4g voice control intercom externally mounted on safety helmet

Abstract

The application provides a 4G voice control interphone externally connected on a safety helmet, and relates to the technical field of wireless communication equipment. The 4G voice control interphone externally connected on the safety helmet comprises an earphone main shell, rotating connection structures are arranged at both ends of the middle part of the earphone main shell, a main module is arranged on the top of the earphone main shell, and clamping support structures are arranged on the inner sides of both ends of the earphone main shell. The application completely liberates hands, the interphone is externally connected on the safety helmet and combined with full voice control technology, so that the user can completely liberate hands for operation during the process of communication, the work efficiency is significantly improved, the safety hidden danger caused by single-handed operation is eliminated, the adaptability is high, the existing standard safety helmet does not need to be modified, and the safety helmet can be quickly installed and used, the safety helmet of most brands and models on the market is compatible, and the application is convenient for large-scale popularization and application.

Description

Technical Field

[0001] This invention relates to the field of wireless communication equipment technology, specifically a 4G voice-controlled walkie-talkie that is attached to a safety helmet. Background Technology

[0002] In industrial operations such as construction, mining, petrochemicals, and power maintenance, workers frequently need to communicate in real time to coordinate work processes and ensure production safety. Currently, handheld walkie-talkies are widely used as the primary communication tool in the industry. However, these devices have the following significant drawbacks: they cannot free up the hands, as workers must hold the walkie-talkie while communicating, making it impossible to perform two-handed operations simultaneously. This not only reduces work efficiency but also poses a safety hazard due to single-handed operation of tools or equipment; poor call quality in high-noise environments, as these work scenarios typically involve high-intensity ambient noise. Traditional air-conducting microphones simultaneously capture both voice signals and ambient noise, resulting in unclear communication and severely impacting communication efficiency and the accuracy of command transmission; and inconvenience in wearing, as some headband-style walkie-talkies require custom-made safety helmets, making them incompatible with existing standard safety helmets, increasing usage costs and hindering promotion.

[0003] Therefore, this invention proposes a walkie-talkie that can free up the hands, ensure clear communication in high-noise environments, and can be directly attached to existing standard safety helmets, thereby effectively solving the aforementioned problems and difficulties. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a 4G voice-controlled walkie-talkie that is attached to a safety helmet. Through innovative external structure, solid vibration reception technology, and full voice control technology, it completely solves the problems existing in current handheld walkie-talkies.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A 4G voice-controlled walkie-talkie that is externally attached to a safety helmet includes an earpiece main housing. Rotary connecting structures are provided at both ends of the middle portion of the earpiece main housing. A host module is located at the top of the earpiece main housing. Clip-on support structures are provided on the inner sides of both ends of the earpiece main housing. External connecting components and data connection ports are provided at the bottom of each earpiece main housing. An earpiece module is clipped onto the earpiece main housing via the two data connection ports. The earpiece module includes an air conduction module and a fixed vibration receiving module. The host module integrates a 4G communication unit, a voice control unit, an MCU control unit, and a signal amplification unit. The fixed vibration radio module is electrically connected to the signal amplification unit, and the signal amplification unit is electrically connected to the MCU control unit. The MCU control unit is electrically connected to the 4G communication unit, the voice control unit, and the air conduction module. The voice control unit is used to receive the user's voice commands and transmit them to the MCU control unit to realize the full voice control operation of the walkie-talkie. The above technical solution, employing an integrated arc-shaped main shell combined with a modular earphone design, integrates the main unit, radio reception, and sound output functions into a structure that can be directly attached to a safety helmet, eliminating the need for additional equipment. The overall structure is compact, with even weight distribution, significantly improving wearing comfort. The modular snap-fit ​​design facilitates quick replacement and maintenance of the earphone modules, while also supporting flexible switching between the left and right ears to meet the habits of different users. It establishes a complete 4G wireless communication and voice control link, eliminating the need for manual button operation. Users can complete all functions such as calling, talking, and hanging up while using both hands, truly freeing their hands. The signal amplification unit can accurately amplify and filter weak vibration radio signals, ensuring clear voice in high-noise environments.

[0006] Furthermore, the external connection component is a universal back clip structure, compatible with all standard sizes of safety helmets on the market; The above technical solution allows for the quick clamping and installation of walkie-talkies onto the brim or edge of the helmet without any modification to existing standard safety helmets. The installation and disassembly process requires no tools, significantly reducing usage costs and barriers to promotion, making it suitable for large-scale adoption in various industrial operation scenarios.

[0007] Furthermore, the air conduction module is a U-shaped air duct made of elastic memory material. When in use, it can be straightened to fit the user's ear canal, and when not in use, it automatically returns to a U-shaped storage state. The air conduction module has the effect of sound insulation and noise reduction. Through the above technical solution, the U-shaped recoverable structure solves the problems of inconvenient storage and easy tangling of traditional headphones. After storage, it does not protrude from the main shell and does not affect the normal wearing and use of the helmet. When not in a call state, the air tube can be used directly as a soundproof earplug, which can effectively protect the user's hearing from environmental noise.

[0008] Furthermore, the fixed vibration sound receiving module is equipped with a ceramic strain gauge sensor to convert the received acoustic vibration signal into a resistance change signal, and then into a current signal to be transmitted to the signal amplification unit. The above technical solution uses the principle of solid vibration transmission to collect sound signals, which fundamentally avoids the defect of air conduction microphones being easily interfered with by environmental noise. The ceramic strain gauge sensor has high sensitivity and fast response speed, and can accurately collect the weak vocal cord vibration signals transmitted by the helmet strap, so as to ensure clear voice transmission quality even in high noise environment.

[0009] Furthermore, the voice control unit supports one-to-one call commands and group call commands; The above technical solutions meet the different communication needs in industrial operations. One-to-one calls are suitable for precise point-to-point communication, while group calls are suitable for unified scheduling and instruction issuance by work teams. There is no need to switch channels or dial manually, which greatly improves communication efficiency and work coordination.

[0010] Furthermore, the main body of the earphone shell adopts an arc-shaped shell structure that matches the arc-shaped contour of the outer side of the safety helmet and is connected by two rotating structures; Through the above technical solutions, the arc-shaped fitting design allows the main shell to fit tightly against the surface of the helmet, reducing the abruptness and shaking when wearing it. The rotating connection structure can be finely adjusted according to the curvature differences of different brands and models of helmets, further improving the adaptability and wearing stability of the equipment.

[0011] Furthermore, the two snap-fit ​​support structures are designed with 45-degree notches, and the top of the notches is chamfered to facilitate the smooth passage of the hat strap through the notches; Through the above technical solution, the beveled notch design allows the helmet strap to be inserted and removed without obstruction. During installation, there is no need to pull the strap forcefully, which avoids wear and tear on the strap. At the same time, the contact surface between the notch and the strap is a smooth bevel, which will not cause cutting damage to the strap after fixing, thus extending the service life of the helmet.

[0012] Furthermore, the main housing of the earphone is provided with snap hooks at the ports of the two snap-fit ​​support structures, and the two snap hooks of the main housing of the earphone are snapped onto the fixing shell strip of the safety helmet; Through the above technical solution, the snap-on hook and the external connection component form a double fixing structure, so that the walkie-talkie will not fall off the safety helmet even during violent movement, high-altitude operation or accidental collision, which greatly improves the safety and reliability of the equipment.

[0013] This invention provides a 4G voice-controlled walkie-talkie that attaches to a safety helmet. It offers the following advantages: 1. This invention provides a 4G voice-controlled walkie-talkie that attaches to a safety helmet, completely freeing up the hands. By attaching the walkie-talkie to the safety helmet and combining it with full voice control technology, users can work with their hands completely free during communication, significantly improving work efficiency, eliminating safety hazards caused by single-handed operation, and is highly adaptable. It adopts a universal back clip and hood strap-type microphone module, which can be quickly installed and used without any modification to existing standard safety helmets. It is compatible with most brands and models of safety helmets on the market, facilitating large-scale promotion and application.

[0014] 2. This invention provides a 4G voice-controlled walkie-talkie that is attached to a safety helmet. It adopts a modular snap-fit ​​structure, integrating the sound reception and ear conduction functions into the earphone module. The earphone module and the main earphone shell are connected via a data connection port, allowing for quick disassembly and replacement. It can be installed on the left or right side according to actual needs. The entire earphone integrates functions such as call, noise reduction, and GPS positioning. The air conduction earphone module can be used as a noise-isolating earplug when not in use, making it a multi-functional device that improves the practicality and cost-effectiveness of the product. Attached Figure Description

[0015] Figure 1 This is a front perspective view of the 4G voice-controlled walkie-talkie attached to a safety helmet according to the present invention. Figure 2 This is a side perspective view of the 4G voice-controlled walkie-talkie attached to a safety helmet according to the present invention. Figure 3 The image shows a bottom-view perspective view of the 4G voice-controlled walkie-talkie attached to a safety helmet according to the present invention. Figure 4 This is a top-view perspective view of the 4G voice-controlled walkie-talkie attached to a safety helmet according to the present invention.

[0016] In the picture: 1. Headphone main shell; 101. Data connection port; 102. Main unit module; 103. Rotating connection structure; 104. External connection component; 105. Snap-fit ​​support structure; 106. Snap-fit ​​hook; 2. Headphone module; 201. Air conduction module; 202. Fixed vibration radio module. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example 1:

[0018] like Figure 1-4 As shown, this embodiment of the invention provides a 4G voice control walkie-talkie that is externally attached to a safety helmet, including an earphone main shell 1. Rotary connection structures 103 are provided at both ends of the middle part of the earphone main shell 1. A host module 102 is provided at the top of the earphone main shell 1. A snap-fit ​​support structure 105 is provided on the inner side of both ends of the earphone main shell 1. An external connection component 104 is provided at the bottom of the earphone main shell 1, and a data connection port 101 is provided. An earphone module 2 is snap-fitted onto the earphone main shell 1 through the two data connection ports 101. The earphone module 2 includes an air conduction module 201 and a fixed vibration receiving module 202. The host module 102 integrates a 4G communication unit, a voice control unit, an MCU control unit, and a signal amplification unit. The fixed vibration radio module 202 is electrically connected to the signal amplification unit, and the signal amplification unit is electrically connected to the MCU control unit. The MCU control unit is electrically connected to the 4G communication unit, the voice control unit, and the air conduction module 201. The voice control unit is used to receive the user's voice commands and transmit them to the MCU control unit to realize the full voice control operation of the walkie-talkie. Featuring an integrated curved main shell combined with a modular earphone design, the main unit, radio, and sound output functions are integrated into a structure that can be directly attached to a safety helmet, eliminating the need for additional equipment. The overall structure is compact, with even weight distribution, significantly improving wearing comfort. The modular snap-fit ​​design facilitates quick replacement and maintenance of the earphone modules, while also supporting flexible switching between the left and right ears to meet the habits of different users. It establishes a complete 4G wireless communication and voice control link, eliminating the need for manual button operation. Users can complete all functions such as calling, talking, and hanging up while using both hands, truly freeing up their hands. The signal amplification unit can accurately amplify and filter weak vibration radio signals, ensuring clear voice in high-noise environments.

[0019] The external connection component 104 is a universal back clip structure that is compatible with all standard safety helmets on the market. It can quickly clip and install a walkie-talkie on the brim or edge of the helmet without any modification to the existing standard safety helmet. The installation and disassembly process does not require tools, which greatly reduces the cost of use and the threshold for promotion, and is suitable for large-scale popularization in various industrial operation scenarios. The air conduction module 201 is a U-shaped air tube made of elastic memory material. When in use, it can be straightened to fit the user's ear canal, and when not in use, it automatically returns to the U-shaped storage state. The air conduction module 201 has the effect of sound insulation and noise reduction. The U-shaped self-recovering structure solves the problems of inconvenient storage and easy tangling of traditional headphones. After storage, it does not protrude from the main shell and does not affect the normal wearing and use of the helmet. When not in a call state, the air tube can be used directly as a soundproof earplug, which can effectively protect the user's hearing from environmental noise. The fixed vibration sound receiving module 202 is equipped with a ceramic strain gauge sensor to convert the received sound wave vibration signal into a resistance change signal, and then into a current signal to be transmitted to the signal amplification unit. It uses the solid vibration conduction principle to collect sound signals, which fundamentally avoids the defect of air conduction microphones being easily interfered with by environmental noise. The ceramic strain gauge sensor has high sensitivity and fast response speed, and can accurately collect the weak vocal cord vibration signal transmitted by the helmet strap, so as to ensure clear voice transmission quality even in high noise environment. The voice control unit supports one-to-one call commands and group call commands to meet different communication needs in industrial operations. One-to-one calls are suitable for precise point-to-point communication, while group calls are suitable for unified scheduling and command issuance by work teams. There is no need to switch channels or dial manually, which greatly improves communication efficiency and work coordination. The main body of the earphone shell 1 adopts an arc-shaped shell structure that matches the arc-shaped contour of the outer side of the helmet and is connected by two rotating structures 103. The arc-shaped fit design allows the main shell to fit tightly against the surface of the helmet, reducing the abruptness and shaking when wearing it. The rotating connection structure can be finely adjusted according to the arc difference of different brands and models of helmets, further improving the compatibility and wearing stability of the device. The two snap-fit ​​support structures 105 are designed with 45-degree notches, and the top of the notches is beveled to facilitate the smooth passage of the chin strap. The beveled notch design allows the chin strap to be inserted and removed without obstruction. There is no need to pull the chin strap forcefully during installation, which avoids wear on the chin strap. At the same time, the contact surface between the notch and the chin strap is smooth and beveled, which will not cause cutting damage to the chin strap after fixing, thus extending the service life of the safety helmet. The main housing 1 of the earphone is provided with snap hooks 106 at the ports of the two snap-fit ​​support structures 105. The two snap hooks 106 of the main housing 1 of the earphone are snapped onto the fixing shell strip of the safety helmet. The snap hooks and the external connection components form a double fixing structure. Even in the event of violent movement, high-altitude operation or accidental collision, the walkie-talkie will not fall off the safety helmet, which greatly improves the safety and reliability of the equipment. Working principle: The 4G voice-controlled walkie-talkie attached to a safety helmet provided by this invention is first used by clamping the main earpiece shell 1 onto the brim of the safety helmet via the bottom external connection component 104. Then, the helmet straps are passed sequentially through the notches in the two snap-fit ​​support structures 105. Finally, the snap-fit ​​hook 106 is snapped onto the fixing strip on the edge of the safety helmet shell, completing the double fixation. According to the user's preference, the earpiece module 2 is inserted into the corresponding data connection port 101. After powering on, the device automatically connects to the 4G network and GPS positioning system. When the user needs to make a call, they only need to issue a voice command. The voice control unit recognizes the command and transmits it to the MCU control unit. The MCU control unit establishes a call connection through the 4G communication unit. When the user speaks, the vibration of the vocal cords is transmitted to the helmet strap through the skull and mandible. The vibration of the helmet strap is collected by the ceramic strain gauge sensor in the solid vibration sound receiving module 202, converted into a resistance change signal, and then converted into a weak current signal. The current signal is transmitted to the signal amplification unit for amplification and filtering, and then transmitted to the MCU control unit for voice encoding. Finally, it is sent to the remote end through the 4G communication unit. After the voice signal sent from the remote end is received by the 4G communication unit, it is transmitted to the MCU control unit for decoding and digital-to-analog conversion, and then drives the air conduction module 201 to emit sound, so that the user can hear the other party's voice. After the call ends, the user can disconnect by issuing a voice command. When not making a call, the user can insert the earplug of the air conduction module 201 into the ear canal to use it as a noise-canceling earplug, effectively isolating environmental noise and protecting hearing.

[0020] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0021] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

Claims

1. A 4G voice-controlled walkie-talkie attached to a safety helmet, comprising an earpiece housing (1), characterized in that: The main housing (1) of the earphone is provided with a rotating connection structure (103) at both ends of the middle part. The main housing (1) of the earphone is provided with a host module (102) at the top. The main housing (1) of the earphone is provided with a snap-fit ​​support structure (105) on the inner side of both ends. The bottom is provided with an external connection component (104) and a data connection port (101). The main housing (1) of the earphone is snap-fitted with an earphone module (2) through two data connection ports (101). The earphone module (2) includes an air conduction module (201) and a fixed vibration sound receiving module (202). The host module (102) integrates a 4G communication unit, a voice control unit, an MCU control unit, and a signal amplification unit. The fixed vibration radio module (202) is electrically connected to the signal amplification unit, and the signal amplification unit is electrically connected to the MCU control unit. The MCU control unit is electrically connected to the 4G communication unit, the voice control unit, and the air conduction module (201). The voice control unit is used to receive the user's voice commands and transmit them to the MCU control unit to realize the full voice control operation of the walkie-talkie.

2. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The external connection component (104) is a universal back clip structure, which is compatible with all standard safety helmets on the market.

3. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The air conduction module (201) is a U-shaped air duct made of elastic memory material. When in use, it can be straightened to fit the user's ear canal, and when not in use, it automatically returns to a U-shaped storage state. The air conduction module (201) has the effect of sound insulation and noise reduction.

4. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The fixed vibration sound receiving module (202) is equipped with a ceramic strain gauge sensor to convert the received acoustic vibration signal into a resistance change signal, and then into a current signal to be transmitted to the signal amplification unit.

5. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The voice control unit supports one-to-one call commands and group call commands.

6. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The main shell of the earphone (1) adopts an arc-shaped shell structure that is adapted to the arc-shaped contour of the outer side of the safety helmet and is connected by two rotating connection structures (103).

7. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The two snap-fit ​​support structures (105) are designed with 45-degree notches, and the top of the notches is chamfered to facilitate the smooth passage of the hat strap through the notches.

8. A 4G voice-controlled walkie-talkie attached to a safety helmet according to claim 1, characterized in that: The main housing (1) of the earphone is provided with snap hooks (106) at the ports of the two snap-fit ​​support structures (105), and the two snap hooks (106) of the main housing (1) of the earphone are snapped onto the fixing shell strip of the safety helmet.

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