AR glasses convenient to disassemble, assemble and replace

Abstract

The utility model relates to AR (Augmented Reality) glasses convenient to disassemble, assemble and replace, which comprise a head band wearing piece, a device host and a main control computer, and the head band wearing piece and the main control computer are detachably connected with the device host; a supporting leg of the head hoop wearing piece is provided with an electric socket, and the main control computer is connected with the electric socket through a wire; a containing cavity is formed in the bottom of a shell of the device main machine, a detachable cavity cover plate is arranged in the containing cavity, and a double-diffraction optical machine assembly is detachably installed in the containing cavity. A detachable protective mirror is arranged at the bottom of a shell of the device host; a detachable thermal imaging lens assembly is arranged on the side face of the device host. The head hoop wearing piece can be detached from the device main machine to be replaced, the internal double-diffraction optical machine assembly is overhauled by opening the cavity cover plate of the accommodating cavity at the bottom of the device main machine, and the maintenance cost is reduced; a scratch-free protective mirror is easy to replace at the bottom of the device host; the thermal imaging lens assembly on the side face of the device host can be detached when not used and can be stored in a safe position, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of AR glasses, and in particular to an AR glasses that is easy to disassemble, assemble and replace. Background Art

[0002] Augmented Reality (AR) glasses are smart wearable devices that overlay digital information and virtual images directly onto the user's real field of view, allowing users to experience a new environment that blends the real world with digital content while maintaining their perception of the world around them.

[0003] Existing AR glasses are mostly fixed-structure designs with fixed, non-detachable connections between their components. This limits user customization, such as the inability to swap out different styles or colors for different mounting hardware. Repairs and replacements are also difficult and costly. For example, the dual-diffraction optical engine assembly that displays virtual content is integrated into the frame. If the virtual display malfunctions, the dual-diffraction optical engine assembly cannot be repaired or replaced separately; the entire AR glasses must be sent for inspection. Furthermore, the thermal imaging function of AR glasses may not be required in some scenarios, and the fixed structure of AR glasses prevents users from choosing the appropriate accessory based on their needs, resulting in limited product flexibility. Utility Model Content

[0004] In order to solve the problems of limited personalized needs, high maintenance costs and poor product flexibility in the existing AR glasses with an integrated fixed structure design, the utility model provides an AR glasses that is easy to disassemble, assemble and replace.

[0005] The technical solution of this utility model is as follows:

[0006] A pair of AR glasses that are easy to disassemble, assemble and replace, comprising a headband, a device host and a main control machine, wherein the headband and the main control machine are both detachably connected to the device host; one of the legs of the headband is provided with an electrical socket, and the main control machine is connected to the electrical socket wire; a housing is provided at the bottom of the housing of the device host, the housing is provided with a detachable chamber cover, and a double-diffraction optical machine assembly is detachably installed inside the housing; a detachable protective mirror is provided at the bottom of the housing of the device host, and the protective mirror is located on the front side of the housing; a detachable thermal imaging lens assembly is provided on the side of the device host.

[0007] By adopting the above technical solution, AR glasses achieve a modular detachable structure, and the headband wearing parts can be removed from the device host for replacement, allowing users to replace headband wearing parts of different styles or colors; the chamber cover of the accommodating cavity at the bottom of the device host can be opened, which is convenient for maintenance personnel to inspect or replace the double diffraction optical machine component; the protective mirror at the bottom of the device host can be removed and replaced, so that a new protective mirror can be replaced when the surface of the protective mirror is scratched, so as not to affect the user's front field of view, and replacing the new protective mirror is beneficial to protect the double diffraction optical machine component; the thermal imaging lens assembly on the side of the device host can be removed when not in use to reduce battery consumption, and the thermal imaging lens assembly that is not frequently used can also be stored in a safe place to extend its service life.

[0008] The utility model according to the above scheme is characterized in that the front shell of the headband wearing part is provided with an elastic protrusion and a plug-in male head located next to the elastic protrusion, and the back of the device host is provided with a card slot and a plug-in female head located next to the card slot. When the elastic protrusion is connected to the card slot, the plug-in male head is connected to the plug-in female head.

[0009] The utility model according to the above solution is characterized in that two studs are provided inside the accommodating chamber, and the chamber cover is correspondingly provided with bolt holes, and the bolt holes are connected to the studs by bolts.

[0010] Furthermore, the upper and lower ends of the double-diffraction optical mechanical assembly are provided with connecting ears with screw holes, and the connecting ears are correspondingly connected to the studs in the accommodating cavity.

[0011] The utility model according to the above scheme is characterized in that the dual-diffraction optical machine assembly includes a protective shell, an image output optical machine and a waveguide diffraction lens. The image output optical machine is placed in the protective shell. The back of the protective shell is provided with a mounting groove, and the waveguide diffraction lens can be detachably mounted on the mounting groove.

[0012] Furthermore, the protective shell includes an optical engine main shell, a shell side cover, and a shell back plate. The optical engine main shell has a cavity for installing the image output optical engine. The shell side cover can be detachably installed at the side opening of the optical engine main shell. The shell back plate can be detachably installed on the back of the protective shell.

[0013] The housing back plate is provided with a limiting groove corresponding to the mounting groove, and the limiting groove is spliced ​​with the mounting groove to fix the waveguide diffraction lens.

[0014] Furthermore, the optical machine main housing and the housing back plate are provided with corresponding screw holes and are detachably connected by screws; and a positioning pin is provided next to the screw hole of the housing back plate, and a pin hole corresponding to the positioning pin is provided on the back of the optical machine main housing, and the positioning pin is plugged into the pin hole.

[0015] Furthermore, the connecting ears of the double-diffraction optical machine assembly are located at the upper and lower ends of the optical machine main housing.

[0016] The utility model according to the above scheme is characterized in that an arc-shaped slot is provided at the bottom of the shell of the device host, a clamping block is provided on the inner wall of the shell adjacent to the arc-shaped slot, and a clamping slot is provided at the top of the protective mirror, and the clamping slot is detachably connected to the clamping block.

[0017] The utility model according to the above solution is characterized in that the thermal imaging lens assembly has a lens seat, a plug connector is provided on one side of the lens seat, the device host is correspondingly provided with a plug slot, and the plug connector is connected to the plug slot.

[0018] The utility model according to the above solution has the following beneficial effects:

[0019] The AR glasses of this utility model adopt a modular detachable structure. The headband wearing parts can be removed from the device host and replaced, allowing users to replace headband wearing parts of different styles or colors; by opening the chamber cover of the accommodating cavity at the bottom of the device host, technicians can inspect or replace the internal double-diffraction optical machine components, thereby reducing maintenance costs; the protective mirror at the bottom of the device host can be removed and replaced, so that a new protective mirror can be replaced when the surface of the protective mirror is scratched, so as not to affect the user's front field of view; the thermal imaging lens assembly on the side of the device host can be removed when not in use to reduce battery consumption, and the thermal imaging lens assembly can also be stored in a safe place to extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is a structural diagram from another perspective of the utility model without the main control unit;

[0022] Figure 3 This is an exploded view of the structure of the present utility model;

[0023] Figure 4 This is a schematic diagram of the assembly of the headband wearing piece and the device host;

[0024] Figure 5 A schematic diagram of the assembly of the headband and the device from another perspective;

[0025] Figure 6 for Figure 5 Enlarged view of part A;

[0026] Figure 7 Schematic diagram of the assembly of the double diffraction optical machine component and the device host;

[0027] Figure 8 This is an exploded diagram of the structure of the double-diffraction optical machine assembly;

[0028] Figure 9 This is a structural exploded diagram of the double-diffraction optical machine assembly from another perspective;

[0029] Figure 10 Schematic diagram of the structure of the thermal imaging lens assembly.

[0030] In the figure,

[0031] 1. Headband wearing part; 11. Elastic protrusion; 12. Electrical socket; 13. Concave arc structure; 14. Male connector;

[0032] 2. Device host; 21. Accommodating chamber; 211. Chamber cover; 22. Card slot; 221. Axis pin; 23. Arc-shaped slot; 24. Female connector;

[0033] 3. Dual-diffraction optical engine assembly; 31. Image output optical engine; 32. Waveguide diffraction lens; 321. Arc-shaped notch; 33. Optical engine main housing; 331. Square heat dissipation holes; 332. Circular light exit hole; 333. Mounting slot; 34. Housing side cover; 35. Housing back plate; 351. Limiting slot; 352. Convex arc surface; 353. Positioning pin;

[0034] 41. Camera; 42. Infrared LED fill light; 43. TOF sensor;

[0035] 5. Protective glasses; 51. Snap-fit ​​slot; 52. Support slot;

[0036] 6. Thermal imaging lens assembly; 61. Manual focus ring; 62. Lens mount; 63. Plug connector;

[0037] 7. Elastic band;

[0038] 8. Mobile charging power supply;

[0039] 9. Main control unit; 91. Data cable. DETAILED DESCRIPTION

[0040] To better understand the purpose, technical solutions, and technical effects of the present invention, the present invention is further explained below with reference to the accompanying drawings and embodiments. It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. It should also be noted that the embodiments described below are intended only to illustrate the present invention and are not intended to limit the present invention.

[0041] It should be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may also be an intermediate element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0042] The indicated orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the product of the application is typically placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, or the orientation or position relationship commonly placed when the product of the application is in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0043] The terms "first" and "second" are used only for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly specifying the number of technical features.

[0044] "Multiple" means two or more, unless clearly and specifically defined otherwise.

[0045] like Figures 1 to 3 As shown, a pair of AR glasses that are easily removable and replaceable comprises a headband 1, a main unit 2, and a main control unit 9. Both the headband 1 and the main control unit 9 are detachably connected to the main unit 2. By wearing the headband 1, the user secures the main unit 2 to the user's forehead. The main control unit 9 is connected to the electrical socket 12 of the main unit 2 via a data cable 91, enabling data transmission and reception with the main unit 2, as well as sending control commands to the main unit 2.

[0046] like Figures 4 to 6 As shown, in this embodiment, the front shell of the headband wearing part 1 is provided with an elastic protrusion 11 and a plug-in male connector 14 located next to the elastic protrusion 11. The plug-in male connector 14 is electrically connected to the built-in flexible circuit board of the headband wearing part 1; the back of the device main body 2 is provided with a card slot 22 and a plug-in female connector 24 located next to the card slot 22. The plug-in female connector 24 is electrically connected to the working main board. When the headband wearing part 1 and the device main body 2 are connected to the card slot through the elastic protrusion 11, the plug-in male connector is connected to the plug-in female connector, thereby achieving electrical connection between the headband wearing part 1 and the device main body 2. The elastic protrusion 11 is elastically connected to the inner wall of the headband wearing part 1. Specifically, the inner wall of the headband wearing part 1 is provided with a protruding shaft, and the elastic protrusion 11 is provided with a spring and a spring groove. The elastic connection between the elastic protrusion 11 and the inner wall of the headband wearing part 1 is achieved through the connection structure of the protruding shaft and the spring groove. The rear end of the elastic protrusion 11 is connected to a toggle lever, which can operate the elastic protrusion 11 to move downward, thereby disengaging from the card slot.

[0047] The headband wearing part of the present invention can be removed from the main unit of the device and replaced, so that the user can replace the headband wearing part with a different style or color. In an optional embodiment, an elastic band 7 is provided at the opening of the headband wearing part 1, and the two ends of the elastic band 7 are respectively connected to the supporting legs on both sides, and the elastic band 7 is used to adjust the tightness of the headband wearing part 1. Furthermore, the elastic band 7 is detachably provided with a mobile charging power supply 8. When the main unit of the device is out of power, the mobile charging power supply 8 can be plugged into the power socket 12 to charge the main unit of the device.

[0048] The end of one of the legs of the headband 1 is provided with an electrical socket 12, which is electrically connected to the working motherboard of the device host 2. A flexible circuit board is provided inside the headband 1, and a wiring channel is provided at the connection between the headband 1 and the device host 2. One end of the flexible circuit board is connected to the electrical socket 12, and the other end is electrically connected to the working motherboard via a connecting wire in the wiring channel.

[0049] In a specific embodiment, the main control machine 9 can be selected to have a size of 115×70×34mm, which is convenient for the operator to place the main control machine 9 in an arm pocket or a chest pocket. The main control machine 9 is provided with a microphone and stereo headphones. The main control board of the main control machine 9 integrates a processor, a cellular network module (4G / 5G), an image codec module and an audio codec module. The processor is used to coordinate the work of each module to process video and audio data. The main control machine 9 receives the audio and video data of the other party through the 4G / 5G network; the audio codec module decodes the received audio data stream and converts it into a playable audio signal, and the stereo headphones play the audio; the image codec module decodes the received video data stream and converts it into a displayable image frame, and the image output optical machine 31 outputs the image frame.

[0050] Camera 41 of device host 2 captures the video image in front of the user, which is then encoded by the processing unit and transmitted as a video data stream to host control unit 9. Host control unit 9 then collects the user's voice through a microphone and encodes it into an audio data stream. Host control unit 9 then transmits the audio and video data to the other party via the 4G / 5G network. Thus, by configuring host control unit 9, the present invention adds voice and video calling capabilities to AR glasses. Through a network connection, similar to live streaming, the image in front of the person is transmitted to the other party, enabling real-time communication.

[0051] In an optional embodiment, the main control unit 9 is provided with a display screen or a touch screen, with several buttons located below the screen. The display screen displays information including, but not limited to, network operator, network connection status, battery level, date, time, and text messages. The buttons include up, down, left, and right arrow keys and a confirmation key, facilitating operations such as setting settings, selecting items, and turning pages on the main control unit 9. If the screen is a touch screen, the user can perform the aforementioned operations via the touch screen.

[0052] The bottom center of the housing of the device main body 2 extends downward to form a housing cavity 21 for mounting the dual-diffraction optical mechanism assembly 3. The internal cavity of the device main body 2 communicates with the housing cavity 21, facilitating the wiring harness of the dual-diffraction optical mechanism assembly 3 to pass through the housing cavity 21 and into the internal cavity of the device main body 2 for electrical connection to the mainboard. The housing cavity 21 is equipped with a removable chamber cover 211. Two studs are positioned within the housing cavity 21, and corresponding bolt holes are provided in the chamber cover 211. The main housing 33 of the dual-diffraction optical mechanism assembly 3 is equipped with connecting ears with screw holes. The dual-diffraction optical mechanism assembly 3 is placed in the housing cavity 21 and the chamber cover 211 is installed. The screw holes of the studs, the screw holes of the connecting ears, and the bolt holes of the chamber cover 211 are aligned. Bolts are passed through from the outside to the inside, and tightened to secure the dual-diffraction optical mechanism assembly 3 within the housing cavity 21. The sidewalls of the housing cavity 21 and the chamber cover 211 are both provided with notches to accommodate the waveguide diffraction lens 32. By opening the chamber cover of the cavity at the bottom of the device main body, technicians can inspect or replace the internal double diffraction optical machine components, thereby reducing maintenance costs.

[0053] A transparent protective lens 5 is provided on the bottom front side of the device main body 2. The material of the protective lens 5 can be polycarbonate, which is impact-resistant and lightweight. The material of the protective lens 5 can also be glass, which has a higher hardness, a harder and smoother surface, and is less susceptible to scratches. The protective lens on the bottom of the device main body is removable and replaceable, so that if the surface of the protective lens is scratched, a new one can be replaced to avoid affecting the user's forward vision.

[0054] The bottom of the protective goggles 5 is provided with a support groove 52. When the user wears the AR glasses, the bridge of the nose is placed in the support groove 52, increasing the contact area between the nose bridge and the protective goggles 5, reducing the gravitational pressure of the protective goggles 5 on the nose bridge, and improving wearing comfort. Preferably, a flexible material such as silicone or sponge can be placed at the bottom of the support groove 52.

[0055] In a preferred embodiment, the protective glasses 5 are arc-shaped, the chord height of the protective glasses 5 is not less than 2 cm, and the width of the protective glasses 5 is greater than the width of the waveguide diffraction lens 32, so as to provide sufficient space for installing the dual-diffraction optical machine assembly 3 to avoid affecting the wearing; at the same time, the protective glasses 5 form a semi-enclosed protective structure on the front side of the dual-diffraction optical machine assembly 3.

[0056] like Figure 3 As shown, in an optional embodiment, an arc-shaped slot 23 is provided at the bottom of the shell of the device main body 2 corresponding to the position of the protective mirror 5, a snap-in block is provided on the inner wall of the shell adjacent to the arc-shaped slot 23, and a snap-in slot 51 is provided at the top of the protective mirror 5. The snap-in slots 51 correspond to the number and position of the snap-in blocks one by one. Through the above structure, the protective mirror 5 and the device main body 2 can be detachably installed, which is convenient for maintenance personnel to repair or replace the aged protective mirror 5.

[0057] like Figure 8 and Figure 9 As shown, in an optional embodiment, the dual-diffraction optical engine assembly 3 includes not only the image output optical engine 31 and the waveguide diffraction lens 32, but also includes: an optical engine main housing 33, a housing side cover 34, and a housing back plate 35. The optical engine main housing 33 has a cavity for installing the image output optical engine 31, and the cavity has a lateral opening. The housing side cover 34 can be detachably installed at the lateral opening of the optical engine main housing 33. The optical engine main housing 33 and the housing side cover 34 are assembled into a protective shell. A square heat dissipation hole 331 is provided on one side of the optical engine main housing 33, and a circular light exit hole 332 is provided on the other side of the opposite side. The square heat dissipation hole 331 and the circular light exit hole 332 are located on both sides of the lateral opening. The square heat dissipation hole 331 can provide a heat dissipation outlet for the image output optical engine 31 in the protective shell, which is beneficial for the discharge of heat generated by the image output optical engine 31 during operation. The size of the circular light outlet 332 is equal to the size of the light port of the image output optical machine 31, which can provide a larger light outlet for the image output optical machine 31 in the protective shell, and can meet the needs of the image output optical machine 31 to use a shorter focal length lens to achieve the same field of view, which is conducive to projecting the image onto the waveguide diffraction lens 32 at a close distance; not only that, the larger light outlet can pass more light, which helps to improve the overall brightness of the picture, thereby providing a clear virtual image.

[0058] The protective housing, formed by the main housing 33 of the optical engine and the housing side cover, has a mounting slot 333 for mounting the waveguide diffraction lens 32 on the side near the circular light exit 332. The housing back panel 35 has a corresponding retaining slot 351, which is adapted to the structure of the waveguide diffraction lens 32. The housing back panel 35 can be installed and removed from the protective housing, and the waveguide diffraction lens 32 is secured by the interlocking retaining slots 351 and mounting slots 333. Screw holes are provided at the upper and lower ends of the housing back panel 35. When maintaining or replacing the waveguide diffraction lens 32, the housing back panel 35 can be removed by screwing the screws, and then the waveguide diffraction lens 32 can be removed. When installing the waveguide diffraction lens 32, the combined structure of the retaining slots 351 and mounting slots 333 secures the waveguide diffraction lens 32, eliminating the need for complex lens adjustment and providing great convenience.

[0059] In a preferred embodiment, positioning pins 353 are provided on both sides of the upper and lower screw holes of the shell back plate 35, and corresponding pin holes are provided on the back of the optical machine main shell 33. When installing the shell back plate 35, the positioning pins 353 only need to be aligned and inserted into the pin holes to quickly complete the installation.

[0060] In a preferred embodiment, a curved notch 321 is provided on the lower middle portion of the waveguide diffraction lens 32. The width of the central lens only needs to cover the circular light exit aperture 332 to allow light to be smoothly coupled into the waveguide diffraction lens 32. The curved notch 321 not only serves as a positioning mechanism for installation, but also reduces lens material consumption, saving costs. Correspondingly, a convex curved surface 352 is provided at the lower end of the retaining groove 351 of the housing backplate 35. The convex curved surface 352 mates with the lower surface of the curved notch 321 of the waveguide diffraction lens 32, ensuring a stable installation of the waveguide diffraction lens 32.

[0061] In this utility model, a removable thermal imaging lens assembly 6 is installed on the side of the device main unit 2. The thermal imaging lens assembly 6 generates images by detecting infrared radiation (heat) emitted by objects, which can display the temperature distribution of different objects. Using the temperature information captured by the thermal imaging lens, the AR glasses system can overlay virtual information such as temperature readings and alarm prompts in the user's field of view. The thermal imaging lens assembly on the side of the device main unit can be removed when not in use to reduce battery consumption. The thermal imaging lens assembly can also be stored in a safe location to extend its service life.

[0062] like Figure 3 and Figure 10 As shown, in an optional embodiment, the thermal imaging lens assembly 6 includes a lens mount 62, with a plug connector 63 provided on one side of the lens mount 62. The device host 2 has a corresponding plug slot. Through the connection structure between the plug connector 63 and the plug slot, the thermal imaging lens assembly 6 is detachably connected to the device host 2, and the device host 2 draws power. This embodiment allows users to select AR glasses products based on their actual needs, providing greater flexibility. It also helps reduce maintenance costs. If the thermal imaging lens fails or is damaged, the thermal imaging lens assembly 6 can be simply replaced instead of the entire device.

[0063] The thermal imaging lens assembly 6 is provided with a manual focus ring 61, which can be rotated to adjust the focal length of the thermal imaging lens to obtain the desired clarity. The clarity of the thermal image directly affects the user's ability to identify and analyze details. For example, in detail recognition, a clear image can help users more accurately identify and distinguish different objects or areas. For example, in industrial inspections, a clear image can more easily detect hot spots or defects in equipment. In addition, because the autofocus system may be affected in certain extreme environments (such as high temperature, high humidity, low light, etc.), thermal imaging lenses with manual focus functions are more reliable in high-temperature fire scenes.

[0064] like Figure 1As shown, in a preferred embodiment, a camera 41 is provided in the middle of the front side of the device main body 2. The camera 41 is used to capture real-world images of the surrounding environment. The processing unit performs computational processing to achieve spatial positioning and three-dimensional mapping of the surrounding environment. Based on the real-world images captured by the camera 41, the AR glasses can overlay virtual information or graphics on them in real time. The captured data obtained by the camera 41 can be stored in the storage unit and can also be transmitted to other devices or uploaded to the cloud via a wireless network or mobile network.

[0065] Infrared LED fill lights 42 are provided on both sides of the camera 41. In a completely dark environment, the infrared light emitted by the infrared LED fill lights 42 illuminates the object, and the CCD or CMOS sensor in the camera 41 captures the reflected infrared light and converts it into an image, thereby enabling the camera 41 to have an infrared night vision function.

[0066] A time-of-flight (TOF) sensor 43 is located in the center of the front side of the device 2, below the camera 41. This sensor measures the distance between objects and the sensor in real time. It measures a distance value for each point in the field of view, generating a complete depth map. This depth map displays the depth information at each location, i.e., the actual distance corresponding to each pixel. This depth map is further processed, and the AR glasses system uses it to reconstruct the user's surrounding three-dimensional environment, allowing for the placement of virtual objects and other operations.

[0067] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the concept of the present invention, and these variations and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. An AR glasses that is easy to disassemble, assemble and replace, characterized in that: It includes a headband, a device host and a main control machine, wherein the headband and the main control machine are both detachably connected to the device host; one leg of the headband is provided with an electrical socket, and the main control machine is connected to the electrical socket wire; The bottom of the housing of the device main body is provided with a receiving cavity, the receiving cavity is provided with a detachable cavity cover, and a double diffraction optical machine component is detachably installed inside the receiving cavity; A detachable protective mirror is provided at the bottom of the housing of the device main body, and the protective mirror is located at the front side of the accommodating cavity; A detachable thermal imaging lens assembly is provided on the side of the device main body.

2. The AR glasses that are easy to disassemble, assemble and replace according to claim 1, characterized in that: The front shell of the headband wearing component is provided with an elastic protrusion and a plug-in male head located next to the elastic protrusion, and the back of the device host is provided with a card slot and a plug-in female head located next to the card slot. When the elastic protrusion is connected to the card slot, the plug-in male head is connected to the plug-in female head.

3. The AR glasses that are easy to disassemble, assemble and replace according to claim 1, characterized in that: Two studs are provided inside the accommodating cavity, and the cavity cover plate is correspondingly provided with bolt holes, and the bolt holes are connected to the studs through bolts.

4. The AR glasses that are easy to disassemble, assemble and replace according to claim 3, characterized in that: The upper and lower ends of the double-diffraction optical machine component are provided with connecting ears with screw holes, and the connecting ears are correspondingly connected to the studs in the accommodating cavity.

5. The AR glasses that are easy to disassemble, assemble and replace according to claim 1, characterized in that: The dual-diffraction optical machine assembly includes a protective shell, an image output optical machine and a waveguide diffraction lens. The image output optical machine is placed in the protective shell. A mounting groove is provided on the back of the protective shell, and the waveguide diffraction lens can be detachably mounted on the mounting groove.

6. The AR glasses that are easy to disassemble, assemble and replace according to claim 5, characterized in that: The protective shell includes an optical engine main shell, a shell side cover, and a shell back plate. The optical engine main shell has a cavity for installing the image output optical engine. The shell side cover can be detachably installed at the side opening of the optical engine main shell. The shell back plate can be detachably installed on the back of the protective shell. The housing back plate is provided with a limiting groove corresponding to the mounting groove, and the limiting groove is spliced ​​with the mounting groove to fix the waveguide diffraction lens.

7. The AR glasses that are easy to disassemble, assemble and replace according to claim 6, characterized in that: The optical machine main housing and the housing back plate are provided with corresponding screw holes and are detachably connected by screws; and a positioning pin is provided next to the screw hole of the housing back plate, and a pin hole corresponding to the positioning pin is provided on the back of the optical machine main housing, and the positioning pin is plugged into the pin hole.

8. The AR glasses that are easy to disassemble, assemble and replace according to claim 7, characterized in that: The connecting ears of the double-diffraction optical machine assembly are located at the upper and lower ends of the optical machine main housing.

9. The AR glasses that are easy to disassemble, assemble and replace according to claim 1, characterized in that: An arc-shaped slot is provided at the bottom of the shell of the device host, a clamping block is provided on the inner wall of the shell adjacent to the arc-shaped slot, and a clamping slot is provided at the top of the protective mirror. The clamping slot is detachably connected to the clamping block.

10. The AR glasses that are easy to disassemble, assemble and replace according to claim 1, characterized in that: The thermal imaging lens assembly has a lens seat, one side of the lens seat is provided with a plug connector, the device host is correspondingly provided with a plug slot, and the plug connector is connected to the plug slot.

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