Information transmission device of digital video system
By designing a filter structure that is easy to disassemble and a heat dissipation channel that enhances heat dissipation capacity in the information transmission device of the digital video system, the problem of reduced heat dissipation efficiency caused by the inconvenience of filter disassembly is solved, ensuring the stable operation of the device and the quality of video signals.
Patent Information
- Application Number
- CN202520165728.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-24
AI Technical Summary
In existing digital video systems, the filter design at the heat dissipation vent is inconvenient to disassemble, leading to the accumulation of dust and impurities, which affects heat dissipation efficiency and video signal processing quality.
The design incorporates filters in the first and second heat dissipation channels, with the filters easily detachable via a limit rod and spring assembly. Combined with a cooling motor and fan blades, the heat dissipation capacity is enhanced.
It enables easy disassembly and cleaning of the filter, prevents dust accumulation, improves heat dissipation efficiency and device stability, and ensures high-quality transmission of video signals.
Smart Images

Figure CN223772083U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of information transmission devices, specifically an information transmission device for a digital video system. Background Technology
[0002] A digital video system's information transmission device is a specialized device used to transmit video signals from the source to the display device. It can convert high-definition video, audio, and data signals into digital signals and efficiently transmit them to various display terminals, such as televisions and projectors, via wired or wireless means, meeting users' needs for watching high-quality video content.
[0003] Application No. 202320739874.3 discloses an information transmission device for a digital video system. The device uses a limiting block that contracts under the combined action of two telescopic rods and two support springs to clamp and limit the connector, preventing the connector from loosening and falling off during use, thereby ensuring the stability of video signal transmission.
[0004] The aforementioned device suffers from a design flaw in the filter screen at the heat dissipation vent, making it difficult to disassemble. This results in the filter screen being hard to clean during operation, and the accumulated dust and other impurities affect the heat dissipation effect. Reduced heat dissipation efficiency leads to increased internal temperature, which in turn affects the processing and transmission quality of video signals. Therefore, we propose an information transmission device for a digital video system. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides an information transmission device for a digital video system. It solves the problem that the filter design at the heat dissipation vent of the aforementioned devices is flawed and inconvenient to disassemble. This makes it difficult to clean the filter during equipment operation, and the accumulated dust and other impurities affect the heat dissipation effect, reduce heat dissipation efficiency, increase the internal temperature of the equipment, and consequently affect the processing and transmission quality of video signals.
[0007] (II) Technical Solution
[0008] To achieve the above-mentioned objectives, the present invention provides the following technical solution: an information transmission device for a digital video system, comprising a housing, a digital video information transmission module disposed inside the housing, a sealing door disposed on the housing, a first heat dissipation channel fixedly connected to both sides of the housing, a second heat dissipation channel fixedly connected to the outer wall of the front end of the housing, a first filter screen disposed inside the first heat dissipation channel, a second filter screen disposed inside the second heat dissipation channel, a first connecting component directly disposed between the first filter screen and the first heat dissipation channel, and a second connecting component disposed between the second heat dissipation channel and the second filter screen.
[0009] Preferably, a cooling motor is fixedly connected inside the second heat dissipation channel, and a plurality of fan blades are fixedly connected to the output end of the cooling motor.
[0010] Preferably, the first connecting assembly includes a limiting rod, a second spring, and a U-shaped locking rod. The limiting rod is fixedly connected to the side wall of the first heat dissipation channel, the U-shaped locking rod is movably engaged between the first filter and the first heat dissipation channel, the other end of the U-shaped locking rod is slidably connected to the outer wall of the limiting rod, and the second spring is fixedly connected between the side wall of the first heat dissipation channel and the side wall of the U-shaped locking rod.
[0011] Preferably, the second connecting assembly includes a locking rod, an L-shaped block, an inclined block, a first insert rod, a pull rod, a triangular groove, and a first spring. The L-shaped block is fixedly connected to the outer wall of the second heat dissipation channel. One end of the first insert rod is movably engaged with the second heat dissipation channel and the second filter screen, and the other end of the first insert rod extends to the outside of the second heat dissipation channel. The locking rod is fixedly connected to the outer wall of the first insert rod, and one side of the outer wall of the locking rod contacts the first heat dissipation channel. The first spring is fixedly connected between the side wall of the L-shaped block and the side wall of the locking rod and is sleeved on the outer wall of the first insert rod. The inclined block is fixedly connected to the inner wall of the L-shaped block. The triangular groove is formed on the inclined block and matches the locking rod. The pull rod is fixedly connected to the outer wall of the first insert rod.
[0012] Preferably, the outer wall of the housing is provided with an insertion interface.
[0013] Preferably, a hinge is provided between the sealing door and the outer wall of the housing, and a handle is fixedly connected to the outer wall of the housing.
[0014] Preferably, a heat sink is installed between the outer wall of the digital video information transmission module and the inner wall of the housing.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, the present invention provides an information transmission device for a digital video system, which has the following beneficial effects:
[0017] 1. The information transmission device of this digital video system allows for easy removal of the first filter screen and cleaning by pulling a U-shaped lever, which slides on a limiting rod and stretches the second spring until the U-shaped lever disengages from the engagement position of the first filter screen and the first heat dissipation channel. Pulling the lever moves the first insertion rod and the lever, compressing the first spring. When the first insertion rod disengages from the engagement position of the second filter screen and the second heat dissipation channel, the second filter screen can be removed from the second heat dissipation channel. Subsequently, rotating the first insertion rod releases the lever, the first spring returns to its original position, and one end of the lever engages with the triangular groove, completing the locking state after disassembly. The design of the first and second connecting components makes filter screen disassembly simple and quick, requiring no tools. This convenient filter screen disassembly and cleaning effectively prevents the accumulation of dust and other impurities that could reduce heat dissipation efficiency, extending the service life of the filter screen and the heat dissipation channel.
[0018] 2. The information transmission device of this digital video system effectively improves the heat dissipation performance of the device by setting up a first heat dissipation channel and a second heat dissipation channel, as well as corresponding first and second filters. The addition of a heat dissipation motor and fan blades further enhances the heat dissipation capacity, ensuring the stability of the digital video information transmission module under high load operation. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a side view of the structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the internal structure of this utility model;
[0022] Figure 4 for Figure 2 A magnified view of part A in the diagram;
[0023] Figure 5 for Figure 3 A magnified view of part B in the diagram.
[0024] In the diagram: 1. Housing; 2. Sealed door; 3. Hinge; 4. First filter; 41. Second filter; 5. Handle; 6. Digital video information transmission module; 7. Heat sink; 8. Cooling motor; 9. Fan blade; 101. First heat dissipation channel; 102. Second heat dissipation channel; 10. Socket; 11. First insertion rod; 13. L-shaped block; 14. First spring; 15. Inclined block; 16. Triangular groove; 17. Pull rod; 12. Locking rod; 18. U-shaped locking rod; 19. Second spring; 20. Limiting rod. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-5 A digital video system information transmission device includes a housing 1, a digital video information transmission module 6 inside the housing 1, a sealing door 2 on the housing 1, a first heat dissipation channel 101 fixedly connected to both sides of the housing 1, and a second heat dissipation channel 102 fixedly connected to the outer wall of the front end of the housing 1. A first filter 4 is installed inside the first heat dissipation channel 101, and a second filter 41 is installed inside the second heat dissipation channel 102. A first connecting component is directly provided between the first filter 4 and the first heat dissipation channel 101, and a second connecting component is provided between the second heat dissipation channel 102 and the second filter 41. By setting the first heat dissipation channel 101 and the second heat dissipation channel 102, the heat dissipation performance of the device is improved. The addition of the first filter 4 and the second filter 41 effectively prevents dust and other impurities from entering the device, ensuring the stable operation of the equipment. The design of the first and second connecting components makes the disassembly and replacement of the filters more convenient and reduces maintenance costs.
[0027] A cooling motor 8 is fixedly connected inside the second heat dissipation channel 102, and several fan blades 9 are fixedly connected to the output end of the cooling motor 8. The rotation of the fan blades 9 enhances the airflow in the first heat dissipation channel 101 and the second heat dissipation channel 102. The addition of the cooling motor 8 and the fan blades 9 significantly improves the heat dissipation capacity of the device.
[0028] The first connecting assembly includes a limiting rod 20, a second spring 19, and a U-shaped locking rod 18. The limiting rod 20 is fixedly connected to the side wall of the first heat dissipation channel 101. The U-shaped locking rod 18 is movably locked between the first filter screen 4 and the first heat dissipation channel 101. The other end of the U-shaped locking rod 18 is slidably connected to the outer wall of the limiting rod 20. The second spring 19 is fixedly connected between the side wall of the first heat dissipation channel 101 and the side wall of the U-shaped locking rod 18. Pulling the U-shaped locking rod 18 causes it to slide on the limiting rod 20 and stretch the second spring 19 until the U-shaped locking rod 18 disengages from the locking position between the first filter screen 4 and the first heat dissipation channel 101. At this point, the first filter screen 4 can be easily removed for cleaning.
[0029] The second connecting assembly includes a locking rod 12, an L-shaped block 13, a wedge block 15, a first insert rod 11, a pull rod 17, a triangular groove 16, and a first spring 14. The L-shaped block 13 is fixedly connected to the outer wall of the second heat dissipation channel 102. One end of the first insert rod 11 is movably engaged with the second heat dissipation channel 102 and the second filter screen 41, and the other end of the first insert rod 11 extends to the outside of the second heat dissipation channel 102. The locking rod 12 is fixedly connected to the outer wall of the first insert rod 11, and one side of the outer wall of the locking rod 12 contacts the first heat dissipation channel 101. The first spring 14 is fixedly connected to... The L-shaped block 13 is fitted between the side wall of the L-shaped block 13 and the side wall of the locking rod 12, and is sleeved on the outer wall of the first insert rod 11. The inclined block 15 is fixedly connected to the inner wall of the L-shaped block 13. The triangular groove 16 is formed on the inclined block 15 and matches the locking rod 12. The pull rod 17 is fixedly connected to the outer wall of the first insert rod 11. Pulling the pull rod 17 moves the first insert rod 11 and the locking rod 12, compressing the first spring 14. When the first insert rod 11 disengages from the locking position of the second filter screen 41 and the second heat dissipation channel 102, the second filter screen 41 can be removed from the second heat dissipation channel 102. Then, the first insert rod 11 is rotated 90 degrees, the pull rod 17 is released, the first spring 14 returns to its original position, and one end of the locking rod 12 is locked onto the triangular groove 16, completing the locking state after disassembly.
[0030] The outer wall of the housing 1 is provided with a plug-in interface 10 for connecting external devices or transmission lines.
[0031] A hinge 3 is provided between the sealed door 2 and the outer wall of the housing 1, and a handle 5 is fixedly connected to the outer wall of the housing 1; the user can easily open or close the sealed door 2 through the handle 5 to perform maintenance or inspection of the internal components.
[0032] A heat sink 7 is installed between the outer wall of the digital video information transmission module 6 and the inner wall of the housing 1; the addition of the heat sink 7 significantly improves the heat dissipation capacity of the digital video information transmission module 6.
[0033] Structural Description: 1. Shell:
[0034] The housing is the external structure of the entire device, used to protect the internal components from interference and damage from the external environment. It is typically made of robust and durable materials, such as metal or high-strength plastics.
[0035] 2. Sealed door:
[0036] A sealing door is mounted on the housing to enclose and protect the internal components. It is typically connected to the housing via a hinge (3) for easy opening and closing. The sealing door is designed to ensure the unit's dustproof and waterproof performance.
[0037] 3. Hinge:
[0038] Hinges are a key component connecting a sealed door to its housing, allowing the door to rotate open and close on the housing. Hinges are typically made of metal and possess sufficient strength and durability.
[0039] 4. First filter:
[0040] The first filter screen is installed in the first heat dissipation channel (101) to filter the air entering the device and prevent dust and impurities from damaging the internal components. It is usually made of fine metal mesh or plastic mesh.
[0041] 41. Second filter:
[0042] The second filter is similar to the first filter, but it is installed in the second heat dissipation channel (102). Its main function is also to filter the air and ensure that the air entering the device is clean and free of impurities.
[0043] 5. Handle:
[0044] The handle is mounted on the housing, allowing users to easily open and close the sealed door. It is typically made of plastic or metal, offering a comfortable grip and sufficient strength.
[0045] 6. Digital video information transmission module:
[0046] The digital video information transmission module is the core component of the device, responsible for transmitting video signals from the source to the display device. It typically consists of components such as a circuit board, processor, and memory, and features efficient and stable transmission performance.
[0047] 7. Heat sink:
[0048] Heat sinks are installed between the outer wall of the digital video information transmission module and the inner wall of the housing to increase the heat dissipation area and improve heat dissipation efficiency. They are usually made of metal and have good thermal conductivity.
[0049] 8. Cooling motor:
[0050] The cooling motor is a key component that drives the fan blades to rotate, enhancing airflow within the heat dissipation channel and improving heat dissipation. It typically consists of a motor and fan blades, and is characterized by low power consumption and high efficiency.
[0051] 9. Fan blades:
[0052] The fan blade is the output component of the cooling motor, generating airflow through rotation. It is usually made of lightweight, sturdy materials, such as plastic or metal. The design of the fan blade ensures uniform and efficient airflow.
[0053] 101. First heat dissipation channel:
[0054] The first heat dissipation channel is a channel on the housing used to dissipate the heat generated by the digital video information transmission module. It is usually connected to the first filter to ensure that the air entering the channel is clean and free of impurities.
[0055] 102. Second heat dissipation channel:
[0056] The second heat dissipation channel is similar to the first, but located in a different position within the housing. It also serves to dissipate heat and is equipped with a second filter to filter the air.
[0057] 10. Connector:
[0058] A connector is an interface on a housing used to connect external devices or transmission lines. It typically has standard interface specifications and connection methods, making it convenient for users to connect to different devices.
[0059] 11. First insertion rod:
[0060] The first insert is part of the second connecting assembly and is used to secure the second filter screen. It typically has a snap-fit or threaded connection for easy insertion and removal.
[0061] 13. L-shaped block:
[0062] The L-shaped block is a supporting component of the second connecting assembly, used to secure the first insert rod and clamp rod, among other components. It typically has a robust structure and sufficient strength.
[0063] 14. First spring:
[0064] The first spring is the elastic component of the second connecting assembly, used to provide an elastic connection between the lever and the L-block. It typically possesses appropriate elasticity and durability.
[0065] 15. Diagonal block:
[0066] The inclined block is part of the inner wall of the L-shaped block, featuring structures such as triangular grooves, used to engage with the locking lever to achieve a locking function. Its design ensures the stability and safety of the locking lever during insertion and removal.
[0067] 16. Triangular groove:
[0068] A triangular groove is a structure on the wedge block used to cooperate with a locking lever to achieve a locking function. Its shape and size are usually matched with the locking lever to ensure that the locking lever can be firmly locked onto the wedge block.
[0069] 17. Pull rod:
[0070] The pull rod is the operating component of the second connecting assembly, used to pull the first insert rod and locking rod for disassembly and replacement. It typically has a comfortable grip and sufficient strength.
[0071] 12. Locking lever:
[0072] The locking lever is a key component of the second connecting assembly, used to cooperate with the first insert and the wedge to achieve the locking function. It typically has an appropriate length and shape to ensure the reliability and stability of the locking function.
[0073] 18. U-shaped lever:
[0074] The U-shaped clamp is part of the first connecting assembly and is used to fix the first filter screen. It usually has a connection method such as a snap or thread, which can be easily inserted and pulled out.
[0075] 19. The second spring:
[0076] The second spring is an elastic component of the first connecting assembly, used to provide an elastic connection between the U-shaped lever and the housing. It typically has appropriate elasticity and durability.
[0077] 20. Limit rod:
[0078] The limiting rod is a supporting component of the first connecting assembly, used to fix the position of the U-shaped clamp. It usually has a robust structure and sufficient strength to ensure the stability and safety of the U-shaped clamp during disassembly and replacement.
[0079] Working principle
[0080] During device operation, the first heat dissipation channel 101 and the second heat dissipation channel 102 are responsible for dissipating the heat generated inside. The first filter 4 and the second filter 41 are respectively installed in these two channels to effectively filter dust and impurities in the air and prevent them from entering the device. When the heat dissipation demand increases, the heat dissipation motor 8 starts, driving the fan blades 9 to rotate, enhancing the airflow in the heat dissipation channel and improving the heat dissipation efficiency. Pulling the U-shaped lever 18 causes it to slide on the limit rod 20 and stretch the second spring 19 until the U-shaped lever 18 disengages from the locking position of the first filter 4 and the first heat dissipation channel 101. At this time, the first filter 4 can be easily removed for cleaning. Pulling the pull rod 17 moves the first insertion rod 11 and the locking rod 12, compressing the first spring 14. When the first insertion rod 11 disengages from the locking position of the second filter 41 and the second heat dissipation channel 102, the second filter 41 can be removed from the second heat dissipation channel 102. Then, rotate the first insertion rod 1190 degrees, release the pull rod 17, the first spring 14 returns to its original position, and one end of the locking rod 12 is engaged in the triangular groove 16, completing the locking state after disassembly.
[0081] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An information transmission device of a digital video system, comprising a housing (1), a digital video information transmission module (6) is arranged inside the housing (1), a sealing door (2) is arranged on the housing (1), characterized in that, Also include: The shell (1) both sides are fixedly connected with first heat dissipation channel (101), the shell (1) front end outer wall is fixedly connected with second heat dissipation channel (102), the first heat dissipation channel (101) is equipped with first filter screen (4) inside, the second heat dissipation channel (102) is equipped with second filter screen (41) inside, the first filter screen (4) and first heat dissipation channel (101) are directly provided with first connecting assembly, and the second heat dissipation channel (102) and second filter screen (41) are provided with second connecting assembly.
2. A data transmission apparatus for a digital video system as claimed in claim 1, characterized in that: The second heat dissipation channel (102) is fixedly connected with a heat dissipation motor (8) inside, and the heat dissipation motor (8) is fixedly connected with a plurality of fan blades (9) on the output end.
3. The information transmission apparatus of a digital video system according to claim 1, wherein: The first connecting assembly includes a limiting rod (20), a second spring (19) and a U-shaped clamping rod (18), the limiting rod (20) is fixedly connected to the side wall of the first heat dissipation channel (101), the U-shaped clamping rod (18) is movably clamped between the first filter screen (4) and the first heat dissipation channel (101), the other end of the U-shaped clamping rod (18) is slidably connected to the outer wall of the limiting rod (20), and the second spring (19) is fixedly connected between the side wall of the first heat dissipation channel (101) and the side wall of the U-shaped clamping rod (18).
4. The information transmission apparatus of a digital video system according to claim 1, wherein: The second connecting assembly includes a clamping rod (12), an L-shaped block (13), an inclined block (15), a first insertion rod (11), a pull rod (17), a triangular groove (16) and a first spring (14), the L-shaped block (13) is fixedly connected to the outer wall of the second heat dissipation channel (102), one end of the first insertion rod (11) is movably clamped on the second heat dissipation channel (102) and the second filter screen (41), the other end of the first insertion rod (11) extends to the outside of the second heat dissipation channel (102), the clamping rod (12) is fixedly connected to the outer wall of the first insertion rod (11), one side of the outer wall of the clamping rod (12) is in contact with the first heat dissipation channel (101), the first spring (14) is fixedly connected between the side wall of the L-shaped block (13) and the side wall of the clamping rod (12) and is sleeved on the outer wall of the first insertion rod (11), the inclined block (15) is fixedly connected to the inner wall of the L-shaped block (13), the triangular groove (16) is formed on the inclined block (15), the triangular groove (16) is matched with the clamping rod (12), and the pull rod (17) is fixedly connected to the outer wall of the first insertion rod (11).
5. The information transmission apparatus of a digital video system according to claim 1, wherein: The outer wall of the shell (1) is provided with a plug interface (10).
6. The information transmission apparatus of a digital video system according to claim 1, wherein: The hinge (3) is arranged between the sealing door (2) and the outer wall of the shell (1), and the handle (5) is fixedly connected to the outer wall of the shell (1).
7. The information transmission apparatus of a digital video system according to claim 1, wherein: The heat dissipation fin (7) is arranged between the outer wall of the digital video information transmission module (6) and the inner wall of the shell (1).
Citation Information
Patent Citations
Information transmission device of digital video system
CN219917768U