CN107166342B - A radiator for a focusable LED projection lamp - Google Patents

A radiator for a focusable LED projection lamp Download PDF

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Publication number
CN107166342B
CN107166342B CN201710532663.1A CN201710532663A CN107166342B CN 107166342 B CN107166342 B CN 107166342B CN 201710532663 A CN201710532663 A CN 201710532663A CN 107166342 B CN107166342 B CN 107166342B
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heat
liquid
fan
conducting plate
heat dissipation
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CN107166342A (en
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钟永苹
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Shandong Fanxiaoguo Intelligent Manufacturing Industrial Park Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/54—Cooling arrangements using thermoelectric means, e.g. Peltier elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明公开了一种可调焦LED投影灯的散热器，包括导热板，其特征在于：所述的导热板表面上设有环形排布的散热片，在所述散热片之间设有贯穿导热板的散热风机，在所述的导热板的另一侧表面设有冷却液装置，在所述的液体散热装置的下方设有半导体制冷片，所述的半导体制冷片上设有硅脂层，所述的硅脂层连接液体散热装置，所述的液体散热装置与散热风机贯穿导热板一端相连。该可调焦LED投影灯的散热器，通过散热风机的风扇为散热片散热和旋转杆加速液体散热装置的液体流动能快速对LED灯产生的热量进行吸收并进行散热，散热效率高，散热效果好，操作简单，实用性强。

The invention discloses a radiator for an adjustable focus LED projection lamp, comprising a heat-conducting plate. The cooling fan of the heat-conducting plate is provided with a cooling liquid device on the other side surface of the heat-conducting plate, and a semiconductor refrigerating sheet is arranged under the liquid radiating device, and a silicone grease layer is arranged on the semiconductor refrigerating sheet, The silicone grease layer is connected to the liquid heat dissipation device, and the liquid heat dissipation device is connected to one end of the heat dissipation fan through the heat conduction plate. The radiator of the adjustable-focus LED projection lamp uses the fan of the cooling fan to dissipate heat for the heat sink and the rotating rod to accelerate the liquid flow of the liquid cooling device, which can quickly absorb and dissipate the heat generated by the LED lamp. Good, simple operation, strong practicability.

Description

一种可调焦的LED投影灯的散热器A radiator for a focusable LED projection lamp

技术领域technical field

本发明涉及散热器技术领域，具体为一种可调焦LED投影灯的散热器。The invention relates to the technical field of radiators, in particular to a radiator for an adjustable-focus LED projection lamp.

背景技术Background technique

LED灯的基本结构是一块电致发光的半导体材料，置于一个有引线的架子上，然后四周用环氧树脂密封，起到保护内部芯线的作用，在使用较大功率的LED灯通常要用散热器对LED灯进行散热，现有的散热器主要由单独的散热片组成，稍微复杂一点的散热器会通过风扇进行散热，这样的散热器散热方式单一，效果不好，散热效率不高。The basic structure of the LED lamp is a piece of electroluminescent semiconductor material, which is placed on a leaded shelf, and then sealed with epoxy resin around it to protect the inner core wire. Use a radiator to dissipate heat from the LED lights. The existing radiator is mainly composed of separate heat sinks. A slightly more complex radiator will dissipate heat through a fan. Such a radiator has a single heat dissipation method, which is not effective and has low heat dissipation efficiency. .

发明内容SUMMARY OF THE INVENTION

本发明要解决的技术问题是克服现有的缺陷，提供一种可调焦LED投影灯的散热器，散热方式多样，多种散热装置同时进行散热，能快速对LED灯产生的热量进行吸收并进行散热，散热效率高，散热效果好，操作简单，实用性强，可以有效解决背景技术中的问题。The technical problem to be solved by the present invention is to overcome the existing defects and provide a heat sink for an adjustable-focus LED projection lamp, which has various heat dissipation methods, and a variety of heat dissipation devices simultaneously dissipate heat, which can quickly absorb the heat generated by the LED lamp and reduce heat dissipation. For heat dissipation, the heat dissipation efficiency is high, the heat dissipation effect is good, the operation is simple, and the practicability is strong, and the problems in the background technology can be effectively solved.

为实现上述目的，本发明提供如下技术方案：To achieve the above object, the present invention provides the following technical solutions:

一种可调焦的LED投影灯的散热器，包括导热板，其特征在于：所述的导热板表面上设有环形排布的散热片，在多个所述散热片围成的环状散热结构中设有贯穿导热板的散热风机，在所述的导热板的另一侧表面设有液体散热装置，在所述的液体散热装置的下方设有半导体制冷片，所述的半导体制冷片上设有硅脂层，所述的硅脂层连接液体散热装置，所述的液体散热装置与散热风机贯穿导热板的一端相连。A radiator for an adjustable focus LED projection lamp, comprising a heat-conducting plate, characterized in that: the surface of the heat-conducting plate is provided with heat-dissipating fins arranged in a ring shape, and the annular heat-dissipating fins surrounded by a plurality of the heat-dissipating fins are arranged to dissipate heat. The structure is provided with a cooling fan running through the heat-conducting plate, a liquid heat-dissipating device is arranged on the other side surface of the heat-conducting plate, a semiconductor refrigerating sheet is arranged under the liquid heat-dissipating device, and a semiconductor refrigerating sheet is arranged on the There is a silicone grease layer, and the silicone grease layer is connected to the liquid heat dissipation device, and the liquid heat dissipation device is connected to one end of the heat dissipation fan passing through the heat conduction plate.

如上所述的一种可调焦的LED投影灯的散热器，其特征在于所述的散热片上方设有固定板。The above-mentioned radiator for an adjustable focus LED projection lamp is characterized in that a fixing plate is arranged above the radiating fins.

如上所述的一种可调焦的LED投影灯的散热器，其特征在于所述的导热板中心处上设有同时贯穿导热板本体和半导体制冷片、固定板的可上下移动的隔热管，在所述的隔热管的外壁表面套设有线束套筒，所述的线束套筒同时连接导热板、固定板和半导体制冷片。The above-mentioned radiator for an adjustable focus LED projection lamp is characterized in that the center of the heat-conducting plate is provided with a heat-insulating pipe that can move up and down simultaneously through the body of the heat-conducting plate, the semiconductor refrigerating sheet, and the fixing plate. , a wire harness sleeve is sleeved on the outer wall surface of the heat insulation pipe, and the wire harness sleeve is connected to the heat conducting plate, the fixing plate and the semiconductor refrigeration sheet at the same time.

如上所述的一种可调焦的LED投影灯的散热器，其特征在于所述的散热风机，包括有风机基座，所述的风机基座通过自身设有固定环固定在导热板上，在所述的风机基座上方连接设有散热风扇，在所述的风机基座下方连接设有可左右旋转杆的旋转杆，所述的旋转杆外壁上设有旋转叶片。A focus-adjustable LED projection lamp radiator as described above is characterized in that the cooling fan includes a fan base, and the fan base is fixed on the heat-conducting plate by being provided with a fixing ring. A cooling fan is connected above the fan base, a rotating rod that can rotate left and right is connected below the fan base, and a rotating blade is provided on the outer wall of the rotating rod.

如上所述的一种可调焦的LED投影灯的散热器，其特征在于所述的液体散热装置，包括有若干个液体导管，所述的液体导管前方连接设有导热管，所述的导热管套设在散热风机的旋转叶片上同时与硅脂层连接，在所述的液体导管与液体导管之间连接设有分流导管。A focus-adjustable LED projection lamp radiator as described above, characterized in that the liquid cooling device includes a plurality of liquid conduits, and a heat conducting pipe is connected in front of the liquid conduits, and the heat conducting The pipe is sleeved on the rotating blade of the cooling fan and connected with the silicone grease layer, and a shunt pipe is connected between the liquid pipe and the liquid pipe.

进一步，所述导热板两侧外壁上分别设有若干个安装环。Further, several mounting rings are respectively provided on the outer walls on both sides of the heat conducting plate.

与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:

一、本可调焦LED投影灯的散热器，可以提高散热效率，增加LED灯的使用寿命；1. The radiator of the adjustable focus LED projection lamp can improve the heat dissipation efficiency and increase the service life of the LED lamp;

二、通过风扇进行辅助散热，提高散热效率，散热效果好；同时风扇转动带动下发旋转杆转动，从而加速液体导管的液体流动进一步的辅助散热，提高散热效率；2. The auxiliary heat dissipation is carried out by the fan to improve the heat dissipation efficiency and the heat dissipation effect is good; at the same time, the rotation of the fan drives the rotation of the lower rotating rod, thereby accelerating the liquid flow of the liquid conduit to further assist the heat dissipation and improve the heat dissipation efficiency;

三、对整个散热器进行固定，同时便于LED灯的固定安装；整个散热器散热方式多样，多种散热装置同时进行散热，能快速对LED灯产生的热量进行吸收并进行散热，散热效率高，散热效果好，操作简单，实用性强。3. Fix the entire radiator, and at the same time facilitate the fixed installation of the LED lamp; the entire radiator has various heat dissipation methods, and a variety of heat dissipation devices dissipate heat at the same time, which can quickly absorb and dissipate the heat generated by the LED lamp, with high heat dissipation efficiency. The heat dissipation effect is good, the operation is simple, and the practicability is strong.

附图说明Description of drawings

图1为本发明结构示意图；Fig. 1 is the structural representation of the present invention;

图2为本发明部分结构剖面示意图；FIG. 2 is a schematic sectional view of a part of the structure of the present invention;

图3为本发明的散热风机结构示意图；Fig. 3 is a schematic diagram of the structure of the cooling fan of the present invention;

具体实施方式Detailed ways

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

结合图1至图3所述，一种可调焦的LED投影灯的散热器，包括导热板1，其特征在于：所述的导热板1表面上设有环形排布的散热片3，在多个所述散热片3围成的环状散热结构中设有贯穿导热板1的散热风机6，在所述的导热板1的另一侧表面设有液体散热装置7，在所述的液体散热装置7的下方设有半导体制冷片9，所述的半导体制冷片9上设有硅脂层8，所述的硅脂层8连接液体散热装置7，所述的液体散热装置7与散热风机6贯穿导热板1的一端相连。Referring to Figures 1 to 3, a radiator for an adjustable focus LED projection lamp includes a heat-conducting plate 1, and is characterized in that: the surface of the heat-conducting plate 1 is provided with annularly arranged heat sinks 3, The annular heat dissipation structure surrounded by a plurality of the heat dissipation fins 3 is provided with a heat dissipation fan 6 penetrating the heat transfer plate 1, and a liquid heat dissipation device 7 is provided on the other side surface of the heat transfer plate 1. A semiconductor refrigeration sheet 9 is arranged below the heat dissipation device 7, and a silicone grease layer 8 is provided on the semiconductor refrigeration sheet 9. The silicone grease layer 8 is connected to the liquid heat dissipation device 7, and the liquid heat dissipation device 7 is connected to the heat dissipation fan. 6 is connected through one end of the heat conducting plate 1 .

本发明所述的散热片3上方设有固定板10。此构造可以用来固定本发明的位置，同时防止外部干扰风机运行。A fixing plate 10 is provided above the heat sink 3 of the present invention. This configuration can be used to secure the position of the present invention while preventing external interference with fan operation.

本发明中所述的导热板1中心处上设有同时贯穿导热板1本体和半导体制冷片9、固定板10的可上下移动的隔热管5，在所述的隔热管5的外壁表面套设有线束套筒4，所述线束套筒4同时连接导热板1、固定板10和半导体制冷片9。此构造为液体散热部分，可以达到快速散热。In the present invention, the center of the heat-conducting plate 1 is provided with a heat-insulating pipe 5 that can move up and down and penetrates through the body of the heat-conducting plate 1 , the semiconductor refrigerating sheet 9 and the fixing plate 10 at the same time. A wire harness sleeve 4 is sleeved, and the wire harness sleeve 4 is connected to the heat conducting plate 1 , the fixing plate 10 and the semiconductor refrigeration sheet 9 at the same time. This structure is a liquid heat dissipation part, which can achieve rapid heat dissipation.

本发明中所述的散热风机6，包括有风机基座61，所述的风机基座通过自身设有固定环611固定在导热板1上，在所述的风机基座61上方连接设有散热风扇62，在所述的风机基座61下方连接设有可左右旋转杆的旋转杆63，所述的旋转杆63外壁上设有旋转叶片64，所述的散热风机6与外部控制开关组电连接。散热风机6运行时可以有上端的散热风扇62为散热片3散热，同时下方旋转杆63带动旋转叶片64转动，这样可达到加速液体流动。The cooling fan 6 described in the present invention includes a fan base 61 , the fan base is fixed on the heat conduction plate 1 by its own fixing ring 611 , and a cooling fan is connected above the fan base 61 . The fan 62 is connected with a rotating rod 63 that can rotate left and right below the fan base 61. The outer wall of the rotating rod 63 is provided with a rotating blade 64. The cooling fan 6 is electrically connected to the external control switch group. connect. When the cooling fan 6 is running, there may be a cooling fan 62 at the upper end to dissipate heat for the cooling fins 3, and at the same time, the lower rotating rod 63 drives the rotating blades 64 to rotate, so that the liquid flow can be accelerated.

本发明中所述的液体散热装置7，包括有若干个液体导管72，所述的液体导管72前方连接设有导热管71，所述的导热管71套设在散热风机6的旋转叶片64上同时与硅脂层8连接，在所述的液体导管72与液体导管72之间连接设有分流导管73。The liquid cooling device 7 in the present invention includes a plurality of liquid conduits 72 , and a heat conducting pipe 71 is connected in front of the liquid conduit 72 , and the heat conducting pipe 71 is sleeved on the rotating blade 64 of the cooling fan 6 . At the same time, it is connected to the silicone grease layer 8 , and a shunt conduit 73 is connected between the liquid conduit 72 and the liquid conduit 72 .

本发明中所述导热板1两侧外壁上分别设有若干个安装环2。此构造为散热器的固定机构。In the present invention, a plurality of mounting rings 2 are respectively provided on the outer walls on both sides of the heat conducting plate 1 . This configuration is the fixing mechanism of the radiator.

使用时，通过启动安装在导热板1上的散热风机6，这时散热风机6上的散热风扇62和旋转杆63同时转动，散热风扇62可以为散热片3散热，而旋转杆63则是可以加速液体流动来散热，这样的散热工作效率更高。When in use, by starting the cooling fan 6 installed on the heat-conducting plate 1, the cooling fan 62 and the rotating rod 63 on the cooling fan 6 rotate at the same time, the cooling fan 62 can dissipate heat for the heat sink 3, and the rotating rod 63 can be used. Accelerate the flow of liquid to dissipate heat, and this heat dissipation works more efficiently.

以上显示和描述了本发明的基本原理和主要特征以及本发明的优点，本行业的技术人员应该了解，本发明不受上实施例的限制，上述实施例和说明书中描述的只是说明本发明原理，在不脱离本发明精神和范围的前提下，本发明还会各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and the above embodiments and descriptions only illustrate the principles of the present invention. , without departing from the spirit and scope of the present invention, the present invention may also undergo various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1.一种可调焦的LED投影灯的散热器，包括导热板（1），其特征在于：所述的导热板（1）表面上设有环形排布的散热片（3），在多个所述散热片（3）围成的环状散热结构中设有贯穿导热板（1）的散热风机（6），在所述的导热板（1）的另一侧表面设有液体散热装置（7），在所述的液体散热装置（7）的下方设有半导体制冷片（9），所述的半导体制冷片（9）上设有硅脂层（8），所述的硅脂层（8）连接液体散热装置（7），所述的液体散热装置（7）与散热风机（6）贯穿导热板（1）一端相连，所述的散热风机（6），包括有风机基座（61），所述的风机基座通过自身设有固定环（611）固定在导热板（1）上，在所述的风机基座（61）上方连接设有散热风扇（62），在所述的风机基座（61）下方连接设有可左右旋转杆的旋转杆（63），所述的旋转杆（63）外壁上设有旋转叶片（64），所述的散热风机（6）与外部控制开关组电连接，所述的液体散热装置（7），包括有若干个液体导管（72），所述的液体导管（72）前方连接设有导热管（71），所述的导热管（71）套设在散热风机（6）的旋转叶片（64）上同时与硅脂层（8）连接，在所述的液体导管（72）与液体导管（72）之间连接设有分流导管（73）。1. A radiator for an adjustable focus LED projection lamp, comprising a heat-conducting plate (1), characterized in that: the surface of the heat-conducting plate (1) is provided with annularly arranged heat sinks (3), The annular heat dissipation structure surrounded by each of the heat dissipation fins (3) is provided with a heat dissipation fan (6) passing through the heat conduction plate (1), and a liquid heat dissipation device is disposed on the other side surface of the heat conduction plate (1). (7), a semiconductor refrigeration sheet (9) is provided below the liquid heat dissipation device (7), a silicone grease layer (8) is provided on the semiconductor refrigeration sheet (9), and the silicone grease layer (8) Connecting the liquid cooling device (7), the liquid cooling device (7) is connected with the cooling fan (6) through one end of the heat conducting plate (1), and the cooling fan (6) includes a fan base ( 61), the fan base is fixed on the heat conduction plate (1) by its own fixing ring (611), and a cooling fan (62) is connected above the fan base (61). A rotating rod (63) that can rotate left and right is connected below the fan base (61), and a rotating blade (64) is provided on the outer wall of the rotating rod (63), and the cooling fan (6) is connected to the external The control switch group is electrically connected, and the liquid cooling device (7) includes a plurality of liquid conduits (72), and a heat conducting pipe (71) is connected in front of the liquid conduit (72). 71) It is sleeved on the rotating blade (64) of the cooling fan (6) and is connected to the silicone grease layer (8) at the same time, and a shunt conduit (72) is connected between the liquid conduit (72) and the liquid conduit (72). 73). 2.根据权利要求1所述的一种可调焦的LED投影灯的散热器，其特征在于所述的散热片（3）上方设有固定板（10）。2 . The heat sink for an adjustable focus LED projection lamp according to claim 1 , wherein a fixing plate ( 10 ) is provided above the heat sink ( 3 ). 3 . 3.根据权利要求2所述的一种可调焦的LED投影灯的散热器，其特征在于所述的导热板（1）中心处上设有同时贯穿导热板（1）本体和半导体制冷片（9）、固定板（10）的可上下移动的隔热管（5），在所述的隔热管（5）的外壁表面套设有线束套筒（4），所述线束套筒（4）同时连接导热板（1）、固定板（10）和半导体制冷片（9）。3. The radiator of an adjustable-focus LED projection lamp according to claim 2, characterized in that the center of the heat-conducting plate (1) is provided with both the body of the heat-conducting plate (1) and the semiconductor refrigeration sheet. (9) The heat insulation pipe (5) of the fixed plate (10) that can move up and down, a wire harness sleeve (4) is sleeved on the outer wall surface of the heat insulation pipe (5), and the wire harness sleeve ( 4) Connect the heat conducting plate (1), the fixing plate (10) and the semiconductor refrigeration sheet (9) at the same time. 4.根据权利要求1所述的一种可调焦的LED投影灯的散热器，其特征在于所述导热板（1）两侧外壁上分别设有若干个安装环（2）。4 . The radiator for an adjustable focus LED projection lamp according to claim 1 , wherein a plurality of mounting rings ( 2 ) are respectively provided on the outer walls on both sides of the heat conducting plate ( 1 ). 5 .
CN201710532663.1A 2017-06-30 2017-06-30 A radiator for a focusable LED projection lamp Expired - Fee Related CN107166342B (en)

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CN111335002B (en) * 2018-12-17 2025-04-18 青岛海尔智能技术研发有限公司 Semiconductor heat exchange component, clothes drying equipment and control method thereof
CN111321571B (en) * 2018-12-17 2022-07-26 青岛海尔智能技术研发有限公司 Clothes drying equipment
CN112030494B (en) * 2019-06-03 2023-02-17 青岛海尔智能技术研发有限公司 Automatic ironing and drying equipment
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