Bone conduction vibrator for composite vibration transmission

Abstract

The utility model provides a bone conduction vibrator for composite vibration transmission, which comprises a vibrator magnetic circuit system, a main vibration system and a direct vibration system which are arranged in a middle shell, and the upper end and the lower end of the middle shell are respectively connected with an upper shell and a lower shell; the loudspeaker is characterized in that the magnetic circuit system is composed of a voice coil, a washer, a magnet and a magnetic circuit U cup; the main vibration system is composed of an elastic sheet and the magnetic circuit system. The direct vibration system is composed of an elastic needle and a conduction sheet. According to the utility model, through a composite vibration transmission system formed by the upper housing and the conduction sheet, the problems of high-frequency attenuation generated by overlong paths of a conventional vibrator through an elastic sheet, a housing and the like and low-frequency perception under medium and small volumes are effectively solved; through the composite vibration transmission system, on one hand, low, medium and high full-band audio signal bone conduction effective output is effectively realized, on the other hand, bone conduction signal transmission can be enhanced under medium and small sound volumes, and the overall sound quality effect is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bone conduction vibrator, more specifically, particularly relate to a kind of composite vibration transmission's bone conduction vibrator. BACKGROUND

[0002] The vibrator system of existing bone conduction vibrator is usually controlled by elastic sheet structure to control vibration block (such as Figure 1 As shown), vibration generated by audio signal is transmitted to middle shell 2 by elastic sheet 8, and then to upper shell 1, and upper shell 1 is a mounting surface, and vibration perception of bone conduction earphone is realized through upper shell 1, and the transmission path is very long, and it is only suitable for signals with medium-low frequency and large vibration amplitude, and the vibration under high frequency and small volume is attenuated seriously due to long transmission path, that is, the frequency range generated by bone conduction vibrator is relatively narrow, and high frequency is missing, which cannot meet the requirements of high-quality sound quality such as Hi-RES, and the loss of medium-low sound under small volume is also large, so that consumers cannot experience strong and powerful dynamic bass under medium and small volume. Therefore, in view of the above, the existing structure and loss are improved, and a kind of composite vibration transmission's bone conduction vibrator is provided, so as to achieve the purpose of more practical value. UTILITARY MODEL

[0003] In order to solve the above technical problems, the utility model provides a kind of composite vibration transmission's bone conduction vibrator, which is realized by the following specific technical means:

[0004] A kind of composite vibration transmission's bone conduction vibrator, comprising vibrator magnetic circuit system, main vibration system and direct vibration system installed in middle shell, the upper and lower ends of the middle shell are connected with upper shell and lower shell respectively, characterized in that: the magnetic circuit system is composed of voice coil, Hua Si, magnet and magnetic circuit U cup;The main vibration system is composed of elastic sheet and the magnetic circuit system;The direct vibration system is composed of elastic needle and transmission sheet.

[0005] Further, voice coil is installed on the top side of lower shell, Hua Si is installed in the inside of voice coil, and the top of Hua Si is connected with magnet.

[0006] Further, magnetic circuit U cup is sleeved on the top outside of voice coil, and magnet is arranged in the inside of magnetic circuit U cup.

[0007] Further, elastic sheet is sleeved on the outside of magnetic circuit U cup.

[0008] Further, elastic needle is installed at the top center of magnetic circuit U cup, and the top end of elastic needle is connected with the bottom end center of transmission sheet.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The utility model discloses a composite vibration transmission system of upper shell and conducting sheet, effectively solve the problem of high frequency attenuation and low frequency perception not strong under small volume produced by the long route of conventional vibrator through elastic sheet, shell etc., through the composite vibration transmission system, on one hand, effectively realize the low, middle, high full-band audio signal bone conduction effective output, on the other hand, can enhance its bone conduction signal transmission under small volume, greatly improve the overall sound quality effect. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the vibrator system profile schematic diagram of prior art bone conduction vibrator.

[0012] Figure 2 It is the bone conduction vibrator profile schematic diagram of the utility model composite vibration transmission.

[0013] Figure 3 It is the structure disassembly schematic diagram of the utility model.

[0014] Figure 4 It is the general assembly structure schematic diagram of the utility model.

[0015] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0016] 1, upper shell;2, middle shell;3, lower shell;4, voice coil;5, magnetor;6, magnet;7, magnetic circuit U cup;8, elastic sheet;9, elastic pin;10, conducting sheet. DETAILED DESCRIPTION

[0017] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0018] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" etc. are based on the orientation or position relation shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium.

[0020] Embodiments:

[0021] As shown in the accompanying Figure 2 to the accompanying Figure 4 As shown:

[0022] The utility model provides a kind of bone conduction vibrator of composite vibration transmission, including vibrator magnetic circuit system, main vibration system and direct vibration system installed in middle shell 2 inside, the upper and lower ends of the middle shell 2 are connected with upper shell 1 and lower shell 3 respectively;The magnetic circuit system is composed of voice coil 4, hua si 5, magnet 6 and magnetic circuit U cup 7;The main vibration system is composed of elastic sheet 8 and the magnetic circuit system;The direct vibration system is composed of elastic needle 9 and conduction sheet 10.

[0023] Among them, voice coil 4 is installed in the top side of lower shell 3, the hua si 5 is installed in the inside of voice coil 4, and the top of hua si 5 is connected with magnet 6.

[0024] Among them, magnetic circuit U cup 7 is sleeved in the top outside of voice coil 4, and magnet 6 is arranged in the inside of magnetic circuit U cup 7.

[0025] Among them, elastic sheet 8 is sleeved in the outside of magnetic circuit U cup 7.

[0026] Among them, elastic needle 9 is installed in the top end center of magnetic circuit U cup 7, and the top end of elastic needle 9 is connected with the bottom end center of conduction sheet 10.

[0027] The working principle of the embodiment is as follows: the vibrator magnetic circuit system composed of the voice coil 4, the dust shield 5, the magnet 6 and the magnetic circuit U cup 7 generates a magnetic field vibration response when the audio signal passes through the voice coil 4 and drives the elastic sheet 8 to vibrate; when the middle and low frequency audio signal is input, the main vibration system composed of the dust shield 5, the magnet 6, the magnetic circuit U cup 7 and the elastic sheet 8 vibrates first, and the direct vibration system composed of the elastic needle 9 and the conductive sheet 10 welded together on the magnetic circuit U cup 7 works together; in actual use, when the middle and low frequency vibration signal is transmitted, the double composite vibration source formed by the upper shell 1 and the direct vibration system can strengthen the vibration effect, so that the middle and low frequency vibration enhancement effect of the middle and small volume is realized; when the high frequency vibration signal is transmitted, the conductive sheet 10 can directly transmit the high frequency vibration signal to the human body through the shortest path, avoid the attenuation caused by the long transmission path of the upper shell 1, and improve the frequency response of the vibrator to the high frequency signal; when the signal with large amplitude is transmitted, the elastic needle 9 is stretched and compressed, the damping compression effect is achieved, the strong vibration feeling is not generated, the consumer is not uncomfortable, and the effect is enhanced.

[0028] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A bone conduction oscillator for composite vibration transmission, comprising an oscillator magnetic circuit system, a main vibration system, and a direct vibration system installed inside a middle outer shell (2), wherein an upper outer shell (1) and a lower outer shell (3) are respectively connected to the upper and lower ends of the middle outer shell (2); characterized in that: The magnetic circuit system consists of a voice coil (4), a washer (5), a magnet (6), and a magnetic circuit U-cup (7); the main vibration system consists of a spring sheet (8) and the magnetic circuit system; the direct vibration system consists of a spring needle (9) and a conductive sheet (10).

2. The bone conduction oscillator for composite vibration transmission as described in claim 1, characterized in that: The voice coil (4) is mounted on the top side of the lower housing (3), the washer (5) is mounted inside the voice coil (4), and the top of the washer (5) is connected to the magnet (6).

3. The bone conduction oscillator for composite vibration transmission as described in claim 1, characterized in that: The magnetic circuit U-cup (7) is fitted on the top outer side of the voice coil (4), and the magnet (6) is located inside the magnetic circuit U-cup (7).

4. The bone conduction oscillator for composite vibration transmission as described in claim 1, characterized in that: The spring (8) is fitted onto the outside of the magnetic circuit U cup (7).

5. The bone conduction oscillator for composite vibration transmission as described in claim 1, characterized in that: The spring needle (9) is installed at the top center of the magnetic circuit U cup (7), and the top of the spring needle (9) is connected to the bottom center of the conductive sheet (10).

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