Dual-unit driver module of earphone
The dual magnetic circuit structure composed of internal and external dual magnets and the carefully designed front and rear speaker cavities and bass reflex tube solves the sound quality problem of the single-unit driver module in high volume or complex music scenes, and improves the sound performance and listening experience of the headphones.
Patent Information
- Application Number
- CN202421648906.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The single-unit driver modules on the market have reduced sound clarity and accuracy at high volume or in complex music scenarios, resulting in reduced sound quality of the headphones, making it difficult to distinguish the details of complex audio and reducing the realism and three-dimensionality of the listening experience.
It adopts a dual magnetic circuit structure design consisting of internal and external dual magnets, combined with carefully adjusted front and rear speaker cavities and bass reflex tubes, uses highly flexible material diaphragms and high-tension voice coils, and the mid-high frequency speaker units are made of lightweight and rigid materials. The bass reflex port is designed to fully utilize the diaphragm energy to form a modular driver.
It achieves natural and deep bass, delicate and full mid-range, and soft and bright treble, enhancing the expressiveness and listening experience of the headphones in complex audio.
Smart Images

Figure CN223322142U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of driver modules, and in particular relates to a dual-unit driver module for headphones. Background Art
[0002] A dual-driver headphone design is a device used to enhance the sound performance and quality of headphones. Existing single-driver headphone designs struggle to maintain clarity and accuracy at high volumes or in complex music scenarios, resulting in reduced sound quality. Furthermore, in complex audio content, it can be difficult to clearly distinguish the details of each frequency band, reducing the realism and three-dimensionality of the listening experience. Utility Model Content
[0003] The purpose of the present invention is to provide a dual-unit driver module for headphones, so as to at least solve the above-mentioned problems existing in the prior art.
[0004] To achieve the above-mentioned objectives, the dual-unit driver module of the earphones provided in an embodiment of the present invention includes a plastic bracket and a tuning net, a ring magnet A is fixedly installed on the surface of the plastic bracket, a woofer voice coil is arranged inside the plastic bracket, a woofer diaphragm is arranged on the surface of the woofer voice coil, a magnet B is fixedly installed inside the plastic bracket, a copper ring is fixedly installed on the surface of the plastic bracket, a magnetic steel A is fixedly installed on the surface of the plastic bracket, a magnetic steel B is fixedly installed on the surface of the plastic bracket, a mid-high frequency unit diaphragm is arranged on the surface of the tuning net, and a circuit board is arranged on the surface of the tuning net.
[0005] Optionally, a mid-high frequency unit cover is fixedly mounted on the surface of the plastic bracket.
[0006] Optionally, a woofer rear cavity is provided on the surface of the plastic bracket.
[0007] Optionally, a bass reflex hole is provided on the surface of the plastic bracket.
[0008] The above one or more technical solutions in the dual-unit driver module of the earphone provided by the embodiment of the present invention have at least one of the following technical effects: in the dual-unit driver module of the earphone of the present invention, by arranging the woofer diaphragm, the mid-treble unit diaphragm and the woofer back cavity, the bass is naturally deep, the mid-range is delicate and full, and the treble is soft and bright; and the design of the bass reflex port makes full use of the energy before and after the woofer diaphragm, and the low frequency is more powerful and thick. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0010] Figure 1 A top view of the dual-unit driver module of the earphone provided in an embodiment of the present invention.
[0011] Figure 2 A schematic diagram of the internal structure of the dual-unit driver module of the earphone provided in an embodiment of the present invention.
[0012] Figure 3 A bottom view of the dual-unit driver module of the earphone provided in an embodiment of the present invention.
[0013] Figure 4 A schematic diagram of the internal structure of the dual-unit driver module of the earphone provided in an embodiment of the present invention.
[0014] Among them, the reference numerals in the figures are:
[0015] 1—Plastic bracket 2—Ring magnet A 3—Woofer diaphragm
[0016] 4—Magnet B 5—Woofer voice coil 6—Copper ring
[0017] 7—Magnetic steel A 8—Mid-high frequency unit diaphragm 9—Magnetic steel B
[0018] 10—Tuning net 11—Circuit board 12—Bass reflex port
[0019] 13—Bass unit back cavity 14—Mid-high frequency unit cover. DETAILED DESCRIPTION
[0020] The following describes the embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Figure 1-4 The described embodiments are exemplary and are intended to explain the embodiments of the present invention, but should not be understood as limiting the present invention.
[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, 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 cannot be understood as a limitation on the present invention.
[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.
[0023] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.
[0024] In one embodiment of the present invention, Figure 1-4 As shown, a dual-unit driver module of headphones is provided, including a plastic bracket 1 and a tuning net 10, a ring magnet A2 is fixedly installed on the surface of the plastic bracket 1, a woofer voice coil 5 is arranged inside the plastic bracket 1, a woofer diaphragm 3 is arranged on the surface of the woofer voice coil 5, a magnet B4 is fixedly installed inside the plastic bracket 1, a copper ring 6 is fixedly installed on the surface of the plastic bracket 1, a magnetic steel A7 is fixedly installed on the surface of the plastic bracket 1, a magnetic steel B9 is fixedly installed on the surface of the plastic bracket 1, a mid-high frequency unit diaphragm 8 is arranged on the surface of the tuning net 10, and a circuit board 11 is arranged on the surface of the tuning net 10.
[0025] The dual-unit driver module of the earphone of the embodiment of the present invention adopts a dual-magnetic circuit structure design composed of internal and external dual magnets, and a positive and negative design of tweeter and woofer speaker units, plus carefully adjusted speaker front cavity, rear cavity and inverted tube to form a module. The common magnetic dual-unit driver reduces the thickness problem of conventional dual-unit speakers. The woofer unit adopts a modified composite material diaphragm with high flexibility and good compliance, and a high-tension copper wire voice coil to form a vibration system; the mid-high frequency speaker unit adopts a diaphragm of a material with light weight, strong rigidity and large internal resistance, and a high-tension copper-clad aluminum alloy wire voice coil to form a vibration system; coupled with carefully modulated front and rear cavity modules, the bass is naturally deep, the mid-range is delicate and full, and the treble is soft and bright; the inverted tube design can make full use of the energy before and after the woofer diaphragm 3, and the low frequency is stronger and thicker. The modular design of the speaker plus front and rear cavities can be used in different models, reducing the acoustic development and debugging time.
[0026] In another embodiment, Figure 1-4 As shown, a mid-high frequency unit cover 14 is fixedly mounted on the surface of the plastic bracket 1. Specifically, the mid-high frequency unit cover 14 plays an effect of protecting the mid-high frequency unit diaphragm 8.
[0027] In another embodiment, Figure 1-4 As shown, the surface of the plastic bracket 1 is provided with a woofer rear cavity 13. Specifically, the design of the woofer rear cavity 13 makes the bass natural and deep, the midrange delicate and full, and the treble soft and bright.
[0028] In another embodiment, Figure 1-4 As shown, the surface of the plastic bracket 1 is provided with a bass reflex port 12. Specifically, the design of the bass reflex port 12 makes full use of the energy before and after the bass unit diaphragm 3, making the low frequency more powerful and rich.
[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A dual-unit driver module for headphones, comprising a plastic support (1) and a tuning net (10), characterized in that: A ring magnet A (2) is fixedly mounted on the surface of the plastic bracket (1), a bass unit voice coil (5) is arranged inside the plastic bracket (1), a bass unit diaphragm (3) is arranged on the surface of the bass unit voice coil (5), a magnet B (4) is fixedly mounted inside the plastic bracket (1), a copper ring (6) is fixedly mounted on the surface of the plastic bracket (1), a magnetic steel A (7) is fixedly mounted on the surface of the plastic bracket (1), a magnetic steel B (9) is fixedly mounted on the surface of the plastic bracket (1), a mid-high frequency unit diaphragm (8) is arranged on the surface of the plastic bracket (1), and a circuit board (11) is arranged on the surface of the tuning net (10).
2. The dual-unit driver module for headphones according to claim 1, wherein: A mid-high frequency unit protective cover (14) is fixedly mounted on the surface of the plastic bracket (1).
3. The dual-unit driver module for headphones according to claim 1, wherein: A bass unit rear cavity (13) is provided on the surface of the plastic bracket (1).
4. The dual-unit driver module for headphones according to claim 1, wherein: A bass reflex hole (12) is provided on the surface of the plastic bracket (1).