Planar diaphragm unit with multi-pole magnet

Abstract

The utility model discloses a planar diaphragm unit with a multi-pole magnet, which comprises a supporting device, and a sounding device is arranged at the bottom of the supporting device. The supporting device comprises a mounting cylinder, two limiting seats are symmetrically arranged at the bottom of the mounting cylinder, and limiting grooves are formed in the inner sides of the limiting seats; according to the planar diaphragm unit with the multi-pole magnet, the design of the multi-pole magnet is used, the process of a product is simplified, the performance of the product is improved, the multi-pole magnet is used and is matched with a plurality of coils, the coils can be used independently and can also be used in series or in parallel, a plurality of welding points are provided outside the loudspeaker unit, and the loudspeaker unit is convenient to use. Customers have more choices, required electroacoustic performance can be selected according to requirements, the device assembly process is simple, meanwhile, the magnetic field is stronger, and a higher sound pressure level can be obtained; and through the design that a spring pushes a limiting bead to be clamped into a clamping groove, the sound production device can be conveniently and rapidly installed, meanwhile, disassembly is more convenient, the device practicability is higher, and repairing and replacement are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of electroacoustic horn accessory design, and particularly relates to a planar diaphragm unit with a multi-pole magnet. Background Art

[0002] An electroacoustic horn, also known as a loudspeaker or a loudhailer, is a device that converts an electrical signal into a sound wave. It is a key component in an audio system and is widely used in various occasions, such as home audio, car audio, public address systems, cinemas, and professional audio equipment, etc. The core function of an electroacoustic horn is to convert the electrical energy of an audio signal into mechanical vibration, and then transmit sound through the air. As a key component in an audio system, its design and performance directly affect the user's auditory experience. With the continuous progress of technology, electroacoustic horns will continue to make breakthroughs in sound quality, functions, and application fields, bringing users a richer and higher-quality audio experience.

[0003] At present, the planar diaphragm unit on the electroacoustic horn adopts a magnet array, so the assembly process is complex. Due to assembly differences, the magnetic field is uneven, and the product consistency is poor; at the same time, a single coil is adopted in the existing planar diaphragm unit, and the resistance is not adjustable; the device installation is relatively troublesome, which is not conducive to repair and replacement. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a planar diaphragm unit with a multi-pole magnet to solve the problems in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A planar diaphragm unit with a multi-pole magnet includes a support device, and a sound generating device is arranged at the bottom of the support device; the support device includes an installation cylinder, two limit seats are symmetrically arranged at the bottom of the installation cylinder, a limit groove is arranged inside the limit seat, a spring is fixedly arranged at the bottom of the limit seat, and a limit bead is fixedly arranged at the end of the spring; the sound generating device includes a housing, two clamping blocks are symmetrically and fixedly arranged on both sides of the housing, a clamping groove is arranged outside the clamping block, a plurality of inner magnets are evenly arranged in the middle of the housing, a plurality of outer magnets are evenly arranged outside the inner magnet, a diaphragm frame is arranged at the bottom of the outer magnet, a diaphragm body is arranged on the diaphragm frame, a stepped coil is arranged at the bottom of the diaphragm body, and three inner and outer multi-pole coils are evenly arranged on the circumference of the stepped coil.

[0007] Further: A plurality of installation blocks are evenly and fixedly arranged on the circumference of the top of the installation cylinder, and a wire management clip is fixedly arranged in the middle of the installation cylinder.

[0008] Further: Two protective shells are symmetrically and fixedly arranged between the two limit seats.

[0009] Furthermore, the clamping block is square, and the clamping block is slidably inserted into the limiting seat.

[0010] Furthermore, the clamping groove is semi-circular.

[0011] Furthermore, the limiting seat is integrally formed with the mounting cylinder, and the spring is bolted to the limiting seat.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By using the design of multi-pole magnets, the process of the product is simplified and the performance of the product is improved. With multi-pole magnets and multiple coils, these coils can be used alone or in series or in parallel, and multiple welding points are provided outside the speaker unit, giving customers more choices. They can select the required electro-acoustic performance according to their needs. The assembly process of the device is simple, and at the same time, the magnetic field is stronger, and a higher sound pressure level can be obtained.

[0014] 2. By setting the design of the spring to push the limiting bead into the clamping groove, it is convenient to quickly install the sound generating device, and at the same time, the disassembly is more convenient. The practicality of the device is stronger, which is beneficial for repair and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of a planar diaphragm unit with multi-pole magnets according to the present utility model;

[0017] Figure 2 is a partial cross-sectional view of a support device of a planar diaphragm unit with multi-pole magnets according to the present utility model;

[0018] Figure 3 is an external view of a sound generating device of a planar diaphragm unit with multi-pole magnets according to the present utility model;

[0019] Figure 4 is an exploded view of a sound generating device of a planar diaphragm unit with multi-pole magnets according to the present utility model.

[0020] In the attached drawings: 1. Support device; 101. Mounting cylinder; 102. Mounting block; 103. Wire management clip; 104. Limit seat; 105. Protective case; 106. Limit groove; 107. Limit bead; 108. Spring; 2. Sound generating device; 201. Outer shell; 202. Clamping block; 203. Card slot; 204. Inner magnet; 205. Outer magnet; 206. Diaphragm frame; 207. Diaphragm body; 208. Step coil; 209. Inner and outer multi-pole coil. Detailed implementation mode

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0022] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0024] Please refer to Figures 1 - 4 , a planar diaphragm unit with multi-pole magnets, including a support device 1, and a sound generating device 2 is arranged at the bottom of the support device 1.

[0025] In this embodiment: The support device 1 includes an installation cylinder 101. Two limit seats 104 are symmetrically arranged at the bottom of the installation cylinder 101. A limit groove 106 is arranged inside the limit seat 104. A spring 108 is fixedly arranged at the bottom of the limit seat 104. A limit bead 107 is fixedly arranged at the end of the spring 108. A plurality of installation blocks 102 are fixedly arranged on the top circumference of the installation cylinder 101 in a uniform manner. A wire management clip 103 is fixedly arranged in the middle of the installation cylinder 101. Two protective cases 105 are symmetrically and fixedly arranged between the two limit seats 104. The limit seat 104 and the installation cylinder 101 are integrally formed. The spring 108 is bolted to the limit seat 104. During installation, first fix the installation cylinder 101 at the position to generate sound through the installation blocks 102, insert the outer shell 201 into the bottom of the support device 1, and the clamping blocks 202 on both sides of the outer shell 201 slide along the limit groove 106 at the bottom of the limit seat 104, forcing the limit bead 107 to move outward when touched, and at the same time compressing the spring 108. After the limit bead 107 slides into the inside of the limit seat 104, it continues to push the outer shell 201 until the clamping groove 203 is flush with the height of the limit bead 107. At this time, the limit bead 107 loses the pressure from the clamping block 202, and the limit seat 104 supports the spring 108 to push the limit bead 107 into the clamping groove 203 through the elastic force. At this time, the clamping block 202 is fixed between the two limit seats 104, completing the installation process of the sound generating device 2;

[0026] In this embodiment: The sound generating device 2 includes an outer shell 201. Two clamping blocks 202 are symmetrically and fixedly arranged on both sides of the outer shell 201. A clamping groove 203 is arranged on the outside of the clamping block 202. A plurality of inner magnets 204 are evenly arranged in the middle of the outer shell 201. A plurality of outer magnets 205 are evenly arranged outside the inner magnets 204. A diaphragm frame 206 is arranged at the bottom of the outer magnet 205. A diaphragm body 207 is arranged on the diaphragm frame 206. A stepped coil 208 is arranged at the bottom of the diaphragm body 207. Three inner and outer multi-pole coils 209 are evenly arranged on the circumference of the stepped coil 208. The clamping block 202 is square, and the clamping block 202 is slidably inserted and connected with the limit seat 104. The clamping groove 203 is semi-circular. The sound generating device 2 contains multiple magnetic poles formed by the combination of inner magnets 204 and outer magnets 205, and a stepped coil 208 and multiple inner and outer multi-pole coils 209 are installed at the bottom. The stepped coil 208 and the multiple inner and outer multi-pole coils 209 can be used alone or in series or in parallel, and the circuit is welded according to the electro-acoustic requirements of use. The circuit after welding of the sound generating device 2 extends out from the top of the outer shell 201, passes through the wire management clip 103 and is connected to the outside. The wire management clip 103 can prevent the wires from spreading.

[0027] Working principle: During installation, first fix the installation cylinder 101 at the position to emit sound through the installation block 102. Insert the outer shell 201 into the bottom of the support device 1. The clamping blocks 202 on both sides of the outer shell 201 slide along the limit grooves 106 at the bottom of the limit seat 104, touch the limit beads 107 and force them to move outward, while compressing the spring 108. After the limit beads 107 slide into the inside of the limit seat 104, continue to push the outer shell 201 until the card slot 203 is level with the limit beads 107. At this time, the limit beads 107 lose the pressure from the clamping blocks 202, and the support spring 108 of the limit seat 104 pushes the limit beads 107 into the card slot 203 by elastic force. At this time, the clamping blocks 202 are fixed between the two limit seats 104, completing the installation process of the sound emitting device 2. The sound emitting device 2 contains multiple magnetic poles composed of inner magnets 204 and outer magnets 205, and a stepped coil 208 and multiple inner and outer multi-pole coils 209 are installed at the bottom. The stepped coil 208 and multiple inner and outer multi-pole coils 209 can be used alone or in series or parallel, and the circuit is welded according to the electro-acoustic requirements. The circuit after welding of the sound emitting device 2 extends from the top of the outer shell 201, passes through the wire management clip 103 and is connected to the outside. The wire management clip 103 can prevent the wires from spreading.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A planar diaphragm unit with a multi-pole magnet, characterized in that: It includes a support device (1), and a sound - generating device (2) is arranged at the bottom of the support device (1); The support device (1) includes an installation cylinder (101). Two limit seats (104) are symmetrically arranged at the bottom of the installation cylinder (101). A limit groove (106) is arranged inside the limit seat (104). A spring (108) is fixedly arranged at the bottom of the limit seat (104), and a limit bead (107) is fixedly arranged at the end of the spring (108); The sound - generating device (2) includes a housing (201). Two clamping blocks (202) are symmetrically and fixedly arranged on both sides of the housing (201). A clamping groove (203) is arranged outside the clamping block (202). A plurality of inner magnets (204) are evenly arranged in the middle of the housing (201). A plurality of outer magnets (205) are evenly arranged outside the inner magnets (204). A diaphragm frame (206) is arranged at the bottom of the outer magnet (205). A diaphragm body (207) is arranged on the diaphragm frame (206). A stepped coil (208) is arranged at the bottom of the diaphragm body (207). Three inner - outer multi - pole coils (209) are evenly arranged on the circumference of the stepped coil (208).

2. The planar diaphragm unit with a multi-pole magnet according to claim 1, wherein: A plurality of installation blocks (102) are evenly and fixedly arranged on the circumference of the top of the installation cylinder (101), and a wire - managing clip (103) is fixedly arranged in the middle of the installation cylinder (101).

3. The planar diaphragm unit with multi-pole magnets according to claim 1, characterized in that: Two protection cases (105) are symmetrically and fixedly arranged between the two limit seats (104).

4. A planar diaphragm unit with a multi-pole magnet according to claim 1, characterized in that: The clamping block (202) is square, and the clamping block (202) is slidably inserted into the limit seat (104).

5. A planar diaphragm unit with a multi-pole magnet according to claim 1, characterized in that: The clamping groove (203) is semi - circular.

6. The planar diaphragm unit with a multi-pole magnet according to claim 1, characterized in that: The limit seat (104) and the installation cylinder (101) are integrally formed, and the spring (108) is bolt - connected to the limit seat (104).

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