External module device and intelligent helmet

Abstract

The utility model relates to the technical field of intelligent helmets, in particular to an external module device and an intelligent helmet. Comprising a hardware assembly detachably arranged on one side of the inner wall of the helmet and a battery assembly detachably arranged on the side, opposite to the hardware assembly, of the inner wall of the helmet, the hardware assembly is connected with the battery assembly through a power connecting line, and a main control circuit board is arranged in the hardware assembly. A battery access contact connected with a power supply connecting line is formed on the main control circuit board, the battery assembly comprises a battery shell, a battery is arranged in the battery shell, an electric energy output contact connected with the power supply connecting line is formed on the battery, and the hardware assembly and the battery assembly are detachably connected with the helmet through fixing pieces. When the hardware is maintained or replaced, an operator can quickly complete the assembly operation of the hardware without the help of a complex tool, so that the use convenience and the maintenance efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent helmet technical field especially, it is an external module device and intelligent helmet. BACKGROUND

[0002] The intelligent helmet has been widely applied in industry, traffic, entertainment and other fields, and the intelligent helmet can realize environment perception, information interaction, data processing and other functions by integrating various intelligent hardware such as sensors, communication modules, display devices and the like.However, the existing intelligent helmet has many defects in technical scheme, one is that the intelligent hardware and its shell usually adopt fixed connection mode, and the disassembly and assembly process is complex, two is that due to the integration of intelligent hardware, the original structure of the helmet shell is damaged in a large range, which brings potential safety risk to the user, three is that the value of intelligent hardware is much higher than that of the helmet shell, according to the safety standards related to special industries, the safety helmet needs to be compulsorily scrapped within 2 to 5 years, but the normal service life of the intelligent hardware is far more than the scrapping period of the helmet, and the overall scrapping processing mode leads to serious waste of intelligent hardware resources, causing unnecessary economic loss and resource consumption, four is that the intelligent hardware and the battery are arranged in a module, causing uneven weight distribution of the helmet and low wearing comfort.

[0003] Therefore, an external module device and intelligent helmet are needed, which can realize quick assembly and disassembly of the intelligent hardware and the helmet shell, ensure that the original safety performance of the helmet shell is not damaged after the integration of the intelligent hardware, facilitate recycling of the intelligent hardware after the helmet shell is scrapped, and improve the adaptability of the helmet. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, an external module device is needed, which is convenient to assemble and disassemble without damaging the original structure of the helmet, and the utility model provides an external module device and intelligent helmet.

[0005] In the first aspect, the utility model provides an external module device, which comprises a hardware assembly detachably arranged on one side of the inner wall of the helmet, and a battery assembly detachably arranged on the opposite side of the inner wall of the helmet and the hardware assembly, the hardware assembly and the battery assembly are connected through a power supply connecting line, the hardware assembly is internally provided with a main control circuit board, the main control circuit board is formed with a battery access contact point connected with the power supply connecting line, the battery assembly comprises a battery shell, the battery shell is internally provided with a battery, the battery is formed with an electric energy output contact point connected with the power supply connecting line, and the hardware assembly and the battery assembly are detachably connected with the helmet through fixing pieces.

[0006] Further, the hardware assembly is arranged at the front end of the inner wall of the helmet, and the battery assembly is arranged at the rear end of the inner wall of the helmet, the hardware assembly is formed with a brim fitting portion and a shell fixing portion, the brim fitting portion is accommodated into the brim of the helmet, the control keys are arranged on the surface of the brim fitting portion parallel to the brim of the helmet, and the shell fixing portion is detachably connected with the helmet through the fixing member.

[0007] Further, the fixing member includes one or more of a combination of a screw, a magic paste, a magnetic paste, double-sided adhesive tape, and a buckle mechanism.

[0008] Further, the buckle mechanism includes a buckle slot arranged on the hardware assembly or the battery assembly, a buckle protrusion arranged on the helmet and matched with the buckle slot, a buckle slot arranged on the hardware assembly or the battery assembly, and a buckle switch button arranged on the helmet and matched with the buckle slot, the buckle switch button is movably arranged in a cavity for accommodating the buckle switch button, the buckle protrusion is buckled into the buckle slot, and the buckle switch button is buckled into the buckle slot.

[0009] Further, the hardware assembly includes a shell in a semi-open shape, and the shell and the inner wall of the helmet form a closed space.

[0010] Further, the functional assembly includes a plug, a preset member fixedly connected with the plug, and a protective cover for accommodating the preset member, the preset member is internally provided with a camera and a lighting lamp, the protective cover is provided with a camera hole and a lamp hole, a visual direction of the camera is directed to the outside through the camera hole, an irradiation direction of the lighting lamp is directed to the outside through the lamp hole, and tempered glass lenses are arranged at the camera hole and the lamp hole.

[0011] Further, a microphone is arranged on the shell fixing portion, a USB interface, a loudspeaker, and an indicator lamp for indicating a working state are arranged on the brim fitting portion, a waterproof sound-permeable film is arranged on the inner side of the microphone, a power connection port is arranged on the shell fixing portion, and a waterproof cover plate is arranged at the power connection port.

[0012] Further, a transmission module and a storage module are arranged in the hardware assembly, the transmission module includes a Bluetooth module, a WiFi module, a positioning module, and a 4G communication module, and the positioning module supports GPS positioning and Beidou positioning.

[0013] Further, a protective lining is arranged between the hardware assembly and the battery assembly, the protective lining is arranged in an arc shape, a magic paste is arranged on the outer arc surface of the protective lining, and a power connection line is arranged on the outer arc surface of the protective lining.

[0014] The second aspect, the utility model provides a kind of intelligent helmet, including helmet, still including the external module device of any item, the accommodating groove of accommodating battery assembly is formed in the rear end of helmet inner wall, annular sealing groove that is cooperated with the shell of hardware assembly is formed on the inner wall of helmet, sealing rubber ring is equipped in annular sealing, the through-hole for inserting piece insertion is formed on the helmet.

[0015] Summarized above, the utility model has the beneficial technical effects as follows:

[0016] 1. The utility model provides an external module device and intelligent helmet, and assembly disassembly is convenient, and hardware assembly and battery assembly are detachably connected with helmet by fixing part, compared with the fixed connection mode of intelligent hardware and shell in traditional intelligent helmet, the disassembly and assembly process are simplified. When hardware is maintained or replaced, operating personnel need not with the aid of complex tool, can be quickly completed operation, and use convenience and maintenance efficiency are significantly improved.

[0017] 2. The hardware assembly of the utility model is not wide range of destroying the original structure of helmet shell after being assembled with helmet. The brim adhesion part is received in the brim of helmet, and the shell fixing part is fixed with helmet by screw or other fixing part, so that the helmet can still keep its original safety protection performance after integrating intelligent hardware, to avoid that potential safety risk is brought to user due to structure wide range of destruction.

[0018] 3. The hardware assembly and battery assembly of the utility model are respectively arranged in front and back of helmet, and the weight distribution is uniform, and the pressure of wearing is reduced. When the helmet reaches the scrap year limit, the intelligent hardware can be disassembled and recycled, to avoid the waste of intelligent hardware resources caused by overall scrapping.

[0019] 4. The utility model has rich function expandability, and functional assembly containing camera, illuminating lamp and the like can be inserted on hardware assembly, and through the insertion of different functional assembly, multiple functions such as video shooting, illumination can be quickly expanded for intelligent helmet, to meet the use demand in different scenes, and the adaptability of helmet is improved. Meanwhile, the multiple transmission modules and storage modules built-in hardware assembly also further enhance the data transmission and storage capacity of intelligent helmet. DETAILED DESCRIPTION

[0020] Figure 1 It is the explosion view of the external module device and intelligent helmet of the utility model embodiment.

[0021] Figure 2 It is another explosion view of the external module device and intelligent helmet of the utility model embodiment.

[0022] Figure 3 It is the structure schematic view of the battery assembly of the utility model embodiment.

[0023] Figure 4 It is the structure diagram of the hardware component of the embodiment of the utility model.

[0024] Figure 5 It is the structure diagram of the shell of the hardware component of the embodiment of the utility model.

[0025] Figure 6 It is the principle diagram of the buckle mechanism of the embodiment of the utility model.

[0026] Figure 7 It is the structure diagram of the functional component of the embodiment of the utility model.

[0027] Figure 8 It is the structure diagram of the protective cover of the functional component of the embodiment of the utility model.

[0028] Figure 9 It is the structure diagram of the helmet of the embodiment of the utility model.

[0029] Figure 10 It is another structure diagram of the helmet of the embodiment of the utility model.

[0030] 1, hardware component, 101, main control circuit board, 102, battery access contact, 103, cap edge fitment, 104, microphone, 105, loudspeaker, 106, indicator light, 107, control key, 108, shell fixed part, 109, power connection, 110, waterproof cover plate, 111, shell, 112, USB interface;

[0031] 2, battery assembly, 201, battery shell, 202, battery, 203, electric energy output contact;

[0032] 3, power connection line;

[0033] 4, functional component, 401, plug, 402, preset piece, 403, protective cover, 404, camera, 405, illuminating lamp, 406, camera hole, 407, lamp hole;

[0034] 5, protective lining;

[0035] 6, helmet, 601, containing groove, 602, annular sealing groove, 603, sealing rubber ring, 604, through hole;

[0036] 7, buckle mechanism, 701, buckle groove, 702, buckle protrusion, 703, buckle slot, 704, recess, 705, buckle switch button. DETAILED DESCRIPTION

[0037] The utility model will be further explained in detail in combination with the drawings.

[0038] Embodiment 1

[0039] With reference to Figure 1 and Figure 2 , the external module device of the embodiment comprises a hardware assembly 1 detachably arranged on one side of the inner wall of the helmet 6, and a battery assembly 2 detachably arranged on the opposite side of the inner wall of the helmet 6 and the hardware assembly 1. The hardware assembly 1 and the battery assembly 2 are connected through a power supply connecting line 3. The hardware assembly 1 is internally provided with a main control circuit board 101. The main control circuit board 101 is formed with a battery access contact 102 for connecting the power supply connecting line 3. The battery assembly 2 comprises a battery shell 201. The battery shell 201 is internally provided with a battery 202. The battery 202 is formed with a power output contact 203 for connecting the power supply connecting line 3. The hardware assembly 1 and the battery assembly 2 are detachably connected with the helmet 6 through fixing members.

[0040] With reference to Figure 1 , the hardware assembly 1 is arranged at the front end of the inner wall of the helmet 6, and the battery assembly 2 is arranged at the rear end of the inner wall of the helmet 6. The hardware assembly 1 is formed with a brim fitting part 103 and a shell fixing part 108. The brim fitting part 103 is accommodated into the brim of the helmet 6. A control key 107 is arranged on the surface of the brim fitting part 103 which is parallel to the brim of the helmet 6. The shell fixing part 108 is detachably connected with the helmet 6 through the fixing member.

[0041] The fixing member comprises one or more combinations of screws, magic stickers, magnetic stickers, double-sided adhesive tapes or buckle mechanisms 7. Figure 3 、 Figure 4 and Figure 5 The connection mode of screwing the screw using a screwdriver is given, which is not limited to the installation position of the screw shown in the figure.

[0042] The shell fixing part 108 is detachably connected with the helmet 6 through the fixing member, realizing the quick assembly and disassembly of the hardware assembly 1 and the helmet 6. This design not only facilitates the installation and maintenance of the device, but also makes it easy to disassemble the hardware assembly 1 for recycling when the helmet 6 shell reaches the scrap age. At the same time, the power supply connecting port 109 arranged on the shell fixing part 108 is used to connect the power supply connecting line 3, providing power for the hardware assembly 1. The waterproof cover plate 110 at the power supply connecting port 109 can be closed when not in use, effectively preventing water and dust from entering, ensuring the stability and safety of the connection.

[0043] With reference to Figure 6The buckle mechanism 7 includes a buckle slot 701 provided on the hardware assembly 1 or the battery assembly 2, a buckle protrusion 702 provided on the helmet 6 and matched with the buckle slot 701, a buckle slot 703 provided on the hardware assembly 1 or the battery assembly 2, and a buckle switch button 705 provided on the helmet 6 and matched with the buckle slot 703. The buckle switch button 705 is movably arranged in a recess cavity 704 accommodating the buckle switch button 705. The buckle protrusion 702 is buckled into the buckle slot 701, and the buckle switch button 705 is buckled into the buckle slot 703. The buckle switch button 705 is buckled into the buckle slot 703 by interference fit and is not easy to be pulled out, and the buckle switch button 705 is buckled into the buckle slot 701 by spring return. Figure 7 The structure of the buckle mechanism 7 provided on the hardware assembly 1 is given, and the same buckle mechanism 7 can be applied in the battery assembly 2.

[0044] Referring to Figure 5 The hardware assembly 1 includes a shell 111 in a semi-open shape, and the shell 111 and the inner wall of the helmet 6 form a closed space.

[0045] The shell 111 and the inner wall of the helmet 6 form a closed space, which provides good physical protection for the internal electronic components and prevents damage caused by external forces such as impact and extrusion. In the device development, the structure of the front shell is omitted, and the inner wall of the helmet 6 is directly used as the front shell, thereby saving the use of front shell materials. Users can select to install different functional assemblies 4 according to actual needs, such as a camera 404 and a lighting lamp 405, to meet diversified use scenarios.

[0046] Referring to Figure 7 and Figure 8 The functional assembly 4 includes a plug-in piece 401, a preset piece 402 fixedly connected with the plug-in piece 401, a protective cover 403 accommodating the preset piece 402, a camera 404 and a lighting lamp 405 built in the preset piece 402, a camera hole 406 and a lamp hole 407 formed on the protective cover 403, a visual direction of the camera 404 being projected to the outside through the camera hole 406, an irradiation direction of the lighting lamp 405 being projected to the outside through the lamp hole 407, and tempered glass lenses being arranged at the camera hole 406 and the lamp hole 407.

[0047] The plug 401 in the functional assembly 4 is inserted into the main control circuit board 101 of the hardware assembly 1 to realize electrical connection and physical fixation with the hardware assembly 1. The camera 404 and the illuminating lamp 405 in the preset assembly 402 provide functional support for the user in different scenes. The camera 404 can be used to take pictures of the work site and record the driving process, helping the user to obtain important information; the illuminating lamp 405 provides illumination for the user in an insufficient light environment, ensuring the safety of the work. The tempered glass lens arranged at the camera hole 406 and the lamp hole 407 not only protects the camera 404 and the illuminating lamp 405 inside from dust, water vapor and the like, but also ensures good light transmission, ensuring clear shooting pictures and good illumination effect.

[0048] With reference to Figure 4 The shell fixing part 108 is provided with a microphone 104, the brim fitting part 103 is provided with a USB interface 112, a loudspeaker 105 and an indicator lamp 106 for indicating the working state, the inside of the microphone 104 is covered with a waterproof sound-permeable film, the shell fixing part 108 is provided with a power connection port 109, and the power connection port 109 is provided with a waterproof cover plate 110.

[0049] The brim fitting part 103 is accommodated in the brim of the helmet 6 and parallel to the brim of the helmet 6, so that the hardware assembly 1 realizes functional integration without affecting the overall appearance and wearing comfort of the helmet 6. The control keys 107 arranged thereon facilitate the user to quickly operate the intelligent functions such as starting or stopping the camera 404, adjusting the volume and switching the working mode without taking off the helmet 6. In addition, the microphone 104 on the shell fixing part 108, the loudspeaker 105 and the indicator lamp 106 on the brim fitting part 103 further enhance the human-computer interaction function. The waterproof sound-permeable film covering the inside of the microphone 104 can ensure clear collection of sound and prevent rain, dust and the like from entering the inside of the hardware assembly 1, ensuring its normal work; the loudspeaker 105 is used to play voice prompts and call sounds, so that the user can obtain information in time; the indicator lamp 106 shows the working state of the device such as the power state and the data transmission state to the user intuitively through different colors and flashing modes, and the USB interface can be used for data transmission and download, and the device can also be charged.

[0050] The battery 202 built-in the battery assembly 2 provides stable power support for the hardware assembly 1 and the function assembly 4 as the power source of the whole external module device. The power output contact 203 on the battery 202 is connected with the power supply connecting line 3, ensuring that the power can be transmitted to the hardware assembly 1. The battery shell 201 not only plays a role in protecting the battery 202, but also is detachably connected with the rear end of the inner wall of the helmet 6 through a fixing part, so that the installation and replacement of the battery assembly 2 are more convenient. At the same time, the reasonable layout of the battery 202 and the hardware assembly 1 arranged at the front and rear of the inner wall of the helmet 6 respectively adjusts the weight distribution of the helmet 6 and improves the wearing comfort.

[0051] The hardware assembly 1 is built-in with a transmission module and a storage module. The transmission module includes a Bluetooth module, a WiFi module, a positioning module and a 4G communication module. The positioning module supports GPS positioning and Beidou positioning.

[0052] The Bluetooth module adopts the low-power Bluetooth 5.2 technical standard, which can complete the connection with Bluetooth devices such as mobile phones within 2 seconds and realize functions such as voice calls. In actual application, the user can connect the smart helmet 6 with the mobile phone through the Bluetooth module to receive the navigation voice prompt, incoming call reminder and other information pushed by the mobile phone, without taking out the mobile phone to complete the operation, thereby improving the convenience and safety. At the same time, the low-power characteristic of the Bluetooth module makes it consume only a small amount of power in a long working state, effectively prolonging the endurance time of the smart helmet 6.

[0053] The WiFi module selects a dual-frequency (2.4GHz / 5GHz) WiFi chip. In indoor or WiFi-covered scenes, the smart helmet 6 can quickly access the network through the WiFi module to realize functions such as real-time uploading of high-definition videos. For example, in the industrial inspection scene, the smart helmet 6 worn by the worker can transmit the high-definition device images or videos shot by the worker to the background management system through the WiFi network in real time, facilitating timely analysis and processing by the technical personnel.

[0054] The positioning module integrates high-precision GPS positioning chips and Beidou chips. In actual use, whether it is outdoor work, cycling or emergency rescue scene, the positioning module of the smart helmet 6 can obtain the position information of the wearer in real time, and transmit the position data to the background management system or the terminal device of the related personnel through the 4G communication module or the WiFi module, so as to facilitate personnel scheduling, track tracking and safety monitoring.

[0055] The 4G communication module adopts a Cat.4 level 4G LTE communication chip. The module has an automatic reconnection function. When the network signal is interrupted, it can automatically reconnect the network within 5 seconds, ensuring the continuity of data transmission. In the outdoor scene without WiFi coverage, the 4G communication module can be used as the main network connection mode of the smart helmet 6 to realize functions such as real-time voice call, video live broadcast, data upload and download.

[0056] The storage module adopts a large-capacity eMMC (embedded multimedia card) storage chip, which supports high-speed reading and writing and can quickly store high-definition video, audio files, positioning data and other information photographed by the camera 404. The storage module also supports a loop recording function. When the storage space is almost full, the earliest recorded video files are automatically overwritten to ensure that the device can continuously and uninterruptedly record data.

[0057] With reference to Figure 1 , the hardware assembly 1 and the battery assembly 2 are provided with a protective lining 5, the protective lining 5 is arc-shaped, the outer arc surface of the protective lining 5 is provided with a magic paste, the hook surface of the magic paste is made of nylon material, the hair surface is made of polyester material, the adhesion is strong, and the power connection line 3 is arranged on the outer arc surface of the protective lining 5. The protective lining 5 is arc-shaped and is attached to the inner wall of the helmet 6 to play a buffering and protecting role, improve the wearing comfort, the lining can be made of foam or sponge material, the magic paste is arranged on the outer arc surface of the lining, which is used on the inner wall of the helmet 6, and the power line is arranged between the helmet 6 and the protective lining 5, so that the user's head does not directly contact the power connection line 3, the power connection line 3 is arranged neatly inside the helmet 6, and the safety of power transmission is ensured.

[0058] Embodiment 2

[0059] With reference to Figure 9 and Figure 10 , the difference between this embodiment and embodiment 1 is that this embodiment provides a smart helmet 6, which comprises a helmet 6 and an external module device according to any one of the embodiments, a containing groove 601 for containing the battery assembly 2 is formed at the rear end of the inner wall of the helmet 6, an annular sealing groove 602 cooperating with the shell 111 of the hardware assembly 1 is formed on the inner wall of the helmet 6, a sealing rubber ring 603 is arranged in the annular sealing groove 602, and a through hole 604 for inserting the plug-in part 401 is formed on the helmet 6.

[0060] The accommodating groove 601 formed at the rear end of the inner wall of the helmet 6 provides a mounting position for the battery assembly 2, ensuring that the battery assembly 2 is stable and reliable after installation and cannot shake or shift. At the same time, the reasonable design of the accommodating groove 601 makes the battery assembly 2 closely fit the inner wall of the helmet 6, further optimizing the weight distribution of the helmet 6 and improving the wearing comfort. The annular sealing groove 602 formed between the inner wall of the helmet 6 and the shell 111 of the hardware assembly 1, the shape of the annular sealing groove 602 is matched with the outer contour of the shell 111, the shell 111 can be inserted into the annular sealing groove 602, cooperating with the sealing rubber ring 603 to improve the waterproof performance, the through hole 604 formed on the helmet 6 for inserting the plug-in part 401 provides a channel for the connection of the functional assembly 4 and the hardware assembly 1, ensuring that the functional assembly 4 can be installed. In addition, the overall structure of the helmet 6 still maintains the original safety performance while ensuring the installation of the external module device and the realization of the function, meeting the relevant safety standards and providing reliable safety protection for the user.

[0061] The combination of the external module device and the helmet 6 makes the intelligent helmet 6 increase rich intelligent functions on the basis of maintaining the original protection function. The hardware assembly 1 and the battery assembly 2 are closely combined with the helmet 6 through reasonable layout and fixing mode, and at the same time, the detachable design of the external module device enables the external module device to be completely detached after the helmet 6 shell is scrapped, and installed on a new helmet 6 for continuous use, greatly reducing the use cost and improving the resource utilization rate. In addition, the functional assembly 4 of the external module device can be flexibly replaced and expanded according to different use scenarios, so that the intelligent helmet 6 can meet the diversified needs of multiple fields such as industry, transportation and entertainment.

[0062] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An add-on module device, characterized in that, The application relates to a helmet (6) with a hardware assembly (1) detachably arranged on one side of the inner wall of the helmet (6), a battery assembly (2) detachably arranged on the side, opposite to the hardware assembly (1), of the inner wall of the helmet (6), the hardware assembly (1) and the battery assembly (2) being connected through a power supply connecting line (3), the hardware assembly (1) being internally provided with a main control circuit board (101), the main control circuit board (101) being provided with a battery access contact (102) for connecting the power supply connecting line (3), the battery assembly (2) comprising a battery shell (201), the battery shell (201) being internally provided with a battery (202), the battery (202) being provided with an electric energy output contact (203) for connecting the power supply connecting line (3), the hardware assembly (1) and the battery assembly (2) being detachably connected with the helmet (6) through fixing members.

2. The external module device of claim 1, wherein, The hardware assembly (1) is arranged at the front end of the inner wall of the helmet (6), the battery assembly (2) is arranged at the rear end of the inner wall of the helmet (6), the hardware assembly (1) is provided with a brim fitting part (103) and a shell fixing part (108), the brim fitting part (103) is accommodated into the brim of the helmet (6), the brim fitting part (103) is provided with a control key (107) on the surface parallel to the brim of the helmet (6), and the shell fixing part (108) is detachably connected with the helmet (6) through the fixing members.

3. The external module device of claim 1, wherein, The fixing members comprise one or more combinations of screws, magic adhesives, magnetic adhesives, double-sided adhesives or buckle mechanisms (7).

4. The external module device of claim 3, wherein, The buckle mechanism (7) comprises a buckle slot (701) arranged on the hardware assembly (1) or the battery assembly (2), a buckle protrusion (702) arranged on the helmet (6) and matched with the buckle slot (701), a buckle slot (703) arranged on the hardware assembly (1) or the battery assembly (2), and a buckle switch button (705) arranged on the helmet (6) and matched with the buckle slot (703), the buckle switch button (705) being movably arranged in a cavity (704) for accommodating the buckle switch button (705), the buckle protrusion (702) being buckled into the buckle slot (701), and the buckle switch button (705) being buckled into the buckle slot (703).

5. The external module device of claim 2, wherein, The hardware assembly (1) comprises a semi-open shell (111), and the shell (111) and the inner wall of the helmet (6) form a closed space.

6. The external module device of claim 5, wherein, The hardware assembly (1) is inserted with a functional assembly (4), the functional assembly (4) comprising a plug-in part (401), a preset part (402) fixedly connected with the plug-in part (401), a protective cover (403) for accommodating the preset part (402), a camera (404) and an illuminating lamp (405) being internally arranged in the preset part (402), the protective cover (403) being provided with a camera hole (406) and a lamp hole (407), a visual direction of the camera (404) being projected to the outside through the camera hole (406), an illuminating direction of the illuminating lamp (405) being projected to the outside through the lamp hole (407), and a tempered glass lens being arranged at the camera hole (406) and the lamp hole (407).

7. The external module device of claim 6, wherein, The microphone (104) is arranged on the shell fixing part (108), the USB interface (112), the loudspeaker (105) and the indicating lamp (106) for indicating the working state are arranged on the brim fitting part (103), the waterproof sound-permeable film is arranged on the inner side of the microphone (104), the power connection port (109) is arranged on the shell fixing part (108), and the waterproof cover plate (110) is arranged at the power connection port (109).

8. The external module device of claim 7, wherein, The hardware component (1) is internally provided with a transmission module and a storage module, the transmission module comprises a Bluetooth module, a WiFi module, a positioning module and a 4G communication module, and the positioning module supports GPS positioning and Beidou positioning.

9. The external module device of claim 8, wherein, The protection lining (5) is arranged between the hardware component (1) and the battery component (2), the protection lining (5) is arranged in an arc surface mode, the outer arc surface of the protection lining (5) is provided with magic paste, and the power supply connecting line (3) is arranged on the outer arc surface of the protection lining (5).

10. A smart helmet characterized in that, The helmet (6) is further provided with the external module device according to any one of claims 1-9, the rear end of the inner wall of the helmet (6) is provided with a containing groove (601) for containing the battery component (2), the inner wall of the helmet (6) is provided with an annular sealing groove (602) matched with the shell (111) of the hardware component (1), the annular sealing groove (602) is internally provided with a sealing rubber ring (603), and the helmet (6) is provided with a through hole (604) for inserting the plug-in part (401).

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