CN217386117U

CN217386117U - Phase-change water-cooling heat dissipation device without water pump

Info

Publication number: CN217386117U
Application number: CN202220772469.7U
Authority: CN
Inventors: 朱文君; 陆航; 岳德举; 徐厚正; 张悦慈; 李衡
Original assignee: Guangdong Lianda Photoelectricity Co ltd
Current assignee: Guangdong Lianda Photoelectricity Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-09-06
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a phase transition water-cooling heat abstractor who need not water pump, including the laser instrument, the back connection of laser instrument has water cooling plant, water cooling plant connects heat abstractor, water cooling plant includes water-cooling head and capillary copper pipe, the upper end at the water-cooling head is connected to the head end of capillary copper pipe, the trailing end connection of capillary copper pipe is at the lower extreme of water-cooling head, be equipped with the intercommunication in the water-cooling head the head end of capillary copper pipe and the cavity of tail end, the up end of water-cooling head still is connected with and is used for water injection or evacuation's pipeline, the capillary copper pipe is installed heat abstractor is last. The utility model discloses an external heat abstractor reduces laser light source's temperature, is applicable to the laser projector of various sizes, specification and power, can reduce the design cost of projector.

Description

Phase-change water-cooling heat dissipation device without water pump

Technical Field

The utility model relates to a laser projector's heat dissipation technical field, concretely relates to phase transition water-cooling heat abstractor who need not the water pump.

Background

In recent years, with the development of electronic products, chips, LED/laser light sources, and the like are more and more regarded as important, and particularly, projectors have been widely used in the fields of home, education, office, and the like, wherein laser projectors are more widely used because of the advantages of brightness, lifetime, and color gamut. With the development of DLP projection technology, the requirements for performance mainly including brightness, contrast, color, dark image light leakage, etc. are increasing.

The laser light source is a high-directivity solid-state light source, the working temperature is 0-70 ℃, the service life of the light source is accelerated and attenuated when the working temperature is beyond the temperature range, and a laser emitter of the laser projector is a main heat source body, so a heat dissipation device needs to be arranged on the laser emitter. However, the existing laser projectors have various shapes, sizes, specifications and powers, and are often limited by the positions of components of the internal structure, so that sufficient space positions cannot be obtained for installing the heat dissipation device, and different heat dissipation modules need to be designed for different projector structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a reduce laser light source's temperature and need not the phase transition water-cooling heat abstractor of water pump through external device.

The utility model discloses a realize through following technical scheme:

the utility model provides a phase transition water-cooling heat abstractor who need not water pump, includes the laser instrument, the back connection of laser instrument has water cooling plant, water cooling plant connects heat abstractor, water cooling plant includes water-cooling head and capillary copper pipe, the upper end at the water-cooling head is connected to the head end of capillary copper pipe, the trailing end connection of capillary copper pipe is at the lower extreme of water-cooling head, be equipped with the intercommunication in the water-cooling head the cavity of head end and the tail end of capillary copper pipe, the up end of water-cooling head still is connected with the pipeline that is used for water injection or evacuation, the capillary copper pipe is installed heat abstractor is last.

The phase change water-cooling heat dissipation device without the water pump further comprises a fixing plate, the fixing plate is installed on the heat dissipation device, and a through hole used for installing the capillary copper pipe is formed between the heat dissipation device and the fixing plate.

The phase change water cooling heat dissipation device without the water pump is characterized in that the pipeline is provided with the stop valve.

The phase change water-cooling heat dissipation device without the water pump is higher than the water-cooling head.

The phase change water-cooling heat dissipation device without the water pump comprises the heat dissipation fins.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses a water-cooling heat abstractor reduces laser light source's temperature through external heat abstractor, is applicable to the laser projector of various sizes, specification and power, can reduce the design cost of projector.

2. The utility model discloses a water-cooling heat abstractor need not the water pump, evaporates into the gaseous phase with working fluid through capillary copper pipe and conveys the gaseous phase to heat radiation fins by capillary copper pipe, condenses into the liquid phase with working fluid after heat radiation fins cools off, flows back to the water-cooling head in the influence of gravity condition by capillary copper pipe again after the condensation and realizes the circulation heat dissipation.

3. The utility model discloses a phase transition water-cooling heat abstractor who need not water pump adopts water-cooling circulation heat dissipation, and heat transfer power is higher, then reduces to the space requirement, has still reduced the noise of product by a wide margin.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a perspective view of a phase change water-cooling heat dissipation device without a water pump according to the present invention;

fig. 2 is an exploded view of the phase change water-cooling heat dissipation device of the present invention without a water pump;

fig. 3 is a front view of the phase change water-cooling heat dissipation device without a water pump.

Detailed Description

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

as shown in fig. 1 to 3, a phase change water-cooling heat dissipation device without a water pump comprises a laser 1, wherein the back of the laser 1 is connected with a water cooling device 2, the water cooling device 2 is connected with a heat dissipation device 3, the temperature of a laser light source is reduced through an external heat dissipation device 3, the phase change water-cooling heat dissipation device is suitable for laser projectors of various sizes, specifications and powers, and the design cost of the projectors can be reduced. The water cooling device 2 comprises a water cooling head 21 and a capillary copper pipe 22, the head end of the capillary copper pipe 22 is connected to the upper end of the water cooling head 21, the tail end of the capillary copper pipe 22 is connected to the lower end of the water cooling head 21, a cavity 211 which is communicated with the head end and the tail end of the capillary copper pipe 22 is arranged in the water cooling head 21, the upper end face of the water cooling head 21 is further connected with a pipeline 23 used for water injection or vacuum pumping, and the capillary copper pipe 22 is installed on the heat dissipation device 3.

The water cooling device 2 further comprises a fixing plate 4, the fixing plate 4 is installed on the heat dissipation device 3, and a through hole 31 for installing the capillary copper tube 22 is formed between the heat dissipation device 3 and the fixing plate 4.

The pipe 23 is provided with a shut-off valve 24, and the pipe 23 is sealed by the shut-off valve 24 after the working fluid is re-injected into the air evacuated through the pipe 23.

The heat dissipation device 3 is higher than the water-cooled head 21, so that the lower end of the capillary copper tube 22 at the heat dissipation device 3 is higher than the flow-back port at the lower end of the water-cooled head 21, and liquid phase fluid in the capillary copper tube 22 directly flows back to the water-cooled head 21 under the action of gravity.

The heat dissipation device 3 includes heat dissipation fins, and a user can adjust the structure of the heat dissipation fins according to actual requirements to adjust the magnitude of heat dissipation power consumption.

When the projector works, the laser 1 generates high heat, the heat is transferred to the water cooling head 21 and then transferred to the capillary copper tube 22, the working fluid is evaporated into gas phase through the capillary copper tube 22, the gas phase is transferred to the heat dissipation fins through the capillary copper tube 22, the gas phase is condensed into liquid phase after being cooled by the heat dissipation fins, the condensed gas phase flows back to the water cooling head 2 through the capillary copper tube 22 under the influence of gravity conditions, repeated circulation action is formed, and heat absorption-release circulation is completed to achieve the heat transfer effect.

Claims

1. The utility model provides a phase transition water-cooling heat abstractor that need not water pump, its characterized in that includes laser instrument (1), the back connection of laser instrument (1) has water cooling plant (2), heat abstractor (3) are connected in water cooling plant (2), water cooling plant (2) include water-cooling head (21) and capillary copper pipe (22), the upper end at water-cooling head (21) is connected to the head end of capillary copper pipe (22), the trailing end connection of capillary copper pipe (22) is at the lower extreme of water-cooling head (21), be equipped with the intercommunication in water-cooling head (21) the cavity (211) of the head end and the tail end of capillary copper pipe (22), the up end of water-cooling head (21) still is connected with pipeline (23) that are used for water injection or evacuation, install capillary copper pipe (22) on heat abstractor (3).

2. The phase-change water-cooling heat dissipation device without the water pump as recited in claim 1, wherein the water-cooling device (2) further comprises a fixing plate (4), the fixing plate (4) is installed on the heat dissipation device (3), and a through hole (31) for installing the capillary copper tube (22) is formed between the heat dissipation device (3) and the fixing plate (4).

3. The phase-change water-cooled heat sink device without the water pump as claimed in claim 2, wherein the pipeline (23) is provided with a stop valve (24).

4. The phase-change water-cooled heat sink without a water pump as claimed in claim 3, wherein the position of the heat sink (3) is higher than the position of the water cooling head (21).

5. The phase-change water-cooling heat sink without a water pump according to claim 2, wherein the heat sink (3) comprises heat dissipating fins.