CN217694158U - Over-temperature protection device of pulse power amplifier - Google Patents
Over-temperature protection device of pulse power amplifier Download PDFInfo
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- CN217694158U CN217694158U CN202221559636.6U CN202221559636U CN217694158U CN 217694158 U CN217694158 U CN 217694158U CN 202221559636 U CN202221559636 U CN 202221559636U CN 217694158 U CN217694158 U CN 217694158U
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- Prior art keywords
- power amplifier
- heat dissipation
- rotating shaft
- dissipation channel
- channel
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a pulse power amplifier's excess temperature protection device relates to heat abstractor technical field, this pulse power amplifier's excess temperature protection device includes power amplifier, power amplifier's rear side is opened and is equipped with heat dissipation channel, heat dissipation channel's inside fixedly connected with filter screen, power amplifier's front side fixedly connected with motor, and then drive the third pivot through the starter motor and rotate, finally drive all rotor plates at the heat dissipation channel internal rotation, and then the effectual fan that makes in the power amplifier when blowing air and giving off to the heat dissipation channel outside in the power amplifier, rotate through the rotor plate once more, promote that the hot-air in the power amplifier removes to the outside from power amplifier, more be favorable to the high temperature air to outside dispersion in the power amplifier, improve the excess temperature protect function to power amplifier, more be favorable to improving the result of use to power amplifier, further strengthen power amplifier's long-term service life.
Description
Technical Field
The utility model relates to a heat abstractor technical field, in particular to pulse power amplifier's excess temperature protection device.
Background
A power amplifier, referred to as "power amplifier" for short, refers to an amplifier that can generate maximum power output to drive a load (such as a speaker) under a given distortion rate. The power amplifier plays a role of organization and coordination in the whole sound system, and dominates to a certain extent whether the whole system can provide good tone quality output, and the pulse power amplifier is a high-gain and high-power amplifier and can output high-power pulse wave power within a bandwidth range.
However, when the pulse power amplifier is used, the pulse power amplifier is a high-power amplifier, and therefore, the inside of the pulse power amplifier is more prone to generate a high temperature phenomenon during the use of the pulse power amplifier, an over-temperature protection device is needed to be used while the pulse power amplifier is used to prevent the over-temperature phenomenon during the use of the pulse power amplifier, most of the devices use a fan to blow away high-temperature air in the pulse power amplifier, and further prevent the device in the pulse power amplifier from generating a high temperature phenomenon, but when the fan blows the air in the pulse power amplifier to be dissipated to the outside of the heat dissipation channel, the size of the wind force blown to the heat dissipation channel by the fan can be controlled, when the wind force of the fan is weak, the hot air moving to the side of the heat dissipation channel cannot be pushed by the wind force, at this time, the hot air cannot smoothly pass through the heat dissipation channel and is discharged to the outside of the pulse power amplifier, so that the hot air blown by the fan cannot be smoothly blown from the heat dissipation channel to the outside of the pulse power amplifier, and the hot air stays in the inside of the pulse power amplifier, and the device cannot be used for protecting the whole pulse power amplifier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide and can improve the radiating effect to power amplifier in use, can solve when the wind-force of fan is more weak, remove the steam on radiating channel next door because not receiving the promotion of wind-force, can't be with the smooth outside problem of discharging pulse power amplifier through radiating channel of steam this moment.
In order to achieve the above object, the utility model provides a following technical scheme: the over-temperature protection device of the pulse power amplifier comprises a power amplifier, wherein a heat dissipation channel is formed in the rear side of the power amplifier, a filter screen is fixedly connected inside the heat dissipation channel, a motor is fixedly connected to the front side of the power amplifier, the rear side output end of the motor extends into the power amplifier, and a heat dissipation device is arranged in the power amplifier;
the heat dissipation device comprises a first rotating shaft, the first rotating shaft is fixedly connected to the rear output end of the motor, the rear side of the first rotating shaft is fixedly connected with a fan, and a first conical gear is fixedly sleeved on the surface of the first rotating shaft.
Preferably, a channel is formed in the inner wall of the power amplifier, the right side of the channel is communicated with the heat dissipation channel, the first bevel gear is rotatably connected in the channel, the left wall of the channel is rotatably connected with a second rotating shaft, a second bevel gear is fixedly sleeved on the surface of the second rotating shaft, and the second bevel gear is in meshed connection with the first bevel gear.
Preferably, the fixed cover in surface of second pivot has connect first sprocket, and the left wall of passageway rotates and is connected with the third pivot, and the right side of third pivot extends to the right wall of heat dissipation passageway, and the fixed surface of third pivot cup joints the second sprocket, and the surface transmission of second sprocket and first sprocket is connected with the chain.
Preferably, the surface of the third rotating shaft is fixedly sleeved with the main gear, the surface of the third rotating shaft, which is positioned in the heat dissipation channel, is fixedly connected with the rotating plate, the rotating plate is rotatably connected in the heat dissipation channel, and the rotating rod is rotatably connected in the channel.
Preferably, the right side of dwang extends to the right wall in the heat dissipation channel, and the same fixedly connected with rotor plate in surface of dwang has the pinion gear of the fixed cover in surface of dwang, and the pinion gear is connected with the master gear meshing.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) This pulse power amplifier's excess temperature protection device, and then drive the rotation of third pivot through the starter motor, finally drive all rotor plates at the heat dissipation channel internal rotation, and then when effectual messenger's power amplifier in the fan air distributes to the heat dissipation channel outside blowing power amplifier, rotate through the rotor plate once more, promote the hot-air in the power amplifier and remove to the outside from power amplifier, more be favorable to with the interior high-temperature air of power amplifier to outside dispersion, improve the excess temperature protect function to power amplifier, more be favorable to improving the result of use to power amplifier, further strengthen power amplifier's long-term life.
(2) The over-temperature protection device of the pulse power amplifier can exchange air in the power amplifier with air outside the power amplifier through the arrangement of the heat dissipation channel, so that the situation that the temperature of the power amplifier is too high in use is effectively prevented, the phenomenon that the power amplifier is short-circuited due to the too high temperature in use is caused, and the over-temperature protection effect on the power amplifier is further improved.
(3) This pulse power amplifier's excess temperature protection device rotates through the fan, and then the effectual heat that produces the equipment in the power amplifier is bloied, and the effectual high temperature air with in the power amplifier blows to heat dissipation channel's outside, and the effectual processing of cooling down is carried out to the equipment in the power amplifier, has further improved the excess temperature protection effect to whole device.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of an over-temperature protection device of a pulse power amplifier according to the present invention;
fig. 2 is a schematic diagram of the interior of the power amplifier of the present invention;
fig. 3 is a schematic view of a third rotating shaft of the present invention;
fig. 4 is a top view of the power amplifier of the present invention;
fig. 5 is a schematic view of the heat dissipation channel of the present invention.
Reference numerals: 1. a power amplifier; 2. a heat dissipation channel; 3. filtering with a screen; 4. a channel; 5. a motor; 6. a first rotating shaft; 7. a first bevel gear; 8. a fan; 9. a second rotating shaft; 10. a second bevel gear; 11. a first sprocket; 12. a chain; 13. a second sprocket; 14. a third rotating shaft; 15. a main gear; 16. a rotating plate; 17. rotating the rod; 18. a pinion gear.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a pulse power amplifier's excess temperature protection device includes power amplifier 1, power amplifier 1's rear side is opened and is equipped with a plurality of heat dissipation channel 2, specific quantity is decided according to actual conditions, the structure in a plurality of heat dissipation channel 2 is all the same, can make the air in power amplifier 1 exchange with the outside air of power amplifier 1 through setting up of heat dissipation channel 2, and then the inside condition that produces the high temperature of effectual prevention power amplifier 1 in use, make power amplifier 1 in use because the phenomenon of the too high short circuit that produces of temperature, the excess temperature protection effect to power amplifier 1 has further been improved.
The inside fixedly connected with filter screen 3 of radiating passage 2, filter screen 3 can be effectual filters the dust that carries in the air that gets into power amplifier 1 and blocks, prevents to carry too much dust in the air that gets into power amplifier 1 and enters into power amplifier 1's inside, and then influences the normal use of equipment in power amplifier 1, and then the effectual stability in use who guarantees whole device.
A plurality of motors 5 of power amplifier 1's front side fixedly connected with, specific quantity is decided according to actual conditions, and the structure on a plurality of motors 5 is all the same, and the rear side output of motor 5 extends to power amplifier 1's inside, and the rear side output fixedly connected with of motor 5 has first pivot 6, and the rear side fixedly connected with fan 8 of first pivot 6, and the fixed surface of first pivot 6 has cup jointed first conical gear 7.
A channel 4 is formed in the inner wall of the power amplifier 1, the right side of the channel 4 is communicated with the heat dissipation channel 2, the first bevel gear 7 is rotatably connected in the channel 4, the left wall of the channel 4 is rotatably connected with a second rotating shaft 9, a second bevel gear 10 is fixedly sleeved on the surface of the second rotating shaft 9, and the second bevel gear 10 is meshed with the first bevel gear 7.
When the power amplifier 1 needs to be started, the equipment in the power amplifier 1 needs to be cooled, then the motor 5 is started, the motor 5 is started to drive the first rotating shaft 6 to start rotating, and the first rotating shaft 6 rotates to drive the fan 8 to rotate.
Rotate through fan 8, and then the effectual heat that produces the equipment in power amplifier 1 bloies, and the effectual high temperature air that blows in power amplifier 1 blows to heat dissipation channel 2's outside, and the effectual processing of cooling down of equipment in power amplifier 1 has further improved the excess temperature protection effect to whole device.
The first rotating shaft 6 rotates to drive the first bevel gear 7 to rotate, the first bevel gear 7 rotates to drive the second bevel gear 10 to rotate, and the second bevel gear 10 rotates to drive the second rotating shaft 9 to rotate.
The surface of the second rotating shaft 9 is fixedly sleeved with a first chain wheel 11, the left wall of the channel 4 is rotatably connected with a third rotating shaft 14, the right side of the third rotating shaft 14 extends to the right wall of the heat dissipation channel 2, the surface of the third rotating shaft 14 is fixedly sleeved with a second chain wheel 13, the second chain wheel 13 is in transmission connection with the surface of the first chain wheel 11, and the surface of the third rotating shaft 14 is fixedly sleeved with a main gear 15.
The third pivot 14 is located the fixed surface of heat dissipation channel 2 and is connected with rotor plate 16, rotor plate 16 is at the rotation connection in heat dissipation channel 2, the inside rotation of passageway 4 is connected with a plurality of dwang 17, the quantity of dwang 17 is unanimous with heat dissipation channel 2's quantity, the structure on a plurality of dwang 17 is all the same, the right side of dwang 17 extends to the right wall in heat dissipation channel 2, the same fixed surface of dwang 17 is connected with rotor plate 16, the fixed surface of dwang 17 has cup jointed pinion 18, pinion 18 is connected with main gear 15 meshing, a plurality of pinion 18 are "1" font and arrange, meshing connection about between a plurality of pinion 18.
The second bevel gear 10 rotates to drive the first chain wheel 11 to rotate, the first chain wheel 11 rotates to drive the chain 12 to start transmission, the chain 12 drives the second chain wheel 13 to start rotation, the second chain wheel 13 rotates to drive the third rotating shaft 14 to start rotation, the third rotating shaft 14 rotates to drive the rotating plate 16 to start rotation, the third rotating shaft 14 rotates to drive the main gear 15 to rotate, the main gear 15 rotates to drive the pinion 18 to rotate, the pinion 18 rotates to drive other pinions 18 to rotate, further, all the rotating rods 17 are driven to rotate under the rotation of all the pinions 18, and all the rotating rods 17 rotate to drive all the rotating plates 16 which are fixedly sleeved on the surface to rotate.
Through starter motor 5 and then drive third pivot 14 and rotate, finally drive all rotor plates 16 at heat dissipation channel 2 internal rotations, and then when effectual fan 8 that makes in the power amplifier 1 blows the interior air of power amplifier 1 and gives off to heat dissipation channel 2 outside, rotate through rotor plates 16 once more, promote the interior hot-air of power amplifier 1 and remove to the outside from power amplifier 1, more be favorable to dispersing the interior high-temperature air of power amplifier 1 to the outside, improve the overtemperature prote function to power amplifier 1, more be favorable to improving the result of use to power amplifier 1, further strengthen power amplifier 1's long-term life.
The working principle is as follows: the first rotating shaft 6 rotates to drive the first bevel gear 7 to rotate, the first bevel gear 7 rotates to drive the second bevel gear 10 to rotate, and the second bevel gear 10 rotates to drive the second rotating shaft 9 to rotate.
The second bevel gear 10 rotates to drive the first chain wheel 11 to rotate, the first chain wheel 11 rotates to drive the chain 12 to start transmission, the chain 12 drives the second chain wheel 13 to start rotation, the second chain wheel 13 rotates to drive the third rotating shaft 14 to start rotation, the third rotating shaft 14 rotates to drive the rotating plate 16 to start rotation, the third rotating shaft 14 rotates to drive the main gear 15 to rotate, the main gear 15 rotates to drive the pinion 18 to rotate, the pinion 18 rotates to drive other pinions 18 to rotate, further, all the rotating rods 17 are driven to rotate under the rotation of all the pinions 18, and all the rotating rods 17 rotate to drive all the rotating plates 16 which are fixedly sleeved on the surface to rotate.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The over-temperature protection device of the pulse power amplifier is characterized in that: the heat dissipation device comprises a power amplifier (1), wherein a heat dissipation channel (2) is formed in the rear side of the power amplifier (1), a filter screen (3) is fixedly connected inside the heat dissipation channel (2), a motor (5) is fixedly connected to the front side of the power amplifier (1), the rear side output end of the motor (5) extends into the power amplifier (1), and a heat dissipation device is arranged in the power amplifier (1);
the heat dissipation device comprises a first rotating shaft (6), the first rotating shaft (6) is fixedly connected to the rear side output end of the motor (5), a fan (8) is fixedly connected to the rear side of the first rotating shaft (6), and a first bevel gear (7) is fixedly sleeved on the surface of the first rotating shaft (6).
2. The over-temperature protection device of the pulse power amplifier according to claim 1, wherein: the power amplifier is characterized in that a channel (4) is formed in the inner wall of the power amplifier (1), the right side of the channel (4) is communicated with the heat dissipation channel (2), a first bevel gear (7) is rotatably connected in the channel (4), the left wall of the channel (4) is rotatably connected with a second rotating shaft (9), a second bevel gear (10) is fixedly sleeved on the surface of the second rotating shaft (9), and the second bevel gear (10) is meshed with the first bevel gear (7).
3. The over-temperature protection device for the pulse power amplifier according to claim 2, wherein: the fixed cover in surface of second pivot (9) has connect first sprocket (11), and the left wall of passageway (4) rotates and is connected with third pivot (14), and the right side of third pivot (14) extends to the right wall of heat dissipation passageway (2), and the fixed surface of third pivot (14) has cup jointed second sprocket (13), and second sprocket (13) are connected with chain (12) with the surface transmission of first sprocket (11).
4. The over-temperature protection device of the pulse power amplifier as claimed in claim 3, wherein: the surface of the third rotating shaft (14) is fixedly sleeved with a main gear (15), the surface of the third rotating shaft (14) located in the heat dissipation channel (2) is fixedly connected with a rotating plate (16), the rotating plate (16) is rotatably connected in the heat dissipation channel (2), and the inner part of the channel (4) is rotatably connected with a rotating rod (17).
5. The over-temperature protection device of the pulse power amplifier as claimed in claim 4, wherein: the right side of dwang (17) extends to the right wall in heat dissipation channel (2), the same fixedly connected with rotor plate (16) in surface of dwang (17), and the fixed surface of dwang (17) has cup jointed pinion (18), and pinion (18) are connected with master gear (15) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559636.6U CN217694158U (en) | 2022-06-21 | 2022-06-21 | Over-temperature protection device of pulse power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559636.6U CN217694158U (en) | 2022-06-21 | 2022-06-21 | Over-temperature protection device of pulse power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217694158U true CN217694158U (en) | 2022-10-28 |
Family
ID=83712381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221559636.6U Expired - Fee Related CN217694158U (en) | 2022-06-21 | 2022-06-21 | Over-temperature protection device of pulse power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217694158U (en) |
-
2022
- 2022-06-21 CN CN202221559636.6U patent/CN217694158U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221028 |