MR / AR head-mounted display

Abstract

The utility model discloses an MR / AR head-mounted display, and relates to the technical field of AR and MR equipment, the MR / AR head-mounted display comprises a head-mounted display body, a button assembly, first rotating joints, second rotating joints, an elastic support, an eye distance adjusting mechanism and an open type dynamic earphone, the two sides of the head-mounted display body are movably connected with the first rotating joints, and the eye distance adjusting mechanism is installed in the first rotating joints. The first rotating joint is movably connected with a telescopic frame through an eye distance adjusting mechanism, one side of the telescopic frame is movably connected with second rotating joints, battery holders are installed between the second rotating joints, and a head circumference adjusting mechanism is installed between the battery holders; when a user rotates the eye distance adjusting knob, the eye distance adjusting knob can drive the transmission wheel on the rotating shaft to rotate, the transmission wheel is meshed with the transmission rack through a gear of the transmission wheel, the transmission rack can slide along the sliding rail, the transmission rack moves to drive the telescopic frame connected to the sliding rail to move front and back, and the eye distance of a display screen of the head display body is changed. The distance between the display screen and eyes can be accurately adjusted to obtain the best visual experience.

Description

Technical Field

[0001] The utility model relates to the technical field of AR and MR equipment, in particular to an MR / AR head display. Background Art

[0002] MR / AR head-mounted display (HMD) is a wearable device that implements AR (Augmented Reality, also known as mixed reality) technology and can be worn on the human head for display. It utilizes AR (augmented reality) and VR (virtual reality) technologies to display virtual information or objects in the real world, and can follow the user's movement to achieve interaction, superimposing virtual information on the real world, so that the real environment and virtual objects can be superimposed on the same screen in real time, realizing the mutual complementation of the two information, and displaying the image in front of the user through devices such as helmet displays, thereby enhancing the user's sense of reality. It can superimpose virtual data on the real-time image captured by the camera and display the image in front of the human eye through a micro-projection device, thereby realizing a variety of application functions, such as navigation or displaying the parameters of surrounding buildings.

[0003] However, existing MR / AR headsets can cause discomfort and visual fatigue, which can affect users' willingness to use them for extended periods and reduce overall satisfaction. Complex operations can cause users to waste time and affect work or entertainment efficiency when frequent adjustments to eye distance or external interactions are required. Inconvenient battery replacement and usage restrictions in strong light environments can cause users to choose not to use the device, reducing its frequency of use and practical value. Furthermore, the inconvenience of adjusting the device to accommodate different head shapes and weights can lead to inconvenience, discomfort, or even device slippage, impacting the user experience. Therefore, those skilled in the art have provided MR / AR headsets to address the problems raised in the above-mentioned background technology. Utility Model Content

[0004] The purpose of the present invention is to provide an MR / AR head display to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An MR / AR headset includes a headset body, a button assembly, a first rotating joint, a second rotating joint, an elastic bracket, an eye distance adjustment mechanism, and open dynamic headphones. The first rotating joints are movably connected to both sides of the headset body, and the eye distance adjustment mechanism is installed in the first rotating joints. The first rotating joint is movably connected to a telescopic frame through the eye distance adjustment mechanism. The second rotating joint is movably connected to one side of the telescopic frame. A battery holder is installed between the second rotating joints. A replaceable battery is clamped on the battery holder. The head circumference adjustment mechanism is installed between the battery holders. Elastic brackets are provided on both sides of the second rotating joint close to the telescopic frame. The elastic bracket has a C-shaped open-loop structure.

[0007] As a further solution of the present invention: the eye distance adjustment mechanism includes a first adjustment slot, a rotating shaft, a transmission wheel, a transmission rack, a limit slot, a slide rail, a limit rod and a eye distance adjustment knob. The first adjustment slot is opened inside the first rotating joint, the first adjustment slot is provided with a rotating shaft, the rotating shaft is movably connected to the transmission wheel, one side of the transmission wheel is fixedly connected to the eye distance adjustment knob on the rotating shaft, the first adjustment slot is provided with a slide rail, and the slide rail is slidably connected to the telescopic frame.

[0008] As a further solution of the present invention: the telescopic frame is provided with a transmission rack in the first adjustment groove, the gears between the transmission rack and the transmission wheel are engaged with each other, a limiting groove is provided on the surface of the transmission rack, and a limiting rod is fixedly connected in the first adjustment groove, and the limiting rod is located in the limiting groove.

[0009] As a further solution of the present invention: a detachable light shield is provided on one side of the head display body, and a cooling chamber is provided on the side of the head display body away from the light shield, a cooling groove is provided in the cooling chamber, and a heat insulation plate is provided on the side of the cooling groove close to the head display body, and a plurality of heat dissipation holes are provided at equal distances on the surface of the cooling chamber.

[0010] As a further solution of the present invention: rotation grooves are provided on both sides of the second rotation joint, and the second rotation joint is movably connected to the telescopic frame through the rotation grooves.

[0011] As a further solution of the present invention: display screens are provided on both sides below the head display body, signal lights are symmetrically provided on the surface of the head display body, and cameras are symmetrically provided on the surface of the head display body below the signal lights, and signals are connected between the cameras, signal lights and display screens.

[0012] As a further solution of the present invention: the head-mounted display body is provided with a fill light, a laser and a photoreceptor in sequence from left to right on the upper side of the signal light, the display screen is electrically connected to the replaceable battery, and button assemblies are symmetrically provided on both sides of the head-mounted display body near the first rotation joint.

[0013] As a further solution of the present invention: the head circumference adjustment mechanism includes a second adjustment slot, an adjustment soft plate, a driving wheel, a head circumference adjustment knob and a movable rod. A battery seat is provided on the side of the second rotating joint close to the replaceable battery, a second adjustment slot is provided in the battery seat, a movable rod is movably connected in the second adjustment slot, a driving wheel is provided on the movable rod in the second adjustment slot, and the movable rod passes through a head circumference adjustment knob on one side of the battery seat.

[0014] As a further solution of the present invention: an adjustment soft plate is provided on one side of the second rotating joint on both sides, the adjustment soft plate is located inside the second adjustment groove, and the side of the adjustment soft plate close to the driving wheel is a rack structure, and the gears between the adjustment soft plate and the driving wheel are engaged with each other.

[0015] As a further solution of the present invention: a limit frame is arranged inside the telescopic frame, limit blocks are arranged on both sides of the limit frame, a damping shaft is arranged in the middle of the limit frame, and the limit frame is movably connected to the open dynamic earphone through the damping shaft.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] When the user rotates the eye distance adjustment knob, the knob drives the transmission wheel on the rotating shaft to rotate. The transmission wheel engages with the transmission rack through its gear, and the transmission rack slides along the slide rail. The movement of the transmission rack drives the telescopic frame connected to the slide rail to move back and forth, changing the eye distance of the head display. The limit rod on the limit slot ensures that the transmission rack moves within the specified range, thereby controlling the maximum and minimum adjustment distances to avoid exceeding the designed range. The user can precisely adjust the distance between the display and the eyes for the best visual experience. Integrating the eye distance adjustment function into the head display avoids external adjustment devices, reduces the complexity of the appearance, and improves the aesthetics and user convenience. The eye distance adjustment mechanism allows the user to precisely adjust the distance between the display and the eyes, reducing visual fatigue and discomfort. The design of the eye distance adjustment knob and gear system makes the adjustment process intuitive and easy, allowing users to quickly adapt and adjust. By precisely adjusting the eye distance, users can wear the head display more comfortably and adapt to different vision needs and usage environments.

[0018] The telescopic stand allows users to easily interact with the outside world without having to completely remove the headset. During use, they can quickly switch to the real environment for communication or operation, which improves the convenience of use. The entire headset body is allowed to flip or lift up, so that the user can lift the headset to an open state when needed, thereby enabling interaction with the outside world without affecting the wearing of the device. At the same time, by adjusting the rotation, the headset body rotates on the first rotation joint to adjust the eye angle. Users can adapt to different visual scenes according to personal needs, thereby enhancing the personalized experience, allowing the headset to play a role in various occasions such as work, entertainment, and social interaction, and increasing the frequency and value of device use. By optimizing the wearing experience and quick switching, users can reduce fatigue during long-term use, thereby extending the usage time.

[0019] In strong light environments, the headset may cause unclear vision and even affect the appearance and function of the device, which may increase the difficulty of use especially for female users. The device's hood can be removed to block external light when needed, realizing the switching of MR, AR and VR visual function experience. During use, the presence of the heat dissipation holes helps release the heat generated by the headset to the outside to avoid overheating. The heat dissipation holes also allow air to flow, taking away moisture or heat generated inside the headset body, and keeping the internal environment of the headset stable and comfortable.

[0020] The replaceable battery provides the convenience of battery replacement, allowing users to replace the battery during long-term use without stopping the device or disassembling the entire headset. Users can easily replace the battery without using special tools, which not only improves the battery life of the device but also simplifies the maintenance process. The fill light is used to provide additional lighting for the camera in low-light environments to ensure that the camera can capture clear images. The laser may be used for depth measurement, three-dimensional scanning or augmented reality projection. The photoreceptor is used to detect the intensity of ambient light and automatically adjust the brightness of the fill light to adapt to different lighting conditions. The button assembly allows the user to perform various operations and setting adjustments of the device, provides a convenient operation interface, and improves the user's operating experience and the ease of use of the device.

[0021] The C-shaped open-loop bracket provides a stable fixing platform while allowing a certain degree of flexibility. This design ensures that the headset is more stable during wearing, reduces deviation or shaking caused by head movement, enables the bracket to firmly support the entire device, and has sufficient durability to withstand the pressure of long-term use, making the wearing experience more comfortable and greatly improving its ergonomic characteristics.

[0022] The limit frame and damping shaft inside the telescopic frame allow the open dynamic headphones to be flexibly adjusted and used, providing a personalized audio experience. Users can adjust the sound field effect of the headphones according to their personal needs, while ensuring the stability of the headphones during wearing to meet the user's requirements for sound quality and comfort.

[0023] When the head circumference adjustment knob is rotated, the movable rod rotates in the second adjustment slot, driving the driving wheel to rotate accordingly. The surfaces of the adjustment soft plates on both sides are designed with rack structures. These rack structures engage with the gears on the driving wheel. The rotation of the driving wheel is transmitted to the adjustment soft plate through the gears, so that the adjustment soft plate can move horizontally along the second adjustment slot, limiting the movement range of the adjustment soft plate and preventing it from exceeding the preset range, thereby adjusting the size of the head circumference and avoiding wearing discomfort caused by different head shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of the structure of MR / AR headset.

[0025] Figure 2 This is a front view of the entire MR / AR headset.

[0026] Figure 3 A top view of the entire MR / AR headset.

[0027] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure in the AA direction.

[0028] Figure 5 This is a schematic diagram of the structure of the head display body in the MR / AR head display.

[0029] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure along the BB direction.

[0030] Figure 7 Schematic diagram of the coordination between open dynamic headphones and the limit frame in MR / AR headsets.

[0031] Figure 8 Schematic diagram of the coordination between the second rotational joint and the replaceable battery in an MR / AR headset.

[0032] Figure 9 This is a schematic diagram of the structure of the head circumference adjustment mechanism in the MR / AR headset.

[0033] Figure: 1. Head-mounted display (HMD); 2. Button assembly; 3. First rotation joint; 4. Second rotation joint; 5. Elastic bracket; 6. Eye distance adjustment mechanism; 601. First adjustment slot; 602. Rotating shaft; 603. Drive wheel; 604. Drive rack; 605. Limit slot; 606. Slide rail; 607. Limit rod; 608. Eye distance adjustment knob; 7. Signal light; 8. Head circumference adjustment mechanism; 801. Second adjustment slot; 802. Adjustment soft board; 803. , driving wheel; 804, head circumference adjustment knob; 805, movable rod; 9, camera; 10, telescopic frame; 11, cooling chamber; 12, open dynamic headphones; 13, limit frame; 14, limit block; 15, damping shaft; 16, hood; 17, display; 18, heat shield; 19, cooling tank; 20, heat dissipation hole; 21, rotation slot; 22, replaceable battery; 23, photoreceptor; 24, battery holder; 25, fill light; 26, laser. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Example 1

[0036] Reference Figures 1 to 4 This embodiment provides an MR / AR head display, including a head display body 1, a button assembly 2, a first rotation joint 3, a second rotation joint 4, an elastic bracket 5, an eye distance adjustment mechanism 6, and an open dynamic earphone 12. The head display body 1 is movably connected to the first rotation joint 3 on both sides, and the eye distance adjustment mechanism 6 is installed in the first rotation joint 3. The first rotation joint 3 is movably connected to the telescopic frame 10 through the eye distance adjustment mechanism 6. The telescopic frame 10 is movably connected to the second rotation joint 4 on one side. A battery holder 24 is installed between the second rotation joints 4, and a replaceable battery 22 is clamped on the battery holder 24. A head circumference adjustment mechanism 8 is installed between the battery holders 24. The second rotation joint 4 is provided with an elastic bracket 5 on the side close to the telescopic frame 10. The elastic bracket 5 has a C-shaped open loop structure.

[0037] In this embodiment, specifically, the eye distance adjustment mechanism 6 includes a first adjustment slot 601, a rotating shaft 602, a transmission wheel 603, a transmission rack 604, a limiting slot 605, a slide rail 606, a limiting rod 607 and an eye distance adjustment knob 608. The first rotating joint 3 has a first adjustment slot 601 opened inside, a rotating shaft 602 is provided in the first adjustment slot 601, a transmission wheel 603 is movably connected to the rotating shaft 602, and a transmission wheel 603 is fixedly connected to the rotating shaft 602 on one side of the transmission wheel 603. A slide rail 606 is provided in the first adjustment slot 601, and a telescopic frame 10 is slidably connected to the slide rail 606;

[0038] The telescopic frame 10 is provided with a transmission rack 604 in the first adjustment slot 601. The transmission rack 604 and the transmission wheel 603 are meshed with each other. A limiting slot 605 is provided on the surface of the transmission rack 604. A limiting rod 607 is fixedly connected to the first adjustment slot 601 and the limiting rod 607 is located in the limiting slot 605.

[0039] When the user rotates the eye distance adjustment knob 608, the eye distance adjustment knob 608 drives the transmission wheel 603 on the rotating shaft 602 to rotate, and the transmission wheel 603 engages with the transmission rack 604 through its gear, and the transmission rack 604 slides along the slide rail 606. The movement of the transmission rack 604 drives the telescopic frame 10 connected to the slide rail 606 to move back and forth, changing the eye distance of the display screen 17 of the head display body 1. The limit rod 607 on the limit slot 605 ensures that the transmission rack 604 moves within the specified range, thereby controlling the maximum and minimum adjustment distances to avoid exceeding the design range. The user can accurately adjust the display screen 17. The distance between the display screen 17 and the eyes is adjusted to obtain the best visual experience. The eye distance adjustment function is integrated into the head display body 1, avoiding external adjustment devices, reducing the complexity of the appearance, and improving the aesthetics and user convenience of operation. Through the eye distance adjustment mechanism 6, the user can accurately adjust the distance between the display screen 17 and the eyes to reduce visual fatigue and discomfort. The design of the eye distance adjustment knob 608 and the gear system makes the adjustment process intuitive and easy. The user can quickly adapt and adjust. By accurately adjusting the eye distance, the user can wear the head display more comfortably and adapt to different vision needs and usage environments.

[0040] Example 2

[0041] Reference Figures 1 to 8 This embodiment is based on the previous embodiment and differs from the previous embodiment in that a detachable light shield 16 is provided on one side of the head display body 1, and a cooling chamber 11 is provided on the side of the head display body 1 away from the light shield 16. A cooling tank 19 is provided in the cooling chamber 11, and a heat insulation plate 18 is provided on the side of the cooling tank 19 close to the head display body 1, and a plurality of heat dissipation holes 20 are provided on the surface of the cooling chamber 11 at equal intervals;

[0042] The second rotating joint 4 is provided with rotating grooves 21 on both sides, and the second rotating joint 4 is movably connected to the telescopic frame 10 through the rotating grooves 21;

[0043] The telescopic frame 10 allows the user to conveniently interact with the outside world without having to completely remove the head display body 1. During use, the user can quickly switch to the real environment for communication or operation, thereby improving the convenience of use. The entire head display body is allowed to be flipped upward or lifted, so that the user can lift the head display to an open state when needed, thereby enabling interaction with the outside world without affecting the wearing of the device. At the same time, by adjusting the rotation, the head display body 1 is rotated on the first rotation joint 3 to adjust the eye angle. The user can adapt to different visual scenes according to personal needs, thereby enhancing the personalized experience. The head display can be used in various occasions such as work, entertainment, and social interaction, and the frequency and value of device use are increased. By optimizing the wearing experience and fast switching, users can reduce fatigue during long-term use, thereby extending the usage time.

[0044] Display screens 17 are provided on both sides below the head display body 1, signal lights 7 are symmetrically provided on the surface of the head display body 1, and cameras 9 are symmetrically provided on the surface of the head display body 1 below the signal lights 7. Signal connections are provided between the camera 9, the signal lights 7 and the display screen 17;

[0045] The head-mounted display (HMD) body 1 is provided with a fill light 25, a laser 26, and a photoreceptor 23, sequentially from left to right, above the signal light 7. The display screen 17 is electrically connected to a replaceable battery 22. Furthermore, button assemblies 2 are symmetrically provided on both sides of the HMD body 1 near the first rotation joint 3.

[0046] The telescopic frame 10 is provided with a limit frame 13 inside, with limit blocks 14 on both sides of the limit frame 13, and a damping shaft 15 is provided in the middle of the limit frame 13. The limit frame 13 is movably connected to the open dynamic earphone 12 through the damping shaft 15;

[0047] In strong light environments, the headset may cause unclear vision and even affect the appearance and function of the device, which may increase the difficulty of use for female users. The device's hood is removable to block external light when needed, enabling switching between MR, AR, and VR visual functions. During use, the presence of heat dissipation holes helps release heat generated by the headset to the outside to prevent overheating. The heat dissipation holes also allow air to flow, removing moisture or heat generated inside the headset body, maintaining a stable and comfortable internal environment.

[0048] The replaceable battery 22 provides the convenience of battery replacement, allowing users to replace the battery during long-term use without having to stop using the device or disassembling the entire head display. Users can easily replace the battery without using special tools, which not only improves the battery life of the device but also simplifies the maintenance process. The fill light 25 is used to provide additional lighting for the camera 9 in low-light environments to ensure that the camera can capture clear images. The laser 26 may be used for depth measurement, three-dimensional scanning, or augmented reality projection. The photoreceptor 23 is used to detect the intensity of ambient light and automatically adjust the brightness of the fill light 25 to adapt to different lighting conditions. The button assembly 2 allows the user to perform various operations and settings of the device, providing a convenient operation interface, improving the user's operating experience and the ease of use of the device.

[0049] The C-shaped open-loop bracket provides a stable fixing platform while allowing a certain degree of flexibility. This design ensures that the headset is more stable during wear, reduces deviation or shaking caused by head movement, and enables the bracket to firmly support the entire device. It is also durable enough to withstand the pressure of long-term use, making the wearing experience more comfortable and greatly improving its ergonomics.

[0050] The limit frame 13 and damping shaft 15 in the telescopic frame 10 enable the open dynamic earphones 12 to be flexibly adjusted and used, providing a personalized audio experience, allowing users to adjust the sound field effect of the earphones according to their personal needs, while ensuring the stability of the earphones during wearing to meet the user's requirements for sound quality and comfort.

[0051] Example 3

[0052] Reference Figure 9 This embodiment is based on the previous embodiment and differs from the previous embodiment in that the head circumference adjustment mechanism 8 includes a second adjustment slot 801, an adjustment soft plate 802, a driving wheel 803, a head circumference adjustment knob 804 and a movable rod 805. A battery holder 24 is provided on the side of the second rotation joint 4 close to the replaceable battery 22. A second adjustment slot 801 is provided in the battery holder 24. A movable rod 805 is movably connected in the second adjustment slot 801. The movable rod 805 is provided with a driving wheel 803 in the second adjustment slot 801, and the movable rod 805 passes through a side of the battery holder 24 and a head circumference adjustment knob 804 is provided.

[0053] An adjustment soft plate 802 is provided on one side of the second rotating joint 4 on both sides. The adjustment soft plate 802 is located inside the second adjustment slot 801, and the side of the adjustment soft plate 802 close to the driving wheel 803 is a rack structure, and the gears between the adjustment soft plate 802 and the driving wheel 803 are engaged with each other.

[0054] When the head circumference adjustment knob 804 rotates, the movable rod 805 rotates in the second adjustment slot 801, driving the driving wheel 803 to rotate accordingly. The surfaces of the adjustment soft plates 802 on both sides are designed with rack structures, which engage with the gears on the driving wheel 803. The rotation of the driving wheel 803 is transmitted to the adjustment soft plate 802 through the gears, so that the adjustment soft plate 802 can move horizontally along the second adjustment slot 801, limiting the moving range of the adjustment soft plate 802 and preventing it from exceeding the preset range, thereby adjusting the size of the head circumference and avoiding wearing discomfort caused by different head shapes.

[0055] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0056] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. MR / AR head display, characterized by: The invention comprises a head display body (1), a button assembly (2), a first rotating joint (3), a second rotating joint (4), an elastic bracket (5), an eye distance adjustment mechanism (6) and an open dynamic earphone (12), wherein the head display body (1) is movably connected to the first rotating joint (3) on both sides, and the eye distance adjustment mechanism (6) is installed in the first rotating joint (3), the first rotating joint (3) is movably connected to the telescopic frame (10) through the eye distance adjustment mechanism (6), the telescopic frame (10) is movably connected to the second rotating joint (4) on one side, a battery holder (24) is installed between the second rotating joints (4), a replaceable battery (22) is clamped on the battery holder (24), and a head circumference adjustment mechanism (8) is installed between the battery holders (24), and the second rotating joint (4) is provided with an elastic bracket (5) on one side close to the telescopic frame (10), and the elastic bracket (5) is a C-shaped open loop structure.

2. The MR / AR head display according to claim 1, wherein The eye distance adjustment mechanism (6) comprises a first adjustment slot (601), a rotating shaft (602), a transmission wheel (603), a transmission rack (604), a limiting slot (605), a slide rail (606), a limiting rod (607) and an eye distance adjustment knob (608). The first rotating joint (3) is provided with a first adjustment slot (601). A rotating shaft (602) is provided in the first adjustment slot (601). The rotating shaft (602) is movably connected to the transmission wheel (603). One side of the transmission wheel (603) is fixedly connected to the rotating shaft (602) with the eye distance adjustment knob (608). A slide rail (606) is provided in the first adjustment slot (601). The slide rail (606) is slidably connected to the telescopic frame (10).

3. The MR / AR head display according to claim 2, wherein: The telescopic frame (10) is provided with a transmission rack (604) in the first adjustment slot (601), the transmission rack (604) and the transmission wheel (603) are meshed with each other, a limiting slot (605) is provided on the surface of the transmission rack (604), and a limiting rod (607) is fixedly connected in the first adjustment slot (601), and the limiting rod (607) is located in the limiting slot (605).

4. The MR / AR head display according to claim 1, wherein: A shading hood (16) is detachably provided on one side of the head display body (1), and a cooling chamber (11) is provided on the side of the head display body (1) away from the shading hood (16), a cooling groove (19) is provided in the cooling chamber (11), and a heat insulation plate (18) is provided on the side of the cooling groove (19) close to the head display body (1), and a plurality of heat dissipation holes (20) are provided on the surface of the cooling chamber (11) at equal distances.

5. The MR / AR head display according to claim 1, wherein: Rotation slots (21) are provided on both sides of the second rotation joint (4), and the second rotation joint (4) is movably connected to the telescopic frame (10) via the rotation slots (21).

6. The MR / AR head display according to claim 1, wherein: Display screens (17) are provided on both sides below the head display body (1), signal lights (7) are symmetrically provided on the surface of the head display body (1), and cameras (9) are symmetrically provided on the surface of the head display body (1) below the signal lights (7), and signals are connected between the cameras (9), the signal lights (7) and the display screen (17).

7. The MR / AR head display according to claim 6, wherein: The head-mounted display body (1) is provided with a fill light (25), a laser (26) and a photoreceptor (23) in sequence from left to right on the upper side of the signal light (7), the display screen (17) is electrically connected to the replaceable battery (22), and button assemblies (2) are symmetrically provided on both sides of the head-mounted display body (1) near the first rotating joint (3).

8. The MR / AR head display according to claim 1, wherein: The head circumference adjustment mechanism (8) comprises a second adjustment slot (801), an adjustment soft plate (802), a driving wheel (803), a head circumference adjustment knob (804) and a movable rod (805); a battery holder (24) is provided on a side of the second rotation joint (4) close to the replaceable battery (22); a second adjustment slot (801) is provided in the battery holder (24); a movable rod (805) is movably connected in the second adjustment slot (801); the movable rod (805) is provided with a driving wheel (803) in the second adjustment slot (801); and the movable rod (805) passes through a side of the battery holder (24) on which the head circumference adjustment knob (804) is provided.

9. The MR / AR head display according to claim 8, characterized in that An adjustment soft plate (802) is provided on one side of the second rotating joint (4) on both sides. The adjustment soft plate (802) is located inside the second adjustment slot (801), and a side of the adjustment soft plate (802) close to the driving wheel (803) is in a rack structure, and gears are meshed between the adjustment soft plate (802) and the driving wheel (803).

10. The MR / AR head display according to claim 1, wherein: A limiting frame (13) is provided inside the telescopic frame (10), limiting blocks (14) are provided on both sides of the limiting frame (13), a damping shaft (15) is provided in the middle of the limiting frame (13), and the limiting frame (13) is movably connected to the open dynamic earphone (12) via the damping shaft (15).

Images