CN110242902A - A liquid-cooled heat dissipation searchlight - Google Patents
A liquid-cooled heat dissipation searchlight Download PDFInfo
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- CN110242902A CN110242902A CN201910675468.3A CN201910675468A CN110242902A CN 110242902 A CN110242902 A CN 110242902A CN 201910675468 A CN201910675468 A CN 201910675468A CN 110242902 A CN110242902 A CN 110242902A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims 10
- 239000000110 cooling liquid Substances 0.000 abstract description 9
- 239000002826 coolant Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/003—Searchlights, i.e. outdoor lighting device producing powerful beam of parallel rays, e.g. for military or attraction purposes
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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
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
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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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
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- 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)
Abstract
本发明公开了一种液冷散热探照灯，涉及照明装置技术领域。所述液冷散热探照灯包括LED散热排、进水管、出水管、水泵和水箱；LED散热排设有冷却通道，冷却通道的一端连通进水管，另一端连通出水管；所述进水管的一端连接水泵，另一端与冷却通道连通；出水管的一端与冷却通道连通，另一端连通水箱；水泵连通水箱。本发明提出一种液冷散热探照灯，采用液冷散热技术。本发明的液冷散热探照灯LED在发光时产生的热量，通过水泵带动冷却液进入LED散热排吸收其产生的热量，冷却液流经LED散热排后回流至水箱内，在水箱内冷却下来后，又经过水泵泵送至LED散热排内部，如此循环往复，避免LED和LED散热排温度过高。
The invention discloses a liquid-cooled and heat-dissipating searchlight, which relates to the technical field of lighting devices. The liquid-cooled heat dissipation searchlight includes an LED radiator, a water inlet pipe, a water outlet pipe, a water pump and a water tank; the LED radiator is provided with a cooling channel, one end of the cooling channel is connected to the water inlet pipe, and the other end is connected to the water outlet pipe; one end of the water inlet pipe is connected to The other end of the water pump communicates with the cooling channel; one end of the water outlet pipe communicates with the cooling channel, and the other end communicates with the water tank; the water pump communicates with the water tank. The invention proposes a liquid-cooled and heat-dissipating searchlight, which adopts liquid-cooling and heat-dissipating technology. The heat generated by the liquid-cooled heat-dissipating searchlight LED of the present invention when it emits light is driven by a water pump to enter the cooling liquid into the LED radiator to absorb the heat generated. It is pumped to the inside of the LED heat sink through the water pump, and this cycle repeats to avoid excessive temperature of the LED and the LED heat sink.
Description
技术领域technical field
本发明涉及照明装置技术领域，具体涉及一种液冷散热探照灯。The invention relates to the technical field of lighting devices, in particular to a liquid-cooled heat dissipation searchlight.
背景技术Background technique
探照灯是一种远射高亮型的照明装置，因其使用要求需要远距离照明，所以其必须具备两点：第一需要发光点较集中且亮度够大的光源；第二需要能有效聚光的反光罩。现阶段大功率探照灯一般择集中式的LED光源，和比较耐热的金属反光罩，用于远距离照明和搜索的用途。探照灯因其结构原因要求光源比较集中，故发热源比较集中，导致散热效率和速度不高，且探照灯一般功率较大，所以驱动电路的发热量也相对较大，在使用时由于灯具中光源与电路的热量不能及时进行有效散热，导致内部的光源和电子线路的温度迅速上升，而温度的上升对于LED和电路元器件的使用寿命有着致命的影响，同时当电路中某些器件因温升而发生损坏的同时亦有可能发生火灾险情。目前市面上大部分探照灯使用外壳直接传导散热，散热效率很低，影响整个探照灯的使用寿命。The searchlight is a long-range and high-brightness lighting device. Because it requires long-distance lighting, it must have two points: first, it needs a light source with concentrated luminous points and high enough brightness; second, it needs to be able to effectively concentrate light. reflector. At this stage, high-power searchlights generally choose centralized LED light sources and relatively heat-resistant metal reflectors for long-distance lighting and search purposes. Due to its structural reasons, the searchlight requires a relatively concentrated light source, so the heat source is relatively concentrated, resulting in low heat dissipation efficiency and speed, and the searchlight generally has a large power, so the calorific value of the driving circuit is relatively large. The heat of the circuit cannot be effectively dissipated in time, causing the temperature of the internal light source and electronic circuit to rise rapidly, and the temperature rise has a fatal impact on the service life of the LED and circuit components. Damage can also cause a fire hazard. At present, most searchlights on the market use the shell to conduct heat directly, and the heat dissipation efficiency is very low, which affects the service life of the entire searchlight.
发明内容Contents of the invention
本发明所要解决的技术问题在于，提供一种液冷散热探照灯，有效的解决了散热效率低、使用寿命短等问题，为了解决上述技术问题，本发明采用如下技术方案：The technical problem to be solved by the present invention is to provide a liquid-cooled heat dissipation searchlight, which effectively solves the problems of low heat dissipation efficiency and short service life. In order to solve the above technical problems, the present invention adopts the following technical solutions:
一种液冷散热探照灯，包括LED散热排、进水管、出水管、水泵和水箱；LED散热排设有冷却通道，冷却通道的一端连通进水管，另一端连通出水管；所述进水管的一端连接水泵，另一端与冷却通道连通；出水管的一端与冷却通道连通，另一端连通水箱；水泵连通水箱。A liquid-cooled heat-dissipating searchlight, comprising an LED radiator, a water inlet pipe, a water outlet pipe, a water pump and a water tank; the LED radiator is provided with a cooling channel, one end of the cooling channel is connected to the water inlet pipe, and the other end is connected to the water outlet pipe; one end of the water inlet pipe The water pump is connected, and the other end communicates with the cooling channel; one end of the water outlet pipe communicates with the cooling channel, and the other end communicates with the water tank; the water pump communicates with the water tank.
优选地，冷却通道位于LED散热排的内部。Preferably, the cooling channel is located inside the LED heat sink.
优选地，冷却通道在LED散热排内部呈环形或螺旋分布，可增加冷却液与LED散热排的接触面积，提高导热效率。Preferably, the cooling channel is distributed in a ring or a spiral inside the LED heat sink, which can increase the contact area between the cooling liquid and the LED heat sink, and improve the heat conduction efficiency.
优选地，水箱设有水箱散热排，水箱散热排设有液冷通道，液冷通道连通出水管。水箱散热排优选为金属材质。Preferably, the water tank is provided with a radiator of the water tank, and the radiator of the water tank is provided with a liquid cooling channel, and the liquid cooling channel is connected to the water outlet pipe. The radiator of the water tank is preferably made of metal.
优选地，液冷通道位于水箱散热排的内部，呈环形或螺旋或条形分布，以便增加冷却液与水箱散热排的接触面积。Preferably, the liquid cooling channel is located inside the radiator of the water tank, and is distributed in a ring, spiral or strip shape, so as to increase the contact area between the cooling liquid and the radiator of the water tank.
优选地，水箱散热排的外部设有散热鳍。Preferably, cooling fins are provided on the outside of the radiator of the water tank.
优选地，液冷散热探照灯还包括灯壳，灯壳上设有灯头散热排，灯头散热排上设有灯头散热鳍；灯头散热排连接LED散热排。Preferably, the liquid-cooled heat dissipation searchlight further includes a lamp housing, the lamp housing is provided with a heat sink of the lamp base, and the heat sink of the lamp base is provided with heat dissipation fins of the lamp base; the heat sink of the lamp base is connected with the LED heat sink.
优选地，液冷散热探照灯，还包括支柱，支柱一端连接水箱，另一端连接灯壳；进水管和出水管位于支柱内部。Preferably, the liquid-cooled heat dissipation searchlight further includes a pillar, one end of the pillar is connected to the water tank, and the other end is connected to the lamp housing; the water inlet pipe and the water outlet pipe are located inside the pillar.
优选地，支柱上设有控制面板。Preferably, a control panel is provided on the pillar.
优选地，液冷散热探照灯，还包括反光杯和压圈；反光杯位于灯壳内部，LED散热排位于反光杯底部；压圈位于反光杯的口部，与灯壳连接。Preferably, the liquid-cooled heat dissipation searchlight also includes a reflector and a pressure ring; the reflector is located inside the lamp housing, and the LED heat sink is located at the bottom of the reflector; the pressure ring is located at the mouth of the reflector and is connected to the lamp housing.
本发明提出一种液冷散热探照灯，采用液冷散热技术。LED在发光时产生的热量，通过水泵带动冷却液进入LED散热排吸收其产生的热量，冷却液流经LED散热排后回流至水箱内，在水箱内冷却下来后，又经过水泵泵送至LED散热排内部，如此循环往复，避免LED和LED散热排温度过高。同时，设置水箱散热排，在水箱散热排内部设有液冷通道，使流经LED散热排吸热后的冷却液流经液冷通道迅速降温，然后冷却液回流至水箱。水箱散热排上设置散热鳍，有助于提高水箱散热排的散热效率，使冷却液快速冷却。此外，在LED散热排外部设置灯头散热排，灯头散热排外部设置灯头散热鳍，进一步提高散热效率。The invention proposes a liquid-cooled and heat-dissipating searchlight, which adopts liquid-cooling and heat-dissipating technology. The heat generated by the LED when it emits light is driven by the water pump to enter the LED radiator to absorb the heat generated. The coolant flows through the LED radiator and then returns to the water tank. After cooling down in the water tank, it is pumped to the LED by the water pump. Inside the heat sink, this cycle repeats to avoid excessive temperature of the LED and LED heat sink. At the same time, a water tank radiator is installed, and a liquid cooling channel is provided inside the water tank radiator, so that the cooling liquid flowing through the LED radiator after absorbing heat flows through the liquid cooling channel to cool down rapidly, and then the cooling liquid returns to the water tank. Radiating fins are arranged on the radiator of the water tank, which helps to improve the heat dissipation efficiency of the radiator of the water tank, so that the coolant can be cooled quickly. In addition, the heat dissipation radiator of the lamp holder is arranged outside the heat dissipation radiator of the LED, and the heat dissipation fin of the lamp holder is arranged outside the heat dissipation row of the lamp holder, so as to further improve the heat dissipation efficiency.
附图说明Description of drawings
图1为本发明实施例1液冷散热探照灯的结构图；Fig. 1 is a structural diagram of a liquid-cooled heat dissipation searchlight in Embodiment 1 of the present invention;
图2为本发明实施例1液冷散热探照灯的正视图；Fig. 2 is the front view of the liquid-cooled heat dissipation searchlight of Embodiment 1 of the present invention;
图3为图2中沿A-A方向的剖视图；Fig. 3 is a sectional view along the A-A direction in Fig. 2;
图4为本发明实施例1LED散热排和灯头散热排的结构图；Fig. 4 is a structural diagram of the LED radiator and the lamp base radiator in Embodiment 1 of the present invention;
图5为图4中沿B-B方向的剖视图；Fig. 5 is the sectional view along B-B direction in Fig. 4;
图6为本发明实施例1液冷散热探照灯的水箱散热排结构图；Fig. 6 is a structural diagram of the radiator of the water tank of the liquid-cooled heat dissipation searchlight in Embodiment 1 of the present invention;
图7为本发明实施例1液冷散热探照灯水箱散热排仰视图；Fig. 7 is a bottom view of the radiator of the liquid-cooled searchlight water tank in Embodiment 1 of the present invention;
图8为图7中沿C-C剖面示意图；Fig. 8 is a schematic cross-sectional view along C-C in Fig. 7;
图9为图7中沿D-D剖面示意图；Fig. 9 is a schematic cross-sectional view along D-D in Fig. 7;
图中，1-水箱，2-水箱散热排，3-支柱，4-水泵，5-控制面板，6-进水管，7-固定支架，8-出水管，9-灯头，91-灯头散热排，92-LED散热排，93-LED，94-反光杯，95-灯壳，96-镜片，97-压圈，21-散热鳍，22-液冷通道，9301-冷却通道，9302-灯头散热鳍。In the figure, 1-water tank, 2-water tank radiator, 3-pillar, 4-water pump, 5-control panel, 6-water inlet pipe, 7-fixing bracket, 8-water outlet pipe, 9-lamp holder, 91-lamp holder radiator , 92-LED heat sink, 93-LED, 94-reflector, 95-lamp housing, 96-lens, 97-pressure ring, 21-radiating fin, 22-liquid cooling channel, 9301-cooling channel, 9302-lamp heat dissipation fin.
具体实施方式Detailed ways
为了更充分理解本发明的技术内容，下面结合附图对本发明的技术方案进一步介绍和说明，附图中给出了本发明的较佳实施方式。但是本发明可以以许多不同的形式来实现，并不限于本文所描述的实施方式。相反地，提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。In order to fully understand the technical content of the present invention, the technical solutions of the present invention will be further introduced and described below in conjunction with the accompanying drawings, which show preferred implementation modes of the present invention. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
如图1-9所示的液冷散热探照灯，包括灯头9、固定支架7、支柱3、水泵4、水箱1、水箱散热排2、进水管6和出水管8。灯头3固定在固定支架7上，固定支架7的底部连接支柱3。The liquid-cooled heat dissipation searchlight shown in Fig. 1-9 includes a lamp cap 9, a fixed bracket 7, a pillar 3, a water pump 4, a water tank 1, a water tank radiator 2, a water inlet pipe 6 and an outlet pipe 8. The lamp cap 3 is fixed on the fixed bracket 7 , and the bottom of the fixed bracket 7 is connected to the pillar 3 .
支柱3的底部固定在水箱1上，支柱3为空心结构，进水管6和出水管8均从支柱3内部穿过，防止进水管6和出水管8裸露在外，可有效的保护进水管6和出水管8不受外界损坏。水箱散热排2和水泵均固定在水箱1的外部。支柱3上设有控制面板5，控制面板5包括操作按钮、显示屏，可通过手动调节控制面板5来控制水泵4抽水，或者过手动调节操作面板5来控制LED 93的亮度，可通过显示屏显示LED 93亮度的高低或显示LED 93的温度等。The bottom of the pillar 3 is fixed on the water tank 1. The pillar 3 is a hollow structure. Both the water inlet pipe 6 and the water outlet pipe 8 pass through the inside of the pillar 3 to prevent the water inlet pipe 6 and the water outlet pipe 8 from being exposed, which can effectively protect the water inlet pipe 6 and the water outlet pipe. The water outlet pipe 8 is not damaged by the outside world. The water tank radiator 2 and the water pump are all fixed on the outside of the water tank 1. A control panel 5 is provided on the pillar 3, and the control panel 5 includes operation buttons and a display screen. The water pump 4 can be controlled to pump water by manually adjusting the control panel 5, or the brightness of the LED 93 can be controlled by manually adjusting the operation panel 5. Display the brightness of LED 93 or display the temperature of LED 93, etc.
灯头9包括圆筒状的灯壳95、反光杯94、镜片96、压圈97、灯头散热排91、LED散热排92和LED 93，LED 93位于LED散热排92上。灯壳95与支架7通过螺钉固定或活动连接，其中，活动连接可通过手动控制外壳倾斜角度。反光杯94位于灯壳95内部，LED散热排92位于反光杯94的底部，反光杯94的口部与镜片96连接。镜片96通过压圈97固定在灯壳95的口部，使镜片96和灯壳95紧固连接。灯头散热排91为灯壳95的底部，内侧与LED散热排92底面紧固连接。灯头散热排91优选为导热和散热效果好的金属材质，灯头散热排91的外侧设有灯头散热鳍9302。The lamp cap 9 includes a cylindrical lamp housing 95, a reflector 94, a lens 96, a pressure ring 97, a lamp cap radiator 91, an LED radiator 92 and an LED 93, and the LED 93 is located on the LED radiator 92. The lamp housing 95 and the bracket 7 are fixed or movably connected by screws, wherein the movably connected angle of the shell can be manually controlled. The reflective cup 94 is located inside the lamp housing 95 , the LED radiator 92 is located at the bottom of the reflective cup 94 , and the mouth of the reflective cup 94 is connected with the lens 96 . The lens 96 is fixed on the mouth of the lamp housing 95 through the pressure ring 97, so that the lens 96 and the lamp housing 95 are tightly connected. The heat sink 91 of the lamp base is the bottom of the lamp housing 95 , and the inner side is tightly connected with the bottom surface of the LED heat sink 92 . The heat dissipation row 91 of the lamp holder is preferably made of a metal material with good heat conduction and heat dissipation effects, and the heat dissipation fin 9302 of the lamp holder is provided on the outside of the heat dissipation row 91 of the lamp holder.
LED散热排92设有冷却通道9301，冷却通道9301位于LED散热排92的内部，冷却通道9301在LED散热排92内部呈环形或螺旋分布，以增加冷却液与LED散热排92的接触面积，提高散热效率。冷却通道9301的一端连通进水管6，另一端连通出水管8。进水管6的一端连接水泵4，另一端与冷却通道9301连通。水泵4连通水箱1，可将水箱1的冷却液泵送至冷却通道9301中。The LED radiator 92 is provided with a cooling channel 9301, the cooling channel 9301 is located inside the LED radiator 92, and the cooling channel 9301 is annular or spirally distributed inside the LED radiator 92 to increase the contact area between the cooling liquid and the LED radiator 92 and improve cooling efficiency. One end of the cooling channel 9301 is connected to the water inlet pipe 6 , and the other end is connected to the water outlet pipe 8 . One end of the water inlet pipe 6 is connected to the water pump 4 , and the other end is communicated with the cooling channel 9301 . The water pump 4 communicates with the water tank 1, and can pump the coolant in the water tank 1 into the cooling channel 9301.
水箱散热排2设有液冷通道22，液冷通道22连通出水管8，液冷通道22位于水箱散热排2的内部，呈条形折叠分布(亦可呈环形分布或螺旋型分布)，以增加冷却液与水箱散热排2的接触面积，提高冷却液降温散热效率。水箱散热排2的外部设有散热鳍21。出水管8的一端与冷却通道9301连通，另一端连通水箱散热排2内部的液冷通道22，冷却液流经液冷通道22后进入水箱1进一步冷却降温。The radiator 2 of the water tank is provided with a liquid cooling channel 22, which is connected to the water outlet pipe 8. The liquid cooling channel 22 is located inside the radiator 2 of the water tank, and is distributed in a strip shape (or in a circular distribution or a spiral distribution). The contact area between the cooling liquid and the radiator 2 of the water tank is increased to improve cooling liquid cooling efficiency. Radiating fins 21 are provided on the outside of the water tank radiator 2 . One end of the water outlet pipe 8 communicates with the cooling channel 9301, and the other end communicates with the liquid cooling channel 22 inside the radiator 2 of the water tank. The coolant flows through the liquid cooling channel 22 and then enters the water tank 1 for further cooling.
开启探照灯，同时启动水泵4，水泵4将水箱内的冷却液泵送至冷却通道9301，吸收LED产生的热量，使LED和LED散热排降温，吸热后的冷却液流经水箱散热排2内的液冷通道22，进行散热降温后再回流至水箱内进一步降温散热，然后再由水泵4泵送至冷却通道9301，如此往复，避免LED和LED散热排温度过高。在水箱散热排2外部的散热鳍21，有助于提高冷却液的降温散热效率。Turn on the searchlight, start the water pump 4 at the same time, the water pump 4 pumps the coolant in the water tank to the cooling channel 9301, absorbs the heat generated by the LED, cools down the LED and the LED radiator, and the cooled coolant flows through the radiator 2 of the water tank The liquid cooling passage 22 of the liquid cooling channel 22, after cooling down, returns to the water tank for further cooling and heat dissipation, and then is pumped to the cooling channel 9301 by the water pump 4, so as to avoid excessive temperature of the LED and LED radiator. The cooling fins 21 on the outside of the water tank radiator 2 help to improve the cooling and cooling efficiency of the coolant.
灯头散热排91也可吸收LED产生的热量，使LED和LED散热排降温，外部的灯头散热鳍9302，可增加灯头散热排91与空气的有效接触面积，进一步提高散热效率。The lamp cap radiator 91 can also absorb the heat generated by the LEDs to cool down the LED and the LED radiator. The external lamp cap radiator fins 9302 can increase the effective contact area between the lamp cap radiator 91 and the air to further improve the heat dissipation efficiency.
本发明的冷却液可选择水及其他可吸热和散热的液体。The cooling liquid of the present invention can select water and other liquids that can absorb heat and dissipate heat.
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单的变形，这些简单变形均属于本发明的保护范围。The preferred embodiment of the present invention has been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the specific details in the above embodiment, and within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention , these simple modifications all belong to the protection scope of the present invention.
此外，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合。为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。In addition, the various specific technical features described in the above specific implementation manners may be combined in any suitable manner if there is no contradiction. In order to avoid unnecessary repetition, various possible combinations are not further described in the present invention.
Claims (10)
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