CN217693623U - Stereo floor sound box of digital power amplifier - Google Patents
Stereo floor sound box of digital power amplifier Download PDFInfo
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- CN217693623U CN217693623U CN202221491616.XU CN202221491616U CN217693623U CN 217693623 U CN217693623 U CN 217693623U CN 202221491616 U CN202221491616 U CN 202221491616U CN 217693623 U CN217693623 U CN 217693623U
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- cover
- horn
- power amplifier
- sound box
- digital power
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Abstract
The utility model discloses a stereo loudspeaker box that falls to ground of digital power amplifier, including loudspeaker fixed part, go up loudspeaker cover, loudspeaker cover and the fixed lid of PCB down. The horn fixing part is provided with a hollow column with a large two ends and a thin middle structure and horns arranged at the two ends of the hollow column; the upper horn cover is fixed at the upper end of the horn fixing part, the lower horn cover is fixed at the lower end of the horn fixing part, the PCB fixing cover is covered at the open end of the upper horn cover, and the PCB control board is installed on the inner cover surface of the PCB fixing cover; the base cover is connected with the open end of the lower horn cover. The utility model discloses a fall to ground audio amplifier novel structure, it adopts be that mounting structure about two loudspeaker cover uncovered type loudspeaker cover again, make the audio amplifier whole fine, occupy less space. Additionally, the utility model discloses a heat dissipation mode adopts volatile liquid medium to be heated and volatilizees and form gaseous state medium and take away the heat, then rethread increase heat radiating area makes gaseous state medium cooling form liquid medium backward flow to the heat-conducting piece in, reaches radiating purpose.
Description
Technical Field
The utility model relates to an audio amplifier, specific saying so relates to a stereo sound box that falls to ground of digital power amplifier.
Background
A speaker refers to a device that can convert an audio signal into sound. The popular way is that a power amplifier is arranged in a main box body or a bass box body of the sound box, and the sound is emitted back by the sound box after the audio signal is amplified, so that the sound is increased. The loudspeaker box is the terminal of the whole sound system, and is used for converting audio electric energy into corresponding sound energy and radiating the audio electric energy into a space. It is an extremely important component of an audio system and is responsible for the task of converting electrical signals into acoustic signals for direct listening by the human ear.
Traditional floor sound box is vertical cube structure, and the style is single.
The heat dissipation of the sound box is mainly a power amplifier, but various brands and models are different, some of the sound boxes use fans for heat dissipation, and some of the sound boxes use radiating fins for heat dissipation. Generally speaking, the power amplifier is placed in a ventilated place and does not need to be placed in a windproof cabinet, the heat dissipation capacity of the power amplifier is large during work, and other objects do not need to be placed around the power amplifier to block a ventilation opening.
At present, no floor sound box with a loudspeaker arranged up and down appears in the market.
SUMMERY OF THE UTILITY MODEL
Not enough to among the prior art, the to-be-solved technical problem of the utility model lies in providing a stereo audio amplifier that falls to the ground of digital power amplifier, and the purpose of designing this sound amplifier that falls to the ground improves the sight of audio amplifier, improves the radiating mode.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a stereo loudspeaker that falls to ground of digital power amplifier, include:
the loudspeaker fixing part is provided with a hollow column with a large two ends and a thin middle structure and loudspeakers arranged at the two ends of the hollow column, and the sounding surface of each loudspeaker faces outwards;
the upper horn cover is fixed at the upper end of the horn fixing part, the upper horn cover and the upper end of the horn fixing part are connected and transited smoothly, and the upper horn cover is of an open structure with gradually larger diameter upwards;
the lower horn cover is fixed at the lower end of the horn fixing part, the lower horn cover and the lower end of the horn fixing part are connected and transited smoothly, and the lower horn cover is of an open structure with gradually increased length and width downwards;
the PCB fixing cover is covered and connected with the open end of the upper horn cover, and the PCB control board is installed on the inner cover surface of the PCB fixing cover;
and the base is connected with the open end of the lower horn cover in a covering mode.
Furthermore, a first sound through hole is fully distributed on the ring surface of the upper horn cover.
Furthermore, a second sound through hole is distributed on the ring surface of the lower horn cover.
Furthermore, a balancing weight is arranged in the base.
Further, the floor sound box further comprises a heat dissipation system.
Further, the heat dissipation system includes:
the ring-shaped frame is provided with a containing cavity and is fixed on the outer cover surface of the PCB fixing cover through at least three support rods, and the support rods are hollow and are communicated with the containing cavity of the ring-shaped frame;
be fixed in the heat conduction spare of the inner cover face of PCB fixed cover, the heat conduction spare will the PCB control panel covers and its inside has the stock solution room, the volatile liquid medium of non-full state is equipped with in the stock solution room, be equipped with a plurality of quick-operation joints on the heat conduction spare, the quick-operation joint pass through flexible pipe with branch is connected, makes the appearance chamber of stock solution room, flexible pipe, branch and circle type frame forms confined intercommunication chamber.
Furthermore, the ring-shaped frame is an aluminum alloy frame.
Further, the volatile liquid medium includes one of ethanol and acetone.
Furthermore, the supporting rod and the heat conducting piece are aluminum alloy pieces.
Further, each strut is bent outwardly to form an arcuate configuration.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fall to ground audio amplifier novel structure, it adopts be mounting structure about two loudspeaker, covers uncovered type loudspeaker cover again, makes the audio amplifier whole fine, occupies less space.
Additionally, the utility model discloses a heat dissipation mode adopts volatile liquid medium to be heated and volatilizees and form gaseous state medium and take away the heat, then rethread increase heat radiating area makes gaseous state medium cooling form liquid medium backward flow to the heat-conducting piece in, reaches radiating purpose.
Drawings
Fig. 1 is a structural diagram of the floor sound box of the present invention.
Fig. 2 is a structural diagram of the speaker fixing portion of the present invention.
Fig. 3 is a schematic view of the mounting structure of the heat dissipation system of the present invention.
Fig. 4 is a schematic structural view of the heat conducting member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
referring to fig. 1-4, the utility model discloses a stereo floor sound box of digital power amplifier, include:
the loudspeaker fixing part 5 is provided with a hollow column with two large ends and a thin middle structure and loudspeakers 7 arranged at the two ends of the hollow column, and the sounding surface of each loudspeaker faces outwards;
the upper horn cover 4 is fixed at the upper end of the horn fixing part 5, the upper horn cover 4 and the upper end of the horn fixing part 5 are in smooth connection and transition, and the upper horn cover 4 is of an open structure with gradually larger diameter upwards;
the lower horn cover 6 is fixed at the lower end of the horn fixing part 5, the lower horn cover 6 and the lower end of the horn fixing part 5 are connected and transited smoothly, and the lower horn cover 6 is of an open structure with gradually-increased length and width downwards;
the PCB fixing cover 3 is covered and connected with the open end of the upper horn cover 4, and the PCB control board is installed on the inner cover surface of the PCB fixing cover;
and the base 12 is covered and connected with the open end of the lower horn cover 6.
A preferred technical solution of this embodiment: first sound through holes are distributed on the ring surface of the upper horn cover 4.
A preferred technical solution of this embodiment: and a second sound through hole is distributed on the ring surface of the lower horn cover 6.
A preferred technical solution of this embodiment: a balancing weight is arranged in the base 12.
A preferred technical solution of this embodiment: the floor sound box further comprises a heat dissipation system.
A preferred technical solution of this embodiment: the heat dissipation system includes:
the ring-shaped frame 1 is provided with a containing cavity, the ring-shaped frame 1 is fixed on the outer cover surface of the PCB fixing cover 3 through at least three support rods 2, and the support rods 2 are hollow and are communicated with the containing cavity of the ring-shaped frame 1;
be fixed in the heat conduction 8 of the capping in the fixed lid 3 of PCB, heat conduction 8 will the PCB control panel covers and its inside stock solution room 9 that has, be equipped with the volatile liquid medium 10 of non-full state in the stock solution room 9, be equipped with a plurality of quick-operation joint 11 on the heat conduction 8, quick-operation joint 11 pass through flexible pipe with branch 2 is connected, makes stock solution room 9, flexible pipe, branch and circle type frame 1 hold the chamber and form confined intercommunication chamber.
A preferred technical solution of this embodiment: the ring-shaped frame 1 is an aluminum alloy frame.
A preferred technical solution of this embodiment: the volatile liquid medium 10 includes one of ethanol and acetone.
A preferred technical solution of this embodiment: the supporting rod 2 and the heat conducting piece 8 are both aluminum alloy pieces.
A preferred technical solution of this embodiment: each strut 2 is bent outwardly to form an arcuate configuration.
Example 2:
as shown in fig. 1-4, the outer wall of the horn fixing portion 5 of the present invention has four sides, and the four sides are all inwardly concave to form a cambered surface, so that the horn fixing portion 5 has a structure with two large ends and a thin middle part. The horn fixing part 5 has a hollow structure penetrating through two ends, the two end openings are respectively provided with a horn 7, and the sound production surfaces of the two vertically distributed horns 7 face outwards. Of the two speakers 7, the woofer is directed downward and the tweeter is directed upward.
The base 12 is provided with a balancing weight, the balancing weight is generally made of iron blocks with rustproof surfaces, and the balancing weight can enable a chassis of the floor sound box to be more stable.
The outer cover surface of the PCB fixing cover 3 is provided with an on-off key, a Bluetooth key, a sound + key and a sound subtracting key.
In addition, the PCB fixing cover 3 may also be provided in a touch key structure.
Example 3:
the following is the utility model discloses cooling system's heat dissipation principle:
like fig. 3-4, when the utility model discloses the during operation, power amplifier on the PCB control panel can release heat in a large number, these heat subtotals are absorbed by the fixed lid 3 of PCB and are gived off to the air, but most heat can be absorbed by heat-conducting piece 8, after heat-conducting piece 8 absorbed the heat, give volatile liquid medium 10 with the heat conduction again, volatile liquid medium 10 is heated and volatilizees into gaseous medium, gaseous medium passes through quick-operation joint 11 and gets into the pipe, get into branch 2 through the pipe again, gaseous medium enters into circle type frame 1 at last. Because the circle type frame 1 is bulky, and heat radiating area is big, consequently, can be very fast with the gaseous state medium cooling, form liquid medium backward flow to the stock solution room 9 in the heat-conducting piece 8 after the gaseous state medium cooling in, reach radiating purpose.
Since liquid can become gaseous at any temperature by evaporation, likewise, gas can become liquid at any temperature below the boiling point. Therefore, the volatile liquid medium 10 of the present invention is one of ethanol and acetone. Ethanol is alcohol with a boiling point of 78.3, acetone with a boiling point of 56.12, and liquid with a low boiling point is volatile by heating.
Although some lower boiling point liquids are available in the market, the liquid with the too low boiling point is gasified quickly, and the requirement on the bearing capacity of the closed communicating cavity is high, so that the purpose of heat dissipation can be better realized by selecting ethanol or acetone.
Example 4:
as shown in FIG. 3, the ring frame 1 of the present invention comprises a cover member and a ring bottom cover with a cavity, the cover member and the ring bottom cover are connected by screws and are provided with a leak-proof silica gel ring at the joint, and a support rod 2 is connected at the lower end of the ring bottom cover.
To sum up, the utility model discloses a fall to ground audio amplifier novel structure, it adopts be two loudspeaker mounting structure from top to bottom, covers uncovered type loudspeaker cover again, makes the audio amplifier whole fine, occupies less space. Additionally, the utility model discloses a radiating mode adopts volatile liquid medium to be heated and volatilize and form gaseous state medium and take away the heat, then rethread increase heat radiating area, makes gaseous state medium cooling form liquid medium backward flow to the heat-conducting piece in, reaches radiating purpose.
The above description is only the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all the equivalent structures or equivalent processes that are used in the specification and drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the scope of the present invention.
Claims (10)
1. A digital power amplifier stereo floor sound box is characterized by comprising:
the loudspeaker fixing part (5) is provided with a hollow column with two large ends and a thin middle structure and loudspeakers (7) arranged at the two ends of the hollow column, and the sounding surface of each loudspeaker faces outwards;
the upper horn cover (4) is fixed at the upper end of the horn fixing part (5), the upper horn cover (4) and the upper end of the horn fixing part (5) are connected and transited in a smooth and smooth mode, and the upper horn cover (4) is of an open structure with the diameter gradually increasing upwards;
the lower horn cover (6) is fixed at the lower end of the horn fixing part (5), the lower horn cover (6) and the lower end of the horn fixing part (5) are connected and transited in a smooth mode, and the lower horn cover (6) is of an open structure with gradually-increased length and width downwards;
the PCB fixing cover (3) is covered and connected with the open end of the upper horn cover (4), and the PCB control board is installed on the inner cover surface of the PCB fixing cover;
and the base (12) is covered and connected with the open end of the lower horn cover (6).
2. The digital power amplifier stereo floor sound box as claimed in claim 1, wherein the ring surface of the upper horn cover (4) is distributed with first sound through holes.
3. The digital power amplifier stereo floor sound box as claimed in claim 1, wherein a second sound through hole is distributed on the ring surface of the lower horn cover (6).
4. The digital power amplifier stereo floor sound box of claim 1, wherein a weight is installed in the base (12).
5. The floor sound box of a digital power amplifier stereo of claim 1, characterized in that, the floor sound box further comprises a heat dissipation system.
6. The floor sound box of a digital power amplifier stereo of claim 5, wherein the heat dissipation system comprises:
the ring-shaped frame (1) is provided with a containing cavity, the ring-shaped frame (1) is fixed on the outer cover surface of the PCB fixing cover (3) through at least three supporting rods (2), and the supporting rods (2) are hollow and are communicated with the containing cavity of the ring-shaped frame (1);
be fixed in heat-conducting piece (8) of capping in the fixed lid (3) of PCB, heat-conducting piece (8) will the PCB control panel covers and its inside stock solution room (9) have, be equipped with volatile liquid medium (10) of non-full state in stock solution room (9), be equipped with a plurality of quick-operation joint (11) on heat-conducting piece (8), quick-operation joint (11) through flexible pipe with branch (2) are connected, make the appearance chamber of stock solution room (9), flexible pipe, branch and circle type frame (1) forms confined intercommunication chamber.
7. The floor sound box of a digital power amplifier stereo according to claim 6, characterized in that the loop frame (1) is an aluminum alloy frame.
8. The floor sound box of a digital power amplifier stereo according to claim 6, characterized in that the volatile liquid medium (10) comprises one of ethanol and acetone.
9. The digital power amplifier stereo floor sound box of claim 6, wherein the support rod (2) and the heat conducting member (8) are aluminum alloy members.
10. The floor sound box of a digital power amplifier stereo according to claim 6, characterized in that each support rod (2) is bent outward to form an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491616.XU CN217693623U (en) | 2022-06-14 | 2022-06-14 | Stereo floor sound box of digital power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491616.XU CN217693623U (en) | 2022-06-14 | 2022-06-14 | Stereo floor sound box of digital power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217693623U true CN217693623U (en) | 2022-10-28 |
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ID=83709317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221491616.XU Active CN217693623U (en) | 2022-06-14 | 2022-06-14 | Stereo floor sound box of digital power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217693623U (en) |
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2022
- 2022-06-14 CN CN202221491616.XU patent/CN217693623U/en active Active
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