set on the left side of the woofer I is connected to the lower channel. The bass channel II and the bass channel I are set symmetrically.

The use of tweeter, midrange speaker, woofer I, and woofer II together, the interconnection of the lower channel, midrange channel I, bass channel I, upper channel, midrange channel II, and bass channel II greatly improves The high fidelity of the earplug speaker can fully reproduce its input without distortion of the waveform or increase or decrease of signal components.

A front shell and a rear shell are wrapped on the outside of the high-fidelity earplug speaker, and the front shell and the rear shell are bonded together to form a closed space, which improves the sound quality of the high-fidelity earplug speaker. The front shell is provided with a sound hole, and a silicone cap is wrapped on the sound hole. The setting of the silicone cap meets the requirements of ergonomics, which greatly improves the comfort of the earphone when using it.

(3) Beneficial effects

The high-fidelity earplug speaker provided by the present invention adopts a combination of a tweeter, a midrange speaker and a woofer to achieve a calibrated sound range, has obvious timbre performance, small sound dyeing and less distortion, and can fully reproduce it. Input, will not produce waveform distortion or increase or decrease of signal components, high signal-to-noise ratio is not easy to appear noise, greatly improved fidelity, good use effect, simple structure, convenient maintenance.

Description of the drawings

Figure 1 is a schematic diagram of the front view structure of the present invention.

The labels in the attached drawings are: 1-Tweeter, 2-Lower channel, 3-Mid-range speaker, 4-Mid-range channel I, 5-Bass speaker I, 6-Bass channel I, 7-Up channel, 8-Middle Sound channel Ⅱ, 9-woofer Ⅱ, 10-bass channel Ⅱ, 11-front shell, 12-silica gel cap, 13-sound hole, 14-rear shell.

detailed description

The present invention will be further described below in conjunction with the drawings and embodiments.

Example 1

A high-fidelity earplug speaker, as shown in Figure 1, includes a tweeter 1, a lower channel 2, a midrange speaker 3, a midrange channel I4, a bass speaker I5, a bass channel I6, an upper channel 7, and a midrange channel II8. Woofer Ⅱ9, bass channel Ⅱ10.

A lower channel 2 is provided under the tweeter 1, and the tweeter 1 is connected to the lower channel 2. A midrange speaker 3 is provided on the left side of the tweeter 1, and a midrange channel I4 is provided under the midrange speaker 3. A lower channel 2 is arranged below the midrange channel I4, and the midrange speaker 3 and the lower channel 2 are connected through the midrange channel I4.

A woofer I5 is arranged at the lower left of the midrange speaker 3, a woofer I5 is arranged below the lower channel 2, and a bass channel I6 is arranged on the left side of the woofer I5. The bottom of the woofer I5 is connected to the bass channel I6. Channel I 6 is connected to the lower channel 2.

The upper channel 7 is arranged above the tweeter 1. The upper channel 7 corresponds to the lower channel 2, and the upper channel 7 is connected to the tweeter 1; the midrange channel Ⅱ8 and the midrange channel Ⅱ8 are arranged above the midrange speaker 3. Corresponding to the midrange channel I4, an upper channel 7 is arranged above the midrange channel II8, and the midrange speaker 3 and the upper channel 7 are connected through the midrange channel II8.

A woofer Ⅱ9 is arranged on the upper left of the midrange speaker 3. The woofer Ⅱ9 corresponds to the woofer Ⅰ5. The woofer Ⅱ9 is arranged above the upper channel 7, and a bass channel Ⅱ10 is arranged on the left side of the woofer Ⅱ9. Ⅱ10 corresponds to the bass channel Ⅰ6, the top of the woofer Ⅱ9 is connected with the bass channel Ⅱ10, and the bass channel Ⅱ10 is connected with the upper channel 7.

Working principle: When the high-fidelity earphone speaker is connected to the sound source, the high-fidelity earphone speaker converts the electrical signal transmitted by the sound source into sound waves for output. An upper channel 7 and a lower channel 2 are symmetrically arranged above and below the tweeter 1, and a midrange speaker 3 is arranged on the left side of the tweeter 1.

A midrange channel II 8 and a midrange channel I 4 are arranged symmetrically above and below the midrange speaker 3, the midrange channel II 8 is connected to the upper channel 7, and the midrange channel I 4 is connected to the lower channel 2. A woofer Ⅱ 9 and a woofer Ⅰ 5 are respectively arranged on the upper left and lower left of the midrange speaker 3, and the woofer Ⅱ 9 and the woofer Ⅰ 5 are arranged symmetrically. The bass channel Ⅱ10 set on the left side of the woofer Ⅱ9 is connected to the upper channel 7, and the bass channel Ⅰ6 set on the left of the woofer Ⅰ5 is connected to the lower channel 2, and the bass channel Ⅱ10 and the bass channel I6 are set symmetrically.

Tweeter 1, midrange speaker 3, woofer Ⅰ5, woofer Ⅱ9 are used in conjunction with the lower channel 2, midrange channel Ⅰ4, bass channel Ⅰ 6, upper channel 7, midrange channel Ⅱ 8, and bass channel Ⅱ 10. The high fidelity of the earplug speaker is greatly improved, and its input can be fully reproduced without distortion of the waveform or increase or decrease of signal components.

A front shell 11 and a rear shell 14 are wrapped on the outside of the high-fidelity earplug speaker. The front shell 11 and the rear shell 14 are bonded together to form a closed space and improve the sound quality of the high-fidelity earplug speaker. A sound hole 13 is provided on the front shell 11, and a silicone cap 12 is wrapped on the sound hole 13. The setting of the silicone cap 12 meets the requirements of ergonomics, which greatly improves the comfort of the earphone in use.

The above-mentioned embodiments only express the preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but they should not be understood as limiting the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A high-fidelity earplug speaker, which is characterized by comprising a tweeter (1), a lower channel (2), a midrange speaker (3), a midrange channel I (4), a woofer I (5), and a bass channel I (6), upper channel (7), midrange channel II (8), bass speaker II (9), bass channel II (10);

A lower channel (2) is provided under the tweeter (1), and the tweeter (1) is connected to the lower channel (2); a midrange speaker (3) is provided on the left side of the tweeter (1), A midrange channel I (4) is arranged below the midrange channel I (4), and a lower channel (2) is arranged below the midrange channel I (4). The midrange speaker (3) and the lower channel (2) pass through the midrange Channel I (4) is connected;

A woofer I (5) is arranged on the lower left of the mid-range speaker (3), a woofer I (5) is arranged under the lower channel (2), and a bass channel I is arranged on the left side of the woofer I (5). 6) The bottom of the woofer I (5) is connected to the bass channel I (6), and the bass channel I (6) is connected to the lower channel (2);

An upper channel (7) is arranged above the tweeter (1), the upper channel (7) corresponds to the lower channel (2), and the upper channel (7) is connected to the tweeter (1); the midrange speaker (3) ) Is provided with a midrange channel II (8), the midrange channel II (8) corresponds to the midrange channel I (4), and an upper channel (7) is set above the midrange channel II (8), and the midrange channel II (8) corresponds to the midrange channel I (4). The sound horn (3) is connected with the upper channel (7) through the midrange channel II (8);

A woofer Ⅱ (9) is arranged on the upper left of the mid-range speaker (3). The woofer Ⅱ (9) corresponds to the woofer Ⅰ (5), and the woofer Ⅱ (9) is arranged above the upper channel (7). , There is a bass channel Ⅱ (10) on the left side of the woofer Ⅱ (9), the bass channel Ⅱ (10) corresponds to the bass channel Ⅰ (6), and the top of the woofer Ⅱ (9) corresponds to the bass channel Ⅱ (10). ) Is connected, and the bass channel Ⅱ (10) is connected with the upper channel (7).