Loudspeaker capable of improving sound pressure

Abstract

The invention belongs to the technical field of loudspeakers, and particularly relates to a loudspeaker capable of improving sound pressure, which comprises a T iron and a voice coil, and is characterized in that the voice coil sleeves the outer side of the top end of the T iron; the outer magnetic piece is arranged on the T iron in a sleeving manner and is positioned below the voice coil; the magnetic isolation assembly is arranged above the outer magnetic piece and arranged on the outer side of the voice coil in a sleeving mode, and the bottom end of the magnetic isolation assembly is flush with the bottom end of the voice coil; the double inner magnetic pieces are arranged at the top end of the T iron and are positioned in the voice coil; the double-winding piece is arranged at the bottom of the outer side of the voice coil in a sleeving manner; the magnetism isolating assembly, the double inner magnetic pieces and the double rolling pieces are located in the same horizontal plane. Three magnetic circuits of the loudspeaker are formed by the outer magnetic piece arranged on the T-shaped iron and the double inner magnetic pieces arranged in the voice coil, a double-winding voice coil can be formed by the double-winding piece arranged on the outer side of the voice coil, the three magnetic circuits and the double-winding voice coil act together, the sound pressure of the loudspeaker is improved, and therefore the volume and the hearing effect of the loudspeaker are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of loudspeakers, and in particular relates to a loudspeaker capable of increasing sound pressure. Background Art

[0002] A speaker is a device that converts electrical signal energy into sound energy and can radiate sound energy into a limited space or outdoor space. It is commonly known as a horn.

[0003] The speaker is composed of a fixed permanent magnet, a coil and a cone. There are electric and electromagnetic types, and they are divided into built-in speakers and external speakers. When the speaker is working, the coil passes an alternating current whose size and direction change with time, and is used to play music, language and other signals. The performance of the speaker has a great impact on the sound quality. The speaker is the weakest component in the audio equipment, but it is also the most important component for the sound effect.

[0004] Sound pressure directly affects the volume and listening experience of the speaker. Under the premise that the energy of the input electrical signal remains unchanged, the higher the sound pressure, the louder the volume of the speaker and the better the listening experience. Summary of the invention

[0005] The purpose of the present invention is to provide a loudspeaker capable of increasing sound pressure, so as to improve the volume and listening effect of the loudspeaker under the premise that the energy of the input electrical signal remains unchanged.

[0006] To achieve the above object, the present invention provides the following solution: a loudspeaker capable of increasing sound pressure, comprising:

[0007] A T-iron and a voice coil, wherein the voice coil is sleeved outside the top end of the T-iron;

[0008] An external magnetic component, which is sleeved on the T-iron and located below the voice coil;

[0009] A magnetic isolation component, the magnetic isolation component is arranged above the external magnetic component and sleeved on the outside of the voice coil, and the bottom end of the magnetic isolation component is flush with the bottom end of the voice coil;

[0010] A double inner magnetic component, the double inner magnetic component is arranged at the top of the T iron and located inside the voice coil;

[0011] A double web-rolling member, wherein the double web-rolling member is sleeved on the outer bottom of the voice coil;

[0012] The magnetic isolation assembly, the double inner magnetic components, and the double web-rolling components are located in the same horizontal plane.

[0013] Preferably, the double internal magnetic component includes two magnet sheets and an inner washer, the inner washer is located between the two magnet sheets, the magnet sheet located at the bottom is fixedly connected to the top of the T-iron, the magnet sheet located at the bottom has the same diameter as the inner washer, the magnet sheet located at the top has a smaller diameter than the inner washer, and the two magnet sheets are coaxially arranged with the inner washer.

[0014] Preferably, the magnet sheet is a neodymium iron boron magnet.

[0015] Preferably, the double-wound member includes two copper wire rings, which are sleeved on the outer bottom of the voice coil, with a gap between the two copper wire rings. The copper wire ring located at the bottom is flush with the bottom of the voice coil and is in the same horizontal plane with the magnet sheet arranged at the top of the T-iron, and the copper wire ring located at the top is in the same horizontal plane with the inner washer.

[0016] Preferably, the magnetic isolation assembly includes two outer washers and a copper ring, the copper ring is located between the two outer washers, the two outer washers and the copper ring are coaxially sleeved on the outside of the voice coil, the outer washers located above are in the same horizontal plane as the copper wire ring located above, and the outer washers located below are in the same horizontal plane as the copper wire ring located below and are fixedly connected to the top of the external magnetic component.

[0017] Preferably, the outer washer and the inner washer are both made of cold-rolled steel.

[0018] Preferably, the external magnetic component comprises a magnet ring, which is sleeved on the T-iron and located below the voice coil.

[0019] Preferably, the magnet ring is a ferrite magnet.

[0020] Preferably, a basin frame is fixedly connected to the top of the magnetic isolation assembly, and the basin frame is coaxially arranged on the outside of the voice coil. A sound membrane is fixedly connected to the top of the basin frame, and the sound membrane is coaxially arranged on the outside of the top of the voice coil. A dust cap is fixedly connected to the inner circle of the sound membrane, and the dust cap is located above the voice coil.

[0021] Preferably, a spring is fixedly connected to the middle of the inner wall of the basin frame, the spring is coaxially arranged outside the middle of the voice coil, and a joint is fixedly connected to the outer wall of the basin frame.

[0022] Compared with the prior art, the present invention has the following advantages and technical effects:

[0023] The present invention forms three magnetic circuits of the speaker by means of an external magnetic component arranged on a T-iron and double internal magnetic components arranged in a voice coil, and a double-width voice coil can be formed by means of double-width coil components arranged outside the voice coil. The three magnetic circuits and the double-width voice coil work together to increase the sound pressure of the speaker, thereby increasing the volume and listening effect of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a cross-sectional view of the present invention.

[0027] Among them, 1. T iron; 2. magnet ring; 3. voice coil; 4. basin frame; 5. sound membrane; 6. dust cap; 7. spring wave; 8. joint; 9. outer washer; 10. copper ring; 11. magnet sheet; 12. inner washer; 13. copper wire ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Reference Figure 1 to Figure 2 As shown, the present invention provides a loudspeaker capable of increasing sound pressure, comprising

[0031] T-iron 1 and voice coil 3, wherein the voice coil 3 is sleeved on the outer side of the top of the T-iron 1;

[0032] The external magnetic part is mounted on the T-iron 1 and is located below the voice coil 3;

[0033] A magnetic isolation component is arranged above the external magnetic component and sleeved on the outside of the voice coil 3, and the bottom end of the magnetic isolation component is flush with the bottom end of the voice coil 3;

[0034] Double inner magnetic parts, which are arranged at the top of the T-iron 1 and located inside the voice coil 3;

[0035] A double-wrap member, which is sleeved on the outer bottom of the voice coil 3;

[0036] The magnetic isolation assembly, the double inner magnetic components and the double web-rolling components are located in the same horizontal plane.

[0037] A further optimized solution is that the double inner magnetic component includes two magnet sheets 11 and an inner washer 12, the inner washer 12 is located between the two magnet sheets 11, the lower magnet sheet 11 is fixedly connected to the top of the T-iron 1, the lower magnet sheet 11 has the same diameter as the inner washer 12, the upper magnet sheet 11 has a smaller diameter than the inner washer 12, and the two magnet sheets 11 are coaxially arranged with the inner washer 12.

[0038] According to a further optimized solution, the magnet sheet 11 is a neodymium iron boron magnet.

[0039] A further optimized solution is that the double-wound component includes two copper wire rings 13, and the two copper wire rings 13 are sleeved on the outer bottom of the voice coil 3, with a gap between the two copper wire rings 13. The copper wire ring 13 located at the bottom is flush with the bottom end of the voice coil 3 and is in the same horizontal plane with the magnet sheet 11 arranged on the top of the T-iron 1, and the copper wire ring 13 located at the top is in the same horizontal plane with the inner washer 12.

[0040] A further optimized solution is that the magnetic isolation assembly includes two outer washers 9 and a copper ring 10, the copper ring 10 is located between the two outer washers 9, the two outer washers 9 and the copper ring 10 are coaxially sleeved on the outside of the voice coil 3, the upper outer washers 9 and the upper copper wire ring 13 are in the same horizontal plane, the lower outer washers 9 and the lower copper wire ring 13 are in the same horizontal plane and are fixedly connected to the top of the external magnetic component.

[0041] To further optimize the solution, the materials of the outer washer 9 and the inner washer 12 are both cold-rolled steel.

[0042] According to a further optimized solution, the external magnetic component includes a magnet ring 2 , which is sleeved on the T-iron 1 and located below the voice coil 3 .

[0043] According to a further optimized solution, the magnet ring 2 is a ferrite magnet.

[0044] A further optimized solution is that a basin frame 4 is fixedly connected to the top of the magnetic isolation assembly, and the basin frame 4 is coaxially arranged on the outside of the voice coil 3. A sound diaphragm 5 is fixedly connected to the top of the basin frame 4, and the sound diaphragm 5 is coaxially arranged on the outside of the top of the voice coil 3. A dust cap 6 is fixedly connected to the inner circle of the sound diaphragm 5, and the dust cap 6 is located above the voice coil 3.

[0045] According to a further optimized solution, a spring 7 is fixedly connected to the middle of the inner wall of the basin frame 4 , the spring 7 is coaxially arranged on the outer side of the middle of the voice coil 3 , and a joint 8 is fixedly connected to the outer wall of the basin frame 4 .

[0046] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and 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 therefore should not be understood as a limitation on the present invention.

[0047] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope of the present invention.

Claims

1. A loudspeaker capable of increasing sound pressure, characterized in that: include A T-iron (1) and a voice coil (3), wherein the voice coil (3) is sleeved on the outside of the top end of the T-iron (1); An external magnetic component, the external magnetic component is sleeved on the T-iron (1) and is located below the voice coil (3); A magnetic isolation component, the magnetic isolation component is arranged above the external magnetic component and sleeved on the outside of the voice coil (3), and the bottom end of the magnetic isolation component is flush with the bottom end of the voice coil (3); A double inner magnetic component, the double inner magnetic component is arranged at the top of the T-iron (1) and is located inside the voice coil (3); A double web-rolling member, the double web-rolling member being sleeved on the outer bottom of the voice coil (3); The magnetic isolation assembly, the double inner magnetic components, and the double web-rolling components are located in the same horizontal plane.

2. A loudspeaker capable of increasing sound pressure according to claim 1, characterized in that: The double inner magnetic component comprises two magnet sheets (11) and an inner washer (12), wherein the inner washer (12) is located between the two magnet sheets (11), the magnet sheet (11) located at the bottom is fixedly connected to the top of the T iron (1), the magnet sheet (11) located at the bottom has the same diameter as the inner washer (12), the magnet sheet (11) located at the top has a diameter smaller than that of the inner washer (12), and the two magnet sheets (11) and the inner washer (12) are coaxially arranged.

3. A loudspeaker capable of increasing sound pressure according to claim 2, characterized in that: The magnet sheet (11) is a neodymium iron boron magnet.

4. The loudspeaker capable of increasing sound pressure according to claim 2, characterized in that: The double-wound component comprises two copper wire rings (13), which are sleeved on the outer bottom of the voice coil (3), with a gap between the two copper wire rings (13); the copper wire ring (13) located at the bottom is flush with the bottom of the voice coil (3) and is in the same horizontal plane as the magnet sheet (11) arranged at the top of the T-iron (1); and the copper wire ring (13) located at the top is in the same horizontal plane as the inner washer (12).

5. A loudspeaker capable of increasing sound pressure according to claim 4, characterized in that: The magnetic isolation component comprises two outer washers (9) and a copper ring (10), wherein the copper ring (10) is located between the two outer washers (9), and the two outer washers (9) and the copper ring (10) are coaxially sleeved on the outside of the voice coil (3), the outer washers (9) located above and the copper wire ring (13) located above are in the same horizontal plane, and the outer washers (9) located below and the copper wire ring (13) located below are in the same horizontal plane and are fixedly connected to the top of the external magnetic component.

6. The loudspeaker capable of increasing sound pressure according to claim 5, characterized in that: The outer washer (9) and the inner washer (12) are both made of cold-rolled steel.

7. The loudspeaker capable of increasing sound pressure according to claim 1, characterized in that: The external magnetic component comprises a magnet ring (2), wherein the magnet ring (2) is sleeved on the T-iron (1) and is located below the voice coil (3).

8. The loudspeaker capable of increasing sound pressure according to claim 7, characterized in that: The magnet ring (2) is a ferrite magnet.

9. The loudspeaker capable of increasing sound pressure according to claim 1, characterized in that: The top of the magnetic isolation component is fixedly connected to a basin frame (4), and the basin frame (4) is coaxially arranged on the outside of the voice coil (3). The top of the basin frame (4) is fixedly connected to a sound membrane (5), and the sound membrane (5) is coaxially arranged on the outside of the top of the voice coil (3). The inner circle of the sound membrane (5) is fixedly connected to a dust cap (6), and the dust cap (6) is located above the voice coil (3).

10. The loudspeaker capable of increasing sound pressure according to claim 9, characterized in that: A spring wave (7) is fixedly connected to the middle of the inner wall of the basin frame (4); the spring wave (7) is coaxially arranged outside the middle of the voice coil (3); and a joint (8) is fixedly connected to the outer wall of the basin frame (4).

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