Side-exhaust high-pitch-pressure miniature single body structure

Abstract

The utility model provides a side-exhaust high-pitch-pressure miniature monomer structure. The side-exhaust high-pitch-pressure miniature monomer structure comprises a yoke; the magnetic pole is arranged in the yoke; the washer covers the upper part of the magnetic pole; the basin frame is sleeved on the outer edge of the yoke; the center of the suspension system is provided with a vibrating diaphragm, and the periphery can be arranged on the basin stand; the voice coil is connected to the lower side of the vibrating diaphragm and is movably arranged between the magnetic pole and the basin frame; the front cover covers the basin stand and clamps the suspension system; wherein the yoke and the basin stand jointly form at least one lateral exhaust hole. According to the embodiment of the utility model, the frequency response performance can be effectively improved, and the high-frequency harmonic abnormal sound characteristic can be improved.

Description

Technical Field

[0001] The invention discloses a micro-mono structure with high sound pressure and side exhaust, in particular to a micro-mono structure with high sound pressure and side exhaust applied to a speaker. Background Art

[0002] A known speaker usually refers to an audio speaker, which can be composed of a unit, a cabinet, a dust cover, a crossover and other accessories; a known unit (driver) is an important part of an audio speaker. Common household speakers are often seen to be composed of several units, such as: mid-range units (Mid-range driver), tweeters (Tweeter), woofers (Woofers), etc. Therefore, when the speaker is manufactured, it will be divided into tweeters, mid-range units, and woofers, etc. according to the needs of playback, as a unit speaker that plays treble, mid-range, or heavy bass.

[0003] like Figure 1A , Figure 1B ,and Figure 1C As shown in FIG. 1 , a known portable electronic device is often used with a known micro-unit P10. Since the first thickness d1 of the washer 130 and the second thickness d2 of the yoke 110 of the micro-unit P10 have a thickness ratio (d1:d2) of 1:1 (d1:d2=1:1), it is impossible to effectively increase the magnetic force in the magnetic loop space and increase the electromechanical coupling factor (BL value), and it is easy to cause magnetic leakage, resulting in insufficient sound pressure. In the known micro-unit P10, the air vent P11 can be directly exhausted from the bottom of the unit to the rear, and the exhaust direction is as follows: Figure 1C As shown by the arrows in the figure, high-frequency harmonic noise (Rub & Buzz characteristics) is easily generated. Utility Model Content

[0004] This new model is a side-exhaust high-sound-pressure micro-monobody structure, which is mainly used to solve the problems of insufficient magnetic force, magnetic leakage, insufficient sound pressure, poor frequency response and high-frequency harmonic noise (R&B characteristics) of the monobody structure.

[0005] The invention provides a micro-monobody structure with side exhaust and high sound pressure, which comprises: a yoke having a containing space; a magnetic pole arranged in the containing space; a washer covering and fixed on the upper part of the magnetic pole; a basin having a basin through hole and sleeved on the outer edge of the yoke; a suspension system having a diaphragm arranged in the center and the periphery of the suspension system can be arranged on the basin; a voice coil having a top end connected to the lower side of the diaphragm and being movably arranged between the magnetic pole and the basin; and a front cover having a front cover opening, the front cover covering the upper part of the basin and clamping the suspension system; wherein the yoke and the basin are jointly formed with at least one lateral exhaust hole.

[0006] Preferably, the yoke has a base, and four walls are extended upward from the base, and a first lateral air outlet is provided between any two of the walls.

[0007] Preferably, the basin frame is provided with a second lateral air outlet corresponding to each of the first lateral air outlets, and each of the first lateral air outlets and the second lateral air outlet form the lateral exhaust hole.

[0008] Preferably, the thickness ratio of the washer to the yoke is 1 to 1.2, 1 to 1.3, or 1 to 1.4.

[0009] Preferably, a plurality of fixing frames are provided on the top surface of the basin frame.

[0010] Preferably, the front cover is provided with a plurality of fixing holes, and each of the fixing holes can be coupled to the fixing frame.

[0011] By implementing the present invention, at least the following improvements can be achieved:

[0012] 1. It can have better and smoother frequency response performance.

[0013] Second, it can make the high-frequency harmonic sound characteristic curve have a lower percentage and smoother performance.

[0014] In order to enable anyone familiar with the relevant skills to understand the technical content of the present invention and implement it accordingly, and according to the contents disclosed in this specification, the scope of the patent application and the drawings, anyone familiar with the relevant skills can easily understand the relevant purposes and advantages of the present invention, so the detailed features and advantages of the present invention will be described in detail in the implementation method. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1A is a cross-sectional view of a known micro-monomer structure;

[0016] Figure 1B is a top view of a known micro-monomer structure;

[0017] Figure 1C It is a back perspective view of a known micro-monobody structure;

[0018] Figure 2 A three-dimensional exploded embodiment diagram of a side exhaust high-sound pressure micro-monobody structure;

[0019] Figure 3A A cross-sectional embodiment diagram of a micro-monobody structure with side exhaust and high sound pressure;

[0020] Figure 3B A top view of an embodiment of a micro-monobody structure with side exhaust and high sound pressure;

[0021] Figure 3CA back perspective embodiment diagram of a micro-monobody structure with side exhaust and high sound pressure;

[0022] Figure 4 A frequency response comparison diagram of the novel and conventional techniques; and

[0023] Figure 5 This is a comparison chart of the high-frequency harmonic sound (R&B) of the novel and the conventional one.

[0024]

Explanation of symbols

[0025] P10 Conventional micro monomer

[0026] P11 Vent Hole

[0027] 10 Side exhaust high sound pressure micro-mono structure

[0028] 110 Yoke

[0029] 111 Accommodation Space

[0030] 112 Base

[0031] 113 Wall

[0032] 114 First side air outlet

[0033] 120 Magnetic Pole

[0034] 130 Washi

[0035] 140 Basin Stand

[0036] 141 Basin frame perforation

[0037] 142 Second side air outlet

[0038] 143 Fixed bracket

[0039] 150 Suspension System

[0040] 151 Diaphragm

[0041] 160 Voice Coil

[0042] 170 Front cover

[0043] 171 Front cover opening

[0044] 172 Fixing holes

[0045] 180 Side exhaust holes

[0046] d1 first thickness

[0047] d2 Second thickness

[0048] d3 third thickness

[0049] d4 fourth thickness

[0050] L11 First solid line

[0051] L12 First dotted line

[0052] L21 Second solid line

[0053] L22 second dotted line DETAILED DESCRIPTION

[0054] like Figure 2 As shown, this embodiment is a side exhaust high sound pressure micro-monomer structure 10, which includes: a yoke 110; a magnetic pole 120; a washer 130; a basin 140; a suspension system 150; a voice coil 160; and a front cover 170; wherein the yoke 110 and the basin 140 together form at least one side exhaust hole 180.

[0055] The yoke 110 can be used as a micro-monobody structure 10 for side exhaust of high sound pressure, and its driving part has an external magnetic pole 120, and the yoke 110 has a accommodating space 111; more specifically, the yoke 110 has a base 112, and four walls 113 are extended upward from the base 112, and a first lateral air outlet 114 can be provided between any two walls 113.

[0056] The magnetic pole 120 is a permanent magnet. The magnetic pole 120 can be used as a micro-monobody structure 10 with side exhaust and high sound pressure. The central magnetic pole 120 of the driving part of the magnetic pole 120 can be set in the accommodating space 111 of the yoke 110.

[0057] like Figure 3A As shown, the washer 130 covers and is fixed on the top of the magnetic pole 120, and can be used to fix the magnetic pole 120. In this embodiment, the thickness ratio (d3:d4) of the third thickness d3 of the washer 130 and the fourth thickness d4 of the yoke 110 can be 1 to 1.2 (1:1.2), 1 to 1.3 (1:1.3), or 1 to 1.4 (1:1.4)...etc., which is mainly to increase the magnetic force and increase the BL value by adjusting the thickness ratio of the yoke 110 and the washer 130 inside the single magnetic loop in the effective magnetic loop space, so as to reduce the leakage magnetic field and thus increase the sound pressure.

[0058] like Figure 3B and Figure 3C As shown, the basin frame 140 has a basin frame through hole 141, and the basin frame 140 is sleeved on the outer edge of the yoke 110; the basin frame 140 is provided with a second lateral air outlet 142 corresponding to each first lateral air outlet 114, and each first lateral air outlet 114 and the second lateral air outlet 142 have an exhaust direction as shown in FIG. Figure 3CAs shown by the arrow in , the yoke 110 and the basin frame 140 form at least a lateral exhaust hole 180 together. By means of the lateral exhaust design, it is possible to effectively reduce high-frequency harmonic noise (R&B characteristics).

[0059] The suspension system 150 has a diaphragm 151 at its center, and the periphery of the suspension system 150 can be disposed on the basin frame 140 , thereby enabling the diaphragm 151 to operate stably.

[0060] The voice coil 160 has its top end connected to the lower side of the diaphragm 151. The voice coil 160 is movably disposed between the magnetic pole 120 and the basin frame 140. After receiving the audio signal, the voice coil 160 generates a magnetic field, which interacts with the magnetic field lines of the magnetic pole 120 to push the diaphragm 151 to move forward and backward, thereby completing the function of sound generation.

[0061] The front cover 170 has a front cover opening 171. The front cover 170 covers the top of the basin frame 140 and clamps the suspension system 150. In order to effectively combine the front cover 170 and the basin frame 140, a plurality of fixing frames 143 can be provided on the top surface of the basin frame 140, and the front cover 170 can be provided with a plurality of fixing holes 172, and each fixing hole 172 can be combined with the fixing frame 143.

[0062] like Figure 4 As shown, it is a frequency response comparison diagram of the known micro-monomer P10 and the micro-monomer structure 10 with side exhaust and high sound pressure of the present embodiment. The first solid line L11 is the frequency response curve of the known micro-monomer P10, and the first dotted line L12 is the frequency response curve of the micro-monomer structure 10 with side exhaust and high sound pressure of the present embodiment, which has a better and smoother frequency response.

[0063] like Figure 5 As shown, it is a comparison diagram of high-frequency harmonic noise (R&B) of the known micro-monomer P10 and the micro-monomer structure 10 of the side exhaust high sound pressure of this embodiment.

[0064] The second solid line L11 is the high-frequency harmonic noise characteristic curve of the known micro-monomer P10, and the second dotted line L22 is the high-frequency harmonic noise characteristic curve of the micro-monomer structure 10 with high sound pressure at the side exhaust of this embodiment, which has a lower percentage of noise and a smoother performance.

[0065] In summary Figure 4 and Figure 5 From the results, it can be known that after adjusting the thickness ratio of the yoke 110 and the washer 130 or changing the design of the exhaust direction of the exhaust hole, the present embodiment has achieved a significantly improved effect.

[0066] The above-described embodiments can be used to illustrate the features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, rather than to limit the patent scope of the present invention. Therefore, any other equivalent modifications or modifications that do not deviate from the spirit disclosed by the present invention should still be included in the scope of the patent application described below.

Claims

1. A side exhaust high sound pressure micro-monobody structure, characterized in that: include: A yoke having a receiving space; A magnetic pole is disposed in the accommodating space; A washer, covering and fixed above the magnetic pole; A basin frame having a basin frame through hole and sleeved on the outer edge of the yoke; A suspension system, the center of which is provided with a diaphragm, and the periphery of the suspension system is arranged on the basin frame; A voice coil, the top end of which is connected to the lower side of the diaphragm, and the voice coil is movably disposed between the magnetic pole and the basin frame; as well as A front cover having a front cover opening, the front cover covers the upper part of the basin frame and clamps the suspension system; The yoke and the basin frame are jointly formed with at least one lateral exhaust hole.

2. The micro-monomer structure according to claim 1, characterized in that: The yoke has a base, and four walls are extended upward from the base, and a first lateral air outlet is arranged between any two of the walls.

3. The micro-monobody structure according to claim 2, characterized in that: The basin frame is provided with a second lateral air outlet corresponding to each of the first lateral air outlets, and each of the first lateral air outlets and the second lateral air outlet form the lateral exhaust hole.

4. The micro-monomer structure according to claim 2, characterized in that: The thickness ratio of the washer to the yoke is 1:1.2, 1:1.3, or 1:1.

4.

5. The micro-monomeric structure according to claim 1, characterized in that: A plurality of fixing frames are arranged on the top surface of the basin frame.

6. The micro-monobody structure according to claim 5, characterized in that: The front cover is provided with a plurality of fixing holes, and each of the fixing holes is combined with the fixing frame.

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