A head-mounted AR device

Abstract

The utility model discloses a helmet formula AR equipment belongs to AR equipment technical field, this helmet formula AR equipment, including helmet body and the micro -projection system of the upper facial part use direction at it, be provided with both sides balance mechanism on the helmet body, both sides balance mechanism includes moving assembly and drive assembly, moving assembly is under the control of drive assembly, realizes AR equipment normal switching. The utility model discloses through design drive assembly and moving assembly, when the helmet formula AR equipment works, change traditional up and down push type design, make lens shift to both sides of ear, can make weight distribution more even, reduce the pressure to the top of head to improve the comfort of wearing.

Description

Technical Field

[0001] This utility model relates to the field of AR device technology, and in particular to a helmet-mounted AR device. Background Technology

[0002] Head-mounted augmented reality (AR) devices are a technology that overlays virtual information onto the real world using hardware worn on the user's head. These devices typically consist of a display, sensors, a processing unit, and input devices. They capture environmental information in real time and present virtual content to the user's field of vision through a display screen or optical system, creating an immersive interactive experience. The core technologies of head-mounted AR devices include computer vision, image recognition, location tracking, and depth perception. These technologies accurately identify the user's environment, position, and actions, enabling interaction with virtual objects.

[0003] Although helmet-mounted AR devices have shown great application potential in many fields, the display modules in existing designs usually rely on an up-and-down pushing method. While this structure solves the visual display needs to some extent, it also brings problems such as wearing comfort and uneven weight distribution. This can lead to issues such as obstructed vision and forward tilting of the helmet during wear, thereby reducing the comfort of using helmet-mounted AR devices.

[0004] Therefore, there is an urgent need to provide a helmet-style AR device to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a helmet-type AR device.

[0006] To solve the above-mentioned technical problems, the present invention provides a helmet-type AR device, including a helmet body and a micro projection system located on the upper face in the direction of use, wherein the helmet body is provided with a two-sided balancing mechanism.

[0007] The balancing mechanism on both sides includes a moving component and a driving component. Under the control of the driving component, the moving component enables the AR device to switch normally.

[0008] The present invention is further configured such that: the moving component includes a first link and a second link arranged in a group, the first link and the second link being arc-shaped and intersecting, and symmetrically adjacent to another group.

[0009] The present invention is further configured such that: an extension rod is surrounded on the helmet body with a set of first and second connecting rods as the center of symmetry, and a groove is provided on the extension rod; the intersection point of another set of first and second connecting rods slides in the groove; and the ends of another set of first and second connecting rods are rotatably fixed to the extension rod and symmetrically arranged with a third connecting rod.

[0010] The present invention is further configured such that a lens located in the direction of use on the face is fixed on the extension rod.

[0011] The present invention is further configured such that: the driving component includes a support frame fixed to the back of the helmet body in the direction of the head, a motor is provided on the top of the support frame, and a drive shaft is fixed to the output end of the motor, and a first T-shaped gear is fixed to the output end of the drive shaft.

[0012] The present invention is further configured such that: a rotating shaft with the other end rotating on the helmet body and fixed to the second connecting rod passes through the support frame, and a second T-shaped gear meshing with the first T-shaped gear as the center of symmetry is fixed on the rotating shaft; the second T-shaped gear on the side away from the helmet body is fixed to the rotating shaft; and another second T-shaped gear is sleeved on the rotating shaft and fixed with a sleeve shaft between it and the first connecting rod.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. By designing driving and moving components, this utility model changes the traditional up-and-down pushing design when the helmet-mounted AR device is working, allowing the lenses to be moved to both sides of the ears. This makes the weight distribution more even, reduces pressure on the top of the head, and thus improves the wearing comfort.

[0015] 2. This utility model enables the lens to move around the sides of the helmet through the driving component and the moving component, allowing selective use of AR devices without hindering the normal use of the helmet. Furthermore, the movement of the lens to the sides reduces the feeling of weight on the top of the head and prevents the helmet from tilting forward. Attached Figure Description

[0016] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0017] Figure 2 This is a structural schematic diagram of the present invention from a second perspective;

[0018] Figure 3 This is a schematic diagram of the internal structure of the drive component of this utility model;

[0019] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle.

[0020] In the diagram: 11. Helmet body; 12. Micro projection system; 2. Drive assembly; 21. Support frame; 22. Motor; 23. Drive shaft; 24. First T-gear; 25. Second T-gear; 26. Rotating shaft; 27. Sleeve shaft; 3. Moving assembly; 31. First connecting rod; 32. Second connecting rod; 33. Extension rod; 34. Slide; 35. Lens; 36. Third connecting rod. Detailed Implementation

[0021] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0022] Please see Figures 1-4 A helmet-mounted AR device includes a helmet body 11 and a micro projection system 12 located on its upper face in the direction of use. The helmet body 11 is provided with a two-sided balancing mechanism, which includes a moving component 3 and a driving component 2. The moving component 3 realizes normal switching of the AR device under the control of the driving component 2.

[0023] The core module on the micro-projection system 12 generates a virtual image, which is then coupled into the waveguide lens via optical components. The helmet body 11 is oriented in the direction the user's face faces after putting the helmet on their head, with the opposite direction being the direction the user's head faces.

[0024] like Figure 4 As shown, the drive assembly 2 includes a support frame 21 fixed to the back of the helmet body 11 in the direction of the head. A motor 22 is provided on the top of the support frame 21, and a drive shaft 23 is fixed to the output end of the motor 22. A first T-shaped gear 24 is fixed to the output end of the drive shaft 23. A rotating shaft 26 is passed through the support frame 21, with its other end rotating on the helmet body 11 and fixed to the second connecting rod 32. A second T-shaped gear 25 is fixed on the rotating shaft 26 and meshes with the first T-shaped gear 24 as the center of symmetry. The second T-shaped gear 25 on the side away from the helmet body 11 is fixed to the rotating shaft 26. Another second T-shaped gear 25 is sleeved on the rotating shaft 26 and a sleeve shaft 27 is fixed between it and the first connecting rod 31.

[0025] In use, when a user is using a helmet-mounted AR device, the driving component 2 and the moving component 3 can be used to adjust the visual presentation gradually to the sides of the ears, helping to adjust the AR field of view without obstructing the real environment, while still providing an immersive AR experience. Specifically, the starter motor 22 drives the first T-gear 24 at the other end of the drive shaft 23 to rotate. Since the first T-gear 24 and the second T-gear 25 are meshed, the second T-gear 25 on the side away from the helmet body 11 will drive the rotating shaft 26 to rotate. Another second T-gear 25 is sleeved on the rotating shaft 26 and drives the sleeve shaft 27 to move in the opposite direction to the rotation of the rotating shaft 26. The rotating shaft 26 passes through the first connecting rod 31.

[0026] like Figures 3-4 As shown, the moving component 3 includes a first link 31 and a second link 32 arranged in a group. The first link 31 and the second link 32 are arc-shaped and intersecting, and are symmetrically adjacent to another group. An extension rod 33 is surrounded on the helmet body 11 with the first link 31 and the second link 32 as the center of symmetry. A groove 34 is provided on the extension rod 33. The intersection point of the other group of first link 31 and the second link 32 slides in the groove 34. The ends of the other group of first link 31 and the second link 32 are rotatably fixed to the extension rod 33 and symmetrically arranged with a third link 36. A lens 35 located in the face use direction is fixed on the extension rod 33.

[0027] When the rotating shaft 26 and the sleeve shaft 27 rotate, they will drive the first connecting rod 31 and the second connecting rod 32 to rotate in opposite directions. Then, the ends on both sides will squeeze another set of intersecting first connecting rods 31 and second connecting rods 32 and transmit the signal to the third connecting rod 36. At this time, the first connecting rod 31, the second connecting rod 32 and the third connecting rod 36 all rotate in the horizontal direction. Then, the intersection of the third connecting rod 36 drives the extension rod 33 to rotate around the periphery of the helmet body 11. At the same time, the intersection of the middle set of first connecting rods 31 and second connecting rods 32 slides along the slide groove 34, so that the lens 35 reaches the user's field of vision. Through the micro-projection system 12, the visual effect is presented in the user's field of vision. The closer the lens 35 is, the clearer the visual effect.

[0028] In addition, the first link 31, the second link 32 and the third link 36 are all arc-shaped. During the movement, the extension rod 33 moves in an arc trajectory, and the lens 35 moves to both sides, effectively avoiding the traditional top-mounted weight. This makes the weight of the lens 35 balanced after adjustment, and the weight of the motor 22 is balanced with the micro-projection system 12 from front to back, which is convenient to use. The position of the micro-projection system 12 is also adjustable.

[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A helmet-mounted AR device, comprising a helmet body (11) and a micro-projection system (12) located on its upper face in the direction of use, characterized in that: The helmet body (11) is provided with a two-sided balancing mechanism; The balancing mechanism on both sides includes a moving component (3) and a driving component (2). The moving component (3) is controlled by the driving component (2) to enable normal switching of the AR device.

2. The helmet-mounted AR device according to claim 1, characterized in that: The moving component (3) includes a first link (31) and a second link (32) arranged in a group. The first link (31) and the second link (32) are arc-shaped and intersecting, and are symmetrically adjacent to another group.

3. A helmet-mounted AR device according to claim 2, characterized in that: The helmet body (11) is surrounded by an extension rod (33) with a set of first connecting rods (31) and second connecting rods (32) as the center of symmetry, and the extension rod (33) is provided with a groove (34). The intersection of another set of first connecting rods (31) and second connecting rods (32) slides in the groove (34). The ends of another set of first connecting rods (31) and second connecting rods (32) are rotatably fixed to the extension rod (33) and symmetrically arranged with a third connecting rod (36).

4. A helmet-mounted AR device according to claim 3, characterized in that: A lens (35) is fixed on the extension rod (33) in the direction of use on the face.

5. A helmet-mounted AR device according to claim 2, characterized in that: The drive assembly (2) includes a support frame (21) fixed to the back of the helmet body (11) in the direction of the head. A motor (22) is provided on the top of the support frame (21), and a drive shaft (23) is fixed at the output end of the motor (22). A first T-shaped gear (24) is fixed at the output end of the drive shaft (23).

6. A helmet-mounted AR device according to claim 5, characterized in that: A rotating shaft (26) with one end rotating on the helmet body (11) and fixed to the second connecting rod (32) passes through the support frame (21). A second T-shaped gear (25) with the first T-shaped gear (24) as the center of symmetry and meshing is fixed on the rotating shaft (26). The second T-shaped gear (25) on the side away from the helmet body (11) is fixed to the rotating shaft (26). Another second T-shaped gear (25) is sleeved on the rotating shaft (26) and a sleeve shaft (27) is fixed between it and the first connecting rod (31).

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