A motion capture camera

Abstract

The application relates to a motion capture camera, which comprises a base, a support frame and a functional module arranged on the top of the support frame; the functional module comprises a module shell, the module shell comprises heat dissipation shells arranged on two sides, heat dissipation fins are arranged on the heat dissipation shells; and the gaps between the heat dissipation fins are communicated with the space in the module shell. The motion capture camera can effectively solve the heat dissipation problem in the use process, guarantee the stability of the motion capture camera, prolong the service life, realize cost control, reduce the cost of the whole optical motion capture system, and promote the application of the optical motion capture system in more fields.

Description

Technical Field

[0001] This application relates to the field of XR technology, and more specifically, to a motion capture camera. Background Technology

[0002] In the field of XR technology, the normal operation of an optical motion capture system is inseparable from motion capture cameras. Motion capture cameras are mainly used to acquire 3D data such as the precise position and posture of the target object, and are an indispensable hardware device in an optical motion capture system. Typically, an optical motion capture system requires multiple motion capture cameras, therefore, the cost of the motion capture cameras directly affects the cost of the entire optical motion capture system.

[0003] However, existing motion capture cameras have significant drawbacks. On the one hand, the cost of existing motion capture cameras is high, which increases the cost of the entire optical motion capture system and limits its promotion and application in more fields. On the other hand, the assembly structure of existing motion capture cameras is unreasonable, resulting in poor heat dissipation. After prolonged use, the internal components of the camera are prone to failure due to high temperatures, affecting the lifespan and operational stability of the motion capture camera, and consequently affecting the normal operation of the entire optical motion capture system.

[0004] Based on the above, there is an urgent need for a low-cost motion capture camera with good heat dissipation for use in optical motion capture systems. Utility Model Content

[0005] The purpose of this application is to provide a motion capture camera that can overcome the shortcomings of existing motion capture cameras, such as high cost, complex assembly, and poor heat dissipation.

[0006] To achieve the above objectives, this utility model provides a motion capture camera, including: a base, a support frame, and a functional module, wherein the functional module is disposed on the top of the support frame; The functional module includes a module housing, which includes heat dissipation housings located on both sides, and heat dissipation fins are provided on the heat dissipation housings. The gaps between the heat dissipation fins communicate with the space inside the module housing.

[0007] In an optional embodiment, a cooling fan is provided inside the module housing, and a ventilation port is provided on the module housing corresponding to the cooling fan.

[0008] In an optional embodiment, the cross-section of the module housing is an elongated circle; The heat dissipation housing is located on both sides of the module housing along its length, and at the two semicircular parts of the elongated circle.

[0009] In an optional embodiment, the gaps between the heat dissipation fins are aligned in the longitudinal direction.

[0010] In an optional embodiment, a threaded connection hole is provided in the center of the heat dissipation housing, and the module housing is fixed to the mounting structure of the motion capture camera by a threaded connector connected in the threaded connection hole.

[0011] In an optional embodiment, a cover plate is provided on the module housing, and the cover plate is fixed to the top of the module housing by screws.

[0012] In an optional embodiment, the support frame includes an integrally formed profile frame, the module housing is tightly installed to the profile frame by screws, the profile frame is a hollow frame with windows on all four sides that allow a hand to be inserted, and the lens of the motion capture camera is installed in the hollow part.

[0013] In an optional embodiment, the base is connected to the support frame by screws, and a through hole is provided in the middle of the base, the size of which is larger than the size of the lens; An LED infrared lamp is provided around the periphery of the lens, and the LED infrared lamp is located on the radial inner side of the through hole.

[0014] In an optional embodiment, an LED digital screen is provided on the radially outer side of the through hole, and the LED digital screen is used to display the ID identification number of the motion capture camera.

[0015] In an optional implementation, the functional module includes multiple interfaces disposed on the sidewall of the module housing and located between the heat dissipation housings.

[0016] The motion capture camera in this application can effectively solve the heat dissipation problem during use, ensure the stability of the motion capture camera's operation, extend its service life, control costs, reduce the overall cost of the optical motion capture system, and promote the application of optical motion capture systems in more fields.

[0017] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1This is a schematic diagram of the motion capture camera in this application; Figure 2 This is a schematic diagram of the bottom view structure of the motion capture camera in this application.

[0020] icon: 1-Base; 11-Through hole; 2-Support frame; 3-Functional module; 31-Module housing; 311-Heat dissipation housing; 312-Heat dissipation fins; 313-Gap; 314-Threaded connection hole; 315-Cover plate; 32-Cooling fan; 33 - Power connector; 34 - Network connector; 35 - Phoenix connector; 36 - USB connector; 37 - HDMI connector; 4-Lens; 5-LED infrared light; 6-LED digital screen. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] The motion capture camera in this application belongs to the field of XR technology. Specifically, as a motion capture camera applied to optical motion capture systems, it can be widely used in game production, film animation, virtual reality, virtual simulation, motion analysis, rehabilitation training and other scenarios.

[0025] By improving the existing motion capture camera structure, the heat dissipation of the motion capture camera can be optimized, ensuring operational stability and extending the service life of the motion capture camera.

[0026] See Figure 1 and combined Figure 2 The motion capture camera of this utility model has a three-layer structure, including a base 1, a support frame 2, and a functional module 3. The functional module 3 is the upper layer structure and is set on top of the support frame 2, which is the middle layer structure. The base 1 is the lower layer structure and is set at the bottom of the support frame 2.

[0027] The three-layer structure is fixed together with screws. The support frame 2 includes an integrally molded profile frame. This structural design greatly reduces the amount of processing required for the motion capture camera, effectively saving production costs.

[0028] As a core component of the motion capture camera, the functional module 3 includes a module housing 31, which is mainly used for the installation of electrical components and heat dissipation structures. The module housing 31 contains core components such as functional chips, power modules, and cooling fans 32, which ensure the normal operation of the motion capture camera.

[0029] From the perspective of heat dissipation function, the module housing 31 in this application includes heat dissipation housings 311 located on both sides. Multiple parallel heat dissipation fins 312 are integrally formed on the heat dissipation housings 311 by die casting or processing. The heat dissipation fins 312 can dissipate the heat generated by the electrical components during operation, reducing the accumulation of heat in the module housing 31.

[0030] Meanwhile, the heat dissipation housing 311 is a semi-open heat dissipation structure, with gaps 313 directly left between the heat dissipation fins 312. Furthermore, the gaps 313 between the heat dissipation fins 312 are connected to the space inside the module housing 31. On the one hand, the heat generated by the main control board, chips and other electrical components inside the functional module 3 can be directly discharged to the outside through the gaps 313 between the heat dissipation fins 312. On the other hand, the heat can be dissipated to the outside through the heat dissipation fins in the form of thermal conduction.

[0031] From the perspective of enhancing the heat dissipation effect through active forced heat dissipation, a cooling fan 32 is provided inside the module housing 31 of the motion capture camera, and a vent (not shown in the figure) is provided on the module housing 31 corresponding to the cooling fan 32, and the size of the cooling fan 32 matches that of the vent.

[0032] When the cooling fan 32 is working, it can actively draw in external cold air from the vent, let it flow through the high-heat components inside the module, and then force the hot air out through the gap 313 between the heat dissipation fins 312 on both sides, forming an efficient active cooling air duct.

[0033] Furthermore, the cooling fan 32 blows air into the upper structure module housing 31, which can generate positive pressure, allowing the hot air inside the upper structure module housing 31 to be discharged through the fins on both sides, ensuring heat dissipation while keeping the interior of the upper structure clean.

[0034] From a structural perspective, the cross-section of the module housing 31 is an elongated circle, and the heat dissipation housing 311 is located on both sides of the module housing 31 along its length and at the two semicircular parts of the elongated circle.

[0035] This design not only enhances the user experience by improving the streamlined shape of the module housing 31, but also saves space. More importantly, it provides the optimal structural basis for the heat dissipation fins 312 on both sides, which increase the heat dissipation area. This allows the heat dissipation surface to be distributed on both sides of the heat-generating core, which conforms to thermodynamic principles and ensures uniform and efficient heat dissipation.

[0036] The gaps 313 between the heat dissipation fins 312 are aligned in the longitudinal direction to avoid turbulence or obstruction of airflow in the heat dissipation channel, ensuring smooth airflow and achieving the best heat dissipation efficiency whether it is natural convection or forced air cooling.

[0037] A threaded connection hole 314 is provided in the center of the heat dissipation housing 311, and the module housing 31 is fixed to the mounting structure of the motion capture camera by a threaded connector connected in the threaded connection hole 314.

[0038] Specifically, by passing threaded connectors such as screws through the mounting structure of the motion capture camera, such as a wall mounting plate or tripod, and screwing them into the threaded connection holes 314 on the heat dissipation housing 311, the entire motion capture camera can be securely installed in place. The central connection method ensures the stability and balance of the installation.

[0039] A cover plate 315 is provided on the module housing 31, and the cover plate 315 is fixed to the top of the module housing 31 with screws. On the one hand, the cover plate 315 allows the module housing 31 to be opened for operation of internal components during debugging or maintenance. On the other hand, it protects the internal components of the module housing 31, preventing dust, impurities, etc. from entering the camera and affecting the normal operation of the components.

[0040] The support frame 2 located in the middle layer of this application includes an integrally formed profile frame. The module housing 31 is tightly installed to the profile frame by screws. Preferably, the profile frame is made of aluminum alloy. The tight installation facilitates the conduction of heat on the module housing 31 and the dissipation of heat through the support frame 2.

[0041] The one-piece molded profile frame not only reduces processing steps and workload, lowering production costs, but also enhances the structural strength and stability of the intermediate layer.

[0042] Meanwhile, the profile frame is a hollow frame with windows on all four sides that can be reached into. The lens 4 of the motion capture camera is installed in the hollow part, and the angle of the lens 4 of the motion capture camera can be adjusted so that the lens 4 can adjust the acquisition angle according to actual needs, thereby improving the flexibility and accuracy of data acquisition.

[0043] It should be noted that the openwork frame with windows on all four sides can provide a large heat dissipation space. Combined with the heat received by the frame through heat conduction, it can improve the heat dissipation of the motion capture camera to the greatest extent.

[0044] From the perspective of the underlying structure, the base 1 is connected to the support frame 2 by screws, ensuring the firmness of the connection between the two structures. A through hole 11 is provided in the middle of the base 1. The size of the through hole 11 is larger than the size of the lens 4, ensuring that the lens 4 can properly acquire the three-dimensional data of the target object without being obstructed by the underlying structure.

[0045] LED infrared lights 5 are arranged around the periphery of lens 4, and are located radially inside the through hole 11. Specifically, the LED infrared lights 5 are arranged in a ring around the inner circle of the through hole 11. When the motion capture camera is powered on, the LED infrared lights 5 will emit red light, which can provide auxiliary illumination for lens 4 to collect data, especially in low-light environments, which can improve the clarity and accuracy of data acquisition.

[0046] An LED digital screen 6 is provided on the radial outer side of the through hole 11. The LED digital screen 6 is used to display the ID identification number of the motion capture camera. Staff can quickly identify different motion capture cameras through the LED digital screen 6, which facilitates the management, debugging and maintenance of multiple motion capture cameras.

[0047] The functional module 3 includes multiple interfaces with different functions, which are located on the side wall of the module housing 31 and between the heat dissipation housings 311. Specifically, the interfaces include a power interface 33, two network interfaces 34, two sets of Phoenix connectors 35, a USB interface 36, and an HDMI interface 37. The different interfaces and vents are located on both sides of the module housing 31 in the width direction.

[0048] The power interface 33 supports 12V voltage input, providing a stable power supply for the camera; each motion capture camera can be connected to the network interface 34 via a network cable, and the other end of the network cable is connected to the switch, enabling data transmission and communication between multiple motion capture cameras and between the motion capture cameras and external devices.

[0049] The motion capture camera in this application has a compact overall structure. The three-layer structure is fixed with screws, and the middle layer support frame is an integrated profile structure. Compared with the complex assembly structure of existing motion capture cameras, it reduces the types and number of parts, saving material costs. On the other hand, the simplified assembly process does not require professional high-precision assembly tools. Ordinary operators can fix the three-layer structure with screws, shortening the assembly time and significantly reducing labor costs.

[0050] To address the shortcomings of existing motion capture cameras in terms of heat dissipation, the motion capture camera in this application constructs a dual heat dissipation system of active exhaust and passive cooling. The cooling fan in the upper structure is precisely matched with the ventilation port, which can actively and quickly blow out the hot air generated inside the camera due to the operation of functional chips and power modules, forming a directional airflow channel.

[0051] The heat dissipation fins on both sides have a simple structure, are easy to process and manufacture, have low cost, and allow for smoother air flow and less resistance. This increases the heat dissipation area of ​​the upper structure. Compared with traditional planar side shells, the heat dissipation area is significantly improved, which can quickly dissipate the heat conducted from the inside to the outer shell into the air, thus achieving passive heat dissipation.

[0052] It should be noted that, where there is no conflict, the features in the embodiments of this application can be combined with each other.

[0053] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A motion capture camera, characterized in that, include: A base, a support frame, and a functional module, wherein the functional module is disposed on the top of the support frame; The functional module includes a module housing, which includes heat dissipation housings located on both sides, and heat dissipation fins are provided on the heat dissipation housings. The gaps between the heat dissipation fins communicate with the space inside the module housing.

2. The motion capture camera according to claim 1, characterized in that, The module housing is equipped with a cooling fan, and the module housing corresponding to the cooling fan is equipped with a ventilation port.

3. The motion capture camera according to claim 1, characterized in that, The cross-section of the module housing is an elongated circle; The heat dissipation housing is located on both sides of the module housing along its length, and at the two semicircular parts of the elongated circle.

4. The motion capture camera according to claim 3, characterized in that, The gaps between the heat dissipation fins are aligned in the longitudinal direction.

5. The motion capture camera according to claim 1, characterized in that, A threaded connection hole is provided in the center of the heat dissipation housing, and the module housing is fixed to the mounting structure of the motion capture camera by a threaded connector connected in the threaded connection hole.

6. The motion capture camera according to claim 1, characterized in that, The module housing is provided with a cover plate, which is fixed to the top of the module housing by screws.

7. The motion capture camera according to claim 1, characterized in that, The support frame includes an integrally formed profile frame. The module housing is tightly installed to the profile frame with screws. The profile frame is a hollow frame with windows on all four sides that allow a hand to be inserted. The lens of the motion capture camera is installed in the hollow part.

8. The motion capture camera according to claim 7, characterized in that, The base is connected to the support frame by screws, and a through hole is provided in the middle of the base. The size of the through hole is larger than the size of the lens. An LED infrared lamp is provided around the periphery of the lens, and the LED infrared lamp is located on the radial inner side of the through hole.

9. The motion capture camera according to claim 8, characterized in that, An LED digital screen is provided on the radially outer side of the through hole, and the LED digital screen is used to display the ID identification number of the motion capture camera.

10. The motion capture camera according to claim 1, characterized in that, The functional module includes multiple interfaces, which are disposed on the side wall of the module housing and located between the heat dissipation housings.

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