CN210225656U - Liquid cooling power amplifier - Google Patents
Liquid cooling power amplifier Download PDFInfo
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- CN210225656U CN210225656U CN201921374389.0U CN201921374389U CN210225656U CN 210225656 U CN210225656 U CN 210225656U CN 201921374389 U CN201921374389 U CN 201921374389U CN 210225656 U CN210225656 U CN 210225656U
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- cavity
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- power amplifier
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Abstract
The utility model discloses a liquid cooling power amplifier, including airtight casing and the circuit board that is equipped with power device, the top surface of airtight casing is well cavity, and the chamber that holds of circuit board is installed to the below that just is located well cavity in airtight casing be equipped with well cavity of intercommunication and the liquid return mouth and the inlet that hold the chamber on the bottom surface of well cavity be equipped with the circulating pump in holding the chamber, the import of circulating pump communicates with each other with holding the chamber, the export of circulating pump links to each other with the inlet, be equipped with the radiator on the top surface of well cavity. The utility model adopts the insulating cooling liquid to directly contact and cool the power device, thereby improving the heat dissipation efficiency, effectively reducing the working temperature of the power device, avoiding high-temperature damage, and improving the stability and the service life of the whole machine; moreover, the utility model adopts a liquid cooling mode to replace the traditional high-efficiency fan for heat dissipation, thereby saving energy and reducing noise; in addition, the insulating cooling liquid covers the whole circuit board to isolate air humidity, so that the power amplifier can be prevented from being damaged due to moisture and electricity leakage.
Description
Technical Field
The utility model relates to a liquid cooling power amplifier.
Background
The power amplifier is called power amplifier for short, and is the most basic component equipment in sound system, and its main function is to amplify the weak electric signal from signal source to drive loudspeaker to make sound. The power amplifier plays a role of 'organization and coordination' in the whole sound system, and governs to some extent whether the whole system can provide good sound quality output. The power amplifier is applied to professional power amplifiers in meetings, performances and large-scale places, the output power is high, the protection circuit is complete, in order to achieve a good using effect and prolong the service life of the power amplifier, the high-power professional power amplifier needs to have high heat dissipation efficiency.
The existing high-power professional power amplifier mainly uses a high-efficiency fan to dissipate heat through forced air cooling by arranging radiating fins on the surface of a power device inside the power amplifier. However, with the high-speed development of the electronic industry, the power consumption of the power amplifier is gradually increased, in order to improve the heat dissipation efficiency, the heat dissipation efficiency of the conventional fan reaches the limit, and the high-efficiency fan adopts a high rotating speed, so that the noise of the high-power amplifier is serious, and the user experience degree is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, with low costs, improve the radiating efficiency, energy-conservation fall make an uproar, increase of service life's liquid cooling power amplifier.
The above object of the present invention is achieved by the following technical measures: the utility model provides a liquid cooling power amplifier, includes airtight casing and the circuit board that is equipped with power device, the top surface of airtight casing is well cavity, and the chamber that holds of circuit board, its characterized in that are installed to the below that just is located well cavity in airtight casing: be equipped with the cavity in the intercommunication on the bottom surface of cavity and hold liquid return mouth and the inlet in the chamber hold and be equipped with the circulating pump in the chamber, the import of circulating pump communicates with each other with holding the chamber, the export of circulating pump links to each other with the inlet, be equipped with the radiator on the top surface of cavity in the cavity, insulating coolant liquid in the cavity flows in from the liquid return mouth and holds chamber direct contact power device, and insulating coolant liquid after the heat absorption is gone into from the inlet by the circulating pump and is held the cavity in to carry out the heat exchange with the radiator, flow in once more after the cooling and hold the chamber, so the circulation.
The utility model adopts the insulating cooling liquid to directly contact and cool the power device, thereby improving the heat dissipation efficiency, effectively reducing the working temperature of the power device, avoiding high-temperature damage, and improving the stability and the service life of the whole machine; moreover, the utility model adopts a liquid cooling mode to replace the traditional high-efficiency fan for heat dissipation, thereby saving energy and reducing noise; in addition, the insulating cooling liquid covers the whole circuit board to isolate air humidity, so that the power amplifier can be prevented from being damaged due to moisture and electricity leakage.
As an optimized embodiment of the utility model, the liquid return port is a plurality of holes that spray that distribute on well cavity bottom surface, and it is corresponding with each power device to spray the hole for insulating coolant liquid directly sprays on the power device that corresponds with it, and the heat dissipation is more accurate high-efficient.
When heat transfer power is higher, need the supplementary heat dissipation of fan, but the fan rotational speed requirement is not high, consequently, the utility model discloses the side at the radiator is equipped with the fan that the rotational speed is below 2000 revolutions per minute.
As a preferred embodiment of the present invention, the hollow cavity is a cover plate independent of the accommodating cavity, and the cover plate is connected to the opening of the top surface of the accommodating cavity.
In a preferred embodiment of the present invention, a cover-shaped housing is disposed on the top surface of the cover plate, the housing covers the heat sink, and the lower end edge of the housing is connected to the periphery of the cover plate.
As an optimized implementation manner of the utility model, airtight casing is the cuboid, be equipped with the external interface that links to each other with the circuit board on the rear end face of airtight casing, sealed processing between external interface and the airtight casing, be equipped with pilot lamp and the switch that links to each other with the circuit board on the preceding terminal surface of airtight casing.
Compared with the prior art, the utility model discloses the effect that is showing as follows has:
⑴ the utility model discloses an insulating coolant liquid direct contact cooling power device improves the radiating efficiency, can effectively reduce the operating temperature of power device, avoids the high temperature to damage, improves complete machine stability and life-span.
⑵ the utility model discloses a liquid cooling mode has replaced the heat dissipation of traditional high-efficient fan, and energy-conservation falls.
⑶ the utility model discloses insulating coolant liquid covers the circuit board, and isolated air humidity can avoid the power amplifier to receive the damp leakage and damage.
Drawings
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
Fig. 1 is one of the overall structural schematic diagrams of embodiment 1 of the present invention;
fig. 2 is a second schematic structural diagram of embodiment 1 of the present invention;
fig. 3 is an explosion structure diagram of embodiment 1 of the present invention;
fig. 4 is an explosion structure diagram of embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in fig. 1-3, be the utility model relates to a liquid cooling power amplifier, it includes airtight casing 19 and circuit board 3 that is equipped with power device 2, airtight casing is the cuboid, power device 2 includes resistance, electric capacity, inductance, transformer, transistor, chip etc, the top surface of airtight casing is well cavity, cavity 4 that holds of circuit board 3 is installed to the below that just is located well cavity in airtight casing 1, well cavity is an apron 5 that is independent of holding chamber 4, apron 5 is connected on the top surface opening that holds chamber 4. The cover plate 5 mainly comprises a bottom plate 18 and a top plate, a radiator (not shown in the figure) is arranged on the upper plate surface of the top plate, the radiator is a fin radiator, the radiator is in close contact with the top plate, a cover body-shaped shell 16 is arranged on the upper plate surface of the top plate for the sake of attractive appearance, the shell 16 covers the radiator, and the lower end edge of the shell 16 is connected to the periphery of the top plate. Be equipped with on the bottom surface in well cavity and communicate well cavity and hold liquid return port 11 and inlet 12 of chamber 4, be close to the rear end in holding chamber 4 and be equipped with circulating pump 1, circulating pump 1's import 20 communicates with each other with holding chamber 4, circulating pump 1's export 21 links to each other with inlet 12 through the pipeline, insulating coolant liquid in the cavity flows into from liquid return port 11 and holds 4 direct contact power device 2 in the chamber, insulating coolant liquid after the heat absorption is gone into well cavity by circulating pump 1 from inlet 12 pump to carry out the heat exchange with the radiator, flow into once more after the cooling and hold chamber 4, so circulation.
An external interface 13 connected with the circuit board is arranged on the rear end face of the closed shell 19, the external interface 13 and the closed shell are sealed, and an indicator lamp 14 and a power switch 15 connected with the circuit board are arranged on the front end face of the closed shell.
In other embodiments, when the heat exchange power is high, a fan is needed to assist in heat dissipation, and a fan with a rotation speed of less than 2000 rpm can be arranged beside the heat sink (preferably above the heat sink).
The utility model discloses a working process is: the power amplifier is characterized in that a certain amount of insulating cooling liquid is prestored in the accommodating cavity, when the power amplifier works, the power device inside the accommodating cavity generates heat, the insulating cooling liquid absorbs the heat emitted by the power device, then the heat is pumped into the hollow cavity of the cover plate through the circulating pump, heat exchange is carried out between the cavity and the radiator, the cooling liquid after cooling flows back to the accommodating cavity through the liquid return port, and the power device is cooled again.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the liquid return port is a plurality of spraying holes 17 distributed on the bottom surface of the hollow cavity, the spraying holes 17 are arranged in an array mode, the spraying holes 17 correspond to the power devices, so that the insulating cooling liquid is directly sprayed on the corresponding power devices, and the heat dissipation is more accurate and efficient. The upper plate surface of the top plate 22 of the cover plate 5 is provided with a fin radiator 6, the fin radiator 6 is tightly contacted with the top plate 22, and the fins are arranged on the top plate 22 in parallel.
The utility model discloses a working process is: the power amplifier is characterized in that a certain amount of insulating cooling liquid is prestored in the accommodating cavity, when the power amplifier works, the power device inside the accommodating cavity generates heat, the insulating cooling liquid absorbs the heat emitted by the power device, then the heat is exchanged with the radiator in the cavity through the pumping of the circulating pump into the hollow cavity of the cover plate, the cooling liquid is cooled, and the cooled cooling liquid is sprayed onto the power device through the spraying holes to cool the power device again. Compared with embodiment 1, the spray holes directly face each power device, and the heat dissipation is more accurate and efficient.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, according to the common technical knowledge and the conventional means in the field, the present invention can also make other modifications, replacements or changes in various forms, all falling within the scope of protection of the present invention.
Claims (6)
1. The utility model provides a liquid cooling power amplifier, includes airtight casing and the circuit board that is equipped with power device, the top surface of airtight casing is well cavity, and the chamber that holds of circuit board, its characterized in that are installed to the below that just is located well cavity in airtight casing: be equipped with the cavity in the intercommunication on the bottom surface of cavity and hold liquid return mouth and the inlet in the chamber hold and be equipped with the circulating pump in the chamber, the import of circulating pump communicates with each other with holding the chamber, the export of circulating pump links to each other with the inlet, be equipped with the radiator on the top surface of cavity in the cavity, insulating coolant liquid in the cavity flows in from the liquid return mouth and holds chamber direct contact power device, and insulating coolant liquid after the heat absorption is gone into from the inlet by the circulating pump and is held the cavity in to carry out the heat exchange with the radiator, flow in once more after the cooling and hold the chamber, so the circulation.
2. The liquid-cooled power amplifier of claim 1, wherein: the liquid return port is a plurality of spraying holes distributed on the bottom surface of the hollow cavity, and the spraying holes correspond to the power devices.
3. The liquid-cooled power amplifier of claim 1 or 2, wherein: a fan with the rotating speed of less than 2000 rpm is arranged beside the radiator.
4. The liquid-cooled power amplifier of claim 3, wherein: the hollow cavity is a cover plate independent of the accommodating cavity, and the cover plate is connected to the opening on the top surface of the accommodating cavity.
5. The liquid-cooled power amplifier of claim 4, wherein: and a cover-shaped shell is arranged on the top surface of the cover plate, the shell covers the radiator, and the lower end edge of the shell is connected to the periphery of the cover plate.
6. The liquid-cooled power amplifier of claim 5, wherein: the sealed shell is a rectangular body, an external interface connected with the circuit board is arranged on the rear end face of the sealed shell, the external interface and the sealed shell are sealed, and an indicator lamp and a power switch which are connected with the circuit board are arranged on the front end face of the sealed shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374389.0U CN210225656U (en) | 2019-08-22 | 2019-08-22 | Liquid cooling power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374389.0U CN210225656U (en) | 2019-08-22 | 2019-08-22 | Liquid cooling power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210225656U true CN210225656U (en) | 2020-03-31 |
Family
ID=69919925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374389.0U Active CN210225656U (en) | 2019-08-22 | 2019-08-22 | Liquid cooling power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210225656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755211A (en) * | 2020-05-26 | 2020-10-09 | 甬矽电子(宁波)股份有限公司 | Power module and manufacturing method thereof |
| CN112751103A (en) * | 2020-12-22 | 2021-05-04 | 江苏苏美达五金工具有限公司 | Liquid cooling battery pack |
-
2019
- 2019-08-22 CN CN201921374389.0U patent/CN210225656U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755211A (en) * | 2020-05-26 | 2020-10-09 | 甬矽电子(宁波)股份有限公司 | Power module and manufacturing method thereof |
| CN111755211B (en) * | 2020-05-26 | 2021-04-23 | 甬矽电子(宁波)股份有限公司 | Power module and manufacturing method thereof |
| CN112751103A (en) * | 2020-12-22 | 2021-05-04 | 江苏苏美达五金工具有限公司 | Liquid cooling battery pack |
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