CN215898185U - Power amplifier - Google Patents
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- CN215898185U CN215898185U CN202121904133.3U CN202121904133U CN215898185U CN 215898185 U CN215898185 U CN 215898185U CN 202121904133 U CN202121904133 U CN 202121904133U CN 215898185 U CN215898185 U CN 215898185U
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- power amplifier
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Abstract
The utility model discloses a power amplifier, and relates to the technical field of electronic circuits. The power amplifier comprises a power amplifier shell, a power amplifier main body and a control assembly, wherein a top cover is clamped at the upper end of the power amplifier shell, a fixing plate is welded on the inner side of the power amplifier shell, a radiating fan is clamped and fixed on the inner side of the power amplifier shell, the power amplifier main body is screwed and fixed on the inner side of the power amplifier shell, the control assembly is clamped and fixed on the inner side of the power amplifier shell, and a display screen is clamped and fixed on the front side of the control assembly. The power amplifier comprises a power amplifier shell, a power amplifier main body and a control assembly, wherein the power amplifier shell is arranged on the power amplifier main body, and the power amplifier main body is arranged on the power amplifier main body.
Description
Technical Field
The utility model belongs to the technical field of electronic circuits, and particularly relates to a power amplifier.
Background
A power amplifier, which is an amplifier capable of generating maximum power output to drive a certain load under a given distortion rate condition, plays a role of "organization and coordination" in the whole circuit system, and gives a certain degree a main role in determining whether the whole system can provide good and stable power output, the power amplifier converts the power of a power supply into a current changing according to an input signal by using the current control function of a triode or the voltage control function of a field effect transistor, and completes power amplification through continuous current amplification, and the power amplifier generally comprises 3 parts: the power amplifier is mainly applied to the output stage of broadcasting and communication transmitters, the output stage of sound systems, the amplifier of a control system driving execution mechanism and the like, is a common electronic device in daily life, but has the following disadvantages in practical use:
1. the internal structure of the existing power amplifier is often fixed, it is inconvenient to replace the elements in the power amplifier when necessary, the power amplifier is difficult to change according to the power requirement, the universality is not high, and the existing power amplifier is difficult to clear to know the running state, cannot be regulated and controlled according to the requirement, and cannot ensure that the output power reaches the optimal state;
2. the existing heat dissipation mode of the power amplifier is generally to carry out natural heat dissipation through heat dissipation teeth, the heat dissipation efficiency is low, and after long-time work, the internal temperature rise may exceed the maximum working temperature that the power amplifier can bear, thereby causing damage, increasing the maintenance expenditure and influencing the normal use of the power amplifier.
Therefore, the existing power amplifier cannot meet the requirement in practical use, so that there is a strong need in the market for improved technology to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power amplifier, which solves the problems that the conventional power amplifier is fixed, is inconvenient to disassemble and maintain, cannot be changed, is low in universality and low in heat dissipation efficiency, and can be damaged due to high temperature for a long time, so that the maintenance expense is increased, and the normal use of the power amplifier is influenced by the power amplifier shell, a power amplifier main body and a control assembly.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a power amplifier, which comprises a power amplifier shell, a power amplifier main body and a control assembly, wherein a top cover is clamped at the upper end of the power amplifier shell, elements in the power amplifier can be changed and overhauled by rotating the top cover, the service life of the power amplifier is prolonged, a fixing plate is welded at the inner side of the power amplifier shell, the power amplifier main body can be fixed through the fixing plate, the stability of the power amplifier in operation is ensured, a plurality of fixing plates can fix power amplifier main bodies with different sizes, a user can change the power amplifier main body according to power requirements, the universality of the power amplifier is greatly improved, a heat radiation fan is clamped and fixed at the inner side of the power amplifier shell, the power amplifier main body can be radiated through the heat radiation fan, the damage caused by long-time overheat environment is avoided, the service life of the power amplifier is prolonged, the maintenance expense is reduced, and the active amplifier main body is screwed and fixed at the inner side of the power amplifier shell, the power amplifier comprises a power amplifier shell, and is characterized in that a control assembly is fixed on the inner side of the power amplifier shell in a clamping manner, a display screen is fixed on the front side of the control assembly in a clamping manner, the power amplifier can be controlled to be turned on or off and the power can be adjusted through the control assembly, the working state of the power amplifier main body can be monitored through the control assembly, and the monitored state can be reported in real time through the display screen, for example: the carrier power, the temperature, the standing wave ratio, the attenuation and the like ensure that a user can know the working state of the utility model in time, the adjustment is convenient according to the working state, and the working efficiency of the utility model is improved.
Furthermore, the top cover is positioned on one side of the power amplifier shell and is bonded with a shock absorption pad, the shock absorption pad is inserted into the inner side of the power amplifier shell and is attached to the upper side of the power amplifier main body, the upper side of the power amplifier main body can be subjected to shock absorption protection through the shock absorption pad, the probability of damage of the power amplifier main body is reduced, the service life of the power amplifier main body is prolonged, elements in the power amplifier main body can be overhauled and replaced through opening the top cover, and the use convenience of the power amplifier main body is improved.
Furthermore, foot pads are fixedly bonded on the periphery of the bottom end of the power amplifier shell, a through hole is formed in the front end of the power amplifier shell in a penetrating mode, an air inlet is formed in the rear side of the power amplifier shell in a penetrating mode, friction between the power amplifier shell and a contact surface can be increased through the foot pads, the stability of the power amplifier shell is improved, air can be sucked to the inner side of the power amplifier shell through the air inlet and dissipated to the main body of the power amplifier, damage of the power amplifier shell due to overheating is avoided, and maintenance expenditure is reduced.
Furthermore, a heat dissipation plate is fixedly welded on the inner side of the power amplifier shell, a partition plate is fixedly welded on the inner side of the power amplifier shell, which is positioned at the rear end of the heat dissipation plate, the heat dissipation fan is positioned on the lower side of the partition plate, the fixing plates are positioned at two ends of the heat dissipation plate, and fixing grooves are formed in the upper ends of the fixing plates.
Further, the laminating of amplifirer main part bottom has the heat-conducting plate, the heat-conducting plate connects soon through first bolt and is fixed in amplifirer main part bottom, amplifirer main part both sides are run through and have connect soon the second bolt, can make the amplifirer main part stably be fixed in the heat-conducting plate upside through first bolt with the heat quick conduction that the amplifirer main part produced, avoid when using owing to rock the decline that leads to work efficiency.
Further, the power amplifier main body is attached to the inner side of the power amplifier shell through the heat conducting plate, the heat conducting plate is attached to the upper end of the heat dissipation plate of the power amplifier shell, the second bolt of the power amplifier main body is screwed and fixed to the inner side of the fixing groove of the power amplifier shell, heat generated by the power amplifier main body can be quickly conducted to the heat dissipation plate through the heat conducting plate, the heat dissipation fan can conveniently conduct air cooling heat dissipation on the power amplifier main body, damage of the power amplifier main body due to overheating is avoided, the power amplifier main body can be stably fixed to the inner side of the power amplifier shell through the second bolt, efficiency reduction due to shaking during working is avoided, damage of the power amplifier main body due to unstable internal structure for a long time is avoided, a plurality of fixing plates are arranged in the power amplifier main body fixing device, the power amplifier main body with different sizes can be screwed and fixed, and universality of the power amplifier main body fixing device is greatly improved.
Furthermore, an adjusting knob is clamped at the front side of the control assembly, a control button and a plug-in port are clamped and fixed at the front end of the control assembly, which is positioned at the other side of the adjusting knob relative to the display screen, the adjusting knob, the control button and the plug-in port are clamped and fixed at the inner side of the through hole, power and the like can be adjusted through the adjusting knob, the on-off of the power amplifier can be controlled through the control button, power can be input and output through the plug-in port, the control assembly can monitor the state of the power amplifier body in real time and report the state in real time through the display screen, and a user can adjust the power amplifier to the optimal state conveniently.
The utility model has the following beneficial effects:
1. the utility model solves the problems that the internal structure of the existing power amplifier is always fixed, the replacement of elements in the power amplifier is inconvenient when the elements in the power amplifier are required, the power amplifier is difficult to change according to the power requirement, the universality is not high, the existing power amplifier is difficult to clean to know the running state, the adjustment and the control can not be carried out according to the requirement and the optimal state of the output power can not be ensured by opening the top cover, the elements in the utility model can be conveniently overhauled and changed by opening the top cover, time and labor are saved, the power amplifier main bodies with different sizes can be fixed by a plurality of fixing plates, the universality of the utility model is greatly improved, the state of the power amplifier main body monitored by the control component can be reported in real time by the display screen, the user can be informed in time and the adjustment can be conveniently carried out by the user, the working efficiency of the utility model is improved.
2. The utility model solves the problems that the prior power amplifier naturally radiates heat through the radiating teeth, has low radiating efficiency, and can be damaged due to the fact that the internal temperature rises to exceed the maximum working temperature which can be borne by the power amplifier after long-time work, the maintenance expense is increased, and the normal use of the power amplifier is influenced by the natural radiating mode of the prior power amplifier by arranging the power amplifier shell and the power amplifier main body.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural effect diagram of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a structural view of a first buffer plate according to the present invention;
FIG. 4 is a structural view of a second buffer plate according to the present invention;
fig. 5 is a structural diagram of the limiting plate of the utility model.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a power amplifier housing; 101. a top cover; 102. a shock pad; 103. a foot pad; 104. a through hole; 105. a partition plate; 106. a heat dissipation plate; 107. an air inlet; 108. a heat radiation fan; 109. a fixing plate; 110. fixing grooves; 2. a power amplifier main body; 201. a heat conducting plate; 202. a first bolt; 203. a second bolt; 3. a control component; 301. a display screen; 302. adjusting a knob; 303. a control button; 304. an interface.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-5, the present invention is a power amplifier, including a power amplifier housing 1, a power amplifier main body 2 and a control assembly 3, wherein a top cover 101 is fastened to an upper end of the power amplifier housing 1, components in the present invention can be changed and maintained by rotating the top cover 101, a fixing plate 109 is welded to an inner side of the power amplifier housing 1, the power amplifier main body 2 can be fixed by the fixing plate 109, the stability of the present invention in operation is ensured, a plurality of fixing plates 109 can fix power amplifier main bodies 2 of different sizes, a user can change the power amplifier main body 2 according to power requirements, a heat dissipation fan 108 is fastened to an inner side of the power amplifier housing 1, the power amplifier main body 2 can be dissipated by the heat dissipation fan 108, damage caused by long-time overheating environment is avoided, maintenance cost is reduced, the power amplifier main body 2 is fastened to the inner side of the power amplifier housing 1, the power amplifier comprises a power amplifier shell 1, a control component 3 is fixed on the inner side of the power amplifier shell 1 in a clamping mode, a display screen 301 is fixed on the front side of the control component 3 in a clamping mode, the power amplifier can be controlled to be turned on and off and adjusted through the control component 3, the working state of a power amplifier main body 2 can be monitored through the control component 3, and the monitored state is reported in real time through the display screen 301, for example: the carrier power, the temperature, the standing wave ratio, the attenuation and the like ensure that a user can know the working state of the utility model in time and is convenient to adjust according to the working state.
As shown in fig. 1-3, a shock pad 102 is adhered to one side of a top cover 101 of a power amplifier housing 1, the shock pad 102 is inserted into the power amplifier housing 1, the shock pad 102 is attached to the upper side of the power amplifier main body 2, a foot pad 103 is adhered and fixed to the periphery of the bottom end of the power amplifier housing 1, a through hole 104 is formed in the front end of the power amplifier housing 1, an air inlet 107 is formed in the rear end of the power amplifier housing 1, a heat dissipation plate 106 is welded and fixed to the inner side of the power amplifier housing 1, a partition plate 105 is welded and fixed to the rear end of the heat dissipation plate 106, a heat dissipation fan 108 is located on the lower side of the partition plate 105, a fixing plate 109 is located at two ends of the heat dissipation plate 106, a fixing groove 110 is formed in the upper end of the fixing plate 109, the upper side of the power amplifier main body 2 can be protected by shock absorption through the shock pad 102, the probability of damage to the power amplifier main body 2 is reduced, and the elements in the utility model can be repaired and replaced by opening the top cover 101, the friction between the power amplifier and the contact surface can be increased through the foot pads 103, the heat dissipation fan 108 can suck air to the inner side of the power amplifier through the air inlets 107 and dissipate the heat of the power amplifier main body 2, damage caused by overheating is avoided, maintenance expenditure is reduced, the heat dissipation area of the power amplifier main body 2 can be greatly increased through the heat dissipation plate 106, heat dissipation efficiency is improved, dust can be prevented from entering the inner side of the power amplifier through the partition plates 105, and damp corrosion of elements caused by dust accumulated on the inner side of the power amplifier is avoided.
As shown in fig. 4, a heat conducting plate 201 is attached to the bottom end of the power amplifier main body 2, the heat conducting plate 201 is screwed and fixed to the bottom end of the power amplifier main body 2 through a first bolt 202, second bolts 203 are screwed and connected to two sides of the power amplifier main body 2 in a penetrating manner, the power amplifier main body 2 is attached to the inner side of the power amplifier housing 1 through the heat conducting plate 201, the heat conducting plate 201 is attached to the upper end of the heat dissipating plate 106 of the power amplifier housing 1, the second bolts 203 of the power amplifier main body 2 are screwed and fixed to the inner side of the fixing grooves 110 of the power amplifier housing 1, the power amplifier main body 2 can be stably fixed to the upper side of the heat conducting plate 201 through the first bolts 202, the reduction of the work efficiency caused by shaking during use is avoided, the power amplifier main body 2 can be stably fixed to the inner side of the power amplifier housing 1 through the second bolts 203, the damage caused by the unstable internal structure for a long time is avoided, the heat generated by the power amplifier main body 2 can be rapidly conducted to the heat dissipating plate 106 through the heat conducting plate 201, the heat dissipation fan 108 can perform air cooling heat dissipation on the power amplifier, and damage caused by overheating is avoided.
As shown in fig. 5, an adjusting knob 302 is clamped on the front side of the control component 3, a control button 303 and a socket 304 are clamped and fixed on the front end of the control component 3, which is located on the other side of the adjusting knob 302 relative to the display screen 301, the adjusting knob 302, the control button 303 and the socket 304 are clamped and fixed on the inner side of the through hole 104, power and the like can be adjusted through the adjusting knob 302, the on and off of the power amplifier can be controlled through the control button 303, power can be input and output through the socket 304, the control component 3 can monitor the state of the power amplifier main body 2 in real time, and the state can be reported through the display screen 301 in real time, so that a user can adjust the power amplifier to the optimal state conveniently.
One specific application of this embodiment is: the input and output plug is plugged into the inner side of the plug interface 304, the control button 303 is pressed to start the utility model, the working state of the power amplifier main body 2 can be monitored in real time through the control component 3, and the states are as follows through the display screen 301: the carrier power, the temperature, the standing-wave ratio, the attenuation quantity and the like are reported in time, so that a user can know the carrier power, the temperature, the standing-wave ratio and the attenuation quantity in time and conveniently adjust the carrier power, the temperature, the standing-wave ratio and the attenuation quantity in time through the adjusting knob 302, the working efficiency of the power amplifier is ensured, the upper side of the power amplifier main body 2 can be protected in a shock absorption way through the shock absorption pad 102, the probability of damage to the power amplifier main body 2 is reduced, the service life of the power amplifier is prolonged, the friction between the power amplifier main body and a contact surface can be increased through the foot pad 103, the stability of the power amplifier is improved, the power amplifier main body 2 can be stably fixed on the upper side of the heat conduction plate 201 through the first bolt 202, the reduction of the working efficiency caused by shaking in use is avoided, the power amplifier main body 2 can be stably fixed on the inner side of the power amplifier shell 1 through the second bolt 203, the reduction of the efficiency caused by shaking in work of the utility model is avoided, the damage caused by long-time due to the internal structure is avoided, the heat conduction plate 201 can quickly conduct the heat generated by the power amplifier main body 2 to the unstable heat dissipation plate 106, air is blown to the inner side of the power amplifier from the air inlet 107 through the heat dissipation fan 108, air cooling heat dissipation is carried out on the heat dissipation plate 106, damage caused by overheating is avoided, the service life of the power amplifier is prolonged, dust can be prevented from entering the power amplifier through the partition plate 105, damp corrosion of elements caused by dust accumulation is avoided, maintenance expenditure is reduced, when the power amplifier needs to be overhauled and changed, the power amplifier can be opened through rotating the top cover 101, time and labor are saved, the power amplifier main bodies 2 of different sizes can be screwed and fixed through the fixing plates 109 in the power amplifier shell 1, and universality of the power amplifier is greatly improved.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (7)
1. A power amplifier comprising a power amplifier housing (1), a power amplifier body (2) and a control assembly (3), characterized in that: the utility model discloses a power amplifier, including power amplifier shell (1), power amplifier shell (1) upper end joint has top cap (101), power amplifier shell (1) inboard welding has fixed plate (109), power amplifier shell (1) inboard joint is fixed with radiator fan (108), power amplifier shell (1) inboard connects fixedly has power amplifier main part (2) soon, power amplifier shell (1) inboard joint is fixed with control assembly (3), control assembly (3) front side joint is fixed with display screen (301).
2. The power amplifier according to claim 1, wherein a shock absorbing pad (102) is bonded to the top cover (101) on one side of the power amplifier housing (1), the shock absorbing pad (102) is inserted into the power amplifier housing (1), and the shock absorbing pad (102) is attached to the upper side of the power amplifier main body (2).
3. The power amplifier according to claim 1, wherein foot pads (103) are bonded and fixed around the bottom end of the power amplifier housing (1), a through hole (104) is formed through the front end of the power amplifier housing (1), and an air inlet (107) is formed through the rear side of the power amplifier housing (1).
4. The power amplifier according to claim 1, wherein a heat dissipation plate (106) is welded and fixed on the inner side of the power amplifier housing (1), a partition plate (105) is welded and fixed on the inner side of the power amplifier housing (1) at the rear end of the heat dissipation plate (106), the heat dissipation fan (108) is located on the lower side of the partition plate (105), the fixing plates (109) are located at two ends of the heat dissipation plate (106), and fixing grooves (110) are formed in the upper ends of the fixing plates (109).
5. The power amplifier according to claim 1, wherein a heat conducting plate (201) is attached to a bottom end of the power amplifier main body (2), the heat conducting plate (201) is screwed and fixed to the bottom end of the power amplifier main body (2) through a first bolt (202), and second bolts (203) are screwed and connected to two sides of the power amplifier main body (2) in a penetrating manner.
6. A power amplifier according to claim 1, wherein the power amplifier main body (2) is attached to the inner side of the power amplifier housing (1) through a heat conducting plate (201), the heat conducting plate (201) is attached to the upper end of the heat dissipating plate (106) of the power amplifier housing (1), and the second bolt (203) of the power amplifier main body (2) is screwed and fixed to the inner side of the fixing groove (110) of the power amplifier housing (1).
7. The power amplifier according to claim 1, wherein an adjusting knob (302) is clamped on a front side of the control component (3), a control button (303) and a socket (304) are clamped and fixed on the front end of the control component (3) which is located on the other side, opposite to the display screen (301), of the adjusting knob (302), and the display screen (301), the adjusting knob (302), the control button (303) and the socket (304) are clamped and fixed on the inner side of the through hole (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121904133.3U CN215898185U (en) | 2021-08-13 | 2021-08-13 | Power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121904133.3U CN215898185U (en) | 2021-08-13 | 2021-08-13 | Power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215898185U true CN215898185U (en) | 2022-02-22 |
Family
ID=80342377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121904133.3U Active CN215898185U (en) | 2021-08-13 | 2021-08-13 | Power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215898185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114585226A (en) * | 2022-03-07 | 2022-06-03 | 南通联航通讯科技有限公司 | Energy-saving power amplifier cooling device with heat exchange |
-
2021
- 2021-08-13 CN CN202121904133.3U patent/CN215898185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114585226A (en) * | 2022-03-07 | 2022-06-03 | 南通联航通讯科技有限公司 | Energy-saving power amplifier cooling device with heat exchange |
| CN114585226B (en) * | 2022-03-07 | 2023-10-03 | 南通联航通讯科技有限公司 | Energy-saving power amplifier cooling device with heat exchange |
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