CN219107621U - Multipurpose bone conduction module - Google Patents

Abstract

The present utility model relates to a multipurpose bone conduction module. The module is provided with a shell, the shell encloses a closed inner cavity, a built-in power supply, a circuit board, a wireless charging receiving coil, an LED lamp bead and a bone conduction vibrator are arranged in the inner cavity of the shell, the circuit board is respectively and electrically connected with the built-in power supply, the wireless charging receiving coil, the LED lamp bead and the bone conduction vibrator, a wireless communication module is arranged on the circuit board and is used for being connected to an external sound source in a wireless mode; the casing is equipped with first wall, and the inboard of first wall is laminated with the bone conduction oscillator, and first wall outside is used for laminating to fix on the external object surface of non-human body and transmits the vibration that the bone conduction oscillator produced to the external object. The utility model can realize bone conduction sounding under the scene without a loudspeaker originally, enlarges the applicable scene of bone conduction, meets the requirements of users and increases the use functions of products.

Description

Multipurpose bone conduction module

Technical Field

The utility model relates to a bone conduction technology, in particular to a multipurpose bone conduction module.

Background

Bone conduction is a technique for achieving sound transmission by transmitting vibration to bones at corresponding positions of the human body. The key component of bone conduction is a bone conduction vibrator, and the vibrator mainly converts received electric signals into vibration, and the vibration acts in human bones to realize sound transmission. Most of bone conduction wireless headphones adopting bone conduction technology are commonly used in the market, and the structure is generally that electronic components such as a battery, bone conduction vibrators, a circuit board and the like are respectively arranged at two ends of a head ring, when the headphone is worn on the head, the vibrators are attached to bones around ears, and vibration of the vibrators is transmitted to the bones and then transmitted into eardrums. However, it is uncomfortable for the user wearing the helmet to wear the helmet after wearing the bone conduction headset. In order to solve the problem, helmets with bone conduction function are also appeared on the market, but users need to purchase the whole new helmets to use the bone conduction function, so that the consumption cost of the users is increased, and the traditional helmets without bone conduction vibrators still cannot use the bone conduction function. An individual bone conduction module is to be developed to expand the applicable scenarios of bone conduction.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a multipurpose bone conduction module so as to enlarge the applicable scene of bone conduction.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the multipurpose bone conduction module is provided with a shell, wherein the shell encloses an inner cavity, a built-in power supply, a circuit board and a bone conduction vibrator are arranged in the inner cavity of the shell, the circuit board is respectively and electrically connected with the built-in power supply and the bone conduction vibrator, a wireless communication module is arranged on the circuit board, and the wireless communication module is used for being connected to an external sound source in a wireless mode; the casing is equipped with first wall, and the inboard of first wall is laminated with the bone conduction oscillator, and first wall outside is used for laminating to fix on the external object surface of non-human body and transmits the vibration that the bone conduction oscillator produced to the external object.

Further, a receiving coil for wireless charging is further arranged in the inner cavity of the shell, the receiving coil is electrically connected with the circuit board, and the receiving coil is used for receiving electromagnetic waves transmitted by an external wireless charging transmitter so as to charge the built-in power supply. And a magnet is arranged in the middle or around the outer periphery of the receiving coil and is used for forming magnetic attraction with a corresponding magnet of the external wireless charging transmitter.

Further, the receiving coil is attached to the magnetism isolating sheet. The receiving coil and the magnetism isolating sheet are arranged on one side of the built-in power supply, and the circuit board and the bone conduction vibrator are arranged on the other side of the built-in power supply.

Further, the inner cavity is a completely closed inner cavity, and no hole is formed in the shell and is communicated with the inner cavity.

Further, the shell is divided into an upper cover and a lower cover, and the upper cover is covered on the lower cover and encloses an inner cavity.

Further, the circuit board is also provided with LED lamp beads for warning, and the shell is a light-permeable shell.

Further, the built-in power supply is a lithium battery.

Further, the bone conduction module is fixed on the surface of the non-human foreign object in an adhesive/binding band/magnetic attraction mode.

Compared with the prior art, the utility model has the beneficial effects that: (1) Through put into built-in power, circuit board and bone conduction oscillator in confined inner chamber, the wireless communication module of circuit board can wireless reception want the audio frequency of broadcast, and first wall can be fixed the laminating on the foreign object, and bone conduction oscillator's vibration passes through first wall vibration transmission to the foreign object. If the foreign object is a helmet or the like, when the helmet is worn on the head of a person, vibration is transmitted to the skull to realize bone conduction sounding, so that the traditional helmet without bone conduction function can also realize bone conduction sounding. If the foreign object is a sheet or the like, the vibration may directly form a sound on the sheet, e.g. the bone conduction module is glued to a glass mirror/vanity/desk bottom/ceiling/wooden wall/picture frame, etc. Through the bone conduction module, bone conduction sounding can be realized under the scene without a loudspeaker originally, the bone conduction applicable scene is enlarged, the user requirements are met, and the use functions of the product are also increased.

(2) The wireless charging is carried out through built-in receiving coil, the shell is not provided with holes and is completely closed, the holes are not required to be reserved for plugging by a plug, on one hand, the integrity of the product is improved, the appearance effect is improved, on the other hand, the sealing waterproof performance of the product is improved, the module can also work underwater, and when the module is attached to a helmet, the module can be continuously and stably used even if the module encounters rainy and snowy weather.

(3) The bone conduction module provided by the utility model is also provided with the warning LED lamp beads, so that the safety of riding at night can be improved when the bone conduction module is attached to a helmet for use. And the control mode of the bone conduction module can be one or more of wireless remote control/touch switch control/button switch control/gravity acceleration sensor control.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is an exploded view of a bone conduction module according to the present utility model.

Fig. 2 is a cross-sectional view of a bone conduction module according to the present utility model.

Fig. 3 is an exploded view of a bone conduction module according to the present utility model.

Fig. 4 is an exploded view of a wireless charging transmitter.

Fig. 5 is an exploded view of a bone conduction module according to another embodiment of the present utility model.

Fig. 6 is a schematic view of a situation that the bone conduction module of the present utility model is attached to a helmet.

Fig. 7 is a schematic view of a scenario in which a bone conduction module according to the present utility model is attached to a desktop.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

An embodiment of the utility model is a bone conduction module, and the specific structure of the bone conduction module is shown in fig. 1-3.

As shown in fig. 1 and 2, bone conduction module 90 is provided with a housing 10, housing 10 enclosing an interior cavity 100. Specifically, the housing 10 is divided into an upper cover 11 and a lower cover 12, and the upper cover 11 is covered on the lower cover 12 and encloses an inner cavity 100. Specifically, the lower cover 12 is provided with an upper opening 120, the upper cover 11 is fixed at the upper opening 120 of the lower cover 12, and the upper opening 120 is sealed by the upper cover 11. The upper cover 11 and the upper opening 120 can be fixed and sealed by sealant or ultrasonic welding. The upper cover 11 and the lower cover 12 enclose a completely closed cavity 100 therebetween, which can accommodate all of the electronic components of the bone conduction module 90. In the embodiment, the inner cavity 100 is a completely closed inner cavity, no hole is formed in the shell 10 and is communicated with the inner cavity 100, so that sealing and waterproofing are easy to realize, and the bone conduction module 90 is suitable for underwater operation.

The housing 10 shown in fig. 1 and 2 is only one of the structural ways. Fig. 5 shows a structural configuration of the housing 10 according to another embodiment. As shown in fig. 5, in other embodiments, the housing 10 is divided into an upper cover 11 and a lower cover 12, and the upper cover 11 and the lower cover 12 are vertically symmetrical with respect to a horizontal middle plane. The upper cover 11 is provided with a lower flange 111 facing the lower cover 12, and the lower cover 12 is provided with a ring groove 123 facing the opening edge of the upper cover 11, when the upper cover 11 is covered on the lower cover 12, the lower flange 11 is inserted into the ring groove 123 to form fixation.

As shown in fig. 1 and 2, a built-in power supply 31, a circuit board 33, and a bone conduction transducer 32 are provided in an inner cavity 100 of the case 10. The circuit board 33 is electrically connected to the built-in power supply 31 and the bone conduction vibrator 32, respectively, and the built-in power supply 31 supplies power to the whole bone conduction module 90. The internal power source 31 may employ a lithium battery. The circuit board 33 is provided with a wireless communication module 331, and the wireless communication module 331 is used for being wirelessly connected to an external sound source to receive audio to be played or receive control instructions. The wireless communication module 331 is preferably a bluetooth module with better universality, and the external sound source can be a smart device such as a smart phone, a tablet computer and the like which can emit bluetooth signals. The external sound source transmits audio to the wireless communication module 331 through wireless signals, the wireless communication module 331 receives the audio and transmits the audio to the bone conduction vibrator 32 to form vibration after the audio is amplified by the circuit board 33, and the specific principle of the external sound source is the same as that of a common bone conduction wireless earphone. The wireless communication module 331 may also receive control instructions from smart devices such as smart phones, tablet computers, etc., for example, start-up, standby, play/pause, etc.

Bone conduction module 90 may be secured to the surface of the non-human foreign object by means of adhesive/binding/magnetic attraction. In some embodiments, as shown in fig. 1 and 2, the housing 10 is provided with a first wall 121, and the first wall 121 is a bottom wall of the lower cover 12. The inner side of the first wall 121 is attached to the bone conduction vibrator 32, and the outer side of the first wall 121 is used for being attached and fixed on the surface of a non-human external object through adhesive and transmitting vibration generated by the bone conduction vibrator 32 to the external object. The first wall 121 is a flat surface, and some surfaces of the external objects are not flat, such as the surface of the helmet is a flat cambered surface, so that strong adhesive with a thicker thickness can be attached to the outer side of the first wall 121 to realize adhesive fixation between the flat surface and the cambered surface, for example, transparent strong double faced adhesive tape with a thickness of 2mm can be adopted. In other embodiments, a magnet may be fixed to the inner side of the first wall 121, and the bone conduction module 90 may be directly fixed to the surface of the external object of ferromagnetic metal (e.g., metallic iron) by the magnet. In other embodiments, the bone conduction module 90 may be further bound to the surface of the external object by using a binding band, for example, the bone conduction module 90 is attached to the helmet, and the bone conduction module 90 and the helmet are bound by using an elastic binding band to fix the bone conduction module 90 on the helmet.

As shown in fig. 1, a side wall of one side of the lower cover 12 of the housing 10 is a second wall 122, a touch area may be set on the outer side of the second wall 122, and a touch sensing key (not shown) is disposed on the inner side of the second wall 122, and the touch sensing key is electrically connected to the circuit board 33, so as to implement operations such as playing, suspending, turning on/off, answering, hanging up, and the like. The principle of realizing function switching/control by touching the sensing keys and the specific circuit are conventional techniques, and are not described herein. In other embodiments, the second wall 122 may be made thinner, and a physical key may be disposed on the inner side of the second wall 122, and the second wall 122 may be deformed to press the physical key on the inner side when in use. In other embodiments, the gravitational acceleration sensor may be used to switch, for example, when the gravitational acceleration sensor determines that there is a change in gravitational acceleration, indicating that bone conduction module 90 is turned on during use.

In some embodiments, as shown in fig. 1 and 2, a receiving coil 21 for wireless charging is also provided in the inner cavity 100 of the housing 10. The receiving coil 21 is electrically connected to the circuit board 33, and the receiving coil 21 is used for receiving electromagnetic waves transmitted from an external wireless charging transmitter to charge the built-in power supply 31. The receiving coil 21 is provided on the inward side of the upper cover 11. The specific principle and specific circuit for wireless charging of the built-in power supply 31 by the receiving coil 21 are conventional techniques, and will not be described here again. The built-in receiving coil 21 is used for wireless charging, the shell 10 is completely closed, and the upper cover 11 and the lower cover 12 do not need to be reserved with holes for plug connection, so that on one hand, the integrity of the bone conduction module 90 is improved, the appearance effect is improved, and on the other hand, the waterproof performance of the bone conduction module 90 is improved. When used in a real-world scenario, the bone conduction module 90 may be continuously and stably used even when it encounters a snowy/rainy weather/underwater environment.

In some embodiments, as shown in fig. 1 and 2, a magnet 22 is disposed in the middle of the receiving coil 21, and the magnet 22 is used to form magnetic attraction with a corresponding magnet of the external wireless charging transmitter. The structure of the external wireless charging transmitter is shown in fig. 4, a transmitting coil 82 is arranged below an upper cover 81 of the transmitter 80, a bar magnet 83 is arranged in the middle of the transmitting coil 82, when charging is performed, a USB Type-C interface 84 of the transmitter 80 is inserted into a power line plug, then the upper cover 81 of the transmitter 80 is aligned to the upper cover 11 close to the bone conduction module 90, and magnetic attraction force is generated when the bar magnet 83 is close to the magnet 22, so that the transmitter 80 can be adsorbed and fixed on the upper cover 11 of the bone conduction module 90 and the transmitting coil 82 and the receiving coil 21 can be automatically aligned.

In other embodiments, magnets may be provided around the outer periphery of the receiving coil.

In some embodiments, as shown in fig. 1 and 2, the receiving coil 21 is attached to the magnetism isolating sheet 23. The receiving coil 21 and the magnetism isolating sheet 23 are provided on one side of the internal power source 31, and the circuit board 33 and the bone conduction vibrator 32 are provided on the other side of the internal power source 31.

In some embodiments, as shown in fig. 3, the circuit board 33 is further provided with an LED lamp bead 332, and the housing 10 is made of a light-permeable material. When the bone conduction module 90 is attached to the helmet, the user wears the helmet to ride at night, and the light emitted by the LED lamp beads 332 can play a role in warning, so that the safety coefficient is improved. The wireless communication module 331 can also receive control instructions for the LED lamp beads 332 from smart devices such as smart phones, tablet computers, etc., such as adjusting brightness, changing color, generating SOS light effect, adjusting blinking pattern, etc.

Fig. 6 illustrates a scenario in which the bone conduction module 90 of the present utility model is used on a helmet 70. As shown in fig. 6, the bone conduction module 90 is adhesively fixed to the brim 71 of the helmet 70, the upper cover 11 of the bone conduction module 90 faces upward, the vibration generated by the bone conduction module 90 is transmitted to the helmet 70, and when the user wears the helmet 70, the vibration of the helmet 70 is transmitted to the skull to realize bone conduction sounding, so that the conventional helmet 70 without bone conduction can also realize bone conduction sounding.

Fig. 7 illustrates a scenario in which the bone conduction module 90 of the present utility model is used on a table 60. As shown in fig. 7, the bone conduction module 90 is adhesively fixed on the table 60, the upper cover 11 of the bone conduction module 90 faces upward, the vibration generated by the bone conduction module 90 is transmitted to the table 60, and the thickness of the table 60 is not large, so that the vibration is transmitted to the table 60 to directly generate sound. In addition, the bone conduction module 90 of the present utility model can also be attached to other sheets to achieve direct bone conduction sounding, such as wall cupboards, thin ceilings, thin wood boards, glass mirrors/vanity/picture frames, etc.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. The multipurpose bone conduction module is characterized by comprising a shell, wherein the shell encloses an inner cavity, a built-in power supply, a circuit board and a bone conduction vibrator are arranged in the inner cavity of the shell, the circuit board is respectively and electrically connected with the built-in power supply and the bone conduction vibrator, a wireless communication module is arranged on the circuit board, and the wireless communication module is used for being connected to an external sound source in a wireless mode; the shell is provided with a first wall body, the inner side of the first wall body is attached to the bone conduction vibrator, and the outer side of the first wall body is used for being attached to and fixed on the surface of a non-human foreign object and transmitting vibration generated by the bone conduction vibrator to the foreign object.

2. The multi-purpose bone conduction module according to claim 1, wherein the circuit board is further provided with an LED light bead for warning, and the housing is a light-permeable housing.

3. The multipurpose bone conduction module according to claim 1, wherein a receiving coil for wireless charging is further provided in an inner cavity of the housing, the receiving coil is electrically connected with the circuit board, and the receiving coil is used for receiving electromagnetic waves transmitted from an external wireless charging transmitter to charge the built-in power supply.

4. The multipurpose bone conduction module of claim 3 wherein a magnet is provided in the middle or around the outer periphery of said receiving coil for forming a magnetic attraction with a corresponding magnet of an external wireless charging transmitter.

5. The multipurpose bone conduction module of claim 3 wherein said receiving coil is provided on one side of said internal power source and said circuit board and bone conduction vibrator are provided on the other side of said internal power source.

6. The multipurpose bone conduction module of claim 1 wherein said cavity is a fully enclosed cavity and said housing is not open to communicate with said cavity.

7. The multipurpose bone conduction module according to claim 1 or 6, wherein said housing is divided into an upper cover and a lower cover, said upper cover being covered on said lower cover and enclosing said cavity.

8. The multipurpose bone conduction module of claim 7 wherein said first wall is a bottom wall of said lower cover.

9. The multipurpose bone conduction module of any one of claims 1 to 6 wherein said internal power source is a lithium battery.

10. The multipurpose bone conduction module according to any one of claims 1 to 6, wherein said bone conduction module is fixed to a non-human foreign object surface by means of gluing/binding/magnetic attraction.

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