CN221008078U - Cooling system based on liquid cooling technology in monolithic liquid crystal projector - Google Patents
Cooling system based on liquid cooling technology in monolithic liquid crystal projector Download PDFInfo
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- CN221008078U CN221008078U CN202322629541.8U CN202322629541U CN221008078U CN 221008078 U CN221008078 U CN 221008078U CN 202322629541 U CN202322629541 U CN 202322629541U CN 221008078 U CN221008078 U CN 221008078U
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- 238000001816 cooling Methods 0.000 title claims abstract description 123
- 239000007788 liquid Substances 0.000 title claims abstract description 109
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 78
- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 230000017525 heat dissipation Effects 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000004519 grease Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
Abstract
The application relates to a cooling system based on liquid cooling technology in a monolithic liquid crystal projector, comprising: the LED projector comprises a single-chip liquid crystal projector body, wherein an LED lamp panel, a liquid crystal display screen and a lens are arranged on the projector body, and an LED lamp panel radiating assembly and a liquid crystal radiating assembly for radiating the LED lamp panel are arranged on a substrate of the LED lamp panel. According to the cooling system of the monolithic liquid crystal projector based on the liquid cooling technology, heat generated by a projector light source and liquid crystal is driven by the water pump to be rapidly conducted into the cold-discharge multistage heat conduction pipeline, and then the liquid is discharged out of the projector by the low-rotation-speed fan, so that the working temperature of a heating component is greatly reduced, wind noise is effectively reduced while high-efficiency heat dissipation is carried out, various key indexes of the monolithic liquid crystal projector are improved, and bad experience of the projector caused by wind noise to users is solved; the heat dissipation system has very high heat dissipation efficiency, and promotes the further development of the monolithic liquid crystal projector industry.
Description
Technical Field
The application belongs to the technical field of heat dissipation of a single-chip liquid crystal projector, and particularly relates to a heat dissipation system based on a liquid cooling technology in the single-chip liquid crystal projector.
Background
The existing monolithic liquid crystal projector heat dissipation system is metal fin air-cooled heat dissipation. After the LED light-emitting device (hereinafter referred to as an LED lamp panel) conducts heat through the metal (aluminum or copper) substrate, a heat dissipation system is formed by a metal radiator and a heat dissipation fan. However, the system has the problems of low heat dissipation efficiency and large wind noise, and causes difficulty in heat dissipation of high-power LED light-emitting devices and semiconductor refrigeration, and meanwhile, the wind noise is not optimized, so that the user experience is poor.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the defects in the prior art, the heat dissipation system based on the liquid cooling technology in the monolithic liquid crystal projector aims to rapidly transfer heat generated by a projector light source and liquid crystal into a cold-discharge multistage heat conduction pipeline by driving the liquid through a water pump by utilizing the physical characteristic that the heat conduction coefficient of the liquid is far greater than that of air, and then the liquid is discharged out of a machine by using a low-rotation-speed fan, so that the working temperature of a heating component is greatly reduced, wind noise is effectively reduced, and user experience is obviously improved.
The technical scheme adopted for solving the technical problems is as follows:
A cooling system for a monolithic liquid crystal projector based on liquid cooling technology, comprising:
The LED projector comprises a single-chip liquid crystal projector body, wherein an LED lamp panel, a liquid crystal display screen and a lens are arranged on the projector body, and an LED lamp panel radiating assembly for radiating the LED lamp panel is arranged on a substrate of the LED lamp panel;
The LED lamp panel heat dissipation assembly comprises a second water pump, a fourth liquid cooling pipe, a second cold row and a fifth liquid cooling pipe, wherein a water outlet of the second water pump is connected with the fourth liquid cooling pipe, the fourth liquid cooling pipe is connected with a water inlet of the second cold row, a water outlet of the second cold row is connected with the fifth liquid cooling pipe, and the fifth liquid cooling pipe is connected with a water inlet of the second water pump;
Still include liquid crystal cooling subassembly, liquid crystal cooling subassembly includes first liquid cooling pipe, first water pump, first cold row, second liquid cooling pipe, third liquid cooling pipe and third water pump, the delivery port and the first liquid cooling union coupling of first water pump, third water pump water inlet and first liquid cooling union coupling, third water pump delivery port and third liquid cooling union coupling, third liquid cooling pipe and first cold row water inlet connection, first cold row delivery port and second liquid cooling union coupling, second liquid cooling pipe and first water pump water inlet connection.
Preferably, in the heat dissipation system of a monolithic liquid crystal projector based on the liquid cooling technology of the present invention, the LED lamp panel heat dissipation group further includes a second heat dissipation fan, and the second heat dissipation fan is disposed closely to the second cold row.
Preferably, in the heat dissipation system based on the liquid cooling technology for the monolithic liquid crystal projector, a heat conduction silicone grease for transferring heat is arranged between the LED lamp panel and the heat conduction surface of the second water pump.
Preferably, the liquid cooling technology-based heat dissipation system for a monolithic liquid crystal projector of the invention further comprises a metal liquid crystal radiator, wherein the metal liquid crystal radiator is arranged between the liquid crystal display screen and the heat conducting surfaces of the first water pump and the third water pump.
Preferably, in the heat dissipation system based on the liquid cooling technology for the monolithic liquid crystal projector, heat conduction silicone grease is also arranged between the heat conduction surfaces of the first water pump and the third water pump and the metal liquid crystal radiator.
Preferably, in the heat dissipation system of a monolithic liquid crystal projector based on the liquid cooling technology of the present invention, the liquid crystal heat dissipation assembly further includes a first heat dissipation fan, and the first heat dissipation fan is disposed closely to the first cold row.
Preferably, the heat dissipation system based on the liquid cooling technology in the monolithic liquid crystal projector is characterized in that the first liquid cooling pipe, the second liquid cooling pipe, the third liquid cooling pipe, the fourth liquid cooling pipe and the fifth liquid cooling pipe are all polyurethane heat preservation liquid cooling pipes with good heat preservation function.
Preferably, in the cooling system based on the liquid cooling technology for a monolithic liquid crystal projector according to the present utility model, the first cooling fan and the second cooling fan are low-rotation-speed silent fans.
The beneficial effects of the invention are as follows:
(1) The heat radiation system based on the liquid cooling technology in the monolithic liquid crystal projector rapidly transmits the heat generated by the projector light source and the liquid crystal into the cold discharge multistage heat conduction pipeline by driving the liquid by the water pump, and then the heat is discharged outside the projector by the low-rotation-speed fan, so that the working temperature of a heating component is greatly reduced;
(2) The heat radiation system effectively reduces wind noise while efficiently radiating heat, improves various key indexes of the monolithic liquid crystal projector, and solves the problem of bad experience of the existing projector for users due to wind noise.
Drawings
The technical scheme of the application is further described below with reference to the accompanying drawings and examples.
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the liquid cooling fluid flow direction of an LED lamp panel heat dissipation assembly according to an embodiment of the present application;
FIG. 3 is a schematic diagram of the liquid cooling fluid flow direction of a liquid crystal heat dissipation assembly according to an embodiment of the present application;
The reference numerals in the figures are:
A first liquid-cooled tube 1;
a first water pump 2;
A metal liquid crystal radiator 3;
A first cold row 4;
A first heat radiation fan 5;
A second liquid-cooled tube 6;
a third liquid-cooled tube 7;
a second water pump 8;
A fourth liquid-cooled tube 9;
a fifth liquid-cooled tube 10;
A second heat radiation fan 11;
a second cold row 12;
an LED lamp panel 13;
a liquid crystal display 14;
a lens 15;
And a third water pump 16.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the present application will be described in detail below with reference to the accompanying drawings in combination with embodiments.
Examples
The embodiment provides a cooling system based on liquid cooling technology in a monolithic liquid crystal projector, referring to fig. 1, the structure includes:
The LED liquid crystal projector comprises a single-chip liquid crystal projector body, wherein an LED lamp panel 13, a liquid crystal display screen 14 and a lens 15 are arranged on the projector body, and an LED lamp panel radiating component for radiating the LED lamp panel 13 is arranged on a substrate of the LED lamp panel 13.
Specifically, the LED lamp panel heat dissipation assembly comprises a second water pump 8, a fourth liquid cooling pipe 9, a second cold row 12 and a fifth liquid cooling pipe 10, wherein a water outlet of the second water pump 8 is connected with the fourth liquid cooling pipe 9, the fourth liquid cooling pipe 9 is connected with a water inlet of the second cold row 12, a water outlet of the second cold row 12 is connected with the fifth liquid cooling pipe 10, and the fifth liquid cooling pipe 10 is connected with a water inlet of the second water pump 8.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology in this embodiment, the LED lamp panel heat dissipation group further includes a second heat dissipation fan 11, the second heat dissipation fan 11 is disposed closely to the second cold row 12, and the first heat dissipation fan 11 adopts a low-rotation-speed mute fan.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology of the present embodiment, a heat-conducting silicone grease for transferring heat is disposed between the LED lamp panel 13 and the heat-conducting surface of the second water pump 8.
Referring to fig. 2, during actual operation, the LED lamp panel 13 is connected to the heat conducting surface of the second water pump 8 through heat-conducting silicone grease, the heat of the LED lamp panel drives the liquid to flow through the second water pump 8 to be brought into the fourth liquid cooling pipe 9, the heat is brought into the second cold row 12 through the fourth liquid cooling pipe 9, the second cold row 12 dissipates the heat through the second cooling fan 11, the liquid cooled by the heat dissipation treatment flows back into the second water pump 8 through the fifth liquid cooling pipe 10, the internal liquid flows through the second water pump 8→the heating device of the LED lamp panel 13→the fourth liquid cooling pipe 9→the second cold row 12→the fifth liquid cooling pipe 10→the second water pump 8 to form a circulation process, and therefore the purpose of rapid heat dissipation is achieved.
The heat dissipation system based on the liquid cooling technology for the monolithic liquid crystal projector further comprises a liquid crystal heat dissipation assembly, referring to fig. 1, the liquid crystal heat dissipation assembly comprises a first liquid cooling pipe 1, a first water pump 2, a first cold row 4, a second liquid cooling pipe 6, a third liquid cooling pipe 7 and a third water pump 16, a water outlet of the first water pump 2 is connected with the first liquid cooling pipe 1, a water inlet of the third water pump 16 is connected with the first liquid cooling pipe 1, a water outlet of the third water pump 16 is connected with the third liquid cooling pipe 7, the third liquid cooling pipe 7 is connected with a water inlet of the first cold row 4, a water outlet of the first cold row 4 is connected with the second liquid cooling pipe 6, and the second liquid cooling pipe 6 is connected with a water inlet of the first water pump 2.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology of the present embodiment, the liquid crystal heat dissipation assembly further includes a metal liquid crystal heat sink 3, and the metal liquid crystal heat sink 3 is disposed between the liquid crystal display 14 and the heat conducting surfaces of the first water pump 2 and the third water pump 16.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology of this embodiment, heat conduction silicone grease is also disposed between the heat conduction surfaces of the first water pump 2 and the third water pump 16 and the metal liquid crystal radiator 3.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology in this embodiment, the liquid crystal heat dissipation assembly further includes a first heat dissipation fan 5, the first heat dissipation fan 5 is disposed closely to the first cold row 4, and the second heat dissipation fan 11 also adopts a low rotation speed mute fan.
Referring to fig. 3, during actual operation, heat generated by the liquid crystal display screen is conducted to a heat conducting surface of the first water pump 2 through silicone grease by the metal liquid crystal radiator, the heat is brought into the first liquid cooling pipe 1 through the water pump, the first liquid cooling pipe 1 is brought into the third water pump 16 through the liquid flow, the third water pump 16 continues to enable the liquid to flow, meanwhile, heat at the other end of the metal liquid crystal radiator is taken away, the heat is injected into the third liquid cooling pipe 7 together, the third liquid cooling pipe 7 brings the heat into the first cold drain 4 through the liquid flow, the cold drain dissipates the heat through the first heat dissipating fan 5, the liquid cooled by the first cold drain 4 is returned into the first water pump 2 through the second liquid cooling pipe 6, the internal liquid flows into the first water pump 2 through the first liquid cooling pipe 1, the third water pump 16, the third liquid cooling pipe 7, the first cold drain 4, the second liquid cooling pipe 6 and the first water pump 2 form a circulation process.
Preferably, in the heat dissipation system of the monolithic liquid crystal projector based on the liquid cooling technology in this embodiment, the first liquid cooling tube 1, the second liquid cooling tube 6, the third liquid cooling tube 7, the fourth liquid cooling tube 9 and the fifth liquid cooling tube 10 all adopt polyurethane heat preservation liquid cooling tubes with good heat preservation function, so that excessive heat is prevented from being dissipated into the body of the projector, and normal operation of the projector is affected.
With the above-described preferred embodiments according to the present application as a teaching, the worker skilled in the art could make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.
Claims (8)
1. A cooling system for a monolithic liquid crystal projector based on a liquid cooling technique, comprising:
The LED projector comprises a single-chip liquid crystal projector body, wherein an LED lamp panel (13), a liquid crystal display screen (14) and a lens (15) are arranged on the projector body, and an LED lamp panel radiating assembly for radiating the LED lamp panel (13) is arranged on a substrate of the LED lamp panel (13);
The LED lamp panel heat dissipation assembly comprises a second water pump (8), a fourth liquid cooling pipe (9), a second cold row (12) and a fifth liquid cooling pipe (10), wherein a water outlet of the second water pump (8) is connected with the fourth liquid cooling pipe (9), the fourth liquid cooling pipe (9) is connected with a water inlet of the second cold row (12), a water outlet of the second cold row (12) is connected with the fifth liquid cooling pipe (10), and the fifth liquid cooling pipe (10) is connected with a water inlet of the second water pump (8);
Still include liquid crystal cooling module, liquid crystal cooling module includes first liquid-cooled tube (1), first water pump (2), first cold row (4), second liquid-cooled tube (6), third liquid-cooled tube (7) and third water pump (16), the delivery port of first water pump (2) is connected with first liquid-cooled tube (1), third water pump (16) water inlet is connected with first liquid-cooled tube (1), third water pump (16) delivery port is connected with third liquid-cooled tube (7), third liquid-cooled tube (7) are connected with first cold row (4) water inlet, first cold row (4) delivery port is connected with second liquid-cooled tube (6), second liquid-cooled tube (6) are connected with first water pump (2) water inlet.
2. The cooling system of a monolithic liquid crystal projector according to claim 1, wherein the LED lamp panel cooling group further comprises a second cooling fan (11), and the second cooling fan (11) is closely attached to the second cold row (12).
3. The heat dissipation system based on the liquid cooling technology for the monolithic liquid crystal projector according to claim 2, wherein a heat conduction silicone grease for transferring heat is arranged between the LED lamp panel (13) and the heat conduction surface of the second water pump (8).
4. A cooling system for a monolithic liquid crystal projector according to claim 2 or 3, wherein the liquid crystal cooling assembly further comprises a metal liquid crystal radiator (3), and the metal liquid crystal radiator (3) is disposed between the liquid crystal display (14) and the heat conducting surfaces of the first water pump (2) and the third water pump (16).
5. The cooling system based on the liquid cooling technology for the monolithic liquid crystal projector according to claim 4, wherein heat conduction silicone grease is also arranged between the heat conduction surfaces of the first water pump (2) and the third water pump (16) and the metal liquid crystal radiator (3).
6. The cooling system of a monolithic liquid crystal projector according to claim 5, wherein the liquid crystal cooling assembly further comprises a first cooling fan (5), and the first cooling fan (5) is closely attached to the first cold row (4).
7. The heat dissipation system based on the liquid cooling technology for the monolithic liquid crystal projector according to claim 1, wherein the first liquid cooling pipe (1), the second liquid cooling pipe (6), the third liquid cooling pipe (7), the fourth liquid cooling pipe (9) and the fifth liquid cooling pipe (10) are all polyurethane heat preservation liquid cooling pipes.
8. The cooling system for a monolithic liquid crystal projector according to claim 6, wherein the first cooling fan (5) and the second cooling fan (11) are low-rotation-speed silent fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322629541.8U CN221008078U (en) | 2023-09-27 | 2023-09-27 | Cooling system based on liquid cooling technology in monolithic liquid crystal projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322629541.8U CN221008078U (en) | 2023-09-27 | 2023-09-27 | Cooling system based on liquid cooling technology in monolithic liquid crystal projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221008078U true CN221008078U (en) | 2024-05-24 |
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ID=91086522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322629541.8U Active CN221008078U (en) | 2023-09-27 | 2023-09-27 | Cooling system based on liquid cooling technology in monolithic liquid crystal projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221008078U (en) |
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2023
- 2023-09-27 CN CN202322629541.8U patent/CN221008078U/en active Active
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