CN213547844U - Display screen digital audio power amplifier - Google Patents
Display screen digital audio power amplifier Download PDFInfo
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- CN213547844U CN213547844U CN202022760814.9U CN202022760814U CN213547844U CN 213547844 U CN213547844 U CN 213547844U CN 202022760814 U CN202022760814 U CN 202022760814U CN 213547844 U CN213547844 U CN 213547844U
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Abstract
The utility model relates to a display screen digital audio power amplifier belongs to power amplifier equipment technical field. The audio power amplifier comprises a power amplifier case and a power amplifier element therein, wherein a cover is arranged on the upper side of the power amplifier case, a display screen window is arranged at the left side end of a front side panel of the power amplifier case, a layer of glass plate is pasted on the inner side of the display screen window, and a display screen is fixed on the inner side of the glass plate; the front side panel is provided with two tuning key holes, and the side whole body is provided with a plurality of rows of radiating air inlet holes; the rear side panel of the case is provided with a power supply hole, an upper row of radiating air outlet holes and a lower row of radiating air outlet holes, 6 circular through holes are formed between the two rows of radiating air outlet holes, and the inner side of the radiating air outlet on the rear side surface of the case is provided with radiating fins of a power amplifier element and a plurality of radiating fans. The utility model relates to a carry out real-time display to the state data of power amplifier work through setting up the display screen, the power amplifier operational aspect is in time mastered to the person of being convenient for use.
Description
Technical Field
The utility model relates to a power amplifier equipment technical field, concretely relates to display screen digital audio power amplifier.
Background
The power amplifier is an indispensable core device in the sound system. Most power amplifiers still adopt traditional ring cattle transformer simulation power amplifier, also do not have the display screen, bring a lot of inconveniences for the user like this, for example power consumption is big, can't see at a glance whether safe in the temperature situation of this power amplifier, also can't obtain volume size and the operating mode state condition, can't ensure power amplifier's normal use in real time. Meanwhile, most fans of the existing power amplifiers are arranged between the air outlets and the power amplifier elements, heat generated by the power amplifier elements is exhausted in a mode of air suction of the fans, and the cooling mode is low in efficiency.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model discloses a but digital audio power amplifier with display screen real-time display power amplifier state data, audio power amplifier includes power amplifier machine case and power amplifier element wherein, and power amplifier element realizes audio power amplification function. The power amplifier comprises a power amplifier case, a power amplifier element and a display screen, wherein a cover is arranged on the upper side of the power amplifier case, the cover is fixed on the case through screws, a display screen window is formed in the left end of a front side panel of the power amplifier case, a layer of glass plate is attached to the inner side of the display screen window, a display screen is fixed on the inner side of the glass plate, and the display screen is connected with the power amplifier element and displays state data of the power amplifier in real time; the front side panel is provided with two tuning key holes on the right side of the display screen window, and the two tuning knobs of the power amplifier element respectively penetrate out of the two tuning key holes; the front side panel is integrally provided with a plurality of rows of heat dissipation air inlet holes on the right side of the tuning key hole, the rightmost end of the front side panel is provided with a power switch hole, and a power switch of the power amplifier element is exposed out of the power switch hole; the one end of the rear panel of power amplifier machine case is opened there is the power port, the power connection of power amplifier original paper is worn out from the power port, two rows of heat dissipation exhaust vents about the rear panel is equipped with, and it has 6 circular perforation to open between two rows of heat dissipation exhaust vents, four audio input connectors and two audio output connectors of power amplifier component are outwards worn out from 6 circular perforation respectively, power amplifier component is equipped with the multiunit fin, and the fin is arranged and is set up the inboard at the heat dissipation exhaust vent of rear panel, and every group fin correspondence is provided with 1 radiator fan, and radiator fan's the direction of blowing is towards the heat dissipation exhaust vent. The audio power amplifier is provided with the display screen to display the working condition data of the power amplifier in real time, so that a user can master the working condition of the power amplifier in real time, and the operation is more accurate. Simultaneously, the power amplifier component of this application has set up the multiunit fin to set up the fan in the inboard of fin, the fan blows the cool wind that the heat dissipation fresh air inlet was inhaled to the fin, bloies, cools down the fin, and hot-blast air blows off from the heat dissipation exhaust vent, and fan design when comparing traditional heat absorption, the fan cooling efficiency of this application is higher.
Further, the front side outside of power amplifier machine case is equipped with the one deck cover plate, the cover plate is the arc arch forward, the upper and lower both sides limit of cover plate is buckled backward respectively and is connected the face, and the connection face of upper and lower both sides passes through the fix with screw on power amplifier machine case, the cover plate is opened there are two big windows, is the operation window that corresponds display screen and tuning key hole position and the air inlet window that corresponds heat dissipation air inlet hole position respectively. The cover plate plays a protective role on the front side panel of the power amplifier, protects each control switch and the display screen, and is provided with the operation window and the air inlet window simultaneously, so that the operation and the air inlet are not influenced.
Furthermore, the front parts of the left side panel and the right side panel of the power amplifier case are respectively provided with a side air inlet hole. The air intake is increased.
Furthermore, the upper portions of the left side panel and the right side panel of the power amplifier case are respectively provided with a positioning bayonet, the left side and the right side of the cover are correspondingly provided with positioning clamping pieces, and the positioning clamping pieces on the two sides are respectively clamped in the positioning bayonets of the left side panel and the right side panel. The cover can be conveniently and accurately aligned with the case during installation, and the application is convenient.
Furthermore, power amplifier side ears are respectively installed at the front ends of the left side panel and the right side face of the power amplifier case, the power amplifier side ears are right-angle pieces, and the front side faces of the power amplifier side ears are flush with the front side panel of the power amplifier case and are provided with two connecting holes. The side lug is used for power amplifier installation.
Furthermore, the rear ends of the left side panel and the right side panel of the power amplifier case respectively exceed the rear side panel, and the exceeding parts at the two sides are respectively provided with mounting holes. The mounting holes are also used for mounting the power amplifier.
Compared with the prior art, the utility model discloses a display screen digital audio power amplifier's progress part lies in, has set up the display screen and has carried out real-time display to the operating mode data of power amplifier, and the person of facilitating the use masters the behavior of power amplifier in real time, operates more accurately. Simultaneously, the power amplifier component of this application has set up the multiunit fin to set up the fan in the inboard of fin, the fan blows the cool wind that the heat dissipation fresh air inlet was inhaled to the fin, bloies, cools down the fin, and hot-blast air blows off from the heat dissipation exhaust vent, and fan design when comparing traditional heat absorption, the fan cooling efficiency of this application is higher. And all set up the fresh air inlet on left and right side panel, the intake is bigger, further improves cooling efficiency.
Drawings
FIG. 1 is a schematic diagram of a digital audio power amplifier of a display screen
FIG. 2 is a schematic structural diagram of a front panel of a power amplifier case
FIG. 3 is a schematic structural diagram of a rear panel of a power amplifier case
FIG. 4 is a schematic view of the structure of the left/right side panels
Description of the reference numerals
1 power amplifier case, 2 covers, 3 cover plates, 11 front side panels, 12 rear side panels, 13 left side panels, 14 right side panels, 15 side ears, 111 display screen windows, 112 tuning key holes, 113 heat dissipation air inlet holes, 114 power switch holes, 121 power holes, 122 heat dissipation air outlet holes, 123 circular punched holes, 131 positioning bayonets, 132 side air inlets, 133 mounting holes, 151 connecting holes
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses an embodiment of a display screen digital audio power amplifier, audio power amplifier include the power amplifier machine case 1 in the outside and install the power amplifier component at the inside realization audio power amplification of machine case 1, and power amplifier component passes through the fix with screw on the quick-witted case bottom plate of power amplifier machine case 1.
The upper side of the case 1 is opened, and a cover 2 is fixed through screw connection. Referring to fig. 4, the upper portions of the left side panel 13 and the right side panel 14 of the casing 1 are respectively provided with a positioning bayonet 131, the left and right ends of the cover 2 are respectively provided with a positioning fastener correspondingly, and when the cover 2 is installed, the positioning fastener on the cover is clamped into the positioning bayonet 131.
Referring to fig. 2, a display screen window 111 is opened at the left end of the front panel 11 of the chassis 1, a layer of glass plate is attached to the inner side of the display screen window 111, a display screen is arranged on the inner side of the glass plate, the display screen is connected with a power amplifier element inside the chassis, and the working temperature, volume, working mode and the like of the power amplifier are displayed in real time.
The front panel 11 is provided with two parallel tuning key holes 112 on the right side of the display screen window 11, and the two tuning knobs of the power amplifier element respectively penetrate out of the two tuning key holes 112. The front panel 11 is integrally provided with a plurality of rows of heat dissipation air inlet holes 113 on the right side of the tuning key hole 112, and a power switch hole 114 is provided on the right side of the heat dissipation air inlet holes 113, and a power switch of the power amplifier element is exposed from the power switch hole 114.
Referring to fig. 3, a power supply hole 121 is formed at one end of the rear panel 12 of the chassis 1, and a power interface of the power amplifier element penetrates through the power supply hole 121. The rear panel 12 has upper and lower rows of heat dissipating air outlets 122. 6 round through holes 123 are arranged between the two rows of radiating air outlet holes 122. The power amplifier element is provided with two audio output connectors and four audio input connectors, and 6 connectors penetrate out of the 6 circular through holes 123 respectively and are fixed with the rear side panel 12 through screws respectively.
The power amplifier component is provided with 2 groups of cooling fins, two groups of cooling fins are arranged on the inner sides of the heat dissipation air outlet holes 122 side by side, two fan supports are arranged on the inner sides of the two groups of cooling fins and fixed on the bottom plate of the case 1 through screws, fans are respectively fixed on the two fan supports, the two fans are respectively arranged corresponding to one group of cooling fins, the blowing direction of the fans faces towards the cooling fins, the fans suck cold air from the heat dissipation air inlet holes 113 of the front side panel 11, blow the cold air to the cooling fins, take away heat of the cooling fins, blow the cold air out of the heat dissipation air outlet holes.
The front side portions of the left side panel 13 and the right side panel 14 of the chassis 1 are respectively provided with a side air inlet 132. Side ears 15 are attached to the front ends of the left and right side panels 13 and 14, respectively. The side ears 15 are right-angled pieces and are respectively fixed on the left side panel 13 and the right side panel 14 by screws, and the front side surfaces of the side ears 15 are provided with two connecting holes 151 and are flush with the front side panel 11. The rear side ends of the left and right side panels 13 and 14 are respectively opened with two mounting holes 133.
The front side of the front side panel 11 of the case 1 is provided with a cover plate 3, the cover plate 3 is forward in an arc-shaped bulge, the upper side edge and the lower side edge of the cover plate 3 are horizontally bent backwards, and the bent parts are fixed on the case 1 through screws. The cover plate 3 is provided with an operation window and an air inlet window. The operation window correspondingly exposes the display screen window 111 and the tuning key hole 112 of the front panel 11, and the air inlet window correspondingly exposes the heat dissipation air inlet hole 113 and the power switch hole 114.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (6)
1. A digital audio power amplifier of a display screen comprises a power amplifier case and a power amplifier element therein, wherein a cover is arranged on the upper side of the power amplifier case and is fixed on the case through screws; the front side panel is provided with two tuning key holes on the right side of the display screen window, and the two tuning knobs of the power amplifier element respectively penetrate out of the two tuning key holes; the front side panel is integrally provided with a plurality of rows of heat dissipation air inlet holes on the right side of the tuning key hole, the rightmost end of the front side panel is provided with a power switch hole, and a power switch of the power amplifier element is exposed out of the power switch hole; the one end of the rear panel of power amplifier machine case is opened there is the power supply hole, power amplifier element's power connector wears out from the power supply hole, two rows of heat dissipation exhaust vents about rear panel is equipped with, and it has 6 circular perforation to open between two rows of heat dissipation exhaust vents, power amplifier element's four audio input connect and two audio output connect outwards wear out from 6 circular perforation respectively, power amplifier element's multiunit fin is arranged and is set up the inboard at the heat dissipation exhaust vent of rear panel, and every group fin correspondence is provided with 1 radiator fan.
2. The display screen digital audio power amplifier of claim 1, wherein a cover plate is disposed on the outer side of the front side of the power amplifier case, the cover plate is forward in an arc shape, the upper and lower sides of the cover plate are respectively bent backward to form connecting surfaces, the connecting surfaces on the upper and lower sides are fixed on the power amplifier case by screws, and the cover plate is opened with two large windows, namely an operation window corresponding to the positions of the display screen and the tuning key hole and an air inlet window corresponding to the position of the heat dissipation air inlet hole.
3. The display screen digital audio power amplifier of claim 2, wherein the front portions of the left side panel and the right side panel of the power amplifier case are respectively provided with a side air inlet.
4. The display screen digital audio power amplifier of claim 3, wherein the upper parts of the left side panel and the right side panel of the power amplifier case are respectively provided with a positioning bayonet, the left side and the right side of the cover are correspondingly provided with positioning fasteners, and the positioning fasteners at the two sides are respectively clamped in the positioning bayonets of the left side panel and the right side panel.
5. The display screen digital audio power amplifier of claim 4, wherein the front ends of the left side panel and the right side panel of the power amplifier case are respectively provided with a power amplifier side lug, the power amplifier side lug is a right-angle piece, and the front side surface of the power amplifier side lug is flush with the front side panel of the power amplifier case and is provided with two connecting holes.
6. The display screen digital audio power amplifier of claim 5, wherein the rear ends of the left side panel and the right side panel of the power amplifier case respectively exceed the rear side panel, and the exceeding parts at both sides are respectively provided with mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022760814.9U CN213547844U (en) | 2020-11-25 | 2020-11-25 | Display screen digital audio power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022760814.9U CN213547844U (en) | 2020-11-25 | 2020-11-25 | Display screen digital audio power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213547844U true CN213547844U (en) | 2021-06-25 |
Family
ID=76484137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022760814.9U Active CN213547844U (en) | 2020-11-25 | 2020-11-25 | Display screen digital audio power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213547844U (en) |
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2020
- 2020-11-25 CN CN202022760814.9U patent/CN213547844U/en active Active
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