Interactive projection all-in-one machine equipment

Abstract

The utility model discloses an interactive projection all-in-one machine device, relates to the interactive projection related technical field, and comprises a device body, a top cover and a projection module, the outer wall of the device body is provided with heat dissipation holes, and the device body is internally provided with a heat dissipation fan used in cooperation with the heat dissipation holes. And a sealing plate for shielding the heat dissipation holes is rotationally mounted on the outer wall of the equipment body. According to the utility model, the jacking mechanism is driven by the driving shaft of the cooling fan, so that the linkage of the balancing weight and the sealing plate is realized; when the equipment runs, the sealing plate is automatically opened, and at the moment, the heat dissipation holes are matched with the heat dissipation fan to efficiently dissipate heat; when the equipment stands, the sealing plate is automatically closed to shield the heat dissipation holes, so that foreign matters such as dust and insects are prevented from invading; meanwhile, the filter plate filters impurities, the polygonal balancing weight is matched with the supporting frame to ensure sliding stability, friction between the protruding block and the transmission wheel is reduced, heat dissipation efficiency and equipment protection are both considered, the service life is prolonged, and the device is suitable for long-term stable use in multiple scenes such as indoor education and exhibition.

Description

Technical Field

[0001] This utility model relates to the field of interactive projection technology, specifically to an interactive projection all-in-one device. Background Technology

[0002] In education, exhibitions, entertainment and other fields, interactive projectors have become core devices for achieving immersive interactive experiences due to their integrated projection display, touch interaction and multimedia processing functions. By projecting images onto a screen or flat surface and combining sensors to capture user operations, they enable real-time interaction between people and content, and are widely used in classroom teaching, shopping mall displays, home entertainment and other scenarios. With the improvement of device performance and the expansion of usage scenarios, heat dissipation and protection design to ensure the long-term stable operation of the device has become a key link in improving product reliability.

[0003] Existing interactive projection all-in-one devices mainly consist of a projection module, touch sensor, main control circuit board, heat dissipation system, and casing. The heat dissipation system typically includes a cooling fan, heat sink fins, and ventilation holes on the casing. The fan drives airflow to dissipate the heat generated during device operation through the ventilation holes, maintaining the normal operating temperature of the internal electronic components. The casing, as the protective carrier of the device, must balance structural support and heat dissipation ventilation. Some devices have simple dust filters at the ventilation holes to reduce the entry of large particles. This type of structure relies on a combination of active cooling and basic protection to meet the heat dissipation requirements of the device during daily operation.

[0004] When existing interactive projectors are not in use at night, they are usually in a powered-off and idle state, with the cooling fan stopped and the ventilation holes on the casing remaining open. At this time, dust, moisture, insects and other foreign objects in the environment can easily enter the device through the ventilation holes. Over time, they will accumulate and adhere to the surface of electronic components such as the main control circuit board and projection lens. Dust accumulation will hinder the heat dissipation of components, resulting in a decrease in heat dissipation efficiency when the device is turned on again. It is difficult to ensure effective heat dissipation while effectively protecting the device when it is idle. Summary of the Invention

[0005] Therefore, the purpose of this utility model is to provide an interactive projection all-in-one device to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an interactive projection all-in-one device, comprising a device body, a top cover and a projection module, wherein the outer wall of the device body is provided with heat dissipation holes, and the device body is provided with a heat dissipation fan that works in conjunction with the heat dissipation holes, and a sealing plate for blocking the heat dissipation holes is rotatably installed on the outer wall of the device body, and a counterweight block corresponding to the sealing plate is slidably installed inside the outer wall of the device body, and a pull rope connected to the sealing plate is installed at the end of the counterweight block, and the sealing plate is designed to be inclined;

[0007] The device body is equipped with a lifting mechanism for pushing the counterweight upward, and the lifting mechanism is driven by the drive shaft of the cooling fan. After the counterweight moves upward, it releases the restriction on the sealing plate, so as to ensure that the sealing plate can be opened automatically.

[0008] By adopting the above technical solution, the cooling fan drive shaft drives the lifting mechanism to push the counterweight block. After the pull rope is loosened, the sealing plate automatically opens for heat dissipation due to its tilt design. When the equipment is stationary, the counterweight block falls and pulls the sealing plate to close. It can switch between heat dissipation during operation and protection during stationary operation without manual operation, taking into account both practicality and convenience.

[0009] Furthermore, the outer wall of the device body is provided with an installation groove corresponding to the sealing plate, and the sealing plate is designed to be inclined towards the outside of the device body, and the inclination angle of the sealing plate is greater than 1° and less than 5°.

[0010] By adopting the above technical solution, the device can automatically open using its own gravity, while ensuring a tight fit against the outer wall of the device body when closed. The installation slot adaptation design avoids jamming during opening and closing, thus balancing opening flexibility and sealing reliability.

[0011] Furthermore, the width and length of the sealing plate are both greater than the diameter of the heat dissipation hole, and a filter plate is provided inside the heat dissipation hole.

[0012] By adopting the above technical solution, the sealing plate is larger than the heat dissipation hole, which can completely block dust; the filter plate inside the heat dissipation hole filters impurities in the air, reducing the amount of debris entering the equipment during operation, and the double protection reduces the risk of component contamination.

[0013] Furthermore, a support frame that is slidably connected to the counterweight is installed on the inner wall of the heat dissipation hole, and the position where the counterweight is slidably connected to the support frame is designed as a polygonal block.

[0014] By adopting the above technical solution, the support frame and the polygonal sliding part of the counterweight cooperate to limit the sliding trajectory of the counterweight, prevent deviation and jamming, ensure smooth lifting and lowering, accurately control the state of the sealing plate, and ensure the reliable operation of the linkage mechanism.

[0015] Furthermore, the lifting mechanism includes a protrusion fixedly installed on the outer wall of the drive shaft end, and two sets of protrusions are symmetrically installed on the drive shaft end, and a transmission wheel for contacting the bottom surface of the counterweight is installed on the end of the protrusion.

[0016] By adopting the above technical solution, the symmetrical protrusions at the end of the drive shaft drive the transmission wheel to rotate, intermittently pushing the counterweight block. The transmission wheel reduces contact friction, making the lifting process labor-saving and stable, and adapting to the high-frequency linkage requirements when the cooling fan is running continuously.

[0017] Furthermore, the counterweight has an inverted T-shaped cross-section, and the width of the bottom of the counterweight is greater than the distance between the end faces of the two sets of transmission wheels.

[0018] By adopting the above technical solution, the bottom width of the counterweight is greater than the distance between the transmission wheels. Combined with the inverted T-shaped cross-section design, the transmission wheels can stably push it upward, avoiding slippage during lifting and ensuring the continuous stability of the sealing plate in the open state.

[0019] Furthermore, a drag-reducing wheel that is in contact with the drive shaft is rotatably mounted on the bottom of the counterweight block, and the drag-reducing wheel will intermittently contact the transmission wheel when the protrusion rotates.

[0020] By adopting the above technical solution, the bottom drag-reducing wheel of the counterweight is in close contact with the drive shaft, reducing frictional resistance when intermittently contacting the transmission wheel, making the counterweight rise and fall more smoothly, reducing component wear, and extending the service life of the linkage mechanism.

[0021] In summary, the present invention has the following main advantages:

[0022] This invention uses a cooling fan drive shaft to drive a lifting mechanism, achieving linkage between the counterweight and the sealing plate. During operation, the sealing plate automatically opens, allowing the cooling holes and fan to work together for efficient heat dissipation. When the equipment is stationary, the sealing plate automatically closes, blocking the cooling holes and preventing the intrusion of dust, insects, and other foreign objects. Simultaneously, the filter plate filters impurities, the polygonal counterweight works with the support frame to ensure stable sliding, and the protrusions reduce friction with the transmission wheel. This design balances heat dissipation efficiency and equipment protection, extending service life and making it suitable for long-term stable use in various scenarios such as indoor education and exhibitions. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of this utility model after the top cover has been removed;

[0025] Figure 3 This is a three-dimensional structural diagram of the device body after partial cross-section.

[0026] Figure 4 This utility model Figure 3 A schematic diagram of the structure of the components after disassembly.

[0027] Figure 5 This is a schematic diagram of the partial cross-section of the main body of the device of this utility model;

[0028] Figure 6 This utility model Figure 5 A magnified structural diagram of point A in the middle;

[0029] Figure 7This is a structural schematic diagram of the sealing plate, counterweight, drive shaft and other components of this utility model.

[0030] In the diagram: 1. Equipment body; 2. Top cover; 3. Projection module; 4. Heat dissipation hole; 41. Filter plate; 5. Cooling fan; 6. Sealing plate; 7. Support frame; 8. Counterweight; 81. Drag reducing wheel; 9. Pull rope; 91. Guide wheel; 10. Drive shaft; 11. Protrusion; 12. Transmission wheel. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The embodiments of this utility model will be described below based on its overall structure.

[0033] An interactive projection all-in-one device, such as Figure 1 - Figure 7 As shown, it includes the device body 1, the top cover 2, and the projection module 3;

[0034] Among them, the device body 1 is the main structure of the device, the top cover 2 is installed on the top of the device body 1, and the projection module 3 is used to realize the interactive projection function.

[0035] Heat dissipation holes 4 are provided on the outer wall of the equipment body 1 for heat dissipation; at the same time, a heat dissipation fan 5 is provided inside the equipment body 1. The heat dissipation fan 5 works in conjunction with the heat dissipation holes 4 to accelerate airflow and enhance the heat dissipation effect; and a sealing plate 6 is rotatably installed on the outer wall of the equipment body 1. The sealing plate 6 is used to block the heat dissipation holes 4 to prevent foreign objects from entering when the equipment is stationary.

[0036] In this embodiment, a counterweight 8 is slidably installed inside the outer wall of the device body 1, which is correspondingly arranged with the sealing plate 6. At the same time, a pull rope 9 is installed at the end of the counterweight 8, and the pull rope 9 is connected to the sealing plate 6. The opening and closing of the sealing plate 6 is controlled by the movement of the counterweight 8.

[0037] It should be emphasized that the sealing plate 6 is designed with an inclination, which makes it easy to open automatically under its own weight.

[0038] For example, a lifting mechanism is provided inside the device body 1. The lifting mechanism is used to push the counterweight 8 upward, and the lifting mechanism is driven by the drive shaft 10 of the cooling fan 5. When the counterweight 8 moves upward, the restriction on the sealing plate 6 will be released, ensuring that the sealing plate 6 can be opened automatically to achieve heat dissipation during device operation.

[0039] In this embodiment, the outer wall of the device body 1 is provided with an installation groove corresponding to the sealing plate 6. The sealing plate 6 is designed to be inclined towards the outside of the device body 1, with an inclination angle greater than 1° and less than 5°. This facilitates the automatic opening of the sealing plate 6 under gravity and ensures that it fits tightly against the outer wall of the device body 1 when closed.

[0040] Meanwhile, the width and length of the sealing plate 6 are both greater than the diameter of the heat dissipation hole 4 to ensure complete coverage of the heat dissipation hole 4; a filter plate 41 is provided inside the heat dissipation hole 4, which is used to filter impurities in the air and reduce dust entering the equipment.

[0041] For example, a support frame 7 is installed on the inner wall of the heat dissipation hole 4, and the support frame 7 is slidably connected to the counterweight 8. The position where the counterweight 8 is slidably connected to the support frame 7 is designed in a polygonal block shape to ensure the stability of the counterweight 8 when it slides and prevents it from shifting.

[0042] The lifting mechanism in this embodiment specifically includes a protrusion 11 and a transmission wheel 12;

[0043] The protrusion 11 is fixedly installed on the outer wall of the end of the drive shaft 10, and two sets are symmetrically installed at the end of the drive shaft 10. The transmission wheel 12 is rotatably installed at the end of the protrusion 11 and is used to contact the bottom surface of the counterweight 8. While cooperating with the protrusion 11 to push the counterweight 8, the friction between the protrusion 11 and the counterweight 8 is reduced.

[0044] The counterweight 8 has an inverted T-shaped cross section, and its bottom width is greater than the distance between the end faces of the two sets of transmission wheels 12, ensuring that the transmission wheels 12 can stably push the counterweight 8 upward.

[0045] In this embodiment, a drag-reducing wheel 81 is rotatably installed at the bottom of the counterweight 8. The drag-reducing wheel 81 is in contact with the drive shaft 10. When the protrusion 11 rotates, the drag-reducing wheel 81 will intermittently contact the transmission wheel 12 to further reduce friction and make the lifting and lowering of the counterweight 8 smoother.

[0046] The materials of the drag-reducing wheel 81 and the transmission wheel 12 can be selected according to the actual needs of use, and no complete limitation is made here.

[0047] In addition, a guide wheel 91 corresponding to the pull rope 9 is installed inside the main body 1. The guide wheel 91 is used to guide the direction of the pull rope 9 and ensure that the movement of the counterweight 8 can be accurately transmitted to the sealing plate 6.

[0048] Through the coordinated operation of the above components, when the equipment is started, the cooling fan 5 operates, the drive shaft 10 drives the protrusion 11 and the transmission wheel 12 to rotate, the transmission wheel 12 pushes the counterweight 8 to rise, the pull rope 9 loosens, and the sealing plate 6 opens under its own gravity, exposing the heat dissipation hole 4 for heat dissipation; when the equipment is shut down, the cooling fan 5 stops operating, the counterweight 8 descends under its own gravity, and the pull rope 9 pulls the sealing plate 6 to close, blocking the heat dissipation hole 4 to prevent foreign objects from entering, thus realizing the automatic switching between heat dissipation and protection.

[0049] It should be noted that this interactive projector is primarily intended for indoor use.

[0050] When the interactive projection all-in-one device is turned on, the projection module 3 starts working, and the electronic components inside the device body 1 generate heat. At this time, the heat dissipation system is activated simultaneously, and the specific process is as follows:

[0051] First, the cooling fan 5 is powered on and operates. Its drive shaft 10 drives the two sets of protrusions 11 symmetrically installed at the ends to rotate. The transmission wheel 12 at the end of the protrusion 11 rotates with the protrusion 11. When the transmission wheel 12 contacts the bottom of the counterweight 8, the protrusion 11 is still rotating, which causes the transmission wheel 12 to push the counterweight 8 upward along the support frame 7. Because the part of the counterweight 8 that slides with the support frame 7 is designed as a polygonal block, the sliding trajectory is stable. When the transmission wheel 12 contacts the drag-reducing wheel 81, the counterweight 8 is pushed to the highest position.

[0052] As the counterweight 8 moves upward, the pull rope 9 connected to its end gradually loosens; due to the inclined design of the sealing plate 6 towards the outside of the equipment body 1, under its own gravity, the sealing plate 6 will automatically open outward around the position where it is rotatably connected to the equipment body 1, and break free from the obstruction of the heat dissipation hole 4.

[0053] When the sealing plate 6 is fully opened, the heat dissipation hole 4 is exposed, and the cooling fan 5 drives the air inside the equipment body 1 to flow. The air begins to flow through the heat dissipation hole 4. At the same time, the protrusion 11 continues to rotate at high speed, causing the transmission wheel 12 to intermittently contact the drag-reducing wheel 81, keeping the counterweight 8 in a high position, ensuring that the sealing plate 6 is always in the open state and maintaining heat dissipation efficiency.

[0054] When the equipment is turned off, the cooling fan 5 stops running. At this time, the drive shaft 10 and the protrusion 11 stop rotating. As the protrusion 11 stops rotating, the transmission wheel 12 separates from the drag-reducing wheel 81 of the counterweight 8. At this time, the counterweight 8 slides down along the support frame 7 under its own weight and gradually resets. If the transmission wheel 12 is still in contact with the counterweight 8, the counterweight 8 will also squeeze the transmission wheel 12 under its own weight, forcing the transmission wheel 12 to drive the protrusion 11 to reset, so that the counterweight 8 can descend smoothly after the cooling fan 5 stops running.

[0055] When the counterweight 8 slides down, it pulls the sealing plate 6 in the opposite direction via the pull rope 9, causing the sealing plate 6 to gradually move closer to the mounting groove on the outer wall of the equipment body 1. Since the width and length of the sealing plate 6 are both greater than the diameter of the heat dissipation hole 4, when the counterweight 8 is fully reset, the sealing plate 6 will fit tightly against the outer wall of the equipment body 1, completely blocking the heat dissipation hole 4. At this time, dust, moisture, insects and other foreign objects in the external environment are blocked by the sealing plate 6 and cannot enter the interior of the equipment body 1 through the heat dissipation hole 4, thus achieving the protective function when the equipment is stationary.

[0056] This interactive projection all-in-one device achieves automatic heat dissipation during operation and automatic sealing protection when stationary through ingenious mechanical structure linkage. This not only ensures heat dissipation efficiency but also reduces damage to internal components caused by foreign object intrusion, extending the device's service life. It is suitable for long-term stable use in various scenarios such as education and exhibitions.

[0057] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. An interactive projection all-in-one device, characterized in that, The device includes a main body (1), a top cover (2), and a projection module (3). The outer wall of the main body (1) is provided with heat dissipation holes (4), and the main body (1) is provided with a heat dissipation fan (5) that works with the heat dissipation holes (4). A sealing plate (6) for blocking the heat dissipation holes (4) is rotatably installed on the outer wall of the main body (1). A counterweight (8) corresponding to the sealing plate (6) is slidably installed on the outer wall of the main body (1). A pull rope (9) connected to the sealing plate (6) is installed at the end of the counterweight (8). The sealing plate (6) is designed to be inclined. The device body (1) is provided with a lifting mechanism for pushing the counterweight (8) upward. The lifting mechanism is driven by the drive shaft (10) of the cooling fan (5). After the counterweight (8) moves upward, it releases the restriction on the sealing plate (6) to ensure that the sealing plate (6) can be opened automatically.

2. The interactive projection all-in-one device according to claim 1, characterized in that: The outer wall of the equipment body (1) is provided with an installation groove corresponding to the sealing plate (6), and the sealing plate (6) is designed to be inclined towards the outside of the equipment body (1), and the inclination angle of the sealing plate (6) is greater than 1° and less than 5°.

3. The interactive projection all-in-one device according to claim 1, characterized in that: The width and length of the sealing plate (6) are both greater than the diameter of the heat dissipation hole (4), and a filter plate (41) is provided inside the heat dissipation hole (4).

4. The interactive projection all-in-one device according to claim 3, characterized in that: The inner wall of the heat dissipation hole (4) is equipped with a support frame (7) that is slidably connected to the counterweight (8), and the position where the counterweight (8) and the support frame (7) are slidably connected is designed as a polygonal block.

5. The interactive projection all-in-one device according to claim 1, characterized in that: The lifting mechanism includes a protrusion (11) fixedly installed on the outer wall of the end of the drive shaft (10), and two sets of protrusions (11) are symmetrically installed at the end of the drive shaft (10), and a transmission wheel (12) for contacting the bottom surface of the counterweight (8) is installed at the end of the protrusion (11).

6. The interactive projection all-in-one device according to claim 5, characterized in that: The counterweight (8) has an inverted T-shaped cross section, and the width of the bottom of the counterweight (8) is greater than the distance between the end faces of the two sets of transmission wheels (12).

7. The interactive projection all-in-one device according to claim 5, characterized in that: The bottom of the counterweight (8) is rotatably mounted with a drag-reducing wheel (81) that is in contact with the drive shaft (10), and when the protrusion (11) rotates, the drag-reducing wheel (81) will intermittently contact the transmission wheel (12).

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