Ventilation device for broadcast television engineering machine room

Abstract

The utility model discloses a ventilation device for a broadcast television engineering machine room, which relates to the technical field of ventilation and comprises a U-shaped pipe, a fan blowing air upwards is arranged at the air inlet of the U-shaped pipe, supporting blocks with upper and lower openings in the center are arranged in the U-shaped pipe and right above the fan, and the supporting blocks are distributed on the cross section of the U-shaped pipe. A hollow ball capable of covering an opening in the top of the supporting block is arranged over the supporting block, a gap is formed between the hollow ball and the inner wall of the U-shaped pipe, and a vertical pipe is fixedly installed at the top of the hollow ball. According to the scheme, when the fan blows air, the hollow ball ascends along the vertical rod, air flow in the vertical direction of the supporting block is smooth, when the fan does not work, the hollow ball descends due to the gravity of the hollow ball and covers the top of the supporting block, and outdoor sundries including insects and dust cannot enter the U-shaped pipe and the machine room from the air outlet position.

Description

Technical Field

[0001] This utility model relates to the technical field of ventilation, specifically a ventilation device for broadcast television engineering equipment rooms. Background Technology

[0002] In broadcast and television engineering equipment rooms, the operation of equipment generates a lot of heat. If the heat cannot be dissipated in time, it will affect the performance and service life of the equipment. Ventilation devices play a key role in temperature regulation in the equipment room.

[0003] When in use, ventilation devices exhaust hot air from the equipment room through the vents. When the equipment in the equipment room is not running, the ventilation devices are open, allowing external dust and small insects to enter the ventilation ducts and the equipment room, affecting the cleanliness of the interior. Therefore, those skilled in the art have provided a ventilation device for broadcast television engineering equipment rooms to solve the aforementioned problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a ventilation device for broadcast television engineering equipment rooms.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A ventilation device for a broadcast television engineering equipment room includes a U-shaped tube. An upward-blowing fan is installed at the air inlet of the U-shaped tube. A support block with an opening at the top and bottom of the center is installed directly above the fan inside the U-shaped tube, and the support block covers the cross-section of the U-shaped tube. A hollow sphere that can cover the top opening of the support block is installed directly above the support block. There is a gap between the hollow sphere and the inner wall of the U-shaped tube. A vertical pipe is fixedly installed on the top of the hollow sphere. A vertical rod is vertically fixedly installed on the top inner wall of the U-shaped tube. The bottom end of the vertical rod is slidably inserted into the vertical pipe. When the fan blows air, the hollow sphere moves upward along the vertical rod, and the airflow above and below the support block is unobstructed.

[0007] Preferably, the top opening of the support block is open upward and has an arc surface, and the bottom of the hollow sphere is provided with a frustum-shaped support ring, the bottom of which fits against the top arc surface of the support block.

[0008] Preferably, the bottom of the support block is configured to be open downwards in the form of an arc surface, and the blowing area of ​​the fan is smaller than the maximum cross-section of the arc surface at the bottom of the support block.

[0009] Preferably, the U-shaped tube has multiple air outlets at its air outlet, and the top of each air outlet is rotatably equipped with multiple cover plates that can be correspondingly covered.

[0010] Preferably, a main rope is provided on the side of the vertical tube, and the other end of the main rope is fixedly connected to the top edge of multiple cover plates through branch ropes. When the hollow ball moves upward, the cover plates flip upward and open.

[0011] In summary, this utility model has the following beneficial technical effects:

[0012] 1. When the fan blows air, the hollow ball moves up along the vertical rod, and the airflow between the upper and lower parts of the support block is unobstructed. When the fan is not working, the hollow ball descends due to its own weight, covering the top of the support block, and outdoor debris, including insects and dust, will not enter the U-shaped pipe and machine room from the air outlet.

[0013] 2. The bottom of the frustum-shaped support ring fits into the top arc surface of the support block, ensuring a good seal between the hollow ball and the opening of the support block when the ball is stationary, effectively blocking dust. When the hollow ball rises, the support ring can better gather air, which is conducive to the rise of the hollow ball. The cooperation between the arc surface and the support ring makes the airflow transition smoother.

[0014] 3. The other end of the main rope on the side of the vertical pipe is fixedly connected to the top edge of multiple cover plates through branch ropes. When the hollow ball moves upward, the cover plate flips up and opens, realizing the synchronous and coordinated control of air inlet and outlet. This allows for double prevention of foreign objects from entering when not in use, and does not require manual control or the addition of other control structures for implementation. Attached Figure Description

[0015] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the support block and the hollow ball of this utility model.

[0019] Explanation of reference numerals in the attached diagram: 1. U-shaped tube; 2. Support block; 3. Hollow sphere; 4. Main rope; 5. Cover plate; 11. Fan; 31. Support ring; 32. Vertical pipe; 33. Vertical rod. Detailed Implementation

[0020] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0021] A ventilation device for a broadcast television engineering equipment room, referring to Figure 1 and Figure 2 It includes a U-shaped pipe 1, which serves as the main air duct structure of the entire ventilation system, providing a path for airflow transmission. An upward-blowing fan 11 is installed at the air inlet of the U-shaped pipe 1. The fan 11 is the power source that drives the air in the computer room into the ventilation device. Its upward-blowing design lays the foundation for the airflow drive and functional realization of the subsequent internal structure.

[0022] Reference Figure 2 and Figure 3 Inside the U-shaped tube 1, directly above the fan 11, there is a support block 2 with an opening at the top and bottom in the center. The support block 2 covers the cross-section of the U-shaped tube 1. Directly above the support block 2, there is a hollow ball 3 that can cover the top opening of the support block 2. There is a gap between the hollow ball 3 and the inner wall of the U-shaped tube 1. A vertical pipe 32 is fixedly installed on the top of the hollow ball 3. A vertical rod 33 is vertically fixedly installed on the top inner wall of the U-shaped tube 1. The bottom end of the vertical rod 33 is slidably inserted into the vertical pipe 32, forming a stable vertical guide structure. When the fan 11 blows air, the airflow impacts upward, and the hollow ball 3 moves upward along the vertical rod 33. The airflow in the support block 2 is unobstructed. When the fan 11 is not working, the hollow ball 3 descends due to its own weight, covering the top of the support block 2. Outdoor debris, including insects and dust, will not enter the U-shaped tube 1 and the machine room from the air outlet.

[0023] Reference Figure 2 and Figure 3 Furthermore, the top opening of the support block 2 is open upwards in an arc shape, and the bottom of the hollow sphere 3 is provided with a frustum-shaped support ring 31. The bottom of the support ring 31 fits into the arc surface of the top of the support block 2. This design ensures a good seal between the hollow sphere 3 and the opening of the support block 2 when the hollow sphere 3 is stationary, effectively blocking dust. On the other hand, when the hollow sphere 3 rises, the support ring 31 can better concentrate airflow, which is conducive to the rise of the hollow sphere 3. The cooperation between the arc surface and the support ring 31 makes the airflow transition smoother. Furthermore, the bottom of the support block 2 is set to open downwards in an arc shape, and the blowing area of ​​the fan 11 is smaller than the maximum cross-section of the arc surface at the bottom of the support block 2. This design allows the airflow blown by the fan 11 to be evenly distributed at the bottom of the support block 2, avoiding excessive local airflow impact, optimizing airflow distribution, ensuring ventilation stability, and allowing air to enter through the arc surface with less airflow loss, which is more conducive to the rise of the hollow sphere 3.

[0024] Reference Figure 2 and Figure 3The U-shaped tube 1 has multiple air outlets at its outlet, and the top of each outlet is equipped with a rotatable cover plate 5. These covers can be opened during use to facilitate airflow and closed when not in use to further prevent dust and other foreign objects from entering. Furthermore, the side of the vertical tube 32 is equipped with a main rope 4, the other end of which is fixedly connected to the top edge of the multiple cover plates 5 via branch ropes. When the hollow ball 3 moves upward, the cover plates 5 flip upward and open, achieving synchronous and coordinated control of air intake and exhaust. This provides double protection against foreign objects from entering when not in use, without the need for manual control or additional control structures.

[0025] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A ventilation device for a broadcast television engineering equipment room, comprising a U-shaped pipe (1), wherein an upward-blowing fan (11) is provided at the air inlet of the U-shaped pipe (1), characterized in that: Inside the U-shaped tube (1), directly above the fan (11), there is a support block (2) with an opening at the top and bottom at the center. The support block (2) covers the cross section of the U-shaped tube (1). A hollow ball (3) that can cover the top opening of the support block (2) is set directly above the support block (2). There is a gap between the hollow ball (3) and the inner wall of the U-shaped tube (1). A vertical tube (32) is fixedly installed on the top of the hollow ball (3). A vertical rod (33) is vertically fixedly installed on the inner wall of the top of the U-shaped tube (1). The bottom end of the vertical rod (33) is slidably inserted into the vertical tube (32). When the fan (11) blows air, the hollow ball (3) moves upward along the vertical rod (33), and the airflow in the support block (2) is unobstructed.

2. The ventilation device for a broadcast television engineering equipment room according to claim 1, characterized in that: The top opening of the support block (2) is open upward and has an arc surface. The bottom of the hollow sphere (3) is provided with a frustum-shaped support ring (31), and the bottom of the support ring (31) is in contact with the top arc surface of the support block (2).

3. A ventilation device for a broadcast television engineering equipment room according to claim 2, characterized in that: The bottom of the support block (2) is set to be open downwards in the form of an arc surface, and the blowing area of ​​the fan (11) is smaller than the maximum cross-section of the arc surface at the bottom of the support block (2).

4. A ventilation device for a broadcast television engineering equipment room according to claim 1, characterized in that: The U-shaped tube (1) has multiple air outlets at its air outlet, and the top of each of the multiple air outlets is rotatably equipped with multiple cover plates (5) that can be correspondingly covered.

5. A ventilation device for a broadcast television engineering equipment room according to claim 4, characterized in that: The side of the vertical tube (32) is provided with a main rope (4), and the other end of the main rope (4) is fixedly connected to the top edge of multiple cover plates (5) through branch ropes. When the hollow ball (3) moves upward, the cover plate (5) flips upward and opens.

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