CN215729248U - Heat pipe radiating structure for projector - Google Patents

Heat pipe radiating structure for projector Download PDF

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Publication number
CN215729248U
CN215729248U CN202121390788.3U CN202121390788U CN215729248U CN 215729248 U CN215729248 U CN 215729248U CN 202121390788 U CN202121390788 U CN 202121390788U CN 215729248 U CN215729248 U CN 215729248U
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heat
pipe
projector
heat source
radiator
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CN202121390788.3U
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卢迎辉
吴剑
陈锐
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Shanghai Xinlong Photoelectric Technology Co ltd
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Shanghai Xinlong Photoelectric Technology Co ltd
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Abstract

The utility model discloses a heat pipe heat dissipation structure for a projector, which comprises a heat source radiator, a first heat conduction pipe, a second heat conduction pipe, a cold exhaust system and a water pump circulation system, wherein the heat source radiator is matched with a heat source in the projector, a refrigerant liquid outlet end of the heat source radiator is communicated with the first heat conduction pipe for guiding out gasified refrigerant liquid, the free end of the first heat conduction pipe is communicated with an inlet end of the cold exhaust system for cooling and liquefying the gasified refrigerant liquid, an outlet end of the cold exhaust system is communicated with the second heat conduction pipe, the water pump circulation system is arranged on the second heat conduction pipe, and the free end of the second heat conduction pipe is communicated with the refrigerant liquid inlet end of the heat source radiator. The heat dissipation structure has an excellent circulating heat dissipation effect and high heat dissipation efficiency, reduces the operation burden of the projector, and prolongs the service life of the projector.

Description

Heat pipe radiating structure for projector
Technical Field
The utility model relates to the technical field of projector radiating assemblies, in particular to a heat pipe radiating structure for a projector.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes.
The core part of the projector is a light source and a DMD chip, and is also a main heat source of the projector, the temperature generated by the core part after long-time working is close to 200 ℃, other electronic components and optical accessories in the projector can be greatly influenced (if optical lens imaging is caused to generate phase difference, and the electronic components are attenuated and aged in service life), therefore, an air-cooled heat dissipation assembly (such as a fan) is generally adopted to conduct air exhaust and heat dissipation on heat generated during the internal working of the projector, but the projector is used in a higher temperature environment or for a long time, the heat dissipation performance is insufficient, the projection effect is influenced, or even internal components of the projector can be damaged, and the service life of the projector is greatly shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the present invention provides a heat pipe heat dissipation structure for a projector, which has an excellent circulation heat dissipation effect and a high heat dissipation efficiency, reduces the operation burden of the projector, and prolongs the service life of the projector.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a heat pipe heat dissipation structure for a projector, which comprises a heat source radiator, a first heat conduction pipe, a second heat conduction pipe, a cold exhaust system and a water pump circulation system, wherein the heat source radiator is installed in cooperation with a heat source in the projector, the heat source in the projector generally refers to a DMD chip heat source and a light source heat source, a refrigerant liquid outlet end of the heat source radiator is communicated with the first heat conduction pipe used for guiding out gasified refrigerant liquid, the free end of the first heat conduction pipe is communicated with an inlet end of the cold exhaust system used for cooling and liquefying the gasified refrigerant liquid, the outlet end of the cold exhaust system is communicated with the second heat conduction pipe, the water pump circulation system is arranged on the second heat conduction pipe, and the free end of the second heat conduction pipe is communicated with the refrigerant liquid inlet end of the heat source radiator.
In a further improvement, the water pump circulating system comprises a water pump and a water cooling plate which are communicated with each other and arranged on the second heat conduction pipe.
The liquid refrigerant obtained after being cooled by the cold discharging system is guided into the heat source radiator through the second heat conduction pipe by the water pump to circulate, and the temperature of the liquid refrigerant obtained after being cooled by the cold discharging system is still higher, so that the cooling effect is poorer if the liquid refrigerant is directly introduced into the heat source radiator, and therefore, the liquid refrigerant obtained after being cooled by the cold discharging system can be further cooled by the water cooling plate, and the using effect of the refrigerant circularly entering the heat source radiator is ensured.
The further improvement is that a heat pipe radiator is arranged on the second heat conduction pipe between the water pump circulation system and the heat source radiator.
The temperature of the liquid refrigerant inside the second heat conduction pipe can be further reduced by arranging the heat conduction pipe radiator, the heat radiation effect and the heat radiation efficiency of the heat source radiator to a heat source are further ensured, the ambient temperature of the heat source is reduced to the temperature range capable of working normally, and the heat conduction pipe radiator can select common components with the heat exchange function in the prior art.
The further improvement lies in that the heat source radiator, the water pump circulating system, the cold exhaust system and the outer sides of the heat pipe radiators are respectively provided with a quick-release joint used for being connected with and installed on the first heat pipe or the second heat pipe.
Through setting up, can make things convenient for quick install or dismantle first heat pipe and second heat pipe and each subassembly, conveniently maintain or change each subassembly and heat pipe.
In a further improvement, the first heat transfer pipe and the second heat transfer pipe are made of copper.
Copper has high heat conductivility, is convenient for with the inside refrigerating fluid and the external environment heat transfer that flow through of first heat pipe and second heat pipe, realizes the cooling to the refrigerating fluid.
The further improvement is that a heat radiation fan for internal air exhaust is arranged in the cold exhaust system.
The cooling fan is installed to accelerate the air exhaust in the cold air exhaust system, and the gasified refrigerant liquid entering the cold air exhaust system can be cooled to form liquid refrigerant liquid.
The improvement is that the heat source radiator is fixedly arranged on the side surface of the heat source in the projector, a radiating fin is arranged in the heat source radiator, and one end of the radiating fin extends out of the heat source radiator and is in contact with the heat source in the projector.
The heat generated by the heat source is conducted into the heat source radiator through the radiating fins, and exchanges heat with the refrigerant in the heat source radiator, so that the effect of quickly cooling and radiating the heat source is achieved.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, through the matching of the heat source radiator, the first heat conduction pipe, the cold exhaust system, the second heat conduction pipe and the water pump circulating system, heat generated when the heat source works can be guided into the heat source radiator to exchange heat with refrigerating fluid in the heat source radiator, so that the rapid and effective cooling and heat dissipation of the heat source are realized, the refrigerating fluid is heated and gasified, the gasified refrigerating fluid carries heat and is guided into the cold exhaust system by the first heat conduction pipe to exhaust the heat, the gasified refrigerating fluid is changed into liquid refrigerating fluid, and the liquid refrigerating fluid is conveyed into the heat source radiator by the second heat conduction pipe to be recycled under the action of the water pump circulating system, the structure forms an independent circulating heat dissipation system, has excellent circulating heat dissipation effect and high heat dissipation efficiency, so that the ambient temperature of the heat source is reduced to the temperature range capable of working normally, and the operation load of the projector is reduced, the service life of the device is prolonged.
Drawings
The utility model is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic structural diagram of a heat pipe heat dissipation structure according to the present invention;
FIG. 2 is a schematic structural view of a heat pipe heat dissipation structure of the present invention in cooperation with a heat source;
wherein, the specific reference numbers are: the heat source heat radiator comprises a heat source 1, a heat source radiator 2, a first heat conduction pipe 3, a cold exhaust system 4, a cooling fan 5, a second heat conduction pipe 6, a water pump circulation system 7 and a heat conduction pipe radiator 8.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The embodiment of the utility model discloses a heat pipe heat dissipation structure for a projector, as shown in fig. 1 and fig. 2, comprising a heat source radiator 2, a first heat conduction pipe 3, a second heat conduction pipe 6, the heat source radiator 2 is installed in cooperation with a heat source 1 inside the projector, the heat source 1 inside the projector generally refers to a DMD chip heat source and a light source heat source, a refrigerant liquid outlet end of the heat source radiator 2 is communicated with a first heat pipe 3 used for guiding out gasified refrigerant liquid, a free end of the first heat pipe 3 is communicated with an inlet end of a cold exhaust system 4 used for cooling and liquefying the gasified refrigerant liquid, an outlet end of the cold exhaust system 4 is communicated with a second heat pipe 6, the water pump circulation system 7 is arranged on the second heat pipe 6, and a free end of the second heat pipe 6 is communicated with a refrigerant liquid inlet end of the heat source radiator 2. Through the cooperation of the heat source radiator 2, the first heat conduction pipe 3, the cold exhaust system 4, the second heat conduction pipe 6 and the water pump circulation system 7, the heat generated by the heat source 1 during working can be guided into the heat source radiator 2 to exchange heat with the refrigerant liquid in the heat source radiator 2, so that the heat reduction and heat dissipation of the heat source 1 can be rapidly and effectively realized, the refrigerant liquid is heated and gasified, the gasified refrigerant liquid carries the heat and is guided into the cold exhaust system 4 by the first heat conduction pipe 3 to exhaust the heat, the gasified refrigerant liquid is changed into liquid refrigerant liquid, the liquid refrigerant liquid is conveyed into the heat source radiator 2 by the second heat conduction pipe 6 under the action of the water pump circulation system 7 to be recycled, the structure forms an independent circulation heat dissipation system, the heat dissipation effect is excellent, the heat dissipation efficiency is high, the ambient temperature of the heat source 1 is reduced to a temperature range capable of normal working, the operation burden of the projector is reduced, and the service life of the projector is prolonged.
Wherein, the water pump circulation system 7 comprises a water pump and a water cooling plate which are communicated with each other and arranged on the second heat conduction pipe 6. The liquid refrigerant obtained after being cooled by the cold discharging system 4 is guided into the heat source radiator 2 through the second heat conduction pipe 6 by the water pump to circulate, because the temperature of the liquid refrigerant obtained after being cooled by the cold discharging system 4 is still higher, if the liquid refrigerant is directly introduced into the heat source radiator 2, the cooling effect is poorer, therefore, through the arrangement of the water cooling plate, the refrigerant flows through the fluid channel inside the water cooling plate, the liquid refrigerant obtained after being cooled by the cold discharging system 4 can be further cooled, and the using effect of the refrigerant circularly entering the heat source radiator 2 is ensured.
A heat pipe radiator 8 is attached to the second heat pipe 6 located between the water pump cycle 7 and the heat source radiator 2. The temperature of the liquid refrigerant inside the second heat pipe 6 can be further reduced by arranging the heat pipe radiator 8, the heat radiation effect and the heat radiation efficiency of the heat source radiator 2 to the heat source 1 are further ensured, the ambient temperature of the heat source 1 is reduced to the temperature range capable of working normally, and the heat pipe radiator 8 can select a commonly used component with a heat exchange function in the prior art.
Wherein, the outsides of the heat source radiator 2, the water pump circulating system 7, the cold exhaust system 4 and the heat pipe radiator 8 are all provided with quick-release joints used for connecting and installing the first heat pipe 3 or the second heat pipe 6. Through setting up, can make things convenient for quick install or dismantle first heat pipe 3 and second heat pipe 6 and each subassembly, conveniently maintain or change each subassembly and heat pipe.
The material of first heat transfer pipe 3 and second heat transfer pipe 6 is copper. Copper has high heat conductivility, is convenient for with the inside refrigerant liquid and the external environment heat transfer that flow through of first heat pipe 3 and second heat pipe 6, realize the cooling to the refrigerant liquid.
Wherein, a cooling fan 5 for internal air exhaust is installed in the cold air exhaust system 4. Specifically, still install the radiating heat conduction copper pipe of refrigerant fluid circulation after supplying the gasification in the cold-exhaust system 4, heat conduction copper pipe exports the heat that carries in the refrigerant fluid fast, through radiator fan 5 with higher speed the inside air exhaust of cold-exhaust system 4, will derive the heat and discharge cold-exhaust system 4 fast, has realized cooling down the inside gasified refrigerant fluid of heat conduction copper pipe and has cooled off and form liquid refrigerant liquid.
The heat source radiator 2 is fixedly arranged on the side face of the heat source 1 in the projector, the heat radiating fins are arranged in the heat source radiator 2, one ends of the heat radiating fins extend out of the heat source radiator 2 and are in contact with the heat source 1 in the projector, and the heat radiating fins are located in the heat source radiator 2 and one ends of the heat radiating fins are immersed into the refrigerant liquid. Heat generated by the heat source 1 is conducted into the heat source radiator 2 through the radiating fins, and exchanges heat with the refrigerant liquid in the heat source radiator 2, so that the effect of quickly cooling and radiating the heat source 1 is achieved.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.

Claims (8)

1. The utility model provides a heat pipe heat radiation structure for projecting apparatus, its characterized in that, includes heat source radiator, first heat pipe, second heat pipe, cold row system and water pump circulation system, the heat source radiator is installed with the inside heat source cooperation of projecting apparatus, the refrigerant liquid outlet end intercommunication of heat source radiator is equipped with the first heat pipe that is used for deriving the refrigerant liquid after the gasification, first heat pipe free end with be used for cooling liquefaction to the refrigerant liquid after the gasification the entrance point of cold row system is linked together, the exit end intercommunication of cold row system is equipped with the second heat pipe, be equipped with water pump circulation system on the second heat pipe, the free end of second heat pipe with the refrigerant liquid entrance point of heat source radiator is linked together.
2. A heat pipe heat dissipating structure for a projector as claimed in claim 1, wherein the water pump circulation system includes a water pump and a water cooling plate which are provided on the second heat conductive pipe in communication.
3. A heat pipe heat dissipation structure for a projector as defined in claim 1 or 2, wherein a heat pipe radiator is mounted on the second heat conductive pipe between the water pump circulation system and the heat source radiator.
4. A heat pipe heat dissipation structure for a projector as claimed in claim 3, wherein quick release joints are disposed outside the heat source radiator, the water pump circulation system, the cold drain system and the heat pipe radiator for connecting with the first heat pipe or the second heat pipe.
5. A heat pipe heat dissipation structure for a projector as recited in claim 1, wherein the first heat conduction pipe and the second heat conduction pipe are made of copper.
6. A heat pipe heat dissipation structure for a projector as claimed in claim 1, wherein a heat dissipation fan for internal air discharge is installed in the cold row system.
7. A heat pipe heat dissipating structure for a projector as claimed in claim 1, wherein the heat source heat sink is fixedly installed on a side of the heat source inside the projector, and a heat dissipating fin is installed inside the heat source heat sink, and one end of the heat dissipating fin extends out of the heat source heat sink and is in contact with the heat source inside the projector.
8. A heat pipe heat dissipation structure for a projector as claimed in claim 1, wherein the heat source is a DMD chip heat source or a light source heat source.
CN202121390788.3U 2021-06-22 2021-06-22 Heat pipe radiating structure for projector Active CN215729248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121390788.3U CN215729248U (en) 2021-06-22 2021-06-22 Heat pipe radiating structure for projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121390788.3U CN215729248U (en) 2021-06-22 2021-06-22 Heat pipe radiating structure for projector

Publications (1)

Publication Number Publication Date
CN215729248U true CN215729248U (en) 2022-02-01

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Application Number Title Priority Date Filing Date
CN202121390788.3U Active CN215729248U (en) 2021-06-22 2021-06-22 Heat pipe radiating structure for projector

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CN (1) CN215729248U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115509071A (en) * 2021-06-22 2022-12-23 上海芯龙光电科技股份有限公司 A heat pipe cooling structure for a projector
CN116699928A (en) * 2022-02-24 2023-09-05 上海芯龙光电科技股份有限公司 A waterproof liquid cooling heat dissipation system for a projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115509071A (en) * 2021-06-22 2022-12-23 上海芯龙光电科技股份有限公司 A heat pipe cooling structure for a projector
CN116699928A (en) * 2022-02-24 2023-09-05 上海芯龙光电科技股份有限公司 A waterproof liquid cooling heat dissipation system for a projector

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