Internal heat dissipation structure of wall-mounted sound box

Abstract

The utility model provides an internal heat dissipation structure of a wall-mounted sound box, which comprises a sound box body, through the use of a heat dissipation mechanism, the dynamic movement of a heat dissipation fan in a placement cavity is realized, after a motor is started, the rotation of a threaded rod drives a moving block to move along the direction of the moving block, and the arrangement of balls converts sliding friction into rolling friction, so that the heat dissipation effect of the sound box is improved. The transmission efficiency is remarkably improved, heat and energy loss generated by mechanical friction is reduced, the moving block can more smoothly do reciprocating motion, the service life of mechanical parts is prolonged, the cooling fan moves along with the moving block, uniform cooling is conducted on the interior of the containing cavity, and hot air in the containing cavity is cooled through the flow guide cover. The air is discharged through the corrugated pipe and the exhaust pipe, the corrugated pipe has flexibility and can adapt to the position change of the cooling fan in the moving process, meanwhile, smooth transmission of the air flow is kept, excessive cooling holes do not need to be formed in the inner wall of the loudspeaker box body, the working stability of electronic elements in the loudspeaker box is improved, and the service life of the electronic elements in the loudspeaker box is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of sound box, concretely is a wall -hanging sound box internal heat radiation structure. BACKGROUND

[0002] The wall -hanging sound box is a kind of sound equipment designed to be installed on wall, it has compact volume and unique appearance design, can be fused with indoor decoration style, simultaneously provides high-quality audio output.

[0003] The traditional sound box internal heat radiation structure is usually fixedly installed at certain position inside sound box, and this fixed heat dissipation mode cannot realize uniform heat dissipation to sound box interior, since electronic components (such as power amplifier, circuit board etc.) in sound box interior can generate heat during operation process, and heat distribution is uneven, and fixed-position heat dissipation fan is difficult to cover all heating areas, resulting in local temperature being too high, especially some high-power sound boxes, influence the performance and service life of electronic components. UTILITY MODEL CONTENTS

[0004] The utility model mainly provides a wall -hanging sound box internal heat radiation structure to solve the technical problem in the above background art.

[0005] The utility model solves the technical problems that the utility model adopts the technical scheme that:

[0006] A wall -hanging sound box internal heat radiation structure, including sound box body, the rear side of sound box body is fixedly connected with installation support, and the inside of sound box body is provided with placing cavity, both sides in the inside of placing cavity are equipped with heat dissipation mechanism, and the mouth of placing cavity is fixedly installed with cover plate through bolt, the surface of cover plate is installed with high pitch loudspeaker, and the surface of cover plate is installed with bass loudspeaker below high pitch loudspeaker.

[0007] Preferably, the heat dissipation mechanism includes motor, threaded rod, moving block, heat dissipation fan, flow guide cover, bellows, exhaust pipe, both sides of the top wall of the placing cavity are fixedly connected with motor, and the output shaft end of motor is connected with threaded rod, the bottom of threaded rod is connected with the bottom wall of placing cavity through pivot, and the outer side of one end of threaded rod is connected with moving block, one side of moving block is fixedly connected with heat dissipation fan, the rear end of heat dissipation fan is fixedly connected with flow guide cover, and the top of flow guide cover is fixedly connected with bellows, and the top of bellows is fixedly connected with exhaust pipe, and one end of exhaust pipe is connected with sound box body heat dissipation hole.

[0008] Preferably, the threaded rod and moving block threaded connection place roll with ball.

[0009] Preferably, the heat dissipation fan is fixedly connected with a limiting block on the side away from the moving block, and the limiting block is movably connected with a limiting rod through a mounting hole at one end, and the limiting rod is fixedly connected with the top wall and the bottom wall of the placing cavity at both ends.

[0010] Preferably, the heat dissipation fan is fixedly connected with a connecting block on one side of both upper and lower ends, the top wall and the bottom wall of the placing cavity are both connected with a normally open switch, and the two normally open switches and the two connecting blocks are located on the same vertical line inside the placing cavity.

[0011] Preferably, the fan blades of the heat dissipation fan are made of plastic material, and a layer of anti-static coating is coated on the surface of the fan blades, and the thickness of the anti-static coating is 0.8-1.2 mm.

[0012] Preferably, the sound film of the high-frequency loudspeaker and the low-frequency loudspeaker is directly led by copper foil, and the sound film of the low-frequency loudspeaker adopts a PP basin with a structure of gradually thinning from the middle to the periphery.

[0013] Compared with the prior art, the heat dissipation fan of the utility model has the advantages that:

[0014] 1. By using the heat dissipation mechanism, the heat dissipation fan can move dynamically in the placing cavity. After the motor is started, the rotation of the threaded rod drives the moving block to move in the direction, and the setting of the ball changes the sliding friction into rolling friction, significantly improves the transmission efficiency, reduces the heat and energy loss generated by mechanical friction, makes the moving block move more smoothly, prolongs the service life of the mechanical parts, and the heat dissipation fan moves with the moving block to uniformly heat the inside of the placing cavity, and the internal hot air is discharged through the bell mouth, the corrugated pipe and the exhaust pipe, the corrugated pipe has the flexibility to adapt to the position change of the heat dissipation fan during the movement, and the smooth transmission of the airflow is maintained, without the need to open too many heat dissipation holes on the inner wall of the sound box body, the working stability and service life of the electronic components in the sound box are improved, and the performance and reliability of the sound box during long-time operation are ensured.

[0015] 2. When the heat dissipation fan moves to the limit position, the connecting block triggers the normally open switch, and the motor changes the rotation direction immediately, so that the moving block moves reversely without manual intervention, realizes the continuous reciprocating motion of the heat dissipation fan in the specific area inside the sound box, fully covers the main heating area, and ensures the uniformity and effectiveness of heat dissipation.

[0016] The utility model will be explained in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the internal structure schematic view of the placing cavity of the utility model;

[0018] Figure 2Northwest view angle structure schematic diagram of the whole appearance of the utility model;

[0019] Figure 3 Northeast view angle structure schematic diagram of the whole appearance of the utility model;

[0020] Figure 4 Cover plate and sound box body connecting structure schematic diagram of the utility model;

[0021] Figure 5 Threaded rod and moving block threaded connection structure schematic diagram of the utility model;

[0022] Figure 6 For Figure 1 Enlarged view of A in the middle;

[0023] Figure 7 The utility model discloses a fairing and bellows connecting structure schematic diagram.

[0024] In the drawing, reference numerals: 1, sound box body;2, mounting support;3, place cavity;4, heat dissipation mechanism;401, motor;402, threaded rod;403, moving block;404, heat dissipation fan;405, fairing;406, bellows;407, exhaust pipe;5, cover plate;6, tweeter;7, woofer;8, ball;9, limit block;10, limit rod;11, connecting block;12, normally open switch. Specific implementation

[0025] In order to facilitate understanding the utility model, below will be with reference to relevant drawings more comprehensive description of the utility model, the drawings show several embodiments of the utility model, but the utility model can be realized through different forms, and is not limited to the embodiments described in the text, on the contrary, provide these embodiments are to make the disclosed content of the utility model more thorough and comprehensive.

[0026] Embodiment

[0027] Please refer to the drawings Figures 1-5A wall-mounted sound box internal heat dissipation structure, including sound box body 1, the rear side of sound box body 1 is fixedly connected with mounting bracket 2, for securely installing sound box on the wall or other support surface, sound box body 1 is internally provided with placing cavity 3, for accommodating various electronic components and heat dissipation device, both sides of placing cavity 3 are provided with heat dissipation mechanism 4, for driving heat dissipation fan 404 to move in the cavity, realize uniform heat dissipation, the mounting mouth of placing cavity 3 is fixedly installed with cover plate 5 by bolt, the surface of cover plate 5 is installed with tweeter 6 and woofer 7, tweeter 6 is located above cover plate 5, for playing high-frequency sound signal;Woofer 7 is installed below tweeter 6, for playing low-frequency sound signal, the diaphragm of two loudspeakers is directly led with copper foil, which helps to improve the conductivity and sound quality of the loudspeaker, the diaphragm of woofer 7 is made of PP basin material, with the structure of thick in the middle and gradually thinning around, enhancing the vibration performance of the diaphragm, thereby improving the playing effect of low frequency, heat dissipation mechanism 4 is including motor 401, threaded rod 402, moving block 403, heat dissipation fan 404, both sides of the top wall of placing cavity 3 are fixedly connected with motor 401, the output shaft end of motor 401 is connected with threaded rod 402, the bottom of threaded rod 402 is connected with the bottom wall of placing cavity 3 through the rotating shaft, to ensure that threaded rod 402 can stably rotate, the outer side of one end of threaded rod 402 is screw-connected with moving block 403, moving block 403 can move on threaded rod 402, there is ball 8 in the rolling friction of the screw thread connection between threaded rod 402 and moving block 403, the setting of ball 8 can convert the sliding friction between moving block 403 and threaded rod 402 into rolling friction, thereby reducing mechanical friction, improving transmission efficiency, making moving block 403 can more smoothly reciprocate on threaded rod 402, heat dissipation fan 404 is fixedly connected on one side of moving block 403, moves with the movement of moving block 403, thereby forming a dynamic airflow in placing cavity 3, the rear end of heat dissipation fan 404 is fixedly connected with flow guide cover 405, the main function of flow guide cover 405 is to guide the airflow generated by heat dissipation fan 404, so that it can flow more concentratedly and effectively, the top of flow guide cover 405 is fixedly connected with bellows 406, which is a kind of pipeline with elastic extension function, it can adapt to the position change of heat dissipation fan 404 in the moving process, while keeping the smooth transmission of airflow, the top of bellows 406 is fixedly connected with exhaust pipe 407, exhaust pipe 407 is responsible for discharging the airflow guided through bellows 406 from sound box body 1, realizing heat dissipation, heat dissipation fan 404 is fixedly connected with limit block 9 on the side away from moving block 403, limit block 9 is movably connected with limit rod 10 through mounting hole, the two ends of limit rod 10 are fixedly connected with the top wall and bottom wall of placing cavity 3, for limiting the moving range of heat dissipation fan 404, to ensure that it moves stably in the predetermined track, one side of the upper and lower ends of heat dissipation fan 404 is fixedly connected with connecting block 11, the top wall and bottom wall of placing cavity 3 are connected with normally open switch 12,And two normally open switches 12 and two connecting blocks 11 are located on the same vertical line inside the placement cavity 3, when the cooling fan 404 moves to the limit position upward or downward, the connecting block 11 will contact the normally open switch 12, trigger the switch action, change the rotating direction of the motor 401, make the moving block 403 reverse movement, ensure that the cooling fan 404 can continuously reciprocate in a specific area inside the placement cavity 3, cover the main heating area comprehensively, realize effective cooling, the fan blades of the cooling fan 404 are made of plastic material, and a layer of anti-static coating is coated on the surface, which can effectively reduce the generation of static electricity, thereby reducing dust adsorption, maintaining the cleanliness and efficient operation of the fan blades, the thickness of the fan blades is 0.8-1.2mm, which ensures the strength of the fan blades and has good flexibility, and can keep stable when rotating at high speed.

[0028] The specific operation mode of the utility model is as follows:

[0029] Start the driving motor 401, the output shaft end of the motor 401 drives the threaded rod 402 to rotate, the rotation of the threaded rod 402 can make the moving block 403 move along the direction of the threaded rod 402, and the threaded connection between the threaded rod 402 and the moving block 403 is provided with a ball 8, so that the friction between the moving block 403 and the threaded rod 402 is changed from sliding friction to rolling friction, thereby significantly improving the transmission efficiency, reducing the heat and energy loss generated by mechanical friction, and making the moving block 403 more smoothly reciprocate on the threaded rod 402, the moving block 403 drives the cooling fan 404 to move inside the placement cavity 3, realizes uniform cooling inside the placement cavity 3, and the internal hot air is discharged through the bell mouth 405, the corrugated pipe 406 and the exhaust pipe 407, effectively avoids the overhigh local temperature inside the placement cavity 3 caused by uneven cooling, when the cooling fan 404 moves to the limit position upward or downward, the connecting block 11 will contact the normally open switch 12 installed on the top wall and the bottom wall of the placement cavity 3, trigger the switch action, at this time, the motor 401 will change the rotating direction, so that the moving block 403 reverses movement, the moving block 403 drives the cooling fan 404 to continuously reciprocate in a specific area inside the sound box, covers the main heating area comprehensively, realizes effective cooling.

[0030] The utility model is described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above mode, as long as the method concept and technical scheme of the utility model are adopted for this non-essential improvement, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A wall-mounted sound box internal heat dissipation structure, comprising a sound box body (1), characterized in that: The loudspeaker body (1) rear side fixedly connected with installation support (2), and the loudspeaker body (1) inside is provided with a placing cavity (3), the placing cavity (3) inside one side is equipped with heat dissipation mechanism (4), and the placing cavity (3) installation mouth is fixedly installed with cover plate (5) through bolt, the cover plate (5) surface is installed with high pitch loudspeaker (6), and the cover plate (5) surface is installed with bass loudspeaker (7) below high pitch loudspeaker (6).

2. The heat dissipation structure inside a wall-mounted sound box according to claim 1, characterized in that, The heat dissipation mechanism (4) includes motor (401), threaded rod (402), moving block (403), heat dissipation fan (404), flow guide cover (405), bellows (406), exhaust pipe (407), the placing cavity (3) top wall both sides are fixedly connected with motor (401), and the motor (401) output shaft end is connected with threaded rod (402), the threaded rod (402) bottom is connected with the bottom wall of placing cavity (3) through pivot, and the threaded rod (402) one end outer side is connected with moving block (403) by screw thread, the moving block (403) one side is fixedly connected with heat dissipation fan (404), the heat dissipation fan (404) rear end is fixedly connected with flow guide cover (405), and the flow guide cover (405) top is fixedly connected with bellows (406), and the bellows (406) top is fixedly connected with exhaust pipe (407), and the exhaust pipe (407) one end is connected with loudspeaker body (1) heat dissipation hole connection.

3. The heat dissipation structure inside a wall-mounted sound box according to claim 2, characterized in that, The threaded rod (402) and moving block (403) screw thread connection place rolling friction has ball (8).

4. The heat dissipation structure inside a wall-mounted sound box according to claim 2, characterized in that, The heat dissipation fan (404) is fixedly connected with limit block (9) on the side away from moving block (403), and the limit block (9) one end is movably connected with limit rod (10) through mounting hole, and the limit rod (10) both ends are fixedly connected with the top wall and bottom wall of placing cavity (3).

5. The heat dissipation structure inside a wall-mounted sound box according to claim 2, characterized in that, The heat dissipation fan (404) upper and lower ends one side is fixedly connected with connecting block (11), the placing cavity (3) top wall and bottom wall are connected with normally open switch (12), and two the normally open switch (12) and two connecting block (11) are located on the same vertical line in the placing cavity (3).

6. The heat dissipation structure inside a wall-mounted sound box according to claim 2, characterized in that, The fan blade of the heat dissipation fan (404) is made of plastic material, and a layer of anti-static coating is coated on the surface thereof, and the thickness is 0.8-1.2mm.

7. The heat dissipating structure inside a wall-mounted speaker cabinet according to claim 1, wherein, The sound film of the high pitch loudspeaker (6) and bass loudspeaker (7) uses copper foil to directly lead out the wire, and the sound film of the bass loudspeaker (7) adopts PP basin, which has a structure of gradually thinning from the middle to the periphery.

Images