CN211826874U

CN211826874U - Projector cooling system

Info

Publication number: CN211826874U
Application number: CN202020394819.1U
Authority: CN
Inventors: 张金良
Original assignee: Everest Technology Ltd
Current assignee: Everest Technology Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-30
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a projector heat dissipation system, which comprises a water-cooling heat dissipation unit and an air-cooling heat dissipation unit; the water-cooling heat dissipation unit and the air-cooling heat dissipation unit are both arranged in the shell of the projector, and the water-cooling heat dissipation unit and the air-cooling heat dissipation unit are combined to conduct water-cooling and air-cooling heat dissipation on each electronic element inside the projector. The utility model provides a pair of projector cooling system combines together water cooling technique and air-cooled technique and applies the projector in, can realize quick, thorough, the high-efficient heat dissipation of projector, guarantees the operation security of projector to and the life of extension projector.

Description

Projector cooling system

Technical Field

The utility model belongs to the technical field of the projector heat dissipation, especially, relate to a projector cooling system.

Background

The DMD chip is a core component of the projector, which is liable to generate heat during operation, and therefore, needs to be subjected to heat dissipation treatment; in addition, other parts in the shell of the projector also need to be radiated, so that the safety of the working operation of the projector is ensured, and the service life is prolonged. The heat dissipation of current projector mostly adopts single air-cooled heat dissipation or single water-cooling heat dissipation, but does not combine together air-cooled technique and water-cooling technique and dispel the heat to the projector, leads to the radiating efficiency low, greatly reduced the safety in utilization and the life of projector.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a projector cooling system combines together water-cooling technique and air-cooled technique and applies the projector in, can realize quick, thorough, the high-efficient heat dissipation of projector, guarantees the operation security of projector to and the life of extension projector.

The technical scheme is as follows: in order to achieve the above object, the present invention provides a heat dissipation system for a projector, which includes a water cooling unit and an air cooling unit; the water-cooling heat dissipation unit and the air-cooling heat dissipation unit are both arranged in the shell of the projector, and the water-cooling heat dissipation unit and the air-cooling heat dissipation unit are combined for carrying out water-cooling and air-cooling heat dissipation on each electronic element inside the projector.

Further, the water-cooling heat dissipation unit comprises a cooling liquid circulation box, a liquid inlet pipe, a cooling liquid distributor, a water-cooling plate, a cooling liquid concentrator, a liquid return pipe and an electric pump; the DMD chip of the projector is arranged on the water cooling plate; the cooling liquid circulation box, the liquid inlet pipe, the cooling liquid distributor, the water cooling plate, the cooling liquid concentrator and the liquid return pipe are sequentially connected to form a complete water cooling circulation loop; the electric pump is arranged on the liquid inlet pipe and used for providing cooling liquid diversion circulation power.

Furthermore, a plurality of copper pipes arranged side by side are arranged on the surface of the water cooling plate opposite to the DMD chip in a laminating manner, and the copper pipes are embedded in through grooves which are formed in the surface of the water cooling plate and matched with the copper pipes; the cooling liquid distributor is communicated with the cooling liquid concentrator through a copper pipe.

Further, the water-cooling heat dissipation unit also comprises a fan, wherein the blowing direction of the fan faces the cooling liquid circulation box so as to cool the cooling liquid flowing back into the cooling liquid circulation box.

Further, the cooling liquid distributor and the cooling liquid concentrator are both of hollow box structures.

Further, the air-cooling heat dissipation unit comprises a partition plate, a convection air blowing fan set and a rear end air outlet fan;

the partition plate is arranged in the middle of the interior of the shell of the projector and divides the interior space of the shell into two cavities which are symmetrical relative to the partition plate;

the opposite-blowing fan groups correspond to the cavities one by one and comprise front end air inlet fans arranged at the front end of the shell and rear end air inlet fans arranged at the rear end of the shell, and the front end air inlet fans and the rear end air inlet fans are arranged in opposite-blowing postures facing the cavities; the front end air inlet fan and the rear end air inlet fan are blown oppositely and impact at the middle position of the cavity to form a spiral air vortex;

the rear end air outlet fan is arranged in the middle of the rear end of the shell and used for exhausting hot air in the shell.

Has the advantages that: the utility model discloses a projector cooling system, beneficial effect as follows:

1) the utility model combines the water cooling technology and the air cooling technology to be applied to the projector, which can realize the quick, thorough and high-efficiency heat dissipation of the projector, ensure the operation safety of the projector and prolong the service life of the projector;

2) the utility model discloses a cooling system applies in the projector structure comparatively simple, and input low cost is suitable for the scale and promotes.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a water-cooling heat dissipation unit;

fig. 3 is a schematic structural diagram of an air-cooled heat dissipation unit.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a projector heat dissipation system includes a water cooling heat dissipation unit 1 and an air cooling heat dissipation unit 2; the water-cooling heat dissipation unit 1 and the air-cooling heat dissipation unit 2 are both arranged in the shell 31 of the projector 3, and the water-cooling heat dissipation unit 1 and the air-cooling heat dissipation unit 2 are combined to carry out water-cooling and air-cooling heat dissipation on each electronic element inside the projector 3. The utility model discloses combine together water-cooling technique and forced air cooling technique and apply to projector 3, can realize quick, thorough, the high-efficient heat dissipation of projector 3, guarantee projector 3's operational safety to and extension projector 3's life

As shown in fig. 2, the water-cooled heat dissipation unit 1 includes a cooling liquid circulation box 11, a liquid inlet pipe 12, a cooling liquid distributor 13, a water-cooled plate 14, a cooling liquid concentrator 15, a liquid return pipe 16, and an electric pump 17; the DMD chip 32 of the projector 3 is mounted on the water-cooling plate 14; the cooling liquid circulation box 11, the liquid inlet pipe 12, the cooling liquid distributor 13, the water cooling plate 14, the cooling liquid concentrator 15 and the liquid return pipe 16 are sequentially connected to form a complete water cooling circulation loop; the electric pump 17 is installed on the liquid inlet pipe 12 and used for providing cooling liquid diversion circulation power. The water-cooling heat dissipation unit 1 mainly dissipates heat to the DMD chip 32, avoids overhigh power consumption or limited functions caused by overheating of the DMD chip 32, and prolongs the service life of the DMD chip.

More specifically, a plurality of copper pipes 18 arranged side by side are attached to the surface of the water cooling plate 14 opposite to the DMD chip 32, and the copper pipes 18 are embedded in through grooves formed in the surface of the water cooling plate 14 and matched with the copper pipes 18; the coolant distributor 13 communicates with the coolant concentrator 15 via a copper tube 18. The copper pipe 18 has good thermal conductivity, ensures the high-speed stable operation of the DMD chip 32, and prolongs the service life of the projector 3.

It should be noted that the water-cooled heat dissipation unit 1 further includes a fan 19, and an air blowing direction of the fan 19 faces the cooling liquid circulation box 11 to cool the cooling liquid flowing back into the cooling liquid circulation box 11, so as to improve the heat dissipation effect.

Preferably, the coolant distributor 13 and the coolant concentrator 15 are both hollow box structures. Simple structure and low cost.

As shown in fig. 3, the air-cooled heat dissipation unit 2 includes a partition 20, a convection fan set 21 and a rear end air outlet fan 22; the partition board 20 is arranged in the middle position inside the casing 31 of the projector 3, and divides the inner space of the casing 31 into two cavities 30 which are symmetrical about the partition board 20; the opposite blowing fan sets 21 are in one-to-one correspondence with the cavity 30, and include front end air intake fans 211 mounted at the front end of the machine shell 31 and rear end air intake fans 212 mounted at the rear end of the machine shell 31, and the front end air intake fans 211 and the rear end air intake fans 212 are arranged in an opposite blowing posture facing the inside of the cavity 30; the front end air inlet fan 211 and the rear end air inlet fan 212 blow oppositely and collide with each other at the middle position of the cavity 30 to form a spiral air vortex 2a, so that the inside of the casing 31 can be more uniformly cooled, and the heat dissipation efficiency is greatly improved.

The rear end air outlet fan 22 is installed at a middle position of the rear end of the cabinet 31, and is configured to discharge hot air in the cabinet 31.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A projector cooling system is characterized in that: comprises a water-cooling heat dissipation unit (1) and an air-cooling heat dissipation unit (2); the projector is characterized in that the water-cooling heat dissipation unit (1) and the air-cooling heat dissipation unit (2) are arranged in a shell (31) of the projector (3), and the water-cooling heat dissipation unit (1) and the air-cooling heat dissipation unit (2) are combined to be used for carrying out water-cooling and air-cooling heat dissipation on each electronic element inside the projector (3).

2. The heat dissipation system of claim 1, wherein: the water-cooling heat dissipation unit (1) comprises a cooling liquid circulation box (11), a liquid inlet pipe (12), a cooling liquid distributor (13), a water-cooling plate (14), a cooling liquid concentrator (15), a liquid return pipe (16) and an electric pump (17); the DMD chip (32) of the projector (3) is arranged on the water cooling plate (14); the cooling liquid circulation box (11), the liquid inlet pipe (12), the cooling liquid distributor (13), the water cooling plate (14), the cooling liquid concentrator (15) and the liquid return pipe (16) are sequentially connected to form a complete water cooling circulation loop; and the electric pump (17) is arranged on the liquid inlet pipe (12) and is used for providing cooling liquid diversion circulation power.

3. The heat dissipation system of claim 2, wherein: the surface of the water cooling plate (14) opposite to the DMD chip (32) is provided with a plurality of copper pipes (18) which are arranged side by side in an attaching mode, and the copper pipes (18) are embedded in through grooves which are formed in the surface of the water cooling plate (14) and matched with the copper pipes (18); the cooling liquid distributor (13) is communicated with the cooling liquid concentrator (15) through a copper pipe (18).

4. The heat dissipation system of claim 2, wherein: the water-cooling heat dissipation unit (1) further comprises a fan (19), wherein the blowing direction of the fan (19) faces the cooling liquid circulation box (11) so as to cool the cooling liquid flowing back into the cooling liquid circulation box (11).

5. The heat dissipation system of claim 3, wherein: the cooling liquid distributor (13) and the cooling liquid concentrator (15) are both of hollow box structures.

6. The heat dissipation system of claim 1, wherein: the air-cooled heat dissipation unit (2) comprises a partition plate (20), a convection air blowing fan set (21) and a rear end air outlet fan (22);

the partition plate (20) is arranged in the middle of the interior of the shell (31) of the projector (3) and divides the interior space of the shell (31) into two cavities (30) which are symmetrical relative to the partition plate (20);

the opposite-blowing fan sets (21) are in one-to-one correspondence with the cavities (30) and comprise front end air inlet fans (211) arranged at the front ends of the machine shells (31) and rear end air inlet fans (212) arranged at the rear ends of the machine shells (31), and the front end air inlet fans (211) and the rear end air inlet fans (212) are arranged in opposite-blowing postures towards the interiors of the cavities (30); the front end air inlet fan (211) and the rear end air inlet fan (212) blow oppositely and impact at the middle position of the cavity (30) to form a spiral air vortex (2 a);

the rear end air outlet fan (22) is arranged in the middle of the rear end of the machine shell (31) and used for discharging hot air in the machine shell (31).