CN221103490U - Power amplifier powered by double power boards - Google Patents

Abstract

The utility model discloses a power amplifier powered by double power boards, which comprises a power amplifier shell, wherein connecting plates are arranged on two sides of the inside of the power amplifier shell, a power board module is arranged at the bottom end of one side of each connecting plate, a radiator main body is arranged at the top end of one side of each connecting plate, an alternating current starting board module is fixedly arranged at the top of one end of the inside of the power amplifier shell, a transformer is fixedly arranged at the bottom of one end of the inside of the power amplifier shell, and the heat radiating shell is arranged on two sides of the top end of the inside of the power amplifier shell. This two power panel power supply's power amplifier installation two sets of power modules, power panel module passes through the connecting wire and is connected with the inside other equipment of power amplifier casing, and every passageway power does not interfere with each other, and the isolation is better, and two sets of power panel module independent power supplies, and a passageway power has bad and has not influenced another passageway normal work, and two sets of power panel module efficiency is higher, and the power amplifier calorific capacity is littleer, and the power is more powerful, has solved the not powerful enough problem of electric power.

Description

Power amplifier powered by double power boards

Technical Field

The utility model relates to the technical field of sound power amplification boards, in particular to a power amplifier powered by a double power panel.

Background

The power amplifier is a power amplifier, is the most basic equipment in the sound system, and has the task of amplifying weak electric signals in the sound system to drive a loudspeaker to make sound.

Through retrieving, according to the high-efficient radiating stereo power amplifier board that application number CN discloses, mention "PCB fixed plate's upper end surface front end fixed mounting has three sets of input line terminal blocks and three sets of diodes, and the input line terminal block is located one side of diode, PCB fixed plate's upper end surface one side front end position fixed mounting has three sets of left sound channel electric capacity, PCB fixed plate's upper end surface one side rear end position is provided with bluetooth connection module and four sets of control button. The sound power amplifier board with high-efficiency heat dissipation is characterized in that the sound power amplifier board is supported and used by only adopting a single group of power supplies, and the power used by the sound power amplifier board is low and not strong enough.

There is a need for a dual power panel power amplifier that overcomes the technical drawbacks set forth in the above-mentioned art.

Disclosure of utility model

The utility model aims to provide a power amplifier powered by a double power panel, which solves the problem that the power is not strong enough in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power amplifier of two power strip power supplies, includes the power amplifier casing, the inside both sides of power amplifier casing are provided with the connecting plate, power strip module is installed to the bottom of connecting plate one side, the radiator main part is installed on the top of connecting plate one side, the top fixed mounting of the inside one end of power amplifier casing has the alternating current starting plate module, the bottom fixed mounting of the inside one end of power amplifier casing has the transformer, the heat dissipation casing is installed to the both sides on the inside top of power amplifier casing, the internally mounted of heat dissipation casing has radiator fan, the top of power amplifier casing is provided with the switch button, the one end of switch button is provided with the audio access hole, the inside top fixed mounting of power amplifier casing has first power amplifier module, the inside bottom fixed mounting of power amplifier casing has the second power amplifier module.

Preferably, the power panel module is provided with two groups, and the power panel module is electrically connected with the alternating current starting panel module.

Preferably, the power amplifier casing is characterized in that the two sides of the inside of the power amplifier casing are fixedly connected with mounting clamping grooves, one side of the connecting plate is fixedly connected with two groups of mounting clamping blocks, the top end and the bottom end of each mounting clamping block are fixedly connected with positioning pieces, and the inside of each positioning piece is movably provided with a bolt.

Preferably, the installation fixture block is embedded in the installation fixture groove, and one end of the installation bolt can be embedded in the installation fixture groove.

Preferably, the dustproof filter screen is installed at the air inlet and the air outlet of the heat dissipation shell, and six groups of mounting holes are formed in the heat dissipation shell.

Preferably, the top and bottom of the power amplifier shell are provided with heat dissipation openings, and two sides of the power amplifier shell are fixedly connected with four groups of mounting plates.

Compared with the prior art, the utility model has the beneficial effects that: the power amplifier with the double power boards for supplying power not only realizes the functions of abundant power and strong power, and realizes the function of convenient and efficient heat dissipation, but also realizes the convenience of maintenance and disassembly;

(1) Through being provided with radiator main part, exchanging start plate module, transformer and power strip module, power amplifier casing internally mounted has two sets of power strip modules, and this two sets of power strip modules pass through the connecting wire and are connected with other equipment in the power amplifier casing, and every passageway power does not interfere with each other, and the isolation is better, and two sets of power strip modules independently supply power, and one passageway power has bad and does not influence the normal work of another passageway, and two sets of power strip module efficiency is higher, and power amplifier calorific capacity is littleer, and the power amplifier power is abundant;

(2) Through being provided with radiator casing, radiator fan, dustproof filter screen and mounting hole, during the power amplifier reuse, radiator fan inside the power amplifier casing can dispel the heat fast to the internal equipment, and radiator fan installs in the inside of radiator casing, and radiator casing installs on the power amplifier casing, and radiator fan can accelerate the velocity of flow of the inside air of power amplifier casing after starting, and the in-process of business turn over wind, dustproof filter screen can protect radiator fan, and this structure has realized the function of being convenient for high-efficient heat dissipation;

(3) Through being provided with connecting plate, installation fixture block, mounting bolt, spacer and installation draw-in groove, power strip module and radiator main part are installed on the connecting plate, when need overhauld power amplifier casing inside, can follow the inside removal of power amplifier casing with the connecting plate, unscrew the mounting bolt earlier during the maintenance, then upwards pull the connecting plate, can realize dismantling the function of overhauling after the inside removal of mounting fixture block of connecting plate from the installation draw-in groove, and this structure has realized the function of being convenient for overhaul and dismantlement.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

Fig. 4 is a schematic front view of a heat dissipation housing according to the present utility model.

In the figure: 1. a power amplifier housing; 2. a connecting plate; 3. a radiator body; 4. a heat dissipation case; 5. a first power amplifier module; 6. an alternating current starting plate module; 7. a mounting plate; 8. installing a clamping block; 9. a transformer; 10. a power panel module; 11. a second power amplifier module; 12. a heat radiation port; 13. a switch key; 14. an audio access hole; 15. installing a bolt; 16. a positioning sheet; 17. installing a clamping groove; 18. a heat radiation fan; 19. a dust-proof filter screen; 20. and (5) mounting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a dual-power panel power amplifier comprises a power amplifier housing 1, wherein connecting plates 2 are arranged on two sides of the interior of the power amplifier housing 1, a power panel module 10 is arranged at the bottom end of one side of each connecting plate 2, a radiator main body 3 is arranged at the top end of one side of each connecting plate 2, an alternating current starting plate module 6 is fixedly arranged at the top end of one end of the interior of the power amplifier housing 1, a transformer 9 is fixedly arranged at the bottom of one end of the interior of the power amplifier housing 1, a heat dissipation housing 4 is arranged on two sides of the top end of the interior of the power amplifier housing 1, a heat dissipation fan 18 is arranged in the interior of the heat dissipation housing 4, a switch key 13 is arranged at the top end of the power amplifier housing 1, an audio access hole 14 is arranged at one end of each switch key 13, a first power amplifier module 5 is fixedly arranged at the top end of the interior of the power amplifier housing 1, and a second power amplifier module 11 is fixedly arranged at the bottom end of the interior of the power amplifier housing 1;

The power panel module 10 is provided with two groups, and the power panel module 10 is electrically connected with the alternating current starting panel module 6;

Specifically, as shown in fig. 1 and 2, the two sets of power panel modules 10 are connected with other devices inside the power amplifier housing 1 through connecting wires, each channel power supply does not interfere with each other, the isolation is better, the two sets of power panel modules 10 supply power independently, and one channel power supply is bad and does not affect the normal operation of the other channel.

Example 2: the two sides of the inside of the power amplifier shell 1 are fixedly connected with mounting clamping grooves 17, one side of the connecting plate 2 is fixedly connected with two groups of mounting clamping blocks 8, the top end and the bottom end of each mounting clamping block 8 are fixedly connected with positioning plates 16, the inside of each positioning plate 16 is movably provided with a mounting bolt 15, each mounting clamping block 8 is embedded in each mounting clamping groove 17, and one end of each mounting bolt 15 can be embedded in each mounting clamping groove 17;

Specifically, as shown in fig. 1 and fig. 3, the devices are all installed in the power amplifier casing 1, when the power amplifier casing 1 needs to be overhauled, the connecting plate 2 can be moved out of the power amplifier casing 1, during overhauling, the mounting bolts 15 are firstly unscrewed, then the connecting plate 2 is pulled upwards, and the mounting clamping blocks 8 of the connecting plate 2 can realize the disassembly and overhauling function after being moved out of the mounting clamping grooves 17.

Example 3: a dustproof filter screen 19 is arranged at the air inlet and the air outlet of the radiating shell 4, six groups of mounting holes 20 are arranged in the radiating shell 4, radiating ports 12 are formed in the top end and the bottom end of the power amplifier shell 1, and four groups of mounting plates 7 are fixedly connected to the two sides of the power amplifier shell 1;

Specifically, as shown in fig. 1, 2 and 4, the cooling fan 18 can rapidly dissipate heat of internal equipment, the cooling fan 18 is installed in the cooling casing 4, the cooling casing 4 is installed on the power amplifier casing 1, the flow speed of air in the power amplifier casing 1 can be accelerated after the cooling fan 18 is started, and the dust-proof filter screen 19 can protect the cooling fan 18 in the process of air inlet and outlet.

Working principle: when the power amplifier cabinet 1 is used, the power amplifier cabinet 1 can be installed on sound equipment, two groups of power panel modules 10 are installed in the power amplifier cabinet 1, the efficiency of the two groups of power panel modules 10 is higher, the heating value of the power amplifier is smaller, the power is higher, the power amplifier equipment can be started and connected through the switch key 13 and the audio access hole 14 during operation, the heat dissipation fan 18 can conduct heat dissipation treatment on the inside of the power amplifier cabinet 1 during operation of the power amplifier equipment, the heat dissipation fan 18 is installed in the heat dissipation cabinet 4, the heat dissipation cabinet 4 is installed on the power amplifier cabinet 1, the flow speed of air in the power amplifier cabinet 1 can be accelerated after the heat dissipation fan 18 is started, the dust screen 19 can protect the heat dissipation fan 18 in the process of entering and exiting air, the two groups of power panel modules 10 are independently powered, one channel power source does not affect the normal operation of the other channel, the power module 10 and the heat radiator main body 3 are installed on the connecting plate 2, when the inside of the power amplifier cabinet 1 is required to be overhauled, the connecting plate 2 can be removed from the inside of the power amplifier cabinet 1, the mounting bolts 15 can be firstly removed from the inside of the power amplifier cabinet 1, then the mounting bolts 2 can be pulled upwards, the mounting and the clamping plate 8 can be removed from the mounting and the connecting plate 8 can be conveniently detached from the mounting and overhauling groove 17.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)

1. The utility model provides a power amplifier of two power strip power supplies, includes power amplifier casing (1), its characterized in that: the power amplifier is characterized in that connecting plates (2) are arranged on two sides of the inside of the power amplifier shell (1), a power panel module (10) is arranged at the bottom end of one side of the connecting plates (2), a radiator main body (3) is arranged at the top end of one side of the connecting plates (2), an alternating current starting plate module (6) is fixedly arranged at the top of one end of the inside of the power amplifier shell (1), a transformer (9) is fixedly arranged at the bottom of one end of the inside of the power amplifier shell (1), a radiating shell (4) is arranged on two sides of the top end of the inside of the power amplifier shell (1), a radiating fan (18) is arranged in the inside of the radiating shell (4), a switch button (13) is arranged at the top end of the power amplifier shell (1), an audio access hole (14) is formed in one end of the switch button (13), a first power amplifier module (5) is fixedly arranged at the top end of the inside of the power amplifier shell (1), and a second power amplifier module (11) is fixedly arranged at the bottom end of the inside of the power amplifier shell (1).

2. The dual power panel powered power amplifier of claim 1, wherein: the power panel module (10) is provided with two groups, and the power panel module (10) is electrically connected with the alternating current starting panel module (6).

3. The dual power panel powered power amplifier of claim 1, wherein: the power amplifier is characterized in that mounting clamping grooves (17) are fixedly connected to two sides of the inside of the power amplifier shell (1), two groups of mounting clamping blocks (8) are fixedly connected to one side of the connecting plate (2), positioning pieces (16) are fixedly connected to the top end and the bottom end of each mounting clamping block (8), and bolts (15) are movably mounted in the positioning pieces (16).

4. A dual power panel powered power amplifier as defined in claim 3, wherein: the installation fixture block (8) is embedded in the installation fixture groove (17), and one end of the installation bolt (15) can be embedded in the installation fixture groove (17).

5. The dual power panel powered power amplifier of claim 1, wherein: the dustproof filter screen (19) is installed at the air inlet and the air outlet of the radiating shell (4), and six groups of mounting holes (20) are formed in the radiating shell (4).

6. The dual power panel powered power amplifier of claim 1, wherein: the power amplifier is characterized in that heat dissipation openings (12) are formed in the top end and the bottom end of the power amplifier shell (1), and four groups of mounting plates (7) are fixedly connected to the two sides of the power amplifier shell (1).