Conversion device for converting multi-channel network video input into Pal output

Abstract

The utility model provides a conversion device for converting multipath network video input into Pal output. The conversion device comprises a conversion box body, an end plate, a fixed cavity, an air inlet hole, a supportable and separable fixed seat structure, a pluggable blocking and cleaning air inlet frame structure and a sealable auxiliary ventilation and heat dissipation cover structure. According to the utility model, the fixed frame, the fixed plate, the wing-shaped bolt, the cleaning hole and the dust filtering mesh are arranged in a mutually matched manner, so that dust filtering work can be carried out on gas entering the conversion box body through the dust filtering mesh in the use process, and dust is prevented from falling on the surface of a circuit board to influence the heat dissipation and cooling effect; the switching box body, the sealing cover, the ventilation pipe, the splicing pipe, the connecting plate and the sleeving hole are matched with one another, so that air can be blown to move upwards through power generated by a heat dissipation fan arranged in the middle of the interior of the ventilation pipe in the working process in the using process, and the characteristic that the air moves upwards after being heated is matched; and the heat dissipation and cooling effects of the circuit board in the use process are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of video signal conversion equipment, and in particular relates to a conversion device for converting multi-channel network video input into Pal output. Background Art

[0002] At present, commonly used digital video to PAL video devices, such as PAL video simulation output cards, can generally only convert single-channel digital video to single-channel PAL video. Therefore, when multiple independent digital videos are converted to PAL video, multiple single-channel digital video to PAL video devices are generally used. The existing high-definition video converter includes a heat sink, a PCB circuit board, a front plate, a rear plate, a top plate, a side plate, a bottom plate, a heat dissipation hole, a support column, a connecting column, a fixing column, a screw hole, a dustproof plate, a filter mesh, a handle, and a baffle. This high-definition video converter is not convenient for dust blocking during use, and the cooling effect cannot be improved according to the phenomenon that the gas moves upward after being heated during the cooling process. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a conversion device for converting multi-channel network video input into Pal output. By improving the cooling air intake mechanism during use, it is convenient to perform dust blocking work during use, and the heat dissipation mechanism is improved during use, so as to facilitate the use of the upward movement of gas after being heated to improve the cooling and heat dissipation effect.

[0004] A conversion device for converting multi-channel network video input into Pal output comprises a conversion box body, wherein end plates are bolted to the left and right sides of the conversion box body respectively; a fixing cavity is arranged inside the upper end of the conversion box body; an air inlet is opened at the front end of the conversion box body, and is characterized in that a supporting and detachable fixing seat structure is arranged in front of the inner bottom end and in the rear of the inner bottom end of the fixing cavity respectively; a pluggable blocking and cleaning air inlet frame structure is arranged inside the air inlet; and a sealable auxiliary ventilation and heat dissipation cover structure is fixed to the upper end of the conversion box body.

[0005] Preferably, the supportable detachable fixing seat structure includes a fixing block, a supporting frame and a supporting block, the front end of the fixing block is threadedly connected to the supporting frame in sequence from left to right; the upper end of the fixing block is glued to the supporting block in sequence from left to right.

[0006] Preferably, the pluggable blocking and cleaning air inlet frame structure includes a fixed frame, and a fixing plate is bolted to the middle position behind the left and right ends of the fixed frame; a wing bolt penetrates the inner middle position of the fixed plate; a cleaning hole is opened in the front of the bottom end of the fixed frame; and a dust filter mesh is bolted to the middle position of the inner wall of the fixed frame.

[0007] Preferably, the sealable auxiliary ventilation and heat dissipation cover structure includes a sealing cover, and ventilation pipes are threaded through the middle positions of the left and right sides of the upper end of the sealing cover; the upper end outer wall of the ventilation pipe is threadedly connected with a splicing pipe; the four corners of the left and right ends of the sealing cover are respectively bolted with connecting plates; and a socket hole is opened in the middle position of the bottom end of the connecting plate.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. In the utility model, the conversion box body, the fixing cavity, the fixing block, the support frame and the supporting block cooperate with each other, which is conducive to fixing circuit boards of different specifications during use through the cooperation between the fixing block and the support frame.

[0010] 2. In the utility model, the fixing frame, fixing plate, wing bolts, cleaning holes and dust filter mesh are arranged in coordination with each other, which is conducive to filtering the gas entering the inside of the conversion box body through the dust filter mesh during use, thereby preventing dust from falling on the surface of the circuit board and affecting the heat dissipation and cooling effect.

[0011] 3. In the utility model, the conversion box body, sealing cover, ventilation pipe, splicing pipe, connecting plate and socket hole are arranged in coordination with each other, which is conducive to the power generated by the heat dissipation fan arranged in the middle position of the ventilation pipe during use to blow the gas upward, and cooperate with the characteristic of the gas moving upward after being heated, so as to improve the heat dissipation and cooling effect of the circuit board during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the supporting separation fixing seat structure of the utility model.

[0014] Figure 3 It is a structural schematic diagram of a pluggable blocking and cleaning air inlet frame structure of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the sealable auxiliary ventilation and heat dissipation cover structure of the utility model.

[0016] Figure 5 It is a schematic diagram of the interior of the conversion box body of the utility model.

[0017] In the figure:

[0018] 1. Conversion box body; 2. End plate; 3. Fixed cavity; 4. Air inlet hole; 5. Supportable and separable fixed seat structure; 51. Fixed block; 52. Support frame; 53. Support block; 6. Pluggable blocking and cleaning air inlet frame structure; 61. Fixed frame; 62. Fixed plate; 63. Wing bolt; 64. Cleaning hole; 65. Dust filter mesh; 7. Sealable auxiliary ventilation and heat dissipation cover structure; 71. Sealing cover; 72. Ventilation pipe; 73. Splicing pipe; 74. Connecting plate; 75. Socket hole. DETAILED DESCRIPTION

[0019] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2 As shown, a conversion device for converting multi-channel network video input to Pal output comprises a conversion box body 1, an end plate 2, a fixed cavity 3, an air inlet 4, a supportable and detachable fixed seat structure 5, a pluggable and blocking and cleaning air inlet frame structure 6, and a sealable auxiliary ventilation and heat dissipation cover structure 7. The left and right sides of the conversion box body 1 are respectively fixed with end plates 2 by bolts; the upper end of the conversion box body 1 is provided with a fixed cavity 3; the front end of the conversion box body 1 is provided with an air inlet 4; the front and rear ends of the bottom end of the fixed cavity 3 are respectively provided with a supportable and detachable fixed seat structure 5; the air inlet frame structure 6 is pluggable and blocking and cleaning; the conversion box body 1 is fixed with a sealable auxiliary ventilation and heat dissipation cover structure 7 at the upper end; the supportable detachable fixing seat structure 5 includes a fixing block 51, a supporting frame 52 and a supporting block 53, and the front end of the fixing block 51 is threadedly connected with the supporting frame 52 in sequence from left to right; the upper end of the fixing block 51 is glued with the supporting block 53 in sequence from left to right; when in use, the conversion box body 1 is placed in a suitable position, and then the circuit board to be used is placed on the upper end of the supporting frame 52, and the circuit board is fixed with bolts, and according to the specifications of the circuit board, the circuit board is supported by the supporting frame 52 and the supporting block 53, so as to facilitate the purpose of fixing and installing circuit boards of different specifications.

[0020] In this embodiment, combined with the Figure 3As shown, the pluggable blocking and cleaning air inlet frame structure 6 includes a fixed frame 61, a fixed plate 62, a wing bolt 63, a cleaning hole 64 and a dust filter mesh 65. The fixing plates 62 are bolted to the middle positions behind the left and right ends of the fixed frame 61; the wing bolts 63 penetrate the middle positions inside the fixed plates 62; a cleaning hole 64 is opened in the front of the bottom end of the fixed frame 61; a dust filter mesh 65 is bolted to the middle position of the inner wall of the fixed frame 61; after the circuit board is fixed, the fixed frame 61 is plugged into the inside of the air inlet hole 4, and then the dust in the gas is filtered and cleaned through the dust filter mesh 65 during cooling during use to prevent dust from falling on the surface of the circuit board and affecting the heat dissipation.

[0021] In this embodiment, combined with the Figure 4 As shown, the sealable auxiliary ventilation and heat dissipation cover structure 7 includes a sealing cover 71, a ventilation pipe 72, a splicing pipe 73, a connecting plate 74 and a socket hole 75. The ventilation pipes 72 are threadedly penetrated at the middle positions of the left and right sides of the upper end of the sealing cover 71; the splicing pipes 73 are threadedly connected to the outer wall of the upper end of the ventilation pipe 72; the connecting plates 74 are bolted to the four corners of the left and right ends of the sealing cover 71; the socket hole 75 is provided at the middle position of the bottom end of the connecting plate 74; during use, the power generated by the heat dissipation fan arranged inside the ventilation pipe 72 during work blows the gas upward, and in the process of gas flow, drives the heated gas around the circuit board to flow, accelerates the gas flow around the circuit board, improves the heat dissipation and cooling effect, and thus completes the work.

[0022] In this embodiment, specifically, the conversion box body 1 adopts a U-shaped PVC box body and a sealing ring is provided at the connection with the end plate 2; a circuit board is provided inside the conversion box body 1.

[0023] In this embodiment, specifically, the support block 53 is a rectangular silicone block; the support frame 52 is an L-shaped PVC frame with a threaded hole in the middle of the upper end.

[0024] In this embodiment, specifically, the fixing blocks 51 are bolted to the front and rear of the inner bottom end of the fixing cavity 3 respectively; the supporting frame 52 is arranged at the inner bottom end of the fixing cavity 3 and is arranged correspondingly.

[0025] In this embodiment, specifically, the dust filter mesh 65 is arranged behind the upper end of the cleaning hole 64; the fixing plate 62 is an L-shaped stainless steel plate.

[0026] In the present embodiment, specifically, the rear end of the fixing frame 61 is inserted into the interior of the air inlet 4; the wing bolts 63 are respectively threadedly connected to the middle positions on the left and right sides of the front surface of the conversion box body 1; the fixing frame 61 and the interior of the conversion box body 1 are connected.

[0027] In this embodiment, specifically, a heat dissipation fan is fixed by bolts at the middle position inside the ventilation pipe 72 ; and a mesh is fixed by bolts at the middle position of the inner wall of the spliced ​​pipe 73 .

[0028] In this embodiment, specifically, the sealing cover 71 is arranged at the upper end of the conversion box body 1 and a bearing is arranged at the connection; the connecting plates 74 are respectively arranged at the upper four corners of the left and right ends of the conversion box body 1 and fixed by bolts.

[0029] How it works

[0030] In the utility model, when in use, the conversion box body 1 is placed in a suitable position, and then the circuit board to be used is placed on the upper end of the support frame 52, and the circuit board is fixed with bolts, and according to the specifications of the circuit board, the circuit board is supported by the support frame 52 and the support block 53, so as to facilitate the purpose of fixing and installing circuit boards of different specifications. After the circuit board is fixed, the fixing frame 61 is plugged into the inside of the air inlet 4, and then during the use process, the dust in the gas is filtered and cleaned through the dust filter mesh 65 during cooling to prevent dust from falling on the surface of the circuit board and affecting the heat dissipation. During the use process, the power generated by the heat dissipation fan arranged inside the ventilation pipe 72 during work blows the gas upward, and in the process of gas flow, the heated gas around the circuit board is driven to flow, thereby accelerating the gas flow around the circuit board and improving the heat dissipation and cooling effect, thereby completing the work.

[0031] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A conversion device for converting multi-channel network video input into Pal output, comprising a conversion box body (1), wherein end plates (2) are bolted to the left and right sides of the conversion box body (1); a fixing cavity (3) is arranged inside the upper end of the conversion box body (1); an air inlet hole (4) is opened at the front end of the conversion box body (1); and the characteristics are as follows: The fixed cavity (3) in the conversion device for converting multi-channel network video input to PAL output is provided with a supportable and detachable fixed seat structure (5) at the front and rear of the inner bottom end respectively; the air inlet hole (4) is provided with a pluggable blocking and cleaning air inlet frame structure (6); the upper end of the conversion box body (1) is fixed with a sealable auxiliary ventilation and heat dissipation cover structure (7); the supportable and detachable fixed seat structure (5) comprises a fixed block (51), the front end of the fixed block (51) is threadedly connected with a support frame (52) in sequence from left to right; the upper end of the fixed block (51) is glued with a support block (53) in sequence from left to right; the pluggable blocking and cleaning air inlet frame structure (6) comprises a fixed frame (61), the middle position of the rear of the left and right ends of the fixed frame (61) is The fixing plates (62) are fixed by bolts respectively; the middle positions of the fixing plates (62) are penetrated by wing bolts respectively; the front of the bottom end of the fixing frame (61) is provided with a cleaning hole (64); the middle position of the inner wall of the fixing frame (61) is fixed with a dust filter mesh (65) by bolts; the sealable auxiliary ventilation and heat dissipation cover structure (7) comprises a sealing cover (71), the middle positions of the left and right sides of the upper end of the sealing cover (71) are respectively penetrated by ventilation pipes (72) by threads; the upper end outer wall of the ventilation pipe (72) is threadedly connected with a splicing pipe (73); the four corners of the left and right ends of the sealing cover (71) are respectively fixed with connecting plates (74) by bolts; the middle position of the bottom end of the connecting plate (74) is provided with a socket hole (75).

2. The device for converting multiple network video inputs into Pal outputs as claimed in claim 1, characterized in that: The fixing block (51) is bolted to the front and rear of the inner bottom end of the fixing cavity (3) respectively; the supporting frame (52) is arranged at the inner bottom end of the fixing cavity (3) and is arranged correspondingly.

3. The device for converting multiple network video inputs into Pal outputs as claimed in claim 1, characterized in that: The rear end of the fixing frame (61) is inserted into the interior of the air inlet hole (4); the wing bolts (63) are respectively threadedly connected to the middle positions of the left and right sides of the front surface of the conversion box body (1); and the fixing frame (61) and the interior of the conversion box body (1) are connected.

4. The device for converting multiple network video inputs into Pal outputs as claimed in claim 1, characterized in that: The sealing cover (71) is arranged at the upper end of the conversion box body (1) and is provided with a bearing at the connection; the connecting plates (74) are respectively arranged at the upper four corners of the left and right ends of the conversion box body (1) and are fixed with bolts.

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