Noise reduction equipment for broadcast television equipment

Abstract

The utility model relates to the technical field of radio and television, in particular to noise reduction equipment for radio and television equipment, which comprises a radio and television body, radio components arranged at the left and right ends of the radio and television body, guide rails fixedly connected to the left and right end faces of the radio and television body, and noise reduction shells slidably connected to the outer sides of the guide rails. A limiting shell is fixedly connected to the upper portion of the inner side of the noise reduction shell, sound absorption foam is fixedly connected to the outer side of the noise reduction shell, an overturning cover is rotationally connected to the outer side of the bottom end of the noise reduction shell, and a magnetic sheet is fixedly connected to the outer side of the top end of the overturning cover. Through the design cooperation of the noise reduction shell and the guide rail, the device can install and cover the sound absorption foam with the noise reduction effect on the outer sides of the sound receiving assemblies at the left end and the right end of the broadcast television body, the material is of a porous structure, part of sound energy can be effectively absorbed, sound reflection is reduced, and the purpose of noise reduction is achieved; and a rotatable overturning cover is arranged at the bottom of the noise reduction shell, so that impurities and dust are prevented from entering the noise reduction shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of broadcast television, especially a broadcast television equipment noise reduction equipment. BACKGROUND

[0002] The broadcast television equipment is various electronic equipment for making, processing, transmitting and receiving broadcast and television programs, and the broadcast television equipment includes but is not limited to making equipment, transmitting equipment and receiving equipment.

[0003] The making equipment includes a camera for shooting video pictures, a recorder for recording audio, an editing machine for editing and making video and audio contents, and a graphic workstation for creating and editing graphics, animations and visual effects. The transmitting equipment includes a transmitter for transmitting broadcast signals through radio waves, a transmitting antenna for transmitting and receiving radio signals, and coaxial cables and optical fibers for signal transmission in a ground transmission network. The receiving equipment includes a television receiver including a television set and a set-top box for receiving and displaying television programs, and a radio for receiving audio signals of a radio station.

[0004] The existing making equipment uses a sound collecting assembly to collect sound in a designated area during use, but the sound in the designated area may be affected by sound reflection and external noise interference, which directly affects the clarity and overall sound quality of recording or playing.

[0005] To solve the above problems, the present application provides a broadcast television equipment noise reduction equipment. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the utility model provides a broadcast television equipment noise reduction equipment, which can effectively absorb part of sound energy, reduce sound reflection, and change the height of the broadcast television body according to different needs.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme: a broadcast television equipment noise reduction equipment, including a broadcast television body, sound collecting assemblies are arranged at the left and right ends of the broadcast television body, guide rails are fixedly connected to the left and right end faces of the broadcast television body, a noise reduction shell is slidably connected to the outer side of the guide rails, a limiting shell is fixedly connected to the inner side of the noise reduction shell, sound absorbing foam is fixedly connected to the outer side of the noise reduction shell, a turnover cover is rotatably connected to the outer side of the bottom end of the noise reduction shell, and a magnetic sheet is fixedly connected to the outer side of the top end of the turnover cover.

[0008] As the utility model discloses a kind of broadcast television equipment noise reduction equipment optimization, the outer side of the limiting shell is in contact with the outer side of guide rail, the inner end surface of the noise reduction shell body is in contact with the left and right end surfaces of broadcast television body, the magnetic sheet is magnetically attracted and fixed with the bottom end of guide rail, sound-absorbing bubble cotton with noise reduction effect can be installed and covered on the outside of the radio receiving assembly of the left and right ends of broadcast television body, the material has porous structure, can effectively absorb part of sound energy, reduce sound reflection, to achieve the purpose of noise reduction.

[0009] As the utility model discloses a kind of broadcast television equipment noise reduction equipment optimization, the number of guide rail at one end of the broadcast television body is two, and guide rail is distributed at the front and back of one end of broadcast television body, the transverse section shape of guide rail is L type, for the outer side of guide rail when noise reduction shell body and limiting shell are inserted to limit, avoid the case that noise reduction shell body can be removed from the outer side of guide rail transversely.

[0010] As the utility model discloses a kind of broadcast television equipment noise reduction equipment optimization, the transverse section shape of the flip cover is matched with the shape of the transverse section of the top end of noise reduction shell body, and the middle of the outer end surface of flip cover is connected with the middle of the outer end surface of the bottom end of noise reduction shell body by fixed shaft, the bottom end of limiting shell is made of metal and can be magnetically attracted by magnetic sheet, can seal the bottom of noise reduction shell body, avoid impurities and dust to enter the inside of noise reduction shell body through the lower side of the inside of noise reduction shell body.

[0011] As the utility model discloses a kind of broadcast television equipment noise reduction equipment optimization, the bottom end of the broadcast television body is fixedly connected with base, the left and right sides of the bottom of base are fixedly connected with telescopic rod, the end, away from base, of telescopic rod is fixedly connected with hollow shell, the left and right end surfaces of hollow shell are fixedly connected with motor, the output end of motor is fixedly connected with threaded rod, the outer side of threaded rod is spirally connected with moving block, the top end of moving block is rotatably connected with connecting rod, the end, away from moving block, of connecting rod is rotatably connected with the middle of the bottom of base, the end, away from motor, of threaded rod is rotatably connected with the middle of the inside of hollow shell, the outer side of moving block is in contact with the inner wall of hollow shell, the outer side of connecting rod is slidably connected with the middle of the inside of hollow shell, can drive broadcast television body to move upwards or downwards, realize the purpose that the height of broadcast television body can be changed according to different needs, it is convenient for operating personnel to adjust broadcast television body to comfortable position for watching according to own sitting posture, height etc.

[0012] As the utility model discloses a kind of broadcast television equipment noise reduction equipment optimization, the left and right sides of the middle of the inside of hollow shell are provided with the sliding groove from left to right, and the width of sliding groove is matched with the diameter of the transverse section of connecting rod, the motor can be forward and reverse rotation, for the threaded rod in the inside of hollow shell to drive base on the outside of the top end of hollow shell to move up and down, and the rotating angle of connecting rod can be changed according to different needs.

[0013] As a kind of broadcast television equipment noise reduction equipment preferred of the utility model, the telescopic rod inside part is fixed end and extension end, and the fixed end and extension end of telescopic rod inside are connected with tension spring, the overall length after telescopic rod extension is same with the length of connecting rod, the setting purpose of telescopic rod is to increase the stability of base when moving up and down, avoid the shaking condition when base is moved up and down by connecting rod.

[0014] The utility model has the advantages of:

[0015] The broadcast television equipment noise reduction equipment designed by the utility model is designed to be matched with the noise reduction shell and the guide rail, so that the sound-absorbing bubble cotton with noise reduction effect can be installed and covered outside the radio component at the left and right ends of the broadcast television body. The material has a porous structure, which can effectively absorb part of the sound energy and reduce sound reflection to achieve the purpose of noise reduction. The bottom of the noise reduction shell is provided with a flip cover that can rotate. After the noise reduction shell is inserted into the guide rail from top to bottom, the flip cover is flipped upwards, and the magnetic sheet on the upper end surface of the flip plate is magnetically attracted to the limiting shell, so that the bottom of the noise reduction shell can be sealed. This not only prevents impurities and dust from entering the noise reduction shell from the bottom inside the noise reduction shell, but also prevents the noise reduction shell from being easily pulled out upwards from the outside of the guide rail, thereby improving the stability of the noise reduction shell at the left and right ends of the broadcast television body to a certain extent.

[0016] The broadcast television equipment noise reduction equipment designed by the utility model is designed to be matched with the noise reduction shell and the guide rail, so that the sound-absorbing bubble cotton with noise reduction effect can be installed and covered outside the radio component at the left and right ends of the broadcast television body. The material has a porous structure, which can effectively absorb part of the sound energy and reduce sound reflection to achieve the purpose of noise reduction. The bottom of the noise reduction shell is provided with a flip cover that can rotate. After the noise reduction shell is inserted into the guide rail from top to bottom, the flip cover is flipped upwards, and the magnetic sheet on the upper end surface of the flip plate is magnetically attracted to the limiting shell, so that the bottom of the noise reduction shell can be sealed. This not only prevents impurities and dust from entering the noise reduction shell from the bottom inside the noise reduction shell, but also prevents the noise reduction shell from being easily pulled out upwards from the outside of the guide rail, thereby improving the stability of the noise reduction shell at the left and right ends of the broadcast television body to a certain extent. DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the longitudinal section and explosion structure of the broadcast television body of the utility model;

[0020] Figure 3 It is a schematic diagram of the noise reduction shell of the utility model rotated 180 degrees in the horizontal direction;

[0021] Figure 4 It is a schematic diagram of the longitudinal section of the hollow shell of the utility model.

[0022] Legend:

[0023] 1, broadcast television body; 2, noise reduction shell; 3, sound-absorbing foam; 4, flip cover; 5, base; 6, telescopic rod; 7, hollow shell; 8, motor; 9, connecting rod; 10, radio assembly; 11, guide rail; 12, limit shell; 13, magnetic sheet; 14, threaded rod; 15, moving block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] As shown in the drawings; Figures 1 to 4

[0027] A broadcast television equipment noise reduction device, comprising a broadcast television body 1.

[0028] In the present embodiment: as disclosed in the background art above, "when the existing production equipment is in use, the sound in the set area is usually collected by the radio assembly, but the sound in the set area may be affected by the reflection of the sound and the interference of external noise, which directly affects the clarity and overall sound quality of recording or playing, and the background noise easily reduces the experience of the audience when watching or listening to the program" in combination with use. This problem is obviously a problem that exists and is difficult to solve. Therefore, to solve this technical problem, a noise reduction shell 2 and a sound-absorbing foam 3 are added in the present application file;

[0029] Further:

[0030] As shown in the drawings: Figures 1 to 4

[0031] In combination with the above content: a broadcast television equipment noise reduction device, comprising a broadcast television body 1, a radio assembly 10 arranged at the left and right ends of the broadcast television body 1, a guide rail 11 adhered to the left and right end faces of the broadcast television body 1, the outer side of the guide rail 11 inserted into the inner side of the noise reduction shell 2, a limit shell 12 welded to the upper side of the inner side of the noise reduction shell 2, a sound-absorbing foam 3 arranged on the outer side of the noise reduction shell 2, a flip cover 4 connected to the outer side of the bottom end of the noise reduction shell 2 through a fixed shaft, a magnetic sheet 13 adhered to the outer side of the top end of the flip cover 4, the outer side of the limit shell 12 in contact with the outer side of the guide rail 11, the inner end face of the noise reduction shell 2 in contact with the left and right end faces of the broadcast television body 1, and the magnetic sheet 13 magnetically fixed to the bottom end of the guide rail 11. ​​

[0032] In this embodiment: the sound-absorbing foam 3 with noise reduction effect can be installed and covered outside the radio component 10 at both ends of the radio and television body 1. This material has a porous structure, which can effectively absorb part of the sound energy and reduce sound reflection to achieve the purpose of noise reduction.

[0033] In an alternative embodiment: the number of guide rails 11 at one end of the radio and television body 1 is two, and the guide rails 11 are distributed on the front and back of one end of the radio and television body 1. The transverse section shape of the guide rail 11 is L-shaped.

[0034] In this embodiment: the noise reduction shell 2 and the limiting shell 12 are inserted into the outside of the guide rail 11 for limiting, to avoid the situation that the noise reduction shell 2 can be pulled out transversely from the outside of the guide rail 11.

[0035] In an alternative embodiment: the transverse section shape of the flip cover 4 matches the shape of the transverse section of the top end of the noise reduction shell 2, and the middle of the outer end surface of the flip cover 4 is connected to the middle of the outer end surface of the bottom end of the noise reduction shell 2 through a fixed shaft. The bottom end of the limiting shell 12 is made of metal and can be magnetically attracted by the magnetic sheet 13.

[0036] In this embodiment: the noise reduction shell 2 can be sealed at the bottom to prevent impurities and dust from entering the noise reduction shell 2 from below the inside of the noise reduction shell 2.

[0037] According to the above content, in order to change the height of the radio and television body 1 according to different needs, it also includes that the bottom end of the radio and television body 1 is fixed to the base 5 through bolts, the telescopic rods 6 are welded on the left and right sides of the bottom of the base 5, the hollow shell 7 is welded on the end of the telescopic rod 6 away from the base 5, the motors 8 are fixed on the left and right end surfaces of the hollow shell 7 through bolts, the output shaft of the output end of the motor 8 penetrates the inside of the threaded rod 14 and is welded, the inside of the moving block 15 penetrates the inside of the threaded rod 14 and is screwed with the internal thread in the inside of the moving block 15, the top end of the moving block 15 is connected to the connecting rod 9 through a fixed shaft, the end of the connecting rod 9 away from the moving block 15 is rotatably connected to the middle of the bottom of the base 5, the end of the threaded rod 14 away from the motor 8 is rotatably connected to the middle of the inside of the hollow shell 7, the outside of the moving block 15 is in contact with the inner wall of the hollow shell 7, and the outside of the connecting rod 9 is slidably connected to the middle of the inside of the hollow shell 7.

[0038] In this embodiment: the radio and television body 1 can be moved upwards or downwards to achieve the purpose of changing the height of the radio and television body 1 according to different needs, and to facilitate the operator to adjust the radio and television body 1 to a comfortable position for watching due to reasons such as sitting posture and height.

[0039] In an alternative embodiment: left and right self-left-to-right sliding grooves are formed in the middle of the top of the inside of the hollow shell 7, and the width of the sliding groove matches the diameter of the transverse section of the connecting rod 9. The motor 8 can be forward and reverse rotated.

[0040] In the embodiment, the threaded rod 14 drives the base 5 outside the top end of the hollow shell 7 to move up and down, and the rotation angle of the connecting rod 9 can be changed according to different requirements.

[0041] In an optional embodiment, the telescopic rod 6 is divided into a fixed end and an extension end, and a tension spring is connected between the fixed end and the extension end inside the telescopic rod 6.

[0042] In the embodiment, the telescopic rod 6 is arranged to increase the stability of the base 5 when moving up and down, so as to avoid the shaking of the base 5 when moving up and down.

[0043] The working principle and use process of the utility model are as follows: before using the radio and television body 1, the sound-absorbing bubble cotton 3 inside the noise reduction shell 2 is installed outside the radio receiving assembly 10 at both ends of the radio and television body 1, the noise reduction shell 2 is taken out, the noise reduction shell 2 is sleeved outside the guide rail 11 at both ends of the radio and television body 1, at this time, the guide rail 11 is inserted into the inside of the noise reduction shell 2 and contacts the surface of the limiting shell 12 inside the noise reduction shell 2, when the noise reduction shell 2 completely covers the outside of the guide rail 11, the flip cover 4 at the bottom of the noise reduction shell 2 is pushed up, the magnetic sheet 13 at the top end of the flip cover 4 is magnetically fixed to the bottom end of the limiting shell 12, the installation of the noise reduction shell 2 is completed, then the height of the radio and television body 1 is adjusted according to the use condition, the motors 8 at both ends of the hollow shell 7 are started, the threaded rod 14 at the output end of the motor 8 is rotated, the moving block 15 outside the threaded rod 14 moves to the middle of the inside of the hollow shell 7, at this time, the connecting rod 9 at the top end of the moving block 15 supports the base 5 and changes the angle, at this time, the height of the radio and television body 1 is adjusted by the base 5, the telescopic rod 6 at both sides of the bottom of the base 5 is deformed, and the shaking of the base 5 when moving up and down can be avoided.

[0044] Finally, it should be pointed out that the above is only a preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A broadcast television apparatus noise reduction apparatus comprising a broadcast television body (1), characterized in that: The radio and television body (1) is provided with a radio component (10) at both ends, the radio and television body (1) is fixedly connected with a guide rail (11) at both end faces, the guide rail (11) is slidably connected with a noise reduction shell (2) outside, the noise reduction shell (2) is fixedly connected with a limiting shell (12) inside, the noise reduction shell (2) is fixedly connected with a sound-absorbing foam (3) outside, the noise reduction shell (2) is rotatably connected with a turnover cover (4) at the bottom end outside, and the turnover cover (4) is fixedly connected with a magnetic sheet (13) at the top end outside.

2. A broadcast television equipment noise reduction device according to claim 1, characterized in that: The limiting shell (12) is in contact with the outside of the guide rail (11), the noise reduction shell (2) is in contact with the left and right end faces of the radio and television body (1), and the magnetic sheet (13) is magnetically fixed with the bottom end of the guide rail (11).

3. A noise reduction device for a broadcast television apparatus as recited in claim 1, wherein: The number of guide rails (11) at one end of the radio and television body (1) is two, and the guide rails (11) are distributed on the front and back sides of one end of the radio and television body (1), and the cross-sectional shape of the guide rail (11) is L-shaped.

4. A noise reduction device for a broadcast television apparatus as recited in claim 1, wherein: The cross-sectional shape of the turnover cover (4) matches the shape of the top end cross section of the noise reduction shell (2), and the middle of the outer end face of the turnover cover (4) is connected with the middle of the bottom end outer end face of the noise reduction shell (2) through a fixed shaft, and the bottom end of the limiting shell (12) is made of metal and can be magnetically attracted by the magnetic sheet (13).

5. A noise reduction device for a broadcast television apparatus as recited in claim 1, wherein: The radio and television body (1) is fixedly connected with a base (5) at the bottom end, the base (5) is fixedly connected with a telescopic rod (6) at the bottom left and right sides, the telescopic rod (6) is fixedly connected with a hollow shell (7) at one end away from the base (5), the hollow shell (7) is fixedly connected with a motor (8) at the left and right end faces, the motor (8) is fixedly connected with a threaded rod (14) at the output end, the threaded rod (14) is spirally connected with a moving block (15) outside, the moving block (15) is rotatably connected with a connecting rod (9) at the top end, the connecting rod (9) is rotatably connected with the middle of the base (5) bottom at one end away from the moving block (15), one end of the threaded rod (14) away from the motor (8) is rotatably connected with the middle of the inside of the hollow shell (7), the moving block (15) is in contact with the inner wall of the hollow shell (7) outside, and the connecting rod (9) is slidably connected with the middle of the inside of the hollow shell (7) outside.

6. A broadcast television apparatus noise reduction apparatus as claimed in claim 5, characterized in that: The left and right sides of the middle of the inside of the hollow shell (7) are provided with a chute from left to right, and the width of the chute matches the diameter of the cross section of the connecting rod (9), and the motor (8) can rotate forward and reverse.

7. A broadcast television apparatus noise reduction apparatus as claimed in claim 5, characterized in that: The inside of the telescopic rod (6) is divided into a fixed end and an extension end, and a tension spring is connected between the fixed end and the extension end inside the telescopic rod (6), and the overall length of the telescopic rod (6) after extension is the same as the length of the connecting rod (9).

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