Loudspeaker capable of dissipating heat easily

Abstract

The utility model belongs to the technical field of sound equipment, and particularly discloses a loudspeaker easy to dissipate heat, which comprises a box body, the front end of the box body is fixedly provided with a front end cover, the center of the front end cover is fixedly provided with a loudspeaker, the center of the top end of the box body is fixedly provided with a handle, and the rear part of the box body is provided with a telescopic pull rod; a bottom plate is fixedly connected to the center of the bottom end of the inner wall of the box body, a circuit board component is fixedly installed at the top end of the bottom plate, a ventilation pipeline is arranged on the periphery of the circuit board component to wrap the circuit board component, the two ends of the ventilation pipeline are fixed to the inner walls of the two sides of the box body, and openings are formed in the positions, corresponding to the ventilation pipeline, of the two sides of the box body. An air inlet is formed in the right side wall of the box body, an air outlet is formed in the left side wall of the box body, an air inlet fan is fixedly installed on the inner side of the air inlet, an air outlet fan is fixedly installed on the inner side of the air outlet, and sound absorption cotton is fixedly arranged on the outer wall of each ventilation pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of audio, in particular to a speaker that is easy to dissipate heat. Background Art

[0002] Audio refers specifically to an audio system that produces sound through a combination of electrical equipment. With the progress of society, people yearn for a more colorful life. Singing and dancing, as a form of entertainment that has been passed down for thousands of years, has penetrated into the lives of people of all ethnic groups. However, with the development and progress of science and technology, people have more and more requirements for the performance forms and venues of singing and dancing. The audio system has been continuously improved and perfected to meet the needs of people, from meeting the needs of live sound reinforcement for concerts with tens of thousands of people to meeting the needs of playing musical instruments and karaoke at home. However, the power amplifier is prone to heat up during the operation of the audio system.

[0003] In the prior art, there is a public technical solution for an easy-to-dissipate heat speaker. The Chinese patent application number is CN202120091459.2, the application date is January 14, 2021, and the name of the invention is: an easy-to-dissipate heat speaker. The application discloses an easy-to-dissipate heat speaker, including an audio body, the top of the outer surface of the audio body is fixedly connected to an upper cover, the middle of the top surface of the upper cover is fixedly connected to a handle, and the bottom ends of both sides of the audio body are provided with a plurality of vents, and both sides of the audio body close to the inner wall of the vent are fixedly connected to a first connector, and one end of the two first connectors close to the vent is fixedly connected to a filter. The advantage of the utility model is that by providing a plurality of vents at the bottom ends of both sides of the audio body, the circuit board component is fixedly connected to the top surface of the bottom plate, the bottom plate is fixedly connected to the audio body, and a fan is clamped inside the mounting groove, so that external air can enter the interior of the closed housing along the plurality of vents, the first connector and the ventilation pipe, cool the circuit board component, thereby reducing the overall temperature and maintaining a relatively closed environment inside the audio body;

[0004] The above technical solution dissipates heat by setting up vents and fans, but in actual use, the fan will generate noise during operation, affecting the sound playback effect; therefore, based on this application, the heat-dissipating speaker is improved. Utility Model Content

[0005] The purpose of the utility model is to provide a speaker that is easy to dissipate heat, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a speaker that is easy to dissipate heat, comprising a box body, a front end cover is fixedly installed on the front end of the box body, a speaker is fixedly installed at the center of the front end cover, a handle is fixedly installed at the center of the top end of the box body, and a retractable pull rod is provided at the rear of the box body; a bottom plate is fixedly connected to the center of the bottom end of the inner wall of the box body, a circuit board component is fixedly installed on the top of the bottom plate, a ventilation duct is provided around the periphery of the circuit board component, two ends of the ventilation duct are fixed on the inner walls on both sides of the box body, openings are provided on both sides of the box body at corresponding positions of the ventilation duct, the right side wall of the box body is an air inlet, and the left side wall of the box body is an air outlet, an air inlet fan is fixedly installed on the inner side of the air inlet, an air outlet fan is fixedly installed on the inner side of the air outlet, and sound-absorbing cotton is fixedly provided on the outer walls of the ventilation duct.

[0007] Preferably, support legs are fixedly mounted at two end corners of the bottom end of the box body close to the front end cover.

[0008] Preferably, pulleys are symmetrically arranged at two end corners of the bottom end of the box body close to the pull rod.

[0009] Preferably, a detachable dust screen is installed on the outside of the air outlet and the outside of the air inlet.

[0010] Preferably, the rear panel of the inner wall of the box and the left and right end panels are fixedly provided with sound-absorbing cotton.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is an easy-to-dissipate heat speaker that dissipates the heat generated by the circuit board components in the ventilation duct by arranging an air inlet fan and an air outlet fan, thereby reducing the overall temperature and increasing the service life of the electronic components; the utility model is provided with sound-absorbing cotton on the outer wall of the ventilation duct and on the inner wall of the box, and the sound-absorbing cotton absorbs the noise generated by the fan operation, thereby reducing the influence of the heat dissipation operation on the sound quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the ventilation duct of the utility model;

[0014] Figure 3 It is an exploded view of the ventilation duct of the utility model.

[0015] In the figure: 1. Box body; 2. Handle; 3. Pull rod; 4. Front cover; 5. Speaker; 6. Bottom plate; 7. Circuit board components; 8. Ventilation duct; 9. Sound-absorbing cotton; 10. Air inlet; 11. Air outlet; 12. Air inlet fan; 13. Air outlet fan; 14. Dust net; 15. Support leg; 16. Pulley. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: an easy-to-dissipate heat speaker, comprising a box body 1, a front end cover 4 is fixedly installed at the front end of the box body 1, a speaker 5 is fixedly installed at the center of the front end cover 4, a handle 2 is fixedly installed at the center of the top end of the box body 1, and a retractable pull rod 3 is arranged at the rear of the box body 1; a bottom plate 6 is fixedly connected to the center of the bottom end of the inner wall of the box body 1, a circuit board component 7 is fixedly installed at the top of the bottom plate 6, and a ventilation duct 8 is arranged around the periphery of the circuit board component 7, and both ends of the ventilation duct 8 are fixed to the inner walls of both sides of the box body 1, and openings are arranged at the corresponding positions of the ventilation duct 8 on both sides of the box body 1, an air inlet 10 is arranged on the right side wall of the box body 1, and an air outlet 11 is arranged on the left side wall of the box body 1, an air inlet fan 12 is fixedly installed on the inner side of the air inlet 10, and an air outlet fan 13 is fixedly installed on the inner side of the air outlet 11, and sound-absorbing cotton 9 is fixedly arranged on the outer wall of the ventilation duct 8.

[0020] Furthermore, support legs 15 are fixedly installed at two end corners of the bottom end of the box body 1 close to the front end cover 4.

[0021] Furthermore, pulleys 16 are symmetrically arranged at two end corners of the bottom end of the box body 1 close to the pull rod 3 .

[0022] Furthermore, a detachable dustproof net 14 is installed on the outside of the air outlet 11 and the outside of the air inlet 10. The dustproof net 14 filters impurities such as dust in the air to prevent dust from accumulating on the surface of the circuit board component 7, thereby ensuring normal operation of the device.

[0023] Furthermore, sound-absorbing cotton 9 is fixedly provided on the rear panel and the left and right end panels of the inner wall of the box body 1.

[0024] Working principle: The utility model provides an easy-to-dissipate heat speaker, including a box body 1, a front end cover 4 is fixedly installed at the front end of the box body 1, a speaker 5 is fixedly installed at the center of the front end cover 4, a handle 2 is fixedly provided at the center of the top of the box body 1, and the handle 2 is convenient for lifting the speaker as a whole, a retractable pull rod 3 is provided at the rear of the box body 1, and a supporting leg 15 and a pulley 16 are also provided at the bottom end of the box body 1. When the speaker needs to be moved, the pull rod 3 is pulled to tilt the box body 1 so that the supporting points of the box body 1 are the two pulleys at the bottom end, which is convenient for moving. When it is not necessary to move, the box body 1 is placed vertically, and the supporting legs 15 at the bottom end of the box body 1 fall on the ground to prevent the box body from sliding; a bottom plate 6 is fixedly connected to the center of the bottom end of the inner wall of the box body 1, and a circuit board component 7 is fixedly installed at the top of the bottom plate 6 The periphery of the circuit board component 7 is wrapped with a ventilation duct 8, and both ends of the ventilation duct 8 are fixed on the inner walls on both sides of the box body 1. Openings are set on both sides of the box body 1 at corresponding positions of the ventilation duct 8, the right side wall of the box body 1 is an air inlet 10, and the left side wall of the box body 1 is an air outlet 11. An air inlet fan 12 is fixedly installed on the inner side of the air inlet 10, and an air outlet fan 13 is fixedly installed on the inner side of the air outlet 11. The outer walls of the ventilation duct 8 are fixedly provided with sound-absorbing cotton 9; when in specific use, the air inlet fan 12 sucks wind into the ventilation duct 8, and the sucked wind cools the circuit board component 7, and then the air outlet fan 13 blows the hot air out of the ventilation duct 8. When the fan is operating, the sound-absorbing cotton 9 on the outer wall of the ventilation duct 8 absorbs sound and insulates heat, thereby reducing the influence of heat dissipation operation on the sound quality of audio playback.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A speaker that can dissipate heat easily, characterized in that: The invention comprises a box body (1), a front end cover (4) is fixedly mounted on the front end of the box body (1), a speaker (5) is fixedly mounted at the center of the front end cover (4), a handle (2) is fixedly mounted at the center of the top end of the box body (1), and a retractable pull rod (3) is arranged at the rear of the box body (1); a bottom plate (6) is fixedly connected to the center of the bottom end of the inner wall of the box body (1), a circuit board component (7) is fixedly mounted on the top end of the bottom plate (6), and a ventilation duct (8) is arranged on the periphery of the circuit board component (7) to enclose The two ends of the ventilation duct (8) are fixed on the inner walls on both sides of the box body (1); openings are arranged on both sides of the box body (1) at positions corresponding to the ventilation duct (8); the right side wall of the box body (1) is an air inlet (10); the left side wall of the box body (1) is an air outlet (11); an air inlet fan (12) is fixedly installed on the inner side of the air inlet (10); an air outlet fan (13) is fixedly installed on the inner side of the air outlet (11); and sound-absorbing cotton (9) is fixedly installed on the outer wall of the ventilation duct (8).

2. The easy-to-dissipate-heat speaker according to claim 1, characterized in that: Support legs (15) are fixedly mounted at two end corners of the bottom end of the box body (1) close to the front end cover (4).

3. The easy-to-dissipate-heat speaker according to claim 1, characterized in that: Pulleys (16) are symmetrically arranged at two end corners of the bottom end of the box body (1) close to the pull rod (3).

4. The easy-to-dissipate-heat speaker according to claim 1, characterized in that: A detachable dustproof net (14) is installed on the outside of the air outlet (11) and the outside of the air inlet (10).

5. The easy-to-dissipate-heat speaker according to claim 1, characterized in that: Sound-absorbing cotton (9) is fixedly arranged on the rear panel and the left and right end panels of the inner wall of the box body (1).

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