A high-power projector heat dissipation device

Abstract

The utility model discloses a high -power projecting lamp heat abstractor belongs to heat abstractor technical field, including projecting lamp shell, heat abstractor and heat dissipation fin, and heat abstractor is installed on the surface of projecting lamp shell with a plurality of groups heat dissipation fin, and the surface welding of heat abstractor has a plurality of groups heat dissipation fin, and the fixed seat that is attached on the surface of heat abstractor is established between a plurality of groups heat dissipation fin, and the fixed seat both sides end portion is fixedly connected with connecting rod and sleeve respectively, the connecting rod end fixedly connected with pull rod, the sleeve middle part all has the pivot that penetrates, and the pivot both sides end portion fixedly connected with fixed block, convenient operator carries out the cleaning to the dust that is attached on the surface of heat dissipation fin, avoids the dust attachment and accumulation on the surface of heat dissipation fin and leads to the poor heat dissipation effect, improves the heat dissipation efficiency, and convenient operator carries out the replacement to fixed piece and cleaning block, and convenient operator carries out the replacement to the cleaning block after being dirty, improves the use of operator.

Description

Technical Field

[0001] This utility model belongs to the technical field of heat dissipation devices, and in particular relates to a heat dissipation device for a high-power floodlight. Background Technology

[0002] High-power floodlights are outdoor lighting devices that use high-power LEDs as the light source, typically with a power of 30W or more. Through precise optical design, they direct light onto the target area to achieve high brightness and large-area lighting effects. When working, the photoelectric conversion efficiency of LED light source is only about 15% to 30%, and the rest of the energy is converted into heat. If the heat cannot be dissipated in time, the junction temperature of the LED chip will rise, which may lead to faster light decay of the LED light source. If the temperature is too high, the chip may be permanently damaged, which will seriously affect the life of the lamp. In existing high-power floodlights, some high-power floodlights passively dissipate heat through heat dissipation fins. The heat generated by the LED power supply is conducted to the lamp body housing, and then dissipated through the heat dissipation fins set around the housing. When renovating the interior of a large building, operators may use high-power floodlights for lighting. This involves placing the floodlight, mounted on a support frame, on the ground and then turning it on. However, during interior renovations, operators may need to demolish walls and create grooves, which can generate a lot of dust. This dust may adhere to the heat sink fins, reducing their effectiveness and consequently reducing the heat dissipation of the high-power floodlights. Therefore, we propose a heat dissipation device for high-power floodlights. Utility Model Content

[0003] In order to solve the technical problems existing in the prior art, the present invention provides a heat dissipation device for a high-power floodlight.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a high-power floodlight heat dissipation device, comprising a floodlight housing, a heat dissipation housing, and heat dissipation fins. The heat dissipation housing is threaded onto the surface of the floodlight housing, and several sets of heat dissipation fins are welded onto the surface of the heat dissipation housing. A fixing seat is provided between the several sets of heat dissipation fins and is attached to the surface of the heat dissipation housing. A connecting rod and a rotating sleeve are fixedly connected to the two ends of the fixing seat, respectively. A pull rod is fixedly connected to the end of the connecting rod. A rotating shaft passes through the middle of each rotating sleeve, and fixing blocks are fixedly connected to the two ends of the rotating shaft. The fixing blocks are fixedly connected to the floodlight housing. A fixing member is provided in the middle of the fixing seat, and fixing plates are connected to both sides of the fixing seat through the fixing member. Cleaning blocks are fixedly connected to the surface of each fixing plate, and the cleaning blocks are attached to the surface of the heat dissipation fins.

[0005] Furthermore, the fixing component includes a pull plate, on both sides of which a fixing plate is symmetrically and rotatably connected. Each fixing plate has a number of positioning pins fixedly connected to its surface. Each positioning pin has a spring groove fixedly connected to the fixing seat in its middle. Each positioning pin has a spring wound around its surface, which abuts against the inner wall of the spring groove and the positioning pin respectively. The end of each positioning pin passes through one side of the positioning groove in the middle of the fixing seat and a positioning block inserted into the positioning groove. Each positioning pin end has a slot opened on the inner wall of the positioning groove. The positioning block is fixed to the surface of the fixing plate.

[0006] Furthermore, symmetrical slots are provided on both ends of the pull plate, and a rotating block is embedded in the middle of each slot.

[0007] Furthermore, the two sides of the rotating groove are symmetrically provided with abutment blocks fixedly connected to the pull plate, and the surface of each abutment block is fitted with an abutment groove opened on the fixed plate.

[0008] Furthermore, all the positioning grooves are configured as waist-shaped grooves, and all the positioning blocks are configured as waist-shaped blocks, with the surface diameter of the waist-shaped block matching the inner wall diameter of the waist-shaped groove in the positioning groove.

[0009] Furthermore, the cross-section of the rotating shaft is set in a stepped shape, and the depth of the stepped shape of the cross-section of the rotating shaft matches the wall thickness of the rotating sleeve.

[0010] Furthermore, a support plate is fitted onto the surface of the rotating sleeve and the rotating shaft, and the support plate is fixedly connected to the housing of the projection lamp.

[0011] The beneficial effects of this utility model are: 1. This high-power floodlight heat dissipation device is equipped with a fixed base, a fixed plate, a cleaning block, a rotating sleeve, and a rotating shaft. When the operator pushes the fixed base, the fixed base drives the rotating sleeve to rotate on the surface of the rotating shaft. This causes the fixed base to move the cleaning block through the fixed plate. The cleaning block cleans the dust on the surface of the heat dissipation fins, making it convenient for the operator to clean the dust adhering to the surface of the heat dissipation fins. This prevents dust from accumulating on the surface of the heat dissipation fins, which would lead to poor heat dissipation and improve heat dissipation efficiency.

[0012] 2. This high-power floodlight heat dissipation device is equipped with a positioning block, a positioning groove, a fixing plate, and a positioning pin. When the operator pulls the pull plate, the pull plate moves the fixing plate, which in turn moves the positioning pin. Once the positioning pin is no longer fixed to the positioning groove and the positioning block, the operator can pull the fixing plate, which moves the positioning block out of the positioning groove. This allows the operator to easily replace the fixing plate and the cleaning block, and also facilitates the replacement of the cleaning block when it becomes dirty, thus improving the usability for the operator. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the exploded three-dimensional structure of this utility model; Figure 3 This is an exploded three-dimensional structural diagram of the fixing base, fixing plate, and cleaning block of this utility model; Figure 4 This is a cross-sectional three-dimensional structural diagram of the positioning groove and positioning block of this utility model; Figure 5 This is a cross-sectional three-dimensional structural diagram of the fixing base of this utility model; Figure 6 This is a cross-sectional three-dimensional structural diagram of the fixing plate and the pull plate of this utility model.

[0014] In the picture: 1. Projector housing; 2. Heat sink housing; 3. Heat sink fins; 4. Positioning groove; 5. Spring; 6. Slot; 7. Connecting rod; 8. Pull rod; 9. Fixing plate; 10. Pull plate; 11. Fixing base; 12. Fixing piece; 13. Cleaning block; 14. Fixing block; 15. Rotating shaft; 16. Support plate; 17. Rotating sleeve; 18. Positioning pin; 19. Positioning block; 20. Spring groove; 21. Rotating groove; 22. Abutment block; 23. Rotating block; 24. Abutment groove. Detailed Implementation

[0015] To further understand the utility model's content, features, and effects, the following embodiments are provided, along with detailed descriptions in conjunction with the accompanying drawings.

[0016] Example: Please see Figure 1 - Figure 6A high-power floodlight heat dissipation device includes a floodlight housing 1, a heat dissipation housing 2, and heat dissipation fins 3. The heat dissipation housing 2 is threaded onto the surface of the floodlight housing 1, and several sets of heat dissipation fins 3 are welded to the surface of the heat dissipation housing 2. Fixing seats 11 are provided between the several sets of heat dissipation fins 3 and are attached to the surface of the heat dissipation housing 2. Connecting rods 7 and rotating sleeves 17 are respectively heat-fused to the two ends of the fixing seats 11. Pull rods 8 are heat-fused to the ends of the connecting rods 7. Rotating shafts 15 pass through the middle of the rotating sleeves 17, and fixing blocks 14 are welded to the two ends of the rotating shafts 15 and are welded to the floodlight housing 1. Fixing blocks 14 are welded to the floodlight housing 1. Fixing components are provided in the middle of the fixing seats 11, and fixing plates 12 are connected to the two sides of the fixing seats 11 through the fixing components. Cleaning blocks 13 are glued to the surface of the fixing plates 12, and the cleaning blocks 13 are attached to the surface of the heat dissipation housing 1. The surfaces of the heat sink fins 3 are in contact with each other. When the operator needs to clean the surface of the heat sink fins 3, the operator pulls the lever 8. The lever 8 drives several sets of connecting rods 7 to move. When the connecting rods 7 move, they drive the fixed seat 11 to move. The fixed seat 11 drives the rotating sleeve 17 to move. The rotating sleeve 17 rotates on the surface of the rotating shaft 15 through a circular through hole opened on one side by the spring 5, causing the fixed seat 11 to rotate in a circle. When the fixed seat 11 rotates in a circle, it drives the positioning block 19 to move through the positioning groove 4. The positioning block 19 drives the cleaning block 13 to move through the fixing plate 12, so that the cleaning block 13 cleans the dust attached to the surface of the heat sink fins 3, preventing dust from adhering to the surface of the heat sink fins 3 and causing the heat dissipation effect of the heat sink fins 3 to deteriorate, thus increasing the usability of the heat sink fins 3.

[0017] In this technical solution, since the projection lamp housing 1, fixing block 14, rotating shaft 15 and support plate 16 are made of metal, and the projection lamp housing 1, fixing block 14 and rotating shaft 15 are connected to each other, and the support plate 16 is connected to the projection lamp housing 1, the fixed connection between the projection lamp housing 1, fixing block 14, rotating shaft 15 and support plate 16 is welding. The cleaning block 13 is made of foam cotton, and the fixing plate 12 is made of plastic. The fixing plate 12 and the cleaning block 13 are fixedly connected by adhesive. The cleaning block 13 is glued to the surface of the fixing plate 12. Except for the projection lamp housing 1, cleaning block 13, fixing block 14, rotating shaft 15 and support plate 16, the other parts are made of plastic and are fixedly connected by hot melt bonding.

[0018] In this technical solution, the fixing component includes a pull plate 10, with fixing plates 9 symmetrically rotatably connected to both sides of the pull plate 10. Several sets of positioning pins 18 are heat-fused to the surface of each fixing plate 9. Each positioning pin 18 has a spring groove 20 heat-fused to the center of the fixing seat 11. Springs 5, respectively abutting the inner wall of the spring groove 20 and the positioning pin 18, are wound around the surface of each positioning pin 18. The ends of the positioning pins 18 pass sequentially through one side of the positioning groove 4 in the middle of the fixing seat 11 and into the positioning block 19 inserted into the positioning groove 4. Each end of the positioning pin 18 has a slot 6 opened on the inner wall of the positioning groove 4. The positioning block 19 is heat-fused to the surface of the fixing piece 12. When the operator needs to replace the fixing piece 12 with the cleaning block 13 installed, the operator pushes the pull plate 10. The pull plate 10 then moves between the two sets of fixing plates... Rotate between 9 to increase the space on both sides of the pull plate 10. Then, the operator pulls the pull plate 10, which moves the fixed plate 9. The fixed plate 9 pulls the positioning pin 18 vertically within the spring groove 20. When the positioning pin 18 moves vertically within the spring groove 20, it compresses the spring 5, causing the spring 5 to undergo elastic deformation. The positioning pin 18 then moves out of the circular through hole on one side of the positioning block 19 through which the positioning pin 18 passes. The positioning pin 18 also moves out of the slot 6. After the positioning pin 18 no longer fixes the positioning groove 4 and the positioning block 19, the operator pulls the fixing plate 12. The fixing plate 12 moves the positioning block 19 out of the positioning groove 4, causing the fixing plate 12 to separate the cleaning block 13 from the fixing seat 11, making it convenient for the operator to replace the dirty cleaning block 13.

[0019] In this technical solution, rotating grooves 21 are symmetrically provided on both ends of the pull plate 10, and rotating blocks 23 are embedded in the middle of each rotating groove 21. Abutment blocks 22, heat-melted and bonded to the pull plate 10, are symmetrically arranged on both sides of the rotating groove 21, and abutment grooves 24, which are formed on the fixing plate 9, are fitted onto the surface of each abutment block 22. When the operator needs to pull the positioning pin 18 to move, the operator first pushes the pull plate 10, causing the rotating grooves 21 on both sides to rotate. This causes the rotating grooves 21, which are set as disc-shaped grooves, to rotate on the surface of the disc-shaped rotating blocks 23. The pull plate 10 rotates between the two sets of fixing plates 9, and the pull... When the plate 10 rotates in a circular motion, the pull plate 10 drives the semi-circular abutment block 22 to move within the semi-circular groove abutment groove 24. When the abutment block 22 moves, its surface abuts against the inner wall of the groove 24, causing the inner wall of the groove 24 to press against the abutment block 22 and move the abutment block 22 out of the groove 24. After the pull plate 10 rotates in a circular motion, the space on both sides of the pull plate 10 becomes larger, making it easier for the operator to pull the pull plate 10. The operator can then use the pull plate 10 to drive the rotating groove 21 to move the rotating block 23, which in turn drives the fixed plate 9 to move, causing the fixed plate 9 to pull the positioning pin 18 to move. Furthermore, when the operator rotates the pull plate 10 again to make the pull plate 10 parallel to the two sets of fixed plates 9, the abutment block 22 is inserted into the abutment groove 24, so that the abutment block 22 and the abutment groove 24 increase the resistance between the pull plate 10 and the fixed plate 9, preventing the pull plate 10 from rotating arbitrarily between the two sets of fixed plates 9.

[0020] In this technical solution, all positioning grooves 4 are set as waist-shaped grooves, and all positioning blocks 19 are set as waist-shaped blocks. The diameter of the surface of the waist-shaped block 19 matches the diameter of the inner wall of the waist-shaped groove 4. By matching the diameter of the inner wall of the waist-shaped groove 4 with the diameter of the surface of the waist-shaped block 19, the surface of the positioning block 19 fits against the inner wall of the positioning groove 4 after it is inserted into the positioning groove 4. This increases the stability of the positioning block 19 when inserted into the positioning groove 4 and prevents the positioning block 19 from shaking in the positioning groove 4, which would cause the fixing plate 12 to drive the cleaning block 13 to shake on the surface of the fixing seat 11. This increases the stability of the fixing plate 12 driving the cleaning block 13 to be installed on the fixing seat 11.

[0021] In this technical solution, the cross-section of the rotating shaft 15 is set in a stepped shape, and the depth of the stepped shape of the cross-section of the rotating shaft 15 matches the wall thickness of the rotating sleeve 17. By setting the cross-section of the rotating shaft 15 in a stepped shape, the stepped shape of the cross-section of the rotating shaft 15 restricts both sides of the rotating sleeve 17, preventing the rotating sleeve 17 from sliding freely on the surface of the rotating shaft 15 during the process of the fixed seat 11 driving the rotating sleeve 17. This would cause the fixed seat 11 to drive the cleaning block 13 to slide freely horizontally through the fixed plate 12, making it impossible for the fixed seat 11 to accurately drive the cleaning block 13 to move between the two sets of heat dissipation fins 3, thus improving the convenience of operation for the user.

[0022] In this technical solution, a support plate 16 is fitted onto the rotating sleeve 17 and the rotating shaft 15, and the support plate 16 is welded onto the projection lamp housing 1. By fitting the support plate 16, which is fixed to the projection lamp housing 1, onto the surface of the rotating sleeve 17 and the rotating shaft 15, the support plate 16 supports and moves the rotating sleeve 17 after it rotates on the surface of the rotating shaft 15. This prevents the fixed seat 11 from being unable to provide support after it drives the rotating sleeve 17 to rotate on the surface of the rotating shaft 15.

[0023] Working principle: When in use, the operator places the projector housing 1 on the ground, then holds the pull rod 8 and pulls it. The pull rod 8 moves several sets of connecting rods 7, which in turn move the fixed base 11. The fixed base 11 then moves the rotating sleeve 17, causing the rotating sleeve 17 to rotate on the surface of the rotating shaft 15. This causes the fixed base 11 to move the positioning block 19 through the positioning groove 4. The positioning block 19 then moves the cleaning block 13 through the fixing plate 12, thus moving the fixed base 11 and the fixing plate 13. 2. The cleaning block 13 is removed from the heat dissipation fins 3, and the heat dissipation fins 3 are opened. This prevents the fixed seat 11, fixed plate 12 and cleaning block 13 placed between several sets of heat dissipation fins 3 from affecting the heat dissipation of the heat dissipation fins 3 when the projection lamp housing 1 is in use. The operator pulls the fixed plate 9, and the fixed plate 9 drives the fixed seat 11 to move through the connecting rod 7. The fixed seat 11 drives the cleaning block 13 to move through the fixed plate 12, so that the cleaning block 13 wipes the surface of the heat dissipation fins 3. First, the dust attached to the surface of the heat dissipation fins 3 is wiped away. When the projector housing 1 is in use, the operator holds the pull rod 8 and pushes it. The pull rod 8 moves the fixed seat 11 through the connecting rod 7. The fixed seat 11 drives the rotating sleeve 17 to rotate again on the rotating shaft 15. The fixed seat 11 moves the cleaning block 13 through the fixed plate 12. The cleaning block 13 is moved between several sets of heat dissipation fins 3, so that the cleaning block 13 can clean the dust attached to the surface of the heat dissipation fins 3. This makes it easier to clean the dust attached to the surface of the heat dissipation fins 3 and improves the heat dissipation efficiency of the heat dissipation fins 3. However, when the operator needs to replace the cleaning block 13, the operator pulls and pushes the pull plate 10. The pull plate 10 causes the rotating groove 21 to rotate on the surface of the rotating block 23, so that the pull plate 10 rotates between the two sets of fixed plates 9, and the pull plate 10 is vertically positioned between the two sets of fixed plates 9, thereby increasing the space for the operator's hand to hold on the surface of the pull plate 10. Then the operator pulls the pull plate 10, and the pull plate 10 raises the rotating groove 21, causing the rotating block 23 to move. The rotating block 23 causes the fixed plate 9 to move, so that the fixed plate 9 pulls the positioning pin 18 to move vertically in the spring groove 20, and the positioning pin 18 moves in the spring groove 20. When the vertical movement is completed, the spring groove 20 compresses the spring 5, causing the spring 5 to undergo elastic deformation. As the positioning pin 18 moves, it moves out of the slot 6 and the positioning block 19. After the positioning pin 18 no longer fixes the positioning block 19 and the positioning groove 4, the operator pulls the cleaning block 13. The cleaning block 13 drives the fixing piece 12 to move, causing the fixing piece 12 to drive the positioning block 19 out of the positioning groove 4. This makes it convenient for the operator to separate the fixing piece 12 with the cleaning block 13 installed from the surface of the fixing seat 11, making it easier for the operator to replace the cleaning block 13 and improving the convenience of replacing the cleaning block 13.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-power floodlight heat dissipation device, comprising a floodlight housing (1), a heat dissipation housing (2), and heat dissipation fins (3), wherein the heat dissipation housing (2) is threadedly mounted on the surface of the floodlight housing (1), and a plurality of sets of heat dissipation fins (3) are welded to the surface of the heat dissipation housing (2), characterized in that: A fixing seat (11) is provided between several sets of heat dissipation fins (3) and is attached to the surface of the heat dissipation shell (2). A connecting rod (7) and a rotating sleeve (17) are fixedly connected to the two ends of the fixing seat (11). A pull rod (8) is fixedly connected to the end of the connecting rod (7). A rotating shaft (15) passes through the middle of the rotating sleeve (17). A fixing block (14) is fixedly connected to the two ends of the rotating shaft (15). The fixing block (14) is fixedly connected to the projection lamp shell (1). A fixing component is provided in the middle of the fixing seat (11). Fixing pieces (12) are connected to both sides of the fixing seat (11) through the fixing component. A cleaning block (13) is fixedly connected to the surface of the fixing piece (12). The cleaning block (13) is attached to the surface of the heat dissipation fins (3).

2. The heat dissipation device for a high-power floodlight according to claim 1, characterized in that: The fixing component includes a pull plate (10), and a fixing plate (9) is symmetrically and rotatably connected to both sides of the pull plate (10). Several sets of positioning pins (18) are fixedly connected to the surface of the fixing plate (9). The middle part of the positioning pin (18) is fitted with a spring groove (20) fixedly connected to the fixing seat (11). The surface of the positioning pin (18) is wound with springs (5) that abut against the inner wall of the spring groove (20) and the positioning pin (18). The end of the positioning pin (18) passes through the positioning groove (4) in the middle of the fixing seat (11) and the positioning block (19) inserted in the positioning groove (4). The end of the positioning pin (18) is fitted with a slot (6) in the inner wall of the positioning groove (4). The positioning block (19) is fixed to the surface of the fixing piece (12).

3. The heat dissipation device for a high-power floodlight according to claim 2, characterized in that: The pull plate (10) has symmetrical slots (21) on both sides, and a rotating block (23) is embedded in the middle of each slot (21).

4. A high-power floodlight heat dissipation device according to claim 3, characterized in that: The rotating groove (21) has symmetrically arranged abutment blocks (22) fixedly connected to the pull plate (10) on both sides, and the surface of the abutment blocks (22) is fitted with abutment grooves (24) opened on the fixed plate (9).

5. A high-power floodlight heat dissipation device according to claim 2, characterized in that: The positioning grooves (4) are all set as waist-shaped grooves, and the positioning blocks (19) are all set as waist-shaped blocks. The diameter of the surface of the waist-shaped block (19) matches the diameter of the inner wall of the waist-shaped groove (4).

6. The heat dissipation device for a high-power floodlight according to claim 1, characterized in that: The cross-section of the rotating shaft (15) is set in a stepped shape, and the depth of the stepped shape of the cross-section of the rotating shaft (15) matches the wall thickness of the rotating sleeve (17).

7. A high-power floodlight heat dissipation device according to claim 1, characterized in that: The rotating sleeve (17) and the rotating shaft (15) are fitted with a support plate (16), and the support plate (16) is fixedly connected to the projection lamp housing (1).

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