CN110913289A - DSP power amplifier device based on bluetooth broadcast - Google Patents
DSP power amplifier device based on bluetooth broadcast Download PDFInfo
- Publication number
- CN110913289A CN110913289A CN201911157322.6A CN201911157322A CN110913289A CN 110913289 A CN110913289 A CN 110913289A CN 201911157322 A CN201911157322 A CN 201911157322A CN 110913289 A CN110913289 A CN 110913289A
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- Prior art keywords
- power amplifier
- box body
- body structure
- amplifier device
- device based
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/028—Structural combinations of loudspeakers with built-in power amplifiers, e.g. in the same acoustic enclosure
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a DSP power amplifier device based on Bluetooth playing, which comprises a box body structure, a loudspeaker, a base and a heat dissipation mechanism, wherein the box body structure is installed at the top end of the base, installation screws are arranged on two sides of the base, the loudspeaker is installed at one end of the box body structure, and the heat dissipation mechanism is arranged at the bottom end of the box body structure. The Bluetooth module is arranged at the top end of the mainboard, lossless music in the mobile phone is played through mobile phone pairing, the lossless music is sent to the automobile power amplifier through the Bluetooth module for decoding and playing, the Bluetooth mode is combined with the DSP power amplifier, the ultra-low-cost automobile power amplifier device is realized, high-quality music in the mobile phone is played through the digital Bluetooth module, and real lossless playing is realized through DSP processing, so that the cost is reduced, the installation mode is simplified, the sold manpower and material resources are reduced, high-quality lossless playing is realized, the product competitiveness is improved, and the aim of improving the tone quality of the device is fulfilled.
Description
Technical Field
The invention relates to the technical field of automobile sound equipment, in particular to a DSP power amplifier device based on Bluetooth playing.
Background
The power amplifier is called power amplifier for short, generally refer in particular to the most basic equipment in the sound system, and the current car DSP power amplifier is 4 paths of sound sources output to the central control navigation host, and after the special audio processing chip is processed, the power amplifier outputs the sound to the loudspeaker to play the high-quality music effect, but the existing DSP power amplifier device has many problems or defects:
firstly, the traditional DSP power amplifier device has poor tone quality, the mainstream DSP power amplifier plays music through a central control navigation host, and outputs the music to a loudspeaker for playing after being processed through the DSP power amplifier, because of the difference of manufacturers and central control chips of the central control navigation host, the playing effect is different after decoding, especially the quality problem of some central control navigations is caused, a lot of white noises are generated, the music effect is influenced, and meanwhile, vehicle type wire harnesses which cannot be installed are different, and a lot of negative influences are brought in the popularization process;
secondly, the traditional DSP power amplifier device cannot dissipate heat, and a large amount of heat is generated during the operation of the device, so that heat dissipation is needed;
thirdly, the traditional DSP power amplifier device is inconvenient to disassemble and assemble, and when the device needs to be maintained, the disassembly and the assembly are difficult, and the time is wasted.
Disclosure of Invention
The invention aims to provide a DSP power amplifier device based on Bluetooth playing, and aims to solve the problems that the DSP power amplifier device provided in the background technology is poor in tone quality, cannot dissipate heat and is inconvenient to disassemble and assemble.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a DSP power amplifier device based on bluetooth broadcast, includes box structure, speaker, base and heat dissipation mechanism, the box structure is installed on the top of base, the both sides of base all are provided with the installation screw, the speaker is installed to the one end of box structure, the bottom of box structure is provided with heat dissipation mechanism, the battery is installed to the bottom of the inside of box structure, the inside of box structure is provided with the mainboard, and the one end on mainboard top installs audio IC, audio IC's one end is provided with bluetooth module, and one side of bluetooth module is provided with the memory, the one end of memory is provided with the singlechip, and the top of singlechip is provided with the DSP chip, one side of DSP chip is provided with the MCU chip.
Preferably, the inside of box structure has set gradually first curb plate, second curb plate, bottom plate and roof, and the both ends on bottom plate top all are provided with first curb plate, and the both sides on bottom plate top all are provided with the second curb plate, and the top of second curb plate is provided with the roof.
Preferably, the both ends of second curb plate all are provided with the fixture block, and the both sides of first curb plate all are provided with the draw-in groove, and second curb plate and first curb plate constitute block structure, and the top and the bottom of first curb plate all are provided with the fixed block.
Preferably, one end of the box body structure is provided with a hollow part, and the hollow part is in a honeycomb shape.
Preferably, the both sides of mainboard all are provided with the slider, and the both sides of box structure all are provided with the spout, and mainboard and box structure constitute sliding structure.
Preferably, the inside of heat dissipation mechanism has set gradually louvre, bellows, dust screen and negative-pressure air fan, and negative-pressure air fan is installed to the inside bottom of bellows, and the dust screen is installed on the inside top of bellows.
Preferably, the top and the bottom of bellows all are provided with the louvre, and the louvre is equidistant range.
Preferably, the outer side wall of the mounting screw is uniformly provided with external threads, the inner side wall of the base is uniformly provided with internal threads matched with the external threads, and the mounting screw is in threaded connection with the base.
Compared with the prior art, the invention has the beneficial effects that: this DSP power amplifier device based on bluetooth broadcast is rational in infrastructure, has following advantage:
(1) the Bluetooth module is installed at the top end of the mainboard, lossless music in the mobile phone is played through mobile phone pairing, the lossless music is sent to the automobile power amplifier through the Bluetooth module for decoding and playing, the Bluetooth mode is combined with the DSP power amplifier, the ultra-low-cost automobile power amplifier device is realized, high-quality music in the mobile phone is played through the digital Bluetooth module, and real lossless playing is realized through DSP processing, so that the cost is reduced, the installation mode is simplified, sold manpower and material resources are reduced, high-quality lossless playing is realized, the product competitiveness is improved, and the purpose of improving the tone quality of the device is achieved;
(2) the negative pressure fan is arranged at the bottom end inside the air box, the negative pressure fan sucks air through the heat dissipation holes at the bottom end of the air box when working, and blows the air into the box body structure through the heat dissipation holes at the top end of the air box to dissipate heat inside the box body structure, so that the temperature of electric appliances inside the device is prevented from being too high, meanwhile, the dust screen is arranged at the top end of the box body to prevent dust from entering the device, and the purpose that the device can dissipate heat is achieved;
(3) constitute by first curb plate, second curb plate, bottom plate and roof through the box structure, first curb plate, second curb plate all constitute the block structure with roof, bottom plate, and first curb plate and second curb plate constitute the block structure, and block structure convenient to detach when the device breaks down, can be simple unpack the box structure apart, the maintenance of being convenient for to this reaches the purpose that the device can be dismantled.
Drawings
FIG. 1 is a schematic top sectional view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic side view of a cross-sectional structure according to the present invention;
FIG. 4 is a schematic front view of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a box structure; 101. a first side plate; 102. a second side plate; 103. a base plate; 104. a top plate; 2. a DSP chip; 3. a Bluetooth module; 4. a speaker; 5. a sound effect IC; 6. a memory; 7. a single chip microcomputer; 8. an MCU chip; 9. a main board; 10. a base; 11. a heat dissipation mechanism; 1101. heat dissipation holes; 1102. an air box; 1103. a dust screen; 1104. a negative pressure fan; 12. a storage battery; 13. hollowing out; 14. mounting screws; 15. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a DSP power amplifier device based on Bluetooth playing comprises a box body structure 1, a loudspeaker 4, a base 10 and a heat dissipation mechanism 11, wherein the box body structure 1 is installed at the top end of the base 10, a first side plate 101, a second side plate 102, a bottom plate 103 and a top plate 104 are sequentially arranged in the box body structure 1, the first side plate 101 is arranged at each of two ends of the top end of the bottom plate 103, the second side plate 102 is arranged at each of two sides of the top end of the bottom plate 103, clamping blocks are arranged at each of two ends of the second side plate 102, clamping grooves are arranged at each of two sides of the first side plate 101, the second side plate 102 and the first side plate 101 form a clamping structure, fixing blocks 15 are arranged at each of the top end and the bottom end of the first side plate 101, the top plate 104 is arranged at the top end;
when the box body structure 1 is used, the box body structure 1 consists of a first side plate 101, a second side plate 102, a bottom plate 103 and a top plate 104, the first side plate 101 and the second side plate 102, the top plate 104 and the bottom plate 103 form a clamping structure, the first side plate 101 and the second side plate 102 form a clamping structure, the clamping structure is convenient to detach, and when the device breaks down, the box body structure 1 can be detached simply, so that the maintenance is convenient;
mounting screws 14 are arranged on two sides of the base 10, external threads are uniformly arranged on the outer side walls of the mounting screws 14, internal threads matched with the external threads are uniformly arranged on the inner side walls of the base 10, and the mounting screws 14 are in threaded connection with the base 10;
the loudspeaker 4 is installed at one end of the box body structure 1, the heat dissipation mechanism 11 is arranged at the bottom end of the box body structure 1, heat dissipation holes 1101, an air box 1102, a dustproof net 1103 and a negative pressure fan 1104 are sequentially arranged inside the heat dissipation mechanism 11, the negative pressure fan 1104 is installed at the bottom end inside the air box 1102, the type of the negative pressure fan 1104 can be SF-126PZ01, the input end of the negative pressure fan 1104 is electrically connected with the output end of the single chip microcomputer 7 through a lead, the dustproof net 1103 is installed at the top end inside the air box 1102, the heat dissipation holes 1101 are formed in the top end and the bottom end of the air box 1102;
when the air cooling device is used, the negative pressure fan 1104 works to suck air through the heat radiation holes 1101 at the bottom end of the air box 1102, and blows the air into the box body structure 1 through the heat radiation holes 1101 at the top end of the air box 1102 to radiate the heat inside the box body structure 1, so that the temperature of electric appliances inside the device is prevented from being too high, and meanwhile, the dust screen 1103 is arranged at the top end of the box body to prevent dust from entering the device;
the bottom end of the interior of the box body structure 1 is provided with a storage battery 12, the interior of the box body structure 1 is provided with a main board 9, two sides of the main board 9 are provided with sliding blocks, two sides of the box body structure 1 are provided with sliding grooves, and the main board 9 and the box body structure 1 form a sliding structure;
sound effect IC5 is installed to the one end on mainboard 9 top, and sound effect IC 5's one end is provided with bluetooth module 3, and one side of bluetooth module 3 is provided with memory 6, and the one end of memory 6 is provided with singlechip 7, and the top of singlechip 7 is provided with DSP chip 2, and one side of DSP chip 2 is provided with MCU chip 8.
The working principle is as follows: when in use, the storage battery 12 provides a voltage-stabilized power supply for the device, the MCU chip 8 reads sound effect characteristic parameter data stored in the memory 6 and operates, the power supply of the Bluetooth module 3 is turned off to monitor various states, and controls power amplifier power switch, mute and play states, digital audio signals sent by Bluetooth are output to the loudspeaker 4 for playing after being amplified by power amplifier power after being processed by sound effect under the control of the MCU chip 8, the Bluetooth module 3 is arranged at the top end of the mainboard 9 and is matched by a mobile phone to play lossless music in the mobile phone, and are sent to the automobile power amplifier for decoding and playing through the Bluetooth module 3, the Bluetooth mode is combined with the DSP power amplifier to realize the automobile power amplifier device with ultra-low cost, high-quality music in the mobile phone is played through the digital Bluetooth module 3, and real lossless playing is achieved through DSP processing, thereby not only reducing the cost, the installation mode is simplified, after-sale manpower and material resources are reduced, high-quality lossless playing is achieved, product competitiveness is improved, the negative pressure fan 1104 is installed at the bottom end inside the air box 1102, the negative pressure fan 1104 is used for sucking air through the heat radiation holes 1101 at the bottom end of the air box 1102 and blowing the air into the box body structure 1 through the heat radiation holes 1101 at the top end of the air box 1102 to radiate the inside of the box body structure 1 so as to prevent the temperature of electric appliances inside the device from being overhigh, meanwhile, the top end of the box body is provided with the dustproof net 1103 to prevent dust from entering the device, the box body structure 1 is composed of a first side plate 101, a second side plate 102, a bottom plate 103 and a top plate 104, the first side plate 101 and the second side plate 102 are respectively composed of clamping structures, the clamping structures are convenient to disassemble, when the device fails, the box body structure 1 can be simply disassembled, is convenient for maintenance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a DSP power amplifier device based on bluetooth broadcast, includes box structure (1), speaker (4), base (10) and heat dissipation mechanism (11), its characterized in that: the top end of the base (10) is provided with a box body structure (1), both sides of the base (10) are provided with mounting screws (14), a loudspeaker (4) is arranged at one end of the box body structure (1), a heat dissipation mechanism (11) is arranged at the bottom end of the box body structure (1), the bottom end in the box body structure (1) is provided with a storage battery (12), the interior of the box body structure (1) is provided with a main board (9), and one end of the top end of the main board (9) is provided with a sound effect IC (5), one end of the sound effect IC (5) is provided with a Bluetooth module (3), a memory (6) is arranged on one side of the Bluetooth module (3), a singlechip (7) is arranged at one end of the memory (6), and the top of singlechip (7) is provided with DSP chip (2), one side of DSP chip (2) is provided with MCU chip (8).
2. The DSP power amplifier device based on bluetooth broadcast of claim 1, characterized in that: the box body structure is characterized in that a first side plate (101), a second side plate (102), a bottom plate (103) and a top plate (104) are sequentially arranged inside the box body structure (1), the first side plate (101) is arranged at each of two ends of the top end of the bottom plate (103), the second side plate (102) is arranged on each of two sides of the top end of the bottom plate (103), and the top plate (104) is arranged on each of the top ends of the second side plates (102).
3. The DSP power amplifier device based on bluetooth broadcast of claim 2, characterized in that: the two ends of the second side plate (102) are provided with clamping blocks, the two sides of the first side plate (101) are provided with clamping grooves, the second side plate (102) and the first side plate (101) form a clamping structure, and the top end and the bottom end of the first side plate (101) are provided with fixing blocks (15).
4. The DSP power amplifier device based on bluetooth broadcast of claim 1, characterized in that: one end of the box body structure (1) is provided with a hollow part (13), and the hollow part (13) is honeycombed.
5. The DSP power amplifier device based on bluetooth broadcast of claim 1, characterized in that: the both sides of mainboard (9) all are provided with the slider, and the both sides of box structure (1) all are provided with the spout, and mainboard (9) and box structure (1) constitute sliding structure.
6. The DSP power amplifier device based on bluetooth broadcast of claim 1, characterized in that: the inside of heat dissipation mechanism (11) has set gradually louvre (1101), bellows (1102), dust screen (1103) and negative-pressure air fan (1104), and negative-pressure air fan (1104) are installed to the bottom of bellows (1102) inside, and dust screen (1103) are installed to the top of the inside of bellows (1102).
7. The DSP power amplifier device based on bluetooth broadcast of claim 6, characterized in that: the top end and the bottom end of the bellows (1102) are both provided with heat dissipation holes (1101), and the heat dissipation holes (1101) are arranged at equal intervals.
8. The DSP power amplifier device based on bluetooth broadcast of claim 1, characterized in that: the outer side wall of the mounting screw (14) is evenly provided with external threads, the inner side wall of the base (10) is evenly provided with internal threads matched with the external threads, and the mounting screw (14) is in threaded connection with the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911157322.6A CN110913289A (en) | 2019-11-22 | 2019-11-22 | DSP power amplifier device based on bluetooth broadcast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911157322.6A CN110913289A (en) | 2019-11-22 | 2019-11-22 | DSP power amplifier device based on bluetooth broadcast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110913289A true CN110913289A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911157322.6A Pending CN110913289A (en) | 2019-11-22 | 2019-11-22 | DSP power amplifier device based on bluetooth broadcast |
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| CN (1) | CN110913289A (en) |
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| CN208863026U (en) * | 2018-11-19 | 2019-05-14 | 深圳市金美科电子有限公司 | A kind of easy-to-mount casing of sound equipment body |
| CN209281315U (en) * | 2019-02-21 | 2019-08-20 | 黄河科技学院 | A kind of computer cabinet easy to disassemble |
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2019
- 2019-11-22 CN CN201911157322.6A patent/CN110913289A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202189553U (en) * | 2011-09-14 | 2012-04-11 | 张德光 | Video and audio player with electronic tube power amplifier |
| CN206790444U (en) * | 2017-05-24 | 2017-12-22 | 广州市的信电子有限公司 | A kind of digital audio frequency power amplifier |
| CN207075159U (en) * | 2017-06-22 | 2018-03-06 | 曾山 | A kind of active power amplifier structure |
| CN207531003U (en) * | 2017-12-19 | 2018-06-22 | 广州汇盈电子产品有限公司 | A kind of active audio amplifier power amplifier radiator structure |
| CN207926831U (en) * | 2017-12-20 | 2018-09-28 | 广州市凯旭音响设备有限公司 | A kind of easy to disassemble and transport stereo set |
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Application publication date: 20200324 |
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