Closed resonance type bone conduction vibrator

Abstract

The utility model relates to a closed resonance type bone conduction vibrator, which comprises a bone conduction vibrator main body and a positioning sheet, and is characterized in that the bone conduction vibrator main body comprises a basin frame, a wiring board arranged on one side of the basin frame, a closed part arranged in the basin frame, a coil arranged on one side of the wiring board and a washer sheet arranged in the basin frame; the sealing piece comprises an elastic piece installed in the installation groove, a fixing ring installed on one side of the elastic piece and a magnetic cover installed on the other side of the elastic piece, electric signals are led into the coil through the wiring board, the coil interacts with a magnet in the magnetic cover after being powered on, an alternating magnetic field is generated, vibration is driven, resonance is generated through the sealing cavity, and vibration signals are amplified. When electric signals with different frequencies are input into the coil, the magnetic field changes to drive the magnetic cover and the elastic piece to vibrate, vibration sound waves are generated, the sound is directly transmitted to the inner ear through the skull and bypasses the outer ear and the middle ear, bone conduction hearing is achieved, and a user is prevented from feeling ear pain when using earplugs or earphones.

Description

Technical Field

[0001] This utility model relates to the field of bone conduction transducer technology, and in particular to a closed resonant bone conduction transducer. Background Technology

[0002] Bone conduction transducers are devices that use vibrations to transmit sound. They transmit sound waves directly to the inner ear through a solid medium (such as the skull), bypassing the outer and middle ear. This technology is widely used in hearing aids, bone conduction headphones, medical devices, and industrial equipment.

[0003] A search revealed a bone conduction vibrator with publication number CN211128173U, comprising a cylindrical shell open at one end, with a vibrator assembly installed inside the cylindrical shell. A metal gasket and a silicone cap are installed at the open end of the cylindrical shell, with the metal gasket positioned inside and the silicone cap outside. The metal gasket has a through hole in its center. This bone conduction vibrator features a metal gasket and a silicone cap, where the metal gasket enhances the directionality of sound, and the silicone cap acts as a vibration-generating membrane for the user. This allows the mechanical energy of the vibration to be transmitted to the human body and then through the bones to the auditory center, enabling the user to hear better sound quality and improving the user experience.

[0004] The bone conduction vibrator in this patented technology suffers from sound leakage during use, affecting the clarity and intensity of the sound and thus impacting the performance of the bone conduction vibrator, resulting in low practicality. Utility Model Content

[0005] In response to the technical problem in existing patents that sound leakage occurs during the use of bone conduction vibrators, affecting the clarity and intensity of the sound and thus impacting the working performance of the bone conduction vibrator and resulting in low practicality, this utility model provides a closed resonant bone conduction vibrator.

[0006] The technical solution adopted in this utility model is: a closed resonant bone conduction transducer, comprising:

[0007] The bone conduction transducer body includes a basin frame, a terminal block installed on one side of the basin frame, a sealing component installed inside the basin frame, a coil installed on one side of the terminal block, and a washer installed inside the basin frame.

[0008] A positioning plate is fixedly sleeved on the outside of the basin frame and is used to position and install the bone conduction transducer body.

[0009] Furthermore, the basin frame has an internal mounting groove, and the closure includes a spring piece installed inside the mounting groove, a fixing ring installed on one side of the spring piece, and a magnetic cover installed on the other side of the spring piece.

[0010] Further, the magnet cover is internally provided with a magnet.

[0011] Further, the closing member is injection molded on the basin frame, the magnet cover and the coil cooperate to form a closed cavity, and the dust core plate is arranged inside the closed cavity.

[0012] Further, the wiring board is provided with a wire slot on one side, and the coil is arranged inside the wire slot.

[0013] The utility model discloses the beneficial effects are:

[0014] The coil is connected with the electric signal through the wiring board, and the magnet in the magnet cover interacts after electrification, generates the alternating magnetic field, drives the vibration, and produces the resonance through the closed cavity, amplifies the vibration signal, improves the definition and intensity of the sound, when the coil is connected with the electric signal of different frequency, the magnetic field change drives the magnet cover and the elastic sheet vibration, produces the vibration sound wave, and the sound is directly transmitted to the inner ear through the skull, bypasses the outer ear and the middle ear, realizes the bone conduction hearing, avoids the user to feel the ear pain or the discomfort when using the earplug or earphone, and each component is firmly fixed through the injection molding process, and the product durability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model split;

[0016] Figure 2 It is the three-dimensional structure schematic diagram of the bone conduction vibrator main body split in the utility model;

[0017] Figure 3 It is the cross section three-dimensional structure schematic diagram of the bone conduction vibrator main body in the utility model;

[0018] Figure 4 It is the cross section structure schematic diagram of the bone conduction vibrator main body in the utility model.

[0019] Marked as in the drawing:

[0020] 1, bone conduction vibrator main body;101, basin frame;102, wiring board;103, closing member;104, coil;105, dust core plate;

[0021] 2, positioning sheet;

[0022] 3, installation groove;4, elastic sheet;5, fixed ring;6, magnet cover;7, wire slot. DETAILED DESCRIPTION

[0023] In the description of the utility model, it needs to explain, the term "front", "upper", "lower", "left", "right", "vertical", "horizontal" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.

[0024] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "connection", "connect" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected, can be direct connection, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to the specific circumstances.

[0025] The utility model is described below with the accompanying drawings Figures 1-4 The utility model is further described.

[0026] In order to solve the problems in the background art, the present application proposes the following technical scheme:

[0027] A closed resonance type bone conduction vibrator, comprising: a bone conduction vibrator main body 1 and a positioning sheet 2;

[0028] The bone conduction vibrator main body 1 comprises a basin frame 101, a wiring board 102 arranged on one side of the basin frame 101, a closing piece 103 arranged inside the basin frame 101, a coil 104 arranged on one side of the wiring board 102, and a mu-metal sheet 105 arranged inside the basin frame 101;

[0029] The overall frame is formed by the basin frame 101, providing support and protection, ensuring the fixation and stability of the internal components;

[0030] The positioning sheet 2 is fixedly sleeved outside the basin frame 101, and the positioning sheet 2 is used for positioning and installing the bone conduction vibrator main body 1.

[0031] Further, the basin frame 101 is internally provided with a mounting groove 3, the closing piece 103 comprises a spring piece 4 arranged inside the mounting groove 3, a fixing ring 5 arranged on one side of the spring piece 4, and a magnetic cover 6 arranged on the other side of the spring piece 4, the fixing ring 5 functions to fix and support, allowing the vibrating spring piece 4 to vibrate freely to generate larger amplitude sound waves.

[0032] Further, the magnetic cover 6 is internally provided with a magnet, which cooperates with the coil 104 to generate vibration through the change of magnetic field.

[0033] Further, the closure 103 is injection molded on the basin frame 101, the magnetic cover 6 and the coil 104 cooperate to form a closed cavity, the magnetoronic tile 105 is installed inside the closed cavity, the magnetoronic tile 105 can reduce the influence of the vibration generated by the vibrator during the working process on other components, and prevent excessive vibration from being transmitted to the main structure of the product.

[0034] Further, the wiring board 102 is provided with a wire slot 7 on one side, and the coil 104 is installed inside the wire slot 7. The coil 104 generates an alternating electromagnetic field under the action of an electric signal, and interacts with the magnet in the magnetic cover 6.

[0035] Working principle: when in use, the coil 104 is connected to the electric signal through the wiring board 102, and interacts with the magnet in the magnetic cover 6 after being electrified to generate an alternating magnetic field, drive vibration, generate resonance through the closed cavity, amplify the vibration signal, and improve the clarity and intensity of the sound. When the coil 104 is connected to an electric signal of different frequency, the magnetic field changes to drive the magnetic cover 6 and the elastic sheet 4 to vibrate, generate vibration sound waves, and the sound is directly transmitted to the inner ear through the skull, bypassing the outer ear and the middle ear, realizing bone conduction hearing, avoiding the user from feeling ear pain or discomfort when using earplugs or earphones, firmly fixing each component through the injection molding process, improving the durability of the product, and conveniently installing the bone conduction vibrator main body 1 in the position or device inside through the positioning sheet 2.

[0036] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0037] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A closed resonant bone conduction transducer, characterized in that, Include: The bone conduction vibrator main body (1) includes a basin frame (101), a wiring board (102) installed on one side of the basin frame (101), a closure (103) installed inside the basin frame (101), a coil (104) installed on one side of the wiring board (102), and a mu metal sheet (105) installed inside the basin frame (101); The positioning sheet (2) is fixedly sleeved outside the basin frame (101), and the positioning sheet (2) is used for positioning the installation of the bone conduction vibrator main body (1).

2. The closed resonator bone conduction vibrator according to claim 1, wherein The basin frame (101) is internally provided with a mounting groove (3), and the closure (103) includes a spring sheet (4) installed inside the mounting groove (3), a fixing ring (5) installed on one side of the spring sheet (4), and a magnetic cover (6) installed on the other side of the spring sheet (4).

3. A closed resonator bone conduction vibrator according to claim 2, wherein The magnetic cover (6) is internally provided with a magnet.

4. The closed resonator bone conduction vibrator according to claim 3, wherein The closure (103) is injection molded on the basin frame (101), the magnetic cover (6) cooperates with the coil (104) to form a closed cavity, and the mu metal sheet (105) is installed inside the closed cavity.

5. The closed resonator bone conduction vibrator according to claim 1, wherein One side of the wiring board (102) is provided with a wire groove (7), and the coil (104) is installed inside the wire groove (7).

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