Heat dissipation structure of LED lamp

Abstract

The utility model discloses a heat dissipation structure of an LED lamp, which comprises a lamp box, one side of the lamp box is provided with a back plate, one side of the back plate is provided with a heat dissipation device, the heat dissipation device comprises a cooler, a liquid inlet pipe, a liquid outlet pipe and a liquid cooling pipe, the input end of the cooler is connected with the liquid cooling pipe through the liquid outlet pipe, the liquid inlet pipe is connected with the output end of the cooler, and the liquid outlet pipe is connected with the liquid cooling pipe. The other end of the liquid inlet pipe is connected with an adjusting device, the adjusting device comprises a rotating sleeve, a connecting pipe, a movable plate, an adaptive shaft, an adaptive groove and a rotating shaft, one side of the movable plate is in sliding connection with the adaptive groove through the adaptive shaft, the adaptive groove is formed in one side of the connecting pipe, and a limiting mechanism is arranged on the outer side of the liquid inlet pipe; the limiting mechanism comprises a connecting block, a return spring, a return groove, a return block, a return hole, a stop sleeve, a reset rod, a return rod and a return plate, the return spring is connected with the connecting block and the return block, the return rod is connected with the stop sleeve through the reset rod, the performance of the LED lamp is greatly improved, the service life of the LED lamp is greatly prolonged, the reliability of the LED lamp is greatly improved, and meanwhile energy consumption and maintenance cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamps technical field more specifically, it relates to a heat dissipation structure of LED lamps. BACKGROUND

[0002] In the rapid development of LED lighting technology today, the heat dissipation problem of LED lamps has been the key factor restricting its performance and life, the heat dissipation structure of LED lamps as the key equipment of ensuring the stability and safety of LED lamps, its design and function are crucial to the reliable operation of the whole lighting system, however, the current widely used LED lamps heat dissipation structure technology still has many deficiencies, these problems not only affect the applicability and efficiency of equipment, also can cause potential threat to the safe operation of the whole lighting system.

[0003] Firstly, the heat dissipation structure of LED lamps in the prior art generally has the problems of low heat dissipation efficiency and poor adaptability, which mainly embodies in the following aspects: the traditional natural air cooling mode is inefficient, and cannot meet the heat dissipation demand of high power, this passive heat dissipation mode is helpless in the face of complex environment or high temperature condition, which may lead to chip overheating, the limitation of natural air cooling greatly reduces the heat dissipation effect of the equipment under different environmental conditions, lacks active heat dissipation mechanism, so that the LED lamps cannot quickly respond to the sudden high temperature situation, not only reduces the performance and life of the LED lamps, but also may lead to low energy efficiency, increases the operating cost, and even affects the safety and stability of the whole lighting system.

[0004] Secondly, the liquid cooling heat dissipation structure of LED lamps in the prior art has the problem of inaccurate control in actual application, which mainly embodies in: the cooling liquid flow rate is usually fixed design, and cannot be adjusted according to the actual heat dissipation demand, the simple pipeline structure is difficult to realize the complex fluid control, which leads to uneven heat dissipation effect, lacks control system, and cannot flexibly adjust the heat dissipation intensity according to the environmental temperature and working state, the fixed flow rate design may lead to excessive heat dissipation or insufficient heat dissipation under different working conditions, which affects the energy efficiency, and the simple liquid cooling system is difficult to adapt to complex installation environment and changeable climate conditions, this lack of flexibility of the heat dissipation system not only reduces the working efficiency, but also may increase the energy consumption and maintenance cost.

[0005] In addition, although part of the improved device by introducing the flow rate adjusting device, the realization of the cooling liquid flow rate adjustment, but these designs often have simple structure, stability problems, mainly in: the precision of the adjusting mechanism is insufficient, it is difficult to realize accurate flow control, the design of the adjusting structure does not fully consider the vibration and impact that the LED lamp may face in outdoor use, it is difficult to maintain stability for a long time, lack of effective shockproof mechanism, prone to structural displacement in harsh environments, in actual use, these design defects are more prominent, the sustained vibration in strong wind and other harsh weather conditions, and the external impact in daily use, may cause the adjusting structure to gradually loosen, affect the preset flow rate, which reduces the heat dissipation effect and normal use of the equipment. Practical new type content

[0006] (I) the technical problem solved

[0007] In view of the problems existing in the prior art, the utility model provides a heat dissipation structure of LED lamp to solve the technical problems mentioned in the background art.

[0008] (II) technical scheme

[0009] In order to achieve the above purpose, the utility model provides the following technical scheme: a heat dissipation structure of LED lamp, including lamp box, the one side of lamp box is equipped with backboard, the one side of backboard is installed with heat dissipation device, the heat dissipation device includes cooler, liquid inlet pipe, liquid outlet pipe and liquid cooling pipe, the liquid cooling pipe is arranged in the lamp box, the input end of cooler is connected with liquid outlet pipe and liquid cooling pipe, the liquid inlet pipe is connected at the output end of cooler, the other end of liquid inlet pipe is connected with adjusting device, the adjusting device includes rotating sleeve, connecting pipe, movable plate, adaptive shaft, adaptive slot and rotating shaft, the both ends of rotating sleeve are rotatably connected with connecting pipe and liquid inlet pipe respectively, one end of connecting pipe is connected with liquid cooling pipe, the movable plate is movably arranged in rotating sleeve, one side of movable plate is slidably connected with adaptive slot through adaptive shaft, the other side of movable plate is rotatably connected with rotating sleeve through rotating shaft, the adaptive slot is arranged on one side of connecting pipe, the outer side of liquid inlet pipe is provided with limiting mechanism, the limiting mechanism includes connecting block, return spring, return slot, return block, return hole, stop sleeve, reset rod, return rod and return plate, the connecting block is fixedly connected on the outer wall of liquid inlet pipe, the both ends of return spring are connected with connecting block and return block respectively, the return slot is arranged on return plate, the return block is fixedly connected on one side of return plate, the return hole is arranged on return plate, the stop sleeve is sleeved on the outer side of liquid inlet pipe, the return rod is connected with stop sleeve through reset rod, and the return plate is rotatably sleeved on the outer side of liquid inlet pipe.

[0010] The utility model further sets up, the lamp box can be detachably equipped with lamp, the back side of lamp can be detachably equipped with heat conduction plate, and the heat conduction plate is in contact with liquid cooling pipe.

[0011] The utility model further provides for, slidingly equipped with a plurality of stop lever on the rotating sleeve lateral wall, the liquid inlet pipe outer wall is equipped with a plurality of stop groove, the stop lever inner end is inserted into the stop groove.

[0012] The utility model further provides for, the fixed guide block of stop sleeve inner wall, the liquid inlet pipe outside is equipped with guide groove, the guide block is slidably arranged in the guide groove, and the cooperation of guide block guide groove realizes the limiting guide function of stop sleeve.

[0013] The utility model further provides for, the rotating sleeve outside is equipped with movable spring, the stop lever outer end is connected with the rotating sleeve outer wall through movable spring, and the setting of movable spring ensures the stable use of stop lever.

[0014] The utility model further provides for, the reset spring is connected in stop sleeve one side, and the reset spring other end and return plate are contact type connection, and the setting of reset spring simplifies the operation process.

[0015] The utility model further provides for, a plurality of through holes are formed in the movable plate.

[0016] The utility model further provides for, the rubber strip is fixed in one side of the connecting pipe, the recess is correspondingly formed in the rotating sleeve inner side, the recess is matched with the rubber strip, and the setting of rubber strip and recess enhances the sealing property of the liquid inlet pipe and rotating sleeve connecting part.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a kind of heat dissipation structure of LED lamp, with following beneficial effects:

[0019] 1, the heat dissipation device solves the multiple problems existing in prior art by innovative design, and the heat dissipation device adopts liquid cooling system, including cooler, liquid inlet pipe, liquid outlet pipe and liquid cooling pipe, realizes the efficient heat dissipation of LED lamp, cooler is cooled to cooling liquid and circulates and transports, and liquid cooling pipe is arranged in the contact with heat conduction plate and lamp in lamp box, greatly improves the heat dissipation efficiency, overcomes the low efficiency of traditional natural air cooling mode, this active heat dissipation mechanism can quickly respond to sudden high temperature situation, effectively prevent LED chip from overheating, improves lamp performance and life.

[0020] 2. The design of the adjustment device solves the problem of inflexible control of the liquid cooling system. It includes components such as a rotating sleeve, connecting pipe, movable plate, adapter shaft, adapter groove, and rotating shaft. By rotating the rotating sleeve, the position of the movable plate can be adjusted, thereby changing the flow area and achieving precise control of the coolant flow rate. This design allows the heat dissipation system to flexibly adjust the heat dissipation intensity according to the ambient temperature and LED operating status, avoiding the problems of excessive or insufficient heat dissipation caused by a fixed flow rate design, thus improving energy efficiency. At the same time, the adjustment device has an ingenious structure, is easy to operate, and is highly adaptable, meeting the needs of different environments and climate conditions.

[0021] 3. The introduction of the limiting mechanism effectively solves the problem of insufficient stability in the improved equipment. It includes components such as connecting blocks, return springs, return grooves, return blocks, return holes, stop sleeves, reset rods, return rods, and return plates. Through multiple limiting and locking mechanisms, the stability of the adjusted structure is ensured. The design of components such as return springs and reset springs enhances the device's shock resistance and effectively copes with vibrations and impacts that may be encountered during outdoor use. The design of stop sleeves, guide blocks, and guide grooves, together with stop rods and stop grooves, further enhances the stability of the structure and prevents structural displacement in harsh environments. This design greatly improves the reliability of the equipment under harsh weather conditions such as strong winds and effectively avoids the problem of reduced heat dissipation caused by loosening of the adjustment structure. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a heat dissipation structure for an LED lamp according to the present invention.

[0023] Figure 2 This is a schematic diagram of the dispersed structure in this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the adjusting device and the limiting mechanism in this utility model;

[0025] Figure 4 This is a schematic diagram of the dispersed structure of the connecting pipe part and the rotating sleeve part in this utility model;

[0026] Figure 5 This is a cross-sectional structural diagram of the transfer sleeve and the stop sleeve in this utility model.

[0027] In the figure: 1, light box; 2, back plate; 3, cooler; 4, liquid inlet pipe; 5, liquid outlet pipe; 6, liquid cooling pipe; 7, rotating sleeve; 8, connecting pipe; 9, movable plate; 10, adapting shaft; 11, adapting groove; 12, rotating shaft; 13, connecting block; 14, return spring; 15, return groove; 16, return block; 17, return hole; 18, stop sleeve; 19, reset rod; 20, return rod; 21, return plate; 22, lamp; 23, heat-conducting plate; 24, stop rod; 25, stop groove; 26, guide block; 27, guide groove; 28, movable spring; 29, reset spring; 30, via hole; 31, rubber strip; 32, groove. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by those skilled in the art to which the present application belongs.

[0030] In the present application, unless otherwise specified, the directions used such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings; "inner, outer" refer to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the present application.

[0031] Please refer to Figures 1-5The application discloses a heat dissipation structure of an LED lamp, which comprises a lamp box 1, a back plate 2 arranged on one side of the lamp box 1, a heat dissipation device arranged on one side of the back plate 2, the heat dissipation device comprising a cooler 3, a liquid inlet pipe 4, a liquid outlet pipe 5 and a liquid cooling pipe 6, the liquid cooling pipe 6 being arranged in the lamp box 1, the input end of the cooler 3 being connected with the liquid outlet pipe 5 and the liquid cooling pipe 6, the liquid inlet pipe 4 being connected with the output end of the cooler 3, the other end of the liquid inlet pipe 4 being connected with an adjusting device, the adjusting device comprising a rotating sleeve 7, a connecting pipe 8, a movable plate 9, an adapting shaft 10, an adapting groove 11 and a rotating shaft 12, the rotating sleeve 7 being rotatably connected with the connecting pipe 8 and the liquid inlet pipe 4 respectively, one end of the connecting pipe 8 being connected with the liquid cooling pipe 6, the movable plate 9 being movably arranged in the rotating sleeve 7, one side of the movable plate 9 being slidably connected with the adapting groove 11 through the adapting shaft 10, the other side of the movable plate 9 being rotatably connected with the rotating sleeve 7 through the rotating shaft 12, the adapting groove 11 being arranged on one side of the connecting pipe 8, a limiting mechanism being arranged on the outer side of the liquid inlet pipe 4, the limiting mechanism comprising a connecting block 13, a return spring 14, a return groove 15, a return block 16, a return hole 17, a stop sleeve 18, a reset rod 19, a return rod 20 and a return plate 21, the connecting block 13 being fixedly connected with the outer wall of the liquid inlet pipe 4, the return spring 14 being connected with the connecting block 13 and the return block 16 respectively, the return groove 15 being arranged on the return plate 21, the return block 16 being fixedly connected with one side of the return plate 21, the return hole 17 being arranged on the return plate 21, the stop sleeve 18 being sleeved on the outer side of the liquid inlet pipe 4, the return rod 20 being connected with the stop sleeve 18 through the reset rod 19, and the return plate 21 being rotatably sleeved on the outer side of the liquid inlet pipe 4.

[0032] A lamp 22 is detachably arranged in the lamp box 1, and a heat conduction plate 23 is detachably arranged on the back side of the lamp 22 and is in contact with the liquid cooling pipe 6.

[0033] In the embodiment, when the LED lamp needs to be cooled, the cooling liquid conveying flow rate is first adjusted according to the actual situation, then the cooler 3 is turned on, so that the cooler 3 cools part of the cooling liquid stored in the cooler 3, then the cooling liquid is conveyed to the liquid inlet pipe 4 by the conveying pump arranged in the cooler 3, then the cooling liquid is conveyed into the liquid cooling pipe 6 through the connecting pipe 8, then the temperature of the cooling liquid is transferred to the heat conduction plate 23, and the temperature of the lamp 22 is transferred to the heat conduction plate 23, the heat exchange area is increased, the lamp 22 is cooled, the temperature of the cooling liquid is increased after heat exchange, then the cooling liquid is conveyed to the cooler 3 through the liquid outlet pipe 5 connected with the output end of the liquid cooling pipe 6 to be cooled again and recycled, so that the LED lamp is uniformly and rapidly cooled.

[0034] Please refer to Figures 3-5 As a further embodiment of the whole device: a plurality of stop rods 24 are slidably arranged on the side wall of the rotating sleeve 7, a plurality of stop grooves 25 are arranged on the outer wall of the liquid inlet pipe 4, and the inner ends of the stop rods 24 are inserted into the stop grooves 25.

[0035] A guide block 26 is fixedly arranged on the inner wall of the stop sleeve 18, and a guide groove 27 is arranged on the outer side of the liquid inlet pipe 4, and the guide block 26 is slidingly arranged in the guide groove 27.

[0036] An elastic spring 28 is arranged on the outer side of the rotating sleeve 7, and the outer end of the stop rod 24 is connected with the outer wall of the rotating sleeve 7 through the elastic spring 28.

[0037] A reset spring 29 is sleeved on the outer side of the reset rod 19 and the return rod 20, the reset spring 29 is connected on one side of the stop sleeve 18, and the other end of the reset spring 29 is in contact with the return plate 21.

[0038] A plurality of through holes 30 are arranged on the movable plate 9.

[0039] A rubber strip 31 is fixedly arranged on one side of the connecting pipe 8, and a recess 32 is correspondingly arranged on the inner side of the rotating sleeve 7, and the recess 32 is matched with the rubber strip 31.

[0040] More specifically, when the flow rate of the cooling liquid needs to be adjusted according to the use or environmental conditions, first rotate the return block 16, the return block 16 will drive the return hole 17 and the return groove 15 to rotate through the return plate 21, and the return block 16 will cooperate with the connecting block 13 to press the return spring 14, when the return spring 14 is pressed to the limit, the return hole 17 is just rotated to the position concentric with the reset rod 19 and the return rod 20, then push the stop sleeve 18, so that the stop sleeve 18 drives the guide block 26 to slide along the guide groove 27, and the stop sleeve 18 will drive the return rod 20 to gradually penetrate into the return hole 17 through the reset rod 19, at the same time, the stop sleeve 18 will cooperate with the return plate 21 to press the reset spring 29, when the reset spring 29 is pressed to the limit, the return rod 20 just penetrates through the return hole 17 completely and moves to the other side of the return plate 21, then release the return block 16, the return spring 14 will push the return block 16 to rotate reversely, then the return block 16 will drive the return hole 17 and the return groove 15 to rotate reversely through the return plate 21, then the reset rod 19 will enter into the return groove 15, then the return rod 20 and the reset rod 19 cooperate to limit the stop sleeve 18 to one side of the return plate 21, at this time, rotate the rotating sleeve 7, the rotating sleeve 7 will drive the plurality of stop rods 24 installed on the side wall to move, then the inner wall of the stop groove 25 presses one end of the stop rod 24, since the edge of the inner wall of the stop groove 25 and the end of the stop rod 24 are both treated with round corners, then one end of the stop rod 24 slides out of the stop groove 25, and the other end of the stop rod 24 drives the movable spring 28 to stretch, at the same time, the rotating sleeve 7 will drive the movable plate 9 to move through the rotating shaft 12, so that the movable plate 9 drives the through hole 30 to move, then the other side of the movable plate 9 will drive the adaptive shaft 10 to slide along the adaptive groove 11, so that the movable plate 9 drives the through hole 30 to move outward along the adaptive groove 11 with the rotating shaft 12 as the center, so that the flow area of the corresponding position in the rotating sleeve 7 becomes larger, and the flow rate of the cooling liquid is improved, when the flow rate of the cooling liquid needs to be reduced, rotate the rotating sleeve 7 reversely, after the flow rate is adjusted appropriately, stop rotating the rotating sleeve 7, and make the movable spring 28 drive the stop rod 24 to reset, then one end of the stop rod 24 slides into the corresponding stop groove 25, then rotate the return block 16 again, so that the return block 16 again cooperates with the connecting block 13 to press the return spring 14, and the return block 16 again drives the return plate 21 to rotate, so that the return plate 21 drives the return hole 17 and the return groove 15 to rotate, when the return hole 17 rotates again to the position concentric with the reset rod 19 and the return rod 20, the reset spring 29 pushes the stop sleeve 18 to drive the guide block 26 to slide along the guide groove 27 to reset, then the stop sleeve 18 drives the reset rod 19 and the return rod 20 to slide to reset, when the reset spring 29 is completely reset, release the return block 16, the return spring 14 pushes the return block 16 to rotate to reset, then the return block 16 drives the return plate 21 to reset, then the return plate 21 drives the return hole 17 and the return groove 15 to reset and rotate to the position not corresponding to the reset rod 19 and the return rod 20, then the reset rod 19 and the return rod 20 cooperate with the return plate 21 to support the stop sleeve 18,The limiting of the guide block 26 and the guide groove 27 makes the stop sleeve 18 unable to move, and then the inner wall of the stop sleeve 18 limits the outer end of the stop rod 24, and then the stop rod 24 and the stop groove 25 cooperate to limit the rotating sleeve 7, so that the rotating sleeve 7 cannot move, thereby guaranteeing the stability of the structure after the flow rate is adjusted, and thereby guaranteeing the normal use of the equipment.

[0041] In summary, when the LED lamp needs to be cooled, first, the flow rate of the cooling liquid is adjusted according to the actual situation, then the cooler 3 is opened, so that the cooler 3 cools part of the cooling liquid stored inside, then the cooler 3 delivers the cooling liquid to the liquid inlet pipe 4 through the built-in delivery pump, then through the connecting pipe 8 to the liquid cooling pipe 6, then the temperature of the cooling liquid is transferred to the heat conduction plate 23, and the temperature of the lamp 22 is transferred to the heat conduction plate 23, the heat transfer area is increased, so that the lamp 22 is cooled, and the temperature of the cooling liquid is increased after heat exchange, then the cooling liquid is delivered to the cooler 3 through the liquid outlet pipe 5 connected to the output end of the liquid cooling pipe 6 for recooling and recycling, thereby realizing uniform and rapid cooling of the LED lamp.

[0042] When it is needed to adjust the flow rate of the cooling liquid according to the use or environmental conditions, first rotate the return block 16, the return block 16 will drive the return hole 17 and the return groove 15 to rotate through the return plate 21, and the return block 16 will cooperate with the connecting block 13 to press the return spring 14, when the return spring 14 is pressed to the limit, the return hole 17 is just rotated to the position concentric with the reset rod 19 and the return rod 20, then push the stop sleeve 18, so that the stop sleeve 18 drives the guide block 26 to slide along the guide groove 27, and the stop sleeve 18 will drive the return rod 20 to gradually penetrate into the return hole 17 through the reset rod 19, at the same time, the stop sleeve 18 will cooperate with the return plate 21 to press the reset spring 29, when the reset spring 29 is pressed to the limit, the return rod 20 just penetrates through the return hole 17 completely and moves to the other side of the return plate 21, then release the return block 16, the return spring 14 will push the return block 16 to rotate reversely, then the return block 16 will drive the return hole 17 and the return groove 15 to rotate reversely through the return plate 21, then the reset rod 19 will enter into the return groove 15, then the return rod 20 and the reset rod 19 cooperate to limit the stop sleeve 18 to one side of the return plate 21, at this time, rotate the rotating sleeve 7, the rotating sleeve 7 will drive the plurality of stop rods 24 installed on the side wall to move, then the inner wall of the stop groove 25 presses one end of the stop rod 24, since the edge of the inner wall of the stop groove 25 and the end of the stop rod 24 are both treated with round corners, then one end of the stop rod 24 slides out of the stop groove 25, and the other end of the stop rod 24 drives the movable spring 28 to stretch, at the same time, the rotating sleeve 7 will drive the movable plate 9 to move through the rotating shaft 12, so that the movable plate 9 drives the through hole 30 to move, then the other side of the movable plate 9 will drive the adaptive shaft 10 to slide along the adaptive groove 11, so that the movable plate 9 drives the through hole 30 to move outward along the adaptive groove 11 with the rotating shaft 12 as the center, so that the flow area of the corresponding position in the rotating sleeve 7 becomes larger, and the flow rate of the cooling liquid is improved, when it is needed to reduce the cooling liquid conveying speed, rotate the rotating sleeve 7 reversely, after the flow rate is adjusted appropriately, stop rotating the rotating sleeve 7, and make the movable spring 28 drive the stop rod 24 to reset, then one end of the stop rod 24 slides into the corresponding stop groove 25, then rotate the return block 16 again, so that the return block 16 again cooperates with the connecting block 13 to press the return spring 14, and the return block 16 again drives the return plate 21 to rotate, so that the return plate 21 drives the return hole 17 and the return groove 15 to rotate, when the return hole 17 rotates again to the position concentric with the reset rod 19 and the return rod 20, the reset spring 29 pushes the stop sleeve 18 to drive the guide block 26 to slide along the guide groove 27 to reset, then the stop sleeve 18 drives the reset rod 19 and the return rod 20 to slide to reset, when the reset spring 29 is completely reset, release the return block 16, the return spring 14 pushes the return block 16 to rotate to reset, then the return block 16 drives the return plate 21 to reset, then the return plate 21 drives the return hole 17 and the return groove 15 to reset and rotate to the position not corresponding to the reset rod 19 and the return rod 20, then the reset rod 19 and the return rod 20 cooperate with the return plate 21 to support the stop sleeve 18,The limiting of the guide block 26 and the guide groove 27 makes the stop sleeve 18 unable to move, then the inner wall of the stop sleeve 18 limits the outer end of the stop rod 24, then the stop rod 24 and the stop groove 25 cooperate to limit the rotating sleeve 7, so that the rotating sleeve 7 cannot move, and the structural stability after the flow rate is adjusted is guaranteed, thereby guaranteeing the normal use of the equipment.

[0043] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one here. In the above, whenever it involves fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation structure of an LED lamp, comprising a lamp box (1), characterized in that: The lamp box (1) is provided with a back plate (2) on one side, and a heat dissipation device is mounted on one side of the back plate (2), wherein the heat dissipation device comprises a cooler (3), an inlet pipe (4), an outlet pipe (5) and a liquid cooling pipe (6), the input end of the cooler (3) is connected through the outlet pipe (5) and the liquid cooling pipe (6), the inlet pipe (4) is connected at the output end of the cooler (3), and the other end of the inlet pipe (4) is connected with an adjusting device, wherein the adjusting device comprises a rotating sleeve (7), a connecting pipe (8), a movable plate (9), an adapting shaft (10), an adapting groove (11) and a rotating shaft (12), one side of the movable plate (9) is slidably connected with the adapting groove (11) through the adapting shaft (10), the other side is rotatably connected with the rotating sleeve (7) through the rotating shaft (12), the adapting groove (11) is formed on one side of the connecting pipe (8), a limiting mechanism is arranged on the outside of the inlet pipe (4), and the limiting mechanism comprises a connecting block (13), a return spring (14), a return groove (15), a return block (16), a return hole (17), a stop sleeve (18), a reset rod (19), a return rod (20) and a return plate (21), the return spring (14) is connected with the connecting block (13) and the return block (16), the return groove (15) is formed on the return plate (21), the return hole (17) is formed on the return plate (21), and the return rod (20) is connected with the stop sleeve (18) through the reset rod (19).

2. The heat dissipation structure of the LED lamp according to claim 1, characterized in that: A lamp (22) is detachably arranged in the lamp box (1), and a heat conduction plate (23) is detachably arranged on the back side of the lamp (22), wherein the heat conduction plate (23) is in contact with the liquid cooling pipe (6).

3. The heat dissipation structure of LED lamp according to any one of claims 1 and 2, characterized in that: A plurality of stop rods (24) are slidably arranged on the side wall of the rotating sleeve (7), a plurality of stop grooves (25) are formed on the outer wall of the inlet pipe (4), and the inner ends of the stop rods (24) are inserted into the stop grooves (25).

4. The heat dissipation structure of the LED lamp according to claim 3, characterized in that: A guide block (26) is fixedly arranged on the inner wall of the stop sleeve (18), a guide groove (27) is formed on the outside of the inlet pipe (4), and the guide block (26) is slidably arranged in the guide groove (27).

5. The heat dissipation structure of an LED lamp according to claim 4, characterized in that: An elastic spring (28) is arranged on the outside of the rotating sleeve (7), and the outer ends of the stop rods (24) are connected with the outer wall of the rotating sleeve (7) through the elastic spring (28).

6. The heat dissipation structure of an LED lamp according to claim 5, characterized in that: A reset spring (29) is sleeved on the outside of the reset rod (19) and the return rod (20), one side of the reset spring (29) is connected with the stop sleeve (18), and the other end of the reset spring (29) is in contact with the return plate (21).

7. The heat dissipation structure of an LED lamp according to claim 1, characterized in that: A plurality of through holes (30) are formed on the movable plate (9).

8. The heat dissipation structure of an LED lamp according to claim 7, characterized in that: A rubber strip (31) is fixedly arranged on one side of the connecting pipe (8), a recess (32) is formed on the inside of the rotating sleeve (7), and the recess (32) is matched with the rubber strip (31).

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