CN218587152U - Low-energy-consumption audio power amplifier - Google Patents
Low-energy-consumption audio power amplifier Download PDFInfo
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- CN218587152U CN218587152U CN202221928143.5U CN202221928143U CN218587152U CN 218587152 U CN218587152 U CN 218587152U CN 202221928143 U CN202221928143 U CN 202221928143U CN 218587152 U CN218587152 U CN 218587152U
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- heat conduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to an audio equipment technical field specifically discloses an audio power amplifier of low energy consumption, including audio power amplifier body, casing and heat dissipation mechanism, heat dissipation mechanism is including heat dissipation fan, heat-conducting plate and heat conduction fin, and heat conduction fin's quantity is the polylith, every heat conduction fin respectively with casing fixed connection, and every heat conduction fin runs through the casing respectively, heat-conducting plate and polylith heat conduction fin fixed connection to be located polylith heat conduction fin's one end, the heat dissipation fan sets up in the below of heat-conducting plate. The audio amplifier body can be cooled in the closed shell through the arrangement of the structure, so that the corrosion of sea wind and sea steam is prevented, continuous operation in a high-temperature state is avoided, and the service life of the audio amplifier body is prolonged.
Description
Technical Field
The utility model relates to an audio equipment technical field especially relates to an audio power amplifier of low energy consumption.
Background
At present, an audio power amplifier is used for amplifying audio due to insufficient audio volume, the audio can be transmitted farther, and the tone quality is more stable, but when the audio power amplifier is used in the sea, the audio power amplifier can be corroded by sea steam, so that internal parts are damaged.
In the prior art, a rubber sleeve is sleeved outside an audio power amplifier to protect the audio power amplifier and prevent the audio power amplifier from being damaged.
However, in the prior art, the rubber sleeve is sleeved on the outer surface wall of the audio power amplifier, which results in poor heat dissipation effect of the audio power amplifier, so that the internal parts are in a high-temperature state for a long time, and the service life of the audio power amplifier is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an audio power amplifier of low energy consumption aims at solving the apparent wall cover at audio power amplifier among the prior art and establishes the rubber sleeve, and the radiating effect that leads to audio power amplifier is not good for internals is in high temperature state for a long time, influences audio power amplifier's life's technical problem.
For realizing the above-mentioned purpose, the utility model discloses a low energy consumption's audio power amplifier, including audio power amplifier body, casing and heat dissipation mechanism, heat dissipation mechanism includes heat dissipation fan, heat-conducting plate and heat conduction fin, heat conduction fin's quantity is the polylith, every heat conduction fin respectively with casing fixed connection, and every heat conduction fin runs through respectively the casing, heat-conducting plate and polylith heat conduction fin fixed connection to be located the polylith heat conduction fin's one end, the heat dissipation fan set up in the below of heat-conducting plate.
The heat dissipation mechanism further comprises a plurality of screws, and each screw penetrates through the heat dissipation fan and is in threaded connection with the heat conduction plate.
The heat dissipation mechanism further comprises a sealing adhesive layer, wherein the sealing adhesive layer is fixedly connected with the shell and is located inside the shell.
The heat dissipation mechanism further comprises an RGB lamp ring, and the RGB lamp ring is fixedly connected with the heat dissipation fan and is located at the lower end of the heat dissipation fan.
The audio power amplifier with low energy consumption further comprises an installation mechanism, and the installation mechanism is arranged above the shell.
The mounting mechanism comprises a magnetic strip and a stud, a placing groove is formed above the shell, the magnetic strip is connected with the shell in a sliding mode and located inside the placing groove, the stud is connected with the shell in a threaded mode, and one end of the stud penetrates through the placing groove.
The mounting mechanism further comprises two mounting frame bodies, and each mounting frame body is fixedly connected with the shell and is respectively located on one side of the shell.
The utility model discloses an audio power amplifier of low energy consumption, through the casing is right audio power amplifier body protects, passes through simultaneously heat conduction fin is right the inside heat of casing absorbs, and the absorptive heat conduction of heat conduction fin gives the heat-conducting plate, the heat dissipation fan dispels the heat through the forced air cooling, and it is right to reach the inside radiating purpose that carries on of casing, the setting of going up the structure can make audio power amplifier body is inclosed dispel the heat among the casing to this prevents the corruption of sea wind sea vapour, has avoided lasting function under the high temperature state simultaneously, has improved the life of audio power amplifier body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a bottom view of a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a complete circuit diagram of the class AB differential audio amplifier of the present invention.
Fig. 5 is a bias circuit diagram of the class AB differential audio amplifier of the present invention.
101-audio amplifier body, 102-shell, 103-heat dissipation fan, 104-heat conduction plate, 105-heat conduction fin, 106-screw, 107-sealant layer, 108-RGB lamp ring, 201-magnetic strip, 202-stud and 203-installation frame body.
Detailed Description
The first embodiment of the present application is:
referring to fig. 1 and fig. 2, wherein fig. 1 is a bottom view of a first embodiment, and fig. 2 is a cross-sectional view of the first embodiment, the present invention provides an audio power amplifier with low energy consumption: the audio amplifier comprises an audio amplifier body 101, a shell 102 and a heat dissipation mechanism, wherein the heat dissipation mechanism comprises a heat dissipation fan 103, a heat conduction plate 104, heat conduction fins 105, screws 106, a sealant layer 107 and an RGB lamp ring 108.
For the present embodiment, the heat conduction fins 105 and the heat conduction plate 104 conduct heat, so as to conduct heat inside the casing 102, and the heat dissipation fan 103 conducts air-cooling heat dissipation on the heat conduction plate 104, so that the sealant layer 107 can enhance the sealing performance at the connection between the heat conduction fins 105 and the casing 102.
Wherein, heat conduction fin 105's quantity is the polylith, every heat conduction fin 105 respectively with casing 102 fixed connection, and every heat conduction fin 105 runs through respectively casing 102, heat-conducting plate 104 and polylith heat conduction fin 105 fixed connection to be located the polylith heat conduction fin 105's one end, heat dissipation fan 103 set up in the below of heat-conducting plate 104, casing 102 is right the audio power amplifier body is protected, passes through simultaneously heat conduction fin 105 is right the inside heat of casing 102 is absorbed, and heat conduction that heat conduction fin 105 absorbs gives heat conduction plate 104, heat dissipation fan 103 dispels the heat through the forced air cooling, and it is right to reach the inside radiating mesh that carries out of casing 102.
Secondly, the number of the screws 106 is plural, each of the screws 106 penetrates the heat dissipation fan 103 and is in threaded connection with the heat conduction plate 104, and the heat dissipation fan 103 can be fixed to the lower end of the heat conduction plate 104 by the screws 106, so as to achieve the fixing effect.
Meanwhile, the sealant layer 107 is fixedly connected to the housing 102 and located inside the housing 102, and the sealant layer 107 can enhance the sealing performance of the connection between the heat conducting fins 105 and the housing 102 to prevent the entry of sea wind.
In addition, the RGB lamp ring 108 is fixedly connected to the heat dissipation fan 103 and located at the lower end of the heat dissipation fan 103, and the RGB lamp ring 108 can enhance the aesthetic property of the low-power audio power amplifier.
When the audio power amplifier of a low energy consumption of this embodiment is used, the casing 102 is right the audio power amplifier body is protected, simultaneously, through the heat conduction fin 105 is right the inside heat of casing 102 is absorbed, and the heat conduction that the heat conduction fin 105 absorbed gives the heat-conducting plate 104, the heat dissipation fan 103 dispels the heat through the forced air cooling, reaches to the inside purpose of dispelling the heat that carries out of casing 102, through the screw 106 can with the heat dissipation fan 103 is fixed in the lower extreme of heat-conducting plate 104 to this reaches the fixed action, the sealant layer 107 can strengthen the heat conduction fin 105 with the leakproofness of casing 102 junction prevents the entering of sea breeze, the RGB lamp ring 108 can increase the aesthetic property of the audio power amplifier of low energy consumption.
The second embodiment of the present application is:
on the basis of the first embodiment, please refer to fig. 3, wherein fig. 3 is a schematic structural diagram of the second embodiment, the present invention provides an audio power amplifier with low energy consumption: the mounting mechanism is further included and comprises a magnetic strip 201, a stud 202 and a mounting frame body 203.
For the specific embodiment, the magnetic strip 201 can be used for magnetic attraction and fixation, and meanwhile, the installation frame body 203 can be used for fixed installation, so that the low-energy-consumption audio power amplifier can adapt to various installation modes.
The magnetic bar is characterized in that a placing groove is formed above the shell 102, the magnetic bar 201 is slidably connected with the shell 102 and is located inside the placing groove, the stud 202 is connected with the shell 102 in a threaded mode, one end of the stud 202 penetrates through the placing groove, the magnetic bar 201 can be used for fixing the low-energy-consumption audio power amplifier in a magnetic absorption mode, the magnetic bar 202 is used for stabilizing the magnetic bar 201, the magnetic absorption fixing can be achieved by taking and placing at will, and the magnetic bar is more convenient to use.
Secondly, the number of the installation frame bodies 203 is two, each installation frame body 203 is respectively fixedly connected with the housing 102 and respectively located at one side of the housing 102, and the installation frame bodies 203 are suitable for being fixedly installed and have strong stability.
When the audio power amplifier of a low energy consumption of this embodiment is used, magnetic stripe 201 can carry out magnetism and inhale fixedly the audio power amplifier of low energy consumption, and through double-screw bolt 202 is right magnetic stripe 201 stabilizes, magnetism is inhaled fixedly and can be got at will and put, and is more convenient to use, installation support body 203 is applicable to and carries out fixed mounting to stability is strong.
Referring to fig. 4 and 5, the bias voltages Vb1, vb2, vn and Vp in fig. 4 may be provided by a bias circuit, as shown in fig. 5, the bias current Ib in fig. 5 is a bias current from the bias current source module, and the bias voltages Vb1 and Vb2 ensure that the cascode current mirrors Mll to M14 and M15 to M18 in fig. 4 operate in a saturation region; m31 in FIG. 5 constitutes a current mirror with M53 and M50 in FIG. 4, which are used as the tail current source of the PMOS input pair and the bias current sources of the branches M23 to M24, respectively; m41 in FIG. 5 and M52 and M51 in FIG. 4 form a current mirror as a tail current source of the NMOS input pair and a bias current source of the branches M21 to M22; m36, M37, M43 and M44 in the figure 5 and M54 to M59 in the figure 4 are all circuit function stopping tubes controlled by a Shutdown signal, and the AB-type differential audio amplifier is designed in the textWhen the THD =1% and the load is 4Q, the output power of one sound channel is required to be 2W, and one sound channel is composed of two AB type differential power amplifiers which are connected in a bridge mode, the output power of the bridge connection is 14 times of that of a single-end output, according to the requirement of the output power,
from P =0.5w, r =4 Ω, the peak values of the obtainable push current and the source current should be 0.5A.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (7)
1. An audio power amplifier with low energy consumption comprises an audio amplifier body and a shell, wherein the audio amplifier body is arranged inside the shell,
the device also comprises a heat dissipation mechanism;
the heat dissipation mechanism comprises a heat dissipation fan, a heat conduction plate and heat conduction fins, wherein the number of the heat conduction fins is multiple, every heat conduction fin is respectively and fixedly connected with the shell, every heat conduction fin penetrates through the shell, the heat conduction plate is fixedly connected with the multiple heat conduction fins and located at one ends of the heat conduction fins, and the heat dissipation fan is arranged below the heat conduction plate.
2. Low energy consumption audio power amplifier according to claim 1,
the heat dissipation mechanism further comprises a plurality of screws, and each screw penetrates through the heat dissipation fan and is in threaded connection with the heat conduction plate.
3. Low energy consumption audio power amplifier according to claim 2,
the heat dissipation mechanism further comprises a sealing adhesive layer, and the sealing adhesive layer is fixedly connected with the shell and located inside the shell.
4. A low power consumption audio power amplifier according to claim 3,
the heat dissipation mechanism further comprises an RGB lamp ring, and the RGB lamp ring is fixedly connected with the heat dissipation fan and is located at the lower end of the heat dissipation fan.
5. A low power consumption audio power amplifier according to claim 4,
the audio power amplifier with low energy consumption further comprises an installation mechanism, and the installation mechanism is arranged above the shell.
6. Low energy consumption audio power amplifier according to claim 5,
the mounting mechanism comprises a magnetic strip and a stud, a placing groove is formed above the shell, the magnetic strip is connected with the shell in a sliding mode and located inside the placing groove, the stud is connected with the shell in a threaded mode, and one end of the stud penetrates through the placing groove.
7. The low energy consumption audio power amplifier of claim 6,
the mounting mechanism further comprises a mounting frame body, the number of the mounting frame body is two, and each mounting frame body is fixedly connected with the shell and is respectively located on one side of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221928143.5U CN218587152U (en) | 2022-07-26 | 2022-07-26 | Low-energy-consumption audio power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221928143.5U CN218587152U (en) | 2022-07-26 | 2022-07-26 | Low-energy-consumption audio power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218587152U true CN218587152U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221928143.5U Active CN218587152U (en) | 2022-07-26 | 2022-07-26 | Low-energy-consumption audio power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218587152U (en) |
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2022
- 2022-07-26 CN CN202221928143.5U patent/CN218587152U/en active Active
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