Single-ear headphone

Abstract

The utility model discloses a single-ear headphone, which relates to the technical field of headphones, and comprises a headband group, a receiver, a bone conduction transmitter and a PTT control box, the receiver is arranged at one end of the headband group, the bone conduction transmitter is arranged at the other end of the headband group, and the PTT control box is arranged at the other end of the headband group. The receiver comprises a profiling shell, an earphone loudspeaker arranged in the profiling shell and a foam assembly fixedly connected to one side of the profiling shell, the foam assembly is suitable for containing human ears, and the receiver is used for converting electric signals in language communication into sound signals; the bone conduction telephone transmitter is connected to the telephone receiver, and the bone conduction telephone transmitter is suitable for being close to a voice emitting part of a human body so as to be used for converting a sound signal in voice communication into an electric signal; and the PTT control box is connected to the telephone receiver, and the PTT control box is electrically connected with the bone conduction telephone transmitter. The earphone also has the functions of environmental sound interception, active noise reduction, volume adjustment and the like under the condition of ensuring comfortable wearing.

Description

Technical Field

[0001] This utility model relates to the field of headphone technology, and more specifically, to a single-ear over-ear headphone. Background Technology

[0002] Among various types of headphones, over-ear headphones have become the preferred headphone type due to their comfortable fit and excellent sound quality.

[0003] See patent application CN110881151A, which describes a common type of binaural headphones in the prior art. These headphones include a headband with an earpiece connected to each end. When worn, the user can hear speech or music through both earpieces. However, such binaural headphones are not suitable for workers who need to hear both audio and ambient sounds, such as customer service representatives and call center operators.

[0004] See patent application CN302054019S, which discloses a single-ear headset. The single-ear headset includes a headband, one end of which is connected to an earphone device, and the other end of which is connected to a headband. After wearing the single-ear headset, one ear can hear voice or music through the earphone device, while the other ear can hear ambient sounds, which can meet the needs of customer service staff, call center operators and other staff.

[0005] However, this type of single-ear headset is not suitable for general entertainment use because ordinary users cannot simultaneously listen to voice or music through both ears. Furthermore, another drawback of the single-ear headset shown in this patent is that the position between the headband and the headrest cannot be adjusted, making it difficult to accommodate users with various head shapes. Utility Model Content

[0006] In view of this, the purpose of this utility model is to provide a single-ear over-ear headphone to solve the technical problems of existing single-ear over-ear headphones that do not have active noise cancellation, ambient sound detection and volume adjustment functions.

[0007] To achieve the above objectives, this utility model provides a single-ear over-ear headphone, the single-ear over-ear headphone comprising:

[0008] Headband assembly;

[0009] A receiver is disposed at one end of the headband assembly. The receiver includes a contoured housing, an earphone speaker disposed within the contoured housing, and a foam assembly fixedly connected to one side of the contoured housing. The foam assembly is adapted to accommodate a human ear so that the receiver can convert electrical signals in speech communication into sound signals.

[0010] A bone conduction microphone is connected to the receiver and is adapted to be positioned close to a human speech emitting part for converting acoustic signals in a language communication into electric signals;

[0011] A PTT control box is connected to the receiver and is electrically connected to the bone conduction microphone.

[0012] Preferably, the headband set comprises a forehead band, a crown band and a nape band, one end of the forehead band is fixedly connected to one end of the nape band, the other end of the forehead band is adjustably connected to a top side wall of the profiled shell through a first connecting support, the other end of the nape band is adjustably connected to a rear side wall of the profiled shell through a second connecting support, one end of the crown band is fixedly connected to the fixed connection of the forehead band and the nape band, and the other end of the crown band is locked to the first connecting support.

[0013] Preferably, the profiled shell comprises a cover with an opening arranged towards a human ear side and a cover plate, the cover plate is adapted to be sealingly connected to the opening of the cover, an internal space with the earphone speaker is formed between the cover and the cover plate, and the foam assembly is connected to the outer periphery of the side of the cover plate away from the cover.

[0014] Preferably, the receiver further comprises a feedback microphone embedded in the cover plate, the feedback microphone is located in the interior of the foam assembly and is in communication with the earphone speaker, so that the feedback microphone collects the sound in the space inside the human ear with the headset and transmits it to the PTT control box through the earphone speaker.

[0015] Preferably, the receiver further comprises an environmental microphone embedded in the side wall of the cover, and the environmental microphone is electrically connected to the PTT control box.

[0016] Preferably, the PTT control box comprises a control box body, a PCB board arranged in the control box body, a PTT button, a power button, a listening button, a noise reduction button, a volume control button and an external audio plug electrically connected to the PCB board respectively, the power button, the listening button and the noise reduction button are embedded in one side surface of the control box body, the PTT button, the PTT button and the volume control button are embedded in the other side surface of the control box body, and the external audio plug passes through a cable to the outside of the control box body.

[0017] Preferably, the bone conduction transmitter comprises a shell, a first side cover, a second side cover and a bone conduction assembly, the shell is provided with a first opening and a second opening on opposite sides of the preauricular buccal part respectively, and the first side cover and the second side cover are adapted to cover the first opening and the second opening respectively, the first side cover is provided with a grating hole, the second side cover is provided with a heat dissipation hole, and the bone conduction assembly is fixedly installed in the shell and electrically connected with the PCB board through a wire.

[0018] Preferably, the foam assembly comprises a skin-friendly material, a sheath material and a filling material from outside to inside.

[0019] Preferably, the volume control key comprises a volume + key and a volume - key.

[0020] Preferably, the PTT control box is further provided with a battery module electrically connected with the PCB board.

[0021] Compared with the prior art, the utility model has the advantages and effects that:

[0022] The single-ear headset in the utility model is composed of a headband group, a receiver, a bone conduction transmitter and a PTT control box, wherein the headband group is connected through an adjustable connection, ensures that the headset is stably worn on the head of a user, can also disperse the weight of the headset and improves the comfort of long-time wearing; the receiver is arranged at one end of the headband group and is adapted to accommodate a human ear, is used for converting electrical signals into sound signals, and is composed of a profiling shell, a headset speaker and a foam assembly; the headset speaker is arranged in the profiling shell, and the foam assembly is fixedly connected to one side of the profiling shell; the foam assembly is adapted to accommodate a human ear, so that the headset speaker in the receiver converts electrical signals into sound signals, which are transmitted to the ear of the user through the foam assembly, improving the transmission efficiency and sound quality of the sound; the bone conduction transmitter is connected to the receiver, is adapted to be close to the sound emitting part of the human body and converts sound signals into electrical signals; this bone conduction technology improves the intelligibility and noise reduction performance of voice communication; the PTT control box is connected to the receiver and is electrically connected with the bone conduction transmitter; the user performs one-key communication through the PTT control box, presses the PTT key to send voice and releases the key to stop sending; this design improves the convenience of communication. Thus, the receiver helps to improve the sound quality, and the cooperation of the profiling shell and the foam assembly provides better sound isolation and transmission effect; the bone conduction technology of the bone conduction transmitter makes voice communication clearer, especially in a noisy environment, which can improve the recognition of voice; the PTT control box provides convenient one-key operation, the user can quickly communicate, improving the efficiency and response speed of communication; the design of the headband group not only disperses the weight of the headset but also improves the comfort of long-time wearing and reduces the wearing pressure. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic assembly structure diagram of the single-ear headset in the embodiment of the utility model;

[0024] Figure 2 It is a schematic assembly structure diagram of one direction of the receiver and the bone conduction microphone in the embodiment of the utility model;

[0025] Figure 3 It is a schematic assembly structure diagram of another direction of the receiver and the bone conduction microphone in the embodiment of the utility model;

[0026] Figure 4 It is a schematic assembly structure diagram of one direction of the single-ear headset in the embodiment of the utility model;

[0027] Figure 5 It is a schematic assembly structure diagram of another direction of the single-ear headset in the embodiment of the utility model;

[0028] Figure 6 It is a schematic assembly structure diagram of the bone conduction microphone in the embodiment of the utility model;

[0029] Figure 7 It is a schematic structure diagram of one direction of the PTT control box in the embodiment of the utility model;

[0030] Figure 8 It is a schematic structure diagram of another direction of the PTT control box in the embodiment of the utility model.

[0031] Explanation of reference signs:

[0032] 1-headband group;11-front headband;12-top headband;13-neck backband;14-first connecting support;15-second connecting support;

[0033] 2-receiver;

[0034] 21-profiling shell;211-outer cover;212-cover plate;

[0035] 22-headset loudspeaker;

[0036] 23-feedback microphone;24-environmental microphone;25-foam assembly;

[0037] 3-bone conduction microphone;31-housing;32-first side cover;321-grating hole;33-second side cover;331-heat dissipation hole;34-bone conduction assembly;

[0038] 4-PTT control box;41-control box body;42-PTT button;43-power button;44-spy button;45-noise reduction button;46-volume control key;47-external audio plug;48-PCB board. DETAILED DESCRIPTION

[0039] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0040] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication between two elements, it can be wireless connection, or wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Please refer to Figures 1-8 The present application provides a single-ear headset, as shown in the drawings, which comprises a headband group 1, a receiver 2, a bone conduction transmitter 3 and a PTT control box 4, wherein:

[0042] The headband group 1 is connected by adjustable connection, which ensures that the headset is stably worn on the user's head, and can also disperse the weight of the headset, improving the comfort of long-time wearing; the receiver 2 is arranged at one end of the headband group 1 and is adapted to accommodate the human ear, for converting electrical signals into sound signals, preferably the receiver 2 in the present embodiment comprises a profiling shell 21, a headset speaker 22 and a foam assembly 25, the headset speaker 22 is arranged in the profiling shell 21, and the foam assembly 25 is fixedly connected to one side of the profiling shell 21, the foam assembly 25 is adapted to accommodate the human ear, so that the headset speaker 22 in the receiver 2 converts electrical signals into sound signals, which are transmitted to the user's ear through the foam assembly 25, improving the transmission efficiency and sound quality of the sound; the bone conduction transmitter 3 is connected to the receiver 2, adapted to be close to the human voice emitting part (such as the human mouth), and converts the sound signal into the electrical signal, which utilizes the bone conduction technology, improves the clarity of voice communication and noise reduction performance; the PTT control box 4 is connected to the receiver 2, and the PTT control box 4 is electrically connected with the bone conduction transmitter 3, the user performs one-key communication through the PTT control box 4, presses the PTT button to send voice, and releases to stop sending, which improves the convenience of communication.

[0043] Thus, by the receiver 2 helps to improve the sound quality, and by the cooperation of the contoured shell 21 and the foam assembly 25, provide better sound isolation and transmission effect; bone conduction technology of the bone conduction receiver 3 makes the voice communication more clear, especially in noisy environment, can improve the recognition of voice; PTT control box 4 provides convenient one-key operation, users can quickly communicate, improve the efficiency and response speed of communication; the design of headband group 1 not only disperses the weight of earphone, but also improves the comfort of long time wearing, reduces the wearing pressure.

[0044] Further, please refer to Figure 1 、 2 , 3, the headband group 1 includes front forehead band 11, head top band 13 and neck back band 12, the front forehead band 11 is fixedly connected with one end of the neck back band 12, the other end of the front forehead band 11 is adjustably connected on the top side wall of the contoured shell 21 through the first connecting bracket 14, the other end of the neck back band 12 is adjustably connected on the rear side wall of the contoured shell 21 through the second connecting bracket 15, one end of the head top band 13 is fixedly connected at the fixed connection of the front forehead band 11 and the neck back band 12, and the other end is locked on the first connecting bracket 14.

[0045] The benefits of such a setup are: by dispersing the weight and pressure to different parts of the head (forehead, head top and back neck), reducing the pressure of a single part, improving the comfort of long time wearing. The first connecting bracket 14 and the second connecting bracket 15 provide an adjustable connection method, allowing users to adjust the tightness and position of the headband according to head shape and wearing habits, to ensure the best wearing comfort and stability.

[0046] Finally, the design of the headband group 1 ensures the stability of the earphone in various activities, reduces the displacement or falling of the earphone caused by loose headband.

[0047] Further, please refer to Figure 4 、 5 , the contoured shell 21 includes a cover 211 with an opening arranged towards the side of the human ear and a cover plate 212, the cover plate 212 is adapted to be sealingly connected on the opening of the cover 211, an internal space with earphone speaker 22 is formed between the cover 211 and the cover plate 212, the cover plate 212 is connected with the foam assembly 25 around the outer periphery of the side away from the cover 211, which plays the role of sound insulation, shock absorption and support.

[0048] Thus, through the accurate design of the contoured shell and the optimization of the internal space, not only can the sound quality of the earphone be improved, especially through the design of the front and rear sound cavities, which helps the propagation of sound and air balance.

[0049] Further, please refer to Figure 3 、 5As shown, for collecting the sound inside the space of the headset and the human ear, the receiver 2 is also provided with a feedback microphone 23, the feedback microphone 23 is embedded on the cover plate 212, and the feedback microphone 23 is located inside the foam assembly 25 and communicates with the earphone speaker 22, and is transmitted to the PTT control box 4 through the earphone speaker 22.

[0050] Specifically, the feedback microphone 23 is located inside the earphone and close to the ear, and the feedback microphone 23 generates an opposite sound wave for noise reduction by detecting the actual noise signal inside the ear. The advantage of this way is that it can monitor the noise in the ear canal in real time and process the noise more accurately; the sound signal collected by the feedback microphone 23 is transmitted to the PTT control box 4 through the earphone speaker 22, and the circuit in the PTT control box 4 processes these signals and performs corresponding operations, such as noise reduction and sending voice signals, which are played through the earphone speaker 22, realizing the cancellation of noise.

[0051] Further, please refer to Figure 4 As shown, for capturing the sound of the surrounding environment, reducing non-target voice noise during communication, and ensuring clear communication, the receiver 2 is also provided with an environmental microphone 24, the environmental microphone 24 is embedded on the side wall of the outer cover 211, and the environmental microphone 24 is electrically connected with the PTT control box 4. When the environmental microphone 24 captures the sound of the surrounding environment, these sounds include target voice and background noise, and the captured sound signals are transmitted to the PTT control box 4 through electrical connection, and the circuit in the PTT control box 4 processes these signals and performs corresponding operations, such as noise reduction and sending voice signals. The signals of the environmental microphone 24 and the bone conduction receiver 3 (which is usually closer to the user's mouth) are used to estimate the environmental noise and calculate the corresponding noise suppression parameters, and finally the environmental noise is filtered out by the filter module.

[0052] Therefore, the combination of the environmental microphone 24 and the PTT control box 4 not only improves the clarity of communication, but also enhances the flexibility and user experience of the device.

[0053] Further, please refer to Figure 1 、 7 , 8, the PTT control box 4 includes a control box body 41, a PTT button 42, a power button 43, a listening button 44, a noise reduction button 45, a volume control button 46, an external audio plug 47 and a PCB board 48, wherein:

[0054] The PCB board 48 is arranged in the control box body 41, the PTT button 42, the power button 43, the listening button 44, the noise reduction button 45, the volume control button 46 and the external audio plug 47 are electrically connected with the PCB board 48 respectively, and the power button 43, the listening button 44 and the noise reduction button 45 are embedded on one side surface of the control box body 41, the PTT button 42 and the volume control button 46 are embedded on the other side surface of the control box body 41, and the external audio plug 47 passes through the cable and goes out of the external of the control box body 41.

[0055] The power button 43 in the embodiment is used for controlling the power state of the PTT control box 4, ensuring that the device can work normally when needed; the listening button 44 allows the user to listen to the sound of the other communication party without sending voice; the noise reduction button 45 is used for activating or closing the noise reduction function, reducing background noise and improving the clarity of voice communication; the volume control button 46 allows the user to adjust the volume of the earphone to adapt to different environments and personal preferences; the external audio plug 47 allows the PTT control box 4 to connect external audio devices such as earphones or microphones, expanding the use scenarios of the device; the PCB board 48 is the circuit core of the PTT control box 4, and all the buttons and external devices are electrically connected with the PCB board 48 to realize the transmission and processing of signals.

[0056] When the user operates the PTT button 42, the power button 43, the listening button 44, the noise reduction button 45 or the volume control button 46, the corresponding signals are transmitted to the PCB board 48 through electrical connection, and the circuit on the PCB board 48 processes these signals and performs corresponding operations.

[0057] It needs to be further explained that the PTT (Push-To-Talk) control box is a device used in a radio communication system, which allows the user to control the transmission state of the communication device by pressing the button (PTT key). In the wireless communication system, the PTT control box 4 can be wireless, and the PTT instruction is transmitted through wireless signal, so as to realize the remote control of the transmission and reception state of the communication device.

[0058] Further, please refer to Figure 6As shown, the bone conduction receiver 3 includes a housing 31, a first side cover 32, a second side cover 33 and a bone conduction assembly 34, which converts sound waves into mechanical vibrations when a sound signal passes through the bone conduction assembly 34, and these vibrations are directly transmitted to the inner ear through the skull, producing hearing. The housing 31 has a first opening and a second opening respectively formed on the opposite sides of the preauricular cheek, and the first side cover 32 and the second side cover 33 are respectively adapted to cover the first opening and the second opening, the first side cover 32 is provided with a grid hole 321, and the second side cover 33 is provided with a heat dissipation hole 331, and the bone conduction assembly 34 is fixedly installed in the housing 31 and electrically connected with the PCB board 48 through a wire, to ensure the transmission of signals and the supply of power.

[0059] The core of the bone conduction receiver 3 in this embodiment is the bone conduction assembly 34, which uses bone conduction technology to directly transmit sound to the inner ear through the skull, bypassing the outer ear and the middle ear. This transmission method makes the propagation of sound not affected by environmental noise, and can reduce the attenuation and change of sound energy and timbre. The housing 31 is designed with a first opening and a second opening, which are covered by the first side cover 32 and the second side cover 33 respectively. This can allow sound waves to be transmitted in a specific area while protecting the internal components from physical damage from the outside. The grid hole 321 on the first side cover 32 is used for sound output, while the heat dissipation hole 331 on the second side cover 33 helps air circulation, reduces component overheating, and may have some impact on sound propagation.

[0060] Further, please refer to Figure 4 、 5 As shown, to improve the user's wearing experience and enhance the durability and sound quality of the earphone, the foam assembly 25 in this embodiment includes a skin-friendly material, a coating material and a filling material from outside to inside, wherein:

[0061] The outermost skin-friendly material is usually soft, breathable and friendly to the skin, such as silicone or some special fabric, to ensure comfort and reduce skin allergic reactions during long-term wear. The choice of such material helps to improve the user's wearing experience.

[0062] The coating material is a layer covering the skin-friendly material, which usually has a protective effect and can be leather, synthetic material or other durable material. This layer of material not only protects the internal structure, but also helps to improve the appearance and durability of the earphone.

[0063] The innermost filling material, such as foam, serves as a sound insulation and cushioning. This material can reduce external noise interference and reduce the hard contact between the earphone shell and the user's skin, providing better wearing comfort.

[0064] Further, please refer to Figure 7As shown, the volume control is usually implemented by a potentiometer (such as RP1), which is a variable resistor that controls the amplification degree of the signal by changing the resistance value, thereby adjusting the volume. In the PTT control box 4, the volume control key 46 includes a volume + key and a volume - key, wherein the volume + key and the volume - key are used to increase and decrease the resistance value of the volume potentiometer, thereby changing the size of the signal output to the power amplifier.

[0065] Further, the PTT control box 4 is also provided with a battery module electrically connected with the PCB 48, which provides the required power supply for the PCB 48. When working without external power supply, such a setting increases its portability and flexibility.

[0066] Preferably, the battery module in the embodiment uses a CR1632 button cell for power supply, which is easy to replace and can provide stable power supply.

[0067] Although the utility model discloses as above, the protection scope of the utility model disclosed is not limited to this only. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will all fall within the protection scope of the utility model.

Claims

1. A single-ear headphone, characterized by, The application relates to a headband set (1), a receiver (2) arranged at one end of the headband set (1), the receiver (2) comprising a profiled shell (21), earphone speakers (22) arranged in the profiled shell (21), and a foam assembly (25) fixedly connected to one side of the profiled shell (21), the foam assembly (25) being adapted to accommodate a human ear, the receiver (2) being adapted to convert electrical signals in a language communication into sound signals, a bone conduction receiver (3) connected to the receiver (2), the bone conduction receiver (3) being adapted to be arranged close to a human vocalization part, for converting sound signals in a language communication into electrical signals, and a PTT control box (4) connected to the receiver (2), the PTT control box (4) being electrically connected to the bone conduction receiver (3). The headband set (1) comprises a forehead band (11), a head top band (13), and a neck back band (12), one end of the forehead band (11) is fixedly connected to one end of the neck back band (12), the other end of the forehead band (11) is adjustably connected to a top side wall of the profiled shell (21) through a first connecting support (14), the other end of the neck back band (12) is adjustably connected to a rear side wall of the profiled shell (21) through a second connecting support (15), one end of the head top band (13) is fixedly connected to the fixed connection position of the forehead band (11) and the neck back band (12), and the other end of the head top band (13) is locked on the first connecting support (14). The profiled shell (21) comprises a cover (211) with an opening arranged on a side facing a human ear, and a cover plate (212) adapted to be sealingly connected to the opening of the cover (211), an internal space accommodating the earphone speakers (22) is formed between the cover (211) and the cover plate (212), and the cover plate (212) is connected to the outer periphery of a side away from the cover (211) and provided with the foam assembly (25). The receiver (2) further comprises a feedback microphone (23) embedded in the cover plate (212), the feedback microphone (23) is located in the interior of the foam assembly (25) and is in communication with the earphone speakers (22), so that the feedback microphone (23) collects sound in the space inside the headphone and the human ear, and transmits the sound to the PTT control box (4) through the earphone speakers (22). The receiver (2) further comprises an environmental microphone (24) embedded in the side wall of the cover (211), and the environmental microphone (24) is electrically connected to the PTT control box (4).

2. The monaural headset of claim 1, wherein, ​ 3. The monaural headset of claim 1, wherein, ​ 4. The monaural headset of claim 3, wherein, ​ 5. The monaural headset of claim 3, wherein, ​ 6. The monaural headset of claim 1, wherein, The PTT control box (4) comprises a control box body (41), a PCB (48) arranged in the control box body (41), a PTT button (42), a power button (43), a listening button (44), a noise reduction button (45), a volume control button (46) and an external audio plug (47) electrically connected with the PCB (48) respectively, the power button (43), the listening button (44) and the noise reduction button (45) are embedded on one side surface of the control box body (41), the PTT button (42), the PTT button (42) and the volume control button (46) are embedded on the other side surface of the control box body (41), and the external audio plug (47) passes through a cable to the outside of the control box body (41).

7. The monaural headset of claim 6, wherein, The bone conduction receiver (3) comprises a shell (31), a first side cover (32), a second side cover (33) and a bone conduction assembly (34), the shell (31) is provided with a first opening and a second opening on opposite sides of the preauricular cheek in parallel, and the first side cover (32) and the second side cover (33) are adapted to cover the first opening and the second opening respectively, the first side cover (32) is provided with a grating hole (321), the second side cover (33) is provided with a heat dissipation hole (331), and the bone conduction assembly (34) is fixedly installed in the shell (31) and electrically connected with the PCB (48) through a wire.

8. The monaural headset of claim 1, wherein, The foam assembly (25) comprises a skin-friendly material, an outer material and a filling material from outside to inside.

9. The monaural headset of claim 6, wherein, The volume control button (46) comprises a volume + button and a volume - button.

10. The monaural headset of claim 6, wherein, The PTT control box (4) is further provided with a battery module electrically connected with the PCB (48).

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