WO2019095533A1 - Système rayonnant et dispositif de projection - Google Patents

Système rayonnant et dispositif de projection Download PDF

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Publication number
WO2019095533A1
WO2019095533A1 PCT/CN2018/071441 CN2018071441W WO2019095533A1 WO 2019095533 A1 WO2019095533 A1 WO 2019095533A1 CN 2018071441 W CN2018071441 W CN 2018071441W WO 2019095533 A1 WO2019095533 A1 WO 2019095533A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heat dissipation
frame
dissipating
component
Prior art date
Application number
PCT/CN2018/071441
Other languages
English (en)
Chinese (zh)
Inventor
崔彦洲
亓森林
廖志良
杨佳翼
李屹
Original Assignee
深圳光峰科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳光峰科技股份有限公司 filed Critical 深圳光峰科技股份有限公司
Publication of WO2019095533A1 publication Critical patent/WO2019095533A1/fr

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Definitions

  • the utility model relates to the field of mechanical heat dissipation, in particular to a heat dissipation system capable of providing sealing and dustproof and providing constant pressure to a heat generating device and a projection device having the same.
  • the present invention provides a heat sink that provides sealing and dustproofing and provides a constant pressure function for the heat generating device.
  • the utility model provides a new heat dissipation system and a projection device using the same, which solves the problem that the prior art cannot be sealed and cannot provide constant pressure, resulting in low reliability of the product.
  • a technical solution adopted by the present invention is to provide a heat dissipation system including a heat dissipation frame and a heat dissipation component disposed on the heat dissipation frame, wherein the heat dissipation component is fixed on the heat dissipation frame by a first elastic fixing member.
  • the first elastic fixing member is a spring screw, and includes a heat dissipating screw and a heat dissipating spring sleeved on the heat dissipating screw.
  • the heat dissipation component includes a heat dissipation substrate disposed on the heat dissipation frame and heat dissipation fins connected to the heat dissipation substrate, the heat dissipation screw penetrating the heat dissipation substrate and fixing the heat dissipation substrate to the heat dissipation a heat dissipating spring abuts on a side of the heat dissipating substrate away from the heat dissipating frame, and the heat dissipating spring compresses the heat dissipating substrate to compress the first sealing device Achieve sealing.
  • a center of the heat dissipation substrate is provided with a heat dissipation protrusion protruding toward the heat generating component, and the heat dissipation material is provided with a heat conductive material, and the heat conductive material abuts on the heat generating component of the heat generating component.
  • the first sealing device is disposed around the heat dissipation boss.
  • the heat dissipation system further includes a second elastic fixing member and a second sealing device for assembling with the heat generating component, the second elastic fixing member driving the heat dissipation frame to press the second sealing device, The second sealing device is sealed to the heat dissipation system and the heat generating component.
  • the second elastic fixing member is a spring screw, and includes a fixing screw and a fixing spring sleeved on the fixing screw, the fixing screw penetrating the heat dissipation frame and fixing the heat dissipation frame to the heat generating component
  • the heat-dissipating spring abuts on a side of the heat-dissipating frame away from the heat-generating component.
  • the fixing spring compresses the heat-dissipating frame, so that the heat-dissipating frame compresses the first sealing device to achieve sealing.
  • the second sealing device is a gasket disposed around the heat generating component of the heat generating component.
  • Another technical solution adopted by the present invention is to provide a projection apparatus including the heat dissipation system as described above.
  • the heat generating component includes a heat generating component located at a center as a heat source and a supporting component surrounding the heat generating component, the heat radiating frame is fixed on the sealing cavity, and the heat radiating component is provided with a heat generating component a heat dissipation boss protruding in a direction, the heat dissipation boss abutting on the heat generating component.
  • the utility model has the beneficial effects that the heat dissipation system and the projection device having the functions of sealing and dustproof and providing constant pressure for the heat generating device are distinguished from the prior art, and the heat conduction system and the projection device are designed by using the overall structural design of the system. When the material is soaked, it can meet the effect of sealing and dustproof of the device, and the fixing method is simple, which can improve the assembly and productivity of the product.
  • FIG. 1 is a schematic structural view of a heat dissipation system of the present invention
  • FIG. 2 is a schematic structural view of a first elastic fixing member of the present invention.
  • the utility model provides a heat dissipating system capable of providing sealing and dustproofing and providing constant pressure to a heat generating device and a projection device using the same.
  • the whole structural design of the system can realize the heat generating device sealing while realizing the heat conduction of the heat conducting material. Dust-proof effect, simple fixing method and high reliability.
  • the utility model is described by using a projection device as an example of an electronic product, wherein the heat generating component 2 can be a laser, a color wheel, a DMD, a CPU or an LED light emitting chip, etc., specifically including a heat generated as a heat source at the center.
  • the member 202 is a member and a support member 201 that surrounds the heat generating member 202. Wherein the support member 201 can be an optical cavity or other support structure.
  • the heat dissipation system 1 is assembled on the heat generating component 2, and is in contact with the heat generating component 202 to realize heat transfer and divergence.
  • the heat dissipation system 1 includes a heat dissipation frame 11, a heat dissipation assembly 12 disposed on the heat dissipation frame 11, a first elastic fixing member 13, a first sealing device 14, a second elastic fixing member 15, and a second sealing device 16.
  • the first sealing device 14 is for sealing the connection gap between the heat dissipation component and the heat dissipation frame;
  • the second sealing device 16 is for forming a seal between the heat dissipation frame and the heat generating component 2.
  • the first elastic fixing member 13 is for fixing the heat dissipating component 12 to the heat dissipating frame; and the second elastic fixing member 15 is for connecting the heat dissipating system and the heat generating component 2 together.
  • the heat dissipating component 12 includes a heat dissipating substrate 121 and heat dissipating fins 122 , and the heat dissipating substrate 121 is fixed on the heat dissipating frame 11 by the first elastic fixing member 13 .
  • the first sealing device 14 is disposed between the heat dissipation substrate 121 and the heat dissipation frame 11 .
  • the first elastic fixing member 13 is a first spring screw, and includes a heat dissipating screw 131 and a heat dissipating spring 132 sleeved on the heat dissipating screw 131.
  • the heat dissipating screw 131 penetrates the heat dissipating substrate 121 and is screwed into the heat dissipating frame 11 to thereby dissipate the heat dissipating substrate 121.
  • the heat dissipating spring 132 abuts on the side of the heat dissipating substrate 121 away from the heat dissipating frame 11 .
  • the heat dissipating screw 131 is screwed into the heat dissipating frame 11 , and the heat dissipating spring 132 is inserted during the screwing process of the heat dissipating screw 131 .
  • the first sealing device 14 is a gasket. After being subjected to pressure, the gasket is pressed to produce a sealing effect.
  • the heat dissipation system further includes a heat dissipation boss 123 protruding from the center of the heat dissipation substrate 121 toward the heat generating component 2, and the heat dissipation boss 123 abuts on the heat generating component 202 of the heat generating component 2.
  • the heat on the heat generating component 2 is transferred to the heat dissipation substrate 121 through the heat dissipation boss 123, and finally transmitted to the heat dissipation fins 122 to achieve heat dissipation.
  • the heat dissipation boss 123 and the heat dissipation substrate 121 are integrally formed.
  • a heat conductive material 3 is further disposed between the heat dissipation boss 123 and the heat generating component 202, and the heat conductive material is disposed to further promote heat flow and ensure sufficient heat dissipation.
  • the heat dissipation frame 11 is provided with a through hole for accommodating the heat dissipation boss 123.
  • the first sealing device 14 is disposed around the heat dissipation boss 123.
  • the first sealing device 14 is an annular sealing ring surrounding the heat dissipation boss 123. Achieve sealing and dust protection inside the heat dissipation system.
  • the second elastic fixing member 15 is a second spring screw, and includes a fixing screw 151 and a fixing spring 152 sleeved on the fixing screw 151.
  • the fixing screw 151 penetrates the heat dissipation frame 11 and is screwed into the heat generating component to dissipate heat.
  • the system is combined with the heat generating component 2.
  • the fixing spring 152 abuts on the side of the heat dissipating frame 11 which is far away from the heat generating component 2.
  • the fixing screw 151 is screwed in, and the fixing spring 152 is gradually compressed to generate a constant and constant pressure to the heat dissipating frame 11.
  • the heat radiating frame 11 is driven to press the second sealing device 16 to achieve sealing.
  • the second sealing device 16 is a gasket. After being subjected to pressure, the gasket is pressed to produce a sealing effect.
  • the utility model realizes sealing by compressing the corresponding sealing ring by the first elastic fixing member 13 and the second elastic fixing member 15 to generate a constant pressure
  • the structures of the first elastic fixing member 13 and the second elastic fixing member 15 are the same
  • the same structure includes a screw and a spring sleeved on the screw.
  • the first elastic fixing member 13 is taken as an example to illustrate the structure and the principle of generating a constant pressure.
  • the heat-dissipating screw 131 includes a screw head 1311, a screw 1312 and a screw 1313 extending from the screw.
  • the heat-dissipating spring 132 abuts on one side of the screw head 1311, and the screw is inserted into the heat-dissipating frame 11 to provide pressure on the heat-dissipating frame.
  • the thickness of the heat dissipation substrate 11 is Lg
  • the length of the screw 1312 of the heat dissipation screw 131 is Ld
  • the original length of the heat dissipation spring 132 is Ls1
  • the length of the heat dissipation spring 132 after compression is Ls2
  • the pressure F of the four heat dissipation springs at the four corners of the heat dissipation substrate is the constant pressure provided.
  • the utility model has the beneficial effects that the utility model provides a heat dissipation system and a projection device, which utilizes the overall layout of the system, reasonably places the heat dissipation components, reduces the temperature of the system components, and achieves efficient heat dissipation.
  • a good seal is obtained for the heat-generating component, and the product competitiveness is improved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention concerne un système rayonnant et un dispositif de projection, le système rayonnant (1) comprenant un cadre rayonnant (11) et un composant rayonnant (12) situé sur le cadre rayonnant (11). Le composant rayonnant (12) est fixé sur le cadre rayonnant (11) au moyen d'un premier élément de fixation élastique (13) ; un premier dispositif de scellage (14) est disposé entre le composant rayonnant (12) et le cadre rayonnant (11) ; le premier élément de fixation élastique (13) entraîne le composant rayonnant (12) de façon à presser le premier dispositif de scellage (14) de sorte que le premier dispositif de scellage (14) scelle le jeu de connexion entre le composant rayonnant (12) et le cadre rayonnant (11). Grâce à une conception structurelle de système intégré, il est possible non seulement d'obtenir une chaleur uniforme d'un matériau thermoconducteur, mais également de satisfaire aux exigences d'étanchéité et de protection contre la poussière d'un dispositif. Le mode de fixation est simple, et le degré de facilité de l'assemblage et de la production du produit peuvent être augmentés.
PCT/CN2018/071441 2017-11-15 2018-01-04 Système rayonnant et dispositif de projection WO2019095533A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721519676.7U CN207516713U (zh) 2017-11-15 2017-11-15 散热系统及投影设备
CN201721519676.7 2017-11-15

Publications (1)

Publication Number Publication Date
WO2019095533A1 true WO2019095533A1 (fr) 2019-05-23

Family

ID=62538655

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/071441 WO2019095533A1 (fr) 2017-11-15 2018-01-04 Système rayonnant et dispositif de projection

Country Status (2)

Country Link
CN (1) CN207516713U (fr)
WO (1) WO2019095533A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115379700A (zh) * 2021-05-20 2022-11-22 华为技术有限公司 单板、电子设备及制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205093076U (zh) * 2015-11-04 2016-03-16 深圳市光峰光电技术有限公司 一种tec散热组件及投影装置
CN205485240U (zh) * 2015-01-19 2016-08-17 Nec显示器解决方案株式会社 投影仪
CN106168731A (zh) * 2015-05-20 2016-11-30 卡西欧计算机株式会社 电子装置、投影装置以及电子装置的制造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205485240U (zh) * 2015-01-19 2016-08-17 Nec显示器解决方案株式会社 投影仪
CN106168731A (zh) * 2015-05-20 2016-11-30 卡西欧计算机株式会社 电子装置、投影装置以及电子装置的制造方法
CN205093076U (zh) * 2015-11-04 2016-03-16 深圳市光峰光电技术有限公司 一种tec散热组件及投影装置

Also Published As

Publication number Publication date
CN207516713U (zh) 2018-06-19

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